/*******************************************************************************
* Copyright (c) 2001, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.sse.ui.internal;
import org.eclipse.jface.text.IDocument;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
public class ReadOnlyAwareDropTargetAdapter extends ExtendedEditorDropTargetAdapter {
/**
* @deprecated - use ReadOnlyAwareDropTargetAdapter(boolean useProxy) for
* the performance
*/
public ReadOnlyAwareDropTargetAdapter() {
super();
}
public ReadOnlyAwareDropTargetAdapter(boolean useProxy) {
super(useProxy);
}
public void drop(DropTargetEvent event) {
IDocument document = getTextViewer().getDocument();
if (document instanceof IStructuredDocument) {
Point range = getTextViewer().getSelectedRange();
if (((IStructuredDocument) document).containsReadOnly(range.x, range.y)) {
event.operations = DND.DROP_NONE;
event.detail = DND.DROP_NONE;
getTextViewer().getTextWidget().redraw();
getTextViewer().getTextWidget().update();
getTextViewer().getTextWidget().getDisplay().beep();
}
}
super.drop(event);
}
}