Merge pull request #72 from gitlost/UserVariables

User variables (includes original UserVariables branch and gitlost's mods)

.gitignore

@@ -34,3 +34,6 @@ core
 *.sav*
 .directory
 TEST-DATA
+SAV*
+OLD*
+

backends/barcode/Backends.cpp

@@ -205,7 +205,7 @@ namespace glabels
 			glbarcode::Factory::registerType( "zint::kix",       Zint::Kix::create );
 			glbarcode::Factory::registerType( "zint::ean",       Zint::Ean::create );
 			glbarcode::Factory::registerType( "zint::gmtx",      Zint::Gmtx::create );
-			glbarcode::Factory::registerType( "zint::gs1128",    Zint::Gs1128::create );
+			glbarcode::Factory::registerType( "zint::gs1-128",   Zint::Gs1128::create );
 			glbarcode::Factory::registerType( "zint::rss14",     Zint::Rss14::create );
 			glbarcode::Factory::registerType( "zint::rssltd",    Zint::Rssltd::create );
 			glbarcode::Factory::registerType( "zint::rssexp",    Zint::Rssexp::create );

docs/SUBSTITUTION-FIELD-SPEC.md

@@ -17,6 +17,28 @@ modifiers          = modifier [ ":" modifiers ] ;
 modifier           = format-modifier | default-value-modifier | new-line-modifier;
 ```
 
+
+Field Names
+-----------
+Field names can refer to either [Document Merge Fields](#document-merge-fields) or [User Variables](#user-variables).  If a document merge field and a user variable share the same name, the document merge field takes precidence.  Its syntax is simply:
+
+```ebnf
+field-name = merge-field-name | user-variable-name ;
+```
+
+### Document Merge Fields
+Document merge fields are the primary source of substitution fields.  A document merge field represents a field from an external data source, such as a CSV file.  The valid syntax for a document merge field name is determined by the merge source, with the following exception.  Merge field names cannot contain either a colon (":") or closing curly bracket ("}").
+
+### User Variables
+Substitution fields can also refer to user variables.  The syntax for valid user variable names is
+
+```ebnf
+letter = "a" | "b" | ... | "z" | "A" | ... | "Z";
+digit = "0" | "1" | "2" | ... | "9";
+user-variable-name = ( letter | "_" ) , { letter | digit | "_" } ;
+```
+
+
 Modifiers
 ---------
 ### Format-Modifier (`%`)
@@ -89,20 +111,3 @@ ${CITY} ${STATE} ${ZIP}
 `${ADDR2}` would be printed on its own line, only if it is set and non-empty.
 
 
-Document Merge Fields
----------------------
-Document merge fields are the primary source of substitution fields.  A document merge field represents a field from an external data source, such as a CSV file.
-
-User Defined Variables
-----------------------
-Alternatively, merge fields can refer to user defined variables.
-
-Built-In Variables
-------------------
-Potentially, merge fields may also refer to built-in variables.  Candidates include:
- - LABEL_NUMBER
- - PAGE_NUMBER
- - DATE
- - TIME
- - FILE_NAME
-

docs/TODO.md

@@ -29,3 +29,15 @@ Add support for "Continuous Roll" labels
 
 Write help documentation
 ------------------------
+
+
+To Do List for gLabels 4.1 -- 2019-03-17
+========================================
+
+Create a "built-in" merge source
+--------------------------------
+As an alternative to external merge sources, let the user edit the merge source
+in situ.  The user can add fields.  The user can add records using those fields.
+The user created database will become part of the glabels project file.
+For simple databases, such as a small address list, this would be much easier
+to deal with than creating it externally.

glabels/CMakeLists.txt

@@ -13,9 +13,9 @@ set (glabels_sources
   ColorHistory.cpp
   ColorPaletteDialog.cpp
   ColorPaletteItem.cpp
-  ColorPaletteButtonItem.cpp
   ColorSwatch.cpp
   Cursors.cpp
+  EditVariableDialog.cpp
   FieldButton.cpp
   File.cpp
   Help.cpp
@@ -40,6 +40,7 @@ set (glabels_sources
   TemplatePicker.cpp
   TemplatePickerItem.cpp
   UndoRedoModel.cpp
+  VariablesView.cpp
 )
 
 set (glabels_qobject_headers
@@ -51,7 +52,7 @@ set (glabels_qobject_headers
   ColorHistory.h
   ColorPaletteDialog.h
   ColorPaletteItem.h
-  ColorPaletteButtonItem.h
+  EditVariableDialog.h
   FieldButton.h
   File.h
   LabelEditor.h
@@ -69,10 +70,12 @@ set (glabels_qobject_headers
   TemplateDesigner.h
   TemplatePicker.h
   UndoRedoModel.h
+  VariablesView.h
 )
 
 set (glabels_forms
   ui/AboutDialog.ui
+  ui/EditVariableDialog.ui
   ui/MergeView.ui
   ui/ObjectEditor.ui
   ui/PreferencesDialog.ui
@@ -95,6 +98,7 @@ set (glabels_forms
   ui/TemplateDesignerOneLayoutPage.ui
   ui/TemplateDesignerTwoLayoutPage.ui
   ui/TemplateDesignerApplyPage.ui
+  ui/VariablesView.ui
 )
 
 set (glabels_resource_files

glabels/ColorButton.cpp

@@ -48,8 +48,9 @@ namespace glabels
 
 
 	void ColorButton::init( const QString& defaultLabel,
-	                        const QColor& defaultColor,
-	                        const QColor&  color )
+	                        const QColor&  defaultColor,
+	                        const QColor&  color,
+	                        bool           showUseFieldButton )
 	{
 		mDefaultColor = defaultColor;
 		mColorNode = model::ColorNode( color );
@@ -61,7 +62,10 @@ namespace glabels
 		setText( "" );
 		setCheckable( true );
 
-		mDialog = new ColorPaletteDialog( defaultLabel, defaultColor, color );
+		mDialog = new ColorPaletteDialog( defaultLabel,
+		                                  defaultColor,
+		                                  color,
+		                                  showUseFieldButton );
 
 		connect( this, SIGNAL(toggled(bool)), this, SLOT(onButtonToggled(bool)) );
 		connect( mDialog, SIGNAL(colorChanged(model::ColorNode,bool)),
@@ -124,15 +128,10 @@ namespace glabels
 	}
 
 
-	void ColorButton::setKeys( const QList<QString> keyList )
+	void ColorButton::setKeys( const merge::Merge*     merge,
+	                           const model::Variables* variables )
 	{
-		mDialog->setKeys( keyList );
-	}
-
-
-	void ColorButton::clearKeys()
-	{
-		mDialog->clearKeys();
+		mDialog->setKeys( merge, variables );
 	}
 
 

glabels/ColorButton.h

@@ -58,13 +58,18 @@ namespace glabels
 		// Public Methods
 		/////////////////////////////////
 	public:
-		void   init( const QString& defaultLabel, const QColor& defaultColor, const QColor& color );
+		void   init( const QString& defaultLabel,
+		             const QColor&  defaultColor,
+		             const QColor&  color,
+		             bool           showUseFieldButton = true );
+		
 		void   setColorNode( model::ColorNode colorNode );
 		void   setColor( QColor color );
 		void   setToDefault();
 		model::ColorNode colorNode();
-		void   setKeys( const QList<QString> keyList );
-		void   clearKeys();
+
+		void setKeys( const merge::Merge*     merge,
+		              const model::Variables* variables );
 
 
 		/////////////////////////////////

glabels/ColorHistory.cpp

@@ -46,23 +46,25 @@ namespace glabels
 	}
 
 
-	void ColorHistory::addColor( const QColor &color )
+	void ColorHistory::addColor( const QColor &color, const QString& name )
 	{
-		QList<QColor> colorList = readColorList();
+		QString nameColor = name + ":" + color.name();
+
+		QStringList nameColorList = readNameColorList();
 
 		// Remove any occurrences of this color already in list
-		colorList.removeAll( color );
+		nameColorList.removeAll( nameColor );
 
 		// Now add to list
-		colorList.append( color );
+		nameColorList.append( nameColor );
 
 		// Remove oldest colors, if size exceeds current max
-		while ( colorList.size() > MAX_COLORS )
+		while ( nameColorList.size() > MAX_COLORS )
 		{
-			colorList.removeFirst();
+			nameColorList.removeFirst();
 		}
 
-		writeColorList( colorList );
+		writeNameColorList( nameColorList );
 	
 		emit changed();
 	}
@@ -70,55 +72,83 @@ namespace glabels
 
 	QList<QColor> ColorHistory::getColors()
 	{
-		return readColorList();
-	}
-
-
-	QColor ColorHistory::getColor( int id )
-	{
-		QList<QColor> colors = readColorList();
-		return colors[id];
-	}
-
-
-	QList<QColor> ColorHistory::readColorList()
-	{
-		QStringList defaultList;
-		QSettings settings;
-
-		settings.beginGroup( "ColorHistory" );
-		QStringList colorNameList = settings.value( "colors", defaultList ).toStringList();
-		settings.endGroup();
-
 		QList<QColor> colorList;
-		foreach ( QString colorName, colorNameList )
-		{
-			colorList << QColor( colorName );
-		}
 		
-		// Remove oldest colors, if size exceeds current max
-		while ( colorList.size() > MAX_COLORS )
+		for ( QString& nameColor : readNameColorList() )
 		{
-			colorList.removeFirst();
+			QStringList v = nameColor.split( ':' );
+			if ( v.size() == 2 )
+			{
+				colorList << QColor( v[1] );
+			}
+			else if ( v.size() == 1 )
+			{
+				// Old-style, no name
+				colorList << QColor( v[0] );
+			}
+			else
+			{
+				// Should not happen
+				qWarning() << "Invalid color history.";
+			}
 		}
 
 		return colorList;
 	}
 
 
-	void ColorHistory::writeColorList( const QList<QColor>& colorList )
+	QStringList ColorHistory::getNames()
 	{
-		// Build name list
-		QStringList colorNameList;
-		foreach ( QColor color, colorList )
+		QStringList nameList;
+		
+		for ( QString& nameColor : readNameColorList() )
 		{
-			colorNameList << color.name();
+			QStringList v = nameColor.split( ':' );
+			if ( v.size() == 2 )
+			{
+				nameList << v[0];
+			}
+			else if ( v.size() == 1 )
+			{
+				 // Old-style, no name
+				nameList << QString(tr("color %1")).arg( v[0] );
+			}
+			else
+			{
+				// Should not happen
+				qWarning() << "Invalid color history.";
+			}
 		}
 
+		return nameList;
+	}
+
+
+	QStringList ColorHistory::readNameColorList()
+	{
+		QStringList defaultList;
+		QSettings settings;
+
+		settings.beginGroup( "ColorHistory" );
+		QStringList nameColorList = settings.value( "colors", defaultList ).toStringList();
+		settings.endGroup();
+
+		// Remove oldest colors, if size exceeds current max
+		while ( nameColorList.size() > MAX_COLORS )
+		{
+			nameColorList.removeFirst();
+		}
+
+		return nameColorList;
+	}
+
+
+	void ColorHistory::writeNameColorList( const QStringList& nameColorList )
+	{
 		// Save
 		QSettings settings;
 		settings.beginGroup( "ColorHistory" );
-		settings.setValue( "colors", colorNameList );
+		settings.setValue( "colors", nameColorList );
 		settings.endGroup();
 	}
 

glabels/ColorHistory.h

@@ -60,17 +60,17 @@ namespace glabels
 		// Public Methods
 		/////////////////////////////////
 	public:
-		void   addColor( const QColor &color );
+		void addColor( const QColor& color, const QString& name );
 		QList<QColor> getColors();
-		QColor getColor( int id );
+		QStringList getNames();
 
 
 		/////////////////////////////////
 		// Private Methods
 		/////////////////////////////////
 	private:
-		QList<QColor> readColorList();
-		void writeColorList( const QList<QColor>& colorList );
+		QStringList readNameColorList();
+		void writeNameColorList( const QStringList& nameColorList );
 
 
 		/////////////////////////////////

glabels/ColorPaletteButtonItem.cpp

@@ -1,124 +0,0 @@
-/*  ColorPaletteButtonItem.cpp
- *
- *  Copyright (C) 2014  Jim Evins <evins@snaught.com>
- *
- *  This file is part of gLabels-qt.
- *
- *  gLabels-qt is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  gLabels-qt is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "ColorPaletteButtonItem.h"
-
-#include <QMouseEvent>
-#include <QPainter>
-
-
-namespace glabels
-{
-
-	//
-	// Private
-	//
-	namespace
-	{
-		const int     border = 4;
-		const int     hBox = 25;
-		const int     outlineWidthPixels = 1;
-	}
-
-
-	///
-	/// Constructor From Data
-	///
-	ColorPaletteButtonItem::ColorPaletteButtonItem( const QString& text, QWidget* parent )
-		: QWidget(parent), mText(text), mHover(false)
-	{
-		setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed ) );
-		setMinimumSize( hBox+2*border+1, hBox+2*border+1 );
-	}
-
-
-	///
-	/// Paint Event
-	///
-	void ColorPaletteButtonItem::paintEvent( QPaintEvent* event )
-	{
-		QPainter painter(this);
-
-		//
-		// Draw background
-		//
-		if ( isEnabled() && mHover )
-		{
-			QLinearGradient gradient( 0, 0, 0, height() );
-			gradient.setColorAt( 0, palette().color( QPalette::Highlight ).lighter() );
-			gradient.setColorAt( 1, palette().color( QPalette::Highlight ) );
-			painter.setBrush( QBrush( gradient ) );
-			
-			QPen pen( palette().color( QPalette::Text ) );
-			pen.setWidth( outlineWidthPixels );
-			painter.setPen( pen );
-
-			painter.drawRect( 0, 0, width()-1, height()-1 );
-		}
-
-		//
-		// Draw text
-		//
-		painter.setBrush( QBrush( Qt::NoBrush ) );
-
-		if ( isEnabled() && mHover )
-		{
-			painter.setPen( QPen( palette().color( QPalette::HighlightedText ) ) );
-		}
-		else
-		{
-			painter.setPen( QPen( palette().color( QPalette::Text ) ) );
-		}
-
-		QRect textRect( border, border, width()-2*border, hBox );
-
-		painter.drawText( textRect, Qt::AlignLeft|Qt::AlignVCenter, mText );
-	}
-
-
-	///
-	/// Enter Event
-	///
-	void ColorPaletteButtonItem::enterEvent( QEvent* event )
-	{
-		mHover = true;
-		update();
-	}
-
-
-	///
-	/// Leave Event
-	///
-	void ColorPaletteButtonItem::leaveEvent( QEvent* event )
-	{
-		mHover = false;
-		update();
-	}
-
-	
-	///
-	/// Mouse Press Event
-	///
-	void ColorPaletteButtonItem::mousePressEvent( QMouseEvent* event )
-	{
-		emit activated();
-	}
-
-} // namespace glabels

glabels/ColorPaletteDialog.cpp

@@ -18,14 +18,16 @@
  *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 #include "ColorPaletteDialog.h"
 
 #include <QColorDialog>
-#include <QVBoxLayout>
-#include <QHBoxLayout>
-#include <QFrame>
 #include <QGridLayout>
+#include <QGroupBox>
+#include <QHBoxLayout>
+#include <QPushButton>
 #include <QStandardItemModel>
+#include <QVBoxLayout>
 #include <QtDebug>
 
 
@@ -83,6 +85,7 @@ namespace glabels
 	ColorPaletteDialog::ColorPaletteDialog( const QString& defaultLabel,
 	                                        const QColor&  defaultColor,
 	                                        const QColor&  color,
+	                                        bool           showUseFieldButton,
 	                                        QWidget*       parent )
 		: QDialog( parent )
 	{
@@ -99,14 +102,12 @@ namespace glabels
 		vLayout->setContentsMargins( 0, 0, 0, 0 );
 		vLayout->setSpacing( 0 );
 
-		auto* defaultButton = new ColorPaletteButtonItem( defaultLabel );
-		connect( defaultButton, SIGNAL(activated()), this, SLOT(onDefaultItemActivated()) );
-		vLayout->addWidget( defaultButton );
-		
-		QFrame* hline1 = new QFrame;
-		hline1->setFrameStyle( QFrame::HLine | QFrame::Plain );
-		hline1->setLineWidth( 1 );
-		vLayout->addWidget( hline1 );
+		//
+		// Construct Standard Colors Grid
+		//
+		auto* standardColorsGroup = new QGroupBox( tr("Standard Colors") );
+		standardColorsGroup->setAlignment( Qt::AlignHCenter );
+		vLayout->addWidget( standardColorsGroup );
 
 		auto* mainPaletteLayout = new QGridLayout();
 		mainPaletteLayout->setSpacing( 0 );
@@ -119,17 +120,20 @@ namespace glabels
 				ColorPaletteItem* item = new ColorPaletteItem( i,
 				                                               QColor( mColorTable[i].colorSpec ),
 				                                               tr(mColorTable[i].trname) );
-				connect( item, SIGNAL(activated(int)), this, SLOT(onPaletteItemActivated(int)) );
+				connect( item, SIGNAL(activated(int)),
+				         this, SLOT(onPaletteItemActivated(int)) );
 
 				mainPaletteLayout->addWidget( item, iRow, iCol );
 			}
 		}
-		vLayout->addLayout( mainPaletteLayout );
+		standardColorsGroup->setLayout( mainPaletteLayout );
 
-		QFrame* hline2 = new QFrame;
-		hline2->setFrameStyle( QFrame::HLine | QFrame::Plain );
-		hline2->setLineWidth( 1 );
-		vLayout->addWidget( hline2 );
+		//
+		// Construct Recent Colors Grid
+		//
+		auto* recentColorsGroup = new QGroupBox( tr("Recent Colors") );
+		recentColorsGroup->setAlignment( Qt::AlignHCenter );
+		vLayout->addWidget( recentColorsGroup );
 
 		auto* customPaletteLayout = new QHBoxLayout();
 		customPaletteLayout->setSpacing( 0 );
@@ -137,39 +141,48 @@ namespace glabels
 		{
 			mHistoryItem[iCol] = new ColorPaletteItem( iCol, QColor(0,0,0,0), "" );
 			mHistoryItem[iCol]->setEnabled( false );
-			connect( mHistoryItem[iCol], SIGNAL(activated(int)), this, SLOT(onHistoryItemActivated(int)) );
+			connect( mHistoryItem[iCol], SIGNAL(activated(int)),
+			         this, SLOT(onHistoryItemActivated(int)) );
 
 			customPaletteLayout->addWidget( mHistoryItem[iCol] );
 		}
-		vLayout->addLayout( customPaletteLayout );
+		recentColorsGroup->setLayout( customPaletteLayout );
 
 
-		QFrame* hline3 = new QFrame;
-		hline3->setFrameStyle( QFrame::HLine | QFrame::Plain );
-		hline3->setLineWidth( 1 );
-		vLayout->addWidget( hline3 );
+		//
+		// Construct Default (e.g. "No Fill") Button
+		//
+		auto* defaultColorButton = new QPushButton( defaultLabel );
+		defaultColorButton->setAutoDefault( false );
+		defaultColorButton->setDefault( false );
+		connect( defaultColorButton, SIGNAL(clicked()), this, SLOT(onDefaultButtonClicked()) );
+		vLayout->addWidget( defaultColorButton );
 		
-		ColorPaletteButtonItem* customColorButton = new ColorPaletteButtonItem( tr("Custom color...") );
-		connect( customColorButton, SIGNAL(activated()), this, SLOT(onCustomColorItemActivated()) );
+		//
+		// Construct Custom Color Button
+		//
+		auto* customColorButton = new QPushButton( tr("Custom color...") );
+		customColorButton->setAutoDefault( false );
+		customColorButton->setDefault( false );
+		connect( customColorButton, SIGNAL(clicked()), this, SLOT(onCustomColorButtonClicked()) );
 		vLayout->addWidget( customColorButton );
 
-		QFrame* hline4 = new QFrame;
-		hline4->setFrameStyle( QFrame::HLine | QFrame::Plain );
-		hline4->setLineWidth( 1 );
-		vLayout->addWidget( hline4 );
-
-		mMergeFieldCombo = new QComboBox();
-		mMergeFieldCombo->addItem( tr("Merge key...") );
-		mMergeFieldCombo->setMinimumSize( 34, 34 );
-		mMergeFieldCombo->setFrame( false );
-		mMergeFieldCombo->setEnabled( false );
-		connect( mMergeFieldCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(onComboIndexChanged(int)) );
-		vLayout->addWidget( mMergeFieldCombo );
-
-		// Item 0 is the ComboBox title, not an item intended for selection. So disable it.
-		const auto* model = qobject_cast<const QStandardItemModel*>(mMergeFieldCombo->model());
-		QStandardItem* item = model->item(0);
-		item->setFlags( item->flags() & ~(Qt::ItemIsSelectable|Qt::ItemIsEnabled) );
+		//
+		// Construct "Use field" Button
+		//
+		if ( showUseFieldButton )
+		{
+			mFieldButton = new FieldButton();
+			mFieldButton->setText( tr("Use substitution field") );
+			mFieldButton->setAutoDefault( false );
+			mFieldButton->setDefault( false );
+			connect( mFieldButton, SIGNAL(keySelected(QString)), this, SLOT(onKeySelected(QString)) );
+			vLayout->addWidget( mFieldButton );
+		}
+		else
+		{
+			mFieldButton = nullptr;
+		}
 
 		setLayout( vLayout );
 
@@ -183,41 +196,47 @@ namespace glabels
 	}
 
 
-	void ColorPaletteDialog::setKeys( const QStringList& keyList )
+	void ColorPaletteDialog::setKeys( const merge::Merge*     merge,
+	                                  const model::Variables* variables )
 	{
-		mKeys = keyList;
-	
-		// Clear old keys, (all entries, except item 0)
-		for ( int index = mMergeFieldCombo->count()-1; index > 0; index-- )
+		if (mFieldButton)
 		{
-			mMergeFieldCombo->removeItem( index );
-		}
-
-		// Add new keys
-		if ( keyList.size() > 0 )
-		{
-			mMergeFieldCombo->addItems( keyList );
-			mMergeFieldCombo->setEnabled( true );
-		}
-		else
-		{
-			mMergeFieldCombo->setEnabled( false );
+			mFieldButton->setKeys( merge, variables );
 		}
 	}
 
 
-	void ColorPaletteDialog::clearKeys()
+	void ColorPaletteDialog::onPaletteItemActivated( int id )
 	{
+		model::ColorNode newColorNode;
+		newColorNode.setField( false );
+		newColorNode.setColor( QColor( mColorTable[id].colorSpec ) );
+		newColorNode.setKey( "" );
 
-		for ( int index = mMergeFieldCombo->count()-1; index > 0; index-- )
+		if ( newColorNode != mColorNode )
 		{
-			mMergeFieldCombo->removeItem( index );
+			mColorNode = newColorNode;
+			
+			mColorHistory->addColor( mColorNode.color(), mColorTable[id].trname );
+
+			emit colorChanged( mColorNode, false );
+			accept();
 		}
-		mMergeFieldCombo->setEnabled( false );
 	}
 
 
-	void ColorPaletteDialog::onDefaultItemActivated()
+	void ColorPaletteDialog::onHistoryItemActivated( int id )
+	{
+		mColorNode.setField( false );
+		mColorNode.setColor( mColorHistory->getColors()[id] );
+		mColorNode.setKey( "" );
+
+		emit colorChanged( mColorNode, false );
+		accept();
+	}
+
+
+	void ColorPaletteDialog::onDefaultButtonClicked()
 	{
 		mColorNode.setField( false );
 		mColorNode.setColor( mDefaultColor );
@@ -228,29 +247,7 @@ namespace glabels
 	}
 
 
-	void ColorPaletteDialog::onPaletteItemActivated( int id )
-	{
-		mColorNode.setField( false );
-		mColorNode.setColor( QColor( mColorTable[id].colorSpec ) );
-		mColorNode.setKey( "" );
-
-		emit colorChanged( mColorNode, false );
-		accept();
-	}
-
-
-	void ColorPaletteDialog::onHistoryItemActivated( int id )
-	{
-		mColorNode.setField( false );
-		mColorNode.setColor( mColorHistory->getColor(id) );
-		mColorNode.setKey( "" );
-
-		emit colorChanged( mColorNode, false );
-		accept();
-	}
-
-
-	void ColorPaletteDialog::onCustomColorItemActivated()
+	void ColorPaletteDialog::onCustomColorButtonClicked()
 	{
 		QColorDialog dlg( mColorNode.color(), this );
 		dlg.setWindowTitle( tr("Custom Color") );
@@ -267,7 +264,10 @@ namespace glabels
 			{
 				mColorNode = newColorNode;
 			
-				mColorHistory->addColor( mColorNode.color() );
+				// TRANSLATORS
+				//: %1 = color specification in hex. String must not contain a colon (:).
+				mColorHistory->addColor( mColorNode.color(),
+				                         QString(tr("Custom Color %1")).arg(mColorNode.color().name()) );
 
 				emit colorChanged( mColorNode, false );
 				accept();
@@ -284,12 +284,13 @@ namespace glabels
 
 	void ColorPaletteDialog::loadCustomColorHistory()
 	{
+		QStringList nameList = mColorHistory->getNames();
 		QList<QColor> colorList = mColorHistory->getColors();
 	
 		int id = 0;
 		foreach ( QColor color, colorList )
 		{
-			mHistoryItem[id]->setColor( id, color, QString(tr("Custom color #%1").arg(id+1) ) );
+			mHistoryItem[id]->setColor( id, color, nameList[id] );
 			mHistoryItem[id]->setEnabled( true );
 			id++;
 		}
@@ -302,25 +303,14 @@ namespace glabels
 	}
 
 
-	void ColorPaletteDialog::onComboIndexChanged( int index )
+	void ColorPaletteDialog::onKeySelected( QString key )
 	{
-		if ( index != 0 )
-		{
-			mColorNode.setField( true );
-			mColorNode.setColor( QColor( 0xee, 0xee, 0xec ) );
-			mColorNode.setKey( mKeys[index-1] );
+		mColorNode.setField( true );
+		mColorNode.setColor( QColor( 0xee, 0xee, 0xec ) );
+		mColorNode.setKey( key );
 
-			emit colorChanged( mColorNode, false );
-			accept();
-		}
-	}
-
-
-	void ColorPaletteDialog::showEvent( QShowEvent* event )
-	{
-		mMergeFieldCombo->setCurrentIndex( 0 );
-
-		QDialog::showEvent( event );
+		emit colorChanged( mColorNode, false );
+		accept();
 	}
 
 } // namespace glabels

glabels/ColorPaletteDialog.h

@@ -24,11 +24,10 @@
 
 #include "ColorHistory.h"
 #include "ColorPaletteItem.h"
-#include "ColorPaletteButtonItem.h"
+#include "FieldButton.h"
 
 #include "model/ColorNode.h"
 
-#include <QComboBox>
 #include <QDialog>
 
 
@@ -50,6 +49,7 @@ namespace glabels
 		ColorPaletteDialog( const QString& defaultLabel,
 		                    const QColor&  defaultColor,
 		                    const QColor&  color,
+		                    bool           showUseFieldButton = true,
 		                    QWidget*       parent = nullptr );
 
 
@@ -64,24 +64,22 @@ namespace glabels
 		// Public Methods
 		/////////////////////////////////
 	public:
-		void   setColorNode( const model::ColorNode& colorNode );
-		void   setKeys( const QStringList& keyList );
-		void   clearKeys();
+		void setColorNode( const model::ColorNode& colorNode );
+		
+		void setKeys( const merge::Merge*     merge,
+		              const model::Variables* variables );
 
 
 		/////////////////////////////////
 		// Slots
 		/////////////////////////////////
 	private slots:
-		void onDefaultItemActivated();
 		void onPaletteItemActivated( int id );
 		void onHistoryItemActivated( int id );
-		void onCustomColorItemActivated();
+		void onDefaultButtonClicked();
+		void onCustomColorButtonClicked();
+		void onKeySelected( QString key );
 		void onColorHistoryChanged();
-		void onComboIndexChanged( int index );
-
-	protected:
-		void showEvent( QShowEvent* event ) override;
 
 
 		/////////////////////////////////
@@ -111,8 +109,7 @@ namespace glabels
 		ColorHistory* mColorHistory;
 		ColorPaletteItem* mHistoryItem[PALETTE_COLS];
 
-		QComboBox* mMergeFieldCombo;
-		QStringList mKeys;
+		FieldButton* mFieldButton;
 
 	};
 

glabels/EditVariableDialog.cpp

@@ -0,0 +1,220 @@
+/*  EditVariableDialog.cpp
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "EditVariableDialog.h"
+
+#include "model/Settings.h"
+
+#include <QPushButton>
+
+
+namespace
+{
+	// All variable types. (must be in sorted order)
+	const QVector<glabels::model::Variable::Type> allTypes = {
+		glabels::model::Variable::Type::STRING,
+		glabels::model::Variable::Type::INTEGER,
+		glabels::model::Variable::Type::FLOATING_POINT,
+		glabels::model::Variable::Type::COLOR
+	};
+
+	// All variable increments. (must be in sorted order)
+	const QVector<glabels::model::Variable::Increment> allIncrements = {
+		glabels::model::Variable::Increment::NEVER,
+		glabels::model::Variable::Increment::PER_ITEM,
+		glabels::model::Variable::Increment::PER_COPY,
+		glabels::model::Variable::Increment::PER_PAGE
+	};
+}
+
+
+namespace glabels
+{
+
+	///
+	/// Constructor
+	///
+	EditVariableDialog::EditVariableDialog( QWidget *parent )
+		: QDialog(parent)
+	{
+		setupUi( this );
+
+		QRegularExpression reIdentifier( "[a-zA-Z_][a-zA-Z_0-9]*" );
+		nameEdit->setValidator( new QRegularExpressionValidator( reIdentifier ) );
+
+		colorValueButton->init( tr("Default"),
+		                        QColor(0,0,0,255),
+		                        QColor(0,0,0,255),
+		                        false );
+		
+		for ( auto type : allTypes )
+		{
+			typeCombo->addItem( model::Variable::typeToI18nString( type ) );
+		}
+
+		for ( auto type : allIncrements )
+		{
+			incrementCombo->addItem( model::Variable::incrementToI18nString( type ) );
+		}
+
+		stepSizeEdit->setText( "1" );
+	}
+
+
+	///
+	/// Set variable
+	///
+	void EditVariableDialog::setVariable( const model::Variable& variable )
+	{
+		typeCombo->setCurrentIndex( static_cast<int>(variable.type()) );
+		nameEdit->setText( variable.name() );
+		valueEdit->setText( variable.initialValue() );
+		colorValueButton->setColor( QColor( variable.initialValue() ) );
+		incrementCombo->setCurrentIndex( static_cast<int>(variable.increment()) );
+		stepSizeEdit->setText( variable.stepSize() );
+
+		updateControls();
+	}
+
+
+	///
+	/// Get variable
+	///
+	model::Variable EditVariableDialog::variable() const
+	{
+		return model::Variable( static_cast<model::Variable::Type>(typeCombo->currentIndex()),
+		                        nameEdit->text(),
+		                        valueEdit->text(),
+		                        static_cast<model::Variable::Increment>(incrementCombo->currentIndex()),
+		                        stepSizeEdit->text() );
+	}
+
+
+	///
+	/// nameEdit Changed
+	///
+	void EditVariableDialog::onNameEditChanged()
+	{
+		validateCurrentInputs();
+	}
+
+	
+	///
+	/// typeCombo Changed
+	///
+	void EditVariableDialog::onTypeComboChanged()
+	{
+		updateControls();
+	}
+
+	
+	///
+	/// valueEdit Changed
+	///
+	void EditVariableDialog::onValueEditChanged()
+	{
+		validateCurrentInputs();
+	}
+
+	
+	///
+	/// colorValueButton Changed
+	///
+	void EditVariableDialog::onColorValueButtonChanged()
+	{
+		valueEdit->setText( colorValueButton->colorNode().color().name() );
+		validateCurrentInputs();
+	}
+
+	
+	///
+	/// incrementCombo Changed
+	///
+	void EditVariableDialog::onIncrementComboChanged()
+	{
+		updateControls();
+	}
+
+	
+	///
+	/// stepSizeEdit Changed
+	///
+	void EditVariableDialog::onStepSizeEditChanged()
+	{
+		validateCurrentInputs();
+	}
+
+
+	///
+	/// update controls
+	///
+	void EditVariableDialog::updateControls()
+	{
+		auto type      = static_cast<model::Variable::Type>(typeCombo->currentIndex());
+		auto increment = static_cast<model::Variable::Increment>(incrementCombo->currentIndex());
+
+		switch (type)
+		{
+			
+		case model::Variable::Type::INTEGER:
+			valueEdit->setValidator( new QIntValidator() );
+			stepSizeEdit->setValidator( new QIntValidator() );
+			break;
+
+		case model::Variable::Type::FLOATING_POINT:
+			valueEdit->setValidator( new QDoubleValidator() );
+			stepSizeEdit->setValidator( new QDoubleValidator() );
+			break;
+
+		default:
+			valueEdit->setValidator( nullptr );
+			stepSizeEdit->setValidator( nullptr );
+			break;
+			
+		}
+
+		colorValueButton->setVisible( type == model::Variable::Type::COLOR );
+
+		bool isNumeric = ( type == model::Variable::Type::INTEGER ) ||
+		                 ( type == model::Variable::Type::FLOATING_POINT );
+		
+		incrementGroup->setVisible( isNumeric );
+		stepSizeLabel->setEnabled( isNumeric && (increment != model::Variable::Increment::NEVER) );
+		stepSizeEdit->setEnabled( isNumeric && (increment != model::Variable::Increment::NEVER) );
+
+		validateCurrentInputs();
+	}
+
+
+	///
+	/// validate current inputs
+	///
+	void EditVariableDialog::validateCurrentInputs()
+	{
+		bool hasValidIdentifier = nameEdit->hasAcceptableInput();
+		bool hasValidValue      = valueEdit->hasAcceptableInput();
+		bool hasValidStepSize   = stepSizeEdit->hasAcceptableInput();
+
+		bool isValid = hasValidIdentifier && hasValidValue && hasValidStepSize;
+		buttonBox->button(QDialogButtonBox::Ok)->setEnabled( isValid );
+	}
+	
+
+} // namespace glabels

glabels/EditVariableDialog.h

@@ -1,6 +1,6 @@
-/*  ColorPaletteButtonItem.h
+/*  EditVariableDialog.h
  *
- *  Copyright (C) 2014  Jim Evins <evins@snaught.com>
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
  *
  *  This file is part of gLabels-qt.
