service/simulator/java/eclipse-plugin/ClientControllerPlugin/src/oic/simulator/clientcontroller/view/ResourceManagerView.java

   1 /*
   2  * Copyright 2015 Samsung Electronics All Rights Reserved.
   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
  17 package oic.simulator.clientcontroller.view;
  18
  19 import java.util.List;
  20 import java.util.Set;
  21
  22 import oic.simulator.clientcontroller.Activator;
  23 import oic.simulator.clientcontroller.listener.IFindResourceUIListener;
  24 import oic.simulator.clientcontroller.manager.ResourceManager;
  25 import oic.simulator.clientcontroller.remoteresource.RemoteResource;
  26 import oic.simulator.clientcontroller.utils.Constants;
  27 import oic.simulator.clientcontroller.view.dialogs.FindResourceWizard;
  28 import oic.simulator.clientcontroller.view.dialogs.LoadRAMLDialog;
  29 import oic.simulator.clientcontroller.view.dialogs.ResourceWizardDialog;
  30
  31 import org.eclipse.jface.dialogs.MessageDialog;
  32 import org.eclipse.jface.viewers.ISelectionChangedListener;
  33 import org.eclipse.jface.viewers.IStructuredSelection;
  34 import org.eclipse.jface.viewers.ITreeContentProvider;
  35 import org.eclipse.jface.viewers.LabelProvider;
  36 import org.eclipse.jface.viewers.SelectionChangedEvent;
  37 import org.eclipse.jface.viewers.TreeViewer;
  38 import org.eclipse.jface.viewers.Viewer;
  39 import org.eclipse.jface.window.Window;
  40 import org.eclipse.jface.wizard.WizardDialog;
  41 import org.eclipse.swt.SWT;
  42 import org.eclipse.swt.custom.CTabFolder;
  43 import org.eclipse.swt.custom.CTabItem;
  44 import org.eclipse.swt.events.MenuAdapter;
  45 import org.eclipse.swt.events.MenuEvent;
  46 import org.eclipse.swt.events.SelectionAdapter;
  47 import org.eclipse.swt.events.SelectionEvent;
  48 import org.eclipse.swt.graphics.Color;
  49 import org.eclipse.swt.graphics.Image;
  50 import org.eclipse.swt.layout.GridData;
  51 import org.eclipse.swt.layout.GridLayout;
  52 import org.eclipse.swt.widgets.Button;
  53 import org.eclipse.swt.widgets.Composite;
  54 import org.eclipse.swt.widgets.Display;
  55 import org.eclipse.swt.widgets.Group;
  56 import org.eclipse.swt.widgets.Menu;
  57 import org.eclipse.swt.widgets.MenuItem;
  58 import org.eclipse.swt.widgets.Tree;
  59 import org.eclipse.ui.PlatformUI;
  60 import org.eclipse.ui.dialogs.FilteredTree;
  61 import org.eclipse.ui.dialogs.PatternFilter;
  62 import org.eclipse.ui.part.ViewPart;
  63
  64 /**
  65  * This class manages and shows the resource manager view in the perspective.
  66  */
  67 public class ResourceManagerView extends ViewPart {
  68
  69     public static final String      VIEW_ID = "oic.simulator.clientcontroller.view.resourcemanager";
  70
  71     private Button                  findResButton;
  72     private Button                  refreshButton;
  73
  74     private TreeViewer              treeViewer;
  75     private TreeViewer              favTreeViewer;
  76
  77     private CTabFolder              folder;
  78     private CTabItem                foundResTab;
  79     private CTabItem                favResTab;
  80
  81     private ResourceManager         resourceManager;
  82
  83     private IFindResourceUIListener findListener;
  84
  85     private Boolean                 foundResource;
  86
  87     private MessageDialog           findDialog;
  88
  89     private MessageDialog           refreshDialog;
  90
  91     private Thread                  sleepThreadHandle;
  92
  93     public ResourceManagerView() {
  94         resourceManager = Activator.getDefault().getResourceManager();
  95
  96         findListener = new IFindResourceUIListener() {
  97
  98             @Override
  99             public void onNewResourceFound(final RemoteResource resource) {
 100                 if (null == resource) {
 101                     return;
 102                 }
 103                 // Changing the status of the find operation.
 104                 setFoundResource(true);
 105
 106                 // Interrupt the sleep thread.
