1 files changed, 77 insertions, 0 deletions
diff --git a/kregexpeditor/drag.cpp b/kregexpeditor/drag.cpp
new file mode 100644
index 0000000..11ecc63
--- /dev/null
+++ b/kregexpeditor/drag.cpp
@@ -0,0 +1,77 @@
+/*
+ *  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;
+}
+