org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider Java Examples

public static IBaseLabelProvider getPostQualifiedLabelProvider() {
	return new DelegatingStyledCellLabelProvider(new JavaElementLabelProvider(
			JavaElementLabelProvider.SHOW_POST_QUALIFIED | JavaElementLabelProvider.SHOW_SMALL_ICONS)) {
		@Override
		protected StyledString getStyledText(Object element) {
			String nameWithQualifier = getStyledStringProvider().getStyledText(element).getString() + " ";
			int separatorIndex = nameWithQualifier.indexOf('-');

			if (separatorIndex == -1)
				return new StyledString(nameWithQualifier);

			StyledString name = new StyledString(nameWithQualifier.substring(0, separatorIndex));
			String qualifier = nameWithQualifier.substring(separatorIndex);
			return name.append(new StyledString(qualifier, StyledString.QUALIFIER_STYLER));
		};
	};
}
 

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);
}
 

public static DelegatingStyledCellLabelProvider createLangLabelProvider() {
	StructureElementLabelProvider labelProvider = LangUIPlugin_Actual.getStructureElementLabelProvider();
	// We wrap the base LabelProvider with a DelegatingStyledCellLabelProvider because for some reason
	// that prevents flicker problems when changing selection in Windows classic themes
	// Might not be necessary in the future.
	return new DelegatingStyledCellLabelProvider(labelProvider);
}
 

@Override
protected Control createContents(final Composite parent) {
	this.setSize(new Point(600, 600));

	final BuiltInLibrariesLabelProvider labelProvider = new BuiltInLibrariesLabelProvider(projectExplorerhelper);
	final Composite control = new Composite(parent, NONE);
	control.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).create());
	control.setLayoutData(fillDefaults().align(FILL, FILL).create());

	viewer = new TreeViewerBuilder(singletonList(""), contentProvider.get())
			.setVirtual(true)
			.setHeaderVisible(false)
			.setUseHashlookup(true)
			.setHasBorder(true)
			.setColumnWeights(asList(1))
			.setLabelProvider(new DelegatingStyledCellLabelProvider(labelProvider))
			.build(control);

	setViewerInput();

	final Composite subComposite = new Composite(control, NONE);
	subComposite.setLayout(GridLayoutFactory.fillDefaults().create());
	subComposite.setLayoutData(fillDefaults().align(END, TOP).create());

	final Button install = createEnabledPushButton(subComposite, "Install npm...",
			"Runs 'npm install' with the given package and version. Uses 'yarn add' in a yarn workspace.",
			new InstallNpmDependencyButtonListener(this::updateLocations,
					libManager, validatorHelper, semverHelper, statusHelper, this::getSelectedNodeModulesURI));

	final Button uninstall = createEnabledPushButton(subComposite, "Uninstall npm...",
			"Runs 'npm uninstall' with the given package and version. Uses 'yarn remove' in a yarn workspace.",
			new UninstallNpmDependencyButtonListener(this::updateLocations,
					libManager, validatorHelper, statusHelper, this::getSelectedNpm));

	createPlaceHolderLabel(subComposite);

	createPlaceHolderLabel(subComposite);

	createEnabledPushButton(subComposite, "Re-Build node_modules",
			"Cleans the type information from the IDE and then re-build the type information of all node_modules.",
			new RereigsterAllNpmsButtonListener(this::reregisterNpms, statusHelper));

	createEnabledPushButton(subComposite, "Clean node_modules",
			"Runs 'npm clean' on all node_modules folders. Uses 'yarn clean' in a yarn workspace.",
			new CleanAllNpmsButtonListener(this::cleanNpms, statusHelper));

	viewer.addSelectionChangedListener(new ISelectionChangedListener() {

		@Override
		public void selectionChanged(final /* @Nullable */ SelectionChangedEvent event) {
			install.setEnabled(false);
			uninstall.setEnabled(false);

			Object selectedItem = getSelectedItem();
			if (selectedItem instanceof SafeURI) {
				install.setEnabled(true);
			}
			if (selectedItem instanceof IN4JSProject) {
				uninstall.setEnabled(true);
			}
		}
	});

	control.requestLayout();

	return control;
}
 

/**
 * 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);
}
 

@Override
protected IBaseLabelProvider createHierarchyLabelProvider() {
	return new DelegatingStyledCellLabelProvider(hierarchyLabelProvider);
}
 

@Override
protected IBaseLabelProvider createHierarchyLabelProvider() {
	return new DelegatingStyledCellLabelProvider(hierarchyLabelProvider);
}
 

/**
 * {@inheritDoc}
 */
public void createControl(Composite parent) {
	fForm= new ViewForm(parent, SWT.BORDER | SWT.FLAT);
	fForm.marginWidth= 0;
	fForm.marginHeight= 0;

	fLabel= new CLabel(fForm, SWT.NONE);
	fLabel.setText(RefactoringMessages.ReferencesInBinaryStatusContextViewer_title);
	fForm.setTopLeft(fLabel);

