JcrResultTreeView.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.client.ui.views;
  17
  18 import java.text.DateFormat;
  19 import java.text.SimpleDateFormat;
  20 import java.util.ArrayList;
  21 import java.util.Calendar;
  22 import java.util.Iterator;
  23 import java.util.List;
  24
  25 import javax.jcr.Node;
  26 import javax.jcr.NodeIterator;
  27 import javax.jcr.Property;
  28 import javax.jcr.RepositoryException;
  29 import javax.jcr.Session;
  30 import javax.jcr.nodetype.NodeType;
  31 import javax.jcr.observation.Event;
  32 import javax.jcr.observation.EventListener;
  33 import javax.jcr.observation.ObservationManager;
  34
  35 import org.apache.commons.logging.Log;
  36 import org.apache.commons.logging.LogFactory;
  37 import org.argeo.ArgeoException;
  38 import org.argeo.eclipse.ui.jcr.AsyncUiEventListener;
  39 import org.argeo.eclipse.ui.utils.CommandUtils;
  40 import org.argeo.jcr.JcrUtils;
  41 import org.argeo.slc.SlcException;
  42 import org.argeo.slc.client.ui.ClientUiPlugin;
  43 import org.argeo.slc.client.ui.SlcUiConstants;
  44 import org.argeo.slc.client.ui.commands.AddResultFolder;
  45 import org.argeo.slc.client.ui.commands.RenameResultFolder;
  46 import org.argeo.slc.client.ui.commands.RenameResultNode;
  47 import org.argeo.slc.client.ui.editors.ProcessEditor;
  48 import org.argeo.slc.client.ui.editors.ProcessEditorInput;
  49 import org.argeo.slc.client.ui.model.ParentNodeFolder;
  50 import org.argeo.slc.client.ui.model.ResultFolder;
  51 import org.argeo.slc.client.ui.model.ResultItemsComparator;
  52 import org.argeo.slc.client.ui.model.ResultItemsComparer;
  53 import org.argeo.slc.client.ui.model.ResultParent;
  54 import org.argeo.slc.client.ui.model.ResultParentUtils;
  55 import org.argeo.slc.client.ui.model.SingleResultNode;
  56 import org.argeo.slc.client.ui.model.VirtualFolder;
  57 import org.argeo.slc.client.ui.providers.ResultTreeContentProvider;
  58 import org.argeo.slc.client.ui.providers.ResultTreeLabelProvider;
  59 import org.argeo.slc.jcr.SlcJcrResultUtils;
  60 import org.argeo.slc.jcr.SlcNames;
  61 import org.argeo.slc.jcr.SlcTypes;
  62 import org.eclipse.jface.action.IMenuListener;
  63 import org.eclipse.jface.action.IMenuManager;
  64 import org.eclipse.jface.action.MenuManager;
  65 import org.eclipse.jface.dialogs.MessageDialog;
  66 import org.eclipse.jface.viewers.ColumnLabelProvider;
  67 import org.eclipse.jface.viewers.DecoratingLabelProvider;
  68 import org.eclipse.jface.viewers.DoubleClickEvent;
  69 import org.eclipse.jface.viewers.IDoubleClickListener;
  70 import org.eclipse.jface.viewers.ILabelDecorator;
  71 import org.eclipse.jface.viewers.ISelectionChangedListener;
  72 import org.eclipse.jface.viewers.IStructuredContentProvider;
  73 import org.eclipse.jface.viewers.IStructuredSelection;
  74 import org.eclipse.jface.viewers.SelectionChangedEvent;
  75 import org.eclipse.jface.viewers.TableViewer;
  76 import org.eclipse.jface.viewers.TableViewerColumn;
  77 import org.eclipse.jface.viewers.TreePath;
  78 import org.eclipse.jface.viewers.TreeViewer;
  79 import org.eclipse.jface.viewers.Viewer;
  80 import org.eclipse.jface.viewers.ViewerDropAdapter;
  81 import org.eclipse.swt.SWT;
  82 import org.eclipse.swt.custom.SashForm;
  83 import org.eclipse.swt.dnd.DND;
  84 import org.eclipse.swt.dnd.DragSourceEvent;
  85 import org.eclipse.swt.dnd.DragSourceListener;
  86 import org.eclipse.swt.dnd.TextTransfer;
  87 import org.eclipse.swt.dnd.Transfer;
  88 import org.eclipse.swt.dnd.TransferData;
  89 import org.eclipse.swt.layout.FillLayout;
  90 import org.eclipse.swt.layout.GridData;
  91 import org.eclipse.swt.layout.GridLayout;
  92 import org.eclipse.swt.widgets.Composite;
  93 import org.eclipse.swt.widgets.Display;
  94 import org.eclipse.swt.widgets.Menu;
  95 import org.eclipse.ui.ISharedImages;
  96 import org.eclipse.ui.IWorkbenchPage;
  97 import org.eclipse.ui.IWorkbenchWindow;
  98 import org.eclipse.ui.PlatformUI;
  99 import org.eclipse.ui.part.ViewPart;
 100
 101 /** SLC generic JCR Result tree view. */
 102 public class JcrResultTreeView extends ViewPart {
 103         public final static String ID = ClientUiPlugin.ID + ".jcrResultTreeView";
 104
 105         private final static DateFormat dateFormat = new SimpleDateFormat(
 106                         SlcUiConstants.DEFAULT_DISPLAY_DATE_TIME_FORMAT);
 107
 108         private final static Log log = LogFactory.getLog(JcrResultTreeView.class);
 109
 110         /* DEPENDENCY INJECTION */
 111         private Session session;
 112
 113         // This page widgets
 114         private TreeViewer resultTreeViewer;
 115         private TableViewer propertiesViewer;
 116
 117         private EventListener myResultsObserver = null;
 118         private EventListener allResultsObserver = null;
 119
 120         // under My Results
 121         private final static String[] observedNodeTypesUnderMyResult = {
 122                         SlcTypes.SLC_TEST_RESULT, SlcTypes.SLC_RESULT_FOLDER,
 123                         SlcTypes.SLC_MY_RESULT_ROOT_FOLDER };
 124
 125         private final static String[] observedNodeTypesUnderAllResults = {
 126                         SlcTypes.SLC_TEST_RESULT, NodeType.NT_UNSTRUCTURED };
 127
 128         // FIXME cache to ease D&D
 129         // private boolean isActionUnderMyResult = false;
 130         // private ResultParent lastSelectedTargetElement;
 131         // private ResultParent lastSelectedSourceElement;
 132         // private ResultParent lastSelectedSourceElementParent;
 133         private boolean isResultFolder = false;
 134
 135         // FIXME we cache the fact that we are moving a node to avoid exception
 136         // triggered by the "Add Node" event while moving
 137         // boolean isMoveInProgress = false;
 138
 139         /**
 140          * To be overridden to adapt size of form and result frames.
