org.simantics.g3d/src/org/simantics/g3d/property/AnnotatedPropertyTabContributorFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.g3d.property;
  13
  14 import java.lang.annotation.Annotation;
  15 import java.lang.reflect.Field;
  16 import java.lang.reflect.InvocationTargetException;
  17 import java.lang.reflect.Method;
  18 import java.util.ArrayList;
  19 import java.util.Collection;
  20 import java.util.Collections;
  21 import java.util.Comparator;
  22 import java.util.HashMap;
  23 import java.util.HashSet;
  24 import java.util.LinkedHashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.Set;
  28 import java.util.function.Consumer;
  29
  30 import org.eclipse.jface.layout.GridDataFactory;
  31 import org.eclipse.jface.viewers.AbstractTableViewer;
  32 import org.eclipse.jface.viewers.CellEditor;
  33 import org.eclipse.jface.viewers.CellEditor.LayoutData;
  34 import org.eclipse.jface.viewers.CellLabelProvider;
  35 import org.eclipse.jface.viewers.CellNavigationStrategy;
  36 import org.eclipse.jface.viewers.ColumnViewer;
  37 import org.eclipse.jface.viewers.ColumnViewerEditor;
  38 import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent;
  39 import org.eclipse.jface.viewers.ColumnViewerEditorActivationListener;
  40 import org.eclipse.jface.viewers.ColumnViewerEditorActivationStrategy;
  41 import org.eclipse.jface.viewers.ColumnViewerEditorDeactivationEvent;
  42 import org.eclipse.jface.viewers.ComboBoxCellEditor;
  43 import org.eclipse.jface.viewers.EditingSupport;
  44 import org.eclipse.jface.viewers.FocusCellOwnerDrawHighlighter;
  45 import org.eclipse.jface.viewers.ISelection;
  46 import org.eclipse.jface.viewers.ISelectionChangedListener;
  47 import org.eclipse.jface.viewers.ISelectionProvider;
  48 import org.eclipse.jface.viewers.IStructuredContentProvider;
  49 import org.eclipse.jface.viewers.SelectionChangedEvent;
  50 import org.eclipse.jface.viewers.StructuredSelection;
  51 import org.eclipse.jface.viewers.TableViewer;
  52 import org.eclipse.jface.viewers.TableViewerColumn;
  53 import org.eclipse.jface.viewers.TableViewerFocusCellManager;
  54 import org.eclipse.jface.viewers.TextCellEditor;
  55 import org.eclipse.jface.viewers.Viewer;
  56 import org.eclipse.jface.viewers.ViewerCell;
  57 import org.eclipse.jface.viewers.ViewerColumn;
  58 import org.eclipse.jface.viewers.ViewerRow;
  59 import org.eclipse.swt.SWT;
  60 import org.eclipse.swt.custom.TableEditor;
  61 import org.eclipse.swt.events.TraverseEvent;
  62 import org.eclipse.swt.widgets.Composite;
  63 import org.eclipse.swt.widgets.Control;
  64 import org.eclipse.swt.widgets.Display;
  65 import org.eclipse.swt.widgets.Event;
  66 import org.eclipse.swt.widgets.Item;
  67 import org.eclipse.swt.widgets.TableColumn;
  68 import org.eclipse.swt.widgets.TableItem;
  69 import org.eclipse.ui.IWorkbenchSite;
  70 import org.simantics.db.management.ISessionContext;
  71 import org.simantics.g3d.property.annotations.CompoundGetPropertyValue;
  72 import org.simantics.g3d.property.annotations.CompoundSetPropertyValue;
  73 import org.simantics.g3d.property.annotations.GetComboProperty;
  74 import org.simantics.g3d.property.annotations.GetComboPropertyValue;
  75 import org.simantics.g3d.property.annotations.GetPropertyValue;
  76 import org.simantics.g3d.property.annotations.PropertyTabBlacklist;
  77 import org.simantics.g3d.property.annotations.SetComboPropertyValue;
  78 import org.simantics.g3d.property.annotations.SetPropertyValue;
  79 import org.simantics.g3d.scenegraph.NodeMap;
  80 import org.simantics.g3d.scenegraph.NodeMapProvider;
  81 import org.simantics.g3d.scenegraph.base.INode;
  82 import org.simantics.g3d.scenegraph.base.NodeListener;
  83 import org.simantics.g3d.scenegraph.base.ParentNode;
  84 import org.simantics.g3d.scenegraph.structural.IStructuralNode;
  85 import org.simantics.g3d.tools.AdaptationUtils;
  86 import org.simantics.selectionview.IPropertyTab;
  87 import org.simantics.selectionview.IPropertyTab2;
  88 import org.simantics.utils.datastructures.MapList;
  89
  90 public class AnnotatedPropertyTabContributorFactory implements PropertyTabContributorFactory {
  91
  92         private static final boolean DEBUG = false;
  93
  94         @SuppressWarnings("unchecked")
  95         @Override
  96         public List<PropertyTabContributor> getContributors(Object input) {
  97                 Map<String,IPropertyItem> items = new LinkedHashMap<String, IPropertyItem>();
  98                 List<String> blacklist = new ArrayList<String>();
  99                 try {
 100                         collectItems(input.getClass(), items);
 101                         collectBlacklist(input.getClass(), blacklist);
 102                 } catch (InstantiationException e) {
 103                         // TODO Auto-generated catch block
 104                         e.printStackTrace();
 105                 } catch (IllegalAccessException e) {
 106                         // TODO Auto-generated catch block
 107                         e.printStackTrace();
 108                 }
 109
 110                 if (items.size() == 0)
 111                         return Collections.EMPTY_LIST;
 112
 113                 MapList<String, IPropertyItem> tabMap = new MapList<String, IPropertyItem>();
 114                 List<String> tabs = new ArrayList<String>();
 115                 for (String id : items.keySet()) {
 116                         IPropertyItem item = items.get(id);
 117                         tabMap.add(item.getTabId(), item);
 118                         if (!tabs.contains(item.getTabId())) {
 119                                 tabs.add(item.getTabId());
 120                                 //System.out.println(item.tabId + " " + item.name + " " + item.id);
 121                         }
 122                 }
 123                 for (String s : blacklist) {
 124                         tabs.remove(s);
 125                 }
 126
 127                 List<PropertyTabContributor> contributors = new ArrayList<PropertyTabContributor>(tabs.size());
 128                 for (String tabId : tabs) {
 129                         contributors.add(new AnnotatedPropertyTabContributor(tabId, tabMap.getValues(tabId)));
 130                 }
 131
 132                 return contributors;
 133         }
 134
 135
 136         private static void collectItems(Class<?> clazz, Map<String, IPropertyItem> items) throws InstantiationException, IllegalAccessException {
 137                 Class<?> superclass = clazz.getSuperclass();
 138                 if(superclass != null)
 139                         collectItems(superclass, items);
 140
 141                 for (Method m : clazz.getDeclaredMethods()) {
 142                         m.setAccessible(true);
 143                         for (Annotation annotation : m.getAnnotations()) {
 144                                 if (annotation.annotationType().equals(GetPropertyValue.class)) {
 145                                         GetPropertyValue get = (GetPropertyValue)annotation;
 146                                         PropertyItem item = (PropertyItem)items.get(get.value());
 147                                         if (item == null) {
 148                                                 item = new PropertyItem(get.value());
 149                                                 items.put(item.id, item);
 150                                         }
 151
 152                                         item.getter = m;
 153                                         item.manipulatorClass = get.manipulator().newInstance().get(m,null);
 154
 155                                         item.tabId = get.tabId();
 156
 157                                         item.name = get.name();
 158
 159
 160                                 } else if (annotation.annotationType().equals(SetPropertyValue.class)) {
 161                                         SetPropertyValue set = (SetPropertyValue)annotation;
 162                                         PropertyItem item = (PropertyItem)items.get(set.value());
 163                                         if (item == null) {
 164                                                 item = new PropertyItem(set.value());
 165                                                 items.put(item.id, item);
 166                                         }
 167
 168                                         item.setter = m;
 169                                 } else if (annotation.annotationType().equals(CompoundGetPropertyValue.class)) {
 170                                         CompoundGetPropertyValue get = (CompoundGetPropertyValue)annotation;
 171                                         CompoundPropertyItem item = (CompoundPropertyItem)items.get(get.value());
 172                                         if (item == null) {
 173                                                 item = new CompoundPropertyItem(get.value());
 174                                                 items.put(item.id, item);
 175                                         }
 176
 177                                         item.getter = m;
 178                                         item.manipulatorFactory = get.manipulator().newInstance();
 179
 180                                         item.tabId = get.tabId();
 181
 182                                         item.name = get.name();
 183                                 } else if (annotation.annotationType().equals(CompoundSetPropertyValue.class)) {
 184                                         CompoundSetPropertyValue set = (CompoundSetPropertyValue)annotation;
 185                                         CompoundPropertyItem item = (CompoundPropertyItem)items.get(set.value());
 186                                         if (item == null) {
 187                                                 item = new CompoundPropertyItem(set.value());
 188                                                 items.put(item.id, item);
 189                                         }
 190
 191                                         item.setter = m;