  *
@@ -18,21 +18,21 @@
  *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef ColorPaletteButtonItem_h
-#define ColorPaletteButtonItem_h
+#ifndef EditVariableDialog_h
+#define EditVariableDialog_h
 
 
-#include <QColor>
-#include <QWidget>
+#include "ui_EditVariableDialog.h"
+#include "model/Variable.h"
 
 
 namespace glabels
 {
 
 	///
-	/// Color Palette Item
+	/// New Label Dialog Widget
 	///
-	class ColorPaletteButtonItem : public QWidget
+	class EditVariableDialog : public QDialog, public Ui_EditVariableDialog
 	{
 		Q_OBJECT
 
@@ -40,36 +40,37 @@ namespace glabels
 		// Life Cycle
 		/////////////////////////////////
 	public:
-		ColorPaletteButtonItem( const QString& text, QWidget* parent = nullptr );
+		EditVariableDialog( QWidget *parent = nullptr );
 
 
 		/////////////////////////////////
-		// Signals
+		// Public methods
 		/////////////////////////////////
-	signals:
-		void activated();
+		void setVariable( const model::Variable& variable );
+		model::Variable variable() const;
 		
 
 		/////////////////////////////////
-		// Event handlers
+		// Slots
 		/////////////////////////////////
-	protected:
-		void paintEvent( QPaintEvent* event ) override;
-		void enterEvent( QEvent* event ) override;
-		void leaveEvent( QEvent* event ) override;
-		void mousePressEvent( QMouseEvent* event ) override;
+	private slots:
+		void onNameEditChanged();
+		void onTypeComboChanged();
+		void onValueEditChanged();
+		void onColorValueButtonChanged();
+		void onIncrementComboChanged();
+		void onStepSizeEditChanged();
 
 		
 		/////////////////////////////////
-		// Private Data
+		// Private methods
 		/////////////////////////////////
-	private:
-		QString mText;
+		void updateControls();
+		void validateCurrentInputs();
 
-		bool        mHover;
 	};
 
 }
 
 
-#endif // ColorPaletteButtonItem_h
+#endif // EditVariableDialog_h

glabels/FieldButton.cpp

@@ -1,6 +1,6 @@
 /*  FieldButton.cpp
  *
- *  Copyright (C) 2014-2016  Jim Evins <evins@snaught.com>
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
  *
  *  This file is part of gLabels-qt.
  *
@@ -30,79 +30,61 @@ namespace glabels
 	///
 	/// Constructor
 	///
-	FieldButton::FieldButton( QWidget* parent )
-		: QComboBox(parent)
+	FieldButton::FieldButton( QWidget* parent ) : QPushButton(parent)
 	{
 		setEnabled( false );
+		setMenu( &mMenu );
 		
-		connect( this, SIGNAL(currentIndexChanged(int)), this, SLOT(onIndexChanged(int)) );
+		connect( &mMenu, SIGNAL(triggered(QAction*)),
+		         this, SLOT(onMenuActionTriggered(QAction*)) );
 	}
 
 
-	void FieldButton::setName( const QString& name )
-	{
-		mName = name;
-		if ( count() == 0 )
-		{
-			addItem( mName );
-		}
-		else
-		{
-			setItemText( 0, mName );
-		}
-
-		// Item 0 is the ComboBox title, not an item intended for selection. So disable it.
-		const auto* itemModel = qobject_cast<const QStandardItemModel*>(model());
-		QStandardItem* item = itemModel->item(0);
-		item->setFlags( item->flags() & ~(Qt::ItemIsSelectable|Qt::ItemIsEnabled) );
-	}
-
-
-	void FieldButton::setKeys( const QStringList& keyList )
+	///
+	/// Set Keys
+	///
+	void FieldButton::setKeys( const merge::Merge*     merge,
+	                           const model::Variables* variables )
 	{
 		// Clear old keys
-		clear();
-		addItem( mName );
+		mMenu.clear();
 		
-		// Item 0 is the ComboBox title, not an item intended for selection. So disable it.
-		const auto* itemModel = qobject_cast<const QStandardItemModel*>(model());
-		QStandardItem* item = itemModel->item(0);
-		item->setFlags( item->flags() & ~(Qt::ItemIsSelectable|Qt::ItemIsEnabled) );
+		// Add merge keys, if any
+		mMenu.addSection( tr("Merge fields") );
+		for ( auto& key : merge->keys() )
+		{
+			auto* action = mMenu.addAction( QString( "${%1}" ).arg( key ) );
+			action->setData( key );
+		}
+		if ( merge->keys().empty() )
+		{
+			auto* action = mMenu.addAction( "None" );
+			action->setEnabled( false );
+		}
 
-		// Add new keys
-		if ( keyList.size() > 0 )
+		// Add variable keys, if any
+		mMenu.addSection( tr("Variables") );
+		for ( auto& key : variables->keys() )
 		{
-			addItems( keyList );
-			setEnabled( true );
+			auto* action = mMenu.addAction( QString( "${%1}" ).arg( key ) );
+			action->setData( key );
 		}
-		else
+		if ( variables->keys().empty() )
 		{
-			setEnabled( false );
+			auto* action = mMenu.addAction( "None" );
+			action->setEnabled( false );
 		}
+
+		setEnabled( !merge->keys().empty() || !variables->keys().empty() );
 	}
 
 
-	void FieldButton::clearKeys()
-	{
-		clear();
-		addItem( mName );
-	
-		setEnabled( false );
-	}
-
-
-
 	///
-	/// onMenuKeySelected slot
+	/// onMenuActionTriggered slot
 	///
-	void FieldButton::onIndexChanged( int index )
+	void FieldButton::onMenuActionTriggered( QAction* action )
 	{
-		if ( index > 0 )
-		{
-			emit keySelected( itemText(index) );
-
-			setCurrentIndex( 0 );
-		}
+		emit keySelected( action->data().toString() );
 	}
 
 } // namespace glabels

glabels/FieldButton.h

@@ -1,6 +1,6 @@
 /*  FieldButton.h
  *
- *  Copyright (C) 2014-2016  Jim Evins <evins@snaught.com>
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
  *
  *  This file is part of gLabels-qt.
  *
@@ -22,8 +22,13 @@
 #define FieldButton_h
 
 
-#include <QComboBox>
-#include <QString>
+#include "model/Variables.h"
+#include "merge/Merge.h"
+
+#include <QAction>
+#include <QPushButton>
+#include <QMenu>
+#include <QStringList>
 
 
 namespace glabels
@@ -32,7 +37,7 @@ namespace glabels
 	///
 	/// Field Button
 	///
-	class FieldButton : public QComboBox
+	class FieldButton : public QPushButton
 	{
 		Q_OBJECT
 
@@ -54,23 +59,22 @@ namespace glabels
 		// Public Methods
 		/////////////////////////////////
 	public:
-		void setName( const QString& name = "" );
-		void setKeys( const QStringList& keyList );
-		void clearKeys();
+		void setKeys( const merge::Merge*     merge,
+		              const model::Variables* variables );
 
 
 		/////////////////////////////////
 		// Slots
 		/////////////////////////////////
 	private slots:
-		void onIndexChanged( int index );
+		void onMenuActionTriggered( QAction* action );
 
 
 		/////////////////////////////////
 		// Private Data
 		/////////////////////////////////
 	private:
-		QString mName;
+		QMenu mMenu;
 
 	};
 

glabels/File.cpp

@@ -112,8 +112,6 @@ namespace glabels
 			model::Model *model = model::XmlLabelParser::readFile( fileName );
 			if ( model )
 			{
-				model->setFileName( fileName );
-				
 				// Either apply to current window or open a new one
 				if ( window->isEmpty() )
 				{
@@ -152,8 +150,6 @@ namespace glabels
 			model::Model *model = model::XmlLabelParser::readFile( fileName );
 			if ( model )
 			{
-				model->setFileName( fileName );
-				
 				// Either apply to current window or open a new one
 				if ( window->isEmpty() )
 				{
@@ -213,7 +209,8 @@ namespace glabels
 	///
 	bool File::saveAs( MainWindow *window )
 	{
-		// Either use the saved CWD from a previous open/save or grab it from the path of the current file
+		// Either use the saved CWD from a previous open/save or grab it from the path
+		// of the current file.
 		QString cwd = mCwd;
 		if ( window->model() && !window->model()->fileName().isEmpty() )
 		{

glabels/Icons.h

@@ -473,6 +473,16 @@ namespace glabels
 		};
 
 
+		class Variables : public QIcon
+		{
+		public:
+			Variables()
+			{
+				addPixmap( QPixmap( ":icons/flat/48x48/glabels-variables.svg" ) );
+			}
+		};
+
+
 		class ZoomBestFit : public QIcon
 		{
 		public:

glabels/LabelEditor.cpp

@@ -1162,7 +1162,7 @@ namespace glabels
 	void
 	LabelEditor::drawObjectsLayer( QPainter* painter )
 	{
-		mModel->draw( painter );
+		mModel->draw( painter, true, nullptr, nullptr );
 	}
 
 

glabels/MainWindow.cpp

@@ -31,6 +31,7 @@
 #include "PropertiesView.h"
 #include "StartupView.h"
 #include "UndoRedoModel.h"
+#include "VariablesView.h"
 
 #include "model/Db.h"
 #include "model/Model.h"
@@ -51,7 +52,8 @@ namespace
 		EDITOR_PAGE_INDEX     = 1,
 		PROPERTIES_PAGE_INDEX = 2,
 		MERGE_PAGE_INDEX      = 3,
-		PRINT_PAGE_INDEX      = 4,
+		VARIABLES_PAGE_INDEX  = 4,
+		PRINT_PAGE_INDEX      = 5,
 	};
 }
 
@@ -76,6 +78,7 @@ namespace glabels
 		QWidget* editorPage = createEditorPage();
 		QWidget* propertiesPage = createPropertiesPage();
 		QWidget* mergePage = createMergePage();
+		QWidget* variablesPage = createVariablesPage();
 		QWidget* printPage = createPrintPage();
 
 		// Table of contents widget
@@ -141,6 +144,18 @@ namespace glabels
 		mMergeAction = mContents->addWidget( mMergeButton );
 		group->addButton( mMergeButton );
 
+		// Add "Variables" page
+		mPages->addWidget( variablesPage );
+		mVariablesButton = new QToolButton( this );
+		mVariablesButton->setIcon( Icons::Variables() );
+		mVariablesButton->setText( tr("Variables") );
+		mVariablesButton->setToolButtonStyle( Qt::ToolButtonTextUnderIcon );
+		mVariablesButton->setCheckable( true );
+		mVariablesButton->setSizePolicy( QSizePolicy::MinimumExpanding,
+		                             QSizePolicy::Preferred );
+		mVariablesAction = mContents->addWidget( mVariablesButton );
+		group->addButton( mVariablesButton );
+
 		// Add "Print" page
 		mPages->addWidget( printPage );
 		mPrintButton = new QToolButton( this );
@@ -175,6 +190,7 @@ namespace glabels
 		connect( mEditorButton, SIGNAL(toggled(bool)), this, SLOT(changePage(bool)));
 		connect( mPropertiesButton, SIGNAL(toggled(bool)), this, SLOT(changePage(bool)));
 		connect( mMergeButton, SIGNAL(toggled(bool)), this, SLOT(changePage(bool)));
+		connect( mVariablesButton, SIGNAL(toggled(bool)), this, SLOT(changePage(bool)));
 		connect( mPrintButton, SIGNAL(toggled(bool)), this, SLOT(changePage(bool)));
 		connect( mLabelEditor, SIGNAL(zoomChanged()), this, SLOT(onZoomChanged()) );
 		connect( model::Settings::instance(), SIGNAL(changed()), this, SLOT(onSettingsChanged()) );
@@ -201,6 +217,7 @@ namespace glabels
 		if ( mModel )
 		{
 			delete mModel->merge(); // Ownership of final Merge instance is ours
+			delete mModel->variables(); // Ownership of Variables instance is ours
 			delete mModel;
 		}
 	}
@@ -226,7 +243,8 @@ namespace glabels
 		mPropertiesView->setModel( mModel, mUndoRedoModel );
 		mLabelEditor->setModel( mModel, mUndoRedoModel );
 		mObjectEditor->setModel( mModel, mUndoRedoModel );
-		mMergeView->setModel( mModel , mUndoRedoModel );
+		mMergeView->setModel( mModel, mUndoRedoModel );
+		mVariablesView->setModel( mModel, mUndoRedoModel );
 		mPrintView->setModel( mModel );
 
 		mEditorButton->setChecked( true );
@@ -323,6 +341,11 @@ namespace glabels
 		fileShowMergePageAction->setStatusTip( tr("Select project Merge mode") );
 		connect( fileShowMergePageAction, SIGNAL(triggered()), this, SLOT(fileShowMergePage()) );
 
+		fileShowVariablesPageAction = new QAction( tr("&Variables") , this );
+		fileShowVariablesPageAction->setShortcut( QKeySequence( Qt::CTRL + Qt::Key_4 ) );
+		fileShowVariablesPageAction->setStatusTip( tr("Select project Variables mode") );
+		connect( fileShowVariablesPageAction, SIGNAL(triggered()), this, SLOT(fileShowVariablesPage()) );
+
 		fileShowPrintPageAction = new QAction( tr("&Print") , this );
 		fileShowPrintPageAction->setShortcut( QKeySequence::Print );
 		fileShowPrintPageAction->setStatusTip( tr("Select project Print mode") );
@@ -611,6 +634,7 @@ namespace glabels
 		fileMenu->addAction( fileShowEditorPageAction );
 		fileMenu->addAction( fileShowPropertiesPageAction );
 		fileMenu->addAction( fileShowMergePageAction );
+		fileMenu->addAction( fileShowVariablesPageAction );
 		fileMenu->addAction( fileShowPrintPageAction );
 		fileMenu->addSeparator();
 		fileMenu->addAction( fileTemplateDesignerAction );
@@ -823,6 +847,17 @@ namespace glabels
 	}
 
 
+	///
+	/// Create Variables Page
+	///
+	QWidget* MainWindow::createVariablesPage()
+	{
+		mVariablesView = new VariablesView();
+
+		return mVariablesView;
+	}
+
+
 	///
 	/// Create Print Page
 	///
@@ -847,6 +882,7 @@ namespace glabels
 		bool isEditorPage     = mEditorButton->isChecked();
 		bool isPropertiesPage = mPropertiesButton->isChecked();
 		bool isMergePage      = mMergeButton->isChecked();
+		bool isVariablesPage  = mVariablesButton->isChecked();
 		bool isPrintPage      = mPrintButton->isChecked();
 
 		// What is the current selection state?
@@ -859,6 +895,7 @@ namespace glabels
 		mEditorAction->setVisible( !isWelcomePage );
 		mPropertiesAction->setVisible( !isWelcomePage );
 		mMergeAction->setVisible( !isWelcomePage );
+		mVariablesAction->setVisible( !isWelcomePage );
 		mPrintAction->setVisible( !isWelcomePage );
 
 		// Recent file actions
@@ -884,6 +921,7 @@ namespace glabels
 		fileShowEditorPageAction->setEnabled( !isWelcomePage && !isEditorPage );
 		fileShowPropertiesPageAction->setEnabled( !isWelcomePage && !isPropertiesPage );
 		fileShowMergePageAction->setEnabled( !isWelcomePage && !isMergePage );
+		fileShowVariablesPageAction->setEnabled( !isWelcomePage && !isVariablesPage );
 		fileShowPrintPageAction->setEnabled( !isWelcomePage && !isPrintPage );
 		fileTemplateDesignerAction->setEnabled( true );
 		fileCloseAction->setEnabled( true );
@@ -1110,6 +1148,10 @@ namespace glabels
 			{
 				mPages->setCurrentIndex( MERGE_PAGE_INDEX );
 			}
+			else if ( mVariablesButton->isChecked() )
+			{
+				mPages->setCurrentIndex( VARIABLES_PAGE_INDEX );
+			}
 			else if ( mPrintButton->isChecked() )
 			{
 				mPages->setCurrentIndex( PRINT_PAGE_INDEX );
@@ -1206,6 +1248,15 @@ namespace glabels
 	}
 
 
+	///
+	/// File->Show Variables Page
+	///
+	void MainWindow::fileShowVariablesPage()
+	{
+		mVariablesButton->setChecked( true );
+	}
+
+
 	///
 	/// File->Show Print Page
 	///

glabels/MainWindow.h

@@ -47,6 +47,7 @@ namespace glabels
 	class PropertiesView;
 	class StartupView;
 	class UndoRedoModel;
+	class VariablesView;
 
 
 	///
@@ -97,6 +98,7 @@ namespace glabels
 		void fileShowEditorPage();
 		void fileShowPropertiesPage();
 		void fileShowMergePage();
+		void fileShowVariablesPage();
 		void fileShowPrintPage();
 		void fileTemplateDesigner();
 		void fileClose();
@@ -175,6 +177,7 @@ namespace glabels
 		QWidget* createEditorPage();
 		QWidget* createPropertiesPage();
 		QWidget* createMergePage();
+		QWidget* createVariablesPage();
 		QWidget* createPrintPage();
 
 		void manageActions();
@@ -222,12 +225,14 @@ namespace glabels
 		QToolButton*         mEditorButton;
 		QToolButton*         mPropertiesButton;
 		QToolButton*         mMergeButton;
+		QToolButton*         mVariablesButton;
 		QToolButton*         mPrintButton;
 
 		QAction*             mWelcomeAction;
 		QAction*             mEditorAction;
 		QAction*             mPropertiesAction;
 		QAction*             mMergeAction;
+		QAction*             mVariablesAction;
 		QAction*             mPrintAction;
 
 		QStackedWidget*      mPages;
@@ -237,6 +242,7 @@ namespace glabels
 		ObjectEditor*        mObjectEditor;
 		PropertiesView*      mPropertiesView;
 		MergeView*           mMergeView;
+		VariablesView*       mVariablesView;
 		PrintView*           mPrintView;
 
 		QLabel*   zoomInfoLabel;
@@ -249,6 +255,7 @@ namespace glabels
 		QAction*  fileShowEditorPageAction;
 		QAction*  fileShowPropertiesPageAction;
 		QAction*  fileShowMergePageAction;
+		QAction*  fileShowVariablesPageAction;
 		QAction*  fileShowPrintPageAction;
 		QAction*  fileTemplateDesignerAction;
 		QAction*  fileCloseAction;

glabels/MergeView.cpp

@@ -22,6 +22,8 @@
 
 #include "merge/Factory.h"
 
+#include "model/FileUtil.h"
+
 #include <QFileDialog>
 #include <QFileInfo>
 #include <QtDebug>
@@ -63,14 +65,7 @@ namespace glabels
 		mUndoRedoModel = undoRedoModel;
 
 		// Initialize CWD
-		if ( model->fileName().isEmpty() )
-		{
-			mCwd = ".";
-		}
-		else
-		{
-			mCwd = QFileInfo( model->fileName() ).absolutePath();
-		}
+		mCwd = mModel->dirPath();
 
 		onMergeChanged();
 		connect( mModel, SIGNAL(mergeChanged()), this, SLOT(onMergeChanged()) );
@@ -87,26 +82,22 @@ namespace glabels
 		mOldFormatComboIndex = index;
 		formatCombo->setCurrentIndex( index );
 
+		QString fn;
+		
 		switch ( merge::Factory::idToType( mModel->merge()->id() ) )
 		{
 		case merge::Factory::NONE:
 		case merge::Factory::FIXED:
 			locationLabel->setEnabled( false );
-			locationButton->setEnabled( false );
-			locationButton->setText( "" );
+			locationLineEdit->setText( "" );
+			locationBrowseButton->setVisible( false );
 			break;
 
 		case merge::Factory::FILE:
 			locationLabel->setEnabled( true );
-			locationButton->setEnabled( true );
-			if ( mModel->merge()->source().isEmpty() )
-			{
-				locationButton->setText( "Select file..." );
-			}
-			else
-			{
-				locationButton->setText( mModel->merge()->source() );
-			}
+			fn = model::FileUtil::makeRelativeIfInDir( mModel->dir(), mModel->merge()->source() );
+			locationLineEdit->setText( fn );
+			locationBrowseButton->setVisible( true );
 			break;
 
 		default:
@@ -135,7 +126,8 @@ namespace glabels
 	///
 	void MergeView::onMergeSourceChanged()
 	{
-		locationButton->setText( mModel->merge()->source() );
+		QString fn = model::FileUtil::makeRelativeIfInDir( mModel->dir(), mModel->merge()->source() );
+		locationLineEdit->setText( fn );
 
 		recordsTable->clear();
 		recordsTable->setColumnCount( 0 );
@@ -185,7 +177,7 @@ namespace glabels
 	///
 	/// Location button clicked handler
 	///
-	void MergeView::onLocationButtonClicked()
+	void MergeView::onLocationBrowseButtonClicked()
 	{
 		QString fileName =
 			QFileDialog::getOpenFileName( this,

glabels/MergeView.h

@@ -67,7 +67,7 @@ namespace glabels
 		void onMergeSelectionChanged();
 
 		void onFormatComboActivated();
-		void onLocationButtonClicked();
+		void onLocationBrowseButtonClicked();
 		void onSelectAllButtonClicked();
 		void onUnselectAllButtonClicked();
 		void onCellChanged( int iRow, int iCol );

glabels/ObjectEditor.cpp

@@ -30,12 +30,14 @@
 #include "model/ModelImageObject.h"
 #include "model/ModelLineObject.h"
 #include "model/ModelTextObject.h"
+#include "model/FileUtil.h"
 #include "model/Settings.h"
 #include "model/Size.h"
 
 #include "merge/Merge.h"
 
 #include <QFileDialog>
+#include <QDir>
 #include <QtMath>
 #include <QtDebug>
 
@@ -67,9 +69,9 @@ namespace glabels
 		barcodeColorButton->init( tr("Default"), QColor(0,0,0,255), QColor(0,0,0,255) );
 		shadowColorButton->init( tr("Default"), QColor(0,0,0,255), QColor(0,0,0,255) );
 
-		textInsertFieldCombo->setName( tr("Insert Field") );
-		barcodeInsertFieldCombo->setName( tr("Insert Field") );
-		imageFieldCombo->setName( tr("Key") );
+		textInsertFieldButton->setText( tr("Insert substitution field") );
+		barcodeInsertFieldButton->setText( tr("Insert substitution field") );
+		imageFieldButton->setText( tr("Use substitution field") );
 
 		setEnabled( false );
 		hidePages();
@@ -93,11 +95,14 @@ namespace glabels
 		         this, SLOT(onSelectionChanged()) );
 		
 		connect( mModel, SIGNAL(mergeSourceChanged()),
-		         this, SLOT(onMergeSourceChanged()) );
+		         this, SLOT(onFieldsAvailableChanged()) );
+
+		connect( mModel, SIGNAL(variablesChanged()),
+		         this, SLOT(onFieldsAvailableChanged()) );
 
 		onLabelSizeChanged();
 		onSelectionChanged();
-		onMergeSourceChanged();
+		onFieldsAvailableChanged();
 	}
 
 	
@@ -122,12 +127,12 @@ namespace glabels
 
 			if ( filenameNode.isField() )
 			{
-				QString field = QString("${%1}").arg( filenameNode.data() );
-				imageFilenameLineEdit->setText( field );
+				imageFilenameLineEdit->setText( QString("${%1}").arg(filenameNode.data()) );
 			}
 			else
 			{
-				imageFilenameLineEdit->setText( filenameNode.data() );
+				QString fn = model::FileUtil::makeRelativeIfInDir( mModel->dir(), filenameNode.data() );
+				imageFilenameLineEdit->setText( fn );
 			}
 
 			mBlocked = false;			
@@ -499,17 +504,19 @@ namespace glabels
 	}
 
 	
-	void ObjectEditor::onMergeSourceChanged()
+	void ObjectEditor::onFieldsAvailableChanged()
 	{
 		if ( !mBlocked )
 		{
-			QStringList keys = mModel->merge()->keys();
-			lineColorButton->setKeys( keys );
-			fillColorButton->setKeys( keys );
-			textInsertFieldCombo->setKeys( keys );
-			barcodeInsertFieldCombo->setKeys( keys );
-			imageFieldCombo->setKeys( keys );
-			shadowColorButton->setKeys( keys );
+			lineColorButton->setKeys( mModel->merge(), mModel->variables() );
+			fillColorButton->setKeys( mModel->merge(), mModel->variables() );
+			textColorButton->setKeys( mModel->merge(), mModel->variables() );
+			barcodeColorButton->setKeys( mModel->merge(), mModel->variables() );
+			shadowColorButton->setKeys( mModel->merge(), mModel->variables() );
+
+			textInsertFieldButton->setKeys( mModel->merge(), mModel->variables() );
+			barcodeInsertFieldButton->setKeys( mModel->merge(), mModel->variables() );
+			imageFieldButton->setKeys( mModel->merge(), mModel->variables() );
 		}
 	}
 
@@ -620,8 +627,11 @@ namespace glabels
 
 	void ObjectEditor::onImageKeySelected( QString key )
 	{
-		mUndoRedoModel->checkpoint( tr("Set image") );
-		mObject->setFilenameNode( model::TextNode( true, key ) );
+		if ( mObject )
+		{
+			mUndoRedoModel->checkpoint( tr("Set image") );
+			mObject->setFilenameNode( model::TextNode( true, key ) );
+		}
 	}
 
 

glabels/ObjectEditor.h

@@ -80,7 +80,7 @@ namespace glabels
 		void onSettingsChanged();
 		void onLabelSizeChanged();
 		void onSelectionChanged();
-		void onMergeSourceChanged();
+		void onFieldsAvailableChanged();
 		void onObjectChanged();
 		void onObjectMoved();
 		void onObjectDestroyed();

glabels/VariablesView.cpp

@@ -0,0 +1,254 @@
+/*  VariablesView.cpp
+ *
+ *  Copyright (C) 2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "VariablesView.h"
+
+#include "EditVariableDialog.h"
+
+#include <QTableWidgetItem>
+#include <QtDebug>
+
+
+namespace
+{
+	enum ICol {
+		I_COL_NAME,
+		I_COL_TYPE,
+		I_COL_VALUE,
+		I_COL_INCREMENT,
+		I_COL_STEP_SIZE,
+		I_COL_DUMMY,
+		N_COLS
+	};
+}
+
+
+namespace glabels
+{
+
+	///
+	/// Constructor
+	///
+	VariablesView::VariablesView( QWidget *parent )
+		: QWidget(parent), mModel(nullptr), mUndoRedoModel(nullptr)
+	{
+		setupUi( this );
+
+		titleLabel->setText( QString( "<span style='font-size:18pt;'>%1</span>" ).arg( tr("Variables") ) );
+
+		table->setColumnCount( N_COLS );
+
+		auto* nameHeaderItem = new QTableWidgetItem( tr("Name") );
+		nameHeaderItem->setFlags( nameHeaderItem->flags() ^ Qt::ItemIsEditable );
+		table->setHorizontalHeaderItem( I_COL_NAME, nameHeaderItem );
+
+		auto* typeHeaderItem = new QTableWidgetItem( tr("Type") );
+		typeHeaderItem->setFlags( typeHeaderItem->flags() ^ Qt::ItemIsEditable );
+		table->setHorizontalHeaderItem( I_COL_TYPE, typeHeaderItem );
+
+		auto* valueHeaderItem = new QTableWidgetItem( tr("Value") );
+		valueHeaderItem->setFlags( valueHeaderItem->flags() ^ Qt::ItemIsEditable );
+		table->setHorizontalHeaderItem( I_COL_VALUE, valueHeaderItem );
+
+		auto* incrementHeaderItem = new QTableWidgetItem( tr("Increment") );
+		incrementHeaderItem->setFlags( incrementHeaderItem->flags() ^ Qt::ItemIsEditable );
+		table->setHorizontalHeaderItem( I_COL_INCREMENT, incrementHeaderItem );
+
+		auto* stepSizeHeaderItem = new QTableWidgetItem( tr("Step Size") );
+		stepSizeHeaderItem->setFlags( stepSizeHeaderItem->flags() ^ Qt::ItemIsEditable );
+		table->setHorizontalHeaderItem( I_COL_STEP_SIZE, stepSizeHeaderItem );
+
+		auto* dummyHeaderItem = new QTableWidgetItem();
+		dummyHeaderItem->setFlags( Qt::NoItemFlags );
+		table->setHorizontalHeaderItem( I_COL_DUMMY, dummyHeaderItem );
+		table->horizontalHeader()->setStretchLastSection( true );
+	}
+
+
+	///
+	/// Destructor
+	///
+	VariablesView::~VariablesView()
+	{
+		// empty
+	}
+
+
+	///
+	/// Set Model
+	///
+	void VariablesView::setModel( model::Model* model, UndoRedoModel* undoRedoModel )
+	{
+		mModel = model;
+		mUndoRedoModel = undoRedoModel;
+
+		updateControls();
+		loadTable();
+		
+		connect( mModel, SIGNAL(variablesChanged()), this, SLOT(onVariablesChanged()) );
+	}
+
+
+	///
+	/// table Selection Changed
+	///
+	void VariablesView::onTableSelectionChanged()
+	{
+		updateControls();
+	}
+
+
+	///
+	/// addButton Clicked
+	///
+	void VariablesView::onAddButtonClicked()
+	{
+		EditVariableDialog dialog( this );
+
+		model::Variable v( model::Variable::Type::INTEGER,
+		                   "x",
+		                   "0",
+		                   model::Variable::Increment::NEVER,
+		                   "1" );
+		dialog.setVariable( v );
+		dialog.setWindowTitle( tr("Add Variable") );
+
+		if ( dialog.exec() == QDialog::Accepted )
+		{
+			mModel->variables()->addVariable( dialog.variable() );
+			selectVariable( dialog.variable().name() );
+		}
+	}
+
+
+	///
+	/// editButton Clicked
+	///
+	void VariablesView::onEditButtonClicked()
+	{
+		int iRow = table->selectedItems()[0]->row();
+		QString name = table->item( iRow, I_COL_NAME )->text();
+		
+		if ( mModel->variables()->hasVariable( name ) )
+		{
+			model::Variable v = mModel->variables()->value( name );
+		
+			EditVariableDialog dialog( this );
+			dialog.setVariable( v );
+			dialog.setWindowTitle( tr("Edit Variable") );
+
+			if ( dialog.exec() == QDialog::Accepted )
+			{
+				mModel->variables()->replaceVariable( name, dialog.variable() );
+				selectVariable( dialog.variable().name() );
+			}
+		}
+	}
+
+
+	///
+	/// deleteButton Clicked
+	///
+	void VariablesView::onDeleteButtonClicked()
+	{
+		int iRow = table->selectedItems()[0]->row();
+		
+		QString name = table->item( iRow, I_COL_NAME )->text();
+		mModel->variables()->deleteVariable( name );
+	}
+
+
+	///
+	/// Variables Changed
+	///
+	void VariablesView::onVariablesChanged()
+	{
+		// Reload table from variables
+		loadTable();
+	}
+
+
+	///
+	/// update controls
+	///
+	void VariablesView::updateControls()
+	{
+		bool hasSelection = !table->selectedItems().isEmpty();
+
+		editButton->setEnabled( hasSelection );
+		deleteButton->setEnabled( hasSelection );
+	}
+
+
+	///
+	/// load table from variables
+	///
+	void VariablesView::loadTable()
+	{
+		table->clearContents();
+		table->setRowCount( mModel->variables()->size() );
+
+		int iRow = 0;
+		for( const auto& v : *mModel->variables() )
+		{
+			auto* typeItem = new QTableWidgetItem( model::Variable::typeToI18nString(v.type()) );
+			typeItem->setFlags( typeItem->flags() ^ Qt::ItemIsEditable );
+			table->setItem( iRow, I_COL_TYPE, typeItem );
+			
+			auto* nameItem = new QTableWidgetItem( v.name() );
+			nameItem->setFlags( nameItem->flags() ^ Qt::ItemIsEditable );
+			table->setItem( iRow, I_COL_NAME, nameItem );
+			
+			auto* valueItem = new QTableWidgetItem( v.initialValue() );
+			valueItem->setFlags( valueItem->flags() ^ Qt::ItemIsEditable );
+			table->setItem( iRow, I_COL_VALUE, valueItem );
+			
+			auto* incrementItem = new QTableWidgetItem( model::Variable::incrementToI18nString(v.increment()) );
+			incrementItem->setFlags( incrementItem->flags() ^ Qt::ItemIsEditable );
+			table->setItem( iRow, I_COL_INCREMENT, incrementItem );
+			
+			auto* stepSizeItem = new QTableWidgetItem( v.stepSize() );
+			stepSizeItem->setFlags( stepSizeItem->flags() ^ Qt::ItemIsEditable );
+			table->setItem( iRow, I_COL_STEP_SIZE, stepSizeItem );
+
+			table->showRow( iRow );
+			iRow++;
+		}
+	}
+
+
+	void VariablesView::selectVariable( const QString& name )
+	{
+		int iRow = 0;
+		for( const auto& v : *mModel->variables() )
+		{
+			if ( v.name() == name )
+			{
+				table->setCurrentCell( iRow, 0,
+				                       (QItemSelectionModel::Select|QItemSelectionModel::Rows) );
+				break;
+			}
+
+			iRow++;
+		}
+	}
+
+
+} // namespace glabels

glabels/VariablesView.h

@@ -0,0 +1,91 @@
+/*  VariablesView.h
+ *
+ *  Copyright (C) 2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef VariablesView_h
+#define VariablesView_h
+
+
+#include "ui_VariablesView.h"
+
+#include "model/Model.h"
+
+
+namespace glabels
+{
+
+	// Forward references
+	class UndoRedoModel;
+	
+
+	///
+	/// Variables Property Editor Widget
+	///
+	class VariablesView : public QWidget, public Ui_VariablesView
+	{
+		Q_OBJECT
+
+
+		/////////////////////////////////
+		// Life Cycle
+		/////////////////////////////////
+	public:
+		VariablesView( QWidget *parent = nullptr );
+		~VariablesView() override;
+
+
+		/////////////////////////////////
+		// Public methods
+		/////////////////////////////////
+		void setModel( model::Model* model, UndoRedoModel* undoRedoModel );
+
+
+		/////////////////////////////////
+		// Slots
+		/////////////////////////////////
+	private slots:
+		void onTableSelectionChanged();
+		void onAddButtonClicked();
+		void onEditButtonClicked();
+		void onDeleteButtonClicked();
+		void onVariablesChanged();
+
+
+		/////////////////////////////////
+		// Private methods
+		/////////////////////////////////
+	private:
+		void updateControls();
+		void loadTable();
+		void selectVariable( const QString& name );
+
+
+		/////////////////////////////////
+		// Private Data
+		/////////////////////////////////
+	private:
+		model::Model*  mModel;
+		UndoRedoModel* mUndoRedoModel;
+
+	};
+
+}
+
+
+#endif // VariablesView_h

glabels/icons.qrc

@@ -102,6 +102,7 @@
 	<file>icons/flat/48x48/glabels-merge.svg</file>
 	<file>icons/flat/48x48/glabels-print.svg</file>
 	<file>icons/flat/48x48/glabels-properties.svg</file>
+	<file>icons/flat/48x48/glabels-variables.svg</file>
 	<file>icons/apps/48x48/glabels.svg</file>
 
 	<file>icons/apps/128x128/glabels.svg</file>

glabels/icons/flat/48x48/glabels-variables.svg

@@ -0,0 +1,15 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1"  width="48" height="48" >
+
+  <g transform="translate(0,-282.3)" >
+    <g style="fill:#333333;fill-opacity:1;stroke:none" transform="scale(0.87836138,1.1384836)" >
+      <path
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+  </g>
+</svg>

glabels/ui/EditVariableDialog.ui

@@ -0,0 +1,274 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EditVariableDialog</class>
+ <widget class="QDialog" name="EditVariableDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>469</width>
+    <height>297</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_2">
+   <property name="verticalSpacing">
+    <number>12</number>
+   </property>
+   <item row="1" column="0">
+    <widget class="QGroupBox" name="incrementGroup">
+     <property name="title">
+      <string>Increment</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_3">
+      <item row="0" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <widget class="QComboBox" name="incrementCombo"/>
+        </item>
+        <item>
+         <widget class="QLabel" name="stepSizeLabel">
+          <property name="text">
+           <string>Step size:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="stepSizeEdit"/>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="0" column="0">
+    <widget class="QGroupBox" name="groupBox_2">
+     <property name="title">
+      <string>Variable</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_4">
+      <item row="0" column="0">
+       <layout class="QGridLayout" name="gridLayout">
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="nameEdit"/>
+        </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="label_5">
+          <property name="text">
+           <string>Value:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Name:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QComboBox" name="typeCombo"/>
+        </item>
+        <item row="0" column="0">
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Type:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <layout class="QHBoxLayout" name="horizontalLayout_3">
+          <item>
+           <widget class="QLineEdit" name="valueEdit"/>
+          </item>
+          <item>
+           <widget class="glabels::ColorButton" name="colorValueButton">
+            <property name="text">
+             <string notr="true"/>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="3" column="0" colspan="2">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>glabels::ColorButton</class>
+   <extends>QPushButton</extends>
+   <header>ColorButton.h</header>
+   <slots>
+    <signal>colorChanged()</signal>
+   </slots>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>236</x>
+     <y>287</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>236</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>304</x>