 141          */
 142         protected int[] getWeights() {
 143                 return new int[] { 70, 30 };
 144         }
 145
 146         @Override
 147         public void createPartControl(Composite parent) {
 148                 parent.setLayout(new FillLayout());
 149                 // Main layout
 150                 SashForm sashForm = new SashForm(parent, SWT.VERTICAL);
 151                 sashForm.setSashWidth(4);
 152                 sashForm.setLayout(new FillLayout());
 153
 154                 // Create the tree on top of the view
 155                 Composite top = new Composite(sashForm, SWT.NONE);
 156                 GridLayout gl = new GridLayout(1, false);
 157                 top.setLayout(gl);
 158                 resultTreeViewer = createResultsTreeViewer(top);
 159
 160                 // Create the property viewer on the bottom
 161                 Composite bottom = new Composite(sashForm, SWT.NONE);
 162                 bottom.setLayout(new GridLayout(1, false));
 163                 propertiesViewer = createPropertiesViewer(bottom);
 164
 165                 sashForm.setWeights(getWeights());
 166
 167                 setOrderedInput(resultTreeViewer);
 168
 169                 // Initialize observer
 170                 try {
 171                         ObservationManager observationManager = session.getWorkspace()
 172                                         .getObservationManager();
 173                         myResultsObserver = new MyResultsObserver(resultTreeViewer
 174                                         .getTree().getDisplay());
 175                         allResultsObserver = new AllResultsObserver(resultTreeViewer
 176                                         .getTree().getDisplay());
 177
 178                         // observe tree changes under MyResults
 179                         observationManager.addEventListener(myResultsObserver,
 180                                         Event.NODE_ADDED | Event.NODE_REMOVED,
 181                                         SlcJcrResultUtils.getMyResultsBasePath(session), true,
 182                                         null, observedNodeTypesUnderMyResult, false);
 183                         // observe tree changes under All results
 184                         observationManager.addEventListener(allResultsObserver,
 185                                         Event.NODE_ADDED | Event.NODE_REMOVED,
 186                                         SlcJcrResultUtils.getSlcResultsBasePath(session), true,
 187                                         null, observedNodeTypesUnderAllResults, false);
 188                 } catch (RepositoryException e) {
 189                         throw new SlcException("Cannot register listeners", e);
 190                 }
 191         }
 192
 193         /**
 194          * Override default behaviour so that default defined order remains
 195          * unchanged on first level of the tree
 196          */
 197         private void setOrderedInput(TreeViewer viewer) {
 198                 // Add specific ordering
 199                 resultTreeViewer.setInput(null);
 200                 viewer.setComparator(null);
 201                 resultTreeViewer.setInput(initializeResultTree());
 202                 viewer.setComparator(new ResultItemsComparator());
 203         }
 204
 205         // The main tree viewer
 206         protected TreeViewer createResultsTreeViewer(Composite parent) {
 207                 int style = SWT.BORDER | SWT.MULTI;
 208
 209                 TreeViewer viewer = new TreeViewer(parent, style);
 210                 viewer.getTree().setLayoutData(
 211                                 new GridData(SWT.FILL, SWT.FILL, true, true));
 212
 213                 viewer.setContentProvider(new ResultTreeContentProvider());
 214
 215                 // Add label provider with label decorator
 216                 ResultTreeLabelProvider rtLblProvider = new ResultTreeLabelProvider();
 217                 ILabelDecorator decorator = ClientUiPlugin.getDefault().getWorkbench()
 218                                 .getDecoratorManager().getLabelDecorator();
 219                 viewer.setLabelProvider(new DecoratingLabelProvider(rtLblProvider,
 220                                 decorator));
 221                 viewer.addDoubleClickListener(new ViewDoubleClickListener());
 222
 223                 // Override default behaviour to insure that 2 distincts results that
 224                 // have the same name will be correctly and distincly returned by
 225                 // corresponding
 226                 // TreeViewer.getSelection() method.
