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                                 protected boolean isEditorActivationEvent(
 603                                                 ColumnViewerEditorActivationEvent event) {
 604                                         return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
 605                                                         || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
 606                                                         || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == SWT.CR)
 607                                                         || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
 608                                 }
 609                         };
 610                         TableViewerEditor.create(viewer, focusCellManager, actSupport,
 611                                         ColumnViewerEditor.TABBING_HORIZONTAL
 612                                                         | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
 613                                                         | ColumnViewerEditor.TABBING_VERTICAL
 614                                                         | ColumnViewerEditor.KEYBOARD_ACTIVATION);
 615                         viewer.getColumnViewerEditor().addEditorActivationListener(
 616                                         new ColumnViewerEditorActivationListener() {
 617                                                 public void afterEditorActivated(
 618                                                                 ColumnViewerEditorActivationEvent event) {
 619                                                 }
 620
 621                                                 public void afterEditorDeactivated(
 622                                                                 ColumnViewerEditorDeactivationEvent event) {
 623                                                 }
 624
 625                                                 public void beforeEditorActivated(
 626                                                                 ColumnViewerEditorActivationEvent event) {
 627                                                         ViewerCell cell = (ViewerCell) event.getSource();
 628                                                         viewer.getTable().showColumn(
 629                                                                         viewer.getTable().getColumn(cell.getColumnIndex()));
 630                                                 }
 631
 632                                                 public void beforeEditorDeactivated(
 633                                                                 ColumnViewerEditorDeactivationEvent event) {
 634                                                 }
 635                                         });
 636                 }
 637
 638
 639
 640
 641                 private IPropertyItem selectedItem = null;
 642                 private Set<IPropertyItem> delayedUpdate = new HashSet<IPropertyItem>();
 643
 644
 645                 @Override
 646                 public void setInput(ISessionContext context, ISelection selection,
 647                                 boolean force) {
 648                         Collection<INode> nodes = AdaptationUtils.adaptToCollection(selection, INode.class);
 649                         if (nodes.size() != 1) {
 650                                 if (node != null) {
 651                                         node.removeListener(this);
 652                                         node = null;
 653                                 }
 654                                 return;
 655                         }
 656                         INode n = nodes.iterator().next();
 657                         if (node != null) {
 658                                 if (!node.equals(n)) {
 659                                         node.removeListener(this);
 660                                         setInput(n);
 661                                 }
 662                         } else {
 663                                 setInput(n);
 664                         }
 665                 }
 666
 667
 668
 669                 private void setInput(INode node) {
 670                         this.node = node;
 671                         this.node.addListener(this);
 672                         // resolve nodemap
 673                         INode n = node;
 674                         while (true) {
 675                                 if (n == null) {
 676                                         nodeMap = null;
 677                                         break;
 678                                 }
 679                                 if (n instanceof NodeMapProvider<?,?,?>) {
 680                                         nodeMap = ((NodeMapProvider<?,?,?>) n).getNodeMap();
 681                                         if (nodeMap != null)
 682                                                 break;
 683                                 }
 684                                 n = (INode)n.getParent();
 685                         }
 686                         boolean readOnly =  (node instanceof IStructuralNode && ((IStructuralNode)node).isPartOfInstantiatedModel() && !((IStructuralNode)node).isInstantiatedModelRoot());
 687
 688                         resolvedItems.clear();
 689                         manipulators.clear();
 690                         for (IPropertyItem item : contibutedItems) {
 691                                 if (item instanceof PropertyItem) {
 692                                         resolvedItems.add((PropertyItem)item);
 693                                         manipulators.put((PropertyItem)item, createManipulator((PropertyItem)item, node));
