bundles/org.simantics.ui/src/org/simantics/ui/workbench/editor/OpenDefaultEditor.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.ui.workbench.editor;
  13
  14 import org.simantics.db.ReadGraph;
  15 import org.simantics.db.exception.DatabaseException;
  16 import org.simantics.ui.DoubleClickEvent;
  17 import org.simantics.ui.IDoubleClickAction;
  18 import org.simantics.ui.workbench.action.IWorkbenchActionHints;
  19 import org.simantics.ui.workbench.action.ResourceEditorAdapterAction;
  20
  21 /**
  22  * @author Tuukka Lehtonen
  23  */
  24 public class OpenDefaultEditor implements IDoubleClickAction {
  25
  26     @Override
  27     public void doubleClickEvent(DoubleClickEvent e) {
  28         ReadGraph g = e.getGraph();
  29         Object r = e.getResource();
  30
  31         Boolean remember = e.getHintContext().getHint(IWorkbenchActionHints.KEY_REMEMBER);
  32         final boolean rememberChoice = remember != null ? remember : false;
  33
  34         Boolean ask = e.getHintContext().getHint(IWorkbenchActionHints.KEY_ALWAYS_ASK);
  35         boolean alwaysAsk = ask != null ? ask : false;
  36
  37         EditorAdapter primaryAdapter = EditorRegistry.getInstance().getMappings().get(r);
  38         if (!alwaysAsk && primaryAdapter != null) {
  39             e.add(new ResourceEditorAdapterAction(primaryAdapter, r));
  40         } else {
  41             try {
  42                 EditorAdapter[] editorAdapters = EditorRegistry.getInstance().getAdaptersFor(g, r);
  43                 for (final EditorAdapter a : editorAdapters) {
  44                     e.add(new ResourceEditorAdapterAction(a, r) {
  45                         @Override
  46                         protected void safeRun() throws Exception {
  47                             super.safeRun();
  48
  49                             if (rememberChoice && a.getPriority() >= 0) {
  50                                 // Make this choice the default for the next time.
  51                                 EditorRegistry.getInstance().getMappings().put(getResource(), getAdapter());
  52                             }
  53                         }
  54                     });
  55                 }
  56             } catch (DatabaseException ex) {
  57             }
  58         }
  59     }
  60
  61 }