Example usage for org.eclipse.jface.viewers TreeViewer setAutoExpandLevel

List of usage examples for org.eclipse.jface.viewers TreeViewer setAutoExpandLevel

  1. HOME
  2. Java
  3. org.eclipse.jface
  4. org.eclipse.jface.viewers.*
  5. TreeViewer
  6. setAutoExpandLevel

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers TreeViewer setAutoExpandLevel.

Prototype

public void setAutoExpandLevel(int level)

Source Link

Document

Sets the auto-expand level to be used when the input of the viewer is set using #setInput(Object) .

Usage

From source file:org.eclipse.jst.jsf.facesconfig.ui.section.ManagedBeanMasterSection.java

License:Open Source License

protected StructuredViewer createViewer(Composite parent, FormToolkit toolkit) {
    Composite treeContainer = toolkit.createComposite(parent);
    toolkit.paintBordersFor(treeContainer);

    GridData gd = new GridData(GridData.FILL_BOTH);
    treeContainer.setLayoutData(gd);//from w  w w  . j  ava2s. c o m
    GridLayout layout = new GridLayout();
    treeContainer.setLayout(layout);

    // Create tree viewer
    TreeViewer treeViewer = new TreeViewer(treeContainer,
            SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
    gd = new GridData(GridData.FILL_BOTH);
    treeViewer.getControl().setLayoutData(gd);

    //Bug 312727 - [JSF2.0] Add view scope to FacesConfigEditor for Managed Beans
    IContentProvider contentProvider = new ManagedBeanContentProvider();
    final IFacesConfigPage page = getPage();
    if (page != null) {
        final IEditorInput input = page.getEditorInput();
        if (input instanceof FileEditorInput) {
            final IFile file = ((FileEditorInput) input).getFile();
            if (file != null) {
                final IProject project = file.getProject();
                if (project != null) {
                    contentProvider = new ManagedBeanContentProvider(project);
                }
            }
        }
    }
    treeViewer.setContentProvider(contentProvider);

    treeViewer.setLabelProvider(new ManagedBeanLabelProvider());
    treeViewer.addSelectionChangedListener(this);

    treeViewer.setAutoExpandLevel(3);
    return treeViewer;
}

From source file:org.eclipse.launchbar.ui.internal.target.NewLaunchTargetWizardNewPage.java

License:Open Source License

/**
 * Create a new FilteredTree in the parent.
 *
 * @param parent the parent <code>Composite</code>.
 * @since 3.0/* www .  j av  a  2s.co m*/
 */
protected FilteredTree createFilteredTree(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    composite.setLayout(layout);
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.widthHint = SIZING_VIEWER_WIDTH;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;
    boolean needsHint = DialogUtil.inRegularFontMode(parent);
    //Only give a height hint if the dialog is going to be too small
    if (needsHint) {
        data.heightHint = SIZING_LISTS_HEIGHT;
    }
    composite.setLayoutData(data);
    filteredTreeFilter = new WizardPatternFilter();
    FilteredTree filterTree = new FilteredTree(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER,
            filteredTreeFilter, true);
    filterTree.setQuickSelectionMode(true);
    final TreeViewer treeViewer = filterTree.getViewer();
    treeViewer.setContentProvider(new WizardContentProvider());
    treeViewer.setLabelProvider(new WorkbenchLabelProvider());
    //treeViewer.setComparator(NewWizardCollectionComparator.INSTANCE);
    treeViewer.addSelectionChangedListener(this);
    ArrayList inputArray = new ArrayList();
    for (int i = 0; i < primaryWizards.length; i++) {
        inputArray.add(primaryWizards[i]);
    }
    boolean expandTop = false;
    // ensure the category is expanded.  If there is a remembered expansion it will be set later.
    if (expandTop) {
        treeViewer.setAutoExpandLevel(2);
    }
    AdaptableList input = new AdaptableList(inputArray);
    treeViewer.setInput(input);
    filterTree.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
    treeViewer.getTree().setFont(parent.getFont());
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            selectionChanged(new SelectionChangedEvent(event.getViewer(), s));
            Object element = s.getFirstElement();
            if (treeViewer.isExpandable(element)) {
                treeViewer.setExpandedState(element, !treeViewer.getExpandedState(element));
            } else if (element instanceof WorkbenchWizardElement) {
                page.advanceToNextPageOrFinish();
            }
        }
    });
    treeViewer.addFilter(filter);
    Dialog.applyDialogFont(filterTree);
    return filterTree;
}

