eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/checklist/ChecklistEditor.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.checklist;
  12
  13 import java.util.ArrayList;
  14 import java.util.Arrays;
  15 import java.util.Collections;
  16 import java.util.HashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.SortedSet;
  20
  21 import org.apache.log4j.Logger;
  22 import org.eclipse.core.runtime.IProgressMonitor;
  23 import org.eclipse.core.runtime.IStatus;
  24 import org.eclipse.core.runtime.Status;
  25 import org.eclipse.core.runtime.jobs.Job;
  26 import org.eclipse.jface.viewers.ISelection;
  27 import org.eclipse.jface.viewers.StructuredViewer;
  28 import org.eclipse.jface.viewers.TableViewer;
  29 import org.eclipse.jface.viewers.TableViewerColumn;
  30 import org.eclipse.swt.SWT;
  31 import org.eclipse.swt.events.ModifyListener;
  32 import org.eclipse.swt.events.SelectionAdapter;
  33 import org.eclipse.swt.events.SelectionEvent;
  34 import org.eclipse.swt.layout.GridData;
  35 import org.eclipse.swt.layout.GridLayout;
  36 import org.eclipse.swt.widgets.Composite;
  37 import org.eclipse.swt.widgets.Display;
  38 import org.eclipse.swt.widgets.Label;
  39 import org.eclipse.swt.widgets.Menu;
  40 import org.eclipse.swt.widgets.MenuItem;
  41 import org.eclipse.swt.widgets.Table;
  42 import org.eclipse.swt.widgets.TableColumn;
  43 import org.eclipse.swt.widgets.Text;
  44 import org.eclipse.swt.widgets.ToolBar;
  45 import org.eclipse.swt.widgets.ToolItem;
  46 import org.eclipse.ui.IEditorInput;
  47 import org.eclipse.ui.IEditorSite;
  48 import org.eclipse.ui.IMemento;
  49 import org.eclipse.ui.ISelectionListener;
  50 import org.eclipse.ui.ISelectionService;
  51 import org.eclipse.ui.IWorkbenchPart;
  52 import org.eclipse.ui.PartInitException;
  53 import org.eclipse.ui.part.EditorPart;
  54 import org.eclipse.ui.progress.IWorkbenchSiteProgressService;
  55
  56 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  57 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  58 import eu.etaxonomy.cdm.api.service.ITaxonNodeService;
  59 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  60 import eu.etaxonomy.cdm.model.common.DefinedTermBase;
  61 import eu.etaxonomy.cdm.model.taxon.Classification;
  62 import eu.etaxonomy.cdm.model.taxon.Taxon;
  63 import eu.etaxonomy.cdm.model.taxon.TaxonNode;
  64 import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
  65 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  66 import eu.etaxonomy.taxeditor.editor.SimpleSelectionProvider;
  67 import eu.etaxonomy.taxeditor.editor.view.checklist.edit.DistributionEditingSupport;
  68 import eu.etaxonomy.taxeditor.editor.view.checklist.filter.ChecklistEditorFilter;
  69 import eu.etaxonomy.taxeditor.editor.view.checklist.listener.ChecklistDropdownSelectionListener;
  70 import eu.etaxonomy.taxeditor.editor.view.checklist.listener.ChecklistFocusListener;
  71 import eu.etaxonomy.taxeditor.editor.view.checklist.listener.ChecklistModifyListener;
  72 import eu.etaxonomy.taxeditor.model.IContextListener;
  73 import eu.etaxonomy.taxeditor.model.IDirtyMarkable;
  74 import eu.etaxonomy.taxeditor.model.IPartContentHasDetails;
  75 import eu.etaxonomy.taxeditor.model.IPartContentHasFactualData;
  76 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  77 import eu.etaxonomy.taxeditor.preference.Resources;
  78 import eu.etaxonomy.taxeditor.store.CdmStore;
  79
  80 /**
  81  * <p>
  82  * ChecklistViewPart class.
