eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/concept/e4/ConceptViewPartE4.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.editor.view.concept.e4;
  11
  12 import java.util.ArrayList;
  13 import java.util.Iterator;
  14 import java.util.List;
  15 import java.util.Map.Entry;
  16
  17 import javax.annotation.PostConstruct;
  18
  19 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  20 import org.eclipse.e4.ui.services.EMenuService;
  21 import org.eclipse.jface.viewers.ISelection;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.jface.viewers.ListViewer;
  24 import org.eclipse.jface.viewers.StructuredSelection;
  25 import org.eclipse.jface.viewers.ViewerSorter;
  26 import org.eclipse.swt.widgets.Composite;
  27
  28 import eu.etaxonomy.cdm.model.taxon.Taxon;
  29 import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
  30 import eu.etaxonomy.taxeditor.editor.key.e4.AbstractGraphKeyEditorE4;
  31 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  32 import eu.etaxonomy.taxeditor.editor.view.concept.ConceptContentProvider;
  33 import eu.etaxonomy.taxeditor.editor.view.concept.ConceptLabelProvider;
  34 import eu.etaxonomy.taxeditor.editor.view.descriptive.e4.FactualDataPartE4;
  35 import eu.etaxonomy.taxeditor.editor.view.media.e4.MediaViewPartE4;
  36 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  37 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  38 import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;
  39 import eu.etaxonomy.taxeditor.view.e4.details.DetailsPartE4;
  40 import eu.etaxonomy.taxeditor.view.e4.supplementaldata.SupplementalDataPartE4;
  41
  42 /**
  43  *
  44  * @author pplitzner
  45  * @date 21.08.2017
  46  *
  47  */
  48 public class ConceptViewPartE4 extends AbstractCdmEditorPartE4
  49 implements IPartContentHasDetails, IPartContentHasSupplementalData{
  50
  51     @Override
  52     public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {
  53         if(activePart==thisPart){
  54             return;
  55         }
  56         if (!viewer.getControl().isDisposed()){
  57             viewer.getControl().setEnabled(true);
  58         }
  59         Object partObject = createPartObject(activePart);
  60         IStructuredSelection structuredSelection = createSelection(selection);
  61
  62         if (partObject instanceof DetailsPartE4 || partObject instanceof SupplementalDataPartE4
  63                 || partObject instanceof FactualDataPartE4|| partObject instanceof MediaViewPartE4) {
  64             // do not show empty page as these views are also used to edit the
  65             // description selected in this view
  66             return;
  67         }
  68                 else if(partObject instanceof AbstractGraphKeyEditorE4){
  69                         showEmptyPage();
  70                 }
  71                 else if(selection!=null){
  72                     showViewer(structuredSelection, activePart, viewer);
  73                 }
  74                 else {
  75                     showEmptyPage();
  76                 }
  77
  78         }
  79
  80         @PostConstruct
  81     public void create(Composite parent, EMenuService menuService, MPart thisPart) {
  82
  83             this.thisPart = thisPart;
  84
  85             ConceptRelationViewer conceptViewer = new ConceptRelationViewer(parent);
  86
  87             conceptViewer.setContentProvider(new ConceptContentProvider());
  88             conceptViewer.setLabelProvider(new ConceptLabelProvider());
  89
  90
  91             conceptViewer.setSorter(new ViewerSorter());
  92
  93                 viewer = conceptViewer;
  94
  95                 // Propagate selection from viewer
  96         selectionChangedListener = (event -> selService.setSelection(viewer.getSelection()));
  97         viewer.addSelectionChangedListener(selectionChangedListener);
  98
  99         //create context menu
 100         menuService.registerContextMenu(viewer.getControl(), "eu.etaxonomy.taxeditor.editor.popupmenu.conceptview");
 101
 102         }
 103
 104         @Override
 105         public void changed(Object object) {
 106                 getViewer().refresh();
 107                 super.changed(object);
 108         }
 109
 110         private class ConceptRelationViewer extends ListViewer {
 111
 112                 public ConceptRelationViewer(Composite parent) {
 113                         super(parent);
 114                 }
 115
 116                 @Override
 117                 public ISelection getSelection() {
 118                         ISelection selection = super.getSelection();
 119                         List<TaxonRelationship> relationships = new ArrayList<>();
 120                         if(selection instanceof IStructuredSelection && !selection.isEmpty()){
 121                             for(Iterator iter = ((IStructuredSelection) selection).iterator();iter.hasNext();){
 122                                 Object object = iter.next();
 123                                 relationships.add(((Entry<TaxonRelationship, Taxon>)object).getKey());
 124                             }
 125                             return new StructuredSelection(relationships);
 126                         }
 127                         return selection;
 128                 }
 129
 130                 @Override
 131                 public void setSelection(ISelection selection) {
 132                         super.setSelection(selection);
 133                 }
 134
 135         }
 136
 137         @Override
 138         protected String getViewName() {
 139                 return Messages.ConceptViewPart_VIEWER_NAME;
 140         }
 141
 142 }