org.simantics.g3d/src/org/simantics/proconf/g3d/tools/OEPathSelectionListener.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007- VTT Technical Research Centre of Finland.\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.proconf.g3d.tools;\r
  12 \r
  13 import java.util.ArrayList;\r
  14 import java.util.Iterator;\r
  15 import java.util.List;\r
  16 \r
  17 import org.eclipse.jface.viewers.ISelectionChangedListener;\r
  18 import org.eclipse.jface.viewers.IStructuredSelection;\r
  19 import org.eclipse.jface.viewers.SelectionChangedEvent;\r
  20 import org.simantics.layer0.utils.viewpoints.TraversalPath;\r
  21 import org.simantics.proconf.browsing.MutableCachedGraphTreeNode;\r
  22 \r
  23 /**\r
  24  * SelectionListener for OntologyExplorer\r
  25  * \r
  26  * Returns Selection as TraversalPath\r
  27  * \r
  28  * @author Marko Luukkainen\r
  29  *\r
  30  */\r
  31 public abstract class OEPathSelectionListener implements ISelectionChangedListener{\r
  32         @SuppressWarnings("unchecked")\r
  33         public void selectionChanged(SelectionChangedEvent event) {\r
  34                 IStructuredSelection s = (IStructuredSelection)event.getSelection();\r
  35                 List<TraversalPath> paths = new ArrayList<TraversalPath>();\r
  36                 Iterator<MutableCachedGraphTreeNode> i = s.iterator();\r
  37                 while(i.hasNext()) {\r
  38                         MutableCachedGraphTreeNode node = i.next();\r
  39                         TraversalPath path = (TraversalPath)node.getObject();\r
  40                         paths.add(path);\r
  41                 }       \r
  42                 pathSelectionUpdated(paths);\r
  43         }\r
  44         \r
  45         protected abstract void pathSelectionUpdated(List<TraversalPath> paths);\r
  46 }\r