eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/e4/details/DetailsPartE4.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2017 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.view.e4.details;
  11
  12 import javax.annotation.PostConstruct;
  13 import javax.inject.Inject;
  14
  15 import org.eclipse.e4.core.contexts.ContextInjectionFactory;
  16 import org.eclipse.e4.core.contexts.IEclipseContext;
  17 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.swt.widgets.Composite;
  20
  21 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  22 import eu.etaxonomy.cdm.model.description.Feature;
  23 import eu.etaxonomy.taxeditor.l10n.Messages;
  24 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  25 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  26 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  27 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  28 import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;
  29 import eu.etaxonomy.taxeditor.view.e4.supplementaldata.SupplementalDataPartE4;
  30 import eu.etaxonomy.taxeditor.workbench.part.ISelectionElementEditingPart;
  31
  32 /**
  33  * @author pplitzner
  34  * @date 18.07.2017
  35  *
  36  */
  37 public class DetailsPartE4 extends AbstractCdmEditorPartE4 implements IPartContentHasSupplementalData {
  38
  39     @Inject
  40     public DetailsPartE4() {
  41     }
  42
  43     @PostConstruct
  44     public void create(Composite parent, MPart thisPart, IEclipseContext context) {
  45
  46         this.thisPart = thisPart;
  47
  48         viewer = ContextInjectionFactory.make(DetailsViewerE4.class, context);
  49         ((DetailsViewerE4)viewer).init(parent, this);
  50
  51         // Propagate selection from viewer
  52         selectionChangedListener = (event -> selService.setSelection(AbstractUtility.getElementsFromSelectionChangedEvent(event)));
  53         viewer.addSelectionChangedListener(selectionChangedListener);
  54     }
  55
  56     @Override
  57     public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {
  58         if (activePart==thisPart){
  59             return;
  60         }
  61
  62         Object partObject = createPartObject(activePart);
  63         if (partObject instanceof SupplementalDataPartE4) {
  64             // do not show empty page
  65             return;
  66         }
  67
  68         if(partObject instanceof IPartContentHasDetails){
  69             IStructuredSelection structuredSelection = createSelection(selection);
  70             if(structuredSelection==null || structuredSelection.isEmpty()){
  71                 showEmptyPage();
  72                 return;
  73             }
  74             if(!(partObject instanceof ISelectionElementEditingPart) &&
  75                     partObject instanceof IConversationEnabled && ((IConversationEnabled) partObject).getConversationHolder()==null) {
  76                 //TODO show specific message (refactor EmptyElement to allow specific messages)
  77                 showEmptyPage();
  78                 return;
  79             }
  80             // do not show details for feature nodes TODO strange check to avoid having shown the distribution map for every FeatureNodeContainer
  81             if(structuredSelection.getFirstElement() instanceof FeatureNodeContainer){
  82                 // do show the map for distributions
  83                 Feature feature = ((FeatureNodeContainer) structuredSelection.getFirstElement()).getFeature();
  84                 if(!feature.equals(Feature.DISTRIBUTION())){
  85                     showEmptyPage();
  86                     return;
  87                 }
  88             }
  89 //            if (partObject instanceof IDistributionEditor){
  90 //
  91 //                showViewer(structuredSelection, activePart, viewer);
  92 //                return;
  93 //
  94 //            }
  95             showViewer(structuredSelection, activePart, viewer);
  96             return;
  97         }
  98         else{
  99             showEmptyPage();
 100             return;
 101         }
 102     }
 103
 104     @Override
 105     protected void showEmptyPage() {
 106         super.showEmptyPage();
 107         if(viewer!=null && viewer.getControl()!=null && !viewer.getControl().isDisposed() ){
 108             ((DetailsViewerE4)viewer).destroySections();
 109         }
 110     }
 111
 112     @Override
 113     protected String getViewName(){
 114         return Messages.DetailsViewPart_VIEWER_NAME;
 115     }
 116
 117 }