/*  FieldButton.cpp
 *
 *  Copyright (C) 2014-2016  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 "FieldButton.h"

#include <QStandardItemModel>
#include <QLineEdit>


///
/// Constructor
///
FieldButton::FieldButton( QWidget* parent )
	: QComboBox(parent)
{
	setEnabled( false );

	connect( this, SIGNAL(currentIndexChanged(int)), this, SLOT(onIndexChanged(int)) );
}


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 QStandardItemModel* 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 )
{
        // Clear old keys
	clear();
	addItem( mName );

	// Item 0 is the ComboBox title, not an item intended for selection. So disable it.
        const QStandardItemModel* itemModel = qobject_cast<const QStandardItemModel*>(model());
        QStandardItem* item = itemModel->item(0);
        item->setFlags( item->flags() & ~(Qt::ItemIsSelectable|Qt::ItemIsEnabled) );
	
        // Add new keys
        if ( keyList.size() > 0 )
        {
                addItems( keyList );
                setEnabled( true );
        }
        else
        {
                setEnabled( false );
        }
}


void FieldButton::clearKeys()
{
	clear();
	addItem( mName );
	
	setEnabled( false );
}



///
/// onMenuKeySelected slot
///
void FieldButton::onIndexChanged( int index )
{
	if ( index > 0 )
	{
		emit keySelected( itemText(index) );

		setCurrentIndex( 0 );
	}
}