eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/handler/OpenHandler.java

   1 package eu.etaxonomy.taxeditor.handler;
   2
   3 import org.eclipse.core.commands.AbstractHandler;
   4 import org.eclipse.core.commands.ExecutionEvent;
   5 import org.eclipse.core.commands.ExecutionException;
   6 import org.eclipse.jface.viewers.ISelection;
   7 import org.eclipse.jface.viewers.IStructuredSelection;
   8 import org.eclipse.ui.handlers.HandlerUtil;
   9
  10 import eu.etaxonomy.taxeditor.view.CdmViewerChooser;
  11
  12 /**
  13  * Opens the (first) currently selected element in a viewer. Opens a list of
  14  * possible viewers if more than one are registered for this element.
  15  *
  16  * @author pplitzner
  17  * @date Jul 6, 2015
  18  *
  19  */
  20 public class OpenHandler extends AbstractHandler {
  21
  22     @Override
  23     public Object execute(ExecutionEvent event) throws ExecutionException {
  24         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  25         if(currentSelection instanceof IStructuredSelection){
  26             Object firstElement = ((IStructuredSelection) currentSelection).getFirstElement();
  27             CdmViewerChooser viewerChooser = new CdmViewerChooser(HandlerUtil.getActiveShell(event));
  28             viewerChooser.chooseViewer(firstElement);
  29         }
  30         return null;
  31     }
  32
  33 }