+     <y>287</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>236</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>typeCombo</sender>
+   <signal>currentIndexChanged(int)</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>onTypeComboChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>252</x>
+     <y>70</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>33</x>
+     <y>161</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>incrementCombo</sender>
+   <signal>currentIndexChanged(int)</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>onIncrementComboChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>100</x>
+     <y>223</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>97</x>
+     <y>176</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>stepSizeEdit</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>onStepSizeEditChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>440</x>
+     <y>223</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>333</x>
+     <y>166</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>nameEdit</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>onNameEditChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>440</x>
+     <y>103</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>393</x>
+     <y>165</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>valueEdit</sender>
+   <signal>textChanged(QString)</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>onValueEditChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>318</x>
+     <y>129</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>459</x>
+     <y>157</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>colorValueButton</sender>
+   <signal>colorChanged()</signal>
+   <receiver>EditVariableDialog</receiver>
+   <slot>onColorValueButtonChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>406</x>
+     <y>114</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>458</x>
+     <y>122</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>onTypeComboChanged()</slot>
+  <slot>onValueEditChanged()</slot>
+  <slot>onIncrementComboChanged()</slot>
+  <slot>onStepSizeEditChanged()</slot>
+  <slot>onNameEditChanged()</slot>
+  <slot>onColorValueButtonChanged()</slot>
+ </slots>
+</ui>

glabels/ui/MergeView.ui

@@ -11,12 +11,21 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">
     <layout class="QVBoxLayout" name="verticalLayout">
-     <property name="margin">
+     <property name="leftMargin">
+      <number>12</number>
+     </property>
+     <property name="topMargin">
+      <number>12</number>
+     </property>
+     <property name="rightMargin">
+      <number>12</number>
+     </property>
+     <property name="bottomMargin">
       <number>12</number>
      </property>
      <item>
@@ -37,16 +46,9 @@
        <property name="title">
         <string>Source</string>
        </property>
-       <layout class="QGridLayout" name="gridLayout_3">
-        <item row="0" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout_3" stretch="1">
+        <item>
          <layout class="QGridLayout" name="gridLayout">
-          <item row="1" column="1">
-           <widget class="QPushButton" name="locationButton">
-            <property name="text">
-             <string>Location</string>
-            </property>
-           </widget>
-          </item>
           <item row="0" column="0">
            <widget class="QLabel" name="label">
             <property name="text">
@@ -54,6 +56,27 @@
             </property>
            </widget>
           </item>
+          <item row="0" column="1">
+           <widget class="QComboBox" name="formatCombo"/>
+          </item>
+          <item row="1" column="1">
+           <layout class="QHBoxLayout" name="horizontalLayout_2">
+            <item>
+             <widget class="QLineEdit" name="locationLineEdit">
+              <property name="readOnly">
+               <bool>true</bool>
+              </property>
+             </widget>
+            </item>
+            <item>
+             <widget class="QPushButton" name="locationBrowseButton">
+              <property name="text">
+               <string>Browse...</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
           <item row="1" column="0">
            <widget class="QLabel" name="locationLabel">
             <property name="text">
@@ -61,24 +84,8 @@
             </property>
            </widget>
           </item>
-          <item row="0" column="1">
-           <widget class="QComboBox" name="formatCombo"/>
-          </item>
          </layout>
         </item>
-        <item row="0" column="1">
-         <spacer name="horizontalSpacer">
-          <property name="orientation">
-           <enum>Qt::Horizontal</enum>
-          </property>
-          <property name="sizeHint" stdset="0">
-           <size>
-            <width>360</width>
-            <height>20</height>
-           </size>
-          </property>
-         </spacer>
-        </item>
        </layout>
       </widget>
      </item>
@@ -89,7 +96,11 @@
        </property>
        <layout class="QGridLayout" name="gridLayout_4">
         <item row="0" column="0">
-         <widget class="QTableWidget" name="recordsTable"/>
+         <widget class="QTableWidget" name="recordsTable">
+          <property name="focusPolicy">
+           <enum>Qt::NoFocus</enum>
+          </property>
+         </widget>
         </item>
         <item row="1" column="0">
          <layout class="QHBoxLayout" name="horizontalLayout">
@@ -138,8 +149,8 @@
    <slot>onSelectAllButtonClicked()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>63</x>
-     <y>571</y>
+     <x>97</x>
+     <y>570</y>
     </hint>
     <hint type="destinationlabel">
      <x>69</x>
@@ -163,22 +174,6 @@
     </hint>
    </hints>
   </connection>
-  <connection>
-   <sender>locationButton</sender>
-   <signal>clicked()</signal>
-   <receiver>MergeView</receiver>
-   <slot>onLocationButtonClicked()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>174</x>
-     <y>93</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>570</x>
-     <y>75</y>
-    </hint>
-   </hints>
-  </connection>
   <connection>
    <sender>formatCombo</sender>
    <signal>activated(int)</signal>
@@ -186,8 +181,8 @@
    <slot>onFormatComboActivated()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>162</x>
-     <y>48</y>
+     <x>257</x>
+     <y>109</y>
     </hint>
     <hint type="destinationlabel">
      <x>563</x>
@@ -195,11 +190,27 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>locationBrowseButton</sender>
+   <signal>clicked()</signal>
+   <receiver>MergeView</receiver>
+   <slot>onLocationBrowseButtonClicked()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>296</x>
+     <y>130</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>565</x>
+     <y>149</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>onSelectAllButtonClicked()</slot>
   <slot>onUnselectAllButtonClicked()</slot>
-  <slot>onLocationButtonClicked()</slot>
   <slot>onFormatComboActivated()</slot>
+  <slot>onLocationBrowseButtonClicked()</slot>
  </slots>
 </ui>

glabels/ui/ObjectEditor.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>400</width>
-    <height>640</height>
+    <height>648</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -29,9 +29,9 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
-  <layout class="QGridLayout" name="gridLayout_5">
+  <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">
     <layout class="QHBoxLayout" name="horizontalLayout_5">
      <item>
@@ -579,7 +579,11 @@
                </spacer>
               </item>
               <item>
-               <widget class="glabels::FieldButton" name="textInsertFieldCombo"/>
+               <widget class="glabels::FieldButton" name="textInsertFieldButton">
+                <property name="text">
+                 <string notr="true">Insert field</string>
+                </property>
+               </widget>
               </item>
               <item>
                <spacer name="horizontalSpacer_2">
@@ -729,7 +733,11 @@
                </spacer>
               </item>
               <item>
-               <widget class="glabels::FieldButton" name="barcodeInsertFieldCombo"/>
+               <widget class="glabels::FieldButton" name="barcodeInsertFieldButton">
+                <property name="text">
+                 <string notr="true">Insert field</string>
+                </property>
+               </widget>
               </item>
               <item>
                <spacer name="horizontalSpacer_12">
@@ -758,14 +766,27 @@
        <string>Image</string>
       </attribute>
       <layout class="QGridLayout" name="gridLayout_13">
-       <item row="0" column="0">
+       <item row="2" column="0">
+        <spacer name="verticalSpacer_3">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>646</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item row="1" column="0">
         <widget class="QGroupBox" name="groupBox_9">
          <property name="title">
           <string>File</string>
          </property>
-         <layout class="QGridLayout" name="gridLayout_12">
+         <layout class="QGridLayout" name="gridLayout_5">
           <item row="0" column="0">
-           <layout class="QVBoxLayout" name="verticalLayout_5">
+           <layout class="QHBoxLayout" name="horizontalLayout_17">
             <item>
              <widget class="QLineEdit" name="imageFilenameLineEdit">
               <property name="sizePolicy">
@@ -789,68 +810,47 @@
              </widget>
             </item>
             <item>
-             <layout class="QHBoxLayout" name="horizontalLayout_17" stretch="1,0,1">
-              <item>
-               <widget class="QPushButton" name="imageFileButton">
-                <property name="sizePolicy">
-                 <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
-                  <horstretch>0</horstretch>
-                  <verstretch>0</verstretch>
-                 </sizepolicy>
-                </property>
-                <property name="text">
-                 <string>Select File...</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QLabel" name="label">
-                <property name="sizePolicy">
-                 <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-                  <horstretch>0</horstretch>
-                  <verstretch>0</verstretch>
-                 </sizepolicy>
-                </property>
-                <property name="text">
-                 <string>or</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="glabels::FieldButton" name="imageFieldCombo">
-                <property name="sizePolicy">
-                 <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
-                  <horstretch>0</horstretch>
-                  <verstretch>0</verstretch>
-                 </sizepolicy>
-                </property>
-                <item>
-                 <property name="text">
-                  <string>Select Merge Field...</string>
-                 </property>
-                </item>
-               </widget>
-              </item>
-             </layout>
+             <widget class="QPushButton" name="imageBrowseButton">
+              <property name="sizePolicy">
+               <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+                <horstretch>0</horstretch>
+                <verstretch>0</verstretch>
+               </sizepolicy>
+              </property>
+              <property name="text">
+               <string>Browse...</string>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+          <item row="1" column="0">
+           <layout class="QHBoxLayout" name="horizontalLayout_27">
+            <item>
+             <spacer name="horizontalSpacer_13">
+              <property name="orientation">
+               <enum>Qt::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>40</width>
+                <height>20</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+            <item>
+             <widget class="glabels::FieldButton" name="imageFieldButton">
+              <property name="text">
+               <string notr="true">Use field</string>
+              </property>
+             </widget>
             </item>
            </layout>
           </item>
          </layout>
         </widget>
        </item>
-       <item row="2" column="0">
-        <spacer name="verticalSpacer_3">
-         <property name="orientation">
-          <enum>Qt::Vertical</enum>
-         </property>
-         <property name="sizeHint" stdset="0">
-          <size>
-           <width>20</width>
-           <height>646</height>
-          </size>
-         </property>
-        </spacer>
-       </item>
       </layout>
      </widget>
      <widget class="QWidget" name="lineFillPage">
@@ -1520,14 +1520,6 @@
     <signal>colorChanged()</signal>
    </slots>
   </customwidget>
-  <customwidget>
-   <class>glabels::FieldButton</class>
-   <extends>QComboBox</extends>
-   <header>FieldButton.h</header>
-   <slots>
-    <signal>keySelected(QString)</signal>
-   </slots>
-  </customwidget>
   <customwidget>
    <class>glabels::BarcodeMenuButton</class>
    <extends>QPushButton</extends>
@@ -1536,6 +1528,14 @@
     <signal>selectionChanged()</signal>
    </slots>
   </customwidget>
+  <customwidget>
+   <class>glabels::FieldButton</class>
+   <extends>QPushButton</extends>
+   <header>FieldButton.h</header>
+   <slots>
+    <signal>keySelected(QString)</signal>
+   </slots>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="../icons.qrc"/>
@@ -1644,8 +1644,8 @@
    <slot>onTextControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>157</x>
-     <y>333</y>
+     <x>160</x>
+     <y>332</y>
     </hint>
     <hint type="destinationlabel">
      <x>396</x>
@@ -1660,8 +1660,8 @@
    <slot>onTextControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>198</x>
-     <y>333</y>
+     <x>200</x>
+     <y>332</y>
     </hint>
     <hint type="destinationlabel">
      <x>398</x>
@@ -1676,8 +1676,8 @@
    <slot>onTextControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>238</x>
-     <y>333</y>
+     <x>240</x>
+     <y>332</y>
     </hint>
     <hint type="destinationlabel">
      <x>395</x>
@@ -1692,8 +1692,8 @@
    <slot>onTextControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>284</x>
-     <y>333</y>
+     <x>286</x>
+     <y>332</y>
     </hint>
     <hint type="destinationlabel">
      <x>393</x>
@@ -1708,8 +1708,8 @@
    <slot>onTextControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>325</x>
-     <y>333</y>
+     <x>326</x>
+     <y>332</y>
     </hint>
     <hint type="destinationlabel">
      <x>396</x>
@@ -1725,7 +1725,7 @@
    <hints>
     <hint type="sourcelabel">
      <x>365</x>
-     <y>333</y>
+     <y>332</y>
     </hint>
     <hint type="destinationlabel">
      <x>397</x>
@@ -1740,8 +1740,8 @@
    <slot>onTextControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>184</x>
-     <y>407</y>
+     <x>189</x>
+     <y>404</y>
     </hint>
     <hint type="destinationlabel">
      <x>394</x>
@@ -1757,7 +1757,7 @@
    <hints>
     <hint type="sourcelabel">
      <x>178</x>
-     <y>143</y>
+     <y>139</y>
     </hint>
     <hint type="destinationlabel">
      <x>392</x>
@@ -1772,8 +1772,8 @@
    <slot>onLineControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>137</x>
-     <y>179</y>
+     <x>136</x>
+     <y>174</y>
     </hint>
     <hint type="destinationlabel">
      <x>1</x>
@@ -1788,8 +1788,8 @@
    <slot>onFillControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>136</x>
-     <y>263</y>
+     <x>135</x>
+     <y>256</y>
     </hint>
     <hint type="destinationlabel">
      <x>6</x>
@@ -1804,8 +1804,8 @@
    <slot>onPositionControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>159</x>
-     <y>142</y>
+     <x>160</x>
+     <y>138</y>
     </hint>
     <hint type="destinationlabel">
      <x>399</x>
@@ -1820,8 +1820,8 @@
    <slot>onPositionControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>159</x>
-     <y>179</y>
+     <x>160</x>
+     <y>174</y>
     </hint>
     <hint type="destinationlabel">
      <x>325</x>
@@ -1836,8 +1836,8 @@
    <slot>onRectSizeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>159</x>
-     <y>265</y>
+     <x>160</x>
+     <y>258</y>
     </hint>
     <hint type="destinationlabel">
      <x>3</x>
@@ -1852,8 +1852,8 @@
    <slot>onRectSizeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>159</x>
-     <y>302</y>
+     <x>160</x>
+     <y>294</y>
     </hint>
     <hint type="destinationlabel">
      <x>0</x>
@@ -1868,8 +1868,8 @@
    <slot>onResetImageSize()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>210</x>
-     <y>372</y>
+     <x>213</x>
+     <y>362</y>
     </hint>
     <hint type="destinationlabel">
      <x>4</x>
@@ -1900,8 +1900,8 @@
    <slot>onShadowControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>165</x>
-     <y>142</y>
+     <x>166</x>
+     <y>138</y>
     </hint>
     <hint type="destinationlabel">
      <x>398</x>
@@ -1916,8 +1916,8 @@
    <slot>onShadowControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>165</x>
-     <y>179</y>
+     <x>166</x>
+     <y>174</y>
     </hint>
     <hint type="destinationlabel">
      <x>294</x>
@@ -1932,8 +1932,8 @@
    <slot>onShadowControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>142</x>
-     <y>215</y>
+     <x>141</x>
+     <y>209</y>
     </hint>
     <hint type="destinationlabel">
      <x>399</x>
@@ -1948,8 +1948,8 @@
    <slot>onShadowControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>159</x>
-     <y>252</y>
+     <x>162</x>
+     <y>245</y>
     </hint>
     <hint type="destinationlabel">
      <x>399</x>
@@ -1964,8 +1964,8 @@
    <slot>onLineSizeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>174</x>
-     <y>456</y>
+     <x>177</x>
+     <y>444</y>
     </hint>
     <hint type="destinationlabel">
      <x>5</x>
@@ -1980,8 +1980,8 @@
    <slot>onLineSizeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>174</x>
-     <y>493</y>
+     <x>177</x>
+     <y>480</y>
     </hint>
     <hint type="destinationlabel">
      <x>1</x>
@@ -1990,14 +1990,14 @@
    </hints>
   </connection>
   <connection>
-   <sender>imageFileButton</sender>
+   <sender>imageBrowseButton</sender>
    <signal>clicked()</signal>
    <receiver>ObjectEditor</receiver>
    <slot>onImageFileButtonClicked()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>133</x>
-     <y>175</y>
+     <x>367</x>
+     <y>135</y>
     </hint>
     <hint type="destinationlabel">
      <x>394</x>
@@ -2005,22 +2005,6 @@
     </hint>
    </hints>
   </connection>
-  <connection>
-   <sender>imageFieldCombo</sender>
-   <signal>keySelected(QString)</signal>
-   <receiver>ObjectEditor</receiver>
-   <slot>onImageKeySelected(QString)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>302</x>
-     <y>175</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>397</x>
-     <y>32</y>
-    </hint>
-   </hints>
-  </connection>
   <connection>
    <sender>textEdit</sender>
    <signal>textChanged()</signal>
@@ -2037,22 +2021,6 @@
     </hint>
    </hints>
   </connection>
-  <connection>
-   <sender>textInsertFieldCombo</sender>
-   <signal>keySelected(QString)</signal>
-   <receiver>ObjectEditor</receiver>
-   <slot>onTextInsertFieldKeySelected(QString)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>239</x>
-     <y>599</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>395</x>
-     <y>645</y>
-    </hint>
-   </hints>
-  </connection>
   <connection>
    <sender>barcodeShowTextCheck</sender>
    <signal>toggled(bool)</signal>
@@ -2060,8 +2028,8 @@
    <slot>onBarcodeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>178</x>
-     <y>172</y>
+     <x>195</x>
+     <y>167</y>
     </hint>
     <hint type="destinationlabel">
      <x>4</x>
@@ -2076,8 +2044,8 @@
    <slot>onBarcodeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>164</x>
-     <y>204</y>
+     <x>195</x>
+     <y>198</y>
     </hint>
     <hint type="destinationlabel">
      <x>1</x>
@@ -2093,7 +2061,7 @@
    <hints>
     <hint type="sourcelabel">
      <x>126</x>
-     <y>239</y>
+     <y>232</y>
     </hint>
     <hint type="destinationlabel">
      <x>1</x>
@@ -2117,22 +2085,6 @@
     </hint>
    </hints>
   </connection>
-  <connection>
-   <sender>barcodeInsertFieldCombo</sender>
-   <signal>keySelected(QString)</signal>
-   <receiver>ObjectEditor</receiver>
-   <slot>onBarcodeInsertFieldKeySelected(QString)</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>239</x>
-     <y>400</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>403</x>
-     <y>625</y>
-    </hint>
-   </hints>
-  </connection>
   <connection>
    <sender>barcodeStyleButton</sender>
    <signal>selectionChanged()</signal>
@@ -2140,8 +2092,8 @@
    <slot>onBarcodeControlsChanged()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>178</x>
-     <y>140</y>
+     <x>195</x>
+     <y>136</y>
     </hint>
     <hint type="destinationlabel">
      <x>5</x>
@@ -2197,6 +2149,54 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>textInsertFieldButton</sender>
+   <signal>keySelected(QString)</signal>
+   <receiver>ObjectEditor</receiver>
+   <slot>onTextInsertFieldKeySelected(QString)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>191</x>
+     <y>589</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>227</x>
+     <y>642</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>barcodeInsertFieldButton</sender>
+   <signal>keySelected(QString)</signal>
+   <receiver>ObjectEditor</receiver>
+   <slot>onBarcodeInsertFieldKeySelected(QString)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>208</x>
+     <y>379</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>205</x>
+     <y>649</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>imageFieldButton</sender>
+   <signal>keySelected(QString)</signal>
+   <receiver>ObjectEditor</receiver>
+   <slot>onImageKeySelected(QString)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>317</x>
+     <y>160</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>331</x>
+     <y>-12</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>onChanged()</slot>
@@ -2213,5 +2213,6 @@
   <slot>onTextInsertFieldKeySelected(QString)</slot>
   <slot>onBarcodeControlsChanged()</slot>
   <slot>onBarcodeInsertFieldKeySelected(QString)</slot>
+  <slot>onImageComboChanged()</slot>
  </slots>
 </ui>

glabels/ui/PrintView.ui

@@ -17,7 +17,7 @@
    </sizepolicy>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,0,1">
    <item>

glabels/ui/PropertiesView.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_5" columnstretch="0,0,0,0,1">
    <item row="0" column="4">

glabels/ui/StartupView.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">

glabels/ui/TemplateDesignerApplyPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <property name="spacing">

glabels/ui/TemplateDesignerCdPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">

glabels/ui/TemplateDesignerContinuousPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <property name="spacing">

glabels/ui/TemplateDesignerEllipsePage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">

glabels/ui/TemplateDesignerIntroPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <property name="verticalSpacing">

glabels/ui/TemplateDesignerNLayoutsPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <property name="sizeConstraint">

glabels/ui/TemplateDesignerNamePage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <property name="verticalSpacing">

glabels/ui/TemplateDesignerOneLayoutPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">

glabels/ui/TemplateDesignerPageSizePage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_3">
    <item row="1" column="0">

glabels/ui/TemplateDesignerPathPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <property name="spacing">

glabels/ui/TemplateDesignerRectPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">

glabels/ui/TemplateDesignerRoundPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">

glabels/ui/TemplateDesignerShapePage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">

glabels/ui/TemplateDesignerTwoLayoutPage.ui

@@ -23,7 +23,7 @@
    </size>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string notr="true">Form</string>
   </property>
   <layout class="QGridLayout" name="gridLayout_2">
    <item row="0" column="0">

glabels/ui/VariablesView.ui

@@ -0,0 +1,190 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>VariablesView</class>
+ <widget class="QWidget" name="VariablesView">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1105</width>
+    <height>605</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string notr="true">Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <property name="leftMargin">
+    <number>21</number>
+   </property>
+   <property name="topMargin">
+    <number>21</number>
+   </property>
+   <property name="rightMargin">
+    <number>21</number>
+   </property>
+   <property name="bottomMargin">
+    <number>21</number>
+   </property>
+   <item row="0" column="0">
+    <widget class="QLabel" name="titleLabel">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-size:18pt;&quot;&gt;Variables&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QTableWidget" name="table">
+     <property name="focusPolicy">
+      <enum>Qt::NoFocus</enum>
+     </property>
+     <property name="selectionMode">
+      <enum>QAbstractItemView::SingleSelection</enum>
+     </property>
+     <property name="selectionBehavior">
+      <enum>QAbstractItemView::SelectRows</enum>
+     </property>
+     <property name="columnCount">
+      <number>0</number>
+     </property>
+     <attribute name="verticalHeaderVisible">
+      <bool>false</bool>
+     </attribute>
+     <attribute name="verticalHeaderHighlightSections">
+      <bool>true</bool>
+     </attribute>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QPushButton" name="addButton">
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Add variable&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>Add</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="editButton">
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Edit selected variable&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>Edit</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QPushButton" name="deleteButton">
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Delete selected variable&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>Delete</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>addButton</sender>
+   <signal>clicked()</signal>
+   <receiver>VariablesView</receiver>
+   <slot>onAddButtonClicked()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>63</x>
+     <y>586</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>98</x>
+     <y>598</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>editButton</sender>
+   <signal>clicked()</signal>
+   <receiver>VariablesView</receiver>
+   <slot>onEditButtonClicked()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>167</x>
+     <y>576</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>317</x>
+     <y>608</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>deleteButton</sender>
+   <signal>clicked()</signal>
+   <receiver>VariablesView</receiver>
+   <slot>onDeleteButtonClicked()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>245</x>
+     <y>575</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>508</x>
+     <y>613</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>table</sender>
+   <signal>itemSelectionChanged()</signal>
+   <receiver>VariablesView</receiver>
+   <slot>onTableSelectionChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>380</x>
+     <y>258</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>787</x>
+     <y>610</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>onSelectAllButtonClicked()</slot>
+  <slot>onUnselectAllButtonClicked()</slot>
+  <slot>onLocationButtonClicked()</slot>
+  <slot>onFormatComboActivated()</slot>
+  <slot>onAddButtonClicked()</slot>
+  <slot>onEditButtonClicked()</slot>
+  <slot>onDeleteButtonClicked()</slot>
+  <slot>onTableSelectionChanged()</slot>
+ </slots>
+</ui>

model/CMakeLists.txt

@@ -56,6 +56,8 @@ set (Model_sources
   Template.cpp
   TextNode.cpp
   Units.cpp
+  Variable.cpp
+  Variables.cpp
   Vendor.cpp
   XmlCategoryParser.cpp
   XmlLabelCreator.cpp
@@ -80,6 +82,7 @@ set (Model_qobject_headers
   ModelTextObject.h
   PageRenderer.h
   Settings.h
+  Variables.h
 )
 
 qt5_wrap_cpp (Model_moc_sources ${Model_qobject_headers})

model/ColorNode.cpp

@@ -175,30 +175,32 @@ namespace glabels
 		///
 		/// Get color, expand if necessary
 		///
-		QColor ColorNode::color( merge::Record* record ) const
+		QColor ColorNode::color( const merge::Record* record,
+		                         const Variables*     variables ) const
 		{
-			if ( mIsField )
+			QColor value = QColor( 192, 192, 192, 128 );
+			
+			bool haveRecordField = mIsField && record &&
+				record->contains(mKey) &&
+				!record->value(mKey).isEmpty();
+			bool haveVariable = mIsField && variables &&
+				variables->contains(mKey) &&
+				!(*variables)[mKey].value().isEmpty();
+
+			if ( haveRecordField )
 			{
-				if ( record == nullptr )
-				{
-					return mColor;
-				}
-				else
-				{
-					if ( record->contains( mKey ) )
-					{
-						return QColor( (*record)[ mKey ] );
-					}
-					else
-					{
-						return mColor;
-					}
-				}
+				value = QColor( record->value(mKey) );
 			}
-			else
+			else if ( haveVariable )
 			{
-				return mColor;
+				value = QColor( (*variables)[mKey].value() );
 			}
+			else if ( !mIsField )
+			{
+				value = mColor;
+			}
+
+			return value;
 		}
 
 	}

model/ColorNode.h

@@ -22,6 +22,7 @@
 #define model_ColorNode_h
 
 
+#include "Variables.h"
 #include "merge/Record.h"
 
 #include <QString>
@@ -95,7 +96,8 @@ namespace glabels
 			/////////////////////////////////
 		public:
 			uint32_t rgba() const;
-			QColor color( merge::Record* record ) const;
+			QColor color( const merge::Record* record,
+			              const Variables*     variables ) const;
 
 
 			/////////////////////////////////

model/FileUtil.cpp

@@ -108,5 +108,17 @@ namespace glabels
 			return QDir("/");
 		}
 
+
+		QString FileUtil::makeRelativeIfInDir( const QDir&    dir,
+		                                       const QString& filename )
+		{
+			QString relativeFilePath = dir.relativeFilePath( filename ); // Note: directory separators canonicalized to slash by Qt path methods
+			if ( !relativeFilePath.startsWith( "../" ) )
+			{
+				return relativeFilePath;
+			}
+			return filename;
+		}
+
 	}
 }

model/FileUtil.h

@@ -41,6 +41,9 @@ namespace glabels
 			QDir userTemplatesDir();
 
 			QDir translationsDir();
+
+			QString makeRelativeIfInDir( const QDir&    dir,
+			                             const QString& filename );
 		}
 
 	}

model/Model.cpp

@@ -57,13 +57,17 @@ namespace glabels
 		Model::Model()
 			: mUntitledInstance(0), mModified(true), mRotate(false)
 		{
+			mVariables = new Variables();
 			mMerge = new merge::None();
+
+			connect( mVariables, SIGNAL(changed()), this, SLOT(onVariablesChanged()) );
 		}
 
 
-		Model::Model( merge::Merge* merge )
+		Model::Model( merge::Merge* merge, Variables* variables )
 			: mUntitledInstance(0), mModified(true), mRotate(false)
 		{
+			mVariables = variables; // Shared
 			mMerge = merge; // Shared
 		}
 
@@ -73,7 +77,8 @@ namespace glabels
 		///
 		Model::~Model()
 		{
-			// Final instance of mMerge to be deleted by Model owner
+			qDeleteAll( mObjectList );
+			// Final instance of mMerge and mVariables to be deleted by Model owner
 		}
 
 
@@ -82,7 +87,7 @@ namespace glabels
 		///
 		Model* Model::save() const
 		{
-			auto* savedModel = new Model( mMerge ); // mMerge shared between models
+			auto* savedModel = new Model( mMerge, mVariables ); // mMerge and mVariables shared between models
 
 			if ( mFileName.isEmpty() && mUntitledInstance == 0 )
 			{
@@ -283,6 +288,38 @@ namespace glabels
 		}
 
 
+		///
+		/// Get directory as a QDir.
