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

   1 package org.simantics.modeling.ui.actions;\r
   2 \r
   3 import java.util.Collection;\r
   4 \r
   5 import org.eclipse.core.commands.AbstractHandler;\r
   6 import org.eclipse.core.commands.ExecutionEvent;\r
   7 import org.eclipse.core.commands.ExecutionException;\r
   8 import org.eclipse.jface.viewers.ISelection;\r
   9 import org.eclipse.jface.viewers.IStructuredSelection;\r
  10 import org.eclipse.ui.handlers.HandlerUtil;\r
  11 import org.simantics.db.Resource;\r
  12 import org.simantics.db.layer0.SelectionHints;\r
  13 import org.simantics.db.layer0.adapter.ActionFactory;\r
  14 import org.simantics.utils.ui.ISelectionUtils;\r
  15 \r
  16 /**\r
  17  * This class exists as a org.eclipse.ui.handler extension point counterpart for\r
  18  * AssignSymbolGroup ActionFactory due to lack of multi-selection support in the\r
  19  * modeled {@link ActionFactory} contributions.\r
  20  * \r
  21  * @author Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>\r
  22  */\r
  23 public class AssignSymbolGroupsHandler extends AbstractHandler {\r
  24 \r
  25         @Override\r
  26         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  27                 ISelection s = HandlerUtil.getCurrentSelection(event);\r
  28                 if (!(s instanceof IStructuredSelection))\r
  29                         return null;\r
  30 \r
  31                 Collection<Resource> res = ISelectionUtils.getPossibleKeys(s, SelectionHints.KEY_MAIN, Resource.class);\r
  32                 if (!res.isEmpty())\r
  33                         new AssignSymbolGroup().assignGroups(res);\r
  34 \r
  35                 return null;\r
  36         }\r
  37 \r
  38 }\r