eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/e4/FactualDataPartE4.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.editor.view.descriptive.e4;
  11
  12 import java.util.Arrays;
  13 import java.util.HashMap;
  14 import java.util.List;
  15 import java.util.Map;
  16
  17 import javax.annotation.PostConstruct;
  18
  19 import org.eclipse.e4.core.contexts.ContextInjectionFactory;
  20 import org.eclipse.e4.core.contexts.IEclipseContext;
  21 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  22 import org.eclipse.e4.ui.services.EMenuService;
  23 import org.eclipse.jface.viewers.AbstractTreeViewer;
  24 import org.eclipse.jface.viewers.IStructuredSelection;
  25 import org.eclipse.jface.viewers.ITreeContentProvider;
  26 import org.eclipse.jface.viewers.StructuredSelection;
  27 import org.eclipse.jface.viewers.TreeNode;
  28 import org.eclipse.jface.viewers.TreeViewer;
  29 import org.eclipse.swt.SWT;
  30 import org.eclipse.swt.dnd.DND;
  31 import org.eclipse.swt.dnd.Transfer;
  32 import org.eclipse.swt.widgets.Composite;
  33 import org.eclipse.swt.widgets.Tree;
  34
  35 import eu.etaxonomy.cdm.model.common.CdmBase;
  36 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  37 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  38 import eu.etaxonomy.cdm.model.description.IDescribable;
  39 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  40 import eu.etaxonomy.cdm.model.taxon.Taxon;
  41 import eu.etaxonomy.taxeditor.bulkeditor.e4.BulkEditorE4;
  42 import eu.etaxonomy.taxeditor.editor.l10n.Messages;
  43 import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
  44 import eu.etaxonomy.taxeditor.editor.view.checklist.e4.ChecklistEditorE4;
  45 import eu.etaxonomy.taxeditor.editor.view.concept.e4.ConceptViewPartE4;
  46 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementDragListener;
  47 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementDropAdapter;
  48 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptionElementTransfer;
  49 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveContentProvider;
  50 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveLabelProvider;
  51 import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveViewerSorter;
  52 import eu.etaxonomy.taxeditor.editor.view.media.e4.MediaViewPartE4;
  53 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  54 import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
  55 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  56 import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
  57 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  58 import eu.etaxonomy.taxeditor.session.ICdmEntitySession;
  59 import eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled;
  60 import eu.etaxonomy.taxeditor.view.e4.AbstractCdmEditorPartE4;
  61 import eu.etaxonomy.taxeditor.view.e4.details.DetailsPartE4;
  62 import eu.etaxonomy.taxeditor.view.e4.supplementaldata.SupplementalDataPartE4;
  63 import eu.etaxonomy.taxeditor.workbench.part.ICollapsableExpandable;
  64
  65 /**
  66  * @author pplitzner
  67  * @date 15.08.2017
  68  *
  69  */
  70 public class FactualDataPartE4 extends AbstractCdmEditorPartE4
  71         implements IPartContentHasDetails, IPartContentHasSupplementalData, ICdmEntitySessionEnabled,
  72         ICollapsableExpandable {
  73
  74     /**
  75      * Maps {@link FeatureNodeContainerTree} to their corresponding {@link TaxonDescritpion}.<br>
  76      * This serves as input for the {@link ITreeContentProvider} of the {@link TreeViewer}
  77      */
  78     protected Map<DescriptionBase<?>, FeatureNodeContainerTree> featureNodeContainerCache = new HashMap<DescriptionBase<?>, FeatureNodeContainerTree>();
  79
  80     protected int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;
  81
  82     private DescriptiveContentProvider provider;
  83
  84     @PostConstruct
  85     public void create(Composite parent, EMenuService menuService, MPart thisPart,
  86             IEclipseContext context) {
  87         TreeViewer treeViewer = new TreeViewer(new Tree(parent, SWT.H_SCROLL
  88                 | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI));
  89
  90         this.thisPart = thisPart;
  91
  92         provider = new DescriptiveContentProvider(featureNodeContainerCache);
  93         treeViewer.setContentProvider(provider);
  94         treeViewer.setLabelProvider(new DescriptiveLabelProvider());
  95         treeViewer.setSorter(new DescriptiveViewerSorter());
  96         treeViewer.setAutoExpandLevel(2);
  97         Transfer[] transfers = new Transfer[] { DescriptionElementTransfer.getInstance() };
  98         treeViewer.addDragSupport(dndOperations, transfers, new DescriptionElementDragListener(
  99                 this));
 100
 101
 102         viewer = treeViewer;
 103
 104         // Propagate selection from viewer
 105         selectionChangedListener = (event -> selService.setSelection(event.getSelection()));
 106         viewer.addSelectionChangedListener(selectionChangedListener);
 107         DescriptionElementDropAdapter dropListener = new DescriptionElementDropAdapter(viewer);
 108         ContextInjectionFactory.inject(dropListener, context);
 109         treeViewer.addDropSupport(dndOperations, transfers,
 110                 dropListener);
 111         //create context menu
 112         menuService.registerContextMenu(viewer.getControl(), "eu.etaxonomy.taxeditor.editor.popupmenu.factualDataView");
 113
 114     }
 115
 116     @Override
 117     public void selectionChanged_internal(Object selection, MPart activePart, MPart thisPart) {
 118         if(activePart==thisPart){
