eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/descriptive/DescriptiveViewPart.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 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
  11 package eu.etaxonomy.taxeditor.editor.view.descriptive;
  12
  13 import java.util.HashMap;
  14 import java.util.HashSet;
  15 import java.util.Iterator;
  16 import java.util.Map;
  17 import java.util.Set;
  18 import java.util.UUID;
  19
  20 import org.eclipse.jface.action.Action;
  21 import org.eclipse.jface.action.GroupMarker;
  22 import org.eclipse.jface.action.IAction;
  23 import org.eclipse.jface.action.IToolBarManager;
  24 import org.eclipse.jface.action.MenuManager;
  25 import org.eclipse.jface.resource.ImageDescriptor;
  26 import org.eclipse.jface.viewers.DoubleClickEvent;
  27 import org.eclipse.jface.viewers.IDoubleClickListener;
  28 import org.eclipse.jface.viewers.ISelection;
  29 import org.eclipse.jface.viewers.IStructuredSelection;
  30 import org.eclipse.jface.viewers.ITreeContentProvider;
  31 import org.eclipse.jface.viewers.StructuredSelection;
  32 import org.eclipse.jface.viewers.TreeNode;
  33 import org.eclipse.jface.viewers.TreeSelection;
  34 import org.eclipse.jface.viewers.TreeViewer;
  35 import org.eclipse.jface.viewers.Viewer;
  36 import org.eclipse.swt.SWT;
  37 import org.eclipse.swt.dnd.DND;
  38 import org.eclipse.swt.dnd.Transfer;
  39 import org.eclipse.swt.graphics.ImageData;
  40 import org.eclipse.swt.widgets.Composite;
  41 import org.eclipse.swt.widgets.Control;
  42 import org.eclipse.swt.widgets.Menu;
  43 import org.eclipse.swt.widgets.Tree;
  44 import org.eclipse.ui.IWorkbenchActionConstants;
  45 import org.eclipse.ui.IWorkbenchPart;
  46 import org.eclipse.ui.PartInitException;
  47
  48 import eu.etaxonomy.cdm.model.common.CdmBase;
  49 import eu.etaxonomy.cdm.model.description.DescriptionBase;
  50 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  51 import eu.etaxonomy.cdm.model.description.IDescribable;
  52 import eu.etaxonomy.cdm.model.description.IndividualsAssociation;
  53 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  54 import eu.etaxonomy.cdm.model.taxon.Taxon;
  55 import eu.etaxonomy.taxeditor.bulkeditor.BulkEditor;
  56 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  57 import eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor;
  58 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateView;
  59 import eu.etaxonomy.taxeditor.editor.view.derivate.DerivateViewEditorInput;
  60 import eu.etaxonomy.taxeditor.model.AbstractUtility;
  61 import eu.etaxonomy.taxeditor.model.FeatureNodeContainer;
  62 import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree;
  63 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  64 import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
  65 import eu.etaxonomy.taxeditor.model.IPartContentHasSupplementalData;
  66 import eu.etaxonomy.taxeditor.model.ImageResources;
  67 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  68 import eu.etaxonomy.taxeditor.view.AbstractCdmEditorViewPart;
  69 import eu.etaxonomy.taxeditor.view.detail.DetailsViewPart;
  70 import eu.etaxonomy.taxeditor.view.supplementaldata.SupplementalDataViewPart;
  71
  72 /**
  73  * <p>DescriptiveViewPart class.</p>
  74  *
  75  * @author n.hoffmann
  76  * @created Jun 9, 2010
  77  * @version 1.0
  78  */
  79 public class DescriptiveViewPart extends AbstractCdmEditorViewPart implements IPartContentHasDetails, IPartContentHasSupplementalData {
  80
  81         /** Constant <code>ID="eu.etaxonomy.taxeditor.editor.view.desc"{trunked}</code> */
  82         public static final String ID = "eu.etaxonomy.taxeditor.editor.view.descriptive";
  83
  84         protected TreeViewer viewer;
  85
  86         /**
  87          * Maps {@link FeatureNodeContainerTree} to their corresponding {@link TaxonDescritpion}.<br>
  88          * This serves as input for the {@link ITreeContentProvider} of the {@link TreeViewer}
  89          */
  90         protected Map<DescriptionBase<?>, FeatureNodeContainerTree> featureNodeContainerCache = new HashMap<DescriptionBase<?>, FeatureNodeContainerTree>();
  91
  92         protected ToggleDescriptionAction showAllElementsAction;
  93
  94         protected ToggleDescriptionAction hideAllElementsAction;
  95
  96         protected int dndOperations = DND.DROP_COPY | DND.DROP_MOVE;
  97
  98     private DescriptiveContentProvider provider;
  99
 100         /** {@inheritDoc} */
 101         @Override
 102         public void createViewer(Composite parent) {
 103                 viewer = new TreeViewer(new Tree(parent, SWT.MULTI | SWT.H_SCROLL
 104                                 | SWT.V_SCROLL | SWT.FULL_SELECTION));
 105                 provider = new DescriptiveContentProvider(featureNodeContainerCache);
 106         viewer.setContentProvider(provider);
 107                 viewer.setLabelProvider(new DescriptiveLabelProvider());
 108                 viewer.setSorter(new DescriptiveViewerSorter());
 109                 viewer.setAutoExpandLevel(2);
 110                 Transfer[] transfers = new Transfer[] { DescriptionElementTransfer.getInstance() };
 111                 viewer.addDragSupport(dndOperations, transfers, new DescriptionElementDragListener(
 112                                 this));
 113                 viewer.addDropSupport(dndOperations, transfers,
 114                                 new DescriptionElementDropAdapter(viewer));
