/* (non-Javadoc)
  * @see org.eclipse.swt.widgets.Control#setEnabled(boolean)
  */
 public void setEnabled(boolean enabled) {
   fTree.getControl().setEnabled(enabled);
   if (enabled) {
     updateButtons();
   } else {
     fSelectButton.setEnabled(false);
     fSelectAllButton.setEnabled(false);
     fDeselectButton.setEnabled(false);
     fDeselectAllButton.setEnabled(false);
     fSelectRequiredButton.setEnabled(false);
     fCountLabel.setText(""); // $NON-NLS-1$
   }
   fModeLabel.setEnabled(enabled);
   fPluginModeButton.setEnabled(enabled);
   fFeaureModeButton.setEnabled(enabled);
   fShowLabel.setEnabled(enabled);
   fShowPluginsButton.setEnabled(enabled);
   fShowSourceButton.setEnabled(enabled);
   boolean isPluginMode = !fFeaureModeButton.getSelection();
   fGroupLabel.setEnabled(enabled && isPluginMode);
   if (fGroupCombo != null) {
     fGroupCombo.setEnabled(enabled && isPluginMode);
   } else {
     fGroupComboPart.setEnabled(enabled && isPluginMode);
   }
 }
  private Composite createAvailableList(Composite parent) {
    Composite container = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    container.setLayout(layout);
    container.setLayoutData(new GridData());

    Label label = new Label(container, SWT.NONE);
    label.setText(PDEUIMessages.ImportWizard_DetailedPage_availableList);

    Table table = new Table(container, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.heightHint = 200;
    gd.widthHint = 225;
    table.setLayoutData(gd);

    fAvailableListViewer = new TableViewer(table);
    fAvailableListViewer.setLabelProvider(new PluginImportLabelProvider());
    fAvailableListViewer.setContentProvider(new ContentProvider());
    fAvailableListViewer.setInput(PDECore.getDefault().getModelManager());
    fAvailableListViewer.setComparator(ListUtil.PLUGIN_COMPARATOR);

    return container;
  }
 private void createImpLabel(Composite container) {
   Label label = new Label(container, SWT.NONE);
   label.setText(PDEUIMessages.TargetImplicitPluginsTab_desc);
   label.setFont(container.getFont());
   GridData gd = new GridData(GridData.FILL_HORIZONTAL);
   gd.horizontalSpan = 2;
   label.setLayoutData(gd);
 }
 protected void createSpacer(Composite parent) {
   Label spacer = new Label(parent, SWT.NONE);
   GridData data = new GridData();
   data.horizontalAlignment = GridData.FILL;
   data.verticalAlignment = GridData.BEGINNING;
   data.heightHint = 4;
   spacer.setLayoutData(data);
 }
  private void createLabels(Composite pageContent) {
    Label label = new Label(pageContent, SWT.LEFT);
    label.setText(Messages._UI_LABEL_SOURCE_FILES);

    GridData data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    label = new Label(pageContent, SWT.LEFT);
    label.setText(Messages._UI_LABEL_SELECTED_FILES);
  }
  private void updateCount() {
    if (fCountTotal <= 0) {
      // Since we filter the list of available plug-ins the total may differ from the model count
      fCountTotal = fAvailableListViewer.getTable().getItemCount();
    }

    fCountLabel.setText(
        NLS.bind(
            PDEUIMessages.ImportWizard_DetailedPage_count,
            (new String[] {
              Integer.toString(fImportListViewer.getTable().getItemCount()),
              Integer.toString(fCountTotal)
            })));
    fCountLabel.getParent().layout();
  }
  private Composite createScrollArea(Composite parent) {
    Group container = new Group(parent, SWT.NONE);
    GridLayout layout = new GridLayout(2, false);
    layout.marginWidth = layout.marginHeight = 6;
    container.setLayout(layout);

    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 3;
    container.setLayoutData(gd);
    container.setText(PDEUIMessages.ImportWizard_DetailedPage_filter);

    Label filterLabel = new Label(container, SWT.NONE);
    filterLabel.setText(PDEUIMessages.ImportWizard_DetailedPage_search);

    fFilterText = new Text(container, SWT.BORDER);
    fFilterText.setText(""); // $NON-NLS-1$
    gd = new GridData(GridData.FILL_HORIZONTAL);
    fFilterText.setLayoutData(gd);

    return container;
  }
  /**
   * Creates the contents of this group, using the given toolkit where appropriate so that the
   * controls have the form editor look and feel.
   *
   * @param parent parent composite
   * @param toolkit toolkit to create controls with
   */
  protected void createFormContents(Composite parent, FormToolkit toolkit) {
    fGrouping = GROUP_BY_NONE;