+		///
+		QDir Model::dir() const
+		{
+			if ( mFileName.isEmpty() )
+			{
+				return QDir::current();
+			}
+			else
+			{
+				return QFileInfo( mFileName ).absoluteDir();
+			}
+		}
+
+
+		///
+		/// Get directory as a path.
+		///
+		QString Model::dirPath() const
+		{
+			if ( mFileName.isEmpty() )
+			{
+				return QDir::currentPath();
+			}
+			else
+			{
+				return QFileInfo( mFileName ).absolutePath();
+			}
+		}
+
+
 		///
 		/// Get short name.
 		///
@@ -309,6 +346,15 @@ namespace glabels
 		}
 
 
+		///
+		/// Get variables object
+		///
+		Variables* Model::variables() const
+		{
+			return mVariables;
+		}
+
+
 		///
 		/// Get merge object
 		///
@@ -458,6 +504,17 @@ namespace glabels
 		}
 
 
+		///
+		/// Variables Changed Slot
+		///
+		void Model::onVariablesChanged()
+		{
+			setModified();
+			emit changed();
+			emit variablesChanged();
+		}
+
+
 		///
 		/// Merge Source Changed Slot
 		///
@@ -1366,7 +1423,7 @@ namespace glabels
 				QClipboard *clipboard = QApplication::clipboard();
 		
 				QByteArray buffer;
-				XmlLabelCreator::serializeObjects( getSelection(), buffer );
+				XmlLabelCreator::serializeObjects( getSelection(), this, buffer );
 
 				auto *mimeData = new QMimeData;
 				mimeData->setData( MIME_TYPE, buffer );
@@ -1422,7 +1479,7 @@ namespace glabels
 			{
 				// Native objects
 				QByteArray buffer = mimeData->data( MIME_TYPE );
-				QList <ModelObject*> objects = XmlLabelParser::deserializeObjects( buffer );
+				QList <ModelObject*> objects = XmlLabelParser::deserializeObjects( buffer, this );
 
 				unselectAll();
 				foreach ( ModelObject* object, objects )
@@ -1459,11 +1516,11 @@ namespace glabels
 		///
 		/// Draw label objects
 		///
-		void Model::draw( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void Model::draw( QPainter* painter, bool inEditor, merge::Record* record, Variables* variables ) const
 		{
 			foreach ( ModelObject* object, mObjectList )
 			{
-				object->draw( painter, inEditor, record );
+				object->draw( painter, inEditor, record, variables );
 			}
 		}
 

model/Model.h

@@ -24,10 +24,12 @@
 
 #include "Settings.h"
 #include "Template.h"
+#include "Variables.h"
 
 #include "merge/Merge.h"
 #include "merge/Record.h"
 
+#include <QDir>
 #include <QList>
 #include <QObject>
 #include <QPainter>
@@ -57,7 +59,7 @@ namespace glabels
 			/////////////////////////////////
 		public:
 			Model();
-			Model( merge::Merge* merge );
+			Model( merge::Merge* merge, Variables* variables );
 			~Model();
 
 	
@@ -77,6 +79,7 @@ namespace glabels
 			void sizeChanged();
 			void selectionChanged();
 			void modifiedChanged();
+			void variablesChanged();
 			void mergeChanged();
 			void mergeSourceChanged();
 			void mergeSelectionChanged();
@@ -90,6 +93,8 @@ namespace glabels
 			void setModified();
 			void clearModified();
 
+			QDir dir() const;
+			QString dirPath() const;
 			QString shortName();
 			const QString& fileName() const;
 			void setFileName( const QString &fileName );
@@ -108,6 +113,8 @@ namespace glabels
 
 			const QList<ModelObject*>& objectList() const;
 
+			Variables* variables() const;
+
 			merge::Merge* merge() const;
 			void setMerge( merge::Merge* merge );
 	
@@ -205,7 +212,10 @@ namespace glabels
 			// Drawing operations
 			/////////////////////////////////
 		public:
-			void draw( QPainter* painter, bool inEditor = true, merge::Record* record = nullptr ) const;
+			void draw( QPainter*      painter,
+			           bool           inEditor,
+			           merge::Record* record,
+			           Variables*     variables ) const;
 
 		
 			/////////////////////////////////
@@ -214,6 +224,7 @@ namespace glabels
 		private slots:
 			void onObjectChanged();
 			void onObjectMoved();
+			void onVariablesChanged();
 			void onMergeSourceChanged();
 			void onMergeSelectionChanged();
 
@@ -230,6 +241,7 @@ namespace glabels
 
 			QList<ModelObject*>       mObjectList;
 
+			Variables*                mVariables;
 			merge::Merge*             mMerge;
 		};
 

model/ModelBarcodeObject.cpp

@@ -312,7 +312,8 @@ namespace glabels
 		///
 		void ModelBarcodeObject::drawShadow( QPainter*      painter,
 		                                     bool           inEditor,
-		                                     merge::Record* record ) const
+		                                     merge::Record* record,
+		                                     Variables*     variables ) const
 		{
 			// Barcodes don't support shadows.
 		}
@@ -323,9 +324,10 @@ namespace glabels
 		///
 		void ModelBarcodeObject::drawObject( QPainter*      painter,
 		                                     bool           inEditor,
-		                                     merge::Record* record ) const
+		                                     merge::Record* record,
+		                                     Variables*     variables ) const
 		{
-			QColor bcColor = mBcColorNode.color( record );
+			QColor bcColor = mBcColorNode.color( record, variables );
 
 			if ( inEditor )
 			{
@@ -333,7 +335,7 @@ namespace glabels
 			}
 			else
 			{
-				drawBc( painter, bcColor, record );
+				drawBc( painter, bcColor, record, variables );
 			}
 		}
 
@@ -451,7 +453,8 @@ namespace glabels
 		void
 		ModelBarcodeObject::drawBc( QPainter*      painter,
 		                            const QColor&  color,
-		                            merge::Record* record ) const
+		                            merge::Record* record,
+		                            Variables*     variables ) const
 		{
 			painter->setPen( QPen( color ) );
 
@@ -459,7 +462,7 @@ namespace glabels
 			bc->setChecksum(mBcChecksumFlag);
 			bc->setShowText(mBcTextFlag);
 
-			bc->build( mBcData.expand( record ).toStdString(), mW.pt(), mH.pt() );
+			bc->build( mBcData.expand( record, variables ).toStdString(), mW.pt(), mH.pt() );
 
 			glbarcode::QtRenderer renderer(painter);
 			bc->render( renderer );

model/ModelBarcodeObject.h

@@ -127,8 +127,16 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		protected:
-			void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const override;
-			void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const override;
+			void drawShadow( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
+			void drawObject( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
 			QPainterPath hoverPath( double scale ) const override;
 
 
@@ -140,7 +148,12 @@ namespace glabels
 			void update();
 
 			void drawBcInEditor( QPainter* painter, const QColor& color ) const;
-			void drawBc( QPainter* painter, const QColor& color, merge::Record* record ) const;
+
+			void drawBc( QPainter*      painter,
+			             const QColor&  color,
+			             merge::Record* record,
+			             Variables*     variables ) const;
+
 			void drawPlaceHolder( QPainter* painter, const QColor& color, const QString& text ) const;
 
 	

model/ModelBoxObject.cpp

@@ -104,11 +104,14 @@ namespace glabels
 		///
 		/// Draw shadow of object
 		///
-		void ModelBoxObject::drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelBoxObject::drawShadow( QPainter*      painter,
+		                                 bool           inEditor,
+		                                 merge::Record* record,
+		                                 Variables*     variables ) const
 		{
-			QColor lineColor = mLineColorNode.color( record );
-			QColor fillColor = mFillColorNode.color( record );
-			QColor shadowColor = mShadowColorNode.color( record );
+			QColor lineColor = mLineColorNode.color( record, variables );
+			QColor fillColor = mFillColorNode.color( record, variables );
+			QColor shadowColor = mShadowColorNode.color( record, variables );
 
 			shadowColor.setAlphaF( mShadowOpacity );
 
@@ -149,10 +152,13 @@ namespace glabels
 		///
 		/// Draw object itself
 		///
-		void ModelBoxObject::drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelBoxObject::drawObject( QPainter*      painter,
+		                                 bool           inEditor,
+		                                 merge::Record* record,
+		                                 Variables*     variables ) const
 		{
-			QColor lineColor = mLineColorNode.color( record );
-			QColor fillColor = mFillColorNode.color( record );
+			QColor lineColor = mLineColorNode.color( record, variables );
+			QColor fillColor = mFillColorNode.color( record, variables );
 
 			painter->setPen( QPen( lineColor, mLineWidth.pt() ) );
 			painter->setBrush( fillColor );

model/ModelBoxObject.h

@@ -73,8 +73,16 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		protected:
-			void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const override;
-			void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const override;
+			void drawShadow( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
+			void drawObject( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
 			QPainterPath hoverPath( double scale ) const override;
 
 		};

model/ModelEllipseObject.cpp

@@ -104,11 +104,14 @@ namespace glabels
 		///
 		/// Draw shadow of object
 		///
-		void ModelEllipseObject::drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelEllipseObject::drawShadow( QPainter*      painter,
+		                                     bool           inEditor,
+		                                     merge::Record* record,
+		                                     Variables*     variables ) const
 		{
-			QColor lineColor = mLineColorNode.color( record );
-			QColor fillColor = mFillColorNode.color( record );
-			QColor shadowColor = mShadowColorNode.color( record );
+			QColor lineColor = mLineColorNode.color( record, variables );
+			QColor fillColor = mFillColorNode.color( record, variables );
+			QColor shadowColor = mShadowColorNode.color( record, variables );
 
 			shadowColor.setAlphaF( mShadowOpacity );
 
@@ -149,10 +152,13 @@ namespace glabels
 		///
 		/// Draw object itself
 		///
-		void ModelEllipseObject::drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelEllipseObject::drawObject( QPainter*      painter,
+		                                     bool           inEditor,
+		                                     merge::Record* record,
+		                                     Variables*     variables ) const
 		{
-			QColor lineColor = mLineColorNode.color( record );
-			QColor fillColor = mFillColorNode.color( record );
+			QColor lineColor = mLineColorNode.color( record, variables );
+			QColor fillColor = mFillColorNode.color( record, variables );
 
 			painter->setPen( QPen( lineColor, mLineWidth.pt() ) );
 			painter->setBrush( fillColor );

model/ModelEllipseObject.h

@@ -73,8 +73,16 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		protected:
-			void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const override;
-			void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const override;
+			void drawShadow( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
+			void drawObject( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+
 			QPainterPath hoverPath( double scale ) const override;
 
 		};

model/ModelImageObject.cpp

@@ -20,9 +20,11 @@
 
 #include "ModelImageObject.h"
 
+#include "Model.h"
 #include "Size.h"
 
 #include <QBrush>
+#include <QDir>
 #include <QFileInfo>
 #include <QImage>
 #include <QPen>
@@ -40,6 +42,17 @@ namespace glabels
 		QImage* ModelImageObject::smDefaultImage = nullptr;
 
 
+		//
+		// Private
+		//
+		namespace
+		{
+			const QColor fillColor  = QColor( 224, 224, 224, 255 );
+			const QColor labelColor = QColor( 102, 102, 102, 255 );
+			const Distance pad = Distance::pt(2);
+		}
+
+
 		///
 		/// Constructor
 		///
@@ -102,6 +115,8 @@ namespace glabels
 
 			mImage = nullptr;
 			mSvgRenderer = nullptr;
+
+			loadImage();
 		}
 
 	
@@ -398,27 +413,58 @@ namespace glabels
 		///
 		/// Draw shadow of object
 		///
-		void ModelImageObject::drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelImageObject::drawShadow( QPainter*      painter,
+		                                   bool           inEditor,
+		                                   merge::Record* record,
+		                                   Variables*     variables ) const
 		{
 			QRectF destRect( 0, 0, mW.pt(), mH.pt() );
 	
-			QColor shadowColor = mShadowColorNode.color( record );
+			QColor shadowColor = mShadowColorNode.color( record, variables );
 			shadowColor.setAlphaF( mShadowOpacity );
 
 			if ( mImage && mImage->hasAlphaChannel() && (mImage->depth() == 32) )
 			{
-				QImage* shadowImage = createShadowImage( shadowColor );
+				QImage* shadowImage = createShadowImage( *mImage, shadowColor );
 				painter->drawImage( destRect, *shadowImage );
 				delete shadowImage;
 			}
+			else if ( mImage || mSvgRenderer || inEditor )
+			{
+				painter->setBrush( shadowColor );
+				painter->setPen( QPen( Qt::NoPen ) );
+
+				painter->drawRect( destRect );
+			}
 			else
 			{
-				if ( mImage || inEditor )
+				QString filename = mFilenameNode.text( record, variables );
+				QImage* image;
+				QSvgRenderer* svgRenderer;
+				QByteArray svg;
+				if ( readImageFile( filename, image, svgRenderer, svg ) )
 				{
-					painter->setBrush( shadowColor );
-					painter->setPen( QPen( Qt::NoPen ) );
+					if ( image && image->hasAlphaChannel() && (image->depth() == 32) )
+					{
+						QImage* shadowImage = createShadowImage( *image, shadowColor );
+						painter->drawImage( destRect, *shadowImage );
+						delete shadowImage;
+					}
+					else
+					{
+						painter->setBrush( shadowColor );
+						painter->setPen( QPen( Qt::NoPen ) );
 
-					painter->drawRect( destRect );
+						painter->drawRect( destRect );
+					}
+					if ( image )
+					{
+						delete image;
+					}
+					else
+					{
+						delete svgRenderer;
+					}
 				}
 			}
 		}
@@ -427,16 +473,70 @@ namespace glabels
 		///
 		/// Draw object itself
 		///
-		void ModelImageObject::drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelImageObject::drawObject( QPainter*      painter,
+		                                   bool           inEditor,
+		                                   merge::Record* record,
+		                                   Variables*     variables ) const
 		{
 			QRectF destRect( 0, 0, mW.pt(), mH.pt() );
 	
 			if ( inEditor && (mFilenameNode.isField() || (!mImage && !mSvgRenderer) ) )
 			{
+				//
+				// Render default place holder image
+				//
 				painter->save();
 				painter->setRenderHint( QPainter::SmoothPixmapTransform, false );
 				painter->drawImage( destRect, *smDefaultImage );
 				painter->restore();
+
+				//
+				// Print label on top of place holder image, if we have room
+				//
+				if ( (mW > 6*pad) && (mH > 4*pad) )
+				{
+					QString labelText = tr("No image");
+					if ( mFilenameNode.isField() )
+					{
+						labelText = QString( "${%1}" ).arg( mFilenameNode.data() );
+					}
+
+					// Determine font size for labelText
+					QFont font( "Sans" );
+					font.setPointSizeF( 6 );
+
+					QFontMetricsF fm( font );
+					QRectF textRect = fm.boundingRect( labelText );
+
+					double wPts = (mW - 2*pad).pt();
+					double hPts = (mH - 2*pad).pt();
+					if ( (wPts < textRect.width()) || (hPts < textRect.height()) )
+					{
+						double scaleX = wPts / textRect.width();
+						double scaleY = hPts / textRect.height();
+						font.setPointSizeF( 6 * std::min( scaleX, scaleY ) );
+					}
+
+					// Render hole for text (font size may have changed above)
+					fm = QFontMetricsF( font );
+					textRect = fm.boundingRect( labelText );
+		
+					QRectF holeRect( (mW.pt() - textRect.width())/2 - pad.pt(),
+					                 (mH.pt() - textRect.height())/2 - pad.pt(),
+					                 textRect.width() + 2*pad.pt(),
+					                 textRect.height() + 2*pad.pt() );
+
+					painter->setPen( Qt::NoPen );
+					painter->setBrush( QBrush( fillColor ) );
+					painter->drawRect( holeRect );
+
+					// Render text
+					painter->setFont( font );
+					painter->setPen( QPen( labelColor ) );
+					painter->drawText( QRectF( 0, 0, mW.pt(), mH.pt() ),
+					                   Qt::AlignCenter,
+					                   labelText );
+				}
 			}
 			else if ( mImage )
 			{
@@ -448,7 +548,23 @@ namespace glabels
 			}
 			else if ( mFilenameNode.isField() )
 			{
-				// TODO
+				QString filename = mFilenameNode.text( record, variables );
+				QImage* image;
+				QSvgRenderer* svgRenderer;
+				QByteArray svg;
+				if ( readImageFile( filename, image, svgRenderer, svg ) )
+				{
+					if ( image )
+					{
+						painter->drawImage( destRect, *image );
+						delete image;
+					}
+					else
+					{
+						svgRenderer->render( painter, destRect );
+						delete svgRenderer;
+					}
+				}
 			}
 		}
 
@@ -484,59 +600,32 @@ namespace glabels
 			if ( !mFilenameNode.isField() )
 			{
 				QString filename = mFilenameNode.data();
-				QFileInfo fileInfo( filename );
-
-				if ( fileInfo.isReadable() )
+				if ( readImageFile( filename, mImage, mSvgRenderer, mSvg ) )
 				{
-					if ( (fileInfo.suffix() == "svg") || (fileInfo.suffix() == "SVG") )
+					double aspectRatio = 0;
+					if ( mSvgRenderer )
 					{
-						QFile file( filename );
-						if ( file.open( QFile::ReadOnly ) )
-						{
-							mSvg = file.readAll();
-							file.close();
-							mSvgRenderer = new QSvgRenderer( mSvg );
-							if ( !mSvgRenderer->isValid() )
-							{
-								mSvgRenderer = nullptr;
-							}
-							else
-							{
-								// Adjust size based on aspect ratio of SVG image
-								QRectF rect = mSvgRenderer->viewBoxF();
-								double aspectRatio = rect.height() / rect.width();
-								if ( mH > mW*aspectRatio )
-								{
-									mH = mW*aspectRatio;
-								}
-								else
-								{
-									mW = mH/aspectRatio;
-								}
-							}
-						}
+						// Adjust size based on aspect ratio of SVG image
+						QRectF rect = mSvgRenderer->viewBoxF();
+						aspectRatio = rect.width() ? rect.height() / rect.width() : 0;
 					}
 					else
 					{
-						mImage = new QImage( filename );
-						if ( mImage->isNull() )
+						// Adjust size based on aspect ratio of image
+						double imageW = mImage->width();
+						double imageH = mImage->height();
+						aspectRatio = imageW ? imageH / imageW : 0;
+					}
+
+					if ( aspectRatio )
+					{
+						if ( mH > mW*aspectRatio )
 						{
-							mImage = nullptr;
+							mH = mW*aspectRatio;
 						}
 						else
 						{
-							// Adjust size based on aspect ratio of image
-							double imageW = mImage->width();
-							double imageH = mImage->height();
-							double aspectRatio = imageH / imageW;
-							if ( mH > mW*aspectRatio )
-							{
-								mH = mW*aspectRatio;
-							}
-							else
-							{
-								mW = mH/aspectRatio;
-							}
+							mW = mH/aspectRatio;
 						}
 					}
 				}
@@ -544,17 +633,75 @@ namespace glabels
 		}
 
 
+		///
+		/// Read an image or svg file
+		///
+		bool ModelImageObject::readImageFile( const QString& fileName,
+		                                      QImage*&       image,
+		                                      QSvgRenderer*& svgRenderer,
+		                                      QByteArray&    svg ) const
+		{
+			image = nullptr;
+			svgRenderer = nullptr;
+			svg.clear();
+
+			if ( !fileName.isEmpty() )
+			{
+				QFileInfo fileInfo( fileName );
+				if ( fileInfo.isRelative() )
+				{
+					// Look for image file relative to project file 1st then CWD 2nd
+					auto* model = dynamic_cast<Model*>( parent() );
+					QDir::setSearchPaths( "images", {model ? model->dirPath() : "", QDir::currentPath()} );
+					fileInfo.setFile( QString("images:") + fileName );
+				}
+
+				if ( fileInfo.isReadable() )
+				{
+					if ( fileInfo.suffix().toLower() == "svg" )
+					{
+						QFile file( fileInfo.filePath() );
+						if ( file.open( QFile::ReadOnly ) )
+						{
+							svg = file.readAll();
+							file.close();
+							svgRenderer = new QSvgRenderer( svg );
+							if ( !svgRenderer->isValid() )
+							{
+								delete svgRenderer;
+								svgRenderer = nullptr;
+								svg.clear();
+							}
+						}
+					}
+					else
+					{
+						image = new QImage( fileInfo.filePath() );
+						if ( image->isNull() )
+						{
+							delete image;
+							image = nullptr;
+						}
+					}
+				}
+			}
+
+			return image != nullptr || svgRenderer != nullptr;
+		}
+
+
 		///
 		/// Create shadow image
 		///
-		QImage* ModelImageObject::createShadowImage( const QColor& color ) const
+		QImage* ModelImageObject::createShadowImage( const QImage& image,
+		                                             const QColor& color ) const
 		{
 			int r = color.red();
 			int g = color.green();
 			int b = color.blue();
 			int a = color.alpha();
 		
-			auto* shadow = new QImage( *mImage );
+			auto* shadow = new QImage( image );
 			for ( int iy = 0; iy < shadow->height(); iy++ )
 			{
 				auto* scanLine = (QRgb*)shadow->scanLine( iy );

model/ModelImageObject.h

@@ -135,8 +135,16 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		protected:
-			void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const override;
-			void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const override;
+			void drawShadow( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
+			void drawObject( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
 			QPainterPath hoverPath( double scale ) const override;
 
 
@@ -144,7 +152,14 @@ namespace glabels
 			// Private
 			///////////////////////////////////////////////////////////////
 			void loadImage();
-			QImage* createShadowImage( const QColor& color ) const;
+
+			bool readImageFile( const QString& fileName,
+			                    QImage*&       image,
+			                    QSvgRenderer*& svgRenderer,
+			                    QByteArray&    svg ) const;
+
+			QImage* createShadowImage( const QImage& image,
+			                           const QColor& color ) const;
 	
 
 			///////////////////////////////////////////////////////////////

model/ModelLineObject.cpp

@@ -186,10 +186,13 @@ namespace glabels
 		///
 		/// Draw shadow of object
 		///
-		void ModelLineObject::drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelLineObject::drawShadow( QPainter*      painter,
+		                                  bool           inEditor,
+		                                  merge::Record* record,
+		                                  Variables*     variables ) const
 		{
-			QColor lineColor = mLineColorNode.color( record );
-			QColor shadowColor = mShadowColorNode.color( record );
+			QColor lineColor = mLineColorNode.color( record, variables );
+			QColor shadowColor = mShadowColorNode.color( record, variables );
 
 			shadowColor.setAlphaF( mShadowOpacity );
 
@@ -204,9 +207,12 @@ namespace glabels
 		///
 		/// Draw object itself
 		///
-		void ModelLineObject::drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelLineObject::drawObject( QPainter*      painter,
+		                                  bool           inEditor,
+		                                  merge::Record* record,
+		                                  Variables*     variables ) const
 		{
-			QColor lineColor = mLineColorNode.color( record );
+			QColor lineColor = mLineColorNode.color( record, variables );
 
 			painter->setPen( QPen( lineColor, mLineWidth.pt() ) );
 			painter->drawLine( 0, 0, mW.pt(), mH.pt() );

model/ModelLineObject.h

@@ -97,8 +97,16 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		protected:
-			void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const override;
-			void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const override;
+			void drawShadow( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
+			void drawObject( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+
 			QPainterPath hoverPath( double scale ) const override;
 
 

model/ModelObject.cpp

@@ -1226,7 +1226,10 @@ namespace glabels
 		///
 		/// Draw object + shadow
 		///
-		void ModelObject::draw( QPainter* painter, bool inEditor, merge::Record* record ) const
+		void ModelObject::draw( QPainter*      painter,
+		                        bool           inEditor,
+		                        merge::Record* record,
+		                        Variables*     variables ) const
 		{
 			painter->save();
 			painter->translate( mX0.pt(), mY0.pt() );
@@ -1236,12 +1239,12 @@ namespace glabels
 				painter->save();
 				painter->translate( mShadowX.pt(), mShadowY.pt() );
 				painter->setMatrix( mMatrix, true );
-				drawShadow( painter, inEditor, record );
+				drawShadow( painter, inEditor, record, variables );
 				painter->restore();
 			}
 
 			painter->setMatrix( mMatrix, true );