From source file:org.eclipse.linuxtools.gprof.view.GmonViewer.java

License:Open Source License

@Override
protected ColumnViewer createViewer(Composite parent, int style) {
    TreeViewer tv = (TreeViewer) super.createViewer(parent, style);
    tv.setAutoExpandLevel(2);
    return tv;//from  ww w.  j a  v  a 2s . c  o m
}

From source file:org.eclipse.linuxtools.internal.gprof.view.GmonViewer.java

License:Open Source License

@Override
protected TreeViewer createViewer(Composite parent, int style) {
    TreeViewer tv = super.createViewer(parent, style);
    tv.setAutoExpandLevel(2);
    return tv;/* w  w  w.j  av a  2 s .  c  o m*/
}

From source file:org.eclipse.m2m.internal.qvt.oml.editor.ui.quickoutline.QvtOutlineInformationControl.java

License:Open Source License

/**
 * {@inheritDoc}/* www  .  ja  v a  2s .  c o m*/
 */
protected TreeViewer createTreeViewer(Composite parent, int style) {
    Tree tree = new Tree(parent, SWT.SINGLE | (style & ~SWT.MULTI));
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.heightHint = tree.getItemHeight() * 12;
    tree.setLayoutData(gd);

    final TreeViewer treeViewer = new TreeViewer(tree);

    myShowFQNAction = new ShowFQNAction(treeViewer, getDialogSettings());

    myLabelProvider = new OutlineLabelProvider(this);
    treeViewer.setLabelProvider(myLabelProvider);

    myLexicalSortingAction = new LexicalSortingAction(treeViewer, getDialogSettings());

    myOutlineContentProvider = new OutlineContentProvider(this, false);
    treeViewer.setContentProvider(myOutlineContentProvider);
    myOutlineSorter = new OutlineSorter(this);
    treeViewer.setComparator(myOutlineSorter);
    treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);

    treeViewer.getTree().addKeyListener(getKeyAdapter());

    return treeViewer;
}

From source file:org.eclipse.mylyn.internal.commons.repositories.ui.wizards.NewRepositoryWizardNewPage.java

License:Open Source License

/**
 * Create a new FilteredTree in the parent.
 * //from w  w w  .  ja  v  a  2 s.c  o  m
 * @param parent
 *            the parent <code>Composite</code>.
 * @since 3.0
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
protected FilteredTree createFilteredTree(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    composite.setLayout(layout);

    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.widthHint = SIZING_VIEWER_WIDTH;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;

    boolean needsHint = DialogUtil.inRegularFontMode(parent);

    //Only give a height hint if the dialog is going to be too small
    if (needsHint) {
        data.heightHint = SIZING_LISTS_HEIGHT;
    }
    composite.setLayoutData(data);

    filteredTreeFilter = new WizardPatternFilter();
    FilteredTree filterTree = new FilteredTree(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER,
            filteredTreeFilter, true);

    final TreeViewer treeViewer = filterTree.getViewer();
    treeViewer.setContentProvider(new WizardContentProvider());
    treeViewer.setLabelProvider(new WorkbenchLabelProvider());
    treeViewer.setComparator(NewWizardCollectionComparator.INSTANCE);
    treeViewer.addSelectionChangedListener(this);

    ArrayList inputArray = new ArrayList();

    for (IWizardDescriptor primaryWizard : primaryWizards) {
        inputArray.add(primaryWizard);
    }

    boolean expandTop = false;

    if (wizardCategories != null) {
        if (wizardCategories.getParent() == null) {
            IWizardCategory[] children = wizardCategories.getCategories();
            for (IWizardCategory element : children) {
                inputArray.add(element);
            }
        } else {
            expandTop = true;
            inputArray.add(wizardCategories);
        }
    }

    // ensure the category is expanded.  If there is a remembered expansion it will be set later.
    if (expandTop) {
        treeViewer.setAutoExpandLevel(2);
    }

    AdaptableList input = new AdaptableList(inputArray);

    treeViewer.setInput(input);

    filterTree.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

    treeViewer.getTree().setFont(parent.getFont());

    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        /*
         * (non-Javadoc)
         * 
         * @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)
         */
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            selectionChanged(new SelectionChangedEvent(event.getViewer(), s));

