org.eclipse.ui.IWorkbenchPartSite#setSelectionProvider ( )源码实例Demo

public UnansweredDocumentsView(Composite parent, IWorkbenchPartSite site,
        Supplier<Questionnaire> questionnaireSupplier, Supplier<IProject> projectSupplier) {
    this.questionnaireSupplier = questionnaireSupplier;
    this.projectSupplier = projectSupplier;

    incompleteDocumentsLabel = new Label(parent, 0);
    incompleteDocumentsLabel.setText(TEMPLATE_ANSWERS_COMPLETE);
    incompleteDocumentsLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false, 2, 1));

    incompleteDocumentsList = new ListViewer(parent, SWT.V_SCROLL);
    GridData gd = new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false, 2, 1);
    gd.heightHint = (int) (((org.eclipse.swt.widgets.List) incompleteDocumentsList.getControl()).getItemHeight()
            * 4);
    gd.widthHint = 300;
    incompleteDocumentsList.getControl().setLayoutData(gd);
    incompleteDocumentsList.getControl().setVisible(false);
    incompleteDocumentsList.setSorter(new ViewerSorter());
    incompleteDocumentsList.setContentProvider(ArrayContentProvider.getInstance());
    incompleteDocumentsList.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            return ((Document) element).getKey();
        }
    });
    site.setSelectionProvider(incompleteDocumentsList);
}
 

public StyledTextSelectionListener(IWorkbenchPartSite site, StyledText widget,
		ISelectionProvider selectionProviderOnFocusGain) {
	super(site, selectionProviderOnFocusGain, widget);
	site.setSelectionProvider(selectionProviderOnFocusGain);
	widget.addFocusListener(this);
	widget.addDisposeListener(this);
}
 

@Override
public void createPartControl(Composite parent) {
    IViewSite viewSite = getViewSite();
    if (viewSite != null) {
        configureToolBar(viewSite);
    }

    parent.setLayout(new GridLayout(1, true));

    viewer = new TreeViewer(parent);
    provider = createContentProvider();
    viewer.setContentProvider(provider);
    viewer.setLabelProvider(new PyDebugModelPresentation(false));

    GridDataFactory.fillDefaults().grab(true, true).applyTo(viewer.getTree());

    MenuManager menuManager = new MenuManager();
    Menu menu = menuManager.createContextMenu(viewer.getTree());
    viewer.getTree().setMenu(menu);
    IWorkbenchPartSite site = getSite();
    site.registerContextMenu(menuManager, viewer);
    site.setSelectionProvider(viewer);

    this.parent = parent;

    listener = createListener();
    if (listener != null) {
        DebugPlugin plugin = DebugPlugin.getDefault();

        ILaunchManager launchManager = plugin.getLaunchManager();
        launchManager.addLaunchListener(listener);

        plugin.addDebugEventListener(listener);
    }
}
 

public void contributeTo ( final IWorkbenchPartSite site )
{
    site.setSelectionProvider ( this.viewer );
    hookContextMenu ( site );
}
 

@Override
public void createPartControl(Composite parent) {

	final PerformanceStats stats= PerformanceStats.getStats(PERF_CREATE_PART_CONTROL, this);
	stats.startRun();

	fViewer= createViewer(parent);
	fViewer.setUseHashlookup(true);

	initDragAndDrop();

	setProviders();

	JavaPlugin.getDefault().getPreferenceStore().addPropertyChangeListener(this);


	MenuManager menuMgr= new MenuManager("#PopupMenu"); //$NON-NLS-1$
	menuMgr.setRemoveAllWhenShown(true);
	menuMgr.addMenuListener(this);
	fContextMenu= menuMgr.createContextMenu(fViewer.getTree());
	fViewer.getTree().setMenu(fContextMenu);

	// Register viewer with site. This must be done before making the actions.
	IWorkbenchPartSite site= getSite();
	site.registerContextMenu(menuMgr, fViewer);
	site.setSelectionProvider(fViewer);

	makeActions(); // call before registering for selection changes

	// Set input after filter and sorter has been set. This avoids resorting and refiltering.
	restoreFilterAndSorter();
	fViewer.setInput(findInputElement());
	initFrameActions();
	initKeyListener();

	fViewer.addDoubleClickListener(new IDoubleClickListener() {
		public void doubleClick(DoubleClickEvent event) {
			fActionSet.handleDoubleClick(event);
		}
	});

	fOpenAndLinkWithEditorHelper= new OpenAndLinkWithEditorHelper(fViewer) {
		@Override
		protected void activate(ISelection selection) {
			try {
				final Object selectedElement= SelectionUtil.getSingleElement(selection);
				if (EditorUtility.isOpenInEditor(selectedElement) != null)
					EditorUtility.openInEditor(selectedElement, true);
			} catch (PartInitException ex) {
				// ignore if no editor input can be found
			}
		}

		@Override
		protected void linkToEditor(ISelection selection) {
			PackageExplorerPart.this.linkToEditor(selection);
		}

		@Override
		protected void open(ISelection selection, boolean activate) {
			fActionSet.handleOpen(selection, activate);
		}

	};

	IStatusLineManager slManager= getViewSite().getActionBars().getStatusLineManager();
	fViewer.addSelectionChangedListener(new StatusBarUpdater(slManager));
	fViewer.addTreeListener(fExpansionListener);

	// Set help for the view
	JavaUIHelp.setHelp(fViewer, IJavaHelpContextIds.PACKAGES_VIEW);

	fillActionBars();

	updateTitle();

	fFilterUpdater= new FilterUpdater(fViewer);
	ResourcesPlugin.getWorkspace().addResourceChangeListener(fFilterUpdater);

	// Sync'ing the package explorer has to be done here. It can't be done
	// when restoring the link state since the package explorers input isn't
	// set yet.
	setLinkingEnabled(isLinkingEnabled());

	stats.endRun();
}