 192                                 } else if (annotation.annotationType().equals(GetComboPropertyValue.class)) {
 193                                     GetComboPropertyValue get = (GetComboPropertyValue)annotation;
 194                                     ComboPropertyItem item = (ComboPropertyItem)items.get(get.value());
 195                     if (item == null) {
 196                         item = new ComboPropertyItem(get.value());
 197                         items.put(item.id, item);
 198                     }
 199                     item.getter = m;
 200                     item.manipulatorClass = ComboPropertyManipulator.class;
 201
 202                     item.tabId = get.tabId();
 203
 204                     item.name = get.name();
 205                                 } else if (annotation.annotationType().equals(SetComboPropertyValue.class)) {
 206                                     SetComboPropertyValue set = (SetComboPropertyValue)annotation;
 207                     ComboPropertyItem item = (ComboPropertyItem)items.get(set.value());
 208                     if (item == null) {
 209                         item = new ComboPropertyItem(set.value());
 210                         items.put(item.id, item);
 211                     }
 212                     item.setter = m;
 213                                 } else if (annotation.annotationType().equals(GetComboProperty.class)) {
 214                                     GetComboProperty get = (GetComboProperty)annotation;
 215                     ComboPropertyItem item = (ComboPropertyItem)items.get(get.value());
 216                     if (item == null) {
 217                         item = new ComboPropertyItem(get.value());
 218                         items.put(item.id, item);
 219                     }
 220                     item.values = m;
 221                                 }
 222                         }
 223                 }
 224
 225
 226         }
 227
 228         private static void collectBlacklist(Class<?> clazz, List<String> blacklist) throws InstantiationException, IllegalAccessException {
 229                 Class<?> superclass = clazz.getSuperclass();
 230                 if(superclass != null)
 231                         collectBlacklist(superclass, blacklist);
 232
 233                 PropertyTabBlacklist ann = clazz.getAnnotation(PropertyTabBlacklist.class);
 234                 if (ann == null)
 235                         return;
 236                 String s = ann.value();
 237                 if (s == null)
 238                         return;
 239                 if (s.length() == 0)
 240                         return;
 241                 for (String item : s.split(";")) {
 242                         blacklist.add(item);
 243                 }
 244
 245
 246         }
 247
 248         private static Map<PropertyItem, PropertyManipulator> createManipulators(CompoundPropertyItem item, Object obj) {
 249                 try {
 250
 251                         @SuppressWarnings("unchecked")
 252                         Map<String,Object> map = (Map<String, Object>)item.getter.invoke(obj);
 253                         Map<PropertyItem, PropertyManipulator> result = new HashMap<AnnotatedPropertyTabContributorFactory.PropertyItem, PropertyManipulator>();
 254                         for (String key : map.keySet()) {
 255                                 MethodWithMapValueProvider provider = new MethodWithMapValueProvider(item.getter, item.setter, key);
 256                                 Class<? extends PropertyManipulator> clazz = item.manipulatorFactory.get(null,map.get(key));
 257                                 PropertyManipulator manipulator = clazz.getConstructor(ValueProvider.class,Object.class).newInstance(provider,obj);
 258                                 PropertyItem i = new PropertyItem(item.id+"."+key);
 259                                 i.getter = item.getter;
 260                                 i.setter = item.setter;
 261                                 i.name = key;
 262                                 i.tabId = item.tabId;
 263                                 result.put(i,manipulator);
 264                         }
 265                         return result;
 266                 } catch (Exception e) {
 267                         e.printStackTrace();
 268                         return Collections.emptyMap();
 269                 }
 270
 271         }
 272
 273         private static PropertyManipulator createManipulator(PropertyItem item, Object obj) {
 274                 try {
 275                         MethodValueProvider provider = new MethodValueProvider(item.getter, item.setter);
 276                         PropertyManipulator manipulator = item.manipulatorClass.getConstructor(ValueProvider.class,Object.class).newInstance(provider,obj);
 277                         return manipulator;
 278                 } catch (Exception e) {
 279                         e.printStackTrace();
 280                         return null;
 281                 }
 282         }
 283
 284         private static PropertyManipulator createManipulator(ComboPropertyItem item, Object obj) {
 285         try {
 286             MethodComboValueProvider provider = new MethodComboValueProvider(item.getter, item.setter,item.values);
 287             PropertyManipulator manipulator = item.manipulatorClass.getConstructor(ValueProvider.class,Object.class).newInstance(provider,obj);
 288             return manipulator;
 289         } catch (Exception e) {
 290             e.printStackTrace();
 291             return null;
 292         }
 293     }
 294
 295         private static interface IPropertyItem {
 296                 public String getTabId();
 297                 public String getName();
 298                 public String getId();
 299                 public boolean editable();
 300         }
 301
 302         private static class PropertyItem implements IPropertyItem{
 303                 private String id;
 304                 private String name;
 305                 private String tabId;
 306                 private Method getter;
 307                 private Method setter;
 308                 private Class<? extends PropertyManipulator> manipulatorClass;
 309
 310
 311                 public PropertyItem(String id) {
 312                         if (id == null)
 313                                 throw new NullPointerException();
 314                         this.id = id;
 315                 }
 316
 317                 @Override
 318                 public String getId() {
 319                     return id;
 320                 }
 321
 322                 @Override
 323                 public int hashCode() {
 324                         return id.hashCode();
 325                 }
 326
 327                 @Override
 328                 public String getTabId() {
 329                         return tabId;
 330                 }
 331
 332                 @Override
 333                 public String getName() {
 334                     return name;
 335                 }
 336
 337                 @Override
 338                 public boolean editable() {
 339                     return setter != null;
 340                 }
 341         }
 342
 343         private static class CompoundPropertyItem implements IPropertyItem{
 344                 private String id;
 345                 private String name;
 346                 private String tabId;
 347                 private Method getter;
 348                 private Method setter;
 349                 private PropertyManipulatorFactory manipulatorFactory;
 350
 351
 352                 public CompoundPropertyItem(String id) {
 353                         if (id == null)
 354                                 throw new NullPointerException();
 355                         this.id = id;
 356                 }
 357
 358                 @Override
 359         public String getId() {
 360             return id;
 361         }
 362
 363                 @Override
 364                 public int hashCode() {
 365                         return id.hashCode();
 366                 }
 367
 368                 @Override
 369                 public String getTabId() {
 370                         return tabId;
 371                 }
 372
 373                 @Override
 374         public String getName() {
 375             return name;
 376         }
 377
 378                 @Override
 379         public boolean editable() {
 380             return setter != null;
 381         }
 382         }
 383
 384         private static class ComboPropertyItem implements IPropertyItem{
 385         private String id;
 386         private String name;
 387         private String tabId;
 388         private Method getter;
 389         private Method setter;
 390         private Method values;
 391         private Class<? extends ComboPropertyManipulator> manipulatorClass;
 392
 393
 394         public ComboPropertyItem(String id) {
 395             if (id == null)
 396                 throw new NullPointerException();
 397             this.id = id;
 398         }
 399
 400         @Override
 401         public String getId() {
 402             return id;
 403         }
 404
 405         @Override
 406         public int hashCode() {
 407             return id.hashCode();
 408         }
 409
 410         @Override
 411         public String getTabId() {
 412             return tabId;
 413         }
 414
 415         @Override
 416         public String getName() {
 417             return name;
 418         }
 419
 420         @Override
 421         public boolean editable() {
 422             return setter != null;
 423         }
 424     }
 425
 426         private static class AnnotatedPropertyTabContributor implements PropertyTabContributor {
 427                 private String id;
 428                 List<IPropertyItem> items;
 429
 430                 public AnnotatedPropertyTabContributor(String id, List<IPropertyItem> items) {
 431                         if (id == null)
 432                                 throw new NullPointerException();
 433                         this.id = id;
