Java Code Examples for org.eclipse.jface.viewers.TreeViewer#setContentProvider()

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
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);
}
 

protected TreeViewer createResourceSelectionTree(Composite composite, int types, int span) {
	TreeViewer tree = new TreeViewer(composite, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
	tree.setUseHashlookup(true);
	tree.setContentProvider(getResourceProvider(types));
	tree.setLabelProvider(
		new DecoratingLabelProvider(
			new WorkbenchLabelProvider(), 
			SVNUIPlugin.getPlugin().getWorkbench().getDecoratorManager().getLabelDecorator()));
	tree.setSorter(new ResourceSorter(ResourceSorter.NAME));
	
	GridData data = new GridData(GridData.FILL_BOTH | GridData.GRAB_VERTICAL);
	data.heightHint = LIST_HEIGHT_HINT;
	data.horizontalSpan = span;
	tree.getControl().setLayoutData(data);
	return tree;
}
 

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;
}
 

private void statisticsTree(Composite parent, String label, boolean forProcesses) {
	DQSystem system = forProcesses ? dqResult.setup.processSystem : dqResult.setup.exchangeSystem;
	if (system == null)
		return;
	UI.formLabel(parent, toolkit, label);
	UI.formLabel(parent, toolkit, "");
	String[] headers = { M.Indicator, M.Coverage };
	TreeViewer viewer = Trees.createViewer(parent, headers);
	viewer.setContentProvider(new ContentProvider(forProcesses));
	viewer.setLabelProvider(new LabelProvider(forProcesses));
	((GridData) viewer.getTree().getLayoutData()).horizontalSpan = 2;
	viewer.setInput(system.indicators);
	Trees.bindColumnWidths(viewer.getTree(), 0.6, 0.4);
}
 

private void createOutline(final Composite viewersComposite) {
    outline = new TreeViewer(viewersComposite);
    outline.getTree().setLayoutData(GridDataFactory.fillDefaults().hint(300,200).create());
    outline.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
    outline.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
    final ViewerFilter[] filters = {new OutlineFilter()};
    outline.setFilters(filters);
    outline.setInput(ModelHelper.getParentProcess((EObject) elementToDisplay.get(0)));
}
 

@Override
protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);

	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	composite.setLayout(layout);
	final GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
	composite.setLayoutData(data);

	getShell().setText(Messages.getString("dialog.WorkspaceDialog.shell"));

	wsTreeViewer = new TreeViewer(composite, SWT.BORDER);
	final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
	gd.widthHint = 550;
	gd.heightHint = 250;
	wsTreeViewer.getTree().setLayoutData(gd);

	wsTreeViewer.setContentProvider(new LocationPageContentProvider());
	wsTreeViewer.setLabelProvider(new WorkbenchLabelProvider());
	wsTreeViewer.setInput(ResourcesPlugin.getWorkspace());

	final Composite group = new Composite(composite, SWT.NONE);
	layout = new GridLayout(2, false);
	layout.marginWidth = 0;
	group.setLayout(layout);
	group.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));

	final Label label = new Label(group, SWT.NONE);
	label.setLayoutData(new GridData());
	label.setText(Messages.getString("dialog.WorkspaceDialog.label"));

	wsFilenameText = new Text(group, SWT.BORDER);
	wsFilenameText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

	setupListeners();

	return parent;
}
 

private Composite createMergeViewer(Composite parent) {
    Composite composite = new Composite(parent, SWT.None);
    composite.setLayout(GridLayoutFactory.fillDefaults().spacing(LayoutConstants.getSpacing().x, 1).create());
    composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

    viewer = new TreeViewer(composite,
            SWT.VIRTUAL | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    viewer.getTree().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    viewer.setUseHashlookup(true);
    ColumnViewerToolTipSupport.enableFor(viewer);
    viewer.getTree().setHeaderVisible(true);
    viewer.getTree().setLinesVisible(true);
    viewer.setContentProvider(new SmartImportBdmTreeContentProvider());

    TableLayout layout = new TableLayout();
    layout.addColumnData(new ColumnWeightData(6, true));
    layout.addColumnData(new ColumnWeightData(2, true));
    viewer.getTree().setLayout(layout);

    createModelColumn();
    createActionColumn();

    IViewerObservableValue singleSelectionObservable = ViewerProperties.singleSelection().observe(viewer);
    viewer.addDoubleClickListener(e -> viewer.setExpandedState(singleSelectionObservable.getValue(),
            !viewer.getExpandedState(singleSelectionObservable.getValue())));
    return composite;
}
 