    Composite comp = toolkit.createComposite(parent);
    GridLayout layout = new GridLayout(2, false);
    layout.marginWidth = layout.marginHeight = 0;
    comp.setLayout(layout);
    comp.setLayoutData(new GridData(GridData.FILL_BOTH));
    comp.setFont(parent.getFont());

    createTree(comp, toolkit);
    createButtons(comp, toolkit);

    fCountLabel = toolkit.createLabel(comp, ""); // $NON-NLS-1$
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.horizontalSpan = 2;
    fCountLabel.setLayoutData(data);

    updateButtons();
    initializeFilters();
  }
  /**
   * Set the container to display in the tree or <code>null</code> to disable the tree
   *
   * @param input bundle container or <code>null</code>
   */
  public void setInput(ITargetDefinition input) {
    fTargetDefinition = input;

    // Update the cached data
    fFileBundleMapping = null;
    fAllBundles.clear();

    if (input == null || !input.isResolved()) {
      fTree.setInput(Messages.TargetContentsGroup_10);
      setEnabled(false);
      return;
    }

    IResolvedBundle[] allResolvedBundles = input.getAllBundles();
    if (allResolvedBundles == null || allResolvedBundles.length == 0) {
      fTree.setInput(Messages.TargetContentsGroup_11);
      setEnabled(false);
      return;
    }

    for (int i = 0; i < allResolvedBundles.length; i++) {
      fAllBundles.add(allResolvedBundles[i]);
    }

    boolean isFeatureMode =
        ((TargetDefinition) fTargetDefinition).getUIMode() == TargetDefinition.MODE_FEATURE;
    fFeaureModeButton.setSelection(isFeatureMode);
    fPluginModeButton.setSelection(!isFeatureMode);
    fGroupLabel.setEnabled(!isFeatureMode);

    fTree.getControl().setRedraw(false);
    fTree.setInput(fTargetDefinition);
    fTree.expandAll();
    updateCheckState();
    updateButtons();
    setEnabled(true);
    fTree.getControl().setRedraw(true);
  }
  private Composite createButtonArea(Composite parent) {
    ScrolledComposite comp = new ScrolledComposite(parent, SWT.V_SCROLL | SWT.H_SCROLL);
    GridLayout layout = new GridLayout();
    layout.marginWidth = layout.marginHeight = 0;
    comp.setLayoutData(new GridData(GridData.FILL_VERTICAL));
    Composite container = new Composite(comp, SWT.NONE);
    layout = new GridLayout();
    layout.marginWidth = 0;
    container.setLayout(layout);
    GridData gd = new GridData(GridData.FILL_VERTICAL);
    gd.verticalIndent = 15;
    container.setLayoutData(gd);

    Button button = new Button(container, SWT.PUSH);
    button.setText(PDEUIMessages.ImportWizard_DetailedPage_existing);
    button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    button.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleExistingProjects();
          }
        });
    SWTUtil.setButtonDimensionHint(button);

    button = new Button(container, SWT.PUSH);
    button.setText(PDEUIMessages.ImportWizard_DetailedPage_existingUnshared);
    button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    button.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleExistingUnshared();
          }
        });
    SWTUtil.setButtonDimensionHint(button);

    fAddButton = new Button(container, SWT.PUSH);
    fAddButton.setText(PDEUIMessages.ImportWizard_DetailedPage_add);
    fAddButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fAddButton.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleAdd();
          }
        });
    SWTUtil.setButtonDimensionHint(fAddButton);

    fAddAllButton = new Button(container, SWT.PUSH);
    fAddAllButton.setText(PDEUIMessages.ImportWizard_DetailedPage_addAll);
    fAddAllButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fAddAllButton.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleAddAll();
          }
        });
    SWTUtil.setButtonDimensionHint(fAddAllButton);

    fRemoveButton = new Button(container, SWT.PUSH);
    fRemoveButton.setText(PDEUIMessages.ImportWizard_DetailedPage_remove);
    fRemoveButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fRemoveButton.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleRemove();
          }
        });
    SWTUtil.setButtonDimensionHint(fRemoveButton);

    fRemoveAllButton = new Button(container, SWT.PUSH);
    fRemoveAllButton.setText(PDEUIMessages.ImportWizard_DetailedPage_removeAll);
    fRemoveAllButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fRemoveAllButton.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleRemoveAll();
          }
        });
    SWTUtil.setButtonDimensionHint(fRemoveAllButton);

    button = new Button(container, SWT.PUSH);
    button.setText(PDEUIMessages.ImportWizard_DetailedPage_swap);
    button.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    button.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleSwap();
          }
        });
    SWTUtil.setButtonDimensionHint(button);

    fAddRequiredButton = new Button(container, SWT.PUSH);
    fAddRequiredButton.setText(PDEUIMessages.ImportWizard_DetailedPage_addRequired);
    fAddRequiredButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fAddRequiredButton.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            handleAddRequiredPlugins();
          }
        });
    SWTUtil.setButtonDimensionHint(fAddRequiredButton);

    fCountLabel = new Label(container, SWT.NONE);
    fCountLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
    comp.setContent(container);
    comp.setMinHeight(250);
    comp.setExpandHorizontal(true);
    comp.setExpandVertical(true);
    return container;
  }
  @Override
  public void createControl(final Composite parent) {
    Composite container = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    container.setLayout(layout);
    layout.numColumns = 3;
    layout.verticalSpacing = 9;
    Label label = new Label(container, SWT.NULL);
    label.setText("&Container:");

    containerText = new Text(container, SWT.BORDER | SWT.SINGLE);
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    containerText.setLayoutData(gd);
    containerText.addModifyListener(
        new ModifyListener() {