  83  * </p>
  84  *
  85  * @author a.oppermann
  86  * @created 30.04.2014
  87  * @version 1.0
  88  */
  89 public class ChecklistEditor extends EditorPart implements ISelectionListener, IPartContentHasFactualData, IConversationEnabled,
  90         IContextListener, IPartContentHasDetails, IDirtyMarkable{//, ICdmEntitySessionEnabled {
  91
  92     private static final Logger logger = Logger.getLogger(ChecklistEditor.class);
  93     /**
  94      * Key used for storing Checklist Editor View
  95      */
  96     private static final String CHECKLIST_EDITOR_MEMENTO_KEY = "checklistEditor";
  97
  98
  99
 100
 101     private class ChecklistJob extends Job {
 102
 103         private List<TaxonNode> taxonNodes;
 104
 105         /**
 106          * @param name
 107          */
 108         public ChecklistJob(String title, List<TaxonNode> listTaxonNodes) {
 109             super(title);
 110             this.taxonNodes = listTaxonNodes;
 111
 112
 113         }
 114
 115         /*
 116          * (non-Javadoc)
 117          *
 118          * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.
 119          * IProgressMonitor)
 120          */
 121         @Override
 122         public IStatus run(final IProgressMonitor monitor) {
 123             try {
 124                 logger.debug("Begin of eclipse core runtime Job to Retrieve datasources");
 125                 monitor.beginTask("Retrieving TaxonNodes", taxonNodes.size() + 1);
 126
 127                 final List<Taxon> taxonList = new ArrayList<Taxon>();
 128
 129                 for (TaxonNode taxonNode : taxonNodes) {
 130                     HibernateProxyHelper hh = new HibernateProxyHelper();
 131                     Taxon taxon = hh.deproxy(taxonNode.getTaxon(), Taxon.class);
 132                     taxonList.add(taxon);
 133                 }
 134                 // set View input
 135                 Display.getDefault().asyncExec(new Runnable() {
 136
 137                     @Override
 138                     public void run() {
 139                         viewer.setInput(taxonList);
 140                     }
 141                 });
 142                 monitor.worked(1);
 143
 144             } finally {
 145                 monitor.done();
 146                 taxonNodes = null;
 147             }
 148             return Status.OK_STATUS;
 149         }
 150     }
 151
 152     /**
 153      * Constant
 154      * <code>ID="eu.etaxonomy.taxeditor.store.datasource"{trunked}</code>
 155      */
 156     public static String ID = "eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor";
 157
 158     private TableViewer viewer;
 159
 160     private String partNameCache;
 161
 162     private IWorkbenchSiteProgressService service;
 163
 164     private ITaxonNodeService taxonNodeService;
 165
 166     private ChecklistEditorComparator comparator;
 167
 168     private ChecklistEditorInput checklistEditorInput;
 169
 170     private SimpleSelectionProvider simpleSelectionProvider;
 171
 172     private ISelectionService selectionService;
 173
 174     private ConversationHolder conversation;
 175
 176     private Integer countNodes;
 177
 178     private List<TaxonNode> selectedTaxonNodes;
 179
 180     private boolean dirty;
 181
 182     private ChecklistEditorFilter filter;
 183
 184     private Menu headerMenu;
 185
 186     private Label statusLabel;
 187
 188    // private final ICdmEntitySession cdmEntitySession;
 189
 190     private ChecklistLabelProvider labelProvider;
 191
 192     private SortedSet<DefinedTermBase> terms = null;
 193         private ToolItem toolItem;
 194         private ChecklistDropdownSelectionListener dropListener;
 195
 196     /**
 197      * @return the selectedTaxonNodes
 198      */
 199     public List<TaxonNode> getSelectedTaxonNodes() {
 200         return selectedTaxonNodes;
 201     }
 202
 203     /**
 204      * @param selectedTaxonNodes
 205      *            the selectedTaxonNodes to set
 206      */
 207     public void setSelectedTaxonNodes(List<TaxonNode> selectedTaxonNodes) {
 208         this.selectedTaxonNodes = selectedTaxonNodes;
 209     }
 210
 211     /**
 212      * <p>
 213      * Constructor for CdmDataSourceViewPart.
