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