bundles/org.simantics.modeling.template2d.ui/src/org/simantics/modeling/template2d/ui/adapters/SVGImagePasteHandler.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.adapters;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16 import java.util.Set;
  17
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.WriteGraph;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.db.layer0.adapter.impl.DefaultPasteHandler;
  22 import org.simantics.db.layer0.adapter.impl.DefaultPasteImportAdvisor;
  23 import org.simantics.db.layer0.util.ClipboardUtils;
  24 import org.simantics.db.layer0.util.PasteEventHandler;
  25 import org.simantics.db.layer0.util.SimanticsClipboard.Representation;
  26 import org.simantics.db.layer0.util.SimanticsKeys;
  27 import org.simantics.graph.db.IImportAdvisor;
  28 import org.simantics.graph.db.IImportAdvisor2;
  29 import org.simantics.graph.representation.TransferableGraph1;
  30 import org.simantics.modeling.template2d.ui.function.LinkSVGImage;
  31
  32 public class SVGImagePasteHandler extends DefaultPasteHandler {
  33
  34         public SVGImagePasteHandler(Resource resource) {
  35                 super(resource);
  36         }
  37
  38         @Override
  39         public void onPasteBegin(WriteGraph graph) {
  40
  41         }
  42
  43         @Override
  44         public void execute(WriteGraph graph, TransferableGraph1 tg,
  45                 Resource resource, IImportAdvisor advisor) throws DatabaseException {
  46         }
  47
  48         @Override
  49     public Collection<Resource> pasteObject(WriteGraph graph, Set<Representation> object, PasteEventHandler handler) throws DatabaseException {
  50                 Collection<Resource> result = new ArrayList<Resource>();
  51         TransferableGraph1 tg = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
  52         if (tg != null) {
  53             DefaultPasteImportAdvisor advisor = new DefaultPasteImportAdvisor((Resource)getAdapter(Resource.class));
  54             try {
  55                 onPaste(graph, advisor, object);
  56             } catch (Throwable e) {
  57             }
  58         }
  59         return result;
  60     }
  61
  62     @Override
  63         public void onPaste(WriteGraph graph, IImportAdvisor2 advisor, Set<Representation> representations) throws DatabaseException {
  64
  65                 final Resource parent = advisor.getTarget();
  66                 final Collection<Resource> child = ClipboardUtils.accept(representations, SimanticsKeys.KEY_COPY_RESOURCES);
  67                 if(child != null) {
  68                     if(child.size() == 1) {
  69                         LinkSVGImage.linkSVGImage(graph, parent, child.iterator().next());
  70                     }
  71                 }
  72
  73     }
  74
  75         @Override
  76         public void onPasteEnd(WriteGraph graph){
  77
  78         }
  79 }