-			drawObject( painter, inEditor, record );
+			drawObject( painter, inEditor, record, variables );
 
 			painter->restore();
 		}

model/ModelObject.h

@@ -27,6 +27,7 @@
 #include "Handles.h"
 #include "Outline.h"
 #include "TextNode.h"
+#include "Variables.h"
 
 #include "barcode/Style.h"
 #include "merge/Record.h"
@@ -411,12 +412,24 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		public:
-			void draw( QPainter* painter, bool inEditor, merge::Record* record ) const;
+			void draw( QPainter*      painter,
+			           bool           inEditor,
+			           merge::Record* record,
+			           Variables*     variables ) const;
+			
 			void drawSelectionHighlight( QPainter* painter, double scale ) const;
 
 		protected:
-			virtual void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const = 0;
-			virtual void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const = 0;
+			virtual void drawShadow( QPainter*      painter,
+			                         bool           inEditor,
+			                         merge::Record* record,
+			                         Variables*     variables ) const = 0;
+			
+			virtual void drawObject( QPainter*      painter,
+			                         bool           inEditor,
+			                         merge::Record* record,
+			                         Variables*     variables ) const = 0;
+			
 			virtual QPainterPath hoverPath( double scale ) const = 0;
 
 			virtual void sizeUpdated();

model/ModelTextObject.cpp

@@ -519,13 +519,14 @@ namespace glabels
 		///
 		void ModelTextObject::drawShadow( QPainter*      painter,
 		                                  bool           inEditor,
-		                                  merge::Record* record ) const
+		                                  merge::Record* record,
+		                                  Variables*     variables ) const
 		{
-			QColor textColor = mTextColorNode.color( record );
+			QColor textColor = mTextColorNode.color( record, variables );
 
 			if ( textColor.alpha() )
 			{
-				QColor shadowColor = mShadowColorNode.color( record );
+				QColor shadowColor = mShadowColorNode.color( record, variables );
 				shadowColor.setAlphaF( mShadowOpacity );
 
 				if ( inEditor )
@@ -534,7 +535,7 @@ namespace glabels
 				}
 				else
 				{
-					drawText( painter, shadowColor, record );
+					drawText( painter, shadowColor, record, variables );
 				}
 			}
 		}
@@ -545,9 +546,10 @@ namespace glabels
 		///
 		void ModelTextObject::drawObject( QPainter*      painter,
 		                                  bool           inEditor,
-		                                  merge::Record* record ) const
+		                                  merge::Record* record,
+		                                  Variables*     variables ) const
 		{
-			QColor textColor = mTextColorNode.color( record );
+			QColor textColor = mTextColorNode.color( record, variables );
 
 			if ( inEditor )
 			{
@@ -555,7 +557,7 @@ namespace glabels
 			}
 			else
 			{
-				drawText( painter, textColor, record );
+				drawText( painter, textColor, record, variables );
 			}
 		}
 
@@ -697,7 +699,8 @@ namespace glabels
 		void
 		ModelTextObject::drawText( QPainter*      painter,
 		                           const QColor&  color,
-		                           merge::Record* record ) const
+		                           merge::Record* record,
+		                           Variables*     variables ) const
 		{
 			painter->save();
 
@@ -705,7 +708,7 @@ namespace glabels
 			
 			QFont font;
 			font.setFamily( mFontFamily );
-			font.setPointSizeF( mTextAutoShrink ? autoShrinkFontSize( record ) : mFontSize );
+			font.setPointSizeF( mTextAutoShrink ? autoShrinkFontSize( record, variables ) : mFontSize );
 			font.setWeight( mFontWeight );
 			font.setItalic( mFontItalicFlag );
 			font.setUnderline( mFontUnderlineFlag );
@@ -717,7 +720,7 @@ namespace glabels
 			QFontMetricsF fontMetrics( font );
 			double dy = fontMetrics.lineSpacing() * mTextLineSpacing;
 
-			QTextDocument document( mText.expand( record ) );
+			QTextDocument document( mText.expand( record, variables ) );
 
 			QList<QTextLayout*> layouts;
 
@@ -791,7 +794,7 @@ namespace glabels
 		/// Determine auto shrink font size
 		///
 		double
-		ModelTextObject::autoShrinkFontSize( merge::Record* record ) const
+		ModelTextObject::autoShrinkFontSize( merge::Record* record, Variables* variables ) const
 		{
 			QFont font;
 			font.setFamily( mFontFamily );
@@ -803,7 +806,7 @@ namespace glabels
 			textOption.setAlignment( mTextHAlign );
 			textOption.setWrapMode( mTextWrapMode );
 
-			QTextDocument document( mText.expand( record ) );
+			QTextDocument document( mText.expand( record, variables ) );
 
 			double candidateSize = mFontSize;
 			while ( candidateSize > 1.0 )

model/ModelTextObject.h

@@ -186,8 +186,16 @@ namespace glabels
 			// Drawing operations
 			///////////////////////////////////////////////////////////////
 		protected:
-			void drawShadow( QPainter* painter, bool inEditor, merge::Record* record ) const override;
-			void drawObject( QPainter* painter, bool inEditor, merge::Record* record ) const override;
+			void drawShadow( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+			
+			void drawObject( QPainter*      painter,
+			                 bool           inEditor,
+			                 merge::Record* record,
+			                 Variables*     variables ) const override;
+
 			QPainterPath hoverPath( double scale ) const override;
 
 
@@ -197,10 +205,17 @@ namespace glabels
 		private:
 			void sizeUpdated() override;
 			void update();
-			void drawTextInEditor( QPainter* painter, const QColor& color ) const;
-			void drawText( QPainter* painter, const QColor&color, merge::Record* record ) const;
-			QString expandText( QString text, merge::Record* record ) const;
-			double autoShrinkFontSize( merge::Record* record ) const;
+			
+			void drawTextInEditor( QPainter*     painter,
+			                       const QColor& color ) const;
+			
+			void drawText( QPainter*      painter,
+			               const QColor&  color,
+			               merge::Record* record,
+			               Variables*     variables ) const;
+			
+			double autoShrinkFontSize( merge::Record* record,
+			                           Variables*     variables ) const;
 	
 
 			///////////////////////////////////////////////////////////////

model/PageRenderer.cpp

@@ -47,7 +47,7 @@ namespace glabels
 
 
 		PageRenderer::PageRenderer( const Model* model )
-			: mModel(nullptr), mMerge(nullptr), mNCopies(0), mStartLabel(0), mLastLabel(0),
+			: mModel(nullptr), mMerge(nullptr), mVariables(nullptr), mNCopies(0), mStartLabel(0), mLastLabel(0),
 			  mPrintOutlines(false), mPrintCropMarks(false), mPrintReverse(false),
 			  mIPage(0), mIsMerge(false), mNPages(0), mNLabelsPerPage(0)
 		{
@@ -65,6 +65,7 @@ namespace glabels
 			connect( mModel, SIGNAL(changed()), this, SLOT(onModelChanged()) );
 	
 			onModelChanged();
+			mVariables = mModel->variables();
 		}
 
 	
@@ -246,83 +247,107 @@ namespace glabels
 
 		void PageRenderer::printSimplePage( QPainter* painter, int iPage ) const
 		{
-			int iStart = 0;
-			int iEnd = mNLabelsPerPage;
-
-			if ( iPage == 0 )
-			{
-				iStart = mStartLabel;
-			}
-
-			if ( (mLastLabel / mNLabelsPerPage) == iPage )
-			{
-				iEnd = mLastLabel % mNLabelsPerPage;
-			}
-
 			printCropMarks( painter );
 
-			for ( int i = iStart; i < iEnd; i++ )
+			int iCopy = 0;
+			int iLabel = mStartLabel;
+			int iCurrentPage = 0;
+			mVariables->resetVariables();
+
+			while ( (iCopy < mNCopies) && (iCurrentPage <= iPage) )
 			{
-				painter->save();
+				if ( iCurrentPage == iPage )
+				{
+					int i = iLabel % mNLabelsPerPage;
 					
-				painter->translate( mOrigins[i].x().pt(), mOrigins[i].y().pt() );
+					painter->save();
 
-				painter->save();
+					painter->translate( mOrigins[i].x().pt(), mOrigins[i].y().pt() );
 			
-				clipLabel( painter );
-				printLabel( painter, nullptr );
+					painter->save();
 
-				painter->restore();  // From before clip
+					clipLabel( painter );
+					printLabel( painter, nullptr, mVariables );
 
-				printOutline( painter );
+					painter->restore();  // From before clip
 
-				painter->restore();  // From before translation
+					printOutline( painter );
+			
+					painter->restore();  // From before translation
+				}
+
+				iCopy++;
+				iLabel++;
+				iCurrentPage = iLabel / mNLabelsPerPage;
+
+				mVariables->incrementVariablesOnItem();
+				mVariables->incrementVariablesOnCopy();
+				if ( (iLabel % mNLabelsPerPage) == 0 /* starting a new page */ )
+				{
+					mVariables->incrementVariablesOnPage();
+				}
 			}
 		}
 
 	
 		void PageRenderer::printMergePage( QPainter* painter, int iPage ) const
 		{
-			int iRecord = 0;
-			int iStart = 0;
-			int iEnd = mNLabelsPerPage;
-
-			if ( iPage == 0 )
-			{
-				iStart = mStartLabel;
-			}
-
-			if ( (mLastLabel / mNLabelsPerPage) == iPage )
-			{
-				iEnd = mLastLabel % mNLabelsPerPage;
-			}
-
-			const QList<merge::Record*> records = mMerge->selectedRecords();
-			if ( records.size() )
-			{
-				iRecord = (iPage*mNLabelsPerPage + iStart - mStartLabel) % records.size();
-			}
-
 			printCropMarks( painter );
 
-			for ( int i = iStart; i < iEnd; i++ )
+			int iCopy = 0;
+			int iLabel = mStartLabel;
+			int iCurrentPage = 0;
+
+			const QList<merge::Record*> records = mMerge->selectedRecords();
+			int iRecord = 0;
+			int nRecords = records.size();
+
+			if ( nRecords == 0 )
 			{
-				painter->save();
+				return;
+			}
 			
-				painter->translate( mOrigins[i].x().pt(), mOrigins[i].y().pt() );
+			mVariables->resetVariables();
 
-				painter->save();
+			while ( (iCopy < mNCopies) && (iCurrentPage <= iPage) )
+			{
+				if ( iCurrentPage == iPage )
+				{
+					int i = iLabel % mNLabelsPerPage;
 					
-				clipLabel( painter );
-				printLabel( painter, records[iRecord] );
+					painter->save();
 
-				painter->restore();  // From before clip
+					painter->translate( mOrigins[i].x().pt(), mOrigins[i].y().pt() );
 			
-				printOutline( painter );
+					painter->save();
 
-				painter->restore();  // From before translation
+					clipLabel( painter );
+					printLabel( painter, records[iRecord], mVariables );
 
-				iRecord = (iRecord + 1) % records.size();
+					painter->restore();  // From before clip
+
+					printOutline( painter );
+			
+					painter->restore();  // From before translation
+				}
+
+				iRecord = (iRecord + 1) % nRecords;
+				if ( iRecord == 0 )
+				{
+					iCopy++;
+				}
+				iLabel++;
+				iCurrentPage = iLabel / mNLabelsPerPage;
+
+				mVariables->incrementVariablesOnItem();
+				if ( iRecord == 0 )
+				{
+					mVariables->incrementVariablesOnCopy();
+				}
+				if ( (iLabel % mNLabelsPerPage) == 0 /* starting a new page */ )
+				{
+					mVariables->incrementVariablesOnPage();
+				}
 			}
 		}
 	
@@ -408,7 +433,9 @@ namespace glabels
 		}
 
 	
-		void PageRenderer::printLabel( QPainter* painter, merge::Record* record ) const
+		void PageRenderer::printLabel( QPainter*      painter,
+		                               merge::Record* record,
+		                               Variables*     variables ) const
 		{
 			painter->save();
 
@@ -424,7 +451,7 @@ namespace glabels
 				painter->scale( -1, 1 );
 			}
 
-			mModel->draw( painter, false, record );
+			mModel->draw( painter, false, record, variables );
 
 			painter->restore();
 		}

model/PageRenderer.h

@@ -23,6 +23,7 @@
 
 
 #include "Point.h"
+#include "Variables.h"
 
 #include "merge/Merge.h"
 #include "merge/Record.h"
@@ -100,7 +101,7 @@ namespace glabels
 			void printCropMarks( QPainter* painter ) const;
 			void printOutline( QPainter* painter ) const;
 			void clipLabel( QPainter* painter ) const;
-			void printLabel( QPainter* painter, merge::Record* record ) const;
+			void printLabel( QPainter* painter, merge::Record* record, Variables* variables ) const;
 
 
 			/////////////////////////////////
@@ -109,6 +110,7 @@ namespace glabels
 		private:
 			const Model*        mModel;
 			const merge::Merge* mMerge;
+			Variables*          mVariables;
 	
 			int               mNCopies;
 			int               mStartLabel;

model/RawText.cpp

@@ -66,7 +66,7 @@ namespace glabels
 		///
 		/// Expand all place holders
 		///
-		QString RawText::expand( merge::Record* record ) const
+		QString RawText::expand( merge::Record* record, Variables* variables ) const
 		{
 			QString text;
 		
@@ -74,7 +74,7 @@ namespace glabels
 			{
 				if ( token.isField )
 				{
-					text += token.field.evaluate( record );
+					text += token.field.evaluate( record, variables );
 				}
 				else
 				{

model/RawText.h

@@ -52,7 +52,7 @@ namespace glabels
 			/////////////////////////////////
 			QString toString() const;
 			std::string toStdString() const;
-			QString expand( merge::Record* record ) const;
+			QString expand( merge::Record* record, Variables* variables ) const;
 			bool hasPlaceHolders() const;
 			bool isEmpty() const;
 

model/SubstitutionField.cpp

@@ -42,21 +42,33 @@ namespace glabels
 		}
 
 
-		QString SubstitutionField::evaluate( const merge::Record* record ) const
+		QString SubstitutionField::evaluate( const merge::Record* record,
+		                                     const Variables* variables ) const
 		{
 			QString value = mDefaultValue;
 
-			if ( record && record->contains(mFieldName) && !record->value(mFieldName).isEmpty() )
+			bool haveRecordField = record &&
+				record->contains(mFieldName) &&
+				!record->value(mFieldName).isEmpty();
+			bool haveVariable = variables &&
+				variables->contains(mFieldName) &&
+				!(*variables)[mFieldName].value().isEmpty();
+
+			if ( haveRecordField )
 			{
 				value = record->value(mFieldName);
 			}
+			else if ( haveVariable )
+			{
+				value = (*variables)[mFieldName].value();
+			}
 
 			if ( !mFormatType.isNull() )
 			{
 				value = formatValue( value );
 			}
 
-			if ( record && record->contains(mFieldName) && !record->value(mFieldName).isEmpty() && mNewLine )
+			if ( mNewLine && (haveRecordField || haveVariable) )
 			{
 				value = "\n" + value;
 			}

model/SubstitutionField.h

@@ -21,6 +21,7 @@
 #ifndef model_SubstitutionField_h
 #define model_SubstitutionField_h
 
+#include "Variables.h"
 
 #include "merge/Record.h"
 
@@ -39,7 +40,7 @@ namespace glabels
 			SubstitutionField();
 			SubstitutionField( const QString& string );
 
-			QString evaluate( const merge::Record* record ) const;
+			QString evaluate( const merge::Record* record, const Variables* variables ) const;
 		
 			QString fieldName() const;
 			QString defaultValue() const;

model/TextNode.cpp

@@ -105,48 +105,34 @@ namespace glabels
 		///
 		/// Get text, expand if necessary
 		///
-		QString TextNode::text( merge::Record* record ) const
+		QString TextNode::text( const merge::Record* record,
+		                        const Variables*     variables ) const
 		{
-			if ( mIsField )
+			QString value("");
+			
+			bool haveRecordField = mIsField && record &&
+				record->contains(mData) &&
+				!record->value(mData).isEmpty();
+			bool haveVariable = mIsField && variables &&
+				variables->contains(mData) &&
+				!(*variables)[mData].value().isEmpty();
+
+			if ( haveRecordField )
 			{
-				if ( !record )
-				{
-					return QString("${%1}").arg( mData );
-				}
-				else
-				{
-					if ( record->contains( mData ) )
-					{
-						return (*record)[ mData ];
-					}
-					else
-					{
-						return "";
-					}
-				}
+				value = record->value(mData);
 			}
-			else
+			else if ( haveVariable )
 			{
-				return mData;
+				value = (*variables)[mData].value();
 			}
+			else if ( !mIsField )
+			{
+				value = mData;
+			}
+
+			return value;
 		}
 
 
-		///
-		/// Is it an empty field
-		///
-		bool TextNode::isEmptyField( merge::Record* record ) const
-		{
-			if ( record && mIsField )
-			{
-				if ( record->contains( mData ) )
-				{
-					return (*record)[mData].isEmpty();
-				}
-			}
-
-			return false;
-		}
-
 	}
 }

model/TextNode.h

@@ -22,6 +22,7 @@
 #define model_TextNode_h
 
 
+#include "Variables.h"
 #include "merge/Record.h"
 
 #include <QString>
@@ -76,8 +77,8 @@ namespace glabels
 			/////////////////////////////////
 			// Misc. Methods
 			/////////////////////////////////
-			QString text( merge::Record* record ) const;
-			bool isEmptyField( merge::Record* record ) const;
+			QString text( const merge::Record* record,
+			              const Variables*     variables ) const;
 
 
 			/////////////////////////////////

model/Variable.cpp

@@ -0,0 +1,323 @@
+/*  Variable.cpp
+ *
+ *  Copyright (C) 2013-2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Variable.h"
+
+
+namespace glabels
+{
+	namespace model
+	{
+
+		Variable::Variable()
+			: mType(Type::STRING),
+			  mIncrement(Increment::NEVER),
+			  mStepSize("0"),
+			  mIntegerValue(0),
+			  mIntegerStep(0),
+			  mFloatingPointValue(0),
+			  mFloatingPointStep(0)
+		{
+			// empty
+		}
+
+
+		Variable::Variable( Variable::Type      type,
+		                    const QString&      name,
+		                    const QString&      initialValue,
+		                    Variable::Increment increment,
+		                    const QString&      stepSize )
+			: mType(type),
+			  mName(name),
+			  mInitialValue(initialValue),
+			  mIncrement(increment),
+			  mStepSize(stepSize),
+			  mIntegerValue(0),
+			  mIntegerStep(0),
+			  mFloatingPointValue(0),
+			  mFloatingPointStep(0)
+		{
+			resetValue();
+		}
+
+
+		Variable::Type Variable::type() const
+		{
+			return mType;
+		}
+
+	
+		QString Variable::name() const
+		{
+			return mName;
+		}
+
+
+		QString Variable::initialValue() const
+		{
+			return mInitialValue;
+		}
+
+
+		Variable::Increment Variable::increment() const
+		{
+			return mIncrement;
+		}
+
+
+		QString Variable::stepSize() const
+		{
+			return mStepSize;
+		}
+
+		
+		void    Variable::resetValue()
+		{
+			switch (mType)
+			{
+			case Type::STRING:
+				// do nothing
+				break;
+			case Type::INTEGER:
+				mIntegerValue = mInitialValue.toLongLong();
+				mIntegerStep  = mStepSize.toLongLong();
+				break;
+			case Type::FLOATING_POINT:
+				mFloatingPointValue = mInitialValue.toDouble();
+				mFloatingPointStep  = mStepSize.toDouble();
+				break;
+			case Type::COLOR:
+				// do nothing
+				break;
+			}
+		}
+
+		
+		void    Variable::incrementValueOnItem()
+		{
+			if ( mIncrement == Increment::PER_ITEM )
+			{
+				switch (mType)
+				{
+				case Type::STRING:
+					// do nothing
+					break;
+				case Type::INTEGER:
+					mIntegerValue += mIntegerStep;
+					break;
+				case Type::FLOATING_POINT:
+					mFloatingPointValue += mFloatingPointStep;
+					break;
+				case Type::COLOR:
+					// do nothing
+					break;
+				}
+			}
+		}
+
+		
+		void    Variable::incrementValueOnCopy()
+		{
+			if ( mIncrement == Increment::PER_COPY )
+			{
+				switch (mType)
+				{
+				case Type::STRING:
+					// do nothing
+					break;
+				case Type::INTEGER:
+					mIntegerValue += mIntegerStep;
+					break;
+				case Type::FLOATING_POINT:
+					mFloatingPointValue += mFloatingPointStep;
+					break;
+				case Type::COLOR:
+					// do nothing
+					break;
+				}
+			}
+		}
+
+		
+		void    Variable::incrementValueOnPage()
+		{
+			if ( mIncrement == Increment::PER_PAGE )
+			{
+				switch (mType)
+				{
+				case Type::STRING:
+					// do nothing
+					break;
+				case Type::INTEGER:
+					mIntegerValue += mIntegerStep;
+					break;
+				case Type::FLOATING_POINT:
+					mFloatingPointValue += mFloatingPointStep;
+					break;
+				case Type::COLOR:
+					// do nothing
+					break;
+				}
+			}
+		}
+
+		
+		QString Variable::value() const
+		{
+			switch (mType)
+			{
+			case Type::STRING:
+				return mInitialValue;
+			case Type::INTEGER:
+				return QString::number( mIntegerValue );
+			case Type::FLOATING_POINT:
+				return QString::number( mFloatingPointValue, 'g', 15 );
+			case Type::COLOR:
+				return mInitialValue;
+			default:
+				return mInitialValue;
+			}
+		}
+
+		
+		QString Variable::typeToI18nString( Type type )
+		{
+			switch (type)
+			{
+			case Type::STRING:
+				return tr("String");
+			case Type::INTEGER:
+				return tr("Integer");
+			case Type::FLOATING_POINT:
+				return tr("Floating Point");
+			case Type::COLOR:
+				return tr("Color");
+			default:
+				return tr("String");
+			}
+		}
+
+
+		QString Variable::typeToIdString( Type type )
+		{
+			switch (type)
+			{
+			case Type::STRING:
+				return "string";
+			case Type::INTEGER:
+				return "integer";
+			case Type::FLOATING_POINT:
+				return "float";
+			case Type::COLOR:
+				return "color";
+			default:
+				return "string";
+			}
+		}
+		
+
+		Variable::Type Variable::idStringToType( const QString& id )
+		{
+			if ( id == "string" )
+			{
+				return Type::STRING;
+			}
+			else if ( id == "integer" )
+			{
+				return Type::INTEGER;
+			}
+			else if ( id == "float" )
+			{
+				return Type::FLOATING_POINT;
+			}
+			if ( id == "color" )
+			{
+				return Type::COLOR;
+			}
+			else
+			{
+				return Type::STRING; // Default
+			}
+		}
+		
+
+		QString Variable::incrementToI18nString( Increment increment )
+		{
+			switch (increment)
+			{
+			case Increment::NEVER:
+				return tr("Never");
+			case Increment::PER_ITEM:
+				return tr("Per item");
+			case Increment::PER_COPY:
+				return tr("Per copy");
+			case Increment::PER_PAGE:
+				return tr("Per page");
+			default:
+				return tr("Never");
+			}
+		}
+
+		
+		QString Variable::incrementToIdString( Increment increment )
+		{
+			switch (increment)
+			{
+			case Increment::NEVER:
+				return "never";
+			case Increment::PER_ITEM:
+				return "per_item";
+			case Increment::PER_COPY:
+				return "per_copy";
+			case Increment::PER_PAGE:
+				return "per_page";
+			default:
+				return "never";
+			}
+		}
+		
+
+		Variable::Increment Variable::idStringToIncrement( const QString& id )
+		{
+			if ( id == "never" )
+			{
+				return Increment::NEVER;
+			}
+			else if ( id == "per_item" )
+			{
+				return Increment::PER_ITEM;
+			}
+			else if ( id == "per_copy" )
+			{
+				return Increment::PER_COPY;
+			}
+			else if ( id == "per_page" )
+			{
+				return Increment::PER_PAGE;
+			}
+			else
+			{
+				return Increment::NEVER; // Default
+			}
+		}
+		
+
+	}
+}

model/Variable.h

@@ -0,0 +1,107 @@
+/*  Variable.h
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef model_Variable_h
+#define model_Variable_h
+
+
+#include <QCoreApplication>
+#include <QString>
+
+
+namespace glabels
+{
+	namespace model
+	{
+
+		class Variable
+		{
+			Q_DECLARE_TR_FUNCTIONS(Variable)
+			
+		public:
+			enum class Type
+			{
+				STRING,
+				INTEGER,
+				FLOATING_POINT,
+				COLOR
+			};
+
+			enum class Increment
+			{
+				NEVER,
+				PER_ITEM,
+				PER_COPY,
+				PER_PAGE
+			};
+			
+				
+		public:
+			Variable();
+
+			Variable( Type            type,
+			          const QString&  name,
+			          const QString&  initialValue,
+			          Increment       increment = Increment::NEVER,
+			          const QString&  stepSize = "0" );
+
+			virtual ~Variable() = default;
+
+
+			Type      type() const;
+			QString   name() const;
+			QString   initialValue() const;
+			Increment increment() const;
+			QString   stepSize() const;
+
+			void    resetValue();
+			void    incrementValueOnItem();
+			void    incrementValueOnCopy();
+			void    incrementValueOnPage();
+			QString value() const;
+
+			static QString   typeToI18nString( Type type );
+			static QString   typeToIdString( Type type );
+			static Type      idStringToType( const QString& string );
+
+			static QString   incrementToI18nString( Increment increment );
+			static QString   incrementToIdString( Increment increment );
+			static Increment idStringToIncrement( const QString& string );
+
+
+		private:
+			Type      mType;
+			QString   mName;
+			QString   mInitialValue;
+			Increment mIncrement;
+			QString   mStepSize;
+
+			long long mIntegerValue;
+			long long mIntegerStep;
+			double    mFloatingPointValue;
+			double    mFloatingPointStep;
+
+		};
+
+	}
+}
+
+
+#endif // model_Variable_h

model/Variables.cpp

@@ -0,0 +1,138 @@
+/*  Variables.cpp
+ *
+ *  Copyright (C) 2013-2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Variables.h"
+
+#include <QtDebug>
+
+
+namespace glabels
+{
+	namespace model
+	{
+		///
+		/// Copy constructor
+		///
+		Variables::Variables( const Variables* variables )
+			: QMap<QString,Variable>(*variables)
+		{
+		}
+
+
+		///
+		/// Clone
+		///
+		Variables* Variables::clone() const
+		{
+			return new Variables( this );
+		}
+
+
+		///
+		/// Do we have variable?
