taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/handler/OpenRelatedConceptHandler.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 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
  11 package eu.etaxonomy.taxeditor.editor.view.concept.handler;
  12
  13 import java.util.Iterator;
  14
  15 import org.eclipse.core.commands.AbstractHandler;
  16 import org.eclipse.core.commands.ExecutionEvent;
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.IStructuredSelection;
  20 import org.eclipse.ui.PartInitException;
  21 import org.eclipse.ui.handlers.HandlerUtil;
  22
  23 import eu.etaxonomy.cdm.model.taxon.Taxon;
  24 import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
  25 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  26 import eu.etaxonomy.taxeditor.editor.MultiPageTaxonEditor;
  27
  28 /**
  29  * @author n.hoffmann
  30  * @created Jan 25, 2011
  31  * @version 1.0
  32  */
  33 public class OpenRelatedConceptHandler extends AbstractHandler {
  34
  35         /* (non-Javadoc)
  36          * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
  37          */
  38         @Override
  39         public Object execute(ExecutionEvent event) throws ExecutionException {
  40                 MultiPageTaxonEditor editor = EditorUtil.getActiveMultiPageTaxonEditor();
  41
  42                 ISelection selection = HandlerUtil.getActiveMenuSelection(event);
  43
  44                 if(selection instanceof IStructuredSelection){
  45                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  46                         Iterator iterator = structuredSelection.iterator();
  47
  48                         while (iterator.hasNext()){
  49                                 Object element = iterator.next();
  50                                 if(element instanceof TaxonRelationship){
  51                                         Taxon relatedTaxon = getRelatedTaxon((TaxonRelationship) element, editor.getTaxon());
  52
  53                                         try {
  54                                                 EditorUtil.openTaxonBase(relatedTaxon.getUuid());
  55                                         } catch (PartInitException e) {
  56                                                 EditorUtil.errorDialog("Could not open taxon", getClass(),
  57                                                                 String.format("Could not open the taxon: %s" ,relatedTaxon), e);
  58                                         }
  59                                 }
  60                         }
  61                 }
  62
  63                 return null;
  64         }
  65
  66
  67         private Taxon getRelatedTaxon(TaxonRelationship relationship, Taxon taxon){
  68                 if (relationship.getFromTaxon().equals(taxon)){
  69                         return relationship.getToTaxon();
  70                 }
  71                 else if(relationship.getToTaxon().equals(taxon)){
  72                         return relationship.getFromTaxon();
  73                 }
  74                 else{
  75                         return null;
  76                 }
  77         }
  78 }