 227                 viewer.setComparer(new ResultItemsComparer());
 228
 229                 // viewer.setLabelProvider(rtLblProvider);
 230                 getSite().setSelectionProvider(viewer);
 231
 232                 // add drag & drop support
 233                 int operations = DND.DROP_COPY | DND.DROP_MOVE;
 234                 Transfer[] tt = new Transfer[] { TextTransfer.getInstance() };
 235                 viewer.addDragSupport(operations, tt, new ViewDragListener());
 236                 viewer.addDropSupport(operations, tt, new ViewDropListener(viewer));
 237
 238                 // add context menu
 239                 MenuManager menuManager = new MenuManager();
 240                 Menu menu = menuManager.createContextMenu(viewer.getTree());
 241                 menuManager.addMenuListener(new IMenuListener() {
 242                         public void menuAboutToShow(IMenuManager manager) {
 243                                 contextMenuAboutToShow(manager);
 244                         }
 245                 });
 246                 viewer.getTree().setMenu(menu);
 247                 getSite().registerContextMenu(menuManager, viewer);
 248
 249                 // add change listener to display TestResult information in the property
 250                 // viewer
 251                 viewer.addSelectionChangedListener(new MySelectionChangedListener());
 252                 return viewer;
 253         }
 254
 255         // Detailed property viewer
 256         protected TableViewer createPropertiesViewer(Composite parent) {
 257                 propertiesViewer = new TableViewer(parent);
 258                 propertiesViewer.getTable().setLayoutData(
 259                                 new GridData(SWT.FILL, SWT.FILL, true, true));
 260                 propertiesViewer.getTable().setHeaderVisible(true);
 261                 propertiesViewer.setContentProvider(new PropertiesContentProvider());
 262                 TableViewerColumn col = new TableViewerColumn(propertiesViewer,
 263                                 SWT.NONE);
 264                 col.getColumn().setText("Name");
 265                 col.getColumn().setWidth(100);
 266                 col.setLabelProvider(new ColumnLabelProvider() {
 267                         public String getText(Object element) {
 268                                 try {
 269                                         String name = ((Property) element).getName();
 270                                         String value = null;
 271                                         if (SlcNames.SLC_TEST_CASE.equals(name))
 272                                                 value = "Test case";
 273                                         else if (SlcNames.SLC_COMPLETED.equals(name))
 274                                                 value = "Completed on";
 275                                         else if (SlcNames.SLC_SUCCESS.equals(name))
 276                                                 value = "Status";
 277                                         else if (SlcNames.SLC_MESSAGE.equals(name))
 278                                                 value = "Message";
 279                                         else if (SlcNames.SLC_ERROR_MESSAGE.equals(name))
 280                                                 value = "Error";
 281                                         return value;
 282                                 } catch (RepositoryException e) {
 283                                         throw new ArgeoException(
 284                                                         "Unexpected exception in label provider", e);
 285                                 }
 286                         }
 287                 });
 288                 col = new TableViewerColumn(propertiesViewer, SWT.NONE);
 289                 col.getColumn().setText("Value");
 290                 col.getColumn().setWidth(200);
 291                 col.setLabelProvider(new ColumnLabelProvider() {
 292                         public String getText(Object element) {
 293                                 try {
 294                                         Property property = (Property) element;
 295                                         String name = property.getName();
 296                                         String value = null;
 297
 298                                         if (SlcNames.SLC_TEST_CASE.equals(name)
 299                                                         || SlcNames.SLC_ERROR_MESSAGE.equals(name)
 300                                                         || SlcNames.SLC_MESSAGE.equals(name))
 301                                                 value = property.getValue().getString();
 302                                         else if (SlcNames.SLC_COMPLETED.equals(name)) {
 303                                                 Calendar date = property.getValue().getDate();
 304                                                 value = dateFormat.format(date.getTime());
 305                                         } else if (SlcNames.SLC_SUCCESS.equals(name)) {
 306                                                 if (property.getValue().getBoolean())
 307                                                         value = "SUCCESS";
 308                                                 else {
 309                                                         if (property.getParent().hasNode(
 310                                                                         SlcNames.SLC_ERROR_MESSAGE))
 311                                                                 value = "ERROR";
 312                                                         else
 313                                                                 value = "FAILED";
 314                                                 }
 315                                         }
 316                                         return value;
 317                                 } catch (RepositoryException e) {
 318                                         throw new ArgeoException(
 319                                                         "Unexpected exception in label provider", e);
 320                                 }
 321                         }
 322                 });
 323                 propertiesViewer.setInput(getViewSite());
 324                 return propertiesViewer;
 325         }
 326
 327         /**
 328          * Override to provide specific behaviour. Typically to enable the display
 329          * of a result file.
 330          *
 331          * @param evt
 332          */
 333         protected void processDoubleClick(DoubleClickEvent evt) {
 334                 Object obj = ((IStructuredSelection) evt.getSelection())
 335                                 .getFirstElement();
 336                 try {
 337                         if (obj instanceof SingleResultNode) {
 338                                 SingleResultNode srNode = (SingleResultNode) obj;
 339                                 Node node = srNode.getNode();
 340                                 // FIXME: open a default result editor
 341                                 if (node.isNodeType(SlcTypes.SLC_PROCESS)) {
 342                                         IWorkbenchPage activePage = PlatformUI.getWorkbench()
 343                                                         .getActiveWorkbenchWindow().getActivePage();
 344                                         activePage.openEditor(
 345                                                         new ProcessEditorInput(node.getPath()),
 346                                                         ProcessEditor.ID);
 347                                 }
 348                         }
 349                 } catch (Exception e) {
 350                         throw new SlcException("Cannot open " + obj, e);
 351                 }
 352         }
 353
 354         @Override
 355         public void setFocus() {
 356         }
 357
 358         /**
 359          * refreshes the passed resultParent and its corresponding subtree. It
 360          * refreshes the whole viewer if null is passed.