            Object element = s.getFirstElement();
            if (treeViewer.isExpandable(element)) {
                treeViewer.setExpandedState(element, !treeViewer.getExpandedState(element));
            } else if (element instanceof WorkbenchWizardElement) {
                page.advanceToNextPageOrFinish();
            }
        }
    });

    treeViewer.addFilter(filter);

    if (projectsOnly) {
        treeViewer.addFilter(projectFilter);
    }

    Dialog.applyDialogFont(filterTree);
    return filterTree;
}

From source file:org.eclipse.mylyn.internal.commons.ui.team.wizards.NewRepositoryWizardNewPage.java

License:Open Source License

/**
 * Create a new FilteredTree in the parent.
 * //  ww w.jav  a 2 s . c o  m
 * @param parent
 *            the parent <code>Composite</code>.
 * @since 3.0
 */
protected FilteredTree createFilteredTree(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    composite.setLayout(layout);

    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.widthHint = SIZING_VIEWER_WIDTH;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;

    boolean needsHint = DialogUtil.inRegularFontMode(parent);

    //Only give a height hint if the dialog is going to be too small
    if (needsHint) {
        data.heightHint = SIZING_LISTS_HEIGHT;
    }
    composite.setLayoutData(data);

    filteredTreeFilter = new WizardPatternFilter();
    FilteredTree filterTree = new FilteredTree(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER,
            filteredTreeFilter, true);

    final TreeViewer treeViewer = filterTree.getViewer();
    treeViewer.setContentProvider(new WizardContentProvider());
    treeViewer.setLabelProvider(new WorkbenchLabelProvider());
    treeViewer.setComparator(NewWizardCollectionComparator.INSTANCE);
    treeViewer.addSelectionChangedListener(this);

    ArrayList inputArray = new ArrayList();

    for (IWizardDescriptor primaryWizard : primaryWizards) {
        inputArray.add(primaryWizard);
    }

    boolean expandTop = false;

    if (wizardCategories != null) {
        if (wizardCategories.getParent() == null) {
            IWizardCategory[] children = wizardCategories.getCategories();
            for (IWizardCategory element : children) {
                inputArray.add(element);
            }
        } else {
            expandTop = true;
            inputArray.add(wizardCategories);
        }
    }

    // ensure the category is expanded.  If there is a remembered expansion it will be set later.
    if (expandTop) {
        treeViewer.setAutoExpandLevel(2);
    }

    AdaptableList input = new AdaptableList(inputArray);

    treeViewer.setInput(input);

    filterTree.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

    treeViewer.getTree().setFont(parent.getFont());

    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        /*
         * (non-Javadoc)
         * 
         * @see org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org.eclipse.jface.viewers.DoubleClickEvent)
         */
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            selectionChanged(new SelectionChangedEvent(event.getViewer(), s));

            Object element = s.getFirstElement();
            if (treeViewer.isExpandable(element)) {
                treeViewer.setExpandedState(element, !treeViewer.getExpandedState(element));
            } else if (element instanceof WorkbenchWizardElement) {
                page.advanceToNextPageOrFinish();
            }
        }
    });

    treeViewer.addFilter(filter);

    if (projectsOnly) {
        treeViewer.addFilter(projectFilter);
    }

    Dialog.applyDialogFont(filterTree);
    return filterTree;
}

From source file:org.eclipse.mylyn.internal.wikitext.ui.editor.MarkupEditorOutline.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    super.createControl(parent);

    TreeViewer viewer = getTreeViewer();
    viewer.setUseHashlookup(true);//from  w  ww.  j a va  2 s  .  c  o  m
    viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
    viewer.setContentProvider(new BaseWorkbenchContentProvider());
    viewer.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider());
    viewer.setInput(editor.getOutlineModel());

    viewer.addOpenListener(new IOpenListener() {
        public void open(OpenEvent event) {
            revealInEditor(event.getSelection(), true);
        }
    });
    viewer.addPostSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            revealInEditor(event.getSelection(), false);
        }
    });
    viewer.expandAll();

    new ToolTip(viewer.getControl(), ToolTip.RECREATE, false) {
        @Override
        protected Composite createToolTipContentArea(Event event, Composite parent) {

            Composite comp = new Composite(parent, SWT.NONE);
            comp.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));

            GridLayout gl = new GridLayout(1, false);
            gl.marginBottom = 2;
            gl.marginTop = 2;
            gl.marginHeight = 0;
            gl.marginWidth = 0;
            gl.marginLeft = 2;
            gl.marginRight = 2;
            gl.verticalSpacing = 1;
            comp.setLayout(gl);