 434                         this.items = items;
 435                 }
 436
 437                 @Override
 438                 public IPropertyTab create(Composite parent, IWorkbenchSite site,
 439                                 ISessionContext context, Object input) {
 440                         AnnotatedPropertyTab tab = new AnnotatedPropertyTab(id, items);
 441                         tab.createControl(parent, context);
 442                         return tab;
 443                 }
 444
 445                 @Override
 446                 public String getId() {
 447                         return id;
 448                 }
 449
 450         }
 451
 452         private static class AnnotatedPropertyTab implements IPropertyTab2, NodeListener {
 453                 //private String id;
 454                 List<IPropertyItem> contibutedItems;
 455                 List<IPropertyItem> resolvedItems = new ArrayList<IPropertyItem>();
 456                 private Map<IPropertyItem,PropertyManipulator> manipulators = new HashMap<IPropertyItem, PropertyManipulator>();
 457
 458                 private TableViewer viewer;
 459
 460                 private INode node;
 461                 private NodeMap<?,?,?> nodeMap;
 462
 463                 private List<TableViewerColumn> valueColumns = new ArrayList<TableViewerColumn>();
 464
 465                 public AnnotatedPropertyTab(String id, List<IPropertyItem> items) {
 466                         //this.id = id;
 467                         this.contibutedItems = items;
 468
 469
 470                 }
 471
 472                 @Override
 473                 public void createControl(Composite parent, ISessionContext context) {
 474                         //parent.setLayout(new FillLayout());
 475                         viewer = new TableViewer(parent, SWT.FULL_SELECTION | SWT.SINGLE);
 476
 477                         GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(viewer.getTable());
 478
 479                         //viewer.setLabelProvider(new AnnotatedTableLabelProvider(object))
 480
 481                         viewer.setContentProvider(new PropertyItemContentsProvider());
 482
 483                         TableViewerColumn name = new TableViewerColumn(viewer, SWT.LEFT);
 484                         //TableViewerColumn value = new TableViewerColumn(viewer, SWT.LEFT);
 485                         name.setLabelProvider(new PropertyItemNameProvider());
 486                         //value.setLabelProvider(new PropertyValueLabelProvider(null));
 487                         name.getColumn().setText("Property");
 488                         //value.getColumn().setText("Value");
 489                         name.getColumn().setWidth(200);
 490                         //value.getColumn().setWidth(200);
 491                         name.getViewer().addSelectionChangedListener(new ISelectionChangedListener() {
 492
 493                                 @Override
 494                                 public void selectionChanged(SelectionChangedEvent event) {
 495                                         PropertyItem item = AdaptationUtils.adaptToSingle(event.getSelection(),PropertyItem.class);
 496                                         if (item != null) {
 497                                                 PropertyManipulator manipulator = manipulators.get(item);//createManipulator(item, null);
 498                                                 for (int i = 0; i < valueColumns.size(); i++) {
 499                                                         TableViewerColumn c = valueColumns.get(i);
 500                                                         if (i < manipulator.getValueCount()) {
 501                                                                 c.getColumn().setText(manipulator.getDescription(i));
 502                                                         } else {
 503                                                                 c.getColumn().setText("");
 504                                                         }
 505                                                 }
 506                                         }
 507
 508                                 }
 509                         });
 510
 511                         viewer.getTable().setHeaderVisible(true);
 512                         viewer.getTable().setLinesVisible(true);
 513                         viewer.addSelectionChangedListener(new ISelectionChangedListener() {
 514
 515                                 @Override
 516                                 public void selectionChanged(SelectionChangedEvent event) {
 517                                         IPropertyItem item = AdaptationUtils.adaptToSingle(event.getSelection(), IPropertyItem.class);
 518                                         selectedItem = item;
 519                                         if (!manipulators.get(selectedItem).getEditMode())
 520                                                 manipulators.get(selectedItem).setEditMode(true);
 521
 522
 523                                         for (IPropertyItem i : delayedUpdate) {
 524                                                 if (!i.equals(selectedItem)) {
 525                                                         manipulators.get(i).setEditMode(false);
 526                                                         viewer.update(i,null);
 527                                                 }
 528                                         }
 529                                         if (delayedUpdate.contains(selectedItem)) {
 530                                                 delayedUpdate.clear();
 531                                                 delayedUpdate.add(selectedItem);
 532                                         } else {
 533                                                 delayedUpdate.clear();
 534                                         }
 535                                 }
 536                         });
 537
 538                         CellNavigationStrategy nStrategy = new CellNavigationStrategy() {
 539                                 private ViewerCell internalFindSelectedCell(
 540                                                 ColumnViewer viewer, ViewerCell currentSelectedCell,
 541                                                 Event event) {
 542                                         switch (event.keyCode) {
 543                                         case SWT.ARROW_UP:
 544                                                 if (currentSelectedCell != null) {
 545                                                         return getNeighbor(currentSelectedCell,
 546                                                                         ViewerCell.ABOVE, false);
 547                                                 }
 548                                                 break;
 549                                         case SWT.ARROW_DOWN:
 550                                                 if (currentSelectedCell != null) {
 551                                                         return getNeighbor(currentSelectedCell,
 552                                                                         ViewerCell.BELOW, false);
 553                                                 }
 554                                                 break;
 555                                         case SWT.ARROW_LEFT:
 556                                                 if (currentSelectedCell != null) {
 557                                                         return getNeighbor(currentSelectedCell,
 558                                                                         ViewerCell.LEFT, true);
 559                                                 }
 560                                                 break;
 561                                         case SWT.ARROW_RIGHT:
 562                                                 if (currentSelectedCell != null) {
 563                                                         return getNeighbor(currentSelectedCell,
 564                                                                         ViewerCell.RIGHT, true);
 565                                                 }
 566                                                 break;
 567                                         }
 568                                         return null;
 569                                 }
 570
 571                                 public ViewerCell findSelectedCell(ColumnViewer viewer,
 572                                                 ViewerCell currentSelectedCell, Event event) {
 573                                         ViewerCell cell = internalFindSelectedCell(viewer,
 574                                                         currentSelectedCell, event);
 575                                         if (cell != null) {
 576                                                 TableColumn t = AnnotatedPropertyTab.this.viewer.getTable().getColumn(
 577                                                                 cell.getColumnIndex());
 578                                                 AnnotatedPropertyTab.this.viewer.getTable().showColumn(t);
 579                                         }
 580                                         return cell;
 581                                 }
 582                         };
 583
 584                         TableViewerFocusCellManager focusCellManager = new TableViewerFocusCellManager(
 585                                         viewer, new FocusCellOwnerDrawHighlighter(viewer));
 586                         try {
 587                                 Field f = focusCellManager.getClass().getSuperclass()
 588                                                 .getDeclaredField("navigationStrategy");
 589                                 f.setAccessible(true);
 590                                 f.set(focusCellManager, nStrategy);
 591                         } catch (SecurityException e) {
 592                                 e.printStackTrace();
 593                         } catch (NoSuchFieldException e) {
