org.argeo.slc.client.ui.dist/src/org/argeo/slc/client/ui/dist/commands/ShowSizeColumn.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.slc.client.ui.dist.commands;
  17
  18 import org.argeo.slc.client.ui.dist.DistPlugin;
  19 import org.argeo.slc.client.ui.dist.views.ArtifactsBrowser;
  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 visible state of the ArtifactBrower size column */
  30 public class ShowSizeColumn extends AbstractHandler {
  31         public final static String ID = DistPlugin.PLUGIN_ID + ".showSizeColumn";
  32
  33         public Object execute(ExecutionEvent event) throws ExecutionException {
  34                 ArtifactsBrowser view = (ArtifactsBrowser) HandlerUtil
  35                                 .getActiveWorkbenchWindow(event).getActivePage()
  36                                 .findView(ArtifactsBrowser.ID);
  37
  38                 ICommandService service = (ICommandService) PlatformUI.getWorkbench()
  39                                 .getService(ICommandService.class);
  40                 Command command = service.getCommand(ID);
  41                 State state = command.getState(ID + ".toggleState");
  42
  43                 boolean wasVisible = (Boolean) state.getValue();
  44                 view.setSizeVisible(!wasVisible);
  45                 state.setValue(!wasVisible);
  46                 return null;
  47         }
  48 }