 214      * </p>
 215      */
 216     public ChecklistEditor() {
 217         //cdmEntitySession = CdmStore.getCurrentSessionManager().newSession(this, true);
 218
 219     }
 220
 221     /** {@inheritDoc} */
 222     @Override
 223     public void createPartControl(Composite parent) {
 224         service = (IWorkbenchSiteProgressService) getSite().getAdapter(IWorkbenchSiteProgressService.class);
 225         taxonNodeService = CdmStore.getService(ITaxonNodeService.class);
 226         selectionService = getSite().getWorkbenchWindow().getSelectionService();
 227         selectionService.addSelectionListener(this);
 228         viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
 229         labelProvider = new ChecklistLabelProvider(this.viewer);
 230         terms = labelProvider.getNamedAreas();
 231         filter = new ChecklistEditorFilter();
 232         createTopComposite(parent);
 233         loadDataInput();
 234     }
 235
 236     /**
 237      * @param parent
 238      */
 239     private void createTopComposite(Composite parent) {
 240         GridLayout gridLayout = new GridLayout(3, false);
 241         gridLayout.marginWidth = 0;
 242         gridLayout.marginHeight = 0;
 243         parent.setLayout(gridLayout);
 244
 245         final Text searchText = createSearchBar(parent);
 246         createToolbar(parent);
 247
 248         getSite().setSelectionProvider(viewer);
 249
 250         final ModifyListener modifyListener = new ChecklistModifyListener(viewer, filter, searchText);
 251
 252         searchText.addFocusListener(new ChecklistFocusListener(searchText, modifyListener));
 253         searchText.addModifyListener(modifyListener);
 254         createGridDataForViewerLayout();
 255
 256         viewer.addFilter(filter);
 257         createTable();
 258
 259         viewer.setContentProvider(new ChecklistContentProvider());
 260         viewer.setLabelProvider(this.labelProvider);
 261         comparator = new ChecklistEditorComparator();
 262         viewer.setComparator(comparator);
 263
 264         createStatusBar(parent);
 265     }
 266
 267         private void createGridDataForViewerLayout() {
 268                 GridData gridData = new GridData();
 269                 gridData.verticalAlignment = GridData.FILL;
 270         gridData.horizontalSpan = 3;
 271         gridData.grabExcessHorizontalSpace = true;
 272         gridData.grabExcessVerticalSpace = true;
 273         gridData.horizontalAlignment = GridData.FILL;
 274         viewer.getControl().setLayoutData(gridData);
 275         }
 276
 277     /**
 278      * @param parent
 279      * @return
 280      */
 281     private Text createSearchBar(Composite parent) {
 282         Label searchLabel = new Label(parent, SWT.NONE);
 283         searchLabel.setText("Search: ");
 284         final Text searchText = new Text(parent, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH | SWT.CANCEL);
 285         searchText.setLayoutData(new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
 286         searchText.setForeground(EditorUtil.getColor(Resources.SEARCH_VIEW_FOREGROUND));
 287         searchText.setText("type filter text");
 288         return searchText;
 289     }
 290
 291     /**
 292      * @param parent
 293      */
 294     private void createToolbar(Composite parent) {
 295         ToolBar toolBar = new ToolBar(parent, SWT.NONE);
 296         toolItem = new ToolItem(toolBar, SWT.DROP_DOWN | SWT.BORDER);
 297         toolItem.setText("Distribution Status");
 298         toolItem.setToolTipText("Show Distribution Status for selected Areas");
 299         createToolbarItems();
 300         toolItem.addSelectionListener(dropListener);
 301         toolBar.pack();
 302     }
 303
 304         private void createToolbarItems() {
 305                 dropListener = new ChecklistDropdownSelectionListener(toolItem, this, terms);
 306         for (DefinedTermBase<DefinedTermBase> term : terms) {
 307             if(term!=null){
 308                 dropListener.add(term);
 309             }
 310         }
 311         }
 312
 313     private void createStatusBar(Composite composite) {
 314         GridData gridData = new GridData();
 315         gridData.horizontalSpan = 3;
 316         gridData.grabExcessHorizontalSpace = true;
