bundles/org.simantics.diagram/src/org/simantics/diagram/handler/DefaultCopyPasteStrategy.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.diagram.handler;
  13
  14 import org.simantics.Simantics;
  15 import org.simantics.db.Session;
  16 import org.simantics.db.exception.DatabaseException;
  17 import org.simantics.db.layer0.util.SimanticsClipboardImpl;
  18 import org.simantics.utils.ui.ErrorLogger;
  19
  20 /**
  21  * The default strategy for pasting diagram elements.
  22  *
  23  * @author Tuukka Lehtonen
  24  */
  25 public class DefaultCopyPasteStrategy implements CopyPasteStrategy {
  26
  27     @Override
  28     public void paste(final PasteOperation op) {
  29         try {
  30             if (op.sameDiagram() && op.cut) {
  31                 CopyPasteUtil.localCutPaste(op);
  32             } else {
  33                 Session session = Simantics.getSession();
  34                 if (CopyPasteUtil.onlyFlagsWithoutCorrespondence(session, op.ea)
  35                         && CopyPasteUtil.checkFlagExternality(session, op.ea.flags, false)) {
  36                     CopyPasteUtil.continueFlags(op);
  37                 } else {
  38                     CopyPasteUtil.performDefaultPaste(op);
  39                 }
  40             }
  41         } catch (DatabaseException e) {
  42             ErrorLogger.defaultLogError(e);
  43         }
  44     }
  45
  46     @Override
  47     public void copyToClipboard(DiagramSelection selection) {
  48
  49         Simantics.setClipboard( new SimanticsClipboardImpl( new DiagramSelectionRepresentation(selection) ) );
  50
  51     }
  52
  53 }