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.inject.Inject;
  13 import javax.inject.Named;
  14
  15 import org.eclipse.e4.core.di.annotations.Optional;
  16 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  17 import org.eclipse.e4.ui.services.IServiceConstants;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.jface.viewers.StructuredSelection;
  20 import org.eclipse.swt.widgets.Composite;
  21
  22 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  23 import eu.etaxonomy.cdm.model.description.Feature;
  24 import eu.etaxonomy.taxeditor.l10n.Messages;
  25 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  26 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  27 import eu.etaxonomy.taxeditor.view.e4.AbstractCdmDataViewerE4;
  28 import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;
  29 import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
  30
  31 /**
  32  * @author pplitzner
  33  * @date 18.07.2017
  34  *
  35  */
  36 public class DetailsPartE4 extends AbstractCdmEditorPartE4{
  37
  38     @Inject
  39     public DetailsPartE4() {
  40     }
  41
  42     /**
  43      * {@inheritDoc}
  44      */
  45     @Override
  46     protected AbstractCdmDataViewerE4 createViewer(Composite parent) {
  47         return new DetailsViewerE4(parent, this);
  48     }
  49
  50     @Inject
  51     @Optional
  52     public void selectionChanged(
  53             @Named(IServiceConstants.ACTIVE_SELECTION)Object selection,
  54             @Named(IServiceConstants.ACTIVE_PART)MPart activePart,
  55             MPart thisPart){
  56         if(activePart==thisPart){
  57             return;
  58         }
  59         if(selection==null){
  60             showEmptyPage();
  61             return;
  62         }
  63
  64         Object partObject = activePart;
  65         Object wrappedPart = WorkbenchUtility.getE4WrappedPart(activePart);
  66         if(wrappedPart!=null){
  67             partObject = wrappedPart;
  68         }
  69
  70         IStructuredSelection structuredSelection;
  71         if(!(selection instanceof IStructuredSelection)){
  72             structuredSelection = new StructuredSelection(selection);
  73         }
  74         else{
  75             structuredSelection = (IStructuredSelection) selection;
  76         }
  77         if(structuredSelection.isEmpty()){
  78             showEmptyPage();
  79             return;
  80         }
  81         if(partObject instanceof IPartContentHasDetails){
  82             if(partObject instanceof IConversationEnabled && ((IConversationEnabled) partObject).getConversationHolder()==null) {
  83                 //TODO show specific message (refactor EmptyElement to allow specific messages)
  84                 showEmptyPage();
  85                 return;
  86             }
  87             // do not show details for feature nodes TODO strange check to avoid having shown the distribution map for every FeatureNodeContainer
  88             if(structuredSelection.getFirstElement() instanceof FeatureNodeContainer){
  89                 // do show the map for distributions
  90                 Feature feature = ((FeatureNodeContainer) ((IStructuredSelection) selection).getFirstElement()).getFeature();
  91                 if(!feature.equals(Feature.DISTRIBUTION())){
  92                     showEmptyPage();
  93                     return;
  94                 }
  95             }
  96             showViewer(structuredSelection, activePart);
  97             return;
  98         }
  99         else{
 100             showEmptyPage();
 101             return;
 102         }
 103     }
 104
 105
 106     @Override
 107     protected String getViewName(){
 108         return Messages.DetailsViewPart_VIEWER_NAME;
 109     }
 110
 111 }