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/*
* Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "drag.h"
#include "regexp.h"
#include "regexpconverter.h"
#include "widgetfactory.h"
RegExpWidgetDrag::RegExpWidgetDrag( RegExp* regexp, QWidget* dragSource )
: QDragObject( dragSource ), _regexp( regexp->clone() )
{
}
RegExpWidgetDrag::~RegExpWidgetDrag()
{
delete _regexp;
}
bool RegExpWidgetDrag::canDecode( QDragMoveEvent* event )
{
return event->provides( "KRegExpEditor/widgetdrag" );
}
RegExpWidget* RegExpWidgetDrag::decode(QDropEvent* event, RegExpEditorWindow* window,
QWidget* parent)
{
QByteArray payload = event->encodedData("KRegExpEditor/widgetdrag" );
QTextStream stream( payload, IO_ReadOnly );
QString str = stream.read();
RegExp* regexp = WidgetFactory::createRegExp( str );
RegExpWidget* widget = WidgetFactory::createWidget( regexp, window, parent );
delete regexp;
return widget;
}
const char * RegExpWidgetDrag::format ( int i ) const
{
if ( i == 0 )
return "KRegExpEditor/widgetdrag";
else if ( i == 1 )
return "text/plain";
else
return 0;
}
QByteArray RegExpWidgetDrag::encodedData ( const char* format ) const
{
QByteArray data;
QTextStream stream( data, IO_WriteOnly );
if ( QString::fromLocal8Bit( format ).startsWith(QString::fromLocal8Bit( "KRegExpEditor/widgetdrag" ) ) ) {
QString xml = _regexp->toXmlString();
stream << xml;
}
else if ( QString::fromLocal8Bit( format ).startsWith(QString::fromLocal8Bit( "text/plain" ) ) ) {
stream << RegExpConverter::current()->toStr( _regexp, false );
}
else {
qWarning("Unexpected drag and drop format: %s", format );
}
return data;
}
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