 361          *
 362          * @param ResultParent
 363          *
 364          */
 365         public void refresh(ResultParent resultParent) {
 366                 if (resultParent == null) {
 367                         if (!resultTreeViewer.getTree().isDisposed()) {
 368                                 TreePath[] tps = resultTreeViewer.getExpandedTreePaths();
 369                                 setOrderedInput(resultTreeViewer);
 370                                 resultTreeViewer.setExpandedTreePaths(tps);
 371                         } else
 372                                 setOrderedInput(resultTreeViewer);
 373                 } else {
 374                         if (resultParent instanceof ParentNodeFolder) {
 375                                 ParentNodeFolder currFolder = (ParentNodeFolder) resultParent;
 376                                 jcrRefresh(currFolder.getNode());
 377                                 currFolder.forceFullRefresh();
 378                         }
 379                         // FIXME: specific refresh does not work
 380                         // resultTreeViewer.refresh(resultParent, true);
 381                         refresh(null);
 382                 }
 383         }
 384
 385         /**
 386          * refreshes the passed node and its corresponding subtree.
 387          *
 388          * @param node
 389          *            cannot be null
 390          *
 391          */
 392         public boolean jcrRefresh(Node node) {
 393                 // if (log.isDebugEnabled())
 394                 // log.debug(" JCR refreshing " + node + "...");
 395                 // Thread.dumpStack();
 396                 boolean isPassed = true;
 397                 try {
 398                         if (node.isNodeType(SlcTypes.SLC_TEST_RESULT)) {
 399                                 isPassed = node.getNode(SlcNames.SLC_AGGREGATED_STATUS)
 400                                                 .getProperty(SlcNames.SLC_SUCCESS).getBoolean();
 401                         } else if (node.isNodeType(SlcTypes.SLC_RESULT_FOLDER)) {
 402                                 NodeIterator ni = node.getNodes();
 403                                 while (ni.hasNext()) {
 404                                         Node currChild = ni.nextNode();
 405                                         isPassed = isPassed & jcrRefresh(currChild);
 406                                 }
 407                                 if (isPassed != node.getNode(SlcNames.SLC_AGGREGATED_STATUS)
 408                                                 .getProperty(SlcNames.SLC_SUCCESS).getBoolean()) {
 409                                         node.getNode(SlcNames.SLC_AGGREGATED_STATUS).setProperty(
 410                                                         SlcNames.SLC_SUCCESS, isPassed);
 411                                         node.getSession().save();
 412                                         return isPassed;
 413                                 }
 414                         } else
 415                                 ; // do nothing
 416                 } catch (RepositoryException e) {
 417                         throw new SlcException("Cannot register listeners", e);
 418                 }
 419                 return isPassed;
 420         }
 421
 422         private ResultParent[] initializeResultTree() {
 423                 try {
 424                         // Force initialization of the tree structure if needed
 425                         SlcJcrResultUtils.getSlcResultsParentNode(session);
 426                         SlcJcrResultUtils.getMyResultParentNode(session);
 427                         // Remove yesterday and last 7 days virtual folders
 428                         // ResultParent[] roots = new ResultParent[5];
 429                         ResultParent[] roots = new ResultParent[3];
 430
 431                         // My results
 432                         roots[0] = new ParentNodeFolder(null,
 433                                         SlcJcrResultUtils.getMyResultParentNode(session),
 434                                         SlcUiConstants.DEFAULT_MY_RESULTS_FOLDER_LABEL);
 435
 436                         // today
 437                         Calendar cal = Calendar.getInstance();
 438                         String relPath = JcrUtils.dateAsPath(cal);
 439                         List<String> datePathes = new ArrayList<String>();
 440                         datePathes.add(relPath);
 441                         roots[1] = new VirtualFolder(null,
 442                                         ResultParentUtils.getResultsForDates(session, datePathes),
 443                                         "Today");
 444
 445                         // // Yesterday
 446                         // cal = Calendar.getInstance();
 447                         // cal.add(Calendar.DAY_OF_YEAR, -1);
 448                         // relPath = JcrUtils.dateAsPath(cal);
 449                         // datePathes = new ArrayList<String>();
 450                         // datePathes.add(relPath);
 451                         // roots[2] = new VirtualFolder(null,
 452                         // ResultParentUtils.getResultsForDates(session, datePathes),
 453                         // "Yesterday");
 454                         // // Last 7 days
 455                         //
 456                         // cal = Calendar.getInstance();
 457                         // datePathes = new ArrayList<String>();
 458                         //
 459                         // for (int i = 0; i < 7; i++) {
 460                         // cal.add(Calendar.DAY_OF_YEAR, -i);
 461                         // relPath = JcrUtils.dateAsPath(cal);
 462                         // datePathes.add(relPath);
 463                         // }
 464                         // roots[3] = new VirtualFolder(null,
 465                         // ResultParentUtils.getResultsForDates(session, datePathes),
 466                         // "Last 7 days");
 467
 468                         // All results
 469                         Node otherResultsPar = session.getNode(SlcJcrResultUtils
 470                                         .getSlcResultsBasePath(session));
 471                         // roots[4] = new ParentNodeFolder(null, otherResultsPar,
 472                         // "All results");
 473                         roots[2] = new ParentNodeFolder(null, otherResultsPar,
 474                                         "All results");
 475                         return roots;
 476                 } catch (RepositoryException re) {
 477                         throw new ArgeoException(
 478                                         "Unexpected error while initializing ResultTree.", re);
 479                 }
 480         }
 481
 482         // Manage context menu
 483         /**
 484          * Defines the commands that will pop up in the context menu.