 594                                 e.printStackTrace();
 595                         } catch (IllegalArgumentException e) {
 596                                 e.printStackTrace();
 597                         } catch (IllegalAccessException e) {
 598                                 e.printStackTrace();
 599                         }
 600                         ColumnViewerEditorActivationStrategy actSupport = new ColumnViewerEditorActivationStrategy(
 601                                         viewer) {
 602                                 Object lastSource = null;
 603                                 int clickCount = 0;
 604
 605                                 protected boolean isEditorActivationEvent(
 606                                                 ColumnViewerEditorActivationEvent event) {
 607                                         if (!event.getSource().equals(lastSource))
 608                                                 clickCount = 0;
 609
 610                                         lastSource = event.getSource();
 611
 612                                         if (event.eventType == ColumnViewerEditorActivationEvent.MOUSE_CLICK_SELECTION)
 613                                                 clickCount += 1;
 614
 615                                         return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
 616                                                         || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
 617                                                         || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_CLICK_SELECTION && clickCount >= 2
 618                                                         || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
 619                                                         || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
 620                                 }
 621                         };
 622                         TableViewerEditor.create(viewer, focusCellManager, actSupport,
 623                                         ColumnViewerEditor.TABBING_HORIZONTAL
 624                                                         | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
 625                                                         | ColumnViewerEditor.TABBING_VERTICAL
 626                                                         | ColumnViewerEditor.KEYBOARD_ACTIVATION);
 627                         viewer.getColumnViewerEditor().addEditorActivationListener(
 628                                         new ColumnViewerEditorActivationListener() {
 629                                                 public void afterEditorActivated(
 630                                                                 ColumnViewerEditorActivationEvent event) {
 631                                                 }
 632
 633                                                 public void afterEditorDeactivated(
 634                                                                 ColumnViewerEditorDeactivationEvent event) {
 635                                                 }
 636
 637                                                 public void beforeEditorActivated(
 638                                                                 ColumnViewerEditorActivationEvent event) {
 639                                                         ViewerCell cell = (ViewerCell) event.getSource();
 640                                                         viewer.getTable().showColumn(
 641                                                                         viewer.getTable().getColumn(cell.getColumnIndex()));
 642                                                 }
 643
 644                                                 public void beforeEditorDeactivated(
 645                                                                 ColumnViewerEditorDeactivationEvent event) {
 646                                                 }
 647                                         });
 648                 }
 649
 650
 651
 652
 653                 private IPropertyItem selectedItem = null;
 654                 private Set<IPropertyItem> delayedUpdate = new HashSet<IPropertyItem>();
 655
 656
 657                 @Override
 658                 public void setInput(ISessionContext context, ISelection selection,
 659                                 boolean force) {
 660                         Collection<INode> nodes = AdaptationUtils.adaptToCollection(selection, INode.class);
 661                         if (nodes.size() != 1) {
 662                                 if (node != null) {
 663                                         node.removeListener(this);
 664                                         node = null;
 665                                 }
 666                                 return;
 667                         }
 668                         INode n = nodes.iterator().next();
 669                         if (node != null) {
 670                                 if (!node.equals(n)) {
 671                                         node.removeListener(this);
 672                                         setInput(n);
 673                                 }
 674                         } else {
 675                                 setInput(n);
 676                         }
 677                 }
 678
 679
 680
 681                 private void setInput(INode node) {
 682                         this.node = node;
 683                         this.node.addListener(this);
 684                         // resolve nodemap
 685                         INode n = node;
 686                         while (true) {
 687                                 if (n == null) {
 688                                         nodeMap = null;
 689                                         break;
 690                                 }
 691                                 if (n instanceof NodeMapProvider<?,?,?>) {
 692                                         nodeMap = ((NodeMapProvider<?,?,?>) n).getNodeMap();
 693                                         if (nodeMap != null)
 694                                                 break;
 695                                 }
 696                                 n = (INode)n.getParent();
 697                         }
 698                         boolean readOnly =  (node instanceof IStructuralNode && ((IStructuralNode)node).isPartOfInstantiatedModel() && !((IStructuralNode)node).isInstantiatedModelRoot());
 699
 700                         resolvedItems.clear();
 701                         manipulators.clear();
 702                         for (IPropertyItem item : contibutedItems) {
 703                                 if (item instanceof PropertyItem) {
 704                                         resolvedItems.add((PropertyItem)item);
 705                                         manipulators.put((PropertyItem)item, createManipulator((PropertyItem)item, node));
 706                                 } else if (item instanceof ComboPropertyItem) {
 707                                     resolvedItems.add((ComboPropertyItem)item);
 708                                     manipulators.put((ComboPropertyItem)item, createManipulator((ComboPropertyItem)item, node));
 709                                 } else if (item instanceof CompoundPropertyItem) {
 710                                         CompoundPropertyItem compound = (CompoundPropertyItem)item;
 711                                         Map<PropertyItem, PropertyManipulator> manipulators = createManipulators(compound, node);
 712                                         for (PropertyItem i : manipulators.keySet()) {
 713                                                 resolvedItems.add(i);
 714                                                 this.manipulators.put(i, manipulators.get(i));
 715                                         }
 716                                 } else {
 717
 718                                 }
 719                         }
 720
 721                         int valueCount = 0;
 722                         for (PropertyManipulator manipulator : manipulators.values()) {
 723                             if (valueCount < manipulator.getValueCount())
 724                    valueCount = manipulator.getValueCount();
 725                         }
 726             for (int i = 0; i < valueCount; i++) {
 727                 TableViewerColumn value = new TableViewerColumn(viewer, SWT.LEFT);
 728                 //value.getColumn().setText("Value " + (i+1));
 729                 value.getColumn().setText("");
 730                 value.getColumn().setWidth(200);
 731                 valueColumns.add(value);
 732                 //value.setEditingSupport(new )
 733             }
 734
 735             // create label providers
 736             PropertyValueLabelProvider2 p = new PropertyValueLabelProvider2(this);
 737             int index = 0;
 738             for (TableViewerColumn c : valueColumns) {
 739                 c.setLabelProvider(p);
 740                 if (!readOnly) {
 741                     PropertyEditingSupport support = new PropertyEditingSupport(this, viewer, index++, nodeMap);
 742                     c.setEditingSupport(support);
 743                 }
 744             }
 745                         Collections.sort(resolvedItems, new Comparator<IPropertyItem>() {
 746                             @Override
 747                             public int compare(IPropertyItem o1, IPropertyItem o2) {
 748                                 return o1.getName().compareTo(o2.getName());
 749                             }
 750             });
 751                         viewer.getTable().setEnabled(!readOnly);
 752                         viewer.setInput(resolvedItems);
 753                 }
 754
 755                 @Override
 756                 public void requestFocus() {
 757                         viewer.getTable().forceFocus();
 758                 }
 759
 760                 @Override
 761                 public void dispose() {
 762                         if (node != null) {
 763                                 node.removeListener(this);