 317         gridData.horizontalAlignment = GridData.FILL;
 318
 319         statusLabel = new Label(composite, SWT.LEFT);
 320         statusLabel.setText("Anzahl der Elemente: " + (countNodes != null ? countNodes : "uknown"));
 321         statusLabel.setLayoutData(gridData);
 322     }
 323
 324     private void createTable() {
 325         Table table = viewer.getTable();//new Table(parent, viewer.getTable().getStyle());
 326         List<String> titles = new ArrayList<String>();
 327         List<Integer> bounds = new ArrayList<Integer>();
 328         if (PreferencesUtil.isShowRankInChecklistEditor()){
 329             Collections.addAll(titles, "Taxon",  "Rank");
 330             Collections.addAll(bounds, 300, 200);
 331         } else{
 332             Collections.addAll(titles, "Taxon");
 333             Collections.addAll(bounds, 300);
 334         }
 335
 336
 337         Map<Integer, Boolean> restoreValuesForColumnWidth = restoreValuesForColumnWidth(titles, bounds);
 338         createInitalDistributionColumns(table, titles, bounds, restoreValuesForColumnWidth);
 339         table.setSortDirection(SWT.DOWN);
 340         table.setHeaderVisible(true);
 341         table.setLinesVisible(true);
 342         }
 343     /**
 344      * This method creates initially the distribution columns for a table. It should only be called for creation.<br>
 345      *<p>
 346      *
 347      *<b>Notice:</b> If you want to add additional columns later please use <b>addTableViewerColumn()</b>
 348      *
 349      * @param table
 350      * @param titles
 351      * @param bounds
 352      * @param restoreValuesForColumnWidth
 353      */
 354         private void createInitalDistributionColumns(Table table,
 355                         List<String> titles, List<Integer> bounds, Map<Integer, Boolean> restoreValuesForColumnWidth) {
 356                 for (int columnIndex = 0; columnIndex < titles.size(); columnIndex++) {
 357             TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
 358             column.getColumn().setText(titles.get(columnIndex));
 359             column.getColumn().setWidth(bounds.get(columnIndex));
 360             column.getColumn().setResizable(true);
 361             column.getColumn().setMoveable(true);
 362             column.getColumn().addSelectionListener(getSelectionAdapter(column.getColumn(), columnIndex));
 363             if (columnIndex == 0) {
 364                 table.setSortColumn(column.getColumn());
 365             }
 366             if (columnIndex == 1 && PreferencesUtil.isShowRankInChecklistEditor()) {
 367                 /** uncommented it for now because no rank editing is wanted **/
 368 //                column.setEditingSupport(new RankEditingSupport(viewer, this));
 369             }
 370             if ((columnIndex == 1 && !PreferencesUtil.isShowRankInChecklistEditor()) || columnIndex >= 2 ) {
 371                 //read PrefrenceStore to setWidth according to last saved state
 372                 if(restoreValuesForColumnWidth.get(columnIndex)){
 373                     column.getColumn().setWidth(50);
 374                 }else{
 375                     column.getColumn().setWidth(50);
 376                 }
 377                 column.setEditingSupport(new DistributionEditingSupport(viewer, this, columnIndex));
 378             }
 379         }
 380         }
 381
 382     /**
 383      * This methods loads the last opened distribution columns for the table viewer from the prefrence store.<br>
 384      *<p>
 385      * <b>Notice:</b> It adds also the TitleCache to the titles list for the header of each column.<p>
 386      *
 387      * @param titles
 388      * @param bounds
 389      * @return Map<Integer, Boolean>
 390      */
 391         private Map<Integer, Boolean> restoreValuesForColumnWidth(List<String> titles,
 392                         List<Integer> bounds) {
 393                 Map<Integer, Boolean> restoreColumnWidth = new HashMap<Integer, Boolean>();
 394                 if (terms != null) {
 395                     int columnIndex;
 396                     if (PreferencesUtil.isShowRankInChecklistEditor()){
 397                         columnIndex = 2;
 398                     } else{
 399                         columnIndex = 1;
 400                     }