          @Override
          public void modifyText(final ModifyEvent e) {
            dialogChanged();
          }
        });

    Button button = new Button(container, SWT.PUSH);
    button.setText("Browse...");
    button.addSelectionListener(
        new SelectionAdapter() {

          @Override
          public void widgetSelected(final SelectionEvent e) {
            handleBrowse();
          }
        });

    label = new Label(container, SWT.NULL);
    label.setText("&Choose a model:");

    Composite middleComposite = new Composite(container, SWT.NULL);
    FillLayout fillLayout = new FillLayout();
    middleComposite.setLayout(fillLayout);

    emptyModelButton = new Button(middleComposite, SWT.RADIO);
    emptyModelButton.setText("Empty");
    emptyModelButton.setSelection(true);
    skeletonModelButton = new Button(middleComposite, SWT.RADIO);
    skeletonModelButton.setText("Skeleton");
    exampleModelButton = new Button(middleComposite, SWT.RADIO);
    exampleModelButton.setText("Example");
    emptyModelButton.addSelectionListener(
        new SelectionAdapter() {

          @Override
          public void widgetSelected(final SelectionEvent se) {
            typeOfModel = "empty";
            radioChanged();
          }
        });
    exampleModelButton.addSelectionListener(
        new SelectionAdapter() {

          @Override
          public void widgetSelected(final SelectionEvent se) {
            typeOfModel = "example";
            radioChanged();
          }
        });
    skeletonModelButton.addSelectionListener(
        new SelectionAdapter() {

          @Override
          public void widgetSelected(final SelectionEvent se) {
            typeOfModel = "skeleton";
            radioChanged();
          }
        });

    /* Need to add empty label so the next controls are pushed to the next line in the grid. */
    label = new Label(container, SWT.NULL);
    label.setText("");

    label = new Label(container, SWT.NULL);
    label.setText("&File name:");

    fileText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    fileText.setLayoutData(gd);
    fileText.addModifyListener(
        new ModifyListener() {

          @Override
          public void modifyText(final ModifyEvent e) {
            Text t = (Text) e.getSource();
            String fname = t.getText();
            int i = fname.lastIndexOf(".gaml");
            if (i > 0) {
              // model title = filename less extension less all non alphanumeric characters
              titleText.setText(fname.substring(0, i).replaceAll("[^\\p{Alnum}]", ""));
            } /*
               * else if (fname.length()>0) {
               * int pos = t.getSelection().x;
               * fname = fname.replaceAll("[[^\\p{Alnum}]&&[^_-]&&[^\\x2E]]", "_");
               * t.setText(fname+".gaml");
               * t.setSelection(pos);
               * } else {
               * t.setText("new.gaml");
               * }
               */
            dialogChanged();
          }
        });

    /* Need to add empty label so the next two controls are pushed to the next line in the grid. */
    label = new Label(container, SWT.NULL);
    label.setText("");

    label = new Label(container, SWT.NULL);
    label.setText("&Author:");

    authorText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    authorText.setLayoutData(gd);
    authorText.setText(getComputerFullName());
    authorText.addModifyListener(
        new ModifyListener() {

          @Override
          public void modifyText(final ModifyEvent e) {
            dialogChanged();
          }
        });

    /* Need to add empty label so the next two controls are pushed to the next line in the grid. */
    label = new Label(container, SWT.NULL);
    label.setText("");

    label = new Label(container, SWT.NULL);
    label.setText("&Model name:");

    titleText = new Text(container, SWT.BORDER | SWT.SINGLE);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    titleText.setLayoutData(gd);
    titleText.setText("new");
    titleText.addModifyListener(
        new ModifyListener() {

          @Override
          public void modifyText(final ModifyEvent e) {
            dialogChanged();
          }
        });

    /* Need to add empty label so the next two controls are pushed to the next line in the grid. */
    label = new Label(container, SWT.NULL);
    label.setText("");

    label = new Label(container, SWT.NULL);
    label.setText("&Model description:");

    descriptionText =
        new Text(container, SWT.WRAP | SWT.MULTI | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    descriptionText.setBounds(0, 0, 250, 100);
    gd = new GridData(SWT.FILL, SWT.FILL, true, false);
    gd.verticalSpan = 4;
    descriptionText.setLayoutData(gd);

    /*
     * Need to add seven empty labels in order to push next controls after the descriptionText
     * box.
     */
    // TODO Dirty!! Change the way to do this
    for (int i = 0; i < 7; i++) {
      label = new Label(container, SWT.NULL);
      label.setText("");
    }

    label = new Label(container, SWT.NULL);
    label.setText("&Create a html template \nfor the model description ?");

    middleComposite = new Composite(container, SWT.NULL);
    fillLayout = new FillLayout();
    middleComposite.setLayout(fillLayout);

    yesButton = new Button(middleComposite, SWT.RADIO);
    yesButton.setText("Yes");
    yesButton.setSelection(true);
    Button noButton = new Button(middleComposite, SWT.RADIO);
    noButton.setText("No");
    yesButton.addSelectionListener(
        new SelectionAdapter() {