 764                                 node = null;
 765                         }
 766
 767                 }
 768
 769                 @Override
 770                 public Control getControl() {
 771                         return viewer.getTable();
 772                 }
 773
 774                 @Override
 775                 public ISelectionProvider getSelectionProvider() {
 776                         return null;
 777                 }
 778
 779                 @Override
 780                 public boolean isDisposed() {
 781                         return viewer.getTable().isDisposed();
 782                 }
 783
 784                 @Override
 785                 public <T extends INode> void nodeAdded(ParentNode<T> node,
 786                                 INode child, String rel) {
 787
 788                 }
 789
 790                 @Override
 791                 public <T extends INode> void nodeRemoved(ParentNode<T> node,
 792                                 INode child, String rel) {
 793
 794                 }
 795
 796                 @Override
 797                 public void propertyChanged(INode node, final String id) {
 798 //                      for (final PropertyItem item : items) {
 799 //                              if (item.id.equals(id)) {
 800 //                                      Display.getDefault().asyncExec(new Runnable() {
 801 //
 802 //                                              @Override
 803 //                                              public void run() {
 804 //                                                      viewer.update(item, null);
 805 //
 806 //                                              }
 807 //                                      });
 808 //                              }
 809 //                      }
 810                         if (Thread.currentThread() == Display.getDefault().getThread()) {
 811                                 if (viewer.getTable().isDisposed())
 812                                         return;
 813                                 if (DEBUG)System.out.println("Viewer refresh " + id);
 814                                 for (IPropertyItem item : resolvedItems)
 815                                         if (!item.equals(selectedItem))
 816                                                 viewer.refresh(item);
 817                                 if (selectedItem != null)
 818                                         delayedUpdate.add(selectedItem);
 819                         } else if (!editing){
 820                                 // running delayed refresh when a cell editor is active would cancel cell editing.
 821                                 Display.getDefault().asyncExec(new Runnable() {
 822                                         @Override
 823                                         public void run() {
 824                                                 if (viewer.getTable().isDisposed()) {
 825                                                         if (AnnotatedPropertyTab.this.node != null)
 826                                                                 AnnotatedPropertyTab.this.node.removeListener(AnnotatedPropertyTab.this);
 827                                                         return;
 828                                                 }
 829                                                 if (DEBUG) System.out.println("Viewer threaded refresh " + id);
 830                                                 for (IPropertyItem item : resolvedItems)
 831                                                         if (!item.equals(selectedItem))
 832                                                                 viewer.refresh(item);
 833                                                 if (selectedItem != null)
 834                                                         delayedUpdate.add(selectedItem);
 835
 836                                         }
 837                                 });
 838                         } else {
 839                                 for (IPropertyItem item : resolvedItems) {
 840                                         delayedUpdate.add(item);
 841                                 }
 842                         }
 843
 844                 }
 845
 846
 847
 848                 @Override
 849                 public void updatePartName(Consumer<String> updateCallback) {
 850                         if (node != null)
 851                                 updateCallback.accept(node.toString());
 852
 853                 }
 854
 855                 public PropertyManipulator getManipulator(IPropertyItem item) {
 856                         return manipulators.get(item);
 857                 }
 858
 859                 private boolean editing = false;
 860
 861                 public void setEditing(boolean editing) {
 862                         this.editing = editing;
 863                 }
 864         }
 865
 866
 867
 868         private static class PropertyEditingSupport extends EditingSupport {
 869                 AnnotatedPropertyTab tab;
 870                 int index;
 871                 NodeMap<?,?,?> nodeMap;
 872                 TableViewer viewer;
 873                 CellEditor editor;
 874
 875                 public PropertyEditingSupport(AnnotatedPropertyTab tab, TableViewer viewer, int index, NodeMap<?,?,?> nodeMap) {
 876                         super(viewer);
 877                         this.tab = tab;
 878                         this.index = index;
 879                         this.viewer = viewer;
 880                         this.nodeMap = nodeMap;
 881                 }
 882
 883                 @Override
 884                 protected boolean canEdit(Object element) {
 885                         IPropertyItem item = (IPropertyItem)element;
 886                         if (tab.getManipulator(item).getValueCount() <= index)
 887                                 return false;
 888                         if (!item.editable())
 889                                 return false;
 890                         if (getValue(element) == null)
 891                                 return false;
 892                         return true;
 893                 }
 894
 895                 @Override
 896                 protected CellEditor getCellEditor(Object element) {
 897                         IPropertyItem item = (IPropertyItem)element;
 898                         if (tab.getManipulator(item).getValueCount() <= index)
 899                                 return null;
 900                         if (editor == null)
 901                             if (item instanceof PropertyItem)
 902                                 editor = new TextCellEditor(viewer.getTable(),SWT.NONE) {
 903                                 @Override
 904                                 public void activate() {
 905                                         tab.setEditing(true);
 906                                 }
 907
 908                                 @Override
 909                                 public void deactivate() {
 910                                         super.deactivate();
 911                                         tab.setEditing(false);
 912                                 }
 913                         };
 914                         else if (item instanceof ComboPropertyItem) {
 915                             ComboPropertyItem comboPropertyItem = (ComboPropertyItem)item;
 916                             ComboPropertyManipulator manipulator = (ComboPropertyManipulator)tab.manipulators.get(comboPropertyItem);
 917                             editor = new ComboBoxCellEditor(viewer.getTable(), manipulator.getItems()) {
 918                                 @Override
 919                         public void activate() {
 920                             tab.setEditing(true);
 921                         }
 922
 923                         @Override
 924                         public void deactivate() {
 925                             super.deactivate();
 926                             tab.setEditing(false);
 927                         }
 928                             };
 929                         }
 930                         if (DEBUG)System.err.println("CELL EDITOR: " + element);
 931                         return editor;
 932                 }
 933
 934                 @Override
 935                 protected Object getValue(Object element) {
 936                         IPropertyItem item = (IPropertyItem)element;
 937                         PropertyManipulator manipulator = tab.getManipulator(item);//createManipulator(item, obj);
 938                         if (manipulator.getValueCount() <= index)
 939                                 return null;
 940                         if (manipulator instanceof ComboPropertyManipulator) {
 941                             return ((ComboPropertyManipulator)manipulator).getValueIndex();
 942                         }
 943                         Object value = manipulator.getValue(index);
 944                         return value;
 945                 }
 946
 947                 @Override
 948                 protected void setValue(Object element, Object value) {
 949
 950                         IPropertyItem item = (IPropertyItem)element;
 951                         PropertyManipulator manipulator = tab.getManipulator(item);//createManipulator(item, obj);
 952                         if (manipulator.getValueCount() <= index)
 953                                 throw new IllegalAccessError("Editing value in index " + index + " is not allowed.");
 954                         if (DEBUG)System.err.println("CELL SET VALUE: " + element + " " + value);
 955                         manipulator.setValue(value.toString(),index);
 956                         viewer.refresh(item);
 957                         nodeMap.commit("Set " + item.getId() + " value to " + value);
 958
 959                 }
 960
 961
 962
 963         }
 964
 965         private static class PropertyItemNameProvider extends CellLabelProvider {
 966
 967
 968                 @Override
 969                 public void update(ViewerCell cell) {
