下面列出了org.eclipse.jface.viewers.TreeViewer#addFilter ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
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);
treeViewer.addFilter(new NamePatternFilter());
treeViewer.setContentProvider(contentProvider);
filterAndSorter.setComparator(comparator);
contentProvider.setFilterAndSorter(filterAndSorter);
treeViewer.setLabelProvider(labelProvider);
treeViewer.setAutoExpandLevel(2);
return treeViewer;
}
/**
* Creates tree viewer to manage content
*
* @param parent
* parent control
*/
private void createTreeViewer(Composite parent) {
int style = SWT.H_SCROLL | SWT.V_SCROLL;
// Create the tree
Tree widget = new Tree(parent, style);
// Configure the layout
GridData data = new GridData(GridData.FILL_BOTH);
data.heightHint = widget.getItemHeight() * 12;
widget.setLayoutData(data);
treeViewer = new TreeViewer(widget);
namePatternFilter = new QuickOutlineNamePatternFilter();
treeViewer.addFilter(namePatternFilter);
treeContentProvider = getContentProvider();
treeViewer.setContentProvider(treeContentProvider);
treeLabelProvider = getLabelProvider();
treeViewer.setLabelProvider(treeLabelProvider);
treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
treeViewer.setUseHashlookup(true);
treeViewer.setInput(getInitialInput());
}
@Override
public void configureDropDownViewer(TreeViewer viewer, Object input) {
viewer.setContentProvider(createDropDownContentProvider());
viewer.setLabelProvider(createDropDownLabelProvider());
viewer.setComparator(new JavaElementComparator());
viewer.addFilter(new ViewerFilter() {
@Override
public boolean select(Viewer viewer1, Object parentElement, Object element) {
if (element instanceof IMember) {
if (((IMember) element).getElementName().startsWith("<")) { //$NON-NLS-1$
// filter out <clinit>
return false;
}
}
return true;
}
});
if (SHOW_LIBRARIES_NODE)
viewer.addFilter(new EmptyLibraryContainerFilter());
JavaUIHelp.setHelp(viewer, IJavaHelpContextIds.JAVA_EDITOR_BREADCRUMB);
}
/**
* Should we hide things?
*/
protected void setActionEnabled(boolean enableAction) {
BaseOutlinePage p = this.page.get();
if (p != null) {
p.getStore().setValue(preference, enableAction);
if (filter == null) {
filter = createFilter();
}
TreeViewer treeViewer = p.getTreeViewer();
if (treeViewer != null) {
if (enableAction) {
treeViewer.addFilter(filter);
} else {
treeViewer.removeFilter(filter);
}
}
}
}
protected void createMappingTree(final Composite listComposite) {
mappingTree = new TreeViewer(listComposite, SWT.BORDER | SWT.FULL_SELECTION | SWT.SINGLE | SWT.V_SCROLL);
mappingTree.getTree().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
mappingTree.setContentProvider(new AdapterFactoryContentProvider(adapterFactory) {
@Override
public Object[] getElements(final Object object) {
if (object instanceof Collection) {
return ((Collection) object).toArray();
}
return super.getElements(object);
}
});
mappingTree.setLabelProvider(new ActorMappingStyledTreeLabelProvider(adapterFactory, deployedOrganization));
mappingTree.addSelectionChangedListener(this);
mappingTree.addDoubleClickListener(this);
mappingTree.addFilter(new ViewerFilter() {
@Override
public boolean select(final Viewer viewer, final Object parentElement, final Object element) {
return (element instanceof String || element instanceof MembershipType)
|| ((ITreeContentProvider) mappingTree.getContentProvider()).hasChildren(element);
}
});
}
private TreeViewer createQueryViewer(Composite parent) {
TreeViewer queryViewer = new TreeViewer(parent,
SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.SINGLE);
queryViewer.getTree()
.setLayoutData(GridDataFactory.fillDefaults().grab(false, true).hint(300, SWT.DEFAULT).create());
queryViewer.getTree().setData(SWTBotConstants.SWTBOT_WIDGET_ID_KEY, QUERY_LIST_VIEWER_ID);
formPage.getToolkit().adapt(queryViewer.getTree());
ColumnViewerToolTipSupport.enableFor(queryViewer);
queryViewer.setUseHashlookup(true);
queryViewer.addFilter(createSearchFilter());
queryViewer.addDoubleClickListener(e -> {
queryViewer.setExpandedState(querySelectedObservable.getValue(),
!viewer.getExpandedState(querySelectedObservable.getValue()));
});
TableLayout layout = new TableLayout();
