eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/derivate/handler/OpenDerivateEditorForTaxonHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2014 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.taxeditor.editor.view.derivate.handler;
  11
  12 import java.util.HashSet;
  13 import java.util.Iterator;
  14 import java.util.List;
  15 import java.util.Set;
  16 import java.util.UUID;
  17
  18 import org.eclipse.core.commands.AbstractHandler;
  19 import org.eclipse.core.commands.ExecutionEvent;
  20 import org.eclipse.core.commands.ExecutionException;
  21 import org.eclipse.jface.viewers.ISelection;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.ui.PartInitException;
  24 import org.eclipse.ui.handlers.HandlerUtil;
  25
  26 import eu.etaxonomy.cdm.api.service.IOccurrenceService;
  27 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  28 import eu.etaxonomy.cdm.model.taxon.Taxon;
  29 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  30 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  31 import eu.etaxonomy.taxeditor.editor.Messages;
  32 import eu.etaxonomy.taxeditor.editor.handler.OpenDerivateViewHandler;
  33 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateViewEditorInput;
  34 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  35 import eu.etaxonomy.taxeditor.store.CdmStore;
  36
  37 /**
  38  * @author pplitzner
  39  * @date Nov 25, 2014
  40  *
  41  */
  42 public class OpenDerivateEditorForTaxonHandler extends AbstractHandler {
  43
  44     private static final String COULD_NOT_OPEN_DERIVATIVE_EDITOR = Messages.OpenDerivateEditorForTaxonHandler_COULD_NOT_OPEN_EDITOR;
  45
  46     /* (non-Javadoc)
  47      * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  48      */
  49     @Override
  50     public Object execute(ExecutionEvent event) throws ExecutionException {
  51         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  52         if(currentSelection instanceof IStructuredSelection){
  53             Iterator<?> selectionIterator = ((IStructuredSelection) currentSelection).iterator();
  54             Set<UUID> derivateUuids = new HashSet<UUID>();
  55             while(selectionIterator.hasNext()){
  56                 Object object = selectionIterator.next();
  57                 if(object instanceof TaxonNode){
  58                     TaxonNode node = (TaxonNode)object;
  59                     Taxon taxon = node.getTaxon();
  60                      List<SpecimenOrObservationBase> listByAssociatedTaxon = CdmStore.getService(IOccurrenceService.class).listByAssociatedTaxon(null, null, taxon, null, null, null, null, null);
  61                      for (SpecimenOrObservationBase specimenOrObservationBase : listByAssociatedTaxon) {
  62                          derivateUuids.add(specimenOrObservationBase.getUuid());
  63                     }
  64                 }
  65             }
  66             if(derivateUuids.isEmpty()){
  67                 MessagingUtils.warningDialog(COULD_NOT_OPEN_DERIVATIVE_EDITOR, this, Messages.OpenDerivateEditorForTaxonHandler_NO_DERIVATIVES_FOUND);
  68                 return null;
  69             }
  70             DerivateViewEditorInput input = new DerivateViewEditorInput(derivateUuids);
  71             try {
  72                 EditorUtil.open(input);
  73             } catch (PartInitException e) {
  74                 MessagingUtils.error(OpenDerivateViewHandler.class, COULD_NOT_OPEN_DERIVATIVE_EDITOR, e);
  75             } catch (NullPointerException npe){
  76                 MessagingUtils.messageDialog(Messages.OpenDerivateEditorForTaxonHandler_FAILED_TO_OPEN, OpenDerivateViewHandler.class, Messages.OpenDerivateEditorForTaxonHandler_HIERARCHY_CORRUPTED, npe);
  77             }
  78         }
  79         return null;
  80     }
  81
  82 }