 694                                 } else if (item instanceof ComboPropertyItem) {
 695                                     resolvedItems.add((ComboPropertyItem)item);
 696                                     manipulators.put((ComboPropertyItem)item, createManipulator((ComboPropertyItem)item, node));
 697                                 } else if (item instanceof CompoundPropertyItem) {
 698                                         CompoundPropertyItem compound = (CompoundPropertyItem)item;
 699                                         Map<PropertyItem, PropertyManipulator> manipulators = createManipulators(compound, node);
 700                                         for (PropertyItem i : manipulators.keySet()) {
 701                                                 resolvedItems.add(i);
 702                                                 this.manipulators.put(i, manipulators.get(i));
 703                                         }
 704                                 } else {
 705
 706                                 }
 707                         }
 708
 709                         int valueCount = 0;
 710                         for (PropertyManipulator manipulator : manipulators.values()) {
 711                             if (valueCount < manipulator.getValueCount())
 712                    valueCount = manipulator.getValueCount();
 713                         }
 714             for (int i = 0; i < valueCount; i++) {
 715                 TableViewerColumn value = new TableViewerColumn(viewer, SWT.LEFT);
 716                 //value.getColumn().setText("Value " + (i+1));
 717                 value.getColumn().setText("");
 718                 value.getColumn().setWidth(200);
 719                 valueColumns.add(value);
 720                 //value.setEditingSupport(new )
 721             }
 722
 723             // create label providers
 724             PropertyValueLabelProvider2 p = new PropertyValueLabelProvider2(this);
 725             int index = 0;
 726             for (TableViewerColumn c : valueColumns) {
 727                 c.setLabelProvider(p);
 728                 if (!readOnly) {
 729                     PropertyEditingSupport support = new PropertyEditingSupport(this, viewer, index++, nodeMap);
 730                     c.setEditingSupport(support);
 731                 }
 732             }
 733                         Collections.sort(resolvedItems, new Comparator<IPropertyItem>() {
 734                             @Override
 735                             public int compare(IPropertyItem o1, IPropertyItem o2) {
 736                                 return o1.getName().compareTo(o2.getName());
 737                             }
 738             });
 739                         viewer.getTable().setEnabled(!readOnly);
 740                         viewer.setInput(resolvedItems);
 741                 }
 742
 743                 @Override
 744                 public void requestFocus() {
 745                         viewer.getTable().forceFocus();
 746                 }
 747
 748                 @Override
 749                 public void dispose() {
 750                         if (node != null) {
 751                                 node.removeListener(this);
 752                                 node = null;
 753                         }
 754
 755                 }
 756
 757                 @Override
 758                 public Control getControl() {
 759                         return viewer.getTable();
 760                 }
 761
 762                 @Override
 763                 public ISelectionProvider getSelectionProvider() {
 764                         return null;
 765                 }
 766
 767                 @Override
 768                 public boolean isDisposed() {
 769                         return viewer.getTable().isDisposed();
 770                 }
 771
 772                 @Override
 773                 public <T extends INode> void nodeAdded(ParentNode<T> node,
 774                                 INode child, String rel) {
 775
 776                 }
 777
 778                 @Override
 779                 public <T extends INode> void nodeRemoved(ParentNode<T> node,
 780                                 INode child, String rel) {
 781
 782                 }
 783
 784                 @Override
 785                 public void propertyChanged(INode node, final String id) {
 786 //                      for (final PropertyItem item : items) {
 787 //                              if (item.id.equals(id)) {
 788 //                                      Display.getDefault().asyncExec(new Runnable() {
 789 //
 790 //                                              @Override
 791 //                                              public void run() {
 792 //                                                      viewer.update(item, null);
 793 //
 794 //                                              }
 795 //                                      });
 796 //                              }
 797 //                      }
 798                         if (Thread.currentThread() == Display.getDefault().getThread()) {
 799                                 if (viewer.getTable().isDisposed())
 800                                         return;
 801                                 if (DEBUG)System.out.println("Viewer refresh " + id);
 802                                 for (IPropertyItem item : resolvedItems)
 803                                         if (!item.equals(selectedItem))
 804                                                 viewer.refresh(item);
 805                                 if (selectedItem != null)
 806                                         delayedUpdate.add(selectedItem);
 807                         } else if (!editing){
 808                                 // running delayed refresh when a cell editor is active would cancel cell editing.