/**
 * {@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;
}
 

/**
 * Create a new <code>TreeViewer</code>.
 * @param parent
 *            the parent <code>Composite</code>.
 * @return the <code>TreeViewer</code>.
 */
protected TreeViewer createTreeViewer(Composite parent) {
	final TreeViewer viewer = new TreeViewer(parent, SWT.BORDER);
	addListeners(viewer);
	viewer.setLabelProvider(new TreeLableProvider());
	viewer.setContentProvider(new TreeContentProvider());
	return viewer;
}
 

protected void createTreeViewer(Composite container) {
	viewer = new TreeViewer(container, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(viewer.getControl());
	viewer.setContentProvider(new ExampleContentProvider());
	viewer.setLabelProvider(new DelegatingStyledCellLabelProvider(new ExampleLabelProvider()));
	viewer.addSelectionChangedListener(this);
}
 

/**
 * Create a new <code>TreeViewer</code>.
 * @param parent
 *            the parent <code>Composite</code>.
 * @return the <code>TreeViewer</code>.
 */
protected TreeViewer createTreeViewer(Composite parent) {
	final TreeViewer viewer = new TreeViewer(parent, SWT.BORDER);
	addListeners(viewer);
	viewer.setLabelProvider(new TreeLableProvider());
	viewer.setContentProvider(new TreeContentProvider());
	return viewer;
}
 

private void createDataField( )
{
	Composite dataField = new Composite( this, SWT.NONE );
	dataField.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	dataField.setLayout( new GridLayout( ) );

	Label dataLabel = new Label( dataField, SWT.NONE );
	dataLabel.setText( Messages.getString( "GroupsPage.Label.DataField" ) ); //$NON-NLS-1$
	dataFieldsViewer = new TreeViewer( dataField, SWT.SINGLE
			| SWT.H_SCROLL
			| SWT.V_SCROLL
			| SWT.BORDER );
	cubeLabelProvider = getCubeLabelProvider( );
	cubeLabelProvider.setProivderViewer( true );
	dataFieldsViewer.setLabelProvider( cubeLabelProvider );
	dataFieldsViewer.setContentProvider( dataContentProvider );
	dataFieldsViewer.setAutoExpandLevel( 3 );
	GridData gd = new GridData( GridData.FILL_BOTH );
	dataFieldsViewer.getTree( ).setLayoutData( gd );
	( (GridData) dataFieldsViewer.getTree( ).getLayoutData( ) ).heightHint = 250;
	( (GridData) dataFieldsViewer.getTree( ).getLayoutData( ) ).widthHint = 200;
	dataFieldsViewer.addSelectionChangedListener( new ISelectionChangedListener( ) {

		public void selectionChanged( SelectionChangedEvent event )
		{
			updateButtons( );
		}

	} );

	final DragSource fieldsSource = new DragSource( dataFieldsViewer.getTree( ),
			operations );
	fieldsSource.setTransfer( types );
	fieldsSource.addDragListener( new CustomDragListener( dataFieldsViewer ) );

}
 

@Override
protected TreeViewer createViewer(Composite parent) {
	TreeViewer viewer = Trees.createViewer(parent, getLabelProvider());
	viewer.setContentProvider(new ContentProvider((RepositoryClient) viewerParameters[0]));
	return viewer;
}
 

@Override
public Composite createOpeartorEditor(Composite parent,final Operator operator,final Expression sourceExpression) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(GridDataFactory.fillDefaults().grab(true,true).create()) ;
    composite.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0).spacing(0, 5).create());

    final XMLData data = (XMLData) sourceExpression.getReferencedElements().get(0) ;
    String namespace = data.getNamespace() ;
    String element = data.getType();
    XSDRepositoryStore xsdStore = (XSDRepositoryStore) RepositoryManager.getInstance().getRepositoryStore(XSDRepositoryStore.class) ;

    XSDElementDeclaration root = xsdStore.findElementDeclaration(namespace, element);
    final XSDContentProvider provider =   new XSDContentProvider(true) ;
    provider.setElement(root);

    xsdViewer = new TreeViewer(composite);
    xsdViewer.setContentProvider(provider);
    XSDLabelProvider labelProvider = new XSDLabelProvider();
    xsdViewer.setLabelProvider(new DecoratingLabelProvider(labelProvider, labelProvider));
    xsdViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 200).create());
    xsdViewer.setInput(new Object());

