bundles/org.simantics.charts/src/org/simantics/charts/ui/NewChartGroup.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2013 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  *     Semantum Oy - issue #4262
  12  *******************************************************************************/
  13 package org.simantics.charts.ui;
  14
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.core.runtime.Status;
  17 import org.simantics.Simantics;
  18 import org.simantics.charts.Activator;
  19 import org.simantics.charts.ontology.ChartResource;
  20 import org.simantics.databoard.Bindings;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.WriteGraph;
  23 import org.simantics.db.common.request.WriteResultRequest;
  24 import org.simantics.db.common.utils.NameUtils;
  25 import org.simantics.db.exception.DatabaseException;
  26 import org.simantics.db.layer0.adapter.ActionFactory;
  27 import org.simantics.layer0.Layer0;
  28
  29 /**
  30  * @author Tuukka Lehtonen
  31  */
  32 public class NewChartGroup implements ActionFactory {
  33
  34     @Override
  35     public Runnable create(Object target) {
  36         if(!(target instanceof Resource))
  37             return null;
  38         final Resource parent = (Resource)target;
  39
  40         return new Runnable() {
  41             @Override
  42             public void run() {
  43                 try {
  44                     createChartGroup(parent);
  45                 } catch (DatabaseException e) {
  46                     Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Failed to create chart group.", e));
  47                 }
  48             }
  49         };
  50     }
  51
  52     public static Resource createChartGroup (final Resource target) throws DatabaseException {
  53
  54         return Simantics.getSession().syncRequest(new WriteResultRequest<Resource>() {
  55             @Override
  56             public Resource perform(WriteGraph g) throws DatabaseException {
  57                 g.markUndoPoint();
  58                 Layer0 l0 = Layer0.getInstance(g);
  59                 ChartResource wr = ChartResource.getInstance(g);
  60                 String freshName = NameUtils.findFreshName(g, "Chart Group", target);
  61                 Resource chart = g.newResource();
  62                 g.claim(chart, l0.InstanceOf, null, wr.ChartGroup);
  63                 g.claimLiteral(chart, l0.HasName, freshName, Bindings.STRING);
  64                 g.claim(chart, l0.PartOf, target);
  65                 return chart;
  66             }
  67         });
  68
  69     }
  70
  71 }