 809                                 Display.getDefault().asyncExec(new Runnable() {
 810                                         @Override
 811                                         public void run() {
 812                                                 if (viewer.getTable().isDisposed()) {
 813                                                         if (AnnotatedPropertyTab.this.node != null)
 814                                                                 AnnotatedPropertyTab.this.node.removeListener(AnnotatedPropertyTab.this);
 815                                                         return;
 816                                                 }
 817                                                 if (DEBUG) System.out.println("Viewer threaded refresh " + id);
 818                                                 for (IPropertyItem item : resolvedItems)
 819                                                         if (!item.equals(selectedItem))
 820                                                                 viewer.refresh(item);
 821                                                 if (selectedItem != null)
 822                                                         delayedUpdate.add(selectedItem);
 823
 824                                         }
 825                                 });
 826                         } else {
 827                                 for (IPropertyItem item : resolvedItems) {
 828                                         delayedUpdate.add(item);
 829                                 }
 830                         }
 831
 832                 }
 833
 834
 835
 836                 @Override
 837                 public void updatePartName(Consumer<String> updateCallback) {
 838                         if (node != null)
 839                                 updateCallback.accept(node.toString());
 840
 841                 }
 842
 843                 public PropertyManipulator getManipulator(IPropertyItem item) {
 844                         return manipulators.get(item);
 845                 }
 846
 847                 private boolean editing = false;
 848
 849                 public void setEditing(boolean editing) {
 850                         this.editing = editing;
 851                 }
 852         }
 853
 854
 855
 856         private static class PropertyEditingSupport extends EditingSupport {
 857                 AnnotatedPropertyTab tab;
 858                 int index;
 859                 NodeMap<?,?,?> nodeMap;
 860                 TableViewer viewer;
 861                 CellEditor editor;
 862
 863                 public PropertyEditingSupport(AnnotatedPropertyTab tab, TableViewer viewer, int index, NodeMap<?,?,?> nodeMap) {
 864                         super(viewer);
 865                         this.tab = tab;
 866                         this.index = index;
 867                         this.viewer = viewer;
 868                         this.nodeMap = nodeMap;
 869                 }
 870
 871                 @Override
 872                 protected boolean canEdit(Object element) {
 873                         IPropertyItem item = (IPropertyItem)element;
 874                         if (tab.getManipulator(item).getValueCount() <= index)
 875                                 return false;
 876                         if (!item.editable())
 877                                 return false;
 878                         if (getValue(element) == null)
 879                                 return false;
 880                         return true;
 881                 }
 882
 883                 @Override
 884                 protected CellEditor getCellEditor(Object element) {
 885                         IPropertyItem item = (IPropertyItem)element;
 886                         if (tab.getManipulator(item).getValueCount() <= index)
 887                                 return null;
 888                         if (editor == null)
 889                             if (item instanceof PropertyItem)
 890                                 editor = new TextCellEditor(viewer.getTable(),SWT.NONE) {
 891                                 @Override
 892                                 public void activate() {
 893                                         tab.setEditing(true);
 894                                 }
 895
 896                                 @Override
 897                                 public void deactivate() {
 898                                         super.deactivate();
 899                                         tab.setEditing(false);
 900                                 }
 901                         };
 902                         else if (item instanceof ComboPropertyItem) {
 903                             ComboPropertyItem comboPropertyItem = (ComboPropertyItem)item;
 904                             ComboPropertyManipulator manipulator = (ComboPropertyManipulator)tab.manipulators.get(comboPropertyItem);
 905                             editor = new ComboBoxCellEditor(viewer.getTable(), manipulator.getItems()) {
 906                                 @Override
 907                         public void activate() {
 908                             tab.setEditing(true);
 909                         }
 910
 911                         @Override
 912                         public void deactivate() {
 913                             super.deactivate();
 914                             tab.setEditing(false);
 915                         }
 916                             };
 917                         }
 918                         if (DEBUG)System.err.println("CELL EDITOR: " + element);
 919                         return editor;
 920                 }
 921
 922                 @Override
 923                 protected Object getValue(Object element) {
 924                         IPropertyItem item = (IPropertyItem)element;
 925                         PropertyManipulator manipulator = tab.getManipulator(item);//createManipulator(item, obj);
 926                         if (manipulator.getValueCount() <= index)
 927                                 return null;
 928                         if (manipulator instanceof ComboPropertyManipulator) {