    String content = operator.getExpression() ;
    if(content == null){
        content = "" ;
    }
    xsdViewer.setSelection(new StructuredSelection(createTreePath(content, provider)));

    xpathText = new Text(composite, SWT.WRAP | SWT.BORDER);
    xpathText.setLayoutData(GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 40).grab(true, false).create());
    xpathText.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            operator.setExpression(xpathText.getText()) ;
        }
    });


    xsdViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            ITreeSelection selection = (ITreeSelection) xsdViewer.getSelection();
            String xpath = computeXPath(selection, false);
            if(xpath == null || xpath.isEmpty()){
                xpathText.setText(data.getName());
            }else{
                xpathText.setText(xpath);
            }

            xpathText.redraw();
            fireSelectionChange(event) ;
        }
    });
    return composite ;
}
 

/**
 * 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);

    }
}
 

/**
 * Create the composite.
 * 
 * @param parent
 * @param style
 */
public CodeRecommendationResultsView() {
	super(SWT.NONE);
	setBackgroundMode(SWT.INHERIT_FORCE);
	setBackground(SWTResourceManager.getColor(SWT.COLOR_WHITE));
	setLayout(new FillLayout(SWT.HORIZONTAL));

	treeViewer = new TreeViewer(this, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
	treeViewer.setAutoExpandLevel(3);
	Tree tree = treeViewer.getTree();
	tree.setHeaderVisible(true);

	TreeViewerColumn treeViewerColumn = new TreeViewerColumn(treeViewer, SWT.NONE);
	TreeColumn trclmnCodeRecommendations = treeViewerColumn.getColumn();
	trclmnCodeRecommendations.setResizable(false);
	trclmnCodeRecommendations.setText("Code recommendations");

	treeViewer.setContentProvider(contentProvider = new TreeContentProvider());
	treeViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(labelProvider = new TreeLabelProvider()));

	tree.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			TreeItem item = (TreeItem) e.item;
			Object data = item.getData();

			if (data instanceof ICodeRecommendationElement) {
				ICodeRecommendationElement element = (ICodeRecommendationElement) data;
				eventManager.invoke(l -> l.onCodeRecommendationSelected(element));
			}
		}
	});

	treeViewer.addDoubleClickListener(new IDoubleClickListener() {
		@Override
		public void doubleClick(DoubleClickEvent event) {
			TreeViewer viewer = (TreeViewer) event.getViewer();
			IStructuredSelection thisSelection = (IStructuredSelection) event.getSelection();
			Object selectedNode = thisSelection.getFirstElement();
			if (selectedNode instanceof CodeRecommendationTarget) {
				CodeRecommendationTarget target = (CodeRecommendationTarget) selectedNode;

				eventManager.invoke(l -> l.onTargetDoubleClicked(target));
			}
		}
	});

	createContextMenu(treeViewer);
}
 

void createPage1() {
	Composite composite = new Composite(getContainer(), SWT.NONE);
	FillLayout layout = new FillLayout();
	composite.setLayout(layout);
	
	Tree tree = new Tree(composite, SWT.BORDER | SWT.H_SCROLL
			| SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI);
	tree.setHeaderVisible(true);
	tree.setLinesVisible(true);
	TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
	column1.setWidth(250);
	column1.setResizable(true);
	TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
	column2.setWidth(40);
	column2.setResizable(true);
	TreeColumn column3 = new TreeColumn(tree, SWT.LEFT);
	column3.setWidth(250);
	column3.setResizable(true);
	TreeColumn column4 = new TreeColumn(tree, SWT.LEFT);
	column4.setWidth(600);
	column4.setResizable(true);
	
	TreeViewer resultsViewer = new TreeViewer(tree);
	resultsViewer.setLabelProvider(new TSVResultsLabelProvider());
	resultsViewer.setContentProvider(new TSVResultsContentProvider(resultMap));
	resultsViewer.setInput(createModel());
	
	resultsViewer.addDoubleClickListener(new IDoubleClickListener() {
		@Override
		public void doubleClick(DoubleClickEvent event) {
			
			IStructuredSelection structuredSelection = (IStructuredSelection) event.getSelection();
	        if (structuredSelection.isEmpty()) return;

	        Object selection = structuredSelection.getFirstElement();
	        
	        if (selection instanceof TSVResult) {
	        	String fileName = ((TSVResult) selection).getFilename();
	        	int lineNumber = ((TSVResult) selection).getLineNumber();
	        	String extensionName = fileName.replaceAll("-items.xml", "");
	        		
