org.argeo.cms.ui.workbench/src/org/argeo/cms/ui/workbench/internal/jcr/commands/SortChildNodes.java

   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 }