 929                             return ((ComboPropertyManipulator)manipulator).getValueIndex();
 930                         }
 931                         Object value = manipulator.getValue(index);
 932                         return value;
 933                 }
 934
 935                 @Override
 936                 protected void setValue(Object element, Object value) {
 937
 938                         IPropertyItem item = (IPropertyItem)element;
 939                         PropertyManipulator manipulator = tab.getManipulator(item);//createManipulator(item, obj);
 940                         if (manipulator.getValueCount() <= index)
 941                                 throw new IllegalAccessError("Editing value in index " + index + " is not allowed.");
 942                         if (DEBUG)System.err.println("CELL SET VALUE: " + element + " " + value);
 943                         manipulator.setValue(value.toString(),index);
 944                         viewer.refresh(item);
 945                         nodeMap.commit("Set " + item.getId() + " value to " + value);
 946
 947                 }
 948
 949
 950
 951         }
 952
 953         private static class PropertyItemNameProvider extends CellLabelProvider {
 954
 955
 956                 @Override
 957                 public void update(ViewerCell cell) {
 958                         IPropertyItem item = (IPropertyItem)cell.getElement();
 959
 960                         if (item.getName().length() > 0)
 961                                 cell.setText(item.getName());
 962                         else
 963                                 cell.setText(item.getId());
 964
 965
 966                 }
 967         }
 968
 969         private static class PropertyValueLabelProvider2 extends CellLabelProvider {
 970                 AnnotatedPropertyTab tab;
 971                 //private Object object;
 972
 973                 public PropertyValueLabelProvider2(AnnotatedPropertyTab tab) {
 974                         this.tab = tab;
 975                 }
 976
 977                 @Override
 978                 public void update(ViewerCell cell) {
 979                         IPropertyItem item = (IPropertyItem)cell.getElement();
 980                         int index = cell.getColumnIndex() -1;
 981                         PropertyManipulator manipulator = tab.getManipulator(item);//createManipulator(item, object);
 982                         if (manipulator.getValueCount() <= index)
 983                                 return;
 984                         cell.setText(manipulator.getValue(index));
 985                 }
 986         }
 987
 988         private static class PropertyItemContentsProvider implements IStructuredContentProvider {
 989                 @SuppressWarnings("unchecked")
 990                 @Override
 991                 public Object[] getElements(Object inputElement) {
 992                         List<PropertyItem> items = (List<PropertyItem>)inputElement;
 993                         return items.toArray();
 994                 }
 995
 996                 @Override
 997                 public void dispose() {
 998
 999                 }
1000
1001                 @Override
1002                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
1003
1004                 }
1005         }
1006
1007
1008
1009         private static ViewerCell getNeighbor(ViewerCell currentCell,
1010                         int directionMask, boolean sameLevel) {
1011                 ViewerRow row;
1012                 if ((directionMask & ViewerCell.ABOVE) == ViewerCell.ABOVE) {
1013                         row = currentCell.getViewerRow().getNeighbor(ViewerRow.ABOVE,
1014                                         sameLevel);
1015                 } else if ((directionMask & ViewerCell.BELOW) == ViewerCell.BELOW) {
1016                         row = currentCell.getViewerRow().getNeighbor(ViewerRow.BELOW,
1017                                         sameLevel);
1018                 } else {
1019                         row = currentCell.getViewerRow();
1020                 }
1021                 if (row != null) {
1022                         int columnIndex;
1023                         columnIndex = getVisualIndex(row, currentCell.getColumnIndex());
1024                         int modifier = 0;
1025                         if ((directionMask & ViewerCell.LEFT) == ViewerCell.LEFT) {
1026                                 modifier = -1;
1027                         } else if ((directionMask & ViewerCell.RIGHT) == ViewerCell.RIGHT) {
1028                                 modifier = 1;
1029                         }
1030                         columnIndex += modifier;
1031                         if (columnIndex >= 0 && columnIndex < row.getColumnCount()) {
1032                                 ViewerCell cell = getCellAtVisualIndex(row, columnIndex);
1033                                 if (cell != null) {
1034                                         while (cell != null
1035                                                         && columnIndex < row.getColumnCount() - 1
1036                                                         && columnIndex > 0) {
1037                                                 if (isVisible(cell)) {
1038                                                         break;
1039                                                 }
1040                                                 columnIndex += modifier;
1041                                                 cell = getCellAtVisualIndex(row, columnIndex);
1042                                                 if (cell == null) {
1043                                                         break;
1044                                                 }
1045                                         }
1046                                 }
1047                                 return cell;
1048                         }
1049                 }
1050                 return null;
1051         }
1052
1053
1054
1055         public static class TableViewerEditor extends ColumnViewerEditor {
1056                 /**
1057                  * This viewer's table editor.