          @Override
          public void widgetSelected(final SelectionEvent se) {
            dialogChanged();
          }
        });

    /* Finished adding the custom control */
    initialize();
    dialogChanged();
    setControl(container);
  }
  /* (non-Javadoc)
   * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
   */
  public void createControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(new GridLayout());
    composite.setLayoutData(new GridData(GridData.FILL_BOTH));
    setControl(composite);

    Label label = new Label(composite, SWT.WRAP);
    label.setText(PDEUIMessages.PluginWorkingSet_setName);
    label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    fWorkingSetName = new Text(composite, SWT.SINGLE | SWT.BORDER);
    fWorkingSetName.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fWorkingSetName.addModifyListener(
        new ModifyListener() {
          public void modifyText(ModifyEvent e) {
            validatePage();
          }
        });
    fWorkingSetName.setFocus();

    label = new Label(composite, SWT.WRAP);
    label.setText(PDEUIMessages.PluginWorkingSet_setContent);
    label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    fTree = new CheckboxFilteredTree(composite, SWT.BORDER, new PatternFilter());
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.heightHint = 250;
    fTree.getViewer().getControl().setLayoutData(gd);
    final IStructuredContentProvider fTableContentProvider = new ContentProvider();
    fTree.getCheckboxTreeViewer().setContentProvider(fTableContentProvider);
    fTree.getCheckboxTreeViewer().setLabelProvider(new WorkingSetLabelProvider());
    fTree.getCheckboxTreeViewer().setUseHashlookup(true);
    fTree.getCheckboxTreeViewer().setInput(PDECore.getDefault());

    fTree
        .getCheckboxTreeViewer()
        .addCheckStateListener(
            new ICheckStateListener() {
              public void checkStateChanged(CheckStateChangedEvent event) {
                validatePage();
              }
            });

    // Add select / deselect all buttons for bug 46669
    Composite buttonComposite = new Composite(composite, SWT.NONE);
    buttonComposite.setLayout(new GridLayout(2, true));
    buttonComposite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

    Button selectAllButton = new Button(buttonComposite, SWT.PUSH);
    selectAllButton.setText(PDEUIMessages.PluginWorkingSet_selectAll_label);
    selectAllButton.setToolTipText(PDEUIMessages.PluginWorkingSet_selectAll_toolTip);
    selectAllButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent selectionEvent) {
            fTree
                .getCheckboxTreeViewer()
                .setCheckedElements(
                    fTableContentProvider.getElements(fTree.getCheckboxTreeViewer().getInput()));
            validatePage();
          }
        });
    selectAllButton.setLayoutData(new GridData());
    SWTUtil.setButtonDimensionHint(selectAllButton);

    Button deselectAllButton = new Button(buttonComposite, SWT.PUSH);
    deselectAllButton.setText(PDEUIMessages.PluginWorkingSet_deselectAll_label);
    deselectAllButton.setToolTipText(PDEUIMessages.PluginWorkingSet_deselectAll_toolTip);
    deselectAllButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent selectionEvent) {
            fTree.getCheckboxTreeViewer().setCheckedElements(new Object[0]);
            validatePage();
          }
        });
    deselectAllButton.setLayoutData(new GridData());
    SWTUtil.setButtonDimensionHint(deselectAllButton);
    setPageComplete(false);
    setMessage(PDEUIMessages.PluginWorkingSet_message);

    initialize();
    Dialog.applyDialogFont(composite);

    PlatformUI.getWorkbench()
        .getHelpSystem()
        .setHelp(composite, IHelpContextIds.PLUGIN_WORKING_SET);
  }
  /** @see PreferencePage#createContents(Composite) */
  protected Control createContents(Composite ancestor) {
    Composite parent = new Composite(ancestor, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    parent.setLayout(layout);

    // layout the top table & its buttons
    Label label = new Label(parent, SWT.LEFT);
    label.setText(XMLCompareMessages.XMLComparePreference_topTableLabel);
    GridData data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    fIdMapsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
    fIdMapsTable.setHeaderVisible(true);
    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fIdMapsTable.getItemHeight() * 4;
    fIdMapsTable.setLayoutData(data);
    fIdMapsTable.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            selectionChanged();
          }
        });

    String column2Text = XMLCompareMessages.XMLComparePreference_topTableColumn2;
    String column3Text = XMLCompareMessages.XMLComparePreference_topTableColumn3;
    ColumnLayoutData columnLayouts[] = {
      new ColumnWeightData(1),
      new ColumnPixelData(convertWidthInCharsToPixels(column2Text.length() + 2), true),
      new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 5), true)
    };
    TableLayout tablelayout = new TableLayout();
    fIdMapsTable.setLayout(tablelayout);
    for (int i = 0; i < 3; i++) tablelayout.addColumnData(columnLayouts[i]);
    TableColumn column = new TableColumn(fIdMapsTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_topTableColumn1);
    column = new TableColumn(fIdMapsTable, SWT.NONE);
    column.setText(column2Text);
    column = new TableColumn(fIdMapsTable, SWT.NONE);
    column.setText(column3Text);

    fillIdMapsTable();

