--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.diagram.handler;\r
+\r
+\r
+import org.eclipse.core.commands.AbstractHandler;\r
+import org.eclipse.core.commands.ExecutionEvent;\r
+import org.eclipse.core.commands.ExecutionException;\r
+import org.eclipse.core.commands.IHandler;\r
+import org.eclipse.ui.IWorkbenchPart;\r
+import org.eclipse.ui.handlers.HandlerUtil;\r
+import org.eclipse.ui.part.IPage;\r
+import org.simantics.diagram.symbollibrary.ui.SymbolLibraryPage;\r
+import org.simantics.diagram.symbollibrary.ui.SymbolPageView;\r
+\r
+public class CollapseAll extends AbstractHandler implements IHandler {\r
+\r
+ @Override\r
+ public Object execute(ExecutionEvent event) throws ExecutionException {\r
+ \r
+ IWorkbenchPart part = HandlerUtil.getActivePart(event);\r
+ if(part == null) return null;\r
+ if(part instanceof SymbolPageView) {\r
+ SymbolPageView view = (SymbolPageView)part;\r
+ IPage page = view.getCurrentPage();\r
+ if(page == null) return null;\r
+ if(page instanceof SymbolLibraryPage) {\r
+ SymbolLibraryPage libraryPage = (SymbolLibraryPage)page;\r
+ libraryPage.setAllExpandedStates(false);\r
+ }\r
+ }\r
+ \r
+ return null;\r
+ \r
+ }\r
+\r
+}\r