 115
 116                 // Propagate selection from viewer
 117                 getSite().setSelectionProvider(viewer);
 118
 119                 showAllElementsAction = new ToggleDescriptionAction(false);
 120                 hideAllElementsAction = new ToggleDescriptionAction(true);
 121
 122                 // Add context menu to tree
 123                 createMenu();
 124
 125                 createToolbar();
 126
 127                 // set initial input
 128 //              if(getEditor() != null){
 129 //                      viewer.setInput(getEditor().getEditorInput());
 130 //              }
 131
 132                 viewer.addDoubleClickListener(new IDoubleClickListener() {
 133             @Override
 134             public void doubleClick(DoubleClickEvent event) {
 135                 //Open derivate editor when specimen description element is double clicked
 136                 TreeSelection selection = (TreeSelection) viewer.getSelection();
 137                 Iterator iterator = selection.iterator();
 138                 Set<UUID> specimenUuids = new HashSet<UUID>();
 139                 while(iterator.hasNext()){
 140                     Object next = iterator.next();
 141                     if(next instanceof IndividualsAssociation){
 142                         SpecimenOrObservationBase<?> specimen = ((IndividualsAssociation)next).getAssociatedSpecimenOrObservation();
 143                         if(specimen!=null){
 144                             specimenUuids.add(specimen.getUuid());
 145                         }
 146                     }
 147                 }
 148                 try {
 149                     EditorUtil.open(new DerivateViewEditorInput(specimenUuids));
 150                 } catch (PartInitException e) {
 151                     MessagingUtils.error(DescriptiveViewPart.class, "Could not open Derivate Editor", e);
 152                 }
 153
 154
 155                     //TODO: extend command to accept parameter to open editor
 156 //                    String commandId = "eu.etaxonomy.taxeditor.editor.handler.openDerivateView";
 157 //                    IHandlerService handlerService = (IHandlerService) AbstractUtility.getService(IHandlerService.class);
 158 //                    try {
 159 //                        handlerService.executeCommand(commandId, null);
 160 //                    } catch (ExecutionException e) {
 161 //                        MessagingUtils.error(DerivateSearchCompositeController.class, e);
 162 //                    } catch (NotDefinedException e) {
 163 //                        MessagingUtils.error(DerivateSearchCompositeController.class, e);
 164 //                    } catch (NotEnabledException e) {
 165 //                        MessagingUtils.error(DerivateSearchCompositeController.class, e);
 166 //                    } catch (NotHandledException e) {
 167 //                        MessagingUtils.error(DerivateSearchCompositeController.class, e);
 168 //                    }
 169
 170             }
 171         });
 172         }
 173
 174         /* (non-Javadoc)
 175          * @see eu.etaxonomy.taxeditor.model.AbstractCdmViewPart#getInitialSelection()
 176          */
 177         /** {@inheritDoc} */
 178         @Override
 179         protected ISelection getInitialSelection() {
 180                 if(getEditor() != null){
 181                         return new StructuredSelection(getEditor().getEditorInput());
 182                 }
 183
 184                 return super.getInitialSelection();
 185         }
 186
 187         protected void createToolbar() {
 188                 IToolBarManager toolBarManager = getViewSite().getActionBars().getToolBarManager();
 189                 toolBarManager.add(showAllElementsAction);
 190                 toolBarManager.add(hideAllElementsAction);
 191         }
 192
 193         /*
 194          * TODO add to the views menu
 195          */
 196         protected void createMenu(){
 197                 MenuManager menuManager = new MenuManager();
 198                 menuManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
 199
 200                 getSite().registerContextMenu(menuManager, viewer);
 201
 202                 // FIXME for some reason this is not working
 203                 menuManager.add(showAllElementsAction);
 204                 menuManager.add(hideAllElementsAction);
 205
 206                 Control control = viewer.getControl();
 207                 Menu menu = menuManager.createContextMenu(control);
 208
 209                 control.setMenu(menu);
 210         }
 211
 212         /** {@inheritDoc} */
 213         @Override
 214     protected void selectionChanged_internal(IWorkbenchPart part, ISelection selection) {
 215                 if(AbstractUtility.getActiveEditor() == null){
 216                         showEmptyPage();
 217                         return;
 218                 }
 219
 220                 if(part == this){
 221                     return;
 222                 }
 223                 if(part instanceof DetailsViewPart || part instanceof SupplementalDataViewPart){
 224                     // do not show empty page as these views are also used to edit the description selected in this view
 225                     return;
 226                 }
 227                 // unpackage TreeNode of DerivateView
 228                 else if(part instanceof DerivateView){