 970                         IPropertyItem item = (IPropertyItem)cell.getElement();
 971
 972                         if (item.getName().length() > 0)
 973                                 cell.setText(item.getName());
 974                         else
 975                                 cell.setText(item.getId());
 976
 977
 978                 }
 979         }
 980
 981         private static class PropertyValueLabelProvider2 extends CellLabelProvider {
 982                 AnnotatedPropertyTab tab;
 983                 //private Object object;
 984
 985                 public PropertyValueLabelProvider2(AnnotatedPropertyTab tab) {
 986                         this.tab = tab;
 987                 }
 988
 989                 @Override
 990                 public void update(ViewerCell cell) {
 991                         IPropertyItem item = (IPropertyItem)cell.getElement();
 992                         int index = cell.getColumnIndex() -1;
 993                         PropertyManipulator manipulator = tab.getManipulator(item);//createManipulator(item, object);
 994                         if (manipulator.getValueCount() <= index)
 995                                 return;
 996                         cell.setText(manipulator.getValue(index));
 997                 }
 998         }
 999
1000         private static class PropertyItemContentsProvider implements IStructuredContentProvider {
1001                 @SuppressWarnings("unchecked")
1002                 @Override
1003                 public Object[] getElements(Object inputElement) {
1004                         List<PropertyItem> items = (List<PropertyItem>)inputElement;
1005                         return items.toArray();
1006                 }
1007
1008                 @Override
1009                 public void dispose() {
1010
1011                 }
1012
1013                 @Override
1014                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
1015
1016                 }
1017         }
1018
1019
1020
1021         private static ViewerCell getNeighbor(ViewerCell currentCell,
1022                         int directionMask, boolean sameLevel) {
1023                 ViewerRow row;
1024                 if ((directionMask & ViewerCell.ABOVE) == ViewerCell.ABOVE) {
1025                         row = currentCell.getViewerRow().getNeighbor(ViewerRow.ABOVE,
1026                                         sameLevel);
1027                 } else if ((directionMask & ViewerCell.BELOW) == ViewerCell.BELOW) {
1028                         row = currentCell.getViewerRow().getNeighbor(ViewerRow.BELOW,
1029                                         sameLevel);
1030                 } else {
1031                         row = currentCell.getViewerRow();
1032                 }
1033                 if (row != null) {
1034                         int columnIndex;
1035                         columnIndex = getVisualIndex(row, currentCell.getColumnIndex());
1036                         int modifier = 0;
1037                         if ((directionMask & ViewerCell.LEFT) == ViewerCell.LEFT) {
1038                                 modifier = -1;
1039                         } else if ((directionMask & ViewerCell.RIGHT) == ViewerCell.RIGHT) {
1040                                 modifier = 1;
1041                         }
1042                         columnIndex += modifier;
1043                         if (columnIndex >= 0 && columnIndex < row.getColumnCount()) {
1044                                 ViewerCell cell = getCellAtVisualIndex(row, columnIndex);
1045                                 if (cell != null) {
1046                                         while (cell != null
1047                                                         && columnIndex < row.getColumnCount() - 1
1048                                                         && columnIndex > 0) {
1049                                                 if (isVisible(cell)) {
1050                                                         break;
1051                                                 }
1052                                                 columnIndex += modifier;
1053                                                 cell = getCellAtVisualIndex(row, columnIndex);
1054                                                 if (cell == null) {
1055                                                         break;
1056                                                 }
1057                                         }
1058                                 }
1059                                 return cell;
1060                         }
1061                 }
1062                 return null;
1063         }
1064
1065
1066
1067         public static class TableViewerEditor extends ColumnViewerEditor {
1068                 /**
1069                  * This viewer's table editor.
1070                  */
1071                 private TableEditor tableEditor;
1072                 private TableViewerFocusCellManager focusCellManager;
1073                 private int feature;
1074
1075                 /**
1076                  * @param viewer
1077                  *            the viewer the editor is attached to
1078                  * @param focusCellManager
1079                  *            the cell focus manager if one used or <code>null</code>
1080                  * @param editorActivationStrategy
1081                  *            the strategy used to decide about the editor activation
1082                  * @param feature
1083                  *            the feature mask
1084                  */
1085                 TableViewerEditor(TableViewer viewer,
1086                                 TableViewerFocusCellManager focusCellManager,
1087                                 ColumnViewerEditorActivationStrategy editorActivationStrategy,
1088                                 int feature) {
1089                         super(viewer, editorActivationStrategy, feature);
1090                         this.feature = feature;
1091                         tableEditor = new TableEditor(viewer.getTable());
1092                         this.focusCellManager = focusCellManager;
1093                 }
1094
1095                 /**
1096                  * Create a customized editor with focusable cells
1097                  *
1098                  * @param viewer
1099                  *            the viewer the editor is created for
1100                  * @param focusCellManager
1101                  *            the cell focus manager if one needed else
1102                  *            <code>null</code>
1103                  * @param editorActivationStrategy
1104                  *            activation strategy to control if an editor activated
1105                  * @param feature
1106                  *            bit mask controlling the editor
1107                  *            <ul>
1108                  *            <li>{@link ColumnViewerEditor#DEFAULT}</li>
1109                  *            <li>{@link ColumnViewerEditor#TABBING_CYCLE_IN_ROW}</li>
1110                  *            <li>{@link ColumnViewerEditor#TABBING_HORIZONTAL}</li>
1111                  *            <li>
1112                  *            {@link ColumnViewerEditor#TABBING_MOVE_TO_ROW_NEIGHBOR}</li>
1113                  *            <li>{@link ColumnViewerEditor#TABBING_VERTICAL}</li>
1114                  *            </ul>
1115                  * @see #create(TableViewer, ColumnViewerEditorActivationStrategy, int)
1116                  */
1117                 public static void create(TableViewer viewer,
1118                                 TableViewerFocusCellManager focusCellManager,
1119                                 ColumnViewerEditorActivationStrategy editorActivationStrategy,
1120                                 int feature) {
1121                         TableViewerEditor editor = new TableViewerEditor(viewer,
1122                                         focusCellManager, editorActivationStrategy, feature);
1123                         viewer.setColumnViewerEditor(editor);
1124                         if (focusCellManager != null) {
1125                                 try {
1126                                         Method m = focusCellManager.getClass().getSuperclass()
1127                                                         .getDeclaredMethod("init");
1128                                         m.setAccessible(true);
1129                                         m.invoke(focusCellManager);
1130                                 } catch (SecurityException e) {
1131                                         e.printStackTrace();
1132                                 } catch (IllegalArgumentException e) {
1133                                         e.printStackTrace();
1134                                 } catch (IllegalAccessException e) {
1135                                         e.printStackTrace();
1136                                 } catch (NoSuchMethodException e) {
1137                                         e.printStackTrace();
1138                                 } catch (InvocationTargetException e) {
1139                                         e.printStackTrace();
1140                                 }
1141                                 // focusCellManager.init();
1142                         }
1143                 }
1144
1145                 /**
1146                  * Create a customized editor whose activation process is customized
1147                  *
1148                  * @param viewer
1149                  *            the viewer the editor is created for
1150                  * @param editorActivationStrategy
1151                  *            activation strategy to control if an editor activated
1152                  * @param feature
1153                  *            bit mask controlling the editor
1154                  *            <ul>
1155                  *            <li>{@link ColumnViewerEditor#DEFAULT}</li>
1156                  *            <li>{@link ColumnViewerEditor#TABBING_CYCLE_IN_ROW}</li>
1157                  *            <li>{@link ColumnViewerEditor#TABBING_HORIZONTAL}</li>
