bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/widgets/ExplorerMouseListenerImpl.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2012 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.browsing.ui.swt.widgets;\r
  13 \r
  14 import org.eclipse.jface.viewers.IPostSelectionProvider;\r
  15 import org.eclipse.jface.viewers.ISelection;\r
  16 import org.simantics.browsing.ui.GraphExplorer;\r
  17 import org.simantics.browsing.ui.swt.widgets.impl.MouseListenerImpl;\r
  18 import org.simantics.db.WriteGraph;\r
  19 import org.simantics.db.exception.DatabaseException;\r
  20 import org.simantics.db.management.ISessionContext;\r
  21 \r
  22 abstract public class ExplorerMouseListenerImpl<T> extends MouseListenerImpl<T> {\r
  23 \r
  24         private GraphExplorer explorer = null;\r
  25         private ISelection selection;\r
  26         \r
  27         public ExplorerMouseListenerImpl(ISessionContext context) {\r
  28                 super(context);\r
  29         }\r
  30         \r
  31         void register(GraphExplorer explorer) {\r
  32                 this.explorer = explorer;\r
  33         }\r
  34         \r
  35         public void doubleClick(WriteGraph graph, T input) throws DatabaseException {\r
  36 \r
  37                 if(explorer == null) return;\r
  38                 \r
  39                 doubleClick(graph, input, selection);\r
  40                         \r
  41         }\r
  42         \r
  43         @Override\r
  44         public void beforeApply(T input) {\r
  45                 \r
  46                 if(explorer == null) return;\r
  47                 \r
  48                 IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);\r
  49                 selection = selectionProvider.getSelection();\r
  50                 \r
  51         }\r
  52 \r
  53         abstract public void doubleClick(WriteGraph graph, T input, ISelection selection) throws DatabaseException;\r
  54         \r
  55 }\r
  56