 401             for (DefinedTermBase<DefinedTermBase> term : terms) {
 402                 if(term != null){
 403                     restoreColumnWidth.put(columnIndex, PreferencesUtil.getPreferenceStore().getBoolean(term.getUuid().toString()));
 404                     if (PreferencesUtil.isShowIdInVocabularyInChecklistEditor()){
 405                         if (term.getIdInVocabulary() != null){
 406                             titles.add(term.getIdInVocabulary());
 407                         } else{
 408                             titles.add(term.getTitleCache());
 409                         }
 410                     }else{
 411                         titles.add(term.getTitleCache());
 412                     }
 413                     bounds.add(200);
 414                     columnIndex++;
 415                 }
 416             }
 417         }
 418                 return restoreColumnWidth;
 419         }
 420
 421     /**
 422      * This method adds new DistributionColumns to an existing table.
 423      *
 424      * @param title
 425      * @param bound
 426      * @param colNumber
 427      * @return
 428      */
 429     private TableViewerColumn addTableViewerColumn(String title, int bound, final int colNumber) {
 430         final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE);
 431         final TableColumn column = viewerColumn.getColumn();
 432         column.setText(title);
 433         column.setWidth(200);
 434         viewerColumn.setEditingSupport(new DistributionEditingSupport(viewer, this, colNumber));
 435         column.setResizable(true);
 436         column.setMoveable(true);
 437         return viewerColumn;
 438       }
 439
 440
 441
 442     /**
 443      *
 444      * pull data from database and set input for view
 445      *
 446      */
 447     private void loadDataInput() {
 448         Classification classification = checklistEditorInput.getClassification();
 449         TaxonNode taxonNode = checklistEditorInput.getTaxonNode();
 450         if (classification != null && taxonNode == null) {
 451             countNodes = taxonNodeService.countAllNodesForClassification(classification);
 452             statusLabel.setText("Anzahl der Elemente: " + (countNodes != null ? countNodes : "unknown"));
 453             // This should not kill the view nor the editor if something goes
 454             // wrong
 455             // TODO: don't load the whole taxonNode Object but rather a small
 456             // and simple Solution
 457             // FIXME: May be don't open classification which are greater than
 458             // 3000 Taxa
 459             selectedTaxonNodes = taxonNodeService.listAllNodesForClassification(classification, 0, countNodes);
 460             getService().schedule(new ChecklistJob("loading Taxa", selectedTaxonNodes), Job.LONG);
 461         }
 462         if (taxonNode != null) {
 463             selectedTaxonNodes = taxonNodeService.loadChildNodesOfTaxonNode(taxonNode, NODE_INIT_STRATEGY, true, null);
 464             getService().schedule(new ChecklistJob("loading Taxa", selectedTaxonNodes), Job.LONG);
 465         }
 466     }
 467
 468     /** {@inheritDoc} */
 469     @Override
 470     public void dispose() {
 471         this.checklistEditorInput.dispose();
 472
 473         conversation.unregisterForDataStoreChanges(this);
 474         conversation.close();
 475         super.dispose();
 476     }
 477
 478     /** {@inheritDoc} */
 479     @Override
 480     public void setFocus() {
 481
 482         viewer.getControl().setFocus();
 483     }
 484
 485     /*
 486      * (non-Javadoc)
 487      *
 488      * @see org.eclipse.ui.part.WorkbenchPart#showBusy(boolean)
 489      */
 490     /** {@inheritDoc} */
 491     @Override
 492     public void showBusy(boolean busy) {
 493         super.showBusy(busy);
 494         // viewer.getTable().setEnabled(!busy);
 495         if (busy) {
 496             partNameCache = getPartName();
 497             setPartName("Loading " + countNodes + " Taxa...");
 498         } else {
 499             if (partNameCache != null) {
 500                 setPartName(partNameCache);
 501             }
 502         }
 503     }
 504
 505     /**
 506      * <p>
 507      * Getter for the field <code>viewer</code>.