1158                  *            <li>
1159                  *            {@link ColumnViewerEditor#TABBING_MOVE_TO_ROW_NEIGHBOR}</li>
1160                  *            <li>{@link ColumnViewerEditor#TABBING_VERTICAL}</li>
1161                  *            </ul>
1162                  */
1163                 public static void create(TableViewer viewer,
1164                                 ColumnViewerEditorActivationStrategy editorActivationStrategy,
1165                                 int feature) {
1166                         create(viewer, null, editorActivationStrategy, feature);
1167                 }
1168
1169                 protected void setEditor(Control w, Item item, int columnNumber) {
1170                         tableEditor.setEditor(w, (TableItem) item, columnNumber);
1171                 }
1172
1173                 protected void setLayoutData(LayoutData layoutData) {
1174                         tableEditor.grabHorizontal = layoutData.grabHorizontal;
1175                         tableEditor.horizontalAlignment = layoutData.horizontalAlignment;
1176                         tableEditor.minimumWidth = layoutData.minimumWidth;
1177                 }
1178
1179                 public ViewerCell getFocusCell() {
1180                         if (focusCellManager != null) {
1181                                 return focusCellManager.getFocusCell();
1182                         }
1183                         return super.getFocusCell();
1184                 }
1185
1186                 protected void updateFocusCell(ViewerCell focusCell,
1187                                 ColumnViewerEditorActivationEvent event) {
1188                         // Update the focus cell when we activated the editor with these 2
1189                         // events
1190                         if (event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC
1191                                         || event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL) {
1192                                 if (focusCellManager != null) {
1193                                         try {
1194                                                 if (DEBUG)System.err.println("FOCUS CELL: " + focusCell);
1195
1196                                                 Method m = AbstractTableViewer.class.getDeclaredMethod(
1197                                                                 "getSelectionFromWidget");
1198                                                 m.setAccessible(true);
1199                                                 @SuppressWarnings("rawtypes")
1200                                                 List l = (List) m.invoke(getViewer());
1201                                                 if (focusCellManager != null) {
1202                                                         m = focusCellManager
1203                                                                         .getClass()
1204                                                                         .getSuperclass()
1205                                                                         .getDeclaredMethod("setFocusCell",
1206                                                                                         new Class[] { ViewerCell.class });
1207                                                         m.setAccessible(true);
1208                                                         m.invoke(focusCellManager,
1209                                                                         new Object[] { focusCell });
1210                                                 }
1211                                                 if (!l.contains(focusCell.getElement())) {
1212                                                         getViewer().setSelection(
1213                                                                         new StructuredSelection(focusCell
1214                                                                                         .getElement()));
1215                                                 }
1216                                         } catch (SecurityException e) {
1217                                                 e.printStackTrace();
1218                                         } catch (IllegalArgumentException e) {
1219                                                 e.printStackTrace();
1220                                         } catch (IllegalAccessException e) {
1221                                                 e.printStackTrace();
1222                                         } catch (NoSuchMethodException e) {
1223                                                 e.printStackTrace();
1224                                         } catch (InvocationTargetException e) {
1225                                                 e.printStackTrace();
1226                                         }
1227                                 }
1228                         }
1229                 }
1230
1231                 protected void processTraverseEvent(int columnIndex, ViewerRow row,
1232                                 TraverseEvent event) {
1233                         ViewerCell cell2edit = null;
1234                         if (event.detail == SWT.TRAVERSE_TAB_PREVIOUS) {
1235                                 event.doit = false;
1236                                 if ((event.stateMask & SWT.CTRL) == SWT.CTRL
1237                                                 && (feature & TABBING_VERTICAL) == TABBING_VERTICAL) {
1238                                         cell2edit = searchCellAboveBelow(row, getViewer(),
1239                                                         columnIndex, true);
1240                                 } else if ((feature & TABBING_HORIZONTAL) == TABBING_HORIZONTAL) {
1241                                         cell2edit = searchPreviousCell(row,
1242                                                         row.getCell(columnIndex), row.getCell(columnIndex),
1243                                                         getViewer());
1244                                 }
1245                         } else if (event.detail == SWT.TRAVERSE_TAB_NEXT) {
1246                                 event.doit = false;
1247                                 if ((event.stateMask & SWT.CTRL) == SWT.CTRL
1248                                                 && (feature & TABBING_VERTICAL) == TABBING_VERTICAL) {
1249                                         cell2edit = searchCellAboveBelow(row, getViewer(),
1250                                                         columnIndex, false);
1251                                 } else if ((feature & TABBING_HORIZONTAL) == TABBING_HORIZONTAL) {
1252                                         cell2edit = searchNextCell(row, row.getCell(columnIndex),
1253                                                         row.getCell(columnIndex), getViewer());
1254                                 }
1255                         }
1256                         if (DEBUG) System.err.println("NEXT CELL: " + cell2edit);
1257                         if (cell2edit != null) {
1258                                 getViewer().getControl().setRedraw(false);
1259                                 ColumnViewerEditorActivationEvent acEvent = new ColumnViewerEditorActivationEvent(
1260                                                 cell2edit, event);
1261                                 try {
1262                                         Method m = ColumnViewer.class
1263                                                         .getDeclaredMethod(
1264                                                                         "triggerEditorActivationEvent",
1265                                                                         new Class[] { ColumnViewerEditorActivationEvent.class });
1266                                         m.setAccessible(true);
1267                                         m.invoke(getViewer(), new Object[] { acEvent });
1268                                 } catch (SecurityException e) {
1269                                         e.printStackTrace();
1270                                 } catch (NoSuchMethodException e) {
1271                                         e.printStackTrace();
1272                                 } catch (IllegalArgumentException e) {
1273                                         e.printStackTrace();
1274                                 } catch (IllegalAccessException e) {
1275                                         e.printStackTrace();
1276                                 } catch (InvocationTargetException e) {
1277                                         e.printStackTrace();
1278                                 }
1279                                 getViewer().getControl().setRedraw(true);
1280                         }
1281                 }
1282
1283                 private ViewerCell searchCellAboveBelow(ViewerRow row,
1284                                 ColumnViewer viewer, int columnIndex, boolean above) {
1285                         ViewerCell rv = null;
1286                         ViewerRow newRow = null;
1287                         if (above) {
1288                                 newRow = row.getNeighbor(ViewerRow.ABOVE, false);
1289                         } else {
1290                                 newRow = row.getNeighbor(ViewerRow.BELOW, false);
1291                         }
1292                         try {
1293                                 if (newRow != null) {
1294                                         Method m = ColumnViewer.class.getDeclaredMethod(
1295                                                         "getViewerColumn", new Class[] { int.class });
1296                                         m.setAccessible(true);
1297                                         ViewerColumn column = (ViewerColumn) m.invoke(viewer,
1298                                                         new Object[] { new Integer(columnIndex) });
1299                                         m = ViewerColumn.class.getDeclaredMethod(
1300                                                         "getEditingSupport");