1058                  */
1059                 private TableEditor tableEditor;
1060                 private TableViewerFocusCellManager focusCellManager;
1061                 private int feature;
1062
1063                 /**
1064                  * @param viewer
1065                  *            the viewer the editor is attached to
1066                  * @param focusCellManager
1067                  *            the cell focus manager if one used or <code>null</code>
1068                  * @param editorActivationStrategy
1069                  *            the strategy used to decide about the editor activation
1070                  * @param feature
1071                  *            the feature mask
1072                  */
1073                 TableViewerEditor(TableViewer viewer,
1074                                 TableViewerFocusCellManager focusCellManager,
1075                                 ColumnViewerEditorActivationStrategy editorActivationStrategy,
1076                                 int feature) {
1077                         super(viewer, editorActivationStrategy, feature);
1078                         this.feature = feature;
1079                         tableEditor = new TableEditor(viewer.getTable());
1080                         this.focusCellManager = focusCellManager;
1081                 }
1082
1083                 /**
1084                  * Create a customized editor with focusable cells
1085                  *
1086                  * @param viewer
1087                  *            the viewer the editor is created for
1088                  * @param focusCellManager
1089                  *            the cell focus manager if one needed else
1090                  *            <code>null</code>
1091                  * @param editorActivationStrategy
1092                  *            activation strategy to control if an editor activated
1093                  * @param feature
1094                  *            bit mask controlling the editor
1095                  *            <ul>
1096                  *            <li>{@link ColumnViewerEditor#DEFAULT}</li>
1097                  *            <li>{@link ColumnViewerEditor#TABBING_CYCLE_IN_ROW}</li>
1098                  *            <li>{@link ColumnViewerEditor#TABBING_HORIZONTAL}</li>
1099                  *            <li>
1100                  *            {@link ColumnViewerEditor#TABBING_MOVE_TO_ROW_NEIGHBOR}</li>
1101                  *            <li>{@link ColumnViewerEditor#TABBING_VERTICAL}</li>
1102                  *            </ul>
1103                  * @see #create(TableViewer, ColumnViewerEditorActivationStrategy, int)
1104                  */
1105                 public static void create(TableViewer viewer,
1106                                 TableViewerFocusCellManager focusCellManager,
1107                                 ColumnViewerEditorActivationStrategy editorActivationStrategy,
1108                                 int feature) {
1109                         TableViewerEditor editor = new TableViewerEditor(viewer,
1110                                         focusCellManager, editorActivationStrategy, feature);
1111                         viewer.setColumnViewerEditor(editor);
1112                         if (focusCellManager != null) {
1113                                 try {
1114                                         Method m = focusCellManager.getClass().getSuperclass()
1115                                                         .getDeclaredMethod("init");
1116                                         m.setAccessible(true);
1117                                         m.invoke(focusCellManager);
1118                                 } catch (SecurityException e) {
1119                                         e.printStackTrace();
1120                                 } catch (IllegalArgumentException e) {
1121                                         e.printStackTrace();
1122                                 } catch (IllegalAccessException e) {
1123                                         e.printStackTrace();
1124                                 } catch (NoSuchMethodException e) {
1125                                         e.printStackTrace();
1126                                 } catch (InvocationTargetException e) {
1127                                         e.printStackTrace();
1128                                 }
1129                                 // focusCellManager.init();
1130                         }
1131                 }
1132
1133                 /**
1134                  * Create a customized editor whose activation process is customized
1135                  *
1136                  * @param viewer
1137                  *            the viewer the editor is created for
1138                  * @param editorActivationStrategy
1139                  *            activation strategy to control if an editor activated
1140                  * @param feature
1141                  *            bit mask controlling the editor
1142                  *            <ul>
1143                  *            <li>{@link ColumnViewerEditor#DEFAULT}</li>
1144                  *            <li>{@link ColumnViewerEditor#TABBING_CYCLE_IN_ROW}</li>
1145                  *            <li>{@link ColumnViewerEditor#TABBING_HORIZONTAL}</li>
1146                  *            <li>
1147                  *            {@link ColumnViewerEditor#TABBING_MOVE_TO_ROW_NEIGHBOR}</li>
1148                  *            <li>{@link ColumnViewerEditor#TABBING_VERTICAL}</li>
1149                  *            </ul>
1150                  */
1151                 public static void create(TableViewer viewer,
1152                                 ColumnViewerEditorActivationStrategy editorActivationStrategy,
1153                                 int feature) {
1154                         create(viewer, null, editorActivationStrategy, feature);
1155                 }
1156
1157                 protected void setEditor(Control w, Item item, int columnNumber) {
1158                         tableEditor.setEditor(w, (TableItem) item, columnNumber);
1159                 }
1160
1161                 protected void setLayoutData(LayoutData layoutData) {
1162                         tableEditor.grabHorizontal = layoutData.grabHorizontal;
1163                         tableEditor.horizontalAlignment = layoutData.horizontalAlignment;