layout.addColumnData(new ColumnWeightData(1, true));
queryViewer.getTree().setLayout(layout);
createQueryNameColumn(queryViewer);
provider = new QueryContentProvider();
queryViewer.setContentProvider(provider);
return queryViewer;
}
protected void createViewer(Composite parent, AbstractBdmFormPage formPage) {
viewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
viewer.getTree().setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(true, true).create());
formPage.getToolkit().adapt(viewer.getTree());
viewer.getTree().setData(SWTBotConstants.SWTBOT_WIDGET_ID_KEY, BUSINESS_OBJECT_LIST_VIEWER_ID);
viewer.addFilter(createSearchFilter());
viewer.addDoubleClickListener(e -> {
viewer.setExpandedState(selectionObservable.getValue(),
!viewer.getExpandedState(selectionObservable.getValue()));
});
ColumnViewerToolTipSupport.enableFor(viewer);
TableLayout layout = new TableLayout();
layout.addColumnData(new ColumnWeightData(1, true));
viewer.getTree().setLayout(layout);
viewer.setUseHashlookup(true);
createBusinessObjectColumn(viewer, formPage);
viewer.setContentProvider(new BusinessObjectTreeContentProvider());
viewer.setComparator(new BusinessObjectViewerComparator());
viewer.setInput(input);
addDNDSupport(formPage);
selectionObservable = ViewerProperties.singleSelection(Object.class).observe(viewer);
}
@Override
protected Control createDialogArea(Composite parent) {
CustomElementSelectionForm form = new CustomElementSelectionForm(parent, SWT.FILL);
form.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
TreeViewer v = form.getTreeViewer();
for (ViewerFilter filter : filters) {
v.addFilter(filter);
}
this.treeViewer = v;
WorkbenchContentProvider contentProvider = new WorkbenchContentProvider();
ILabelProvider labelProvider = new WorkbenchLabelProvider();
this.treeViewer.setContentProvider(contentProvider);
this.treeViewer.setLabelProvider(labelProvider);
this.treeViewer.setComparator(new ViewerComparator());
this.treeViewer.setAutoExpandLevel(this.getAutoExpandLevel());
form.setElementLabel(this.elementLabel);
this.elementNameInput = form.getElementInput();
form.getElementInput().addPropertyChangeListener(new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().equals(SuffixText.TEXT_PROPERTY) ||
evt.getPropertyName().equals(SuffixText.SUFFIX_PROPERTY)) {
validateElementInput();
elementInputChanged();
}
}
});
return form;
}
/**
* {@inheritDoc}
*/
@Override
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 OutlineTreeViewer(tree);
// Hard-coded filters
treeViewer.addFilter(new NamePatternFilter());
treeViewer.addFilter(new MemberFilter());
fInnerLabelProvider= new OutlineLabelProvider();
fInnerLabelProvider.addLabelDecorator(new ProblemsLabelDecorator(null));
IDecoratorManager decoratorMgr= PlatformUI.getWorkbench().getDecoratorManager();
if (decoratorMgr.getEnabled("org.eclipse.jdt.ui.override.decorator")) //$NON-NLS-1$
fInnerLabelProvider.addLabelDecorator(new OverrideIndicatorLabelDecorator(null));
treeViewer.setLabelProvider(new ColoringLabelProvider(fInnerLabelProvider));
fLexicalSortingAction= new LexicalSortingAction(treeViewer);
fSortByDefiningTypeAction= new SortByDefiningTypeAction(treeViewer);
fShowOnlyMainTypeAction= new ShowOnlyMainTypeAction(treeViewer);
fCategoryFilterActionGroup= new CategoryFilterActionGroup(treeViewer, getId(), getInputForCategories());
fOutlineContentProvider= new OutlineContentProvider(false);
treeViewer.setContentProvider(fOutlineContentProvider);
fOutlineSorter= new OutlineSorter();
treeViewer.setComparator(fOutlineSorter);
treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
treeViewer.getTree().addKeyListener(getKeyAdapter());
return treeViewer;
}
public Control createControl(Composite parent) {
fPackageViewer= new TreeViewer(parent, SWT.MULTI);
fPackageViewer.setComparer(WorkingSetModel.COMPARER);
fPackageViewer.addFilter(new PackageFilter());
fPackageViewer.setComparator(new ExtendedJavaElementSorter());
fPackageViewer.addDoubleClickListener(new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
Object element= ((IStructuredSelection)event.getSelection()).getFirstElement();
if (fPackageViewer.isExpandable(element)) {