 107                 if (null != sleepThreadHandle && sleepThreadHandle.isAlive()) {
 108                     sleepThreadHandle.interrupt();
 109                 }
 110
 111                 // Update the tree viewer
 112                 Display.getDefault().asyncExec(new Runnable() {
 113                     @Override
 114                     public void run() {
 115                         if (!treeViewer.getControl().isDisposed()) {
 116                             treeViewer.refresh();
 117                         }
 118
 119                         if (!favTreeViewer.getControl().isDisposed()) {
 120                             favTreeViewer.refresh();
 121                         }
 122
 123                         // Close the find dialog
 124                         if (null != findDialog) {
 125                             findDialog.close();
 126                         }
 127
 128                         // Close the refresh dialog
 129                         if (null != refreshDialog) {
 130                             refreshDialog.close();
 131                         }
 132                     }
 133                 });
 134             }
 135         };
 136     }
 137
 138     @Override
 139     public void createPartControl(Composite parent) {
 140         Composite compContent = new Composite(parent, SWT.NONE);
 141         compContent.setLayout(new GridLayout());
 142         GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 143         compContent.setLayoutData(gd);
 144
 145         Composite buttonComp = new Composite(compContent, SWT.NONE);
 146         buttonComp.setLayout(new GridLayout(2, false));
 147
 148         gd = new GridData();
 149         gd.horizontalAlignment = SWT.FILL;
 150         gd.grabExcessHorizontalSpace = true;
 151
 152         buttonComp.setLayoutData(gd);
 153
 154         findResButton = new Button(buttonComp, SWT.PUSH);
 155         findResButton.setText("Find Resources");
 156         findResButton.setToolTipText("Find OIC resources");
 157
 158         gd = new GridData();
 159         gd.widthHint = 130;
 160         findResButton.setLayoutData(gd);
 161
 162         refreshButton = new Button(buttonComp, SWT.PUSH);
 163         refreshButton.setText("Refresh");
 164         refreshButton.setToolTipText("Restart the search once again");
 165
 166         gd = new GridData();
 167         gd.widthHint = 90;
 168         refreshButton.setLayoutData(gd);
 169
 170         // Create a Tab Folder.
 171         folder = new CTabFolder(compContent, SWT.BORDER);
 172         gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 173         folder.setLayoutData(gd);
 174         folder.setSimple(false);
 175         folder.setUnselectedCloseVisible(false);
 176         folder.setUnselectedImageVisible(false);
 177         folder.addSelectionListener(new SelectionAdapter() {
 178             @Override
 179             public void widgetSelected(SelectionEvent e) {
 180                 // Tab is switched.
 181                 treeViewer.setSelection(null);
 182                 favTreeViewer.setSelection(null);
 183                 resourceManager.resourceSelectionChanged(null);
 184             }
 185         });
 186
 187         createFoundResourcesArea();
 188
 189         createFavoriteResourcesArea();
 190
 191         folder.setSelection(foundResTab);
 192
 193         findDialog = new MessageDialog(Display.getDefault().getActiveShell(),
 194                 "Finding Servers", null,
 195                 "Finding the requested servers\nPlease wait...",
 196                 MessageDialog.INFORMATION, new String[] { "Cancel" }, 0);
 197         // findDialog.setBlockOnOpen(false);
 198
 199         refreshDialog = new MessageDialog(
 200                 Display.getDefault().getActiveShell(),
 201                 "Finding Servers",
 202                 null,
 203                 "Refreshing the search and finding the requested servers once again\nPlease wait...",
 204                 MessageDialog.INFORMATION, new String[] { "Cancel" }, 0);
 205         // refreshDialog.setBlockOnOpen(false);
 206
 207         addUIListeners();
 208
 209         addManagerListeners();
 210
 211         // Setting the initial visibility of refresh based on the last known
 212         // search operation.
 213         Set<String> prevSearchTypes = resourceManager.getLastKnownSearchTypes();
 214         if (null == prevSearchTypes || prevSearchTypes.size() < 1) {
 215             refreshButton.setEnabled(false);
 216         } else {
 217             refreshButton.setEnabled(true);
 218         }
 219     }
 220
 221     private void createFoundResourcesArea() {
 222         foundResTab = new CTabItem(folder, SWT.NULL);
 223         foundResTab.setText("Found Resources");
 224
 225         // Create a group to show all the discovered resources.
 226         // Adding the group to the folder.
