| /******************************************************************************* |
| * Copyright (c) 2001, 2005 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.dtd.ui.internal.dnd; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.eclipse.wst.common.ui.internal.dnd.DefaultDragAndDropCommand; |
| import org.eclipse.wst.dtd.core.internal.DTDFile; |
| import org.eclipse.wst.dtd.core.internal.DTDNode; |
| import org.eclipse.wst.dtd.core.internal.TopLevelNode; |
| import org.eclipse.wst.dtd.ui.internal.DTDUIMessages; |
| |
| public class DragTopLevelNodesCommand extends DefaultDragAndDropCommand { |
| |
| static private final String moveNode = DTDUIMessages._UI_MOVE_NODE; //$NON-NLS-1$ |
| static private final String moveNodes = DTDUIMessages._UI_MOVE_NODES; //$NON-NLS-1$ |
| |
| public DragTopLevelNodesCommand(Object target, float location, int operations, int operation, Collection sources) { |
| super(target, location, operations, operation, sources); |
| } |
| |
| public boolean canExecute() { |
| if (!(target instanceof TopLevelNode)) { |
| return false; |
| } |
| |
| Iterator iter = sources.iterator(); |
| while (iter.hasNext()) { |
| Object source = iter.next(); |
| if (!(source instanceof TopLevelNode)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public void execute() { |
| DTDNode referenceNode = (DTDNode) target; |
| |
| DTDFile dtdFile = referenceNode.getDTDFile(); |
| dtdFile.getDTDModel().beginRecording(this, sources.size() > 1 ? moveNodes : moveNode); |
| Iterator iter = sources.iterator(); |
| while (iter.hasNext()) { |
| DTDNode node = (DTDNode) iter.next(); |
| if (node instanceof TopLevelNode) { |
| dtdFile.moveNode(this, referenceNode, node, isAfter()); |
| } |
| } |
| dtdFile.getDTDModel().endRecording(this); |
| } |
| } |