fPackageViewer.setExpandedState(element, !fPackageViewer.getExpandedState(element));
} else {
if (element instanceof CPListElementAttribute) {
CPListElementAttribute attribute= (CPListElementAttribute)element;
if (attribute.getKey().equals(CPListElement.OUTPUT)) {
fActionGroup.getEditOutputFolderAction().run();
}
}
}
}
});
MenuManager menuMgr= new MenuManager("#PopupMenu"); //$NON-NLS-1$
menuMgr.setRemoveAllWhenShown(true);
menuMgr.addMenuListener(this);
fContextMenu= menuMgr.createContextMenu(fPackageViewer.getTree());
fPackageViewer.getTree().setMenu(fContextMenu);
parent.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
fContextMenu.dispose();
}
});
return fPackageViewer.getControl();
}
/**
* {@inheritDoc}
*/
@Override
protected void configureTree(TreeViewer tree) {
tree.setContentProvider(new JavaWorkingSetPageContentProvider());
AppearanceAwareLabelProvider javaElementLabelProvider=
new AppearanceAwareLabelProvider(
AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS | JavaElementLabels.P_COMPRESSED,
AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS | JavaElementImageProvider.SMALL_ICONS
);
tree.setLabelProvider(new DecoratingJavaLabelProvider(javaElementLabelProvider));
tree.setComparator(new JavaElementComparator());
tree.addFilter(new EmptyInnerPackageFilter());
tree.setInput(JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()));
if (getSelection() == null)
return;
Object[] selection= getInitialTreeSelection();
if (selection.length > 0) {
try {
tree.getTree().setRedraw(false);
for (int i= 0; i < selection.length; i++) {
tree.expandToLevel(selection[i], 0);
}
tree.setSelection(new StructuredSelection(selection));
} finally {
tree.getTree().setRedraw(true);
}
}
}
@Override
protected Control createDialogArea(Composite parent) {
Control composite = super.createDialogArea(parent);
if (composite instanceof Composite) {
updateCompositeLayout((Composite) composite);
}
TreeViewer treeViewer = getTreeViewer();
treeViewer.addFilter(new ViewerFilter() {
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
return matchItemToShowInTree(element);
}
});
treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
treeViewer.expandAll();
if (this.initialFilter.length() > 0) {
this.text.setText(this.initialFilter);
this.text.setSelection(this.initialFilter.length());
this.setFilter(this.initialFilter, new NullProgressMonitor(), true);
}
notifyViewCreated();
onControlCreated.call(this.text);
onControlCreated.call(this.getTreeViewer());
return composite;
}
private void addFilters(final TreeViewer treeViewer) {
treeViewer.addFilter(new DatatypesViewFilter());
treeViewer.addFilter(new DecisionTableViewFilter());
treeViewer.addFilter(new TextAnnotationAttachmentViewFilter());
treeViewer.addFilter(new EmptyExpressionViewFilter());
treeViewer.addFilter(new EmptySearchIndexViewFilter());
treeViewer.addFilter(new EmptyOperationViewFilter());
treeViewer.addFilter(new EmptyContractInputMappingViewerFilter());
treeViewer.addFilter(new MainProcessFormMappingViewerFilter());
}
private void createProcessTreeControl(final EMFDataBindingContext dbc, final Composite parent) {
final Label label = new Label(parent, SWT.NONE);
label.setLayoutData(GridDataFactory.swtDefaults().span(2, 1).create());
label.setText(Messages.chooseTargetStepOrProcess);
final TreeViewer processTreeViewer = new FilteredTree(parent, SWT.BORDER | SWT.SINGLE, new PatternFilter(), true).getViewer();
processTreeViewer.getControl().getParent().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).span(2, 1).hint(SWT.DEFAULT, 300).create());
processTreeViewer.setLabelProvider(new ElementLabelProvider(adapterFactory));
processTreeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
processTreeViewer.addFilter(new ConnectableElementViewerFilter(sourceProcess));
processTreeViewer.setInput(ModelHelper.getMainProcess(sourceProcess));
processTreeViewer.expandAll();
dbc.bindValue(ViewersObservables.observeSingleSelection(processTreeViewer), targetLocationObservable,
updateValueStrategy().withValidator(selectionValidator()).create(), null);
}
/**
* Creates the control ie. creates all the stuff that matters and
* is visible in the outline.
*
* Actions must be created before menus and toolbars.