 508      * </p>
 509      *
 510      * @return a {@link org.eclipse.jface.viewers.StructuredViewer} object.
 511      */
 512     public StructuredViewer getViewer() {
 513         return viewer;
 514     }
 515
 516     public void refresh() {
 517         viewer.refresh();
 518     }
 519
 520     /**
 521      * This method should only be called for adding new Distribution columns and reloading the table.<br>
 522      * It will hide the old distribution column and load the newly added columns.<br>
 523      * <p>
 524      * <b>Notice:</b> for data update please use <b>refresh()</b>
 525      *
 526      */
 527     @SuppressWarnings({ "unchecked", "rawtypes" })
 528         public void reload(){
 529         //create new Items for Dropdown menue
 530         Table table = viewer.getTable();
 531         table.setRedraw(false);
 532         SortedSet<DefinedTermBase> oldTerms = terms;
 533
 534 //      if (PreferencesUtil.isShowIdInVocabularyInChecklistEditor()){
 535 //
 536 //      } else{
 537 //          terms = (SortedSet<DefinedTermBase>) labelProvider.getTermsOrderedByLabels(labelProvider.getNamedAreas(), CdmStore.getDefaultLanguage());
 538 //      }
 539         SortedSet<DefinedTermBase> newTerms = labelProvider.getNamedAreas();
 540         toolItem.removeSelectionListener(dropListener);
 541         hideDistributionColumns(oldTerms);
 542         createToolbarItems();
 543         toolItem.addSelectionListener(dropListener);
 544         for(DefinedTermBase term:newTerms){
 545                 int count = viewer.getTable().getColumnCount();
 546                 addTableViewerColumn(term.getTitleCache(), 200, count);
 547                 acitivateNewColumnInDropDownMenu(term);
 548         }
 549         viewer.setLabelProvider(labelProvider);
 550         getService().schedule(new ChecklistJob("loading Taxa", selectedTaxonNodes), Job.LONG);
 551         table.setRedraw(true);
 552         viewer.refresh();
 553     }
 554
 555         private void acitivateNewColumnInDropDownMenu(DefinedTermBase term) {
 556                 Menu menu = dropListener.getMenu();
 557                 MenuItem[] items = menu.getItems();
 558                 for(MenuItem item: items){
 559                         if(item.getText().equalsIgnoreCase(term.getTitleCache())){
 560                                 item.setSelection(true);
 561                                 PreferencesUtil.getPreferenceStore().setValue(term.getUuid().toString(), true);
 562                         }
 563                 }
 564         }
 565
 566         private void hideDistributionColumns(SortedSet<DefinedTermBase> oldTerms) {
 567                 TableColumn[] columns = viewer.getTable().getColumns();
 568         for(int i=4; i<columns.length; i++){
 569                 //remove all columns
 570                 columns[i].dispose();
 571                 Menu menu = dropListener.getMenu();
 572                 int itemCount = menu.getItemCount();
 573                 MenuItem item = menu.getItem(i-3);
 574                 item.setSelection(false);
 575         }
 576         if(oldTerms != null){
 577                 for(DefinedTermBase term : oldTerms){
 578                         PreferencesUtil.getPreferenceStore().setValue(term.getUuid().toString(), false);
 579                 }
 580         }
 581         }
 582
 583     /**
 584      * <p>
 585      * Getter for the field <code>service</code>.