1164                         tableEditor.minimumWidth = layoutData.minimumWidth;
1165                 }
1166
1167                 public ViewerCell getFocusCell() {
1168                         if (focusCellManager != null) {
1169                                 return focusCellManager.getFocusCell();
1170                         }
1171                         return super.getFocusCell();
1172                 }
1173
1174                 protected void updateFocusCell(ViewerCell focusCell,
1175                                 ColumnViewerEditorActivationEvent event) {
1176                         // Update the focus cell when we activated the editor with these 2
1177                         // events
1178                         if (event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC
1179                                         || event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL) {
1180                                 if (focusCellManager != null) {
1181                                         try {
1182                                                 if (DEBUG)System.err.println("FOCUS CELL: " + focusCell);
1183
1184                                                 Method m = AbstractTableViewer.class.getDeclaredMethod(
1185                                                                 "getSelectionFromWidget");
1186                                                 m.setAccessible(true);
1187                                                 @SuppressWarnings("rawtypes")
1188                                                 List l = (List) m.invoke(getViewer());
1189                                                 if (focusCellManager != null) {
1190                                                         m = focusCellManager
1191                                                                         .getClass()
1192                                                                         .getSuperclass()
1193                                                                         .getDeclaredMethod("setFocusCell",
1194                                                                                         new Class[] { ViewerCell.class });
1195                                                         m.setAccessible(true);
1196                                                         m.invoke(focusCellManager,
1197                                                                         new Object[] { focusCell });
1198                                                 }
1199                                                 if (!l.contains(focusCell.getElement())) {
1200                                                         getViewer().setSelection(
1201                                                                         new StructuredSelection(focusCell
1202                                                                                         .getElement()));
1203                                                 }
1204                                         } catch (SecurityException e) {
1205                                                 e.printStackTrace();
1206                                         } catch (IllegalArgumentException e) {
1207                                                 e.printStackTrace();
1208                                         } catch (IllegalAccessException e) {
1209                                                 e.printStackTrace();
1210                                         } catch (NoSuchMethodException e) {
1211                                                 e.printStackTrace();
1212                                         } catch (InvocationTargetException e) {
1213                                                 e.printStackTrace();
1214                                         }
1215                                 }
1216                         }
1217                 }
1218
1219                 protected void processTraverseEvent(int columnIndex, ViewerRow row,
1220                                 TraverseEvent event) {
1221                         ViewerCell cell2edit = null;
1222                         if (event.detail == SWT.TRAVERSE_TAB_PREVIOUS) {
1223                                 event.doit = false;
1224                                 if ((event.stateMask & SWT.CTRL) == SWT.CTRL
1225                                                 && (feature & TABBING_VERTICAL) == TABBING_VERTICAL) {
1226                                         cell2edit = searchCellAboveBelow(row, getViewer(),
1227                                                         columnIndex, true);
1228                                 } else if ((feature & TABBING_HORIZONTAL) == TABBING_HORIZONTAL) {
1229                                         cell2edit = searchPreviousCell(row,
1230                                                         row.getCell(columnIndex), row.getCell(columnIndex),
1231                                                         getViewer());
1232                                 }
1233                         } else if (event.detail == SWT.TRAVERSE_TAB_NEXT) {
1234                                 event.doit = false;
1235                                 if ((event.stateMask & SWT.CTRL) == SWT.CTRL
1236                                                 && (feature & TABBING_VERTICAL) == TABBING_VERTICAL) {
1237                                         cell2edit = searchCellAboveBelow(row, getViewer(),
1238                                                         columnIndex, false);
1239                                 } else if ((feature & TABBING_HORIZONTAL) == TABBING_HORIZONTAL) {
1240                                         cell2edit = searchNextCell(row, row.getCell(columnIndex),
1241                                                         row.getCell(columnIndex), getViewer());
1242                                 }
1243                         }
1244                         if (DEBUG) System.err.println("NEXT CELL: " + cell2edit);
1245                         if (cell2edit != null) {
1246                                 getViewer().getControl().setRedraw(false);
1247                                 ColumnViewerEditorActivationEvent acEvent = new ColumnViewerEditorActivationEvent(
1248                                                 cell2edit, event);
1249                                 try {
1250                                         Method m = ColumnViewer.class