    Composite buttons = new Composite(parent, SWT.NULL);
    buttons.setLayout(new GridLayout());
    data = new GridData();
    data.verticalAlignment = GridData.FILL;
    data.horizontalAlignment = GridData.FILL;
    buttons.setLayoutData(data);

    fAddIdMapButton = new Button(buttons, SWT.PUSH);
    fAddIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topAdd);
    fAddIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            addIdMap(fAddIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fAddIdMapButton.setLayoutData(data);

    fRenameIdMapButton = new Button(buttons, SWT.PUSH);
    fRenameIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRename);
    fRenameIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            renameIdMap(fRenameIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fAddIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fRenameIdMapButton.setLayoutData(data);

    fRemoveIdMapButton = new Button(buttons, SWT.PUSH);
    fRemoveIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topRemove);
    fRemoveIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            removeIdMap(fRemoveIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fRemoveIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fRemoveIdMapButton.setLayoutData(data);

    createSpacer(buttons);

    fEditIdMapButton = new Button(buttons, SWT.PUSH);
    fEditIdMapButton.setText(XMLCompareMessages.XMLComparePreference_topEdit);
    fEditIdMapButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            editIdMap(fEditIdMapButton.getShell());
          }
        });
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    // data.heightHint = convertVerticalDLUsToPixels(IDialogConstants.BUTTON_HEIGHT);
    widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
    data.widthHint =
        Math.max(widthHint, fEditIdMapButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
    fEditIdMapButton.setLayoutData(data);

    // Spacer
    label = new Label(parent, SWT.LEFT);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    // layout the middle table & its buttons
    label = new Label(parent, SWT.LEFT);
    label.setText(XMLCompareMessages.XMLComparePreference_middleTableLabel);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    fMappingsTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
    fMappingsTable.setHeaderVisible(true);
    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fMappingsTable.getItemHeight() * 4;
    data.widthHint = convertWidthInCharsToPixels(70);
    fMappingsTable.setLayoutData(data);

    column3Text = XMLCompareMessages.XMLComparePreference_middleTableColumn3;
    String column4Text = XMLCompareMessages.XMLComparePreference_middleTableColumn4;
    columnLayouts =
        new ColumnLayoutData[] {
          new ColumnWeightData(10),
          new ColumnWeightData(18),
          new ColumnPixelData(convertWidthInCharsToPixels(column3Text.length() + 1), true),
          new ColumnPixelData(convertWidthInCharsToPixels(column4Text.length() + 3), true)
        };
    tablelayout = new TableLayout();
    fMappingsTable.setLayout(tablelayout);
    for (int i = 0; i < 4; i++) tablelayout.addColumnData(columnLayouts[i]);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn1);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_middleTableColumn2);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(column3Text);
    column = new TableColumn(fMappingsTable, SWT.NONE);
    column.setText(column4Text);

    buttons = new Composite(parent, SWT.NULL);
    buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    buttons.setLayout(layout);

    fNewMappingsButton = new Button(buttons, SWT.PUSH);
    fNewMappingsButton.setLayoutData(getButtonGridData(fNewMappingsButton));
    fNewMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleNew);
    fNewMappingsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            addMapping(fAddIdMapButton.getShell());
          }
        });

    fEditMappingsButton = new Button(buttons, SWT.PUSH);
    fEditMappingsButton.setLayoutData(getButtonGridData(fEditMappingsButton));
    fEditMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleEdit);
    fEditMappingsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            editMapping(fEditMappingsButton.getShell());
          }
        });

    fRemoveMappingsButton = new Button(buttons, SWT.PUSH);
    fRemoveMappingsButton.setLayoutData(getButtonGridData(fRemoveMappingsButton));
    fRemoveMappingsButton.setText(XMLCompareMessages.XMLComparePreference_middleRemove);
    fRemoveMappingsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            removeMapping(fRemoveMappingsButton.getShell());
          }
        });

    createSpacer(buttons);