 485          **/
 486         protected void contextMenuAboutToShow(IMenuManager menuManager) {
 487                 IWorkbenchWindow window = ClientUiPlugin.getDefault().getWorkbench()
 488                                 .getActiveWorkbenchWindow();
 489
 490                 IStructuredSelection selection = (IStructuredSelection) resultTreeViewer
 491                                 .getSelection();
 492                 boolean canAddSubfolder = false;
 493                 boolean canRenamefolder = false;
 494                 boolean isSingleResultNode = false;
 495                 // Building conditions
 496                 if (selection.size() == 1) {
 497                         Object obj = selection.getFirstElement();
 498                         try {
 499                                 if (obj instanceof SingleResultNode)
 500                                         isSingleResultNode = true;
 501                                 else if (obj instanceof ParentNodeFolder) {
 502                                         Node cNode = ((ParentNodeFolder) obj).getNode();
 503                                         if (cNode.isNodeType(SlcTypes.SLC_RESULT_FOLDER)) {
 504                                                 canAddSubfolder = true;
 505                                                 canRenamefolder = true;
 506                                         } else if (cNode
 507                                                         .isNodeType(SlcTypes.SLC_MY_RESULT_ROOT_FOLDER)) {
 508                                                 canAddSubfolder = true;
 509                                         }
 510                                 }
 511                         } catch (RepositoryException re) {
 512                                 throw new SlcException(
 513                                                 "unexpected error while building condition for context menu",
 514                                                 re);
 515                         }
 516                 }
 517                 // Effective Refresh
 518                 CommandUtils.refreshCommand(menuManager, window, AddResultFolder.ID,
 519                                 AddResultFolder.DEFAULT_LABEL,
 520                                 ClientUiPlugin.getDefault().getWorkbench().getSharedImages()
 521                                                 .getImageDescriptor(ISharedImages.IMG_OBJ_ADD),
 522                                 canAddSubfolder);
 523
 524                 CommandUtils.refreshCommand(menuManager, window, RenameResultFolder.ID,
 525                                 RenameResultFolder.DEFAULT_LABEL,
 526                                 RenameResultFolder.DEFAULT_IMG_DESCRIPTOR, canRenamefolder);
 527
 528                 CommandUtils.refreshCommand(menuManager, window, RenameResultNode.ID,
 529                                 RenameResultNode.DEFAULT_LABEL,
 530                                 RenameResultNode.DEFAULT_IMG_DESCRIPTOR, isSingleResultNode);
 531         }
 532
 533         /* INNER CLASSES */
 534         class ViewDragListener implements DragSourceListener {
 535
 536                 public void dragStart(DragSourceEvent event) {
 537                         // Check if the drag action should start.
 538                         IStructuredSelection selection = (IStructuredSelection) resultTreeViewer
 539                                         .getSelection();
 540                         boolean doIt = false;
 541
 542                         // FIXME clean this code.
 543                         try {
 544                                 if (selection.size() == 1) {
 545                                         Object obj = selection.getFirstElement();
 546                                         if (obj instanceof ResultFolder) {
 547                                                 Node tNode = ((ResultFolder) obj).getNode();
 548                                                 if (tNode.getPrimaryNodeType().isNodeType(
 549                                                                 SlcTypes.SLC_RESULT_FOLDER)) {
 550                                                         doIt = true;
 551                                                         isResultFolder = true;
 552                                                 }
 553                                         } else
 554                                                 isResultFolder = false;
 555                                 } else
 556                                         isResultFolder = false;
 557
 558                                 if (!isResultFolder) {
 559                                         @SuppressWarnings("rawtypes")
 560                                         Iterator it = selection.iterator();
 561                                         while (it.hasNext()) {
 562                                                 Object obj = it.next();
 563                                                 if (obj instanceof SingleResultNode) {
 564                                                         Node tNode = ((SingleResultNode) obj).getNode();
 565                                                         if (tNode.getPrimaryNodeType().isNodeType(
 566                                                                         SlcTypes.SLC_TEST_RESULT)) {
 567                                                                 doIt = true;
 568                                                         }
 569                                                 }
 570                                         }
 571                                 }
 572
 573                         } catch (RepositoryException re) {
 574                                 throw new SlcException(
 575                                                 "unexpected error while validating drag source", re);
 576                         }
 577                         event.doit = doIt;
 578                 }
 579
 580                 public void dragSetData(DragSourceEvent event) {
 581                         IStructuredSelection selection = (IStructuredSelection) resultTreeViewer
 582                                         .getSelection();
 583
 584                         try {
 585                                 // specific case of a result folder
 586                                 if (isResultFolder) {
 587                                         Object obj = selection.getFirstElement();
 588                                         event.data = ((ResultFolder) obj).getNode().getIdentifier();
 589                                 } else {
 590                                         @SuppressWarnings("rawtypes")
 591                                         Iterator it = selection.iterator();
 592                                         StringBuffer nodes = new StringBuffer();
 593                                         while (it.hasNext()) {
 594                                                 Object obj = it.next();
 595                                                 if (obj instanceof SingleResultNode) {
 596                                                         Node tNode = ((SingleResultNode) obj).getNode();
 597                                                         if (tNode.getPrimaryNodeType().isNodeType(
 598                                                                         SlcTypes.SLC_TEST_RESULT)) {
 599                                                                 nodes.append(tNode.getIdentifier() + ";");
 600                                                         }
 601                                                 }
 602                                         }
 603                                         event.data = nodes.toString();
 604                                 }
 605                         } catch (RepositoryException re) {
 606                                 throw new SlcException("unexpected error while setting data",
 607                                                 re);