+		///
+		bool Variables::hasVariable( const QString& name ) const
+		{
+			return contains(name);
+		}
+
+
+		///
+		/// Add variable ( will replace if name is the same )
+		///
+		void Variables::addVariable( const Variable& variable )
+		{
+			insert( variable.name(), variable );
+			emit changed();
+		}
+
+
+		///
+		/// Delete variable
+		///
+		void Variables::deleteVariable( const QString& name )
+		{
+			remove( name );
+			emit changed();
+		}
+
+
+		///
+		/// Replace variable
+		///
+		void Variables::replaceVariable( const QString& origName, const Variable& variable )
+		{
+			remove( origName );
+			insert( variable.name(), variable );
+			emit changed();
+		}
+
+
+		///
+		/// Reset variables to their initial values
+		///
+		void Variables::resetVariables()
+		{
+			for ( auto& v : *this )
+			{
+				v.resetValue();
+			}
+		}
+
+		
+		///
+		/// Increment variables on item
+		///
+		void Variables::incrementVariablesOnItem()
+		{
+			for ( auto& v : *this )
+			{
+				v.incrementValueOnItem();
+			}
+		}
+
+		
+		///
+		/// Increment variables on copy
+		///
+		void Variables::incrementVariablesOnCopy()
+		{
+			for ( auto& v : *this )
+			{
+				v.incrementValueOnCopy();
+			}
+		}
+
+		
+		///
+		/// Increment variables on page
+		///
+		void Variables::incrementVariablesOnPage()
+		{
+			for ( auto& v : *this )
+			{
+				v.incrementValueOnPage();
+			}
+		}
+
+
+	} // namespace model
+
+} // namespace glabels

model/Variables.h

@@ -0,0 +1,90 @@
+/*  Variables.h
+ *
+ *  Copyright (C) 2013-2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef model_Variables_h
+#define model_Variables_h
+
+
+#include "Variable.h"
+
+#include <QMap>
+#include <QObject>
+#include <QString>
+
+
+namespace glabels
+{
+	namespace model
+	{
+
+		///
+		/// Variables Collection
+		///
+		class Variables : public QObject, public QMap<QString,Variable>
+		{
+			Q_OBJECT
+
+			/////////////////////////////////
+			// Life Cycle
+			/////////////////////////////////
+		public:
+			Variables() = default;
+			Variables( const Variables* variables );
+
+
+			/////////////////////////////////
+			// Object duplication
+			/////////////////////////////////
+			Variables* clone() const;
+
+
+			/////////////////////////////////
+			// Methods
+			/////////////////////////////////
+			bool hasVariable( const QString& name ) const;
+			void addVariable( const Variable& variable );
+			void deleteVariable( const QString& name );
+			void replaceVariable( const QString& name, const Variable& variable );
+
+			void resetVariables();
+			void incrementVariablesOnItem();
+			void incrementVariablesOnCopy();
+			void incrementVariablesOnPage();
+
+
+			/////////////////////////////////
+			// Signals
+			/////////////////////////////////
+		signals:
+			void changed();
+			
+
+			/////////////////////////////////
+			// Private data
+			/////////////////////////////////
+		private:
+
+		};
+
+	}
+}
+
+
+#endif // model_Variables_h

model/XmlLabelCreator.cpp

@@ -29,9 +29,12 @@
 #include "ModelImageObject.h"
 #include "ModelTextObject.h"
 #include "DataCache.h"
+#include "FileUtil.h"
+#include "Variables.h"
 #include "XmlTemplateCreator.h"
 #include "XmlUtil.h"
 
+#include "merge/Factory.h"
 #include "merge/None.h"
 
 #include <QByteArray>
@@ -48,38 +51,41 @@ namespace glabels
 	{
 
 		void
-		XmlLabelCreator::writeFile( const Model* label, const QString& fileName )
+		XmlLabelCreator::writeFile( Model* model, const QString& fileName )
 		{
-			QDomDocument doc;
-
-			createDoc( doc, label );
-			QByteArray buffer = doc.toByteArray( 2 );
-
 			QFile file( fileName );
-
 			if ( !file.open( QFile::WriteOnly | QFile::Text) )
 			{
 				qWarning() << "Error: Cannot write file " << fileName
 				           << ": " << file.errorString();
+				return;
 			}
 
+			model->setFileName( fileName );
+			model->clearModified();
+			
+			QDomDocument doc;
+			createDoc( doc, model );
+
+			QByteArray buffer = doc.toByteArray( 2 );
 			file.write( buffer.data(), buffer.size() );
 		}
 
 
 		void
-		XmlLabelCreator::writeBuffer( const Model* label, QByteArray& buffer )
+		XmlLabelCreator::writeBuffer( const Model* model, QByteArray& buffer )
 		{
 			QDomDocument doc;
 
-			createDoc( doc, label );
+			createDoc( doc, model );
 			buffer = doc.toByteArray( 2 );
 		}
 
 
 		void
 		XmlLabelCreator::serializeObjects( const QList<ModelObject*>& objects,
-		                                   QByteArray&                     buffer )
+		                                   const Model*               model,
+		                                   QByteArray&                buffer )
 		{
 			QDomDocument doc;
 
@@ -90,15 +96,15 @@ namespace glabels
 			doc.appendChild( root );
 			XmlUtil::setStringAttr( root, "version", "4.0" );
 
-			createDataNode( root, objects );
-			createObjectsNode( root, objects, false );
+			createDataNode( root, model, objects );
+			createObjectsNode( root, model, objects, false );
 
 			buffer = doc.toByteArray( 2 );
 		}
 
 
 		void
-		XmlLabelCreator::createDoc( QDomDocument& doc, const Model* label )
+		XmlLabelCreator::createDoc( QDomDocument& doc, const Model* model )
 		{
 			QDomNode xmlNode( doc.createProcessingInstruction( "xml", "version=\"1.0\"" ) );
 			doc.appendChild( xmlNode );
@@ -107,21 +113,29 @@ namespace glabels
 			doc.appendChild( root );
 			XmlUtil::setStringAttr( root, "version", "4.0" );
 
-			XmlTemplateCreator().createTemplateNode( root, label->tmplate() );
+			XmlTemplateCreator().createTemplateNode( root, model->tmplate() );
 
-			createObjectsNode( root, label->objectList(), label->rotate() );
+			createObjectsNode( root, model, model->objectList(), model->rotate() );
 
-			if ( label->merge() && !dynamic_cast<merge::None*>(label->merge()) )
+			if ( model->merge() && !dynamic_cast<merge::None*>(model->merge()) )
 			{
-				createMergeNode( root, label );
+				createMergeNode( root, model );
 			}
 
-			createDataNode( root, label->objectList() );
+			if ( model->variables()->size() != 0 )
+			{
+				createVariablesNode( root, model );
+			}
+
+			createDataNode( root, model, model->objectList() );
 		}
 
 
 		void
-		XmlLabelCreator::createObjectsNode( QDomElement &parent, const QList<ModelObject*>& objects, bool rotate )
+		XmlLabelCreator::createObjectsNode( QDomElement&               parent,
+		                                    const Model*               model,
+		                                    const QList<ModelObject*>& objects,
+		                                    bool                       rotate )
 		{
 			QDomDocument doc = parent.ownerDocument();
 			QDomElement node = doc.createElement( "Objects" );
@@ -146,7 +160,7 @@ namespace glabels
 				}
 				else if ( auto* imageObject = dynamic_cast<ModelImageObject*>(object) )
 				{
-					createObjectImageNode( node, imageObject );
+					createObjectImageNode( node, model, imageObject );
 				}
 				else if ( auto* barcodeObject = dynamic_cast<ModelBarcodeObject*>(object) )
 				{
@@ -244,7 +258,9 @@ namespace glabels
 
 
 		void
-		XmlLabelCreator::createObjectImageNode( QDomElement &parent, const ModelImageObject* object )
+		XmlLabelCreator::createObjectImageNode( QDomElement&            parent,
+		                                        const Model*            model,
+		                                        const ModelImageObject* object )
 		{
 			QDomDocument doc = parent.ownerDocument();
 			QDomElement node = doc.createElement( "Object-image" );
@@ -263,7 +279,8 @@ namespace glabels
 			}
 			else
 			{
-				XmlUtil::setStringAttr( node, "src", object->filenameNode().data() );
+				QString fn = FileUtil::makeRelativeIfInDir( model->dir(), object->filenameNode().data() );
+				XmlUtil::setStringAttr( node, "src", fn );
 			}
 
 			/* affine attrs */
@@ -453,19 +470,80 @@ namespace glabels
 
 
 		void
-		XmlLabelCreator::createMergeNode( QDomElement &parent, const Model* label )
+		XmlLabelCreator::createMergeNode( QDomElement &parent, const Model* model )
 		{
 			QDomDocument doc = parent.ownerDocument();
 			QDomElement node = doc.createElement( "Merge" );
 			parent.appendChild( node );
 
-			XmlUtil::setStringAttr( node, "type", label->merge()->id() );
-			XmlUtil::setStringAttr( node, "src", label->merge()->source() );
+			QString id = model->merge()->id();
+			QString src = model->merge()->source();
+			
+			XmlUtil::setStringAttr( node, "type", id );
+
+			switch ( merge::Factory::idToType( id ) )
+			{
+			case merge::Factory::NONE:
+			case merge::Factory::FIXED:
+				break;
+
+			case merge::Factory::FILE:
+				{
+					QString fn = FileUtil::makeRelativeIfInDir( model->dir(), src );
+					XmlUtil::setStringAttr( node, "src", fn );
+				}
+				break;
+
+			default:
+				qWarning() << "XmlLabelCreator::createMergeNode(): Should not be reached!";
+				break;
+			}
 		}
 
 
 		void
-		XmlLabelCreator::createDataNode( QDomElement &parent, const QList<ModelObject*>& objects )
+		XmlLabelCreator::createVariablesNode( QDomElement &parent, const Model* model )
+		{
+			QDomDocument doc = parent.ownerDocument();
+			QDomElement node = doc.createElement( "Variables" );
+			parent.appendChild( node );
+
+			for ( const auto& v : *model->variables() )
+			{
+				createVariableNode( node, v );
+			}
+		}
+
+
+		void
+		XmlLabelCreator::createVariableNode( QDomElement &parent, const Variable& v )
+		{
+			QDomDocument doc = parent.ownerDocument();
+			QDomElement node = doc.createElement( "Variable" );
+			parent.appendChild( node );
+
+			XmlUtil::setStringAttr( node, "type", Variable::typeToIdString( v.type() ) );
+			XmlUtil::setStringAttr( node, "name", v.name() );
+			XmlUtil::setStringAttr( node, "initialValue", v.initialValue() );
+			
+			if ( (v.type() == Variable::Type::INTEGER) ||
+			     (v.type() == Variable::Type::FLOATING_POINT) )
+			{
+				XmlUtil::setStringAttr( node, "increment",
+				                        Variable::incrementToIdString( v.increment() ) );
+				
+				if ( v.increment() != Variable::Increment::NEVER )
+				{
+					XmlUtil::setStringAttr( node, "stepSize", v.stepSize() );
+				}
+			}
+		}
+
+
+		void
+		XmlLabelCreator::createDataNode( QDomElement&               parent,
+		                                 const Model*               model,
+		                                 const QList<ModelObject*>& objects )
 		{
 			QDomDocument doc = parent.ownerDocument();
 			QDomElement node = doc.createElement( "Data" );
@@ -475,12 +553,14 @@ namespace glabels
 
 			foreach ( QString name, data.imageNames() )
 			{
-				createPngFileNode( node, name, data.getImage( name ) );
+				QString fn = FileUtil::makeRelativeIfInDir( model->dir(), name );
+				createPngFileNode( node, fn, data.getImage( name ) );
 			}
 
 			foreach ( QString name, data.svgNames() )
 			{
-				createSvgFileNode( node, name, data.getSvg( name ) );
+				QString fn = FileUtil::makeRelativeIfInDir( model->dir(), name );
+				createSvgFileNode( node, fn, data.getSvg( name ) );
 			}
 		}
 
@@ -519,7 +599,5 @@ namespace glabels
 
 			node.appendChild( doc.createCDATASection( QString( svg ) ) );
 		}
-
-
 	}
 }

model/XmlLabelCreator.h

@@ -40,6 +40,7 @@ namespace glabels
 		class ModelImageObject;
 		class ModelBarcodeObject;
 		class ModelTextObject;
+		class Variable;
 
 
 		///
@@ -50,31 +51,87 @@ namespace glabels
 			Q_OBJECT
 
 		public:
-			static void writeFile( const Model* label, const QString& fileName );
-			static void writeBuffer( const Model* label, QByteArray& buffer );
-			static void serializeObjects( const QList<ModelObject*>& objects, QByteArray& buffer );
+			static void writeFile( Model*         model,
+			                       const QString& fileName );
+			
+			static void writeBuffer( const Model* model,
+			                         QByteArray&  buffer );
+			
+			static void serializeObjects( const QList<ModelObject*>& objects,
+			                              const Model*               model,
+			                              QByteArray&                buffer );
 
 		private:
-			static void createDoc( QDomDocument& doc, const Model* label );
-			static void createRootNode( const Model* label );
-			static void createObjectsNode( QDomElement &parent, const QList<ModelObject*>& objects, bool rotate );
-			static void createObjectBoxNode( QDomElement &parent, const ModelBoxObject* object );
-			static void createObjectEllipseNode( QDomElement &parent, const ModelEllipseObject* object );
-			static void createObjectLineNode( QDomElement &parent, const ModelLineObject* object );
-			static void createObjectImageNode( QDomElement &parent, const ModelImageObject* object );
-			static void createObjectBarcodeNode( QDomElement &parent, const ModelBarcodeObject* object );
-			static void createObjectTextNode( QDomElement &parent, const ModelTextObject* object );
-			static void createPNode( QDomElement &parent, const QString& blockText );
-			static void createPositionAttrs( QDomElement &node, const ModelObject* object );
-			static void createSizeAttrs( QDomElement &node, const ModelObject* object );
-			static void createLineAttrs( QDomElement &node, const ModelObject* object );
-			static void createFillAttrs( QDomElement &node, const ModelObject* object );
-			static void createAffineAttrs( QDomElement &node, const ModelObject* object );
-			static void createShadowAttrs( QDomElement &node, const ModelObject* object );
-			static void createMergeNode( QDomElement &parent, const Model* label );
-			static void createDataNode( QDomElement &parent, const QList<ModelObject*>& objects );
-			static void createPngFileNode( QDomElement &parent, const QString& name, const QImage& image );
-			static void createSvgFileNode( QDomElement &parent, const QString& name, const QByteArray& svg );
+			static void createDoc( QDomDocument& doc,
+			                       const Model*  model );
+			
+			static void createRootNode( const Model* model );
+			
+			static void createObjectsNode( QDomElement&               parent,
+			                               const Model*               model,
+			                               const QList<ModelObject*>& objects,
+			                               bool                       rotate );
+			
+			static void createObjectBoxNode( QDomElement&          parent,
+			                                 const ModelBoxObject* object );
+			
+			static void createObjectEllipseNode( QDomElement&              parent,
+			                                     const ModelEllipseObject* object );
+			
+			static void createObjectLineNode( QDomElement&           parent,
+			                                  const ModelLineObject* object );
+			
+			static void createObjectImageNode( QDomElement&            parent,
+			                                   const Model*            model,
+			                                   const ModelImageObject* object );
+			
+			static void createObjectBarcodeNode( QDomElement&              parent,
+			                                     const ModelBarcodeObject* object );
+			
+			static void createObjectTextNode( QDomElement&           parent,
+			                                  const ModelTextObject* object );
+			
+			static void createPNode( QDomElement&   parent,
+			                         const QString& blockText );
+			
+			static void createPositionAttrs( QDomElement&       node,
+			                                 const ModelObject* object );
+			
+			static void createSizeAttrs( QDomElement&       node,
+			                             const ModelObject* object );
+			
+			static void createLineAttrs( QDomElement&       node,
+			                             const ModelObject* object );
+			
+			static void createFillAttrs( QDomElement&       node,
+			                             const ModelObject* object );
+			
+			static void createAffineAttrs( QDomElement&       node,
+			                               const ModelObject* object );
+			
+			static void createShadowAttrs( QDomElement&       node,
+			                               const ModelObject* object );
+			
+			static void createMergeNode( QDomElement& parent,
+			                             const Model* model );
+			
+			static void createVariablesNode( QDomElement& parent,
+			                                 const Model* model );
+			
+			static void createVariableNode( QDomElement&    parent,
+			                                const Variable& v );
+			
+			static void createDataNode( QDomElement&               parent,
+			                            const Model*               model,
+			                            const QList<ModelObject*>& objects );
+			
+			static void createPngFileNode( QDomElement&   parent,
+			                               const QString& name,
+			                               const QImage&  image );
+			
+			static void createSvgFileNode( QDomElement&      parent,
+			                               const QString&    name,
+			                               const QByteArray& svg );
 
 		};
 

model/XmlLabelParser.cpp

@@ -105,7 +105,7 @@ namespace glabels
 				return nullptr;
 			}
 
-			return parseRootNode( root );
+			return parseRootNode( root, fileName );
 		}
 
 
@@ -132,12 +132,12 @@ namespace glabels
 				return nullptr;
 			}
 
-			return parseRootNode( root );
+			return parseRootNode( root, QString() );
 		}
 
 
 		QList<ModelObject*>
-		XmlLabelParser::deserializeObjects( const QByteArray& buffer )
+		XmlLabelParser::deserializeObjects( const QByteArray& buffer, const Model* model )
 		{
 			QList<ModelObject*> list;
 	
@@ -167,7 +167,7 @@ namespace glabels
 			{
 				if ( child.toElement().tagName() == "Data" )
 				{
-					parseDataNode( child.toElement(), data );
+					parseDataNode( child.toElement(), model, data );
 				}
 			}
 
@@ -176,9 +176,10 @@ namespace glabels
 			{
 				if ( child.toElement().tagName() == "Objects" )
 				{
-					list = parseObjectsNode( child.toElement(), data );
+					list = parseObjectsNode( child.toElement(), model, data );
 				}
 			}
+
 			return list;
 		}
 
@@ -236,16 +237,22 @@ namespace glabels
 		
 
 		Model*
-		XmlLabelParser::parseRootNode( const QDomElement &node )
+		XmlLabelParser::parseRootNode( const QDomElement &node, const QString& fileName )
 		{
 			QString version = XmlUtil::getStringAttr( node, "version", "" );
 			if ( version != "4.0" )
 			{
 				// Attempt to import as version 3.0 format (glabels 2.0 - glabels 3.4)
-				return XmlLabelParser_3::parseRootNode(node);
+				auto* model = XmlLabelParser_3::parseRootNode( node );
+				if ( model )
+				{
+					model->setFileName( fileName );
+				}
+				return model;
 			}
 
-			auto* label = new Model();
+			auto* model = new Model();
+			model->setFileName( fileName );
 
 			/* Pass 1, extract data nodes to pre-load cache. */
 			DataCache data;
@@ -253,7 +260,7 @@ namespace glabels
 			{
 				if ( child.toElement().tagName() == "Data" )
 				{
-					parseDataNode( child.toElement(), data );
+					parseDataNode( child.toElement(), model, data );
 				}
 			}
 
@@ -268,23 +275,28 @@ namespace glabels
 					if ( tmplate == nullptr )
 					{
 						qWarning() << "Unable to parse template";
-						delete label;
+						delete model;
 						return nullptr;
 					}
-					label->setTmplate( tmplate );
+					model->setTmplate( tmplate ); // Copies arg
+					delete tmplate;
 				}
 				else if ( tagName == "Objects" )
 				{
-					label->setRotate( parseRotateAttr( child.toElement() ) );
-					QList<ModelObject*> list = parseObjectsNode( child.toElement(), data );
+					model->setRotate( parseRotateAttr( child.toElement() ) );
+					auto list = parseObjectsNode( child.toElement(), model, data );
 					foreach ( ModelObject* object, list )
 					{
-						label->addObject( object );
+						model->addObject( object );
 					}
 				}
 				else if ( tagName == "Merge" )
 				{
-					parseMergeNode( child.toElement(), label );
+					parseMergeNode( child.toElement(), model );
+				}
+				else if ( tagName == "Variables" )
+				{
+					parseVariablesNode( child.toElement(), model );
 				}
 				else if ( tagName == "Data" )
 				{
@@ -296,13 +308,15 @@ namespace glabels
 				}
 			}
 
-			label->clearModified();
-			return label;
+			model->clearModified();
+			return model;
 		}
 
 
 		QList<ModelObject*>
-		XmlLabelParser::parseObjectsNode( const QDomElement &node, const DataCache& data )
+		XmlLabelParser::parseObjectsNode( const QDomElement& node,
+		                                  const Model*       model,
+		                                  const DataCache&   data )
 		{
 			QList<ModelObject*> list;
 
@@ -328,7 +342,7 @@ namespace glabels
 				}
 				else if ( tagName == "Object-image" )
 				{
-					list.append( parseObjectImageNode( child.toElement(), data ) );
+					list.append( parseObjectImageNode( child.toElement(), model, data ) );
 				}
 				else if ( tagName == "Object-barcode" )
 				{
@@ -361,13 +375,13 @@ namespace glabels
 
 			QString  key        = XmlUtil::getStringAttr( node, "line_color_field", "" );
 			bool     field_flag = !key.isEmpty();
-			uint32_t color      = XmlUtil::getUIntAttr( node, "line_color", 0 );
+			uint32_t color      = XmlUtil::getUIntAttr( node, "line_color", 0xFF );
 			ColorNode lineColorNode( field_flag, color, key );
 
 			/* fill attrs */
 			key        = XmlUtil::getStringAttr( node, "fill_color_field", "" );
 			field_flag = !key.isEmpty();
-			color      = XmlUtil::getUIntAttr( node, "fill_color", 0 );
+			color      = XmlUtil::getUIntAttr( node, "fill_color", 0xFF );
 			ColorNode fillColorNode( field_flag, color, key );
         
 			/* affine attrs */
@@ -387,7 +401,7 @@ namespace glabels
 
 			key        = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
 			field_flag = !key.isEmpty();
-			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
+			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0xFF );
 			ColorNode shadowColorNode( field_flag, color, key );
 
 			return new ModelBoxObject( x0, y0, w, h, lockAspectRatio,
@@ -415,13 +429,13 @@ namespace glabels
 
 			QString  key        = XmlUtil::getStringAttr( node, "line_color_field", "" );
 			bool     field_flag = !key.isEmpty();
-			uint32_t color      = XmlUtil::getUIntAttr( node, "line_color", 0 );
+			uint32_t color      = XmlUtil::getUIntAttr( node, "line_color", 0xFF );
 			ColorNode lineColorNode( field_flag, color, key );
 
 			/* fill attrs */
 			key        = XmlUtil::getStringAttr( node, "fill_color_field", "" );
 			field_flag = !key.isEmpty();
-			color      = XmlUtil::getUIntAttr( node, "fill_color", 0 );
+			color      = XmlUtil::getUIntAttr( node, "fill_color", 0xFF );
 			ColorNode fillColorNode( field_flag, color, key );
         
 			/* affine attrs */
@@ -441,7 +455,7 @@ namespace glabels
 
 			key        = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
 			field_flag = !key.isEmpty();
-			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
+			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0xFF );
 			ColorNode shadowColorNode( field_flag, color, key );
 
 			return new ModelEllipseObject( x0, y0, w, h, lockAspectRatio,
@@ -468,7 +482,7 @@ namespace glabels
 
 			QString  key        = XmlUtil::getStringAttr( node, "line_color_field", "" );
 			bool     field_flag = !key.isEmpty();
-			uint32_t color      = XmlUtil::getUIntAttr( node, "line_color", 0 );
+			uint32_t color      = XmlUtil::getUIntAttr( node, "line_color", 0xFF );
 			ColorNode lineColorNode( field_flag, color, key );
 
 			/* affine attrs */
@@ -488,7 +502,7 @@ namespace glabels
 
 			key        = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
 			field_flag = !key.isEmpty();
-			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
+			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0xFF );
 			ColorNode shadowColorNode( field_flag, color, key );
 
 			return new ModelLineObject( x0, y0, dx, dy,
@@ -499,7 +513,9 @@ namespace glabels
 
 
 		ModelImageObject*
-		XmlLabelParser::parseObjectImageNode( const QDomElement &node, const DataCache& data )
+		XmlLabelParser::parseObjectImageNode( const QDomElement& node,
+		                                      const Model*       model,
+		                                      const DataCache&   data )
 		{
 			/* position attrs */
 			Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
@@ -533,7 +549,7 @@ namespace glabels
 
 			key            = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
 			field_flag     = !key.isEmpty();
-			uint32_t color = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
+			uint32_t color = XmlUtil::getUIntAttr( node, "shadow_color", 0xFF );
 			ColorNode shadowColorNode( field_flag, color, key );
 
 			if ( filenameNode.isField() )
@@ -545,17 +561,19 @@ namespace glabels
 			}
 			else
 			{
-				if ( data.hasImage( filename ) )
+				QString fn = QDir::cleanPath( model->dir().absoluteFilePath( filename ) );
+
+				if ( data.hasImage( fn ) )
 				{
 					return new ModelImageObject( x0, y0, w, h, lockAspectRatio,
-					                             filename, data.getImage( filename ),
+					                             filename, data.getImage( fn ),
 					                             QMatrix( a[0], a[1], a[2], a[3], a[4], a[5] ),
 					                             shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
 				}
-				else if ( data.hasSvg( filename ) )
+				else if ( data.hasSvg( fn ) )
 				{
 					return new ModelImageObject( x0, y0, w, h, lockAspectRatio,
-					                             filename, data.getSvg( filename ),
+					                             filename, data.getSvg( fn ),
 					                             QMatrix( a[0], a[1], a[2], a[3], a[4], a[5] ),
 					                             shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
 				}
@@ -563,7 +581,8 @@ namespace glabels
 				{
 					if ( !filename.isEmpty() )
 					{
-						qWarning() << "Embedded file" << filename << "missing. Trying actual file.";
+						qWarning() << "Embedded file" << fn << "missing. Trying actual file.";
+						filenameNode.setData( fn );
 					}
 					return new ModelImageObject( x0, y0, w, h, lockAspectRatio,
 					                             filenameNode,
@@ -594,7 +613,7 @@ namespace glabels
 
 			QString  key        = XmlUtil::getStringAttr( node, "color_field", "" );
 			bool     field_flag = !key.isEmpty();
-			uint32_t color      = XmlUtil::getUIntAttr( node, "color", 0 );
+			uint32_t color      = XmlUtil::getUIntAttr( node, "color", 0xFF );
 			ColorNode bcColorNode( field_flag, color, key );
 
 			QString bcData = XmlUtil::getStringAttr( node, "data", "" );
@@ -629,7 +648,7 @@ namespace glabels
 			/* color attr */
 			QString  key        = XmlUtil::getStringAttr( node, "color_field", "" );
 			bool     field_flag = !key.isEmpty();
-			uint32_t color      = XmlUtil::getUIntAttr( node, "color", 0 );
+			uint32_t color      = XmlUtil::getUIntAttr( node, "color", 0xFF );
 			ColorNode textColorNode( field_flag, color, key );
 
 			/* font attrs */
@@ -663,7 +682,7 @@ namespace glabels
 
 			key        = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
 			field_flag = !key.isEmpty();
-			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
+			color      = XmlUtil::getUIntAttr( node, "shadow_color", 0xFF );
 			ColorNode shadowColorNode( field_flag, color, key );
 
 			/* deserialize contents. */
@@ -715,28 +734,45 @@ namespace glabels
 
 	
 		void
-		XmlLabelParser::parseMergeNode( const QDomElement &node, Model* label )
+		XmlLabelParser::parseMergeNode( const QDomElement &node, Model* model )
 		{
-			QString type = XmlUtil::getStringAttr( node, "type", "None" );
-			QString src  = XmlUtil::getStringAttr( node, "src", "" );
+			QString id  = XmlUtil::getStringAttr( node, "type", "None" );
+			QString src = XmlUtil::getStringAttr( node, "src", "" );
 
-			merge::Merge* merge = merge::Factory::createMerge( type );
-			merge->setSource( src );
+			merge::Merge* merge = merge::Factory::createMerge( id );
 
-			label->setMerge( merge );
