bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/actions/ChangePageOrientation.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Association for Decentralized Information Management in
   3  * 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.modeling.template2d.ui.actions;
  13
  14 import org.simantics.Simantics;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.common.request.WriteRequest;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.db.layer0.adapter.ActionFactory;
  20 import org.simantics.modeling.template2d.ontology.Template2dResource;
  21
  22 public class ChangePageOrientation implements ActionFactory {
  23
  24     @Override
  25     public Runnable create(Object target) {
  26         if(!(target instanceof Resource))
  27             return null;
  28         final Resource parent = (Resource)target;
  29
  30         return new Runnable() {
  31             @Override
  32             public void run() {
  33                 Simantics.getSession().asyncRequest(new WriteRequest() {
  34                     @Override
  35                     public void perform(WriteGraph g) throws DatabaseException {
  36                         g.markUndoPoint();
  37                         Template2dResource TEMPLATE2D = Template2dResource.getInstance(g);
  38
  39                         if (!g.isInstanceOf(parent, TEMPLATE2D.DrawingTemplate))
  40                                 return;
  41
  42                         Resource oldOrientation = g.getPossibleObject(parent, TEMPLATE2D.HasPageOrientation);
  43                         if (oldOrientation == null)
  44                                 return;
  45
  46                         g.deny(parent, TEMPLATE2D.HasPageOrientation);
  47                         if (oldOrientation.equals(TEMPLATE2D.PageOrientation_Landscape))
  48                                 g.claim(parent, TEMPLATE2D.HasPageOrientation, TEMPLATE2D.PageOrientation_Portrait);
  49                         else
  50                                 g.claim(parent, TEMPLATE2D.HasPageOrientation, TEMPLATE2D.PageOrientation_Landscape);
  51                     }
  52                 });
  53             }
  54         };
  55     }
  56 }