*
* @param parent
*/
public void createControl(Composite parent) {
super.createControl(parent);
// create the context actions
createActions();
// initialize the tree viewer
TreeViewer viewer = getTreeViewer();
filter = new TexOutlineFilter();
viewer.setContentProvider(new TexContentProvider(filter));
viewer.setLabelProvider(new TexLabelProvider());
viewer.setComparer(new TexOutlineNodeComparer());
// get and apply the preferences
this.getOutlinePreferences();
viewer.addFilter(filter);
// set the selection listener
viewer.addSelectionChangedListener(this);
// enable drag'n'drop support
TexOutlineDNDAdapter dndAdapter = new TexOutlineDNDAdapter(viewer, this);
int ops = DND.DROP_COPY | DND.DROP_MOVE;
Transfer[] transfers = new Transfer[] {TextTransfer.getInstance()};
viewer.addDragSupport(ops, transfers, dndAdapter);
viewer.addDropSupport(ops, transfers, dndAdapter);
// enable copy-paste
initCopyPaste(viewer);
// create the menu bar and the context menu
createToolbar();
resetToolbarButtons();
createContextMenu();
// finally set the input
if (this.input != null) {
viewer.setInput(this.input.getRootNodes());
// set update button status and also the context actions
outlineActions.get(ACTION_UPDATE).setEnabled(false);
outlineActions.get(ACTION_COPY).setEnabled(true);
outlineActions.get(ACTION_CUT).setEnabled(true);
outlineActions.get(ACTION_PASTE).setEnabled(true);
outlineActions.get(ACTION_DELETE).setEnabled(true);
}
}
public void createControl(Composite parent) {
Composite outerContainer = new Composite(parent,SWT.NONE);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
outerContainer.setLayout(layout);
outerContainer.setLayoutData(
new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));
treeViewer = new TreeViewer(outerContainer, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.BORDER);
RepositoryContentProvider contentProvider = new RepositoryContentProvider();
treeViewer.setContentProvider(contentProvider);
treeViewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
treeViewer.setLabelProvider(new WorkbenchLabelProvider());
treeViewer.setInput(repositoryLocation);
GridData data = new GridData(GridData.FILL_BOTH | GridData.GRAB_VERTICAL);
data.heightHint = LIST_HEIGHT_HINT;
data.widthHint = LIST_WIDTH_HINT;
treeViewer.getControl().setLayoutData(data);
treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
CheckoutWizard wizard = (CheckoutWizard)getWizard();
ArrayList folderArray = new ArrayList();
IStructuredSelection selection = (IStructuredSelection)treeViewer.getSelection();
Iterator iter = selection.iterator();
while (iter.hasNext()) {
Object object = iter.next();
if (object instanceof ISVNRemoteFolder || object instanceof ISVNRepositoryLocation) {
if (object instanceof ISVNRepositoryLocation) folderArray.add(((ISVNRepositoryLocation)object).getRootFolder());
else folderArray.add(object);
}
}
ISVNRemoteFolder[] remoteFolders = new ISVNRemoteFolder[folderArray.size()];
folderArray.toArray(remoteFolders);
wizard.setRemoteFolders(remoteFolders);
setPageComplete(!treeViewer.getSelection().isEmpty());
}
});
final Action refreshAction = new Action(Policy.bind("RepositoriesView.refreshPopup"), SVNUIPlugin.getPlugin().getImageDescriptor(ISVNUIConstants.IMG_REFRESH)) { //$NON-NLS-1$
public void run() {
refreshViewerNode();
}
};
MenuManager menuMgr = new MenuManager();
Tree tree = treeViewer.getTree();
Menu menu = menuMgr.createContextMenu(tree);
menuMgr.addMenuListener(new IMenuListener() {
public void menuAboutToShow(IMenuManager manager) {
manager.add(refreshAction);
}
});
menuMgr.setRemoveAllWhenShown(true);
tree.setMenu(menu);
setMessage(Policy.bind("CheckoutWizardSelectionPage.text")); //$NON-NLS-1$
setControl(outerContainer);
}
/**
* Creates the UI part of the page.
*
* @param parent the parent of the created widgets
*/
public void createControl(Composite parent) {
Composite composite = createComposite(parent, 1);
// set F1 help
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.MOVE_RENAME_REMOTE_RESOURCE_PAGE);
Listener listener = new Listener() {
public void handleEvent(Event event) {
resourceName = resourceNameText.getText();
validateFields();
}
};
// the text field for the parent folder
createLabel(composite, Policy.bind("MoveRemoteResourceWizardMainPage.selectParentUrl")); //$NON-NLS-1$
urlParentText = createTextField(composite);
urlParentText.addListener(SWT.Selection, listener);
urlParentText.addListener(SWT.Modify, listener);
urlParentText.setEditable(false);
// Create drill down.