1251                                                         .getDeclaredMethod(
1252                                                                         "triggerEditorActivationEvent",
1253                                                                         new Class[] { ColumnViewerEditorActivationEvent.class });
1254                                         m.setAccessible(true);
1255                                         m.invoke(getViewer(), new Object[] { acEvent });
1256                                 } catch (SecurityException e) {
1257                                         e.printStackTrace();
1258                                 } catch (NoSuchMethodException e) {
1259                                         e.printStackTrace();
1260                                 } catch (IllegalArgumentException e) {
1261                                         e.printStackTrace();
1262                                 } catch (IllegalAccessException e) {
1263                                         e.printStackTrace();
1264                                 } catch (InvocationTargetException e) {
1265                                         e.printStackTrace();
1266                                 }
1267                                 getViewer().getControl().setRedraw(true);
1268                         }
1269                 }
1270
1271                 private ViewerCell searchCellAboveBelow(ViewerRow row,
1272                                 ColumnViewer viewer, int columnIndex, boolean above) {
1273                         ViewerCell rv = null;
1274                         ViewerRow newRow = null;
1275                         if (above) {
1276                                 newRow = row.getNeighbor(ViewerRow.ABOVE, false);
1277                         } else {
1278                                 newRow = row.getNeighbor(ViewerRow.BELOW, false);
1279                         }
1280                         try {
1281                                 if (newRow != null) {
1282                                         Method m = ColumnViewer.class.getDeclaredMethod(
1283                                                         "getViewerColumn", new Class[] { int.class });
1284                                         m.setAccessible(true);
1285                                         ViewerColumn column = (ViewerColumn) m.invoke(viewer,
1286                                                         new Object[] { new Integer(columnIndex) });
1287                                         m = ViewerColumn.class.getDeclaredMethod(
1288                                                         "getEditingSupport");
1289                                         m.setAccessible(true);
1290                                         EditingSupport es = (EditingSupport) m.invoke(column);
1291                                         if (column != null && es != null) {
1292                                                 m = EditingSupport.class.getDeclaredMethod("canEdit",
1293                                                                 new Class[] { Object.class });
1294                                                 m.setAccessible(true);
1295                                                 Boolean b = (Boolean) m.invoke(es,
1296                                                                 new Object[] { newRow.getItem().getData() });
1297                                                 if (b.booleanValue()) {
1298                                                         rv = newRow.getCell(columnIndex);
1299                                                 }
1300                                         } else {
1301                                                 rv = searchCellAboveBelow(newRow, viewer, columnIndex,
1302                                                                 above);
1303                                         }
1304                                 }
1305                         } catch (Exception e) {
1306                                 e.printStackTrace();
1307                         }
1308                         return rv;
1309                 }
1310
1311                 private ViewerCell searchPreviousCell(ViewerRow row,
1312                                 ViewerCell currentCell, ViewerCell originalCell,
1313                                 ColumnViewer viewer) {
1314                         ViewerCell rv = null;
1315                         ViewerCell previousCell;
1316                         if (currentCell != null) {
1317                                 previousCell = getNeighbor(currentCell, ViewerCell.LEFT, true);
1318                         } else {
1319                                 if (row.getColumnCount() != 0) {
1320                                         previousCell = row.getCell(getCreationIndex(row,
1321                                                         row.getColumnCount() - 1));
1322                                 } else {
1323                                         previousCell = row.getCell(0);
1324                                 }
1325                         }
1326                         // No endless loop
1327                         if (originalCell.equals(previousCell)) {
1328                                 return null;
1329                         }
1330                         if (previousCell != null) {
1331                                 if (isCellEditable(viewer, previousCell)) {
1332                                         rv = previousCell;
1333                                 } else {
1334                                         rv = searchPreviousCell(row, previousCell, originalCell,
1335                                                         viewer);
1336                                 }
1337                         } else {
1338                                 if ((feature & TABBING_CYCLE_IN_ROW) == TABBING_CYCLE_IN_ROW) {
1339                                         rv = searchPreviousCell(row, null, originalCell, viewer);
1340                                 } else if ((feature & TABBING_MOVE_TO_ROW_NEIGHBOR) == TABBING_MOVE_TO_ROW_NEIGHBOR) {
1341                                         ViewerRow rowAbove = row
1342                                                         .getNeighbor(ViewerRow.ABOVE, false);
1343                                         if (rowAbove != null) {