    // layout the botton table & its buttons
    label = new Label(parent, SWT.LEFT);
    label.setText(XMLCompareMessages.XMLComparePreference_bottomTableLabel);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    fOrderedTable = new Table(parent, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
    fOrderedTable.setHeaderVisible(true);
    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fOrderedTable.getItemHeight() * 2;
    data.widthHint = convertWidthInCharsToPixels(70);
    fOrderedTable.setLayoutData(data);

    columnLayouts = new ColumnLayoutData[] {new ColumnWeightData(1), new ColumnWeightData(1)};
    tablelayout = new TableLayout();
    fOrderedTable.setLayout(tablelayout);
    for (int i = 0; i < 2; i++) tablelayout.addColumnData(columnLayouts[i]);
    column = new TableColumn(fOrderedTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn1);
    column = new TableColumn(fOrderedTable, SWT.NONE);
    column.setText(XMLCompareMessages.XMLComparePreference_bottomTableColumn2);

    buttons = new Composite(parent, SWT.NULL);
    buttons.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
    layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    buttons.setLayout(layout);

    fNewOrderedButton = new Button(buttons, SWT.PUSH);
    fNewOrderedButton.setLayoutData(getButtonGridData(fNewOrderedButton));
    fNewOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomNew);
    fNewOrderedButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            addOrdered(fNewOrderedButton.getShell());
          }
        });

    fEditOrderedButton = new Button(buttons, SWT.PUSH);
    fEditOrderedButton.setLayoutData(getButtonGridData(fEditOrderedButton));
    fEditOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomEdit);
    fEditOrderedButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            editOrdered(fEditOrderedButton.getShell());
          }
        });

    fRemoveOrderedButton = new Button(buttons, SWT.PUSH);
    fRemoveOrderedButton.setLayoutData(getButtonGridData(fRemoveOrderedButton));
    fRemoveOrderedButton.setText(XMLCompareMessages.XMLComparePreference_bottomRemove);
    fRemoveOrderedButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            removeOrdered(fRemoveOrderedButton.getShell());
          }
        });

    createSpacer(buttons);

    fIdMapsTable.setSelection(0);
    fIdMapsTable.setFocus();
    selectionChanged();

    return parent;
  }
  private void updateButtons() {
    if (fTargetDefinition != null && !fTree.getSelection().isEmpty()) {
      Object[] selection = ((IStructuredSelection) fTree.getSelection()).toArray();
      boolean hasResolveBundle = false;
      boolean hasParent = false;
      boolean allSelected = true;
      boolean noneSelected = true;
      for (int i = 0; i < selection.length; i++) {
        if (!hasResolveBundle || !hasParent) {
          if (selection[i] instanceof IResolvedBundle) {
            hasResolveBundle = true;
          } else {
            hasParent = true;
          }
        }
        boolean checked = fTree.getChecked(selection[i]);
        if (checked) {
          noneSelected = false;
        } else {
          allSelected = false;
        }
      }
      // Selection is available if not everything is already selected and not both a parent and
      // child item are selected
      fSelectButton.setEnabled(!allSelected && !(hasResolveBundle && hasParent));
      fDeselectButton.setEnabled(!noneSelected && !(hasResolveBundle && hasParent));
    } else {
      fSelectButton.setEnabled(false);
      fDeselectButton.setEnabled(false);
    }

    int total = fAllBundles.size();
    if (fFeaureModeButton.getSelection()) {
      if (fTargetDefinition == null) {
        total = 0;
      } else {
        total = fTargetDefinition.getAllFeatures().length;
        total += ((TargetDefinition) fTargetDefinition).getOtherBundles().length;
      }
    }
    if (fMissing != null) {
      total += fMissing.size();
    }

    fSelectAllButton.setEnabled(fTargetDefinition != null && fTree.getCheckedLeafCount() != total);
    fDeselectAllButton.setEnabled(fTargetDefinition != null && fTree.getCheckedLeafCount() != 0);
    fSelectRequiredButton.setEnabled(
        fTargetDefinition != null
            && fTree.getCheckedLeafCount() > 0
            && fTree.getCheckedLeafCount() != total);

    if (fTargetDefinition != null) {
      fCountLabel.setText(
          MessageFormat.format(
              Messages.TargetContentsGroup_9,
              new String[] {
                Integer.toString(fTree.getCheckedLeafCount()), Integer.toString(total)
              }));
    } else {
      fCountLabel.setText(""); // $NON-NLS-1$
    }
  }
  /**
   * Creates the buttons in this group inside a new composite
   *
   * @param parent parent composite
   * @param toolkit toolkit to give form style or <code>null</code> for dialog style
   */
  private void createButtons(Composite parent, FormToolkit toolkit) {
    if (toolkit != null) {
      Composite buttonComp = toolkit.createComposite(parent);
      GridLayout layout = new GridLayout();
      layout.marginWidth = layout.marginHeight = 0;
      buttonComp.setLayout(layout);
      buttonComp.setLayoutData(new GridData(GridData.FILL_VERTICAL));

      fSelectButton = toolkit.createButton(buttonComp, Messages.IncludedBundlesTree_0, SWT.PUSH);
      fSelectButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
      fDeselectButton = toolkit.createButton(buttonComp, Messages.IncludedBundlesTree_1, SWT.PUSH);
      fDeselectButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

      Label emptySpace = new Label(buttonComp, SWT.NONE);
      GridData gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fSelectAllButton = toolkit.createButton(buttonComp, Messages.IncludedBundlesTree_2, SWT.PUSH);
      fSelectAllButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
      fDeselectAllButton =
          toolkit.createButton(buttonComp, Messages.IncludedBundlesTree_3, SWT.PUSH);
      fDeselectAllButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

      emptySpace = new Label(buttonComp, SWT.NONE);
      gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fSelectRequiredButton =
          toolkit.createButton(buttonComp, Messages.TargetContentsGroup_4, SWT.PUSH);
      fSelectRequiredButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