	Composite composite= new Composite(fForm, SWT.NONE);
	composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	GridLayout layout= new GridLayout(1, false);
	layout.marginWidth= 0;
	layout.marginHeight= 0;
	composite.setLayout(layout);


	fTreeViewer= new TreeViewer(composite, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
	final AppearanceAwareLabelProvider labelProvider= new AppearanceAwareLabelProvider();
	fTreeViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(labelProvider));
	fTreeViewer.setComparator(new ViewerComparator() {
		private Collator fCollator= Collator.getInstance();
		@Override
		public int compare(Viewer viewer, Object e1, Object e2) {
			String l1= labelProvider.getText(e1);
			String l2= labelProvider.getText(e2);
			return fCollator.compare(l1, l2);
		}
	});
	fTreeViewer.getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	fButton= new Button(composite, SWT.PUSH);
	fButton.setText(RefactoringMessages.ReferencesInBinaryStatusContextViewer_show_as_search_button);
	GridData layoutData= new GridData(SWT.BEGINNING, SWT.CENTER, false, false);
	layoutData.widthHint= SWTUtil.getButtonWidthHint(fButton);
	fButton.setLayoutData(layoutData);
	fButton.addSelectionListener(new SelectionAdapter() {
		@Override
		public void widgetSelected(SelectionEvent e) {
			fillInSearchView();
		}
	});
	fButton.setEnabled(false);

	fForm.setContent(composite);

	Dialog.applyDialogFont(parent);
}
 

public void createControl( Composite parent )
{
	container = new Composite( parent, SWT.NONE );
	GridLayout layout = new GridLayout( );
	layout.marginWidth = layout.marginHeight = 0;
	container.setLayout( layout );
	title = new TabbedPropertyTitle( container,
			FormWidgetFactory.getInstance( ) );
	title.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );

	title.setActions( new Action[]{
			new GroupSortingAction( ),
			new AlphabeticSortingAction( ),
			new LocalModelAction( )
	} );

	Composite viewerContainer = new Composite( container, SWT.NONE );
	layout = new GridLayout( );
	layout.marginWidth = 10;
	layout.marginHeight = 3;
	viewerContainer.setLayout( layout );
	viewerContainer.setLayoutData( new GridData( GridData.FILL_BOTH ) );

	viewer = new CustomTreeViewer( viewerContainer, SWT.FULL_SELECTION );
	tableTree = viewer.getTree( );
	tableTree.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	tableTree.setHeaderVisible( true );
	tableTree.setLinesVisible( true );

	viewer.setContentProvider( provider );

	TreeViewerColumn tvc1 = new TreeViewerColumn( viewer, SWT.NONE );
	tvc1.getColumn( ).setText( COLUMN_TITLE_PROPERTY );
	tvc1.getColumn( ).setWidth( 300 );
	tvc1.setLabelProvider( new DelegatingStyledCellLabelProvider( new ReportPropertySheetNameLabelProvider( ) ) );

	TreeViewerColumn tvc2 = new TreeViewerColumn( viewer, SWT.NONE );
	tvc2.getColumn( ).setText( COLUMN_TITLE_VALUE );
	tvc2.getColumn( ).setWidth( 400 );
	tvc2.setLabelProvider( new DelegatingStyledCellLabelProvider( new ReportPropertySheetValueLabelProvider( ) ) );

	AlphabeticallyViewSorter sorter = new AlphabeticallyViewSorter( );
	sorter.setAscending( true );
	viewer.setSorter( sorter );

	hookControl( );

	// create a new table tree editor
	tableTreeEditor = new TreeEditor( tableTree );

	// create the editor listener
	createEditorListener( );

	handleGlobalAction( );

	// suport the mediator
	SessionHandleAdapter.getInstance( )
			.getMediator( moduleHandle )
			.addColleague( this );

	FormWidgetFactory.getInstance( ).paintFormStyle( parent );
	FormWidgetFactory.getInstance( ).adapt( parent );

	IWorkbenchPage page = getSite( ).getPage( );

	MementoBuilder builder = new MementoBuilder( );
	if ( ( propertySheetMemento = builder.getRootMemento( )
			.getChild( IPageLayout.ID_PROP_SHEET ) ) == null )
	{
		propertySheetMemento = builder.getRootMemento( )
				.createChild( IPageLayout.ID_PROP_SHEET,
						MementoElement.Type_View );
	}

	if ( ( viewerMemento = propertySheetMemento.getChild( propertyViewerID ) ) == null )
	{
		viewerMemento = propertySheetMemento.createChild( propertyViewerID,
				MementoElement.Type_Viewer );
	}

	page.addSelectionListener( this );
	// handleSelectionChanged( page.getSelection( ) );
}
 

public Control createControl( Composite parent )
{
	container = new Composite( parent, SWT.NONE );
	GridLayout layout = UIUtil.createGridLayoutWithoutMargin( 1, false );
	layout.marginTop = 2;
	layout.marginWidth = layout.marginBottom = 1;
	container.setLayout( layout );
	container.setLayoutData( new GridData( GridData.FILL_BOTH ) );

	initSortingType( );

	viewer = new CustomTreeViewer( container, SWT.FULL_SELECTION );

	tableTree = viewer.getTree( );
	GridData gd = new GridData( GridData.FILL_BOTH );
	tableTree.setLayoutData( gd );
	tableTree.setHeaderVisible( true );
	tableTree.setLinesVisible( true );

	viewer.setContentProvider( provider.getContentProvier( ) );