 227         Group resourceGroup = new Group(folder, SWT.NONE);
 228         // resourceGroup.setText("Discovered Resources");
 229
 230         Color color = Display.getDefault().getSystemColor(SWT.COLOR_WHITE);
 231         resourceGroup.setBackground(color);
 232
 233         resourceGroup.setLayout(new GridLayout(1, false));
 234         GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 235         resourceGroup.setLayoutData(gd);
 236
 237         PatternFilter filter = new PatternFilter();
 238         FilteredTree filteredTree = new FilteredTree(resourceGroup,
 239                 SWT.H_SCROLL | SWT.V_SCROLL | SWT.SINGLE, filter, true);
 240         treeViewer = filteredTree.getViewer();
 241         treeViewer.getTree().setLayoutData(
 242                 new GridData(SWT.FILL, SWT.FILL, true, true));
 243         treeViewer.setContentProvider(new TreeContentProvider());
 244         treeViewer.setLabelProvider(new TreeLabelProvider());
 245         treeViewer.setInput(new Object());
 246
 247         addMenuToFoundResources();
 248
 249         foundResTab.setControl(resourceGroup);
 250     }
 251
 252     private void addMenuToFoundResources() {
 253
 254         if (null != treeViewer) {
 255             final Tree resourceTreeHead = treeViewer.getTree();
 256             if (null != resourceTreeHead) {
 257                 // Below code creates menu entries and shows them on right
 258                 // clicking a resource
 259                 final Menu menu = new Menu(resourceTreeHead);
 260                 resourceTreeHead.setMenu(menu);
 261                 menu.addMenuListener(new MenuAdapter() {
 262                     @Override
 263                     public void menuShown(MenuEvent e) {
 264                         // Clear existing menu items
 265                         MenuItem[] items = menu.getItems();
 266                         for (int index = 0; index < items.length; index++) {
 267                             items[index].dispose();
 268                         }
 269                         MenuItem uploadRAMLItem = new MenuItem(menu, SWT.NONE);
 270                         uploadRAMLItem.setText("Upload RAML Configuration");
 271                         uploadRAMLItem
 272                                 .addSelectionListener(new SelectionAdapter() {
 273                                     @Override
 274                                     public void widgetSelected(SelectionEvent e) {
 275                                         // Open the RAML configuration dialog if
 276                                         // RAML file is not yet uploaded for the
 277                                         // currently selected resource
 278                                         RemoteResource resource = resourceManager
 279                                                 .getCurrentResourceInSelection();
 280                                         if (null == resource) {
 281                                             return;
 282                                         }
 283                                         if (!resource.isConfigUploaded()) {
 284                                             // Open the dialog in a separate
 285                                             // UI thread.
 286                                             PlatformUI.getWorkbench()
 287                                                     .getDisplay()
 288                                                     .syncExec(new Thread() {
 289                                                         @Override
 290                                                         public void run() {
 291                                                             LoadRAMLDialog ramlDialog = new LoadRAMLDialog(
 292                                                                     Display.getDefault()
 293                                                                             .getActiveShell());
 294                                                             if (ramlDialog
 295                                                                     .open() != Window.OK) {
 296                                                                 return;
 297                                                             }
 298                                                             String configFilePath = ramlDialog
 299                                                                     .getConfigFilePath();
 300                                                             if (null == configFilePath
 301                                                                     || configFilePath
 302                                                                             .length() < 1) {
 303                                                                 MessageDialog
 304                                                                         .openInformation(
 305                                                                                 Display.getDefault()
 306                                                                                         .getActiveShell(),
 307                                                                                 "Invalid RAML Config path",
 308                                                                                 "Configuration file path is invalid.");
 309                                                                 return;
 310                                                             }
 311                                                             resourceManager
 312                                                                     .setConfigFilePath(
 313                                                                             resourceManager
 314                                                                                     .getCurrentResourceInSelection(),
 315                                                                             configFilePath);
 316                                                         }
 317                                                     });
 318                                         } else {
 319                                             MessageDialog
 320                                                     .openInformation(Display
 321                                                             .getDefault()
 322                                                             .getActiveShell(),
 323                                                             "Already Uploaded",
 324                                                             "Configuration file for the selected resource is already uploaded");
 325                                         }
 326                                     }
 327                                 });
 328
 329                         RemoteResource resource = resourceManager
 330                                 .getCurrentResourceInSelection();
 331                         if (null == resource) {
 332                             return;
 333                         }
 334                         String menuText = !resource.isFavorite() ? "Add to favorites"
 335                                 : "Remove from favorites";
 336                         MenuItem addToFavMenuItem = new MenuItem(menu, SWT.NONE);
 337                         addToFavMenuItem.setText(menuText);
 338                         addToFavMenuItem
 339                                 .addSelectionListener(new SelectionAdapter() {
 340                                     @Override
 341                                     public void widgetSelected(SelectionEvent e) {
 342                                         RemoteResource resource = (RemoteResource) ((IStructuredSelection) treeViewer
 343                                                 .getSelection())
 344                                                 .getFirstElement();
 345                                         if (null == resource) {
 346                                             return;
 347                                         }
 348                                         if (!resource.isFavorite()) {
 349                                             resourceManager
 350                                                     .addResourcetoFavorites(resource);
 351                                             resourceManager
 352                                                     .addResourceURItoFavorites(resource);
 353                                         } else {
 354                                             resourceManager
 355                                                     .removeResourceFromFavorites(resource);
 356                                             resourceManager
 357                                                     .removeResourceURIFromFavorites(resource);
 358                                         }
 359                                         favTreeViewer.refresh();
 360                                     }
 361                                 });
 362                     }
 363                 });
 364             }
 365         }
 366     }
 367
 368     private void createFavoriteResourcesArea() {
 369         favResTab = new CTabItem(folder, SWT.NULL);
 370         favResTab.setText("Favorite Resources");
 371
 372         // Create a group to show all the discovered resources.
