eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/handler/OpenDerivateViewHandler.java

   1 package eu.etaxonomy.taxeditor.editor.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.PartInitException;
   9 import org.eclipse.ui.handlers.HandlerUtil;
  10
  11 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  12 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  13 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateViewEditorInput;
  14 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  15
  16 public class OpenDerivateViewHandler extends AbstractHandler {
  17
  18     /* (non-Javadoc)
  19      * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  20      */
  21     @Override
  22     public Object execute(ExecutionEvent event) throws ExecutionException {
  23         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  24         if(currentSelection instanceof IStructuredSelection){
  25             Object selectedElement = ((IStructuredSelection) currentSelection).getFirstElement();
  26             if(selectedElement instanceof SpecimenOrObservationBase<?>){
  27
  28                 DerivateViewEditorInput input = new DerivateViewEditorInput(((SpecimenOrObservationBase<?>) selectedElement).getUuid());
  29                 try {
  30                     EditorUtil.open(input);
  31                 } catch (PartInitException e) {
  32                     AbstractUtility.error(OpenDerivateViewHandler.class, "Could not open DerivateView", e);
  33                 } catch (NullPointerException npe){
  34                     AbstractUtility.errorDialog("Failed to open Editor", OpenDerivateViewHandler.class, "Could not open DerivateView. The derivate hierarchy is corrupted!", npe);
  35                 }
  36             }
  37         }
  38         return null;
  39     }
  40
  41 }