      Composite filterComp = toolkit.createComposite(buttonComp);
      layout = new GridLayout();
      layout.marginWidth = layout.marginHeight = 0;
      filterComp.setLayout(layout);
      filterComp.setLayoutData(new GridData(SWT.LEFT, SWT.BOTTOM, true, true));

      fModeLabel = toolkit.createLabel(filterComp, Messages.TargetContentsGroup_ManageUsing);

      fPluginModeButton =
          toolkit.createButton(filterComp, Messages.TargetContentsGroup_PluginMode, SWT.RADIO);
      fPluginModeButton.setSelection(true);
      fFeaureModeButton =
          toolkit.createButton(filterComp, Messages.TargetContentsGroup_FeatureMode, SWT.RADIO);
      fFeaureModeButton.setSelection(true);

      emptySpace = new Label(filterComp, SWT.NONE);
      gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fShowLabel = toolkit.createLabel(filterComp, Messages.BundleContainerTable_9);

      fShowPluginsButton =
          toolkit.createButton(filterComp, Messages.BundleContainerTable_14, SWT.CHECK);
      fShowPluginsButton.setSelection(true);
      fShowSourceButton =
          toolkit.createButton(filterComp, Messages.BundleContainerTable_15, SWT.CHECK);
      fShowSourceButton.setSelection(true);

      emptySpace = new Label(filterComp, SWT.NONE);
      gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fGroupLabel = toolkit.createLabel(filterComp, Messages.TargetContentsGroup_0);

      fGroupComboPart = new ComboPart();
      fGroupComboPart.createControl(filterComp, toolkit, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
      gd = new GridData(GridData.FILL_HORIZONTAL);
      gd.horizontalIndent = 10;
      fGroupComboPart.getControl().setLayoutData(gd);
      fGroupComboPart.setItems(
          new String[] {
            Messages.TargetContentsGroup_1,
            Messages.TargetContentsGroup_2,
            Messages.TargetContentsGroup_3
          });
      fGroupComboPart.setVisibleItemCount(30);
      fGroupComboPart.addSelectionListener(
          new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
              handleGroupChange();
            }
          });
      fGroupComboPart.select(0);

    } else {
      Composite buttonComp = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_VERTICAL, 0, 0);
      fSelectButton = SWTFactory.createPushButton(buttonComp, Messages.IncludedBundlesTree_0, null);
      fDeselectButton =
          SWTFactory.createPushButton(buttonComp, Messages.IncludedBundlesTree_1, null);

      Label emptySpace = new Label(buttonComp, SWT.NONE);
      GridData gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fSelectAllButton =
          SWTFactory.createPushButton(buttonComp, Messages.IncludedBundlesTree_2, null);
      fDeselectAllButton =
          SWTFactory.createPushButton(buttonComp, Messages.IncludedBundlesTree_3, null);

      emptySpace = new Label(buttonComp, SWT.NONE);
      gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fSelectRequiredButton =
          SWTFactory.createPushButton(buttonComp, Messages.TargetContentsGroup_4, null);

      Composite filterComp = SWTFactory.createComposite(buttonComp, 1, 1, SWT.NONE, 0, 0);
      filterComp.setLayoutData(new GridData(SWT.LEFT, SWT.BOTTOM, true, true));

      fModeLabel = SWTFactory.createLabel(filterComp, Messages.TargetContentsGroup_ManageUsing, 1);

      fPluginModeButton =
          SWTFactory.createRadioButton(filterComp, Messages.TargetContentsGroup_PluginMode);
      fFeaureModeButton =
          SWTFactory.createRadioButton(filterComp, Messages.TargetContentsGroup_FeatureMode);

      emptySpace = new Label(filterComp, SWT.NONE);
      gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fShowLabel = SWTFactory.createLabel(filterComp, Messages.BundleContainerTable_9, 1);

      fShowPluginsButton =
          SWTFactory.createCheckButton(filterComp, Messages.BundleContainerTable_14, null, true, 1);
      fShowSourceButton =
          SWTFactory.createCheckButton(filterComp, Messages.BundleContainerTable_15, null, true, 1);

      emptySpace = new Label(filterComp, SWT.NONE);
      gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING);
      gd.widthHint = gd.heightHint = 5;
      emptySpace.setLayoutData(gd);

      fGroupLabel = SWTFactory.createLabel(filterComp, Messages.TargetContentsGroup_0, 1);
      fGroupCombo =
          SWTFactory.createCombo(
              filterComp,
              SWT.READ_ONLY,
              1,
              new String[] {
                Messages.TargetContentsGroup_1,
                Messages.TargetContentsGroup_2,
                Messages.TargetContentsGroup_3
              });
      gd = new GridData(GridData.FILL_HORIZONTAL);
      gd.horizontalIndent = 10;
      fGroupCombo.setLayoutData(gd);
      fGroupCombo.addSelectionListener(
          new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
              handleGroupChange();
            }
          });
      fGroupCombo.select(0);
    }

    fSelectButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            if (!fTree.getSelection().isEmpty()) {
              Object[] selected = ((IStructuredSelection) fTree.getSelection()).toArray();
              for (int i = 0; i < selected.length; i++) {
                fTree.setChecked(selected[i], true);
              }
              saveIncludedBundleState();
              contentChanged();
              updateButtons();
              fTree.update(
                  fTargetDefinition.getBundleContainers(),
                  new String[] {IBasicPropertyConstants.P_TEXT});
            }
          }
        });

    fDeselectButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            if (!fTree.getSelection().isEmpty()) {
              Object[] selected = ((IStructuredSelection) fTree.getSelection()).toArray();
              for (int i = 0; i < selected.length; i++) {
                fTree.setChecked(selected[i], false);
              }
              saveIncludedBundleState();
              contentChanged();
              updateButtons();
              fTree.update(
                  fTargetDefinition.getBundleContainers(),
                  new String[] {IBasicPropertyConstants.P_TEXT});
            }
          }
        });

    fSelectAllButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            fTree.setAllChecked(true);
            saveIncludedBundleState();
            contentChanged();
            updateButtons();
            fTree.update(
                fTargetDefinition.getBundleContainers(),
                new String[] {IBasicPropertyConstants.P_TEXT});
          }
        });

    fDeselectAllButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            fTree.setAllChecked(false);
            saveIncludedBundleState();
            contentChanged();
            updateButtons();
            fTree.update(
                fTargetDefinition.getBundleContainers(),
                new String[] {IBasicPropertyConstants.P_TEXT});
          }
        });

    fSelectRequiredButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            Object[] allChecked = fTree.getCheckedLeafElements();
            Object[] required = null;
            if (fFeaureModeButton.getSelection()) {
              required = getRequiredFeatures(fTargetDefinition.getAllFeatures(), allChecked);
            } else {
              required = getRequiredPlugins(fAllBundles, allChecked);
            }
            for (int i = 0; i < required.length; i++) {
              fTree.setChecked(required[i], true);
            }
            saveIncludedBundleState();
            contentChanged();
            updateButtons();
            fTree.update(
                fTargetDefinition.getBundleContainers(),
                new String[] {IBasicPropertyConstants.P_TEXT});
          }
        });

    fPluginModeButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            // Moving from feature based filtering to plug-in based, need to update storage
            ((TargetDefinition) fTargetDefinition).setUIMode(TargetDefinition.MODE_PLUGIN);
            contentChanged();
            fTargetDefinition.setIncluded(null);

            fGroupLabel.setEnabled(true);
            if (fGroupCombo != null) {
              fGroupCombo.setEnabled(true);
            } else {
              fGroupComboPart.getControl().setEnabled(true);
            }

            fTree.getControl().setRedraw(false);
            fTree.refresh(false);
            fTree.expandAll();
            updateCheckState();
            updateButtons();
            fTree.getControl().setRedraw(true);
          }
        });
    fPluginModeButton.setSelection(true);
    GridData gd = new GridData();
    gd.horizontalIndent = 10;
    fPluginModeButton.setLayoutData(gd);

    fFeaureModeButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            // Moving from plug-in based filtering to feature based, need to update storage
            ((TargetDefinition) fTargetDefinition).setUIMode(TargetDefinition.MODE_FEATURE);
            contentChanged();
            fTargetDefinition.setIncluded(null);

            fGroupLabel.setEnabled(false);
            if (fGroupCombo != null) {
              fGroupCombo.setEnabled(false);
            } else {
              fGroupComboPart.getControl().setEnabled(false);
            }

            fTree.getControl().setRedraw(false);
            fTree.refresh(false);
            fTree.expandAll();
            updateCheckState();
            updateButtons();
            fTree.getControl().setRedraw(true);
          }
        });
    fFeaureModeButton.setSelection(false);
    gd = new GridData();
    gd.horizontalIndent = 10;
    fFeaureModeButton.setLayoutData(gd);

    fShowPluginsButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            if (!fShowPluginsButton.getSelection()) {
              fTree.addFilter(fPluginFilter);
            } else {
              fTree.removeFilter(fPluginFilter);
              fTree.expandAll();
              updateCheckState();
            }
            updateButtons();
          }
        });
    fShowPluginsButton.setSelection(true);
    gd = new GridData();
    gd.horizontalIndent = 10;
    fShowPluginsButton.setLayoutData(gd);

    fShowSourceButton.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            if (!fShowSourceButton.getSelection()) {
              fTree.addFilter(fSourceFilter);
            } else {
              fTree.removeFilter(fSourceFilter);
              fTree.expandAll();
              updateCheckState();
            }
            updateButtons();
          }
        });
    fShowSourceButton.setSelection(true);
    gd = new GridData();
    gd.horizontalIndent = 10;
    fShowSourceButton.setLayoutData(gd);
  }