            Object tipItem = getToolTipItem(new Point(event.x, event.y));
            if (tipItem instanceof OutlineItem) {
                OutlineItem outlineItem = (OutlineItem) tipItem;
                Label label = new Label(comp, SWT.WRAP);
                label.setBackground(comp.getBackground());
                label.setText(outlineItem.getTooltip());
            }

            return comp;
        }

        @Override
        protected boolean shouldCreateToolTip(Event event) {
            final Object eventItem = getToolTipItem(new Point(event.x, event.y));
            boolean shouldCreate = eventItem != null && eventItem instanceof OutlineItem
                    && super.shouldCreateToolTip(event);
            if (!shouldCreate) {
                hide();
            }
            return shouldCreate;
        }

        protected Object getToolTipItem(Point point) {
            TreeItem item = ((Tree) getTreeViewer().getControl()).getItem(point);
            if (item != null) {
                return item.getData();
            }
            return null;
        }
    };

    IPageSite site = getSite();
    site.setSelectionProvider(viewer);
    configureActionBars(site);

    MenuManager manager = new MenuManager("#PopUp"); //$NON-NLS-1$
    manager.setRemoveAllWhenShown(true);
    manager.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager menuManager) {
            contextMenuAboutToShow(menuManager);
        }
    });
    viewer.getTree().setMenu(manager.createContextMenu(viewer.getTree()));

    site.registerContextMenu(MarkupEditor.ID + ".outlineContextMenu", manager, viewer); //$NON-NLS-1$

    configureDnd();
    configureActions();
}

From source file:org.eclipse.mylyn.wikitext.ui.editor.DefaultWikiTextSourceEditorOutline.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    super.createControl(parent);

    TreeViewer viewer = getTreeViewer();
    viewer.setUseHashlookup(true);//from ww w  .  java 2 s .  com
    viewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
    viewer.setContentProvider(new BaseWorkbenchContentProvider());
    viewer.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider());
    viewer.setInput(getEditor().getAdapter(OutlineItem.class));

    viewer.addOpenListener(new IOpenListener() {
        public void open(OpenEvent event) {
            revealInEditor(event.getSelection());
        }
    });
    viewer.addPostSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            revealInEditor(event.getSelection());
        }
    });
    viewer.expandAll();

    updateSelectionToMatchEditor();

    new ToolTip(viewer.getControl(), ToolTip.RECREATE, false) {
        @Override
        protected Composite createToolTipContentArea(Event event, Composite parent) {

            Composite comp = new Composite(parent, SWT.NONE);
            comp.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));

            GridLayout gl = new GridLayout(1, false);
            gl.marginBottom = 2;
            gl.marginTop = 2;
            gl.marginHeight = 0;
            gl.marginWidth = 0;
            gl.marginLeft = 2;
            gl.marginRight = 2;
            gl.verticalSpacing = 1;
            comp.setLayout(gl);

            Object tipItem = getToolTipItem(new Point(event.x, event.y));
            if (tipItem instanceof OutlineItem) {
                OutlineItem outlineItem = (OutlineItem) tipItem;
                Label label = new Label(comp, SWT.WRAP);
                label.setBackground(comp.getBackground());
                label.setText(outlineItem.getTooltip());
            }

            return comp;
        }

        @Override
        protected boolean shouldCreateToolTip(Event event) {
            final Object eventItem = getToolTipItem(new Point(event.x, event.y));
            boolean shouldCreate = eventItem != null && eventItem instanceof OutlineItem
                    && super.shouldCreateToolTip(event);
            if (!shouldCreate) {
                hide();
            }
            return shouldCreate;
        }

        protected Object getToolTipItem(Point point) {
            TreeItem item = ((Tree) getTreeViewer().getControl()).getItem(point);
            if (item != null) {
                return item.getData();
            }
            return null;
        }
    };

    MenuManager manager = new MenuManager("#PopUp"); //$NON-NLS-1$
    manager.setRemoveAllWhenShown(true);
    manager.addMenuListener(new IMenuListener() {
        public void menuAboutToShow(IMenuManager menuManager) {
            contextMenuAboutToShow(menuManager);
        }
    });
    viewer.getTree().setMenu(manager.createContextMenu(viewer.getTree()));

}

From source file:org.eclipse.php.internal.ui.actions.newprojectwizard.NewWizardNewPage.java