 608                         }
 609                 }
 610
 611                 public void dragFinished(DragSourceEvent event) {
 612                         // refresh is done via observer
 613                 }
 614         }
 615
 616         // Implementation of the Drop Listener
 617         protected class ViewDropListener extends ViewerDropAdapter {
 618                 private Node targetParentNode = null;
 619
 620                 public ViewDropListener(Viewer viewer) {
 621                         super(viewer);
 622                 }
 623
 624                 @Override
 625                 public boolean validateDrop(Object target, int operation,
 626                                 TransferData transferType) {
 627                         boolean validDrop = false;
 628                         try {
 629                                 // We can only drop under myResults
 630                                 Node tpNode = null;
 631                                 if (target instanceof SingleResultNode) {
 632                                         Node currNode = ((SingleResultNode) target).getNode();
 633                                         String pPath = currNode.getParent().getPath();
 634                                         if (pPath.startsWith(SlcJcrResultUtils
 635                                                         .getMyResultsBasePath(session)))
 636                                                 tpNode = currNode.getParent();
 637                                 } else if (target instanceof ResultFolder) {
 638                                         tpNode = ((ResultFolder) target).getNode();
 639                                 } else if (target instanceof ParentNodeFolder) {
 640                                         Node node = ((ParentNodeFolder) target).getNode();
 641                                         if (node.isNodeType(SlcTypes.SLC_MY_RESULT_ROOT_FOLDER))
 642                                                 tpNode = ((ParentNodeFolder) target).getNode();
 643                                 }
 644
 645                                 if (tpNode != null) {
 646                                         targetParentNode = tpNode;
 647                                         validDrop = true;
 648                                 }
 649                         } catch (RepositoryException re) {
 650                                 throw new SlcException(
 651                                                 "unexpected error while validating drop target", re);
 652                         }
 653                         return validDrop;
 654                 }
 655
 656                 @Override
 657                 public boolean performDrop(Object data) {
 658                         // clear selection to prevent unwanted scrolling of the UI
 659                         resultTreeViewer.setSelection(null);
 660                         try {
 661                                 if (isResultFolder) {
 662                                         // Sanity check : we cannot move a folder to one of its sub
 663                                         // folder or neither move an object in the same parent
 664                                         // folder
 665                                         Node source = session.getNodeByIdentifier((String) data);
 666                                         if (targetParentNode.getPath().startsWith(source.getPath())
 667                                                         || source.getParent().getPath()
 668                                                                         .equals(targetParentNode.getPath()))
 669                                                 return false;
 670
 671                                         // Move
 672                                         String sourcePath = source.getPath();
 673                                         String destPath = targetParentNode.getPath() + "/"
 674                                                         + source.getName();
 675                                         session.move(sourcePath, destPath);
 676                                         // Update passed status of the parent source Node
 677                                         ResultParentUtils.updatePassedStatus(
 678                                                         session.getNode(JcrUtils.parentPath(sourcePath)),
 679                                                         true);
 680                                         Node target = session.getNode(destPath);
 681                                         session.save();
 682                                         return true;
 683                                 }
 684
 685                                 String[] datas = ((String) data).split(";");
 686                                 nodesToCopy: for (String id : datas) {
 687
 688                                         Node source = session.getNodeByIdentifier(id);
 689                                         String name;
 690                                         if (source.hasProperty(Property.JCR_TITLE))
 691                                                 name = source.getProperty(Property.JCR_TITLE)
 692                                                                 .getString();
 693                                         else if (source.hasProperty(SlcNames.SLC_TEST_CASE))
 694                                                 name = source.getProperty(SlcNames.SLC_TEST_CASE)
 695                                                                 .getString();
 696                                         else
 697                                                 name = source.getName();
 698
 699                                         // Check if another copy of the same test instance already
 700                                         // exists at target
 701                                         NodeIterator ni = targetParentNode.getNodes();
 702                                         String slcUid = source.getProperty(SlcNames.SLC_UUID)
 703                                                         .getString();
 704                                         while (ni.hasNext()) {
 705                                                 Node curr = ni.nextNode();
 706                                                 if (curr.hasProperty(SlcNames.SLC_UUID)
 707                                                                 && slcUid.equals(curr.getProperty(
 708                                                                                 SlcNames.SLC_UUID).getString())) {
 709                                                         MessageDialog
 710                                                                         .openWarning(
 711                                                                                         PlatformUI.getWorkbench()
 712                                                                                                         .getDisplay()
 713                                                                                                         .getActiveShell(),
 714                                                                                         "Duplicated instance.",
 715                                                                                         "An instance of the same test case ("
 716                                                                                                         + name
 717                                                                                                         + ") exists at destination.\n "
 718                                                                                                         + "This item will not be neither copied nor moved.");
 719                                                         continue nodesToCopy;
 720
 721                                                 }
