eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/uses/handler/DynamicFeatureMenu.java

   1 package eu.etaxonomy.taxeditor.editor.view.uses.handler;
   2
   3 //$Id$
   4 /**
   5 * Copyright (C) 2007 EDIT
   6 * European Distributed Institute of Taxonomy
   7 * http://www.e-taxonomy.eu
   8 *
   9 * The contents of this file are subject to the Mozilla Public License Version 1.1
  10 * See LICENSE.TXT at the top of this package for the full license terms.
  11 */
  12
  13 import org.eclipse.jface.action.ContributionItem;
  14 import org.eclipse.jface.action.IContributionItem;
  15 import org.eclipse.jface.viewers.ISelection;
  16 import org.eclipse.jface.viewers.IStructuredSelection;
  17 import org.eclipse.swt.events.SelectionEvent;
  18 import org.eclipse.swt.events.SelectionListener;
  19 import org.eclipse.swt.widgets.Event;
  20 import org.eclipse.swt.widgets.Menu;
  21 import org.eclipse.swt.widgets.MenuItem;
  22 import org.eclipse.ui.ISelectionService;
  23 import org.eclipse.ui.actions.CompoundContributionItem;
  24 import org.eclipse.ui.handlers.IHandlerService;
  25
  26 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  27 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  28 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  29 import eu.etaxonomy.cdm.model.description.Feature;
  30 import eu.etaxonomy.cdm.model.description.FeatureNode;
  31 import eu.etaxonomy.cdm.model.description.FeatureTree;
  32 import eu.etaxonomy.cdm.model.description.TaxonDescription;
  33 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  34 import eu.etaxonomy.taxeditor.editor.view.descriptive.operation.CreateDescriptionElementOperation;
  35 import eu.etaxonomy.taxeditor.editor.view.uses.UsesViewPart;
  36 import eu.etaxonomy.taxeditor.editor.view.uses.operation.CreateTaxonUseOperation;
  37 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  38 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  39 import eu.etaxonomy.taxeditor.store.CdmStore;
  40 import eu.etaxonomy.taxeditor.store.TermStore;
  41
  42 /**
  43  * <p>DynamicFeatureMenu class.</p>
  44  *
  45  * @author n.hoffmann
  46  * @created 17.04.2009
  47  * @version 1.0
  48  */
  49 public class DynamicFeatureMenu extends CompoundContributionItem {
  50
  51         private ISelectionService selectionService = EditorUtil.getActivePart().getSite().getWorkbenchWindow().getSelectionService();
  52         private IHandlerService handlerService = (IHandlerService) EditorUtil.getService(IHandlerService.class);
  53
  54         /* (non-Javadoc)
  55          * @see org.eclipse.ui.actions.CompoundContributionItem#getContributionItems()
  56          */
  57         /** {@inheritDoc} */
  58         @Override
  59         protected IContributionItem[] getContributionItems() {
  60
  61                 return new IContributionItem[] {
  62                                 new ContributionItem() {
  63                                         public void fill(Menu menu, int index){
  64
  65                                                 ISelection selection = selectionService.getSelection(UsesViewPart.ID);
  66
  67                                                 if(selection instanceof IStructuredSelection){
  68                                                         IStructuredSelection structuredSelection = (IStructuredSelection) selection;
  69                                                         Object selectedElement = structuredSelection.getFirstElement();
  70
  71                                                         if(selectedElement instanceof TaxonDescription){
  72                                                                 FeatureTree featureTree = getFeatureTree((TaxonDescription) selectedElement);
  73
  74                                                                 for(FeatureNode childNode : featureTree.getRootChildren()){
  75                                                                         createMenuItem(menu, childNode.getFeature());
  76                                                                 }
  77                                                         }
  78                                                         else if(selectedElement instanceof FeatureNodeContainer){
  79                                                                 FeatureNode featureNode = ((FeatureNodeContainer) selectedElement).getFeatureNode();
  80
  81                                                                 // add the feature to the menu
  82                                                                 createMenuItem(menu, featureNode.getFeature());
  83
  84                                                                 // add possible children to the menu
  85                                                                 for(FeatureNode childNode : featureNode.getChildren()){
  86                                                                         createMenuItem(menu, childNode.getFeature());
  87                                                                 }
  88                                                         }
  89                                                         else if(selectedElement instanceof DescriptionElementBase){
  90                                                                 Feature feature = ((DescriptionElementBase) selectedElement).getFeature();
  91                                                                 createMenuItem(menu, feature);
  92                                                         }
  93                                                 }
  94                                         }
  95                                 }
  96                 };
  97         }
  98
  99         private void createMenuItem(Menu menu, final Feature feature) {
 100                 MenuItem menuItem = new MenuItem(menu, -1);
 101                 final Feature deproxiedFeature = (Feature) HibernateProxyHelper.deproxy(feature);
 102                 menuItem.setText(deproxiedFeature.getLabel());
 103                 menuItem.addSelectionListener(new SelectionListener(){
 104
 105                         public void widgetDefaultSelected(SelectionEvent e) {}
 106
 107                         public void widgetSelected(SelectionEvent ev) {
 108                                 Event event = new Event();
 109                                 event.data = deproxiedFeature;
 110                                 try {
 111                                         //handlerService.executeCommand(CreateTaxonUseOperation.ID, event);
 112                                 } catch (Exception e) {
 113                                         EditorUtil.error(getClass(), e);
 114                                 }
 115                         }
 116                 });
 117         }
 118
 119         /**
 120          * Retrieves the feature tree associated with the given description
 121          *
 122          * TODO as of now this is always the same thing because feature trees may not be associated
 123          * to descriptions yet.
 124          *
 125          * @param description
 126          * @return
 127          */
 128         private FeatureTree getFeatureTree(DescriptionBase description){
 129                 FeatureTree featureTree = null;
 130
 131                 // TODO change this to the feature tree associated with this taxon description
 132                 if (description.hasStructuredData()){
 133                         featureTree = PreferencesUtil.getDefaultFeatureTreeForStructuredDescription();
 134                 }else{
 135                         featureTree = PreferencesUtil.getDefaultFeatureTreeForTextualDescription();
 136                 }
 137
 138                 if(featureTree == null){
 139                         //featureTree = FeatureTree.NewInstance(CdmStore.getTermManager().getPreferredFeatures());
 140                         featureTree = FeatureTree.NewInstance(CdmStore.getTermManager().getPreferredTerms(Feature.class));
 141                 }
 142
 143                 return featureTree;
 144         }
 145 }
 146