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

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