bundles/org.simantics.diagram/src/org/simantics/diagram/handler/CollapseAll.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.diagram.handler;\r
  12 \r
  13 \r
  14 import org.eclipse.core.commands.AbstractHandler;\r
  15 import org.eclipse.core.commands.ExecutionEvent;\r
  16 import org.eclipse.core.commands.ExecutionException;\r
  17 import org.eclipse.core.commands.IHandler;\r
  18 import org.eclipse.ui.IWorkbenchPart;\r
  19 import org.eclipse.ui.handlers.HandlerUtil;\r
  20 import org.eclipse.ui.part.IPage;\r
  21 import org.simantics.diagram.symbollibrary.ui.SymbolLibraryPage;\r
  22 import org.simantics.diagram.symbollibrary.ui.SymbolPageView;\r
  23 \r
  24 public class CollapseAll extends AbstractHandler implements IHandler {\r
  25 \r
  26     @Override\r
  27     public Object execute(ExecutionEvent event) throws ExecutionException {\r
  28         \r
  29         IWorkbenchPart part = HandlerUtil.getActivePart(event);\r
  30         if(part == null) return null;\r
  31         if(part instanceof SymbolPageView) {\r
  32                 SymbolPageView view = (SymbolPageView)part;\r
  33                 IPage page = view.getCurrentPage();\r
  34                 if(page == null) return null;\r
  35                 if(page instanceof SymbolLibraryPage) {\r
  36                         SymbolLibraryPage libraryPage = (SymbolLibraryPage)page;\r
  37                         libraryPage.setAllExpandedStates(false);\r
  38                 }\r
  39         }\r
  40         \r
  41         return null;\r
  42         \r
  43     }\r
  44 \r
  45 }\r