Moved Merge subsystem into its own subdirectory.

glabels/Merge/MergeFactory.cpp

@@ -0,0 +1,176 @@
+/*  MergeFactory.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 "MergeFactory.h"
+
+#include "MergeNone.h"
+#include "MergeTextCsv.h"
+
+
+///
+/// Static data
+///
+QMap<QString,MergeFactory::BackendEntry> MergeFactory::mBackendIdMap;
+QMap<QString,MergeFactory::BackendEntry> MergeFactory::mBackendNameMap;
+
+
+///
+/// Constructor
+///
+MergeFactory::MergeFactory()
+{
+	registerBackend( MergeNone::id(),
+			 tr("None"),
+			 NONE,
+			 &MergeNone::create );
+	
+	registerBackend( MergeTextCsv::id(),
+			 tr("Text: Comma Separated Values (CSV)"),
+			 FILE,
+			 &MergeTextCsv::create );
+}
+
+
+///
+/// Initialize
+///
+void MergeFactory::init()
+{
+	static MergeFactory* singletonInstance = 0;
+	if ( !singletonInstance )
+	{
+		singletonInstance = new MergeFactory();
+	}
+}
+
+
+///
+/// Create Merge object
+///
+Merge* MergeFactory::createMerge( const QString& id )
+{
+	QMap<QString,BackendEntry>::iterator iBackend = mBackendIdMap.find( id );
+	if ( iBackend != mBackendIdMap.end() )
+	{
+		return iBackend->create();
+	}
+	
+	return MergeNone::create();
+}
+
+
+///
+/// Get name list
+///
+QStringList MergeFactory::nameList()
+{
+	QStringList list;
+	
+	foreach ( BackendEntry backend, mBackendIdMap )
+	{
+		list << backend.name;
+	}
+
+	return list;
+}
+
+
+///
+/// Convert ID to name
+///
+QString MergeFactory::idToName( const QString& id )
+{
+	if ( mBackendIdMap.contains( id ) )
+	{
+		return mBackendIdMap[id].name;
+	}
+	else
+	{
+		return tr("None");
+	}
+}
+
+
+///
+/// Convert name to ID
+///
+QString MergeFactory::nameToId( const QString& name )
+{
+	if ( mBackendNameMap.contains( name ) )
+	{
+		return mBackendNameMap[name].id;
+	}
+	else
+	{
+		return "None";
+	}
+}
+
+
+///
+/// Convert ID to type
+///
+MergeFactory::SourceType MergeFactory::idToType( const QString& id )
+{
+	if ( mBackendIdMap.contains( id ) )
+	{
+		return mBackendIdMap[id].type;
+	}
+	else
+	{
+		return NONE;
+	}
+}
+
+
+///
+/// Lookup ID from index
+///
+QString MergeFactory::indexToId( int index )
+{
+	QList<QString> ids = mBackendIdMap.keys();
+
+	if ( (index > 0) && (index < ids.size()) )
+	{
+		return ids[index];
+	}
+
+	return "None";
+}
+
+
+///
+/// Register backend
+///
+void MergeFactory::registerBackend( const QString& id,
+				    const QString& name,
+				    SourceType     type,
+				    CreateFct      create )
+{
+	BackendEntry backend;
+
+	backend.name   = name;
+	backend.type   = type;
+	backend.create = create;
+	
+	mBackendIdMap[ id ] = backend;
+}
+
+