 229                     TreeNode treeNodeOfSelection = EditorUtil.getTreeNodeOfSelection(selection);
 230                     if(treeNodeOfSelection!=null){
 231                         selection = new StructuredSelection(treeNodeOfSelection.getValue());
 232                     }
 233                 }
 234         else if(part instanceof ChecklistEditor){
 235             if(selection instanceof StructuredSelection  && ((IStructuredSelection) selection).getFirstElement() instanceof Taxon){
 236                 Taxon taxon = (Taxon)((IStructuredSelection) selection).getFirstElement();
 237                 selection = new StructuredSelection(taxon);
 238             }
 239         }
 240                 if(selection instanceof IStructuredSelection
 241                         && ((IStructuredSelection) selection).getFirstElement() instanceof IDescribable<?>
 242                         && part instanceof IPartContentHasFactualData  && !(((IStructuredSelection) selection).getFirstElement() instanceof SpecimenOrObservationBase && part instanceof BulkEditor)){
 243                     featureNodeContainerCache.clear();
 244                     showViewer(part, (IStructuredSelection) selection);
 245                     return;
 246                 }
 247                 else{
 248                     showEmptyPage();
 249                 }
 250         }
 251
 252         /**
 253          *
 254          * @author n.hoffmann
 255          * @created May 28, 2010
 256          * @version 1.0
 257          */
 258         protected class ToggleDescriptionAction extends Action{
 259                 private final boolean expanded;
 260
 261                 public ToggleDescriptionAction(boolean expand){
 262                         super(null, IAction.AS_PUSH_BUTTON);
 263                         expanded = expand;
 264                         setImageAndTooltip();
 265                 }
 266
 267                 private void setImageAndTooltip(){
 268                         setImageDescriptor(new ImageDescriptor() {
 269                                 @Override
 270                                 public ImageData getImageData() {
 271                                         setText(expanded ? "Collapse All" : "Expand All");
 272                                         String resource = expanded ? ImageResources.COLLAPSE_ALL : ImageResources.EXPAND_ALL;
 273                                         return ImageResources.getImage(resource).getImageData();
 274                                 }
 275                         });
 276
 277                         String toolTipText = expanded ? "Collapse all" : "Show all factual data";
 278                         setToolTipText(toolTipText);
 279                 }
 280
 281                 @Override
 282                 public void run() {
 283                         if(expanded){
 284                                 viewer.collapseAll();
 285                         }else{
 286                                 viewer.expandAll();
 287                         }
 288                         setImageAndTooltip();
 289                 }
 290         }
 291
 292         /** {@inheritDoc} */
 293         @Override
 294         public boolean postOperation(CdmBase objectAffectedByOperation) {
 295                 return super.postOperation(objectAffectedByOperation);
 296         }
 297
 298         /** {@inheritDoc} */
 299         @Override
 300         public void changed(Object object) {
 301                 for(FeatureNodeContainerTree containerTree : featureNodeContainerCache.values()){
 302                         containerTree.buildTree();
 303                 }
 304                 viewer.refresh();
 305
 306                 if(object instanceof DescriptionElementBase){
 307                         DescriptionElementBase descriptionElement = (DescriptionElementBase) object;
 308                         DescriptionBase description = descriptionElement.getInDescription();
 309                         FeatureNodeContainerTree containerTree = featureNodeContainerCache.get(description);
 310
 311                         FeatureNodeContainer featureNodeContainer = containerTree.getFeatureNodeContainerForDescriptionElement(descriptionElement);
 312                         viewer.expandToLevel(featureNodeContainer, 1);
 313
 314                 }
 315
 316                 if(object != null){
 317                         StructuredSelection selection = new StructuredSelection(object);
 318                         viewer.setSelection(selection, true);
 319                 }
 320                 if(part instanceof BulkEditor && !(object instanceof SpecimenOrObservationBase<?>)){
 321                     ((BulkEditor) part).forceDirty();
 322                 }
 323
 324                 super.changed(object);
 325         }
 326
 327         /** {@inheritDoc} */
 328         @Override
 329         public Viewer getViewer() {
 330                 return viewer;
 331         }
 332
 333         /**
 334          * <p>onComplete</p>
 335          *
 336          * @return a boolean.
 337          */
 338         @Override
 339     public boolean onComplete() {
 340                 return false;
 341         }
 342
 343         public void toggleShowOnlyIndividualAssociations(){
 344             provider.toggleShowOnlyIndividualAssociations();
 345             viewer.refresh();
 346         }
 347 }