 722                                         }
 723
 724                                         Node target;
 725                                         boolean passedStatus = source
 726                                                         .getNode(SlcNames.SLC_AGGREGATED_STATUS)
 727                                                         .getProperty(SlcNames.SLC_SUCCESS).getBoolean();
 728
 729                                         boolean isActionUnderMyResult = source.getPath()
 730                                                         .startsWith(
 731                                                                         SlcJcrResultUtils
 732                                                                                         .getMyResultsBasePath(session));
 733
 734                                         if (!isActionUnderMyResult) {// Copy
 735                                                 target = targetParentNode.addNode(source.getName(),
 736                                                                 source.getPrimaryNodeType().getName());
 737                                                 JcrUtils.copy(source, target);
 738                                         } else {// move
 739                                                 String sourcePath = source.getPath();
 740                                                 String destPath = targetParentNode.getPath() + "/"
 741                                                                 + name;
 742                                                 session.move(sourcePath, destPath);
 743                                                 // session.save();
 744                                                 // Update passed status of the parent source Node
 745                                                 ResultParentUtils
 746                                                                 .updatePassedStatus(session.getNode(JcrUtils
 747                                                                                 .parentPath(sourcePath)), true);
 748                                                 target = session.getNode(destPath);
 749
 750                                         }
 751                                         if (!target.isNodeType(NodeType.MIX_TITLE))
 752                                                 target.addMixin(NodeType.MIX_TITLE);
 753                                         target.setProperty(Property.JCR_TITLE, name);
 754                                         ResultParentUtils.updatePassedStatus(target.getParent(),
 755                                                         passedStatus);
 756                                         session.save();
 757
 758                                         // try {
 759                                         // Node source = session.getNodeByIdentifier(id);
 760                                         // String name;
 761                                         // if (source.hasProperty(Property.JCR_TITLE))
 762                                         // name = source.getProperty(Property.JCR_TITLE)
 763                                         // .getString();
 764                                         // else if (source.hasProperty(SlcNames.SLC_TEST_CASE))
 765                                         // name = source.getProperty(SlcNames.SLC_TEST_CASE)
 766                                         // .getString();
 767                                         // else
 768                                         // name = source.getName();
 769                                         //
 770                                         // // Check if a user defined folder result with same name
 771                                         // // exists
 772                                         // // at target
 773                                         // if (targetParentNode.hasNode(name)
 774                                         // && targetParentNode.getNode(name).isNodeType(
 775                                         // SlcTypes.SLC_RESULT_FOLDER)) {
 776                                         // ConfirmOverwriteWizard wizard = new
 777                                         // ConfirmOverwriteWizard(
 778                                         // name, targetParentNode);
 779                                         // WizardDialog dialog = new WizardDialog(Display
 780                                         // .getDefault().getActiveShell(), wizard);
 781                                         //
 782                                         // if (dialog.open() == WizardDialog.CANCEL)
 783                                         // return true;
 784                                         //
 785                                         // if (wizard.overwrite()) {
 786                                         // targetParentNode.getNode(name).remove();
 787                                         // // session.save();
 788                                         // } else
 789                                         // name = wizard.newName();
 790                                         // }
 791                                         //
 792                                         // Node target;
 793                                         // boolean passedStatus = source
 794                                         // .getNode(SlcNames.SLC_AGGREGATED_STATUS)
 795                                         // .getProperty(SlcNames.SLC_SUCCESS).getBoolean();
 796                                         //
 797                                         // if (!isActionUnderMyResult) {// Copy
 798                                         // target = targetParentNode.addNode(source.getName(),
 799                                         // source.getPrimaryNodeType().getName());
 800                                         // JcrUtils.copy(source, target);
 801                                         // } else {// move
 802                                         // String sourcePath = source.getPath();
 803                                         // String destPath = targetParentNode.getPath() + "/"
 804                                         // + name;
 805                                         // session.move(sourcePath, destPath);
 806                                         // // session.save();
 807                                         // // Update passed status of the parent source Node
 808                                         // ResultParentUtils
 809                                         // .updatePassedStatus(session.getNode(JcrUtils
 810                                         // .parentPath(sourcePath)), true);
 811                                         // target = session.getNode(destPath);
 812                                         //
 813                                         // }
 814                                         // if (!target.isNodeType(NodeType.MIX_TITLE))
 815                                         // target.addMixin(NodeType.MIX_TITLE);
 816                                         // target.setProperty(Property.JCR_TITLE, name);
 817                                         // ResultParentUtils.updatePassedStatus(target.getParent(),
 818                                         // passedStatus);
 819                                         // session.save();
 820
 821                                 }
 822                         } catch (RepositoryException re) {
 823                                 throw new SlcException(
 824                                                 "unexpected error while copying dropped node", re);
 825
 826                         }
 827                         return true;
 828                 }
 829         }
 830
 831         class MyResultsObserver extends AsyncUiEventListener {
 832
 833                 public MyResultsObserver(Display display) {
 834                         super(display);
 835                 }
 836