 586      * </p>
 587      *
 588      * @return the service
 589      */
 590     public IWorkbenchSiteProgressService getService() {
 591         return service;
 592     }
 593
 594     private SelectionAdapter getSelectionAdapter(final TableColumn column, final int index) {
 595         SelectionAdapter selectionAdapter = new SelectionAdapter() {
 596             @Override
 597             public void widgetSelected(SelectionEvent e) {
 598                 comparator.setColumn(index);
 599                 int dir = viewer.getTable().getSortDirection();
 600                 if (viewer.getTable().getSortColumn() == column) {
 601                     dir = dir == SWT.UP ? SWT.DOWN : SWT.UP;
 602                 } else {
 603                     dir = SWT.DOWN;
 604                 }
 605                 viewer.getTable().setSortDirection(dir);
 606                 viewer.getTable().setSortColumn(column);
 607                 viewer.refresh();
 608             }
 609         };
 610         return selectionAdapter;
 611     }
 612
 613     @Override
 614     public void doSave(IProgressMonitor monitor) {
 615         try {
 616             monitor.beginTask("Saving Editor", 1);
 617             if (!conversation.isBound()) {
 618                 conversation.bind();
 619             }
 620             CdmStore.getService(ITaxonNodeService.class).merge(selectedTaxonNodes, true);
 621             //this.checklistEditorInput.merge();
 622             conversation.commit(true);
 623             setDirty(false);
 624             monitor.worked(1);
 625         } finally {
 626             monitor.done();
 627         }
 628
 629     }
 630
 631     @Override
 632     public void doSaveAs() {
 633     }
 634
 635     @Override
 636     public void init(IEditorSite site, IEditorInput input) throws PartInitException {
 637         setSite(site);
 638         setInput(input);
 639         if (input instanceof ChecklistEditorInput) {
 640             checklistEditorInput = (ChecklistEditorInput) input;
 641             setPartName(getPartName() + ": " + checklistEditorInput.getName());
 642             conversation = checklistEditorInput.getConversation();
 643             conversation.registerForDataStoreChanges(this);
 644         }
 645         simpleSelectionProvider = new SimpleSelectionProvider();
 646         getSite().setSelectionProvider(simpleSelectionProvider);
 647
 648     }
 649
 650     @Override
 651     public boolean isSaveAsAllowed() {
 652         return false;
 653     }
 654
 655     /*
 656      * (non-Javadoc)
 657      *
 658      * @see org.eclipse.ui.ISelectionListener#selectionChanged(org.eclipse.ui.
 659      * IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
 660      */
 661     @Override
 662     public void selectionChanged(IWorkbenchPart part, ISelection selection) {
 663     }
 664
 665
 666
 667
 668
 669     /*
 670      * (non-Javadoc)
 671      *
 672      * @see
 673      * eu.etaxonomy.taxeditor.model.IContextListener#contextAboutToStop(org.