1301                                         m.setAccessible(true);
1302                                         EditingSupport es = (EditingSupport) m.invoke(column);
1303                                         if (column != null && es != null) {
1304                                                 m = EditingSupport.class.getDeclaredMethod("canEdit",
1305                                                                 new Class[] { Object.class });
1306                                                 m.setAccessible(true);
1307                                                 Boolean b = (Boolean) m.invoke(es,
1308                                                                 new Object[] { newRow.getItem().getData() });
1309                                                 if (b.booleanValue()) {
1310                                                         rv = newRow.getCell(columnIndex);
1311                                                 }
1312                                         } else {
1313                                                 rv = searchCellAboveBelow(newRow, viewer, columnIndex,
1314                                                                 above);
1315                                         }
1316                                 }
1317                         } catch (Exception e) {
1318                                 e.printStackTrace();
1319                         }
1320                         return rv;
1321                 }
1322
1323                 private ViewerCell searchPreviousCell(ViewerRow row,
1324                                 ViewerCell currentCell, ViewerCell originalCell,
1325                                 ColumnViewer viewer) {
1326                         ViewerCell rv = null;
1327                         ViewerCell previousCell;
1328                         if (currentCell != null) {
1329                                 previousCell = getNeighbor(currentCell, ViewerCell.LEFT, true);
1330                         } else {
1331                                 if (row.getColumnCount() != 0) {
1332                                         previousCell = row.getCell(getCreationIndex(row,
1333                                                         row.getColumnCount() - 1));
1334                                 } else {
1335                                         previousCell = row.getCell(0);
1336                                 }
1337                         }
1338                         // No endless loop
1339                         if (originalCell.equals(previousCell)) {
1340                                 return null;
1341                         }
1342                         if (previousCell != null) {
1343                                 if (isCellEditable(viewer, previousCell)) {
1344                                         rv = previousCell;
1345                                 } else {
1346                                         rv = searchPreviousCell(row, previousCell, originalCell,
1347                                                         viewer);
1348                                 }
1349                         } else {
1350                                 if ((feature & TABBING_CYCLE_IN_ROW) == TABBING_CYCLE_IN_ROW) {
1351                                         rv = searchPreviousCell(row, null, originalCell, viewer);
1352                                 } else if ((feature & TABBING_MOVE_TO_ROW_NEIGHBOR) == TABBING_MOVE_TO_ROW_NEIGHBOR) {
1353                                         ViewerRow rowAbove = row
1354                                                         .getNeighbor(ViewerRow.ABOVE, false);
1355                                         if (rowAbove != null) {
1356                                                 rv = searchPreviousCell(rowAbove, null, originalCell,
1357                                                                 viewer);
1358                                         }
1359                                 }
1360                         }
1361                         return rv;
1362                 }
1363
1364                 private ViewerCell searchNextCell(ViewerRow row,
1365                                 ViewerCell currentCell, ViewerCell originalCell,
1366                                 ColumnViewer viewer) {
1367                         ViewerCell rv = null;
1368                         ViewerCell nextCell;
1369                         if (currentCell != null) {
1370                                 nextCell = getNeighbor(currentCell, ViewerCell.RIGHT, true);
1371                         } else {
1372                                 nextCell = row.getCell(getCreationIndex(row, 0));
1373                         }
1374                         // No endless loop
1375                         if (originalCell.equals(nextCell)) {
1376                                 return null;
1377                         }
1378                         if (nextCell != null) {
1379                                 if (isCellEditable(viewer, nextCell)) {
1380                                         rv = nextCell;
1381                                 } else {
1382                                         rv = searchNextCell(row, nextCell, originalCell, viewer);
1383                                 }
1384                         } else {
1385                                 if ((feature & TABBING_CYCLE_IN_ROW) == TABBING_CYCLE_IN_ROW) {
1386                                         rv = searchNextCell(row, null, originalCell, viewer);
1387                                 } else if ((feature & TABBING_MOVE_TO_ROW_NEIGHBOR) == TABBING_MOVE_TO_ROW_NEIGHBOR) {
1388                                         ViewerRow rowBelow = row
1389                                                         .getNeighbor(ViewerRow.BELOW, false);
1390                                         if (rowBelow != null) {
1391                                                 rv = searchNextCell(rowBelow, null, originalCell,
1392                                                                 viewer);
1393                                         }
1394                                 }
1395                         }
1396                         return rv;
1397                 }
1398
1399                 private boolean isCellEditable(ColumnViewer viewer, ViewerCell cell) {
1400                         try {
1401                                 Method m = ColumnViewer.class.getDeclaredMethod(
1402                                                 "getViewerColumn", new Class[] { int.class });
1403                                 m.setAccessible(true);
1404                                 ViewerColumn column = (ViewerColumn) m.invoke(viewer,
1405                                                 new Object[] { new Integer(cell.getColumnIndex()) });
1406                                 m = ViewerColumn.class.getDeclaredMethod("getEditingSupport");
1407                                 m.setAccessible(true);
1408                                 EditingSupport es = (EditingSupport) m.invoke(column);
1409                                 if (column != null && es != null) {
1410                                         m = EditingSupport.class.getDeclaredMethod("canEdit",
1411                                                         new Class[] { Object.class });
1412                                         m.setAccessible(true);
1413                                         // return true;
1414                                         Boolean b = (Boolean) m.invoke(es,
1415                                                         new Object[] { cell.getElement() });
1416                                         return b.booleanValue();
1417                                 }
1418                         } catch (Exception e) {
1419                                 e.printStackTrace();
1420                         }
1421                         return false;
1422                 }
1423         }
1424
1425         // Reimplementation of ViewerCell-Methods
1426         private static int getVisualIndex(ViewerRow row, int creationIndex) {
1427                 TableItem item = (TableItem) row.getItem();
1428                 int[] order = item.getParent().getColumnOrder();
1429                 for (int i = 0; i < order.length; i++) {
1430                         if (order[i] == creationIndex) {
1431                                 return i;
1432                         }
1433                 }
1434                 return creationIndex;
1435         }
1436
1437         private static int getCreationIndex(ViewerRow row, int visualIndex) {
1438                 TableItem item = (TableItem) row.getItem();
1439                 if (item != null && !item.isDisposed() /*
1440                                                                                                  * && hasColumns() &&
1441                                                                                                  * isValidOrderIndex
1442                                                                                                  * (visualIndex)
1443                                                                                                  */) {
1444                         return item.getParent().getColumnOrder()[visualIndex];
1445                 }
1446                 return visualIndex;
1447         }
1448
1449         private static ViewerCell getCellAtVisualIndex(ViewerRow row,
1450                         int visualIndex) {
1451                 return getCell(row, getCreationIndex(row, visualIndex));
1452         }
1453
1454         private static boolean isVisible(ViewerCell cell) {
1455                 return getWidth(cell) > 0;
1456         }
1457
1458         private static int getWidth(ViewerCell cell) {
1459                 TableItem item = (TableItem) cell.getViewerRow().getItem();
1460                 return item.getParent().getColumn(cell.getColumnIndex()).getWidth();
1461         }
1462
1463         private static ViewerCell getCell(ViewerRow row, int index) {
1464                 return row.getCell(index);
1465         }
1466
1467
1468 }