 837                 @Override
 838                 protected Boolean willProcessInUiThread(List<Event> events)
 839                                 throws RepositoryException {
 840                         // unfiltered for the time being
 841                         return true;
 842                 }
 843
 844                 protected void onEventInUiThread(List<Event> events)
 845                                 throws RepositoryException {
 846                         List<Node> nodesToRefresh = new ArrayList<Node>();
 847
 848                         for (Event event : events) {
 849                                 String parPath = JcrUtils.parentPath(event.getPath());
 850                                 if (session.nodeExists(parPath)) {
 851                                         Node node = session.getNode(parPath);
 852                                         if (!nodesToRefresh.contains(node)) {
 853                                                 nodesToRefresh.add(node);
 854                                         }
 855                                 }
 856                         }
 857
 858                         // Update check nodes
 859                         for (Node node : nodesToRefresh)
 860                                 jcrRefresh(node);
 861                         refresh(null);
 862                 }
 863         }
 864
 865         class AllResultsObserver extends AsyncUiEventListener {
 866
 867                 public AllResultsObserver(Display display) {
 868                         super(display);
 869                 }
 870
 871                 @Override
 872                 protected Boolean willProcessInUiThread(List<Event> events)
 873                                 throws RepositoryException {
 874                         // unfiltered for the time being
 875                         return true;
 876                 }
 877
 878                 protected void onEventInUiThread(List<Event> events)
 879                                 throws RepositoryException {
 880                         refresh(null);
 881                         // if (lastSelectedSourceElementParent != null)
 882                         // refresh(lastSelectedSourceElementParent);
 883                 }
 884         }
 885
 886         class PropertiesContentProvider implements IStructuredContentProvider {
 887
 888                 public void dispose() {
 889                 }
 890
 891                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 892                 }
 893
 894                 public Object[] getElements(Object inputElement) {
 895                         try {
 896                                 if (inputElement instanceof Node) {
 897                                         Node node = (Node) inputElement;
 898                                         if (node.isNodeType(SlcTypes.SLC_TEST_RESULT)) {
 899                                                 List<Property> props = new ArrayList<Property>();
 900                                                 if (node.hasProperty(SlcNames.SLC_TEST_CASE))
 901                                                         props.add(node.getProperty(SlcNames.SLC_TEST_CASE));
 902                                                 if (node.hasProperty(SlcNames.SLC_COMPLETED))
 903                                                         props.add(node.getProperty(SlcNames.SLC_COMPLETED));
 904                                                 if (node.hasNode(SlcNames.SLC_AGGREGATED_STATUS)) {
 905                                                         Node status = node
 906                                                                         .getNode(SlcNames.SLC_AGGREGATED_STATUS);
 907                                                         props.add(status.getProperty(SlcNames.SLC_SUCCESS));
 908                                                         if (status.hasProperty(SlcNames.SLC_MESSAGE))
 909                                                                 props.add(status
 910                                                                                 .getProperty(SlcNames.SLC_MESSAGE));
 911                                                         if (status.hasProperty(SlcNames.SLC_ERROR_MESSAGE))
 912                                                                 props.add(status
 913                                                                                 .getProperty(SlcNames.SLC_ERROR_MESSAGE));
 914                                                 }
 915                                                 return props.toArray();
 916                                         }
 917                                 }
 918                                 return new Object[] {};
 919
 920                         } catch (RepositoryException e) {
 921                                 throw new ArgeoException("Cannot get element for "
 922                                                 + inputElement, e);
 923                         }
 924                 }
 925         }
 926
 927         class MySelectionChangedListener implements ISelectionChangedListener {
 928
 929                 public void selectionChanged(SelectionChangedEvent event) {
 930                         if (!event.getSelection().isEmpty()) {
 931                                 IStructuredSelection sel = (IStructuredSelection) event
 932                                                 .getSelection();
 933                                 ResultParent firstItem = (ResultParent) sel.getFirstElement();
 934                                 if (firstItem instanceof SingleResultNode)
 935                                         propertiesViewer.setInput(((SingleResultNode) firstItem)
 936                                                         .getNode());
 937                                 else
 938                                         propertiesViewer.setInput(null);
 939                                 // update cache for Drag & drop
 940                                 // lastSelectedTargetElement = firstItem;
 941                                 // lastSelectedSourceElement = firstItem;
 942                                 // lastSelectedSourceElementParent = (ResultParent) firstItem
 943                                 // .getParent();
 944                                 // String pPath = "";
 945                                 // try {
 946                                 //
 947                                 // if (firstItem instanceof ParentNodeFolder)
 948                                 // pPath = ((ParentNodeFolder) firstItem).getNode()
 949                                 // .getPath();
 950                                 // else if (firstItem instanceof SingleResultNode)
 951                                 // pPath = ((SingleResultNode) firstItem).getNode()
 952                                 // .getPath();
 953                                 // } catch (RepositoryException e) {
 954                                 // throw new SlcException(
 955                                 // "Unexpected error while checking parent UI tree", e);
 956                                 // }
 957                                 // if ((pPath.startsWith(SlcJcrResultUtils
 958                                 // .getMyResultsBasePath(session))))
 959                                 // isActionUnderMyResult = true;
 960                                 // else
 961                                 // isActionUnderMyResult = false;
 962                         }
 963                 }
 964         }
 965
 966         class ViewDoubleClickListener implements IDoubleClickListener {
 967                 public void doubleClick(DoubleClickEvent evt) {
 968                         processDoubleClick(evt);
 969                 }
 970
 971         }
 972
 973         /* DEPENDENCY INJECTION */
 974         public void setSession(Session session) {
 975                 this.session = session;
 976         }
 977 }