+			switch ( merge::Factory::idToType( id ) )
+			{
+			case merge::Factory::NONE:
+			case merge::Factory::FIXED:
+				break;
+
+			case merge::Factory::FILE:
+				{
+					QString fn = QDir::cleanPath( model->dir().absoluteFilePath( src ) );
+					merge->setSource( fn );
+				}
+				break;
+
+			default:
+				qWarning() << "XmlLabelParser::parseMergeNode(): Should not be reached!";
+				break;
+			}
+
+			model->setMerge( merge );
 		}
 
 
 		void
-		XmlLabelParser::parseDataNode( const QDomElement &node, DataCache& data )
+		XmlLabelParser::parseVariablesNode( const QDomElement &node, Model* model )
 		{
 			for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
 			{
 				QString tagName = child.toElement().tagName();
 		
-				if ( tagName == "File" )
+				if ( tagName == "Variable" )
 				{
-					parseFileNode( child.toElement(), data );
+					parseVariableNode( child.toElement(), model );
 				}
 				else if ( !child.isComment() )
 				{
@@ -747,19 +783,55 @@ namespace glabels
 
 
 		void
-		XmlLabelParser::parsePixdataNode( const QDomElement& node, DataCache& data )
+		XmlLabelParser::parseVariableNode( const QDomElement &node, Model* model )
 		{
-			// TODO, compatibility with glabels-3
+			QString typeString      = XmlUtil::getStringAttr( node, "type", "string" );
+			QString name            = XmlUtil::getStringAttr( node, "name", "unknown" );
+			QString initialValue    = XmlUtil::getStringAttr( node, "initialValue", "0" );
+			QString incrementString = XmlUtil::getStringAttr( node, "increment", "never" );
+			QString stepSize        = XmlUtil::getStringAttr( node, "stepSize", "0" );
+
+			auto type      = Variable::idStringToType( typeString );
+			auto increment = Variable::idStringToIncrement( incrementString );
+
+			Variable v( type, name, initialValue, increment, stepSize );
+			model->variables()->addVariable( v );
 		}
 
 
 		void
-		XmlLabelParser::parseFileNode( const QDomElement& node, DataCache& data )
+		XmlLabelParser::parseDataNode( const QDomElement &node,
+		                               const Model*       model,
+		                               DataCache&         data )
+		{
+			for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
+			{
+				QString tagName = child.toElement().tagName();
+
+				if ( tagName == "File" )
+				{
+					parseFileNode( child.toElement(), model, data );
+				}
+				else if ( !child.isComment() )
+				{
+					qWarning() << "Unexpected" << node.tagName() << "child:" << tagName;
+				}
+			}
+		}
+
+
+		void
+		XmlLabelParser::parseFileNode( const QDomElement& node,
+		                               const Model*       model,
+		                               DataCache&         data )
 		{
 			QString name     = XmlUtil::getStringAttr( node, "name", "" );
 			QString mimetype = XmlUtil::getStringAttr( node, "mimetype", "image/png" );
 			QString encoding = XmlUtil::getStringAttr( node, "encoding", "base64" );
 
+			// Rewrite name as absolute file path
+			QString fn = QDir::cleanPath( model->dir().absoluteFilePath( name ) );
+
 			if ( mimetype == "image/png" )
 			{
 				if ( encoding == "base64" )
@@ -769,7 +841,7 @@ namespace glabels
 					QImage image;
 					image.loadFromData( ba, "PNG" );
 
-					data.addImage( name, image );
+					data.addImage( fn, image );
 				}
 				else
 				{
@@ -778,7 +850,7 @@ namespace glabels
 			}
 			else if ( mimetype == "image/svg+xml" )
 			{
-				data.addSvg( name, node.text().toUtf8() );
+				data.addSvg( fn, node.text().toUtf8() );
 			}
 		}
 

model/XmlLabelParser.h

@@ -52,25 +52,57 @@ namespace glabels
 
 		public:
 			static Model* readFile( const QString& fileName );
+
 			static Model* readBuffer( const QByteArray& buffer );
-			static QList<ModelObject*> deserializeObjects( const QByteArray& buffer );
+
+			static QList<ModelObject*> deserializeObjects( const QByteArray& buffer,
+			                                               const Model*      model );
 
 		private:
-			static void gunzip( const QByteArray& gzippedData, QByteArray& data );
-			static Model* parseRootNode( const QDomElement &node );
-			static QList<ModelObject*> parseObjectsNode( const QDomElement &node, const DataCache& data );
-			static ModelBoxObject* parseObjectBoxNode( const QDomElement &node );
-			static ModelEllipseObject* parseObjectEllipseNode( const QDomElement &node );
-			static ModelLineObject* parseObjectLineNode( const QDomElement &node );
-			static ModelImageObject* parseObjectImageNode( const QDomElement &node, const DataCache& data );
-			static ModelBarcodeObject* parseObjectBarcodeNode( const QDomElement &node );
-			static ModelTextObject* parseObjectTextNode( const QDomElement &node );
-			static QString parsePNode( const QDomElement &node );
-			static bool parseRotateAttr( const QDomElement &node );
-			static void parseMergeNode( const QDomElement &node, Model* label );
-			static void parseDataNode( const QDomElement &node, DataCache& data );
-			static void parsePixdataNode( const QDomElement &node, DataCache& data );
-			static void parseFileNode( const QDomElement &node, DataCache& data );
+			static void gunzip( const QByteArray& gzippedData,
+			                    QByteArray&       data );
+			
+			static Model* parseRootNode( const QDomElement& node,
+			                             const QString&     fileName );
+			
+			static QList<ModelObject*> parseObjectsNode( const QDomElement& node,
+			                                             const Model*       model,
+			                                             const DataCache&   data );
+			
+			static ModelBoxObject* parseObjectBoxNode( const QDomElement& node );
+			
+			static ModelEllipseObject* parseObjectEllipseNode( const QDomElement& node );
+			
+			static ModelLineObject* parseObjectLineNode( const QDomElement& node );
+			
+			static ModelImageObject* parseObjectImageNode( const QDomElement& node,
+			                                               const Model*       model,
+			                                               const DataCache&   data );
+			
+			static ModelBarcodeObject* parseObjectBarcodeNode( const QDomElement& node );
+			
+			static ModelTextObject* parseObjectTextNode( const QDomElement& node );
+			
+			static QString parsePNode( const QDomElement& node );
+			
+			static bool parseRotateAttr( const QDomElement& node );
+			
+			static void parseMergeNode( const QDomElement& node,
+			                            Model*             model );
+			
+			static void parseVariablesNode( const QDomElement& node,
+			                                Model*             model );
+			
+			static void parseVariableNode( const QDomElement& node,
+			                               Model*             model );
+			
+			static void parseDataNode( const QDomElement& node,
+			                           const Model*       model,
+			                           DataCache&         data );
+			
+			static void parseFileNode( const QDomElement& node,
+			                           const Model*       model,
+			                           DataCache&         data );
 
 		};
 

model/XmlLabelParser_3.cpp

@@ -111,7 +111,8 @@ namespace glabels
 						delete label;
 						return nullptr;
 					}
-					label->setTmplate( tmplate );
+					label->setTmplate( tmplate ); // Copies arg
+					delete tmplate;
 				}
 				else if ( tagName == "Objects" )
 				{
@@ -396,10 +397,34 @@ namespace glabels
 			const Distance h = XmlUtil::getLengthAttr( node, "h", 0 );
 
 			/* barcode attrs */
-			const auto backend = XmlUtil::getStringAttr( node, "backend", "");
+			auto backend = XmlUtil::getStringAttr( node, "backend", "" );
 			// one major difference between glabels-3.0.dtd and glabels-4.0.dtd
 			// is the lowercase of the style names
-			const auto style = XmlUtil::getStringAttr( node, "style", "").toLower();
+			auto style = XmlUtil::getStringAttr( node, "style", "" ).toLower();
+
+			if ( backend == "built-in" )
+			{
+				backend = "";
+			}
+			else if ( backend == "libiec16022" )
+			{
+				backend = "";
+				style = "datamatrix";
+			}
+			else if ( backend == "libqrencode" )
+			{
+				if ( barcode::Backends::style( "qrencode", "qrcode" ) != barcode::Backends::defaultStyle() )
+				{
+					backend = "qrencode";
+					style = "qrcode";
+				}
+				else
+				{
+					// Will use defaultStyle if Zint not available
+					backend = "zint";
+					style = "qr";
+				}
+			}
 
 			const barcode::Style bcStyle = barcode::Backends::style( backend, style );
 			const bool bcTextFlag = XmlUtil::getBoolAttr( node, "text", true );

model/unit_tests/CMakeLists.txt

@@ -32,6 +32,14 @@ if (Qt5Test_FOUND)
   target_link_libraries (TestColorNode Model Qt5::Test)
   add_test (NAME ColorNode COMMAND TestColorNode)
 
+  #=======================================
+  # Test FileUtil class
+  #=======================================
+  qt5_wrap_cpp (TestFileUtil_moc_sources TestFileUtil.h)
+  add_executable (TestFileUtil TestFileUtil.cpp ${TestFileUtil_moc_sources})
+  target_link_libraries (TestFileUtil Model Qt5::Test)
+  add_test (NAME FileUtil COMMAND TestFileUtil)
+
   #=======================================
   # Test Merge classes
   #=======================================
@@ -48,6 +56,14 @@ if (Qt5Test_FOUND)
   target_link_libraries (TestModel Model Qt5::Test)
   add_test (NAME Model COMMAND TestModel)
 
+  #=======================================
+  # Test ModelImageObject class
+  #=======================================
+  qt5_wrap_cpp (TestModelImageObject_moc_sources TestModelImageObject.h)
+  add_executable (TestModelImageObject TestModelImageObject.cpp ${TestModelImageObject_moc_sources})
+  target_link_libraries (TestModelImageObject Model Qt5::Test)
+  add_test (NAME ModelImageObject COMMAND TestModelImageObject)
+
   #=======================================
   # Test RawText class
   #=======================================
@@ -64,4 +80,20 @@ if (Qt5Test_FOUND)
   target_link_libraries (TestTextNode Model Qt5::Test)
   add_test (NAME TextNode COMMAND TestTextNode)
 
+  #=======================================
+  # Test Variable class
+  #=======================================
+  qt5_wrap_cpp (TestVariable_moc_sources TestVariable.h)
+  add_executable (TestVariable TestVariable.cpp ${TestVariable_moc_sources})
+  target_link_libraries (TestVariable Model Qt5::Test)
+  add_test (NAME Variable COMMAND TestVariable)
+
+  #=======================================
+  # Test Variables class
+  #=======================================
+  qt5_wrap_cpp (TestVariables_moc_sources TestVariables.h)
+  add_executable (TestVariables TestVariables.cpp ${TestVariables_moc_sources})
+  target_link_libraries (TestVariables Model Qt5::Test)
+  add_test (NAME Variables COMMAND TestVariables)
+
 endif (Qt5Test_FOUND)

model/unit_tests/TestColorNode.cpp

@@ -22,8 +22,6 @@
 
 #include "model/ColorNode.h"
 
-#include "merge/Record.h"
-
 #include <QtDebug>
 
 
@@ -45,16 +43,20 @@ void TestColorNode::colorNode()
 	QColor white = QColor::fromRgba( rgbaWhite );
 	QColor red = QColor::fromRgba( qRgbaRed );
 	QColor green80 = QColor::fromRgba( qRgbaGreen80 );
+	QColor silver80 = QColor( 192, 192, 192, 128 );
 
 	Record record;
+	Variables vars;
 
 	ColorNode colorNode;
 	QVERIFY( !colorNode.isField() );
 	QCOMPARE( colorNode.color(), blackTransparent );
 	QCOMPARE( colorNode.key(), QString( "" ) );
 	QCOMPARE( colorNode.rgba(), rgbaBlackTransparent );
-	QCOMPARE( colorNode.color( nullptr ), blackTransparent );
-	QCOMPARE( colorNode.color( &record ), blackTransparent );
+	QCOMPARE( colorNode.color( nullptr, nullptr ), blackTransparent );
+	QCOMPARE( colorNode.color( &record, nullptr ), blackTransparent );
+	QCOMPARE( colorNode.color( nullptr, &vars ), blackTransparent );
+	QCOMPARE( colorNode.color( &record, &vars ), blackTransparent );
 
 	colorNode.setField( true );
 	QVERIFY( colorNode.isField() );
@@ -64,8 +66,10 @@ void TestColorNode::colorNode()
 	colorNode.setColor( white );
 	QCOMPARE( colorNode.color(), white );
 	QCOMPARE( colorNode.rgba(), rgbaWhite );
-	QCOMPARE( colorNode.color( nullptr ), white );
-	QCOMPARE( colorNode.color( &record ), white );
+	QCOMPARE( colorNode.color( nullptr, nullptr ), white );
+	QCOMPARE( colorNode.color( &record, nullptr ), white );
+	QCOMPARE( colorNode.color( nullptr, &vars ), white );
+	QCOMPARE( colorNode.color( &record, &vars ), white );
 
 	colorNode.setKey( "key1" );
 	QCOMPARE( colorNode.key(), QString( "key1" ) );
@@ -98,32 +102,76 @@ void TestColorNode::colorNode()
 	colorNode.setColor( red );
 	QVERIFY( colorNode3 == colorNode );
 
+	///
+	/// Record
+	///
 	colorNode = ColorNode( QString( "key1" ) );
 	QVERIFY( colorNode.isField() ); // Defaults to true if given key only
 	QCOMPARE( colorNode.key(), QString( "key1" ) );
 	QCOMPARE( colorNode.color(), blackTransparent );
-	QCOMPARE( colorNode.color( &record ), blackTransparent );
+	QCOMPARE( colorNode.color( &record, &vars ), silver80 ); // Defaults to silver if given non-matching record/variables
 
-	///
-	/// Record
-	///
 	record["key1"] = "white";
-	QCOMPARE( colorNode.color( &record ), white );
+	QCOMPARE( colorNode.color( &record, nullptr ), white );
 
 	record["key1"] = "red";
-	QCOMPARE( colorNode.color( &record ), red );
+	QCOMPARE( colorNode.color( &record, nullptr ), red );
 
 	record["key1"] = "#FF0000";
-	QCOMPARE( colorNode.color( &record ), red );
+	QCOMPARE( colorNode.color( &record, nullptr ), red );
 
 	record["key1"] = "#FFFF0000"; // ARGB
-	QCOMPARE( colorNode.color( &record ), red );
+	QCOMPARE( colorNode.color( &record, nullptr ), red );
 
 	record["key1"] = "#8000FF00";
-	QCOMPARE( colorNode.color( &record ), green80 );
+	QCOMPARE( colorNode.color( &record, nullptr ), green80 );
 
 	colorNode.setKey( "key2" );
-	QCOMPARE( colorNode.color( &record ), blackTransparent );
+	QCOMPARE( colorNode.color( &record, nullptr ), silver80 );
 	record["key2"] = "#8000FF00";
-	QCOMPARE( colorNode.color( &record ), green80 );
+	QCOMPARE( colorNode.color( &record, nullptr ), green80 );
+
+	///
+	/// Variable
+	///
+	colorNode = ColorNode( QString( "c1" ) );
+	QVERIFY( colorNode.isField() ); // Defaults to true if given key only
+	QCOMPARE( colorNode.key(), QString( "c1" ) );
+	QCOMPARE( colorNode.color(), blackTransparent );
+	QCOMPARE( colorNode.color( &record, &vars ), silver80 ); // Defaults to silver if given non-matching record/variables
+
+	{
+		Variable c1( Variable::Type::COLOR, "c1", "white", Variable::Increment::PER_ITEM );
+		vars.addVariable( c1 );
+	}
+	QCOMPARE( colorNode.color( nullptr, &vars ), white );
+	vars.incrementVariablesOnItem();
+	QCOMPARE( colorNode.color( nullptr, &vars ), white );
+
+	{
+		Variable c1( Variable::Type::COLOR, "c1", "red", Variable::Increment::PER_ITEM );
+		vars.addVariable( c1 );
+	}
+	QCOMPARE( colorNode.color( nullptr, &vars ), red );
+
+	{
+		Variable c1( Variable::Type::COLOR, "c1", "#8000FF00", Variable::Increment::PER_ITEM );
+		vars.addVariable( c1 );
+	}
+	QCOMPARE( colorNode.color( nullptr, &vars ), green80 );
+
+	colorNode.setKey( "c2" );
+	QCOMPARE( colorNode.color( &record, nullptr ), silver80 );
+
+	{
+		Variable c2( Variable::Type::COLOR, "c2", "#8000FF00", Variable::Increment::PER_ITEM );
+		vars.addVariable( c2 );
+	}
+	QCOMPARE( colorNode.color( nullptr, &vars ), green80 );
+
+	///
+	/// Record beats variable
+	///
+	record["c2"] = "red";
+	QCOMPARE( colorNode.color( &record, &vars ), red );
 }

model/unit_tests/TestFileUtil.cpp

@@ -0,0 +1,104 @@
+/*  TestFileUtil.cpp
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "TestFileUtil.h"
+
+#include "model/FileUtil.h"
+
+#include <QtDebug>
+
+
+QTEST_MAIN(TestFileUtil)
+
+using namespace glabels::model;
+
+
+void TestFileUtil::addExtension()
+{
+	QCOMPARE( FileUtil::addExtension( "/tmp/file", ".ext" ), QString( "/tmp/file.ext" ) );
+	QCOMPARE( FileUtil::addExtension( "/tmp/file.ext", ".ext" ), QString( "/tmp/file.ext" ) );
+	QCOMPARE( FileUtil::addExtension( "/tmp/file.ext", ".txt" ), QString( "/tmp/file.ext.txt" ) );
+	QCOMPARE( FileUtil::addExtension( "/tmp/file", "txt" ), QString( "/tmp/filetxt" ) );
+	QCOMPARE( FileUtil::addExtension( "/tmp/filetxt", "txt" ), QString( "/tmp/filetxt" ) );
+}
+
+
+void TestFileUtil::systemTemplatesDir()
+{
+	QDir dir = FileUtil::systemTemplatesDir();
+	QVERIFY( dir.exists() );
+	QVERIFY( dir.isReadable() );
+	QVERIFY( dir.path().endsWith( "templates" ) );
+}
+
+
+void TestFileUtil::manualUserTemplatesDir()
+{
+	QDir dir = FileUtil::manualUserTemplatesDir();
+	QVERIFY( dir.exists() );
+	QVERIFY( dir.isReadable() );
+	QVERIFY( dir.path().endsWith( ".glabels" ) );
+}
+
+
+void TestFileUtil::userTemplatesDir()
+{
+	QDir dir = FileUtil::userTemplatesDir();
+	QVERIFY( dir.exists() );
+	QVERIFY( dir.isReadable() );
+	QFileInfo fileInfo( dir.path() );
+	QVERIFY( fileInfo.isWritable() );
+}
+
+
+void TestFileUtil::translationsDir()
+{
+	QDir dir = FileUtil::translationsDir();
+	QVERIFY( dir.exists() );
+	QVERIFY( dir.isReadable() );
+	QVERIFY( dir.path().endsWith( "translations" ) );
+}
+
+
+void TestFileUtil::makeRelativeIfInDir_data()
+{
+	QTest::addColumn<QString>( "dir" );
+	QTest::addColumn<QString>( "filename" );
+	QTest::addColumn<QString>( "expected" );
+
+	QTest::newRow( "1" ) << "/dir/subdir" << "/dir/subdir/filename" << "filename";
+	QTest::newRow( "2" ) << "/dir/subdir" << "filename" << "filename";
+	QTest::newRow( "3" ) << "/dir" << "subdir/filename" << "subdir/filename";
+	QTest::newRow( "4" ) << "/dir" << "/dir/subdir/subdir/filename" << "subdir/subdir/filename";
+	QTest::newRow( "5" ) << "/dir/subdir" << "/dir/subdir/subdir/filename" << "subdir/filename";
+	QTest::newRow( "6" ) << "/dir/subdir" << "/dir/subdir2/filename" << "/dir/subdir2/filename";
+	QTest::newRow( "7" ) << "/dir2/subdir" << "/dir/subdir/filename" << "/dir/subdir/filename";
+	QTest::newRow( "8" ) << "/dir/subdir" << "/dir/filename" << "/dir/filename";
+}
+
+
+void TestFileUtil::makeRelativeIfInDir()
+{
+	QFETCH( QString, dir );
+	QFETCH( QString, filename );
+	QFETCH( QString, expected );
+
+	QCOMPARE( FileUtil::makeRelativeIfInDir( QDir( dir ), filename ), expected );
+}

model/unit_tests/TestFileUtil.h

@@ -0,0 +1,36 @@
+/*  TestFileUtil.h
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QtTest/QtTest>
+
+
+class TestFileUtil : public QObject
+{
+	Q_OBJECT
+
+private slots:
+	void addExtension();
+	void systemTemplatesDir();
+	void manualUserTemplatesDir();
+	void userTemplatesDir();
+	void translationsDir();
+	void makeRelativeIfInDir_data();
+	void makeRelativeIfInDir();
+};

model/unit_tests/TestModel.cpp

@@ -318,6 +318,19 @@ void TestModel::saveRestore()
 	QCOMPARE( model->merge(), merge );
 	QVERIFY( model->isModified() );
 
+	//
+	// Add some variables
+	//
+	model->clearModified();
+	QVERIFY( !model->isModified() );
+
+	Variable i( Variable::Type::INTEGER, "i", "2", Variable::Increment::PER_ITEM, "2" );
+	Variable f( Variable::Type::FLOATING_POINT, "f", "6.54", Variable::Increment::PER_COPY, "0.12" );
+	model->variables()->addVariable( i );
+	QVERIFY( model->isModified() );
+	model->variables()->addVariable( f );
+	QVERIFY( model->isModified() );
+
 	model->clearModified();
 	QVERIFY( !model->isModified() );
 
@@ -361,6 +374,7 @@ void TestModel::saveRestore()
 	Model* saved = model->save();
 	QVERIFY( saved->isModified() );
 	QCOMPARE( saved->merge(), model->merge() ); // Shared
+	QCOMPARE( saved->variables(), model->variables() ); // Shared
 	QCOMPARE( saved->isModified(), model->isModified() );
 	QCOMPARE( saved->shortName(), modelShortName );
 	QCOMPARE( saved->shortName(), model->shortName() );
@@ -410,6 +424,10 @@ void TestModel::saveRestore()
 	Model* modified = model->save();
 	QCOMPARE( modified->merge(), merge2 ); // Shared
 
+	Variable c( Variable::Type::COLOR, "c", "blue", Variable::Increment::PER_PAGE );
+	model->variables()->addVariable( c );
+	QCOMPARE( model->variables(), saved->variables() ); // Shared.
+
 	// Verify differences
 	QVERIFY( model->shortName() != modelShortName );
 	QVERIFY( model->shortName() != saved->shortName() );
@@ -442,6 +460,7 @@ void TestModel::saveRestore()
 
 	QCOMPARE( model->merge(), merge2 ); // Unchanged
 	QVERIFY( model->merge() != saved->merge() ); // NOTE saved->merge() now points to deleted object
+	QCOMPARE( model->variables(), saved->variables() ); // Unchanged
 
 	// Unrestore
 	model->restore( modified );
@@ -457,6 +476,7 @@ void TestModel::saveRestore()
 	QVERIFY( model->objectList().at(0)->x0() != saved->objectList().at(0)->x0() );
 	QVERIFY( model->objectList().at(0)->y0() != saved->objectList().at(0)->y0() );
 	QCOMPARE( model->merge(), merge2 ); // Same
+	QCOMPARE( model->variables(), saved->variables() ); // Same
 
 	QCOMPARE( model->shortName(), modified->shortName() );
 	QCOMPARE( model->fileName(), modified->fileName() );
@@ -469,6 +489,7 @@ void TestModel::saveRestore()
 	QCOMPARE( model->objectList().at(0)->y0(), modified->objectList().at(0)->y0() );
 
 	delete model->merge(); // Final instance owned by us
+	delete model->variables(); // Instance owned by us
 	delete model;
 	delete saved;
 	delete modified;

model/unit_tests/TestModelImageObject.cpp

@@ -0,0 +1,252 @@
+/*  TestModelImageObject.cpp
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "TestModelImageObject.h"
+#include "Test_Constants.h"
+
+#include "model/Model.h"
+#include "model/ModelImageObject.h"
+#include "model/Size.h"
+
+#include "merge/Factory.h"
+#include "merge/TextCsvKeys.h"
+#include "merge/Record.h"
+
+#include <QtDebug>
+
+
+QTEST_MAIN(TestModelImageObject)
+
+using namespace glabels::model;
+using namespace glabels::merge;
+
+
+void TestModelImageObject::initTestCase()
+{
+	Factory::init();
+}
+
+
+void TestModelImageObject::readImageFile()
+{
+	QByteArray pngArray;
+	QImage png;
+	QString svgTemplate = QDir::tempPath().append( "/TestModelImageObject_XXXXXX.svg" ); // Note: directory separators canonicalized to slash by Qt path methods
+
+	Model model;
+
+	// Needed for relative file names to work
+	QString modelFileName = QDir::tempPath().append( "/TestModelImageObject.glabels" );
+	model.setFileName( modelFileName );
+
+	ModelImageObject object;
+
+	///
+	/// Merge object, no shadow
+	///
+	object.setX0( 1 );
+	object.setY0( 1 );
+	object.setSize( 8, 8 );
+	object.setFilenameNode( TextNode( true, "image" ) );
+
+	model.addObject( object.clone() );
+
+	///
+	/// Variable object, green pgn, gray shadow
+	///
+	object.setY0( 11 );
+	object.setShadow( true );
+	object.setShadowColorNode( ColorNode( Qt::gray ) );
+	object.setShadowOpacity( 1 );
+	TextNode( true, "var" );
+	object.setFilenameNode( TextNode( true, "var" ) );
+
+	// Green 8x8 square pgn
+	pngArray = QByteArray::fromBase64( glabels::test::green_8x8_png );
+	QVERIFY( png.loadFromData( pngArray, "PNG" ) );
+	QTemporaryFile pngGreen; pngGreen.open(); pngGreen.close(); png.save( pngGreen.fileName(), "PNG" );
+	QFileInfo pngGreenFileInfo( pngGreen.fileName() );
+
+	Variable var( Variable::Type::STRING, "var", pngGreenFileInfo.fileName(), Variable::Increment::PER_ITEM ); // Relative path
+	model.variables()->addVariable( var );
+
+	model.addObject( object.clone() );
+
+	///
+	/// Variable object 2, magenta svg, yellow shadow
+	///
+	object.setY0( 21 );
+	object.setShadow( true );
+	object.setShadowColorNode( ColorNode( Qt::yellow ) );
+	object.setShadowOpacity( 1 );
+	object.setFilenameNode( TextNode( true, "var2" ) );
+
+	// Magenta 8x8 square svg
+	QTemporaryFile svgMagenta( svgTemplate ); svgMagenta.open(); svgMagenta.write( glabels::test::magenta_8x8_svg ); svgMagenta.close();
+	QFileInfo svgMagentaFileInfo( svgMagenta.fileName() );
+
+	Variable var2( Variable::Type::STRING, "var2", svgMagentaFileInfo.fileName(), Variable::Increment::PER_ITEM ); // Absolute path
+	model.variables()->addVariable( var2 );
+
+	model.addObject( object.clone() );
+
+	///
+	/// Filename object, yellow png, cyan shadow
+	///
+	object.setY0( 31 );
+	object.setShadow( true );
+	object.setShadowColorNode( ColorNode( Qt::cyan ) );
+	object.setShadowOpacity( 1 );
+
+	// Yellow 8x8 square pgn
+	pngArray = QByteArray::fromBase64( glabels::test::yellow_8x8_png );
+	QVERIFY( png.loadFromData( pngArray, "PNG" ) );
+	QTemporaryFile pngYellowFile; pngYellowFile.open(); pngYellowFile.close(); png.save( pngYellowFile.fileName(), "PNG" );
+
+	QFileInfo pngYellowFileInfo( pngYellowFile.fileName() );
+
+	// Need to set object parent for relative paths to work
+	object.setParent( &model );
+
+	object.setFilenameNode( TextNode( false, pngYellowFileInfo.fileName() ) ); // Relative path
+
+	model.addObject( object.clone() );
+
+	///
+	/// Filename object, cyan svg, magenta shadow
+	///
+	object.setY0( 41 );
+	object.setSize( 8, 8 );
+	object.setShadow( true );
+	object.setShadowColorNode( ColorNode( Qt::magenta ) );
+	object.setShadowOpacity( 1 );
+
+	// Cyan 8x8 square svg
+	QTemporaryFile svgCyanFile( svgTemplate ); svgCyanFile.open(); svgCyanFile.write( glabels::test::cyan_8x8_svg ); svgCyanFile.close();
+
+	QFileInfo svgCyanFileInfo( svgCyanFile.fileName() );
+	object.setFilenameNode( TextNode( false, svgCyanFileInfo.filePath() ) ); // Absolute path
+
+	model.addObject( object.clone() );
+
+	///
+	/// Set up merge
+	///
+
+	// Blue 8x8 square pgn
+	pngArray = QByteArray::fromBase64( glabels::test::blue_8x8_png );
+	QVERIFY( png.loadFromData( pngArray, "PNG" ) );
+	QTemporaryFile png1; png1.open(); png1.close(); png.save( png1.fileName(), "PNG" );
+	QTemporaryFile png2; png2.open(); png2.close(); png.save( png2.fileName(), "PNG" );
+
+	// Red 8x8 square svg
+	QTemporaryFile svg1( svgTemplate ); svg1.open(); svg1.write( glabels::test::red_8x8_svg ); svg1.close();
+	QTemporaryFile svg2( svgTemplate ); svg2.open(); svg2.write( glabels::test::red_8x8_svg ); svg2.close();
+
+	QFileInfo png1FileInfo( png1.fileName() );
+	QFileInfo png2FileInfo( png2.fileName() );
+	QFileInfo svg1FileInfo( svg1.fileName() );
+	QFileInfo svg2FileInfo( svg2.fileName() );
+
+	QTemporaryFile csv;
+	csv.open();
+	csv.write( "id,image,type\n" );
+	csv.write( "1," ); csv.write( png1FileInfo.fileName().toUtf8() ); csv.write( ",png\n" );
+	csv.write( "2," ); csv.write( png1FileInfo.filePath().toUtf8() ); csv.write( ",png\n" );
+	csv.write( "3," ); csv.write( svg1FileInfo.fileName().toUtf8() ); csv.write( ",svg\n" );
+	csv.write( "4," ); csv.write( svg2FileInfo.filePath().toUtf8() ); csv.write( ",svg\n" );
+	csv.write( "5," ); csv.write( svg2FileInfo.fileName().toUtf8() ); csv.write( ",svg\n" );
+	csv.write( "6," ); csv.write( png2FileInfo.fileName().toUtf8() ); csv.write( ",png\n" );
+	csv.write( "7," ); csv.write( svg1FileInfo.filePath().toUtf8() ); csv.write( ",svg\n" );
+	csv.write( "8," ); csv.write( png2FileInfo.filePath().toUtf8() ); csv.write( ",png\n" );
+	csv.close();
+
+	Merge* merge = Factory::createMerge( TextCsvKeys::id() );
+	QVERIFY( merge );
+	QCOMPARE( merge->id(), TextCsvKeys::id() );
+	merge->setSource( csv.fileName() );
+	model.setMerge( merge );
+
+	///
+	/// Draw
+	///
+	const QList<Record*> records = merge->selectedRecords();
+	QCOMPARE( records.size(), 8 );
+
+	QImage paintDevice( 10, 10 * model.objectList().size() * records.size(), QImage::Format_RGB32 );
+	paintDevice.fill( Qt::white );
+	QPainter painter( &paintDevice );
+
+	int i, cnt;
+	int yTranslate = 10 * model.objectList().size();
+	for ( i = 0, cnt = records.size(); i < cnt; i++ )
+	{
+		model.draw( &painter, false, records[i], model.variables() );
+		painter.translate( 0, yTranslate );
+	}
+
+	QColor color, white = Qt::white, grayShadow = Qt::gray, yellowShadow = Qt::yellow, cyanShadow = Qt::cyan, magentaShadow = Qt::magenta;
+	for ( i = 0, cnt = records.size(); i < cnt; i++ )
+	{
+		// Merge
+		qDebug() << "record" << i;
+		color = records[i]->value( "type" ) == "png" ? Qt::blue : Qt::red;
+		QCOMPARE( paintDevice.pixelColor( 1, 0 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 1, 1 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 8 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 9 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 9, 9 + i * yTranslate ), white ); // No shadow
