| /******************************************************************************* |
| * 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); |
| } |
| |
| } |