View Javadoc
1   /*
2    * Copyright (C) 2007-2012 Argeo GmbH
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *         http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.argeo.cms.ui.workbench.internal.jcr.commands;
17  
18  import org.argeo.cms.ui.workbench.WorkbenchUiPlugin;
19  import org.argeo.cms.ui.workbench.jcr.JcrBrowserView;
20  import org.eclipse.core.commands.AbstractHandler;
21  import org.eclipse.core.commands.Command;
22  import org.eclipse.core.commands.ExecutionEvent;
23  import org.eclipse.core.commands.ExecutionException;
24  import org.eclipse.core.commands.State;
25  import org.eclipse.ui.PlatformUI;
26  import org.eclipse.ui.commands.ICommandService;
27  import org.eclipse.ui.handlers.HandlerUtil;
28  
29  /** Change isSorted state of the DataExplorer Browser */
30  public class SortChildNodes extends AbstractHandler {
31  	public final static String ID = WorkbenchUiPlugin.PLUGIN_ID
32  			+ ".sortChildNodes";
33  
34  	public Object execute(ExecutionEvent event) throws ExecutionException {
35  		JcrBrowserView view = (JcrBrowserView) HandlerUtil
36  				.getActiveWorkbenchWindow(event).getActivePage()
37  				.findView(JcrBrowserView.ID);
38  
39  		ICommandService service = (ICommandService) PlatformUI.getWorkbench()
40  				.getService(ICommandService.class);
41  		Command command = service.getCommand(ID);
42  		State state = command.getState(ID + ".toggleState");
43  
44  		boolean wasSorted = (Boolean) state.getValue();
45  		view.setSortChildNodes(!wasSorted);
46  		state.setValue(!wasSorted);
47  		return null;
48  	}
49  }