 373         // Adding the group to the folder.
 374         Group resourceGroup = new Group(folder, SWT.NONE);
 375         // resourceGroup.setText("Discovered Resources");
 376
 377         Color color = Display.getDefault().getSystemColor(SWT.COLOR_WHITE);
 378         resourceGroup.setBackground(color);
 379
 380         resourceGroup.setLayout(new GridLayout(1, false));
 381         GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 382         resourceGroup.setLayoutData(gd);
 383
 384         PatternFilter filter = new PatternFilter();
 385         FilteredTree filteredTree = new FilteredTree(resourceGroup,
 386                 SWT.H_SCROLL | SWT.V_SCROLL | SWT.SINGLE, filter, true);
 387         favTreeViewer = filteredTree.getViewer();
 388         favTreeViewer.getTree().setLayoutData(
 389                 new GridData(SWT.FILL, SWT.FILL, true, true));
 390         favTreeViewer.setContentProvider(new FavTreeContentProvider());
 391         favTreeViewer.setLabelProvider(new TreeLabelProvider());
 392         favTreeViewer.setInput(new Object());
 393
 394         favResTab.setControl(resourceGroup);
 395
 396         addMenuToFavResources();
 397     }
 398
 399     private void addMenuToFavResources() {
 400         if (null != favTreeViewer) {
 401             final Tree resourceTreeHead = favTreeViewer.getTree();
 402             if (null != resourceTreeHead) {
 403                 // Below code creates menu entries and shows them on right
 404                 // clicking a resource
 405                 final Menu menu = new Menu(resourceTreeHead);
 406                 resourceTreeHead.setMenu(menu);
 407                 menu.addMenuListener(new MenuAdapter() {
 408                     @Override
 409                     public void menuShown(MenuEvent e) {
 410                         // Clear existing menu items
 411                         MenuItem[] items = menu.getItems();
 412                         for (int index = 0; index < items.length; index++) {
 413                             items[index].dispose();
 414                         }
 415                         MenuItem addToFavMenuItem = new MenuItem(menu, SWT.NONE);
 416                         addToFavMenuItem.setText("Remove from favorites");
 417                         addToFavMenuItem
 418                                 .addSelectionListener(new SelectionAdapter() {
 419                                     @Override
 420                                     public void widgetSelected(SelectionEvent e) {
 421                                         RemoteResource resource = (RemoteResource) ((IStructuredSelection) favTreeViewer
 422                                                 .getSelection())
 423                                                 .getFirstElement();
 424                                         if (null == resource) {
 425                                             return;
 426                                         }
 427                                         resourceManager
 428                                                 .removeResourceFromFavorites(resource);
 429                                         resourceManager
 430                                                 .removeResourceURIFromFavorites(resource);
 431                                         favTreeViewer.refresh();
 432                                     }
 433                                 });
 434                     }
 435                 });
 436             }
 437         }
 438     }
 439
 440     private void addUIListeners() {
 441         findResButton.addSelectionListener(new SelectionAdapter() {
 442             @Override
 443             public void widgetSelected(SelectionEvent e) {
 444                 PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
 445
 446                     @Override
 447                     public void run() {
 448                         FindResourceWizard findWizard = new FindResourceWizard();
 449                         ResourceWizardDialog wizardDialog = new ResourceWizardDialog(
 450                                 PlatformUI.getWorkbench().getDisplay()
 451                                         .getActiveShell(), findWizard);
 452                         int open = wizardDialog.open();
 453                         if (open == WizardDialog.OK) {
 454                             // Setting initial value on starting the find
 455                             // operation.
