bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/actions/ExpandFlagsHandler.java

   1 package org.simantics.modeling.ui.actions;\r
   2 \r
   3 import java.util.Arrays;\r
   4 import java.util.HashSet;\r
   5 import java.util.List;\r
   6 import java.util.Set;\r
   7 \r
   8 import org.eclipse.core.runtime.IProgressMonitor;\r
   9 import org.simantics.db.Resource;\r
  10 import org.simantics.db.WriteGraph;\r
  11 import org.simantics.db.exception.DatabaseException;\r
  12 import org.simantics.diagram.synchronization.runtime.DiagramSelectionUpdater;\r
  13 import org.simantics.g2d.canvas.ICanvasContext;\r
  14 import org.simantics.modeling.flags.ExpandFlags;\r
  15 \r
  16 /**\r
  17  * @author Hannu Niemist&ouml;\r
  18  * @author Tuukka Lehtonen\r
  19  */\r
  20 public class ExpandFlagsHandler extends FlagOperationHandler {\r
  21 \r
  22     @Override\r
  23     protected void perform(IProgressMonitor monitor, WriteGraph graph, List<Resource> flags,\r
  24             ICanvasContext canvasContext) throws DatabaseException {\r
  25         monitor.beginTask("Expand Flags", IProgressMonitor.UNKNOWN);\r
  26 \r
  27         Set<Resource> newSelection = new HashSet<Resource>();\r
  28         for (Resource flag : flags) {\r
  29             Resource[] result = ExpandFlags.expandFlag(graph, flag);\r
  30             newSelection.addAll( Arrays.asList(result) );\r
  31         }\r
  32 \r
  33         // Make sure the diagram selection is set to the\r
  34         // merged flag after the merge.\r
  35         new DiagramSelectionUpdater( canvasContext )\r
  36         .setNewSelection(0, newSelection)\r
  37         .setOneshot(true)\r
  38         .track();\r
  39     }\r
  40 \r
  41 }\r