 119             return;
 120         }
 121
 122         Object partObject = createPartObject(activePart);
 123
 124         if (partObject instanceof DetailsPartE4 || partObject instanceof SupplementalDataPartE4
 125                 || partObject instanceof MediaViewPartE4 || partObject instanceof ConceptViewPartE4) {
 126             // do not show empty page as these views are also used to edit the
 127             // description selected in this view
 128             return;
 129         }
 130
 131         if(partObject instanceof IPartContentHasFactualData){
 132             if (!viewer.getControl().isDisposed()){
 133                 viewer.getControl().setEnabled(true);
 134             }
 135             IStructuredSelection structuredSelection = createSelection(selection);
 136             if(structuredSelection==null || structuredSelection.isEmpty()){
 137                 showEmptyPage();
 138                 return;
 139             }
 140             if(partObject instanceof ChecklistEditorE4){
 141                 if(structuredSelection.getFirstElement() instanceof Taxon){
 142                     Taxon taxon = (Taxon)structuredSelection.getFirstElement();
 143                     structuredSelection = new StructuredSelection(taxon);
 144                 }
 145             }
 146             Object firstElement = structuredSelection.getFirstElement();
 147             if (partObject instanceof TaxonNameEditorE4){
 148                 if (firstElement != ((TaxonNameEditorE4)partObject).getTaxon()){
 149                     showEmptyPage();
 150                     return;
 151                 }
 152             }
 153             if(firstElement instanceof TreeNode){
 154                 firstElement = ((TreeNode) firstElement).getValue();
 155             }
 156             if(firstElement instanceof IDescribable<?>
 157                 && partObject instanceof IPartContentHasFactualData
 158                     && !(firstElement instanceof SpecimenOrObservationBase && partObject instanceof BulkEditorE4)){
 159
 160                 featureNodeContainerCache.clear();
 161                 showViewer(structuredSelection, activePart, viewer);
 162                 return;
 163             }
 164         }
 165         showEmptyPage();
 166         return;
 167     }
 168
 169     @Override
 170     protected String getViewName(){
 171         return Messages.DescriptiveViewPart_FACTUAL_DATA;
 172     }
 173
 174     /** {@inheritDoc} */
 175     @Override
 176     public void changed(Object object) {
 177         for(FeatureNodeContainerTree containerTree : featureNodeContainerCache.values()){
 178             containerTree.buildTree();
 179         }
 180         ((AbstractTreeViewer) viewer).expandToLevel(2);
 181         viewer.refresh();
 182
 183         if(object instanceof DescriptionElementBase){
 184             DescriptionElementBase descriptionElement = (DescriptionElementBase) object;
 185             DescriptionBase description = descriptionElement.getInDescription();
 186             FeatureNodeContainerTree containerTree = featureNodeContainerCache.get(description);
 187
 188             FeatureNodeContainer featureNodeContainer = containerTree.getFeatureNodeContainerForDescriptionElement(descriptionElement);
 189             ((AbstractTreeViewer) viewer).expandToLevel(featureNodeContainer, 1);
 190
 191         }
 192
 193         if(object != null){
 194             StructuredSelection selection = new StructuredSelection(object);
 195             viewer.setSelection(selection, true);
 196         }
 197 //        if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
 198 //            ((BulkEditor) part).forceDirty();
 199 //            IStructuredSelection selection = (IStructuredSelection) ((BulkEditor) part).getSelectionProvider().getSelection();
 200 //            ((BulkEditor) part).changed(selection.getFirstElement());
 201 //
 202 //        }
 203 //
 204 //        if (part instanceof E4PartWrapper){
 205 //            part = WorkbenchUtility.getE4WrappedPart(part);
 206 //            if (part instanceof IDirtyMarkable){
 207 //                 StructuredSelection selection = new StructuredSelection(object);
 208 //                ((IDirtyMarkable)part).changed(selection.getFirstElement());
 209 //            }
 210 //        }
 211
 212
 213         super.changed(object);
 214     }
 215
 216     /**
 217      * {@inheritDoc}
 218      */
 219     @Override
 220     public void collapse() {
 221         if(viewer instanceof TreeViewer) {
 222             ((TreeViewer) viewer).collapseAll();
 223         }
 224     }
 225
 226     /**
 227      * {@inheritDoc}
 228      */
 229     @Override
 230     public void expand() {
 231         if(viewer instanceof TreeViewer) {
 232             ((TreeViewer) viewer).expandAll();
 233         }
 234     }
 235
 236     public void toggleShowOnlyIndividualAssociations(){
 237         provider.toggleShowOnlyIndividualAssociations();
 238         viewer.refresh();
 239     }
 240
 241     @Override
 242     public ICdmEntitySession getCdmEntitySession() {
 243         if(selectionProvidingPart != null && selectionProvidingPart instanceof ICdmEntitySessionEnabled) {
 244             return ((ICdmEntitySessionEnabled) selectionProvidingPart).getCdmEntitySession();
 245         }
 246         return null;
 247     }
 248
 249     @Override
 250     public  List<? extends CdmBase> getRootEntities() {
 251         return Arrays.asList((CdmBase)getViewer().getInput());
 252     }
 253     @Override
 254     public Map<Object, List<String>> getPropertyPathsMap() {
 255         return null;
 256     }
 257
 258 }