eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/e4/supplementaldata/SupplementalDataPartE4.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 package eu.etaxonomy.taxeditor.view.e4.supplementaldata;
  10
  11 import java.util.Set;
  12
  13 import javax.annotation.PostConstruct;
  14 import javax.inject.Inject;
  15
  16 import org.eclipse.e4.core.contexts.ContextInjectionFactory;
  17 import org.eclipse.e4.core.contexts.IEclipseContext;
  18 import org.eclipse.e4.core.di.annotations.Optional;
  19 import org.eclipse.e4.ui.di.UIEventTopic;
  20 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  21 import org.eclipse.jface.viewers.IStructuredSelection;
  22 import org.eclipse.jface.viewers.StructuredSelection;
  23 import org.eclipse.jface.viewers.TreeNode;
  24 import org.eclipse.swt.SWTException;
  25 import org.eclipse.swt.widgets.Composite;
  26
  27 import eu.etaxonomy.cdm.ext.occurrence.gbif.GbifResponse;
  28 import eu.etaxonomy.cdm.facade.DerivedUnitFacade;
  29 import eu.etaxonomy.cdm.model.common.ICdmBase;
  30 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  31 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  32 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  33 import eu.etaxonomy.cdm.model.taxon.Taxon;
  34 import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;
  35 import eu.etaxonomy.cdm.persistence.dto.TermDto;
  36 import eu.etaxonomy.cdm.persistence.dto.TermNodeDto;
  37 import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;
  38 import eu.etaxonomy.taxeditor.editor.ITaxonEditor;
  39 import eu.etaxonomy.taxeditor.event.WorkbenchEventConstants;
  40 import eu.etaxonomy.taxeditor.l10n.Messages;
  41 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  42 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  43 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  44 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  45 import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPart;
  46
  47 /**
  48  * @author pplitzner
  49  * @since Aug 10, 2017
  50  */
  51 public class SupplementalDataPartE4 extends AbstractCdmEditorPart<SupplementalDataViewerE4> {
  52
  53         @Inject
  54     public SupplementalDataPartE4() {}
  55
  56         @PostConstruct
  57         public void create(Composite parent, MPart thisPart, IEclipseContext context) {
  58
  59             this.thisPart = thisPart;
  60
  61             viewer = ContextInjectionFactory.make(SupplementalDataViewerE4.class, context);
  62             viewer.init(parent, this);
  63         }
  64
  65     @Override
  66     public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {
  67             if(activePart == thisPart){
  68                 return;
  69             }
  70 //          setEnabled(true);
  71         Object partObject = getPartObject(activePart);
  72
  73             if(partObject instanceof IPartContentHasSupplementalData) {
  74                 setEnabled(true);
  75
  76                 IStructuredSelection structuredSelection = createSelection(selection);
  77                 if(structuredSelection == null || structuredSelection.isEmpty()){
  78                     showEmptyPage();
  79                     return;
  80                 }
  81                 if(structuredSelection.size() != 1){
  82                     showEmptyPage();
  83                     return;
  84                 }
  85                 if (partObject instanceof ITaxonEditor && structuredSelection.getFirstElement() instanceof Taxon ){
  86                     if (((ITaxonEditor)partObject).getTaxon() != structuredSelection.getFirstElement() && ((Taxon)structuredSelection.getFirstElement()).isMisapplication()){
  87                         Set<TaxonRelationship> rels =((Taxon)structuredSelection.getFirstElement()).getTaxonRelations(((ITaxonEditor)partObject).getTaxon());
  88                         if (rels != null && rels.size() == 1){
  89                             structuredSelection = new StructuredSelection(rels.iterator().next());
  90                         }else{
  91                             showEmptyPage();
  92                             return;
  93                         }
  94                     }
  95                 }
  96                 // do not show supplemental data for feature nodes
  97                 if(structuredSelection.getFirstElement() instanceof FeatureNodeContainer){
  98                     showEmptyPage();
  99                     return;
 100                 }