 674      * eclipse.ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
 675      */
 676
 677     @Override
 678     public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
 679
 680     }
 681
 682     /*
 683      * (non-Javadoc)
 684      *
 685      * @see
 686      * eu.etaxonomy.taxeditor.model.IContextListener#contextStop(org.eclipse
 687      * .ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
 688      */
 689     @Override
 690     public void contextStop(IMemento memento, IProgressMonitor monitor) {
 691 //        IStructuredSelection sel = (IStructuredSelection) this.viewer.getSelection();
 692 //        if (sel.isEmpty()) {
 693 //            return;
 694 //        }
 695 //        memento = memento.createChild("tree-selections");
 696 //        Iterator iter = sel.iterator();
 697 //        while (iter.hasNext()) {
 698 //            String nodeName = (String) iter.next();
 699 //            memento.createChild("selected-nodes", nodeName);
 700 //        }
 701     }
 702
 703     /*
 704      * (non-Javadoc)
 705      *
 706      * @see
 707      * eu.etaxonomy.taxeditor.model.IContextListener#contextStart(org.eclipse
 708      * .ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
 709      */
 710     @Override
 711     public void contextStart(IMemento memento, IProgressMonitor monitor) {
 712
 713     }
 714
 715     /*
 716      * (non-Javadoc)
 717      *
 718      * @see
 719      * eu.etaxonomy.taxeditor.model.IContextListener#contextRefresh(org.eclipse
 720      * .core.runtime.IProgressMonitor)
 721      */
 722     @Override
 723     public void contextRefresh(IProgressMonitor monitor) {
 724     }
 725
 726     /*
 727      * (non-Javadoc)
 728      *
 729      * @see
 730      * eu.etaxonomy.taxeditor.model.IContextListener#workbenchShutdown(org.eclipse
 731      * .ui.IMemento, org.eclipse.core.runtime.IProgressMonitor)
 732      */
 733     @Override
 734     public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
 735         conversation.clear();
 736         conversation.close();
 737         conversation = null;
 738     }
 739
 740     private static final List<String> NODE_INIT_STRATEGY = Arrays.asList(new String[] { "descriptions",
 741             "descriptions.*", "description.state", "feature", "feature.*", "childNodes", "childNodes.taxon",
 742             "childNodes.taxon.name", "taxonNodes", "taxonNodes.*", "taxonNodes.taxon.*", "taxon.*",
 743             "taxon.descriptions", "taxon.sec", "taxon.name.*", "terms", "name.*",
 744             "name.rank.representations", "name.status.type.representations", "stateData.$" });
 745
 746     /*
 747      * (non-Javadoc)
 748      *
 749      * @see
 750      * eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#changed(
 751      * java.lang.Object)
 752      */
 753     @Override
 754     public void changed(Object element) {
 755         if (element != null) {
 756             viewer.update(element, null);
 757             setDirty(true);
 758             firePropertyChange(PROP_DIRTY);
 759         }
 760     }
 761
 762     /* (non-Javadoc)
 763      * @see eu.etaxonomy.taxeditor.model.IDirtyMarkableSelectionProvider#forceDirty()
 764      */
 765     @Override
 766     public void forceDirty() {
 767         changed(null);
 768     }
 769
 770     public void setDirty(boolean dirty) {
 771         this.dirty = dirty;
 772         firePropertyChange(PROP_DIRTY);
 773     }
 774
 775     /*
 776      * (non-Javadoc)
 777      *
 778      * @see org.eclipse.ui.forms.editor.FormEditor#isDirty()
 779      */
 780     @Override
 781     public boolean isDirty() {
 782         return dirty;
 783     }
 784
 785     /* (non-Javadoc)
 786      * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getCdmEntitySession()
 787      */
 788
 789
 790 //    /* (non-Javadoc)
 791 //     * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getRootEntities()
 792 //     */
 793 //    @Override
 794 //    public <T extends CdmBase> Collection<T> getRootEntities() {
 795 //        // TODO Auto-generated method stub
 796 //        return null;
 797 //    }
 798 //
 799 //    /* (non-Javadoc)
 800 //     * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionEnabled#getPropertyPathsMap()
 801 //     */
 802 //    @Override
 803 //    public Map<Object, List<String>> getPropertyPathsMap() {
 804 //        // TODO Auto-generated method stub
 805 //        return null;
 806 //    }
 807
 808     /**
 809      * @return the labelProvider
 810      */
 811     public ChecklistLabelProvider getLabelProvider() {
 812         return labelProvider;
 813     }
 814
 815     /* (non-Javadoc)
 816      * @see eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update(eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
 817      */
 818     @Override
 819     public void update(CdmDataChangeMap arg0) {
 820         // TODO Auto-generated method stub
 821
 822     }
 823
 824     /* (non-Javadoc)
 825      * @see eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder()
 826      */
 827     @Override
 828     public ConversationHolder getConversationHolder() {
 829
 830         return conversation;
 831     }
 832 }