License:Open Source License

/**
 * Create a new FilteredTree in the parent.
 * //  w  w w . j a  va 2  s .  c  o m
 * @param parent
 *            the parent <code>Composite</code>.
 * @since 3.0
 */
protected FilteredTree createFilteredTree(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    composite.setLayout(layout);

    GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
    data.widthHint = SIZING_VIEWER_WIDTH;
    data.horizontalSpan = 2;
    data.grabExcessHorizontalSpace = true;
    data.grabExcessVerticalSpace = true;

    boolean needsHint = DialogUtil.inRegularFontMode(parent);

    // Only give a height hint if the dialog is going to be too small
    if (needsHint) {
        data.heightHint = SIZING_LISTS_HEIGHT;
    }
    composite.setLayoutData(data);

    filteredTreeFilter = new WizardPatternFilter();
    FilteredTree filterTree = new FilteredTree(composite, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER,
            filteredTreeFilter, true);

    final TreeViewer treeViewer = filterTree.getViewer();
    treeViewer.setContentProvider(new WizardContentProvider());
    treeViewer.setLabelProvider(new WorkbenchLabelProvider());
    treeViewer.addSelectionChangedListener(this);

    ArrayList inputArray = new ArrayList();

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

    if (!projectsOnly) {

        IWizardCategory phpCategory = wizardCategories.findCategory(new Path("org.eclipse.php.project.ui")); //$NON-NLS-1$
        // IWizardCategory[] children = wizardCategories.getCategories();
        // for (int i = 0; i < children.length; i++) {
        // if ("org.eclipse.php.project.ui".equals(children[i].getId())) {
        // phpCategory = children[i];
        // }
        // }
        if (phpCategory != null) {
            IWizardDescriptor[] wizards = phpCategory.getWizards();
            for (int i = 0; i < wizards.length; i++) {
                inputArray.add(wizards[i]);
            }
            inputArray = sortWizard(inputArray);
            IWizardCategory[] categories = phpCategory.getCategories();
            for (int i = 0; i < categories.length; i++) {
                inputArray.add(categories[i]);
            }
            IWizardDescriptor folder = wizardCategories.findWizard("org.eclipse.ui.wizards.new.folder"); //$NON-NLS-1$
            if (folder != null) {
                inputArray.add(folder);
            }
        }
        NewWizardCollectionComparator comparator = NewWizardCollectionComparator.INSTANCE;
        Set set = new HashSet();
        set.addAll(inputArray);
        comparator.setPrimaryWizards(set);
        treeViewer.setComparator(comparator);
    } else {
        NewWizardCollectionComparator comparator = NewWizardCollectionComparator.INSTANCE;
        comparator.setPrimaryWizards(null);
        treeViewer.setComparator(comparator);
    }

    boolean expandTop = false;

    if (wizardCategories != null) {
        if (wizardCategories.getParent() == null) {
            IWizardCategory[] children = wizardCategories.getCategories();
            for (int i = 0; i < children.length; i++) {
                if (!"org.eclipse.php.project.ui".equals(children[i] //$NON-NLS-1$
                        .getId())) {
                    inputArray.add(children[i]);
                }
            }
        } else {
            expandTop = true;
            inputArray.add(wizardCategories);
        }
    }

    // ensure the category is expanded. If there is a remembered expansion
    // it will be set later.
    if (expandTop) {
        treeViewer.setAutoExpandLevel(2);
    }

    AdaptableList input = new AdaptableList(inputArray);

    treeViewer.setInput(input);

    filterTree.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));

    treeViewer.getTree().setFont(parent.getFont());

    treeViewer.addDoubleClickListener(new IDoubleClickListener() {
        /*
         * (non-Javadoc)
         * 
         * @see
         * org.eclipse.jface.viewers.IDoubleClickListener#doubleClick(org
         * .eclipse.jface.viewers.DoubleClickEvent)
         */
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection s = (IStructuredSelection) event.getSelection();
            selectionChanged(new SelectionChangedEvent(event.getViewer(), s));

            Object element = s.getFirstElement();
            if (treeViewer.isExpandable(element)) {
                treeViewer.setExpandedState(element, !treeViewer.getExpandedState(element));
            } else if (element instanceof WorkbenchWizardElement) {
                page.advanceToNextPageOrFinish();
            }
        }
    });

    treeViewer.addFilter(filter);

    if (projectsOnly) {
        treeViewer.addFilter(projectFilter);
    }

    Dialog.applyDialogFont(filterTree);
    return filterTree;
}