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

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