+
+		// Variable
+		color = Qt::green;
+		QCOMPARE( paintDevice.pixelColor( 1, 10 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 1, 11 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 18 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 19 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 9, 19 + i * yTranslate ), grayShadow );
+
+		// Variable 2
+		color = Qt::magenta;
+		QCOMPARE( paintDevice.pixelColor( 1, 20 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 1, 21 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 28 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 29 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 9, 29 + i * yTranslate ), yellowShadow );
+
+		// Filename pgn
+		color = Qt::yellow;
+		QCOMPARE( paintDevice.pixelColor( 1, 30 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 1, 31 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 38 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 39 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 9, 39 + i * yTranslate ), cyanShadow );
+
+		// Filename svg
+		color = Qt::cyan;
+		QCOMPARE( paintDevice.pixelColor( 1, 40 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 1, 41 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 48 + i * yTranslate ), color );
+		QCOMPARE( paintDevice.pixelColor( 1, 49 + i * yTranslate ), white );
+		QCOMPARE( paintDevice.pixelColor( 9, 49 + i * yTranslate ), magentaShadow );
+	}
+
+	delete model.merge();
+	delete model.variables();
+}

model/unit_tests/TestModelImageObject.h

@@ -0,0 +1,31 @@
+/*  TestModelImageObject.h
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QtTest/QtTest>
+
+
+class TestModelImageObject : public QObject
+{
+	Q_OBJECT
+
+private slots:
+	void initTestCase();
+	void readImageFile();
+};

model/unit_tests/TestRawText.cpp

@@ -42,14 +42,14 @@ void TestRawText::rawText()
 	QVERIFY( !rawText.hasPlaceHolders() );
 	QCOMPARE( rawText.toString(), QString( "" ) );
 	QCOMPARE( rawText.toStdString(), std::string( "" ) );
-	QCOMPARE( rawText.expand( &record ), QString( "" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "" ) );
 
 	rawText = "text";
 	QVERIFY( !rawText.isEmpty() );
 	QVERIFY( !rawText.hasPlaceHolders() );
 	QCOMPARE( rawText.toString(), QString( "text" ) );
 	QCOMPARE( rawText.toStdString(), std::string( "text" ) );
-	QCOMPARE( rawText.expand( &record ), QString( "text" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "text" ) );
 
 	RawText rawText2( "text" );
 	QVERIFY( !rawText2.isEmpty() );
@@ -61,34 +61,34 @@ void TestRawText::rawText()
 	QVERIFY( rawText.hasPlaceHolders() );
 	QCOMPARE( rawText.toString(), QString( "${key1}" ) );
 	QCOMPARE( rawText.toStdString(), std::string( "${key1}" ) );
-	QCOMPARE( rawText.expand( &record ), QString( "" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "" ) );
 
 	///
 	/// Record
 	///
 	record["key1"] = "val1";
-	QCOMPARE( rawText.expand( &record ), QString( "val1" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "val1" ) );
 
 	rawText = "${key1}${key2}";
 	QVERIFY( rawText.hasPlaceHolders() );
-	QCOMPARE( rawText.expand( &record ), QString( "val1" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "val1" ) );
 
 	record["key2"] = "val2";
-	QCOMPARE( rawText.expand( &record ), QString( "val1val2" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "val1val2" ) );
 
 	rawText = "${key1}text${key2}";
 	QVERIFY( rawText.hasPlaceHolders() );
-	QCOMPARE( rawText.expand( &record ), QString( "val1textval2" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "val1textval2" ) );
 
 	rawText = "text1${key1}text2${key2}text3";
 	QVERIFY( rawText.hasPlaceHolders() );
-	QCOMPARE( rawText.expand( &record ), QString( "text1val1text2val2text3" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "text1val1text2val2text3" ) );
 
 	rawText = "${key1}text${key2}${key3}";
 	QVERIFY( rawText.hasPlaceHolders() );
-	QCOMPARE( rawText.expand( &record ), QString( "val1textval2" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "val1textval2" ) );
 
 	rawText = "${key2}${key3}${key1}";
 	QVERIFY( rawText.hasPlaceHolders() );
-	QCOMPARE( rawText.expand( &record ), QString( "val2val1" ) );
+	QCOMPARE( rawText.expand( &record, nullptr ), QString( "val2val1" ) );
 }

model/unit_tests/TestSubstitutionField.cpp

@@ -139,6 +139,8 @@ void TestSubstitutionField::simpleEvaluation()
 {
 	using namespace glabels;
 
+	model::Variables variables;
+	
 	model::SubstitutionField f1( "${1}" );
 	model::SubstitutionField f2( "${2}" );
 	model::SubstitutionField f3( "${3}" );
@@ -150,10 +152,10 @@ void TestSubstitutionField::simpleEvaluation()
 	record1[ "3" ] = "Opqrstu";
 	record1[ "4" ] = "Vwxyz!@";
 
-	QCOMPARE( f1.evaluate( &record1 ), QString( "Abcdefg" ) );
-	QCOMPARE( f2.evaluate( &record1 ), QString( "Hijklmn" ) );
-	QCOMPARE( f3.evaluate( &record1 ), QString( "Opqrstu" ) );
-	QCOMPARE( f4.evaluate( &record1 ), QString( "Vwxyz!@" ) );
+	QCOMPARE( f1.evaluate( &record1, &variables ), QString( "Abcdefg" ) );
+	QCOMPARE( f2.evaluate( &record1, &variables ), QString( "Hijklmn" ) );
+	QCOMPARE( f3.evaluate( &record1, &variables ), QString( "Opqrstu" ) );
+	QCOMPARE( f4.evaluate( &record1, &variables ), QString( "Vwxyz!@" ) );
 
 	merge::Record record2;
 	record2[ "1" ] = "1234567";
@@ -161,10 +163,10 @@ void TestSubstitutionField::simpleEvaluation()
 	record2[ "3" ] = "8901234";
 	record2[ "4" ] = "#$%^&*";
 
-	QCOMPARE( f1.evaluate( &record2 ), QString( "1234567" ) );
-	QCOMPARE( f2.evaluate( &record2 ), QString( "FooBar" ) );
-	QCOMPARE( f3.evaluate( &record2 ), QString( "8901234" ) );
-	QCOMPARE( f4.evaluate( &record2 ), QString( "#$%^&*" ) );
+	QCOMPARE( f1.evaluate( &record2, &variables ), QString( "1234567" ) );
+	QCOMPARE( f2.evaluate( &record2, &variables ), QString( "FooBar" ) );
+	QCOMPARE( f3.evaluate( &record2, &variables ), QString( "8901234" ) );
+	QCOMPARE( f4.evaluate( &record2, &variables ), QString( "#$%^&*" ) );
 }
 
 
@@ -172,6 +174,8 @@ void TestSubstitutionField::defaultValueEvaluation()
 {
 	using namespace glabels;
 
+	model::Variables variables;
+	
 	model::SubstitutionField f1( "${1:=foo1}" );
 	model::SubstitutionField f2( "${2:=foo2}" );
 	model::SubstitutionField f3( "${3:=foo3}" );
@@ -183,17 +187,17 @@ void TestSubstitutionField::defaultValueEvaluation()
 	record1[ "3" ] = "Opqrstu";
 	record1[ "4" ] = "Vwxyz!@";
 
-	QCOMPARE( f1.evaluate( &record1 ), QString( "Abcdefg" ) );
-	QCOMPARE( f2.evaluate( &record1 ), QString( "Hijklmn" ) );
-	QCOMPARE( f3.evaluate( &record1 ), QString( "Opqrstu" ) );
-	QCOMPARE( f4.evaluate( &record1 ), QString( "Vwxyz!@" ) );
+	QCOMPARE( f1.evaluate( &record1, &variables ), QString( "Abcdefg" ) );
+	QCOMPARE( f2.evaluate( &record1, &variables ), QString( "Hijklmn" ) );
+	QCOMPARE( f3.evaluate( &record1, &variables ), QString( "Opqrstu" ) );
+	QCOMPARE( f4.evaluate( &record1, &variables ), QString( "Vwxyz!@" ) );
 
 	merge::Record record2; // All fields empty
 
-	QCOMPARE( f1.evaluate( &record2 ), QString( "foo1" ) );
-	QCOMPARE( f2.evaluate( &record2 ), QString( "foo2" ) );
-	QCOMPARE( f3.evaluate( &record2 ), QString( "foo3" ) );
-	QCOMPARE( f4.evaluate( &record2 ), QString( "foo4" ) );
+	QCOMPARE( f1.evaluate( &record2, &variables ), QString( "foo1" ) );
+	QCOMPARE( f2.evaluate( &record2, &variables ), QString( "foo2" ) );
+	QCOMPARE( f3.evaluate( &record2, &variables ), QString( "foo3" ) );
+	QCOMPARE( f4.evaluate( &record2, &variables ), QString( "foo4" ) );
 
 	merge::Record record3;
 	record3[ "1" ] = "xyzzy";
@@ -201,10 +205,10 @@ void TestSubstitutionField::defaultValueEvaluation()
 	// Field "3" empty
 	record3[ "4" ] = "plugh";
 	
-	QCOMPARE( f1.evaluate( &record3 ), QString( "xyzzy" ) );
-	QCOMPARE( f2.evaluate( &record3 ), QString( "foo2" ) );
-	QCOMPARE( f3.evaluate( &record3 ), QString( "foo3" ) );
-	QCOMPARE( f4.evaluate( &record3 ), QString( "plugh" ) );
+	QCOMPARE( f1.evaluate( &record3, &variables ), QString( "xyzzy" ) );
+	QCOMPARE( f2.evaluate( &record3, &variables ), QString( "foo2" ) );
+	QCOMPARE( f3.evaluate( &record3, &variables ), QString( "foo3" ) );
+	QCOMPARE( f4.evaluate( &record3, &variables ), QString( "plugh" ) );
 }
 
 
@@ -212,6 +216,8 @@ void TestSubstitutionField::formattedStringEvaluation()
 {
 	using namespace glabels;
 
+	model::Variables variables;
+	
 	model::SubstitutionField f1( "${1:%10s}" );
 	model::SubstitutionField f2( "${2:%10s}" );
 	model::SubstitutionField f3( "${3:%10s}" );
@@ -233,15 +239,15 @@ void TestSubstitutionField::formattedStringEvaluation()
 	record1[ "7" ] = "-100";
 	record1[ "8" ] = "3.14";
 	
-	QCOMPARE( f1.evaluate( &record1 ), QString( "         0" ) );
-	QCOMPARE( f2.evaluate( &record1 ), QString( "         1" ) );
-	QCOMPARE( f3.evaluate( &record1 ), QString( "        -1" ) );
-	QCOMPARE( f4.evaluate( &record1 ), QString( "      3.14" ) );
+	QCOMPARE( f1.evaluate( &record1, &variables ), QString( "         0" ) );
+	QCOMPARE( f2.evaluate( &record1, &variables ), QString( "         1" ) );
+	QCOMPARE( f3.evaluate( &record1, &variables ), QString( "        -1" ) );
+	QCOMPARE( f4.evaluate( &record1, &variables ), QString( "      3.14" ) );
 
-	QCOMPARE( f5.evaluate( &record1 ), QString( "0         " ) );
-	QCOMPARE( f6.evaluate( &record1 ), QString( "100       " ) );
-	QCOMPARE( f7.evaluate( &record1 ), QString( "-100      " ) );
-	QCOMPARE( f8.evaluate( &record1 ), QString( "3.14      " ) );
+	QCOMPARE( f5.evaluate( &record1, &variables ), QString( "0         " ) );
+	QCOMPARE( f6.evaluate( &record1, &variables ), QString( "100       " ) );
+	QCOMPARE( f7.evaluate( &record1, &variables ), QString( "-100      " ) );
+	QCOMPARE( f8.evaluate( &record1, &variables ), QString( "3.14      " ) );
 }
 
 
@@ -249,6 +255,8 @@ void TestSubstitutionField::formattedFloatEvaluation()
 {
 	using namespace glabels;
 
+	model::Variables variables;
+	
 	model::SubstitutionField f1( "${1:%+5.2f}" );
 	model::SubstitutionField f2( "${2:%+5.2f}" );
 	model::SubstitutionField f3( "${3:%+5.2f}" );
@@ -270,15 +278,15 @@ void TestSubstitutionField::formattedFloatEvaluation()
 	record1[ "7" ] = "-100";
 	record1[ "8" ] = "3.14";
 	
-	QCOMPARE( f1.evaluate( &record1 ), QString( "+0.00" ) );
-	QCOMPARE( f2.evaluate( &record1 ), QString( "+1.00" ) );
-	QCOMPARE( f3.evaluate( &record1 ), QString( "-1.00" ) );
-	QCOMPARE( f4.evaluate( &record1 ), QString( "+3.14" ) );
+	QCOMPARE( f1.evaluate( &record1, &variables ), QString( "+0.00" ) );
+	QCOMPARE( f2.evaluate( &record1, &variables ), QString( "+1.00" ) );
+	QCOMPARE( f3.evaluate( &record1, &variables ), QString( "-1.00" ) );
+	QCOMPARE( f4.evaluate( &record1, &variables ), QString( "+3.14" ) );
 
-	QCOMPARE( f5.evaluate( &record1 ), QString( "+0.00e+00" ) );
-	QCOMPARE( f6.evaluate( &record1 ), QString( "+1.00e+02" ) );
-	QCOMPARE( f7.evaluate( &record1 ), QString( "-1.00e+02" ) );
-	QCOMPARE( f8.evaluate( &record1 ), QString( "+3.14e+00" ) );
+	QCOMPARE( f5.evaluate( &record1, &variables ), QString( "+0.00e+00" ) );
+	QCOMPARE( f6.evaluate( &record1, &variables ), QString( "+1.00e+02" ) );
+	QCOMPARE( f7.evaluate( &record1, &variables ), QString( "-1.00e+02" ) );
+	QCOMPARE( f8.evaluate( &record1, &variables ), QString( "+3.14e+00" ) );
 }
 
 
@@ -286,6 +294,8 @@ void TestSubstitutionField::formattedIntEvaluation()
 {
 	using namespace glabels;
 
+	model::Variables variables;
+	
 	model::SubstitutionField f1( "${1:%08d}" );
 	model::SubstitutionField f2( "${2:%08d}" );
 	model::SubstitutionField f3( "${3:%08d}" );
@@ -307,15 +317,15 @@ void TestSubstitutionField::formattedIntEvaluation()
 	record1[ "7" ] = "-1";
 	record1[ "8" ] = "314";
 	
-	QCOMPARE( f1.evaluate( &record1 ), QString( "00000000" ) );
-	QCOMPARE( f2.evaluate( &record1 ), QString( "00000001" ) );
-	QCOMPARE( f3.evaluate( &record1 ), QString( "-0000001" ) );
-	QCOMPARE( f4.evaluate( &record1 ), QString( "00000000" ) ); // Invalid integer value
+	QCOMPARE( f1.evaluate( &record1, &variables ), QString( "00000000" ) );
+	QCOMPARE( f2.evaluate( &record1, &variables ), QString( "00000001" ) );
+	QCOMPARE( f3.evaluate( &record1, &variables ), QString( "-0000001" ) );
+	QCOMPARE( f4.evaluate( &record1, &variables ), QString( "00000000" ) ); // Invalid integer value
 
-	QCOMPARE( f5.evaluate( &record1 ), QString( "00000064" ) ); // 100(decimal) == 64(hex)
-	QCOMPARE( f6.evaluate( &record1 ), QString( "00000100" ) );
-	QCOMPARE( f7.evaluate( &record1 ), QString( "00000000" ) ); // Invalid unsigned integer
-	QCOMPARE( f8.evaluate( &record1 ), QString( "0000013a" ) ); // 314(decimal) == 13a(hex)
+	QCOMPARE( f5.evaluate( &record1, &variables ), QString( "00000064" ) ); // 100(decimal) == 64(hex)
+	QCOMPARE( f6.evaluate( &record1, &variables ), QString( "00000100" ) );
+	QCOMPARE( f7.evaluate( &record1, &variables ), QString( "00000000" ) ); // Invalid unsigned integer
+	QCOMPARE( f8.evaluate( &record1, &variables ), QString( "0000013a" ) ); // 314(decimal) == 13a(hex)
 }
 
 
@@ -323,6 +333,8 @@ void TestSubstitutionField::newLineEvaluation()
 {
 	using namespace glabels;
 
+	model::Variables variables;
+	
 	model::SubstitutionField addr2( "${ADDR2:n}" );
 	QCOMPARE( addr2.fieldName(),    QString( "ADDR2" ) );
 	QCOMPARE( addr2.newLine(),      true );
@@ -336,7 +348,7 @@ void TestSubstitutionField::newLineEvaluation()
 	merge::Record record3;
 	// ADDR2 not defined
 
-	QCOMPARE( addr2.evaluate( &record1 ), QString( "\nApt. 5B" ) ); // Prepends a newline
-	QCOMPARE( addr2.evaluate( &record2 ), QString( "" ) ); // Evaluates empty
-	QCOMPARE( addr2.evaluate( &record3 ), QString( "" ) ); // Evaluates empty
+	QCOMPARE( addr2.evaluate( &record1, &variables ), QString( "\nApt. 5B" ) ); // Prepends a newline
+	QCOMPARE( addr2.evaluate( &record2, &variables ), QString( "" ) ); // Evaluates empty
+	QCOMPARE( addr2.evaluate( &record3, &variables ), QString( "" ) ); // Evaluates empty
 }

model/unit_tests/TestTextNode.cpp

@@ -22,8 +22,6 @@
 
 #include "model/TextNode.h"
 
-#include "merge/Record.h"
-
 #include <QtDebug>
 
 
@@ -36,38 +34,37 @@ using namespace glabels::merge;
 void TestTextNode::textNode()
 {
 	Record record;
+	Variables vars;
 
 	TextNode textNode;
 	QVERIFY( !textNode.isField() );
 	QCOMPARE( textNode.data(), QString( "" ) );
 	QVERIFY( textNode == TextNode() );
 	QVERIFY( !(textNode != TextNode()) );
-	QCOMPARE( textNode.text( nullptr ), QString( "" ) );
-	QCOMPARE( textNode.text( &record ), QString( "" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( !textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( nullptr, nullptr ), QString( "" ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "" ) );
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "" ) );
+	QCOMPARE( textNode.text( &record, &vars ), QString( "" ) );
 
 	textNode.setField( true );
 	QVERIFY( textNode.isField() );
-	QCOMPARE( textNode.text( &record ), QString( "" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( !textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "" ) );
 
 	textNode.setField( false );
 	QVERIFY( !textNode.isField() );
 
 	textNode.setData( QString( "data1" ) );
 	QCOMPARE( textNode.data(), QString( "data1" ) );
-	QCOMPARE( textNode.text( nullptr ), QString( "data1" ) );
-	QCOMPARE( textNode.text( &record ), QString( "data1" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( !textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( nullptr, nullptr ), QString( "data1" ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "data1" ) );
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "data1" ) );
+	QCOMPARE( textNode.text( &record, &vars ), QString( "data1" ) );
 
 	textNode.setField( true );
-	QCOMPARE( textNode.text( nullptr ), QString( "${data1}" ) );
-	QCOMPARE( textNode.text( &record ), QString( "" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( !textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( nullptr, nullptr ), QString( "" ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "" ) );
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "" ) );
+	QCOMPARE( textNode.text( &record, &vars ), QString( "" ) );
 
 	///
 	/// Constructors
@@ -89,17 +86,39 @@ void TestTextNode::textNode()
 	/// Record
 	///
 	record["key1"] = "";
-	QCOMPARE( textNode.text( &record ), QString( "" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( !textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "" ) );
 
 	textNode.setData( QString( "key1" ) );
-	QCOMPARE( textNode.text( &record ), QString( "" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "" ) );
 
 	record["key1"] = "val1";
-	QCOMPARE( textNode.text( &record ), QString( "val1" ) );
-	QVERIFY( !textNode.isEmptyField( nullptr ) );
-	QVERIFY( !textNode.isEmptyField( &record ) );
+	QCOMPARE( textNode.text( &record, nullptr ), QString( "val1" ) );
+
+	///
+	/// Variable
+	///
+	{
+		Variable key1( Variable::Type::STRING, "key1", "", Variable::Increment::PER_ITEM );
+		vars.addVariable( key1 );
+	}
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "" ) );
+
+	{
+		Variable key1( Variable::Type::STRING, "key1", "val1", Variable::Increment::PER_ITEM );
+		vars.addVariable( key1 );
+	}
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "val1" ) );
+
+	{
+		Variable key1( Variable::Type::INTEGER, "key1", "1", Variable::Increment::PER_ITEM, "1" );
+		vars.addVariable( key1 );
+	}
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "1" ) );
+	vars.incrementVariablesOnItem();
+	QCOMPARE( textNode.text( nullptr, &vars ), QString( "2" ) );
+
+	///
+	/// Record beats variable
+	///
+	QCOMPARE( textNode.text( &record, &vars ), QString( "val1" ) );
 }

model/unit_tests/TestVariable.cpp

@@ -0,0 +1,300 @@
+/*  TestVariable.cpp
+ *
+ *  Copyright (C) 2019  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "TestVariable.h"
+
+#include "model/Variable.h"
+
+#include <QtDebug>
+
+
+QTEST_MAIN(TestVariable)
+
+using namespace glabels::model;
+
+
+void TestVariable::variable()
+{
+	{
+		Variable var;
+
+		QCOMPARE( var.type(), Variable::Type::STRING );
+		QCOMPARE( var.name(), QString() );
+		QCOMPARE( var.initialValue(), QString() );
+		QCOMPARE( var.increment(), Variable::Increment::NEVER );
+		QCOMPARE( var.stepSize(), QString( "0" ) );
+		QCOMPARE( var.value(), QString() );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::STRING );
+		QCOMPARE( var.name(), QString() );
+		QCOMPARE( var.initialValue(), QString() );
+		QCOMPARE( var.increment(), Variable::Increment::NEVER );
+		QCOMPARE( var.stepSize(), QString( "0" ) );
+		QCOMPARE( var.value(), QString() );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString() );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString() );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString() );
+	}
+	{
+		Variable var( Variable::Type::STRING, "s", "initial", Variable::Increment::PER_ITEM, "2" );
+
+		QCOMPARE( var.type(), Variable::Type::STRING );
+		QCOMPARE( var.name(), QString( "s" ) );
+		QCOMPARE( var.initialValue(), QString( "initial" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_ITEM );
+		QCOMPARE( var.stepSize(), QString( "2" ) );
+		QCOMPARE( var.value(), QString( "initial" ) );
+
+		var.resetValue();
+		QCOMPARE( var.name(), QString( "s" ) );
+		QCOMPARE( var.initialValue(), QString( "initial" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_ITEM );
+		QCOMPARE( var.stepSize(), QString( "2" ) );
+		QCOMPARE( var.value(), QString( "initial" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "initial" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "initial" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "initial" ) );
+
+		var.resetValue();
+		QCOMPARE( var.name(), QString( "s" ) );
+		QCOMPARE( var.initialValue(), QString( "initial" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_ITEM );
+		QCOMPARE( var.stepSize(), QString( "2" ) );
+		QCOMPARE( var.value(), QString( "initial" ) );
+	}
+	{
+		Variable var( Variable::Type::INTEGER, "i", "123", Variable::Increment::PER_ITEM, "1" );
+
+		QCOMPARE( var.type(), Variable::Type::INTEGER );
+		QCOMPARE( var.name(), QString( "i" ) );
+		QCOMPARE( var.initialValue(), QString( "123" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_ITEM );
+		QCOMPARE( var.stepSize(), QString( "1" ) );
+		QCOMPARE( var.value(), QString( "123" ) );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::INTEGER );
+		QCOMPARE( var.name(), QString( "i" ) );
+		QCOMPARE( var.initialValue(), QString( "123" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_ITEM );
+		QCOMPARE( var.stepSize(), QString( "1" ) );
+		QCOMPARE( var.value(), QString( "123" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "124" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "124" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "124" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "125" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "125" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "125" ) );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::INTEGER );
+		QCOMPARE( var.name(), QString( "i" ) );
+		QCOMPARE( var.initialValue(), QString( "123" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_ITEM );
+		QCOMPARE( var.stepSize(), QString( "1" ) );
+		QCOMPARE( var.value(), QString( "123" ) );
+	}
+	{
+		Variable var( Variable::Type::INTEGER, "i", "1", Variable::Increment::PER_PAGE, "2" );
+
+		QCOMPARE( var.type(), Variable::Type::INTEGER );
+		QCOMPARE( var.name(), QString( "i" ) );
+		QCOMPARE( var.initialValue(), QString( "1" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_PAGE );
+		QCOMPARE( var.stepSize(), QString( "2" ) );
+		QCOMPARE( var.value(), QString( "1" ) );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::INTEGER );
+		QCOMPARE( var.name(), QString( "i" ) );
+		QCOMPARE( var.initialValue(), QString( "1" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_PAGE );
+		QCOMPARE( var.stepSize(), QString( "2" ) );
+		QCOMPARE( var.value(), QString( "1" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "1" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "1" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "3" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "3" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "3" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "5" ) );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::INTEGER );
+		QCOMPARE( var.name(), QString( "i" ) );
+		QCOMPARE( var.initialValue(), QString( "1" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_PAGE );
+		QCOMPARE( var.stepSize(), QString( "2" ) );
+		QCOMPARE( var.value(), QString( "1" ) );
+	}
+	{
+		Variable var( Variable::Type::FLOATING_POINT, "f", "1.2", Variable::Increment::PER_COPY, "0.2" );
+
+		QCOMPARE( var.type(), Variable::Type::FLOATING_POINT );
+		QCOMPARE( var.name(), QString( "f" ) );
+		QCOMPARE( var.initialValue(), QString( "1.2" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_COPY );
+		QCOMPARE( var.stepSize(), QString( "0.2" ) );
+		QCOMPARE( var.value(), QString( "1.2" ) );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::FLOATING_POINT );
+		QCOMPARE( var.name(), QString( "f" ) );
+		QCOMPARE( var.initialValue(), QString( "1.2" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_COPY );
+		QCOMPARE( var.stepSize(), QString( "0.2" ) );
+		QCOMPARE( var.value(), QString( "1.2" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "1.2" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "1.4" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "1.4" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "1.4" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "1.6" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "1.6" ) );
+
+		var.resetValue();
+		QCOMPARE( var.type(), Variable::Type::FLOATING_POINT );
+		QCOMPARE( var.name(), QString( "f" ) );
+		QCOMPARE( var.initialValue(), QString( "1.2" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_COPY );
+		QCOMPARE( var.stepSize(), QString( "0.2" ) );
+		QCOMPARE( var.value(), QString( "1.2" ) );
+	}
+	{
+		Variable var( Variable::Type::COLOR, "c", "white", Variable::Increment::PER_PAGE );
+
+		QCOMPARE( var.type(), Variable::Type::COLOR );
+		QCOMPARE( var.name(), QString( "c" ) );
+		QCOMPARE( var.initialValue(), QString( "white" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_PAGE );
+		QCOMPARE( var.stepSize(), QString( "0" ) );
+		QCOMPARE( var.value(), QString( "white" ) );
+
+		var.resetValue();
+		QCOMPARE( var.name(), QString( "c" ) );
+		QCOMPARE( var.initialValue(), QString( "white" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_PAGE );
+		QCOMPARE( var.stepSize(), QString( "0" ) );
+		QCOMPARE( var.value(), QString( "white" ) );
+
+		var.incrementValueOnItem();
+		QCOMPARE( var.value(), QString( "white" ) );
+
+		var.incrementValueOnCopy();
+		QCOMPARE( var.value(), QString( "white" ) );
+
+		var.incrementValueOnPage();
+		QCOMPARE( var.value(), QString( "white" ) );
+
+		var.resetValue();
+		QCOMPARE( var.name(), QString( "c" ) );
+		QCOMPARE( var.initialValue(), QString( "white" ) );
+		QCOMPARE( var.increment(), Variable::Increment::PER_PAGE );
+		QCOMPARE( var.stepSize(), QString( "0" ) );
+		QCOMPARE( var.value(), QString( "white" ) );
+	}
+}
+
+
+void TestVariable::statics()
+{
+	QCOMPARE( Variable::typeToI18nString( Variable::Type::STRING ), QString( "String" ) );
+	QCOMPARE( Variable::typeToI18nString( Variable::Type::INTEGER ), QString( "Integer" ) );
+	QCOMPARE( Variable::typeToI18nString( Variable::Type::FLOATING_POINT ), QString( "Floating Point" ) );
+	QCOMPARE( Variable::typeToI18nString( Variable::Type::COLOR ), QString( "Color" ) );
+	QCOMPARE( Variable::typeToI18nString( (Variable::Type)4 ), QString( "String" ) );
+
+	QCOMPARE( Variable::typeToIdString( Variable::Type::STRING ), QString( "string" ) );
+	QCOMPARE( Variable::typeToIdString( Variable::Type::INTEGER ), QString( "integer" ) );
+	QCOMPARE( Variable::typeToIdString( Variable::Type::FLOATING_POINT ), QString( "float" ) );
+	QCOMPARE( Variable::typeToIdString( Variable::Type::COLOR ), QString( "color" ) );
+	QCOMPARE( Variable::typeToIdString( (Variable::Type)4 ), QString( "string" ) );
+
+	QCOMPARE( Variable::idStringToType( "string" ), Variable::Type::STRING );
+	QCOMPARE( Variable::idStringToType( "integer"), Variable::Type::INTEGER );
+	QCOMPARE( Variable::idStringToType( "float" ), Variable::Type::FLOATING_POINT );
+	QCOMPARE( Variable::idStringToType( "color" ), Variable::Type::COLOR );
+	QCOMPARE( Variable::idStringToType( "non_existent" ), Variable::Type::STRING );
+
+	QCOMPARE( Variable::incrementToI18nString( Variable::Increment::NEVER ), QString( "Never" ) );
+	QCOMPARE( Variable::incrementToI18nString( Variable::Increment::PER_ITEM ), QString( "Per item" ) );
+	QCOMPARE( Variable::incrementToI18nString( Variable::Increment::PER_COPY ), QString( "Per copy" ) );
+	QCOMPARE( Variable::incrementToI18nString( Variable::Increment::PER_PAGE ), QString( "Per page" ) );
+	QCOMPARE( Variable::incrementToI18nString( (Variable::Increment)4 ), QString( "Never" ) );
+
+	QCOMPARE( Variable::incrementToIdString( Variable::Increment::NEVER ), QString( "never" ) );
+	QCOMPARE( Variable::incrementToIdString( Variable::Increment::PER_ITEM ), QString( "per_item" ) );
+	QCOMPARE( Variable::incrementToIdString( Variable::Increment::PER_COPY ), QString( "per_copy" ) );
+	QCOMPARE( Variable::incrementToIdString( Variable::Increment::PER_PAGE ), QString( "per_page" ) );
+	QCOMPARE( Variable::incrementToIdString( (Variable::Increment)4 ), QString( "never" ) );
+
+	QCOMPARE( Variable::idStringToIncrement( "never" ), Variable::Increment::NEVER );
+	QCOMPARE( Variable::idStringToIncrement( "per_item" ), Variable::Increment::PER_ITEM );
+	QCOMPARE( Variable::idStringToIncrement( "per_copy" ), Variable::Increment::PER_COPY );
+	QCOMPARE( Variable::idStringToIncrement( "per_page" ), Variable::Increment::PER_PAGE );
+	QCOMPARE( Variable::idStringToIncrement( "non_existent" ), Variable::Increment::NEVER );
+}