	TreeViewerColumn tvc1 = new TreeViewerColumn( viewer, SWT.NONE );
	tvc1.getColumn( ).setText( COLUMN_TITLE_PROPERTY );
	tvc1.getColumn( ).setWidth( 300 );
	tvc1.setLabelProvider( new DelegatingStyledCellLabelProvider( provider.getNameLabelProvier( ) ) );

	TreeViewerColumn tvc2 = new TreeViewerColumn( viewer, SWT.NONE );
	tvc2.getColumn( ).setText( COLUMN_TITLE_VALUE );
	tvc2.getColumn( ).setWidth( 400 );
	tvc2.setLabelProvider( new DelegatingStyledCellLabelProvider( provider.getValueLabelProvier( ) ) );

	AlphabeticallyViewSorter sorter = new AlphabeticallyViewSorter( );
	sorter.setAscending( true );
	viewer.setSorter( sorter );

	hookControl( );

	// create a new table tree editor
	tableTreeEditor = new TreeEditor( tableTree );

	// create the editor listener
	createEditorListener( );

	MementoBuilder builder = new MementoBuilder( );
	if ( ( propertySheetMemento = builder.getRootMemento( )
			.getChild( IPageLayout.ID_PROP_SHEET ) ) == null )
	{
		propertySheetMemento = builder.getRootMemento( )
				.createChild( IPageLayout.ID_PROP_SHEET,
						MementoElement.Type_View );
	}

	if ( ( viewerMemento = propertySheetMemento.getChild( propertyViewerID ) ) == null )
	{
		viewerMemento = propertySheetMemento.createChild( propertyViewerID,
				MementoElement.Type_Viewer );
	}

	return container;
}
 

private Composite createTree(Composite parent) {
    final Composite fileTreeGroup = new Composite(parent, SWT.NONE);
    fileTreeGroup.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).margins(0, 5).create());
    fileTreeGroup.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

    viewer = new TreeViewer(fileTreeGroup,
            SWT.VIRTUAL | SWT.MULTI | SWT.V_SCROLL | SWT.H_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    viewer.getTree().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(600, SWT.DEFAULT).create());
    provider = new ArchiveTreeContentProvider(viewer);
    viewer.setContentProvider(provider);
    viewer.setUseHashlookup(true); // important for lazy behavior!
    viewer.getTree().setHeaderVisible(true);
    viewer.getTree().setLinesVisible(true);
    final TableLayout layout = new TableLayout();
    layout.addColumnData(new ColumnWeightData(6, true));
    layout.addColumnData(new ColumnWeightData(2, true));
    viewer.getTree().setLayout(layout);
    ColumnViewerToolTipSupport.enableFor(viewer);

    final TreeViewerColumn archiveColumn = new TreeViewerColumn(viewer, SWT.NONE);
    archiveColumn.getColumn().setText(Messages.archiveColumn);
    archiveColumn.setLabelProvider(new DelegatingStyledCellLabelProvider(new ImportModelLabelProvider(
            new ImportModelStyler())));

    final TreeViewerColumn actionColumn = new TreeViewerColumn(viewer, SWT.NONE);
    actionColumn.getColumn().setText(Messages.actionColumn);
    actionColumn.setLabelProvider(new LabelProviderBuilder<>()
            .withTextProvider(this::getActionText)
            .createColumnLabelProvider());
    actionColumn.setEditingSupport(new ImportActionEditingSupport(viewer));

    final Composite buttonsComposite = new Composite(fileTreeGroup, SWT.NONE);
    buttonsComposite.setLayout(GridLayoutFactory.fillDefaults().spacing(5, 2).create());
    buttonsComposite.setLayoutData(
            GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.TOP).create());

    importActionSelector = new ImportActionSelector(viewer);
    overwriteButton = new ButtonWidget.Builder()
            .withLabel(Messages.overwriteAll)
            .alignLeft()
            .fill()
            .grabHorizontalSpace()
            .minimumWidth(BUTTON_WIDTH)
            .onClick(importActionSelector::selectOverwriteAll)
            .createIn(buttonsComposite);
    overwriteButton.disable();

    keepAllButton = new ButtonWidget.Builder()
            .withLabel(Messages.keepAll)
            .alignLeft()
            .fill()
            .minimumWidth(BUTTON_WIDTH)
            .grabHorizontalSpace()
            .onClick(importActionSelector::selectKeepAll)
            .createIn(buttonsComposite);
    keepAllButton.disable();

    return fileTreeGroup;
}