 456                             setFoundResource(false);
 457
 458                             Set<String> searchTypes = findWizard
 459                                     .getSearchTypes();
 460                             // Delete cached details of resources based on the
 461                             // given search types.
 462                             // If there are no resource types to search, then
 463                             // all resources
 464                             // will be deleted.
 465                             resourceManager.deleteResources(searchTypes);
 466
 467                             // Update the tree
 468                             treeViewer.refresh();
 469                             favTreeViewer.refresh();
 470
 471                             // Call native method to find Resources
 472                             boolean result = resourceManager
 473                                     .findResourceRequest(searchTypes);
 474                             if (result) {
 475                                 searchUIOperation(false);
 476                             } else {
 477                                 MessageDialog
 478                                         .openError(Display.getDefault()
 479                                                 .getActiveShell(),
 480                                                 "Find Resource status",
 481                                                 "Operation failed due to some problems in core layer.");
 482                             }
 483
 484                             // Store this information for refresh
 485                             // functionality
 486                             resourceManager
 487                                     .setLastKnownSearchTypes(searchTypes);
 488
 489                             // Change the refresh visibility
 490                             refreshButton.setEnabled(true);
 491                         }
 492                     }
 493                 });
 494             }
 495         });
 496
 497         refreshButton.addSelectionListener(new SelectionAdapter() {
 498             @Override
 499             public void widgetSelected(SelectionEvent e) {
 500                 Set<String> searchTypes = resourceManager
 501                         .getLastKnownSearchTypes();
 502                 setFoundResource(false);
 503
 504                 // Delete cached details of resources based on the given search
 505                 // types.
 506                 // If there are no resource types to search, then all resources
 507                 // will be deleted.
 508                 resourceManager.deleteResources(searchTypes);
 509
 510                 // Update the tree
 511                 treeViewer.refresh();
 512                 favTreeViewer.refresh();
 513
 514                 // Call native method to find Resources
 515                 boolean result = resourceManager
 516                         .findResourceRequest(searchTypes);
 517                 if (result) {
 518                     searchUIOperation(true);
 519                 } else {
 520                     MessageDialog
 521                             .openError(Display.getDefault().getActiveShell(),
 522                                     "Find Resource status",
 523                                     "Operation failed due to some problems in core layer.");
 524                 }
 525             }
 526         });
 527
 528         // Below code adds a listener to the tree for selection changes
 529         // and notifies the resource manager
 530         ISelectionChangedListener treeSelectionListener = new ISelectionChangedListener() {
 531
 532             @Override
 533             public void selectionChanged(SelectionChangedEvent e) {
 534                 if (e.getSelection().isEmpty()) {
 535                     return;
 536                 }
 537                 if (e.getSelection() instanceof IStructuredSelection) {
 538                     IStructuredSelection selection = (IStructuredSelection) e
 539                             .getSelection();
 540                     RemoteResource resource = (RemoteResource) selection
 541                             .getFirstElement();
 542                     if (null == resource) {
 543                         return;
 544                     }
 545                     resourceManager.resourceSelectionChanged(resource);
 546                 }
 547             }
 548         };
 549
 550         treeViewer.addSelectionChangedListener(treeSelectionListener);
 551         favTreeViewer.addSelectionChangedListener(treeSelectionListener);
 552     }
 553
 554     // If refresh is true, then Refresh Dialog else Find Dialog will be shown.
 555     private void searchUIOperation(boolean refresh) {
 556         final MessageDialog targetDialog;
 557         if (refresh) {
 558             targetDialog = refreshDialog;
 559         } else {
 560             targetDialog = findDialog;
 561         }
 562         // Open the dialog in a new thread.
 563         PlatformUI.getWorkbench().getDisplay().syncExec(new Thread() {
 564
 565             @Override
 566             public void run() {
 567                 if (isFoundResource()) {
 568                     setFoundResource(false);
 569                     return;
 570                 }
 571
 572                 PlatformUI.getWorkbench().getDisplay().asyncExec(new Thread() {
 573                     @Override
 574                     public void run() {
 575                         targetDialog.open(); // This method returns once the
 576                         // cancel button is pressed.
 577
 578                         // Interrupt the sleep thread.
