Examples of org.eclipse.jface.resource.LocalResourceManager

org.eclipse.jface.resource.LocalResourceManager
A local registry that shares its resources with some global registry. LocalResourceManager is typically used to safeguard against leaks. Clients can use a nested registry to allocate and deallocate resources in the global registry. Calling dispose() on the nested registry will deallocate everything allocated for the nested registry without affecting the rest of the global registry.
A nested registry can be used to manage the resources for, say, a dialog box.
@since 3.1


    private LocalResourceManager resourceManager;


    public synchronized LocalResourceManager getResourceManager() {
        if (resourceManager == null) {
            resourceManager = new LocalResourceManager(JFaceResources.getResources());
        }
        return resourceManager;
    }

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    /**
     * Creates a new workbench label provider.
     */
    public CopiedWorkbenchLabelProvider() {
        PlatformUI.getWorkbench().getEditorRegistry().addPropertyListener(editorRegistryListener);
        this.resourceManager = new LocalResourceManager(JFaceResources.getResources());
    }

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   *
   * @param control
   *            viewer where label provided is used.
   */
  public CheckboxLabelProvider(final Control control) {
    resourceManager = new LocalResourceManager(getResources());
    checkBoxes = createCheckboxImage(resourceManager, control);
  }

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  @Override
  protected Control createDialogArea(Composite parent) {
    Composite main = new Composite(parent, SWT.NONE);
    main.setLayout(new GridLayout(1, false));
    GridDataFactory.fillDefaults().grab(true, true).applyTo(main);
    final ResourceManager resources = new LocalResourceManager(
        JFaceResources.getResources());
    UIUtils.hookDisposal(main, resources);
    table = new CommitGraphTable(main, null, resources);
    table.setRelativeDate(GitHistoryPage.isShowingRelativeDates());
    table.getTableView().addSelectionChangedListener(

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    TreeViewerColumn messageColumn = createColumn(layout,
        UIText.ReflogView_MessageColumnHeader, 40, SWT.LEFT);
    messageColumn.setLabelProvider(new ColumnLabelProvider() {


      private ResourceManager resourceManager = new LocalResourceManager(
          JFaceResources.getResources());


      @Override
      public String getText(Object element) {
        final ReflogEntry entry = (ReflogEntry) element;
        return entry.getComment();
      }


      public Image getImage(Object element) {
        String comment = ((ReflogEntry) element).getComment();
        if (comment.startsWith("commit:") || comment.startsWith("commit (initial):")) //$NON-NLS-1$ //$NON-NLS-2$
          return (Image) resourceManager.get(UIIcons.COMMIT);
        if (comment.startsWith("commit (amend):")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.AMEND_COMMIT);
        if (comment.startsWith("pull")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.PULL);
        if (comment.startsWith("clone")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.CLONEGIT);
        if (comment.startsWith("rebase")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.REBASE);
        if (comment.startsWith("merge")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.MERGE);
        if (comment.startsWith("fetch")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.FETCH);
        if (comment.startsWith("branch")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.CREATE_BRANCH);
        if (comment.startsWith("checkout")) //$NON-NLS-1$
          return (Image) resourceManager.get(UIIcons.CHECKOUT);
        return null;
      }


      public void dispose() {
        resourceManager.dispose();
        super.dispose();
      }
    });


    new OpenAndLinkWithEditorHelper(refLogTableTreeViewer) {

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    return workbenchLabelProvider;
  }


  private ResourceManager getImageCache() {
    if (imageCache == null)
      imageCache = new LocalResourceManager(JFaceResources.getResources());
    return imageCache;
  }

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    public boolean markFinished(Font boldFont, Display display) {
        checkHashMaps();
        BoldFontDescriptor desc = (BoldFontDescriptor)descriptors.get(boldFont);
        if (desc != null) {
            LocalResourceManager resourceManager = manager.getResourceManager(display);
            resourceManager.destroyFont(desc);
            if (resourceManager.find(desc) == null) {
                descriptors.remove(boldFont);
                validateHashMaps();
            }
            return true;

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    public LocalResourceManager getResourceManager(Display display) {
        if (resourceManagers == null) {
            resourceManagers = new HashMap();
        }
        LocalResourceManager resources = (LocalResourceManager)resourceManagers.get(display);
        if (resources == null) {
            pruneResourceManagers();
            resources = new LocalResourceManager(JFaceResources.getResources(display));
            resourceManagers.put(display, resources);
        }
        return resources;
    }

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public class StartupProgressDialog extends ProgressMonitorDialog {
  private LocalResourceManager fResources;


  public StartupProgressDialog() {
    super(null);
    fResources = new LocalResourceManager(JFaceResources.getResources());
  }

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  public LoginDialog(Shell parentShell, URI link, String realm, boolean isSyncLogin) {
    super(parentShell);
    fLink = link;
    fRealm = realm;
    fIsSyncLogin = isSyncLogin;
    fResources = new LocalResourceManager(JFaceResources.getResources());
    fCredProvider = Owl.getConnectionService().getCredentialsProvider(link);
    fPreferences = Owl.getPreferenceService().getGlobalScope();
  }

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