DrillDownComposite drillDown = new DrillDownComposite(composite, SWT.BORDER);
GridData spec = new GridData(GridData.FILL_BOTH);
spec.widthHint = LIST_WIDTH;
spec.heightHint = LIST_HEIGHT;
drillDown.setLayoutData(spec);
// Create tree viewer inside drill down.
viewer = new TreeViewer(drillDown, SWT.H_SCROLL | SWT.V_SCROLL);
drillDown.setChildTree(viewer);
viewer.setLabelProvider(new WorkbenchLabelProvider());
viewer.setContentProvider(new RemoteContentProvider());
viewer.setInput(new AllRootsElement());
viewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
viewer.addSelectionChangedListener(treeSelectionChangedListener);
// the text field for the resource name
createLabel(composite, Policy.bind("MoveRemoteResourceWizardMainPage.resourceName")); //$NON-NLS-1$
resourceNameText = createTextField(composite);
resourceNameText.addListener(SWT.Selection, listener);
resourceNameText.addListener(SWT.Modify, listener);
resourceNameText.setText(resourceName);
validateFields();
resourceNameText.setFocus();
setControl(composite);
// set the initial selection in the tree
if (parentFolder != null) {
Object toSelect = null;
if (parentFolder.getParent() == null) {
// the root folder : select the repository
toSelect = parentFolder.getRepository();
}
else
toSelect = parentFolder;
viewer.expandToLevel(toSelect,0);
viewer.setSelection(new StructuredSelection(toSelect),true);
}
}
/**
* Creates the UI part of the page.
*
* @param parent the parent of the created widgets
*/
public void createControl(Composite parent) {
Composite composite = createComposite(parent, 1);
// set F1 help
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.CREATE_REMOTE_FOLDER_PAGE);
Listener listener = new Listener() {
public void handleEvent(Event event) {
validateFields();
}
};
// the text field for the parent folder
createLabel(composite, Policy.bind("NewRemoteFolderWizardMainPage.selectParentUrl")); //$NON-NLS-1$
urlParentText = createTextField(composite);
urlParentText.addListener(SWT.Selection, listener);
urlParentText.addListener(SWT.Modify, listener);
urlParentText.setEditable(false);
// Create drill down.
DrillDownComposite drillDown = new DrillDownComposite(composite, SWT.BORDER);
GridData spec = new GridData(GridData.FILL_BOTH);
spec.widthHint = LIST_WIDTH;
spec.heightHint = LIST_HEIGHT;
drillDown.setLayoutData(spec);
// Create tree viewer inside drill down.
viewer = new TreeViewer(drillDown, SWT.H_SCROLL | SWT.V_SCROLL);
drillDown.setChildTree(viewer);
viewer.setLabelProvider(new WorkbenchLabelProvider());
RemoteContentProvider remoteContentProvider = new RemoteContentProvider();
remoteContentProvider.setUseDeferredContentManager(false);
viewer.setContentProvider(remoteContentProvider);
viewer.setInput(new AllRootsElement());
viewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
viewer.addSelectionChangedListener(treeSelectionChangedListener);
// the text field for the folder name
createLabel(composite, Policy.bind("NewRemoteFolderWizardMainPage.folderName")); //$NON-NLS-1$
folderNameText = createTextField(composite);
folderNameText.addListener(SWT.Selection, listener);
folderNameText.addListener(SWT.Modify, listener);
validateFields();
folderNameText.setFocus();
setControl(composite);
// set the initial selection in the tree
if (parentFolder != null) {
List itemsToExpand = new ArrayList();
ISVNRemoteFolder remoteParent = parentFolder.getParent();
while (remoteParent != null) {
if (remoteParent.getParent() == null) itemsToExpand.add(0, remoteParent.getRepository());
else itemsToExpand.add(0, remoteParent);
remoteParent = remoteParent.getParent();
}
viewer.setExpandedElements(itemsToExpand.toArray());
if (parentFolder.getParent() == null) viewer.setSelection(new StructuredSelection(parentFolder.getRepository()), true);
else viewer.setSelection(new StructuredSelection(parentFolder), true);
}
}
private void createTree(Composite parent) {
Label label= new Label(parent, SWT.NONE);
label.setLayoutData(new GridData(SWT.LEAD, SWT.CENTER, false, false));
label.setText(WorkingSetMessages.JavaWorkingSetPage_workspace_content);
fTree= new TreeViewer(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI);
fTree.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
fTree.addFilter(new AddedElementsFilter());
fTree.setUseHashlookup(true);
configureTree(fTree);
fTreeContentProvider= (ITreeContentProvider) fTree.getContentProvider();
}