 101
 102                 else if(structuredSelection.getFirstElement() instanceof DerivedUnitFacade){
 103                     return;
 104                 }
 105                 else if(structuredSelection.getFirstElement() instanceof PolytomousKeyNode){
 106                     structuredSelection = new StructuredSelection(((PolytomousKeyNode)structuredSelection.getFirstElement()).getKey());
 107                 }
 108                 else if(structuredSelection.getFirstElement() instanceof TreeNode){
 109                     structuredSelection = new StructuredSelection(((TreeNode)structuredSelection.getFirstElement()).getValue());
 110                 }
 111                 else if(structuredSelection.getFirstElement() instanceof GbifResponse){
 112                     structuredSelection = new StructuredSelection(((GbifResponse)structuredSelection.getFirstElement()).getDerivedUnitFacade().innerDerivedUnit());
 113                 }
 114                 else if(structuredSelection.getFirstElement() instanceof DescriptionElementBase ){
 115                     structuredSelection = new StructuredSelection((structuredSelection.getFirstElement()));
 116
 117                     if (((DescriptionElementBase)structuredSelection.getFirstElement()).getInDescription() != null && (((DescriptionElementBase)structuredSelection.getFirstElement()).getInDescription().isComputed() || ((DescriptionElementBase)structuredSelection.getFirstElement()).getInDescription().isCloneForSource())){
 118                     if (PreferencesUtil.isComputedDesciptionHandlingDisabled()){
 119                         setEnabled(false);
 120                     }else{
 121                         setEnabled(true);
 122                     }
 123                 }
 124             }
 125                 else if(structuredSelection.getFirstElement() instanceof DescriptionBase ){
 126
 127                 if (((DescriptionBase<?>)structuredSelection.getFirstElement()).isComputed() || ((DescriptionBase<?>)structuredSelection.getFirstElement()).isCloneForSource()){
 128                     if (PreferencesUtil.isComputedDesciptionHandlingDisabled()){
 129                         setEnabled(false);
 130                     }else{
 131                         setEnabled(true);
 132                     }
 133                 }
 134             }
 135                 else if(structuredSelection.getFirstElement() instanceof TermDto
 136                         || structuredSelection.getFirstElement() instanceof TermVocabularyDto
 137                         || structuredSelection.getFirstElement() instanceof TermNodeDto){
 138                     showViewer(structuredSelection, activePart, viewer);
 139                     return;
 140                 }
 141
 142                 if(!(structuredSelection.getFirstElement() instanceof ICdmBase)){
 143                     showEmptyPage();
 144                     return;
 145                 }
 146                 showViewer(structuredSelection, activePart, viewer);
 147                 viewer.setEnabled(isEnabled());
 148
 149                 return;
 150             }
 151         else{
 152                 showEmptyPage();
 153                 return;
 154             }
 155         }
 156
 157     @Override
 158     protected void showEmptyPage() {
 159         super.showEmptyPage();
 160         if(viewer != null && viewer.getControl() !=null && !viewer.getControl().isDisposed()){
 161                 try{
 162                         viewer.destroySections();
 163                 }catch (SWTException e){
 164                         if (PreferencesUtil.isShowUpWidgetIsDisposedMessages() && e.getMessage().equals("Widget is disposed")){
 165                     MessagingUtils.errorDialog("Widget is disposed",
 166                             null,
 167                             MessagingUtils.WIDGET_IS_DISPOSED_MESSAGE,
 168                             null,
 169                             e,
 170                             true);
 171                 }
 172                 }
 173         }
 174     }
 175
 176         @Override
 177     protected String getViewName() {
 178                 return Messages.SupplementalDataViewPart_VIEWER_NAME;
 179         }
 180
 181         @Inject
 182     @Optional
 183     private void updateView(@UIEventTopic(WorkbenchEventConstants.REFRESH_SUPPLEMENTAL)boolean refresh){
 184         if(refresh){
 185             viewer.refresh();
 186         }
 187     }
 188 }