	        	IProject extension = ResourcesPlugin.getWorkspace().getRoot().getProject(extensionName);
	        	IFile itemsxml = extension.getFile("resources/" + fileName);
	        	if (itemsxml.exists()) {
		        	IMarker marker;
		        	try {
						marker = itemsxml.createMarker(IMarker.TEXT);
						HashMap<String, Object> map = new HashMap<String, Object>();
						map.put(IMarker.LINE_NUMBER, lineNumber);
						marker.setAttributes(map);
						IDE.openEditor(getSite().getPage(), marker);
						marker.delete();
					}
		        	catch (CoreException e) {
						e.printStackTrace();
					}
	        	}
	        	else {
	        		MessageBox dialog = new MessageBox(getContainer().getShell(), SWT.ICON_WARNING | SWT.OK);
	        		dialog.setText("Extension not found");
	        		dialog.setMessage("The extension " + extensionName + " was not found in the workspace. Please import it and try again.");
	        		dialog.open();
	        	}
	        }
		}
		
	});

	int index = addPage(composite);
	setPageText(index, "Results");
}
 

protected void createDataModel ( final TreeViewer viewer )
{
    final DataBindingContext dbc = new DataBindingContext ();

    final IObservableFactory listFactory = new IObservableFactory () {

        @Override
        public IObservable createObservable ( final Object target )
        {
            if ( target instanceof IObservableList )
            {
                return (IObservableList)target;
            }

            else if ( target instanceof World )
            {
                return EMFObservables.observeList ( (EObject)target, InfrastructurePackage.Literals.WORLD__NODES );
            }
            else if ( target instanceof SystemNode )
            {
                return EMFObservables.observeList ( (EObject)target, InfrastructurePackage.Literals.SYSTEM_NODE__DRIVERS );
            }

            return null;
        }
    };

    final AdapterFactory adapterFactory = new InfrastructureItemProviderAdapterFactory ();
    final AdapterFactoryLabelProvider labelProvider = new AdapterFactoryLabelProvider ( adapterFactory );

    final ObservableListTreeContentProvider cp = new ObservableListTreeContentProvider ( listFactory, null );
    viewer.setContentProvider ( cp );
    viewer.setLabelProvider ( labelProvider );
    viewer.setInput ( EMFObservables.observeList ( this.world, InfrastructurePackage.Literals.WORLD__NODES ) );

    dbc.bindValue ( ViewersObservables.observeSingleSelection ( viewer ), this.driverValue );
    this.driverValue.addValueChangeListener ( new IValueChangeListener () {

        @Override
        public void handleValueChange ( final ValueChangeEvent event )
        {
            update ();
        }
    } );

    viewer.getControl ().addDisposeListener ( new DisposeListener () {

        @Override
        public void widgetDisposed ( final DisposeEvent e )
        {
            dbc.dispose ();
        }
    } );
}
 

public void createControl(final Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);
		GridLayout gridLayout = new GridLayout();
		gridLayout.marginWidth = 0;
		gridLayout.marginHeight = 0;
		composite.setLayout(gridLayout);
		
		treeViewer = new TreeViewer(composite, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION);
		GridData data = new GridData(GridData.FILL_BOTH);
		Tree tree = treeViewer.getTree();
		tree.setLayoutData(data);
		tree.setHeaderVisible(true);
		
		IUColumnConfig[] columns = getColumnConfig();		
		for (int i = 0; i < columns.length; i++) {
			TreeColumn tc = new TreeColumn(tree, SWT.LEFT, i);
			tc.setResizable(true);
			tc.setText(columns[i].getColumnTitle());
			tc.setWidth(columns[i].getWidthInPixels(tree));
		}
		
		contentProvider = new ProvElementContentProvider();
		treeViewer.setContentProvider(contentProvider);
		labelProvider = new IUDetailsLabelProvider(null, getColumnConfig(), getShell());
		treeViewer.setLabelProvider(labelProvider);
		
		setControl(composite);
		
		final Runnable runnable = new Runnable() {
			public void run() {				
//				updateStatus(input, operation);
				setDrilldownElements(input, operation);
				treeViewer.setInput(input);
			}
		};
		
		if (operation != null && !operation.hasResolved()) {
			try {
				getContainer().run(true, false, new IRunnableWithProgress() {
					public void run(IProgressMonitor monitor) {
						operation.resolveModal(monitor);
						parent.getDisplay().asyncExec(runnable);
					}
				});
			} catch (Exception e) {
				StatusManager.getManager().handle(new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e));
			}
		} else {
			runnable.run();
		}
	}