 579                         if (null != sleepThreadHandle
 580                                 && sleepThreadHandle.isAlive()) {
 581                             sleepThreadHandle.interrupt();
 582                         }
 583
 584                         // Set the status of find.
 585                         setFoundResource(false);
 586                     }
 587                 });
 588
 589                 // Thread for find time-out.
 590                 sleepThreadHandle = new Thread() {
 591                     Thread child;
 592
 593                     public void run() {
 594                         try {
 595                             Thread.sleep(Constants.FIND_RESOURCES_TIMEOUT * 1000);
 596                         } catch (InterruptedException e) {
 597                             return;
 598                         }
 599
 600                         child = new Thread() {
 601                             @Override
 602                             public void run() {
 603                                 if (null != targetDialog) {
 604                                     targetDialog.close();
 605
 606                                     // Check if any new resources are
 607                                     // discovered.
 608                                     // Is no new resources, then display a
 609                                     // message box.
 610                                     if (!isFoundResource()) {
 611                                         MessageDialog
 612                                                 .openInformation(
 613                                                         Display.getDefault()
 614                                                                 .getActiveShell(),
 615                                                         "No servers found",
 616                                                         "No servers are available as of now.\n"
 617                                                                 + "Please check the servers' status and press"
 618                                                                 + "'Refresh' button to restart the search.");
 619                                     } else {
 620                                         // Resetting the status to false for
 621                                         // ensuring safety.
 622                                         setFoundResource(false);
 623                                     }
 624                                 }
 625                             }
 626                         };
 627
 628                         PlatformUI.getWorkbench().getDisplay().syncExec(child);
 629                     }
 630                 };
 631                 sleepThreadHandle.start();
 632             }
 633         });
 634     }
 635
 636     private void addManagerListeners() {
 637         resourceManager.addFindresourceUIListener(findListener);
 638     }
 639
 640     @Override
 641     public void dispose() {
 642         // Unregister the listener
 643         if (null != findListener) {
 644             resourceManager.removeFindresourceUIListener(findListener);
 645             resourceManager.resourceSelectionChanged(null);
 646         }
 647         super.dispose();
 648     }
 649
 650     @Override
 651     public void setFocus() {
 652         // TODO Auto-generated method stub
 653
 654     }
 655
 656     public synchronized void setFoundResource(boolean value) {
 657         foundResource = value;
 658     }
 659
 660     public synchronized boolean isFoundResource() {
 661         return foundResource;
 662     }
 663 }
 664
 665 class TreeContentProvider implements ITreeContentProvider {
 666
 667     @Override
 668     public void dispose() {
 669     }
 670
 671     @Override
 672     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 673
 674     }
 675
 676     @Override
 677     public Object[] getChildren(Object parent) {
 678         return null;
 679     }
 680
 681     @Override
 682     public Object[] getElements(Object parent) {
 683         List<RemoteResource> resourceList = Activator.getDefault()
 684                 .getResourceManager().getResourceList();
 685         return resourceList.toArray();
 686     }
 687
 688     @Override
 689     public Object getParent(Object child) {
 690         return null;
 691     }
 692
 693     @Override
 694     public boolean hasChildren(Object parent) {
 695         return false;
 696     }
 697
 698 }
 699
 700 class FavTreeContentProvider implements ITreeContentProvider {
 701
 702     @Override
 703     public void dispose() {
 704     }
 705
 706     @Override
 707     public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 708
 709     }
 710
 711     @Override
 712     public Object[] getChildren(Object parent) {
 713         return null;
 714     }
 715
 716     @Override
 717     public Object[] getElements(Object parent) {
 718         List<RemoteResource> resourceList = Activator.getDefault()
 719                 .getResourceManager().getFavResourceList();
 720         return resourceList.toArray();
 721     }
 722
 723     @Override
 724     public Object getParent(Object child) {
 725         return null;
 726     }
 727
 728     @Override
 729     public boolean hasChildren(Object parent) {
 730         return false;
 731     }
 732
 733 }
 734
 735 class TreeLabelProvider extends LabelProvider {
 736     @Override
 737     public String getText(Object element) {
 738         RemoteResource resource = (RemoteResource) element;
 739         return resource.getResourceURI();
 740     }
 741
 742     @Override
 743     public Image getImage(Object element) {
 744         RemoteResource resource = (RemoteResource) element;
 745         ResourceManager resourceManager = Activator.getDefault()
 746                 .getResourceManager();
 747         return resourceManager.getImage(resource.getResourceURI());
 748     }
 749 }