1344                                                 rv = searchPreviousCell(rowAbove, null, originalCell,
1345                                                                 viewer);
1346                                         }
1347                                 }
1348                         }
1349                         return rv;
1350                 }
1351
1352                 private ViewerCell searchNextCell(ViewerRow row,
1353                                 ViewerCell currentCell, ViewerCell originalCell,
1354                                 ColumnViewer viewer) {
1355                         ViewerCell rv = null;
1356                         ViewerCell nextCell;
1357                         if (currentCell != null) {
1358                                 nextCell = getNeighbor(currentCell, ViewerCell.RIGHT, true);
1359                         } else {
1360                                 nextCell = row.getCell(getCreationIndex(row, 0));
1361                         }
1362                         // No endless loop
1363                         if (originalCell.equals(nextCell)) {
1364                                 return null;
1365                         }
1366                         if (nextCell != null) {
1367                                 if (isCellEditable(viewer, nextCell)) {
1368                                         rv = nextCell;
1369                                 } else {
1370                                         rv = searchNextCell(row, nextCell, originalCell, viewer);
1371                                 }
1372                         } else {
1373                                 if ((feature & TABBING_CYCLE_IN_ROW) == TABBING_CYCLE_IN_ROW) {
1374                                         rv = searchNextCell(row, null, originalCell, viewer);
1375                                 } else if ((feature & TABBING_MOVE_TO_ROW_NEIGHBOR) == TABBING_MOVE_TO_ROW_NEIGHBOR) {
1376                                         ViewerRow rowBelow = row
1377                                                         .getNeighbor(ViewerRow.BELOW, false);
1378                                         if (rowBelow != null) {
1379                                                 rv = searchNextCell(rowBelow, null, originalCell,
1380                                                                 viewer);
1381                                         }
1382                                 }
1383                         }
1384                         return rv;
1385                 }
1386
1387                 private boolean isCellEditable(ColumnViewer viewer, ViewerCell cell) {
1388                         try {
1389                                 Method m = ColumnViewer.class.getDeclaredMethod(
1390                                                 "getViewerColumn", new Class[] { int.class });
1391                                 m.setAccessible(true);
1392                                 ViewerColumn column = (ViewerColumn) m.invoke(viewer,
1393                                                 new Object[] { new Integer(cell.getColumnIndex()) });
1394                                 m = ViewerColumn.class.getDeclaredMethod("getEditingSupport");
1395                                 m.setAccessible(true);
1396                                 EditingSupport es = (EditingSupport) m.invoke(column);
1397                                 if (column != null && es != null) {
1398                                         m = EditingSupport.class.getDeclaredMethod("canEdit",
1399                                                         new Class[] { Object.class });
1400                                         m.setAccessible(true);
1401                                         // return true;
1402                                         Boolean b = (Boolean) m.invoke(es,
1403                                                         new Object[] { cell.getElement() });
1404                                         return b.booleanValue();
1405                                 }
1406                         } catch (Exception e) {
1407                                 e.printStackTrace();
1408                         }
1409                         return false;
1410                 }
1411         }
1412
1413         // Reimplementation of ViewerCell-Methods
1414         private static int getVisualIndex(ViewerRow row, int creationIndex) {
1415                 TableItem item = (TableItem) row.getItem();
1416                 int[] order = item.getParent().getColumnOrder();
1417                 for (int i = 0; i < order.length; i++) {
1418                         if (order[i] == creationIndex) {
1419                                 return i;
1420                         }
1421                 }
1422                 return creationIndex;
1423         }
1424
1425         private static int getCreationIndex(ViewerRow row, int visualIndex) {
1426                 TableItem item = (TableItem) row.getItem();
1427                 if (item != null && !item.isDisposed() /*
1428                                                                                                  * && hasColumns() &&
1429                                                                                                  * isValidOrderIndex
1430                                                                                                  * (visualIndex)
1431                                                                                                  */) {
1432                         return item.getParent().getColumnOrder()[visualIndex];
1433                 }
1434                 return visualIndex;
1435         }
1436
1437         private static ViewerCell getCellAtVisualIndex(ViewerRow row,
1438                         int visualIndex) {
1439                 return getCell(row, getCreationIndex(row, visualIndex));
1440         }
1441
1442         private static boolean isVisible(ViewerCell cell) {
1443                 return getWidth(cell) > 0;
1444         }
1445
1446         private static int getWidth(ViewerCell cell) {
1447                 TableItem item = (TableItem) cell.getViewerRow().getItem();
1448                 return item.getParent().getColumn(cell.getColumnIndex()).getWidth();
1449         }
1450
1451         private static ViewerCell getCell(ViewerRow row, int index) {
1452                 return row.getCell(index);
1453         }
1454
1455
1456 }