Java Code Examples for org.eclipse.gef.GraphicalViewer#setContents()

/**
 * {@inheritDoc}
 */
@Override
protected void initializeGraphicalViewer() {
    final GraphicalViewer viewer = getGraphicalViewer();
    viewer.setEditPartFactory(editPartFactory);

    initViewerAction(viewer);
    initDragAndDrop(viewer);

    viewer.setProperty(MouseWheelHandler.KeyGenerator.getKey(SWT.MOD1), MouseWheelZoomHandler.SINGLETON);
    viewer.setProperty(SnapToGrid.PROPERTY_GRID_ENABLED, true);
    viewer.setProperty(SnapToGrid.PROPERTY_GRID_VISIBLE, true);
    viewer.setProperty(SnapToGeometry.PROPERTY_SNAP_ENABLED, true);

    final MenuManager menuMgr = new ERDiagramPopupMenuManager(getActionRegistry(), diagram);

    extensionLoader.addERDiagramPopupMenu(menuMgr, getActionRegistry());

    viewer.setContextMenu(menuMgr);

    viewer.setContents(diagram);

    outlineMenuMgr = new ERDiagramOutlinePopupMenuManager(diagram, getActionRegistry(), outlinePage.getOutlineActionRegistory(), outlinePage.getViewer());
}
 

private static void run(final Display display, final int x) {
    final Shell shell = new Shell(display);
    shell.setBounds(0, 0, 350, 350);

    shell.setLayout(new FillLayout(SWT.VERTICAL));

    // display.syncExec(new Runnable() {
    // public void run() {

    final ERDiagramEditPartFactory editPartFactory = new ERDiagramEditPartFactory();
    final GraphicalViewer viewer = new ScrollingGraphicalViewer();
    viewer.setControl(new FigureCanvas(shell));

    final ScalableFreeformRootEditPart rootEditPart = new PagableFreeformRootEditPart(diagram);
    viewer.setRootEditPart(rootEditPart);

    viewer.setEditPartFactory(editPartFactory);
    viewer.setContents(diagram);

    viewer.getContents().refresh();

    // }
    // });

    shell.pack();
    shell.open();
    int count = 0;
    while (count < x) {
        if (!display.readAndDispatch()) {
            try {
                Thread.sleep(1000);
                count++;
            } catch (final InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
    viewer.getContents().deactivate();
    // display.dispose();
}
 

@Override
protected void prepareERDiagramPopupMenu(final GraphicalViewer viewer) {
    final MenuManager menuMgr = new ERVirtualDiagramPopupMenuManager(getActionRegistry(), vdiagram);
    extensionLoader.addERDiagramPopupMenu(menuMgr, getActionRegistry());
    viewer.setContextMenu(menuMgr);
    viewer.setContents(vdiagram);
}
 

private void setRuler( RulerProvider provider, int orientation )
{
	Object ruler = null;
	if ( isRulerVisible && provider != null )
		// provider.getRuler() might return null (at least the API does not
		// prevent that)
		ruler = provider.getRuler( );

	if ( ruler == null )
	{
		// Ruler is not visible or is not present
		setRulerContainer( null, orientation );
		// Layout right-away to prevent an empty control from showing
		layout( true );
		return;
	}

	GraphicalViewer container = getRulerContainer( orientation );
	if ( container == null )
	{
		container = createRulerContainer( orientation );
		setRulerContainer( container, orientation );
	}
	if ( container.getContents( ) != ruler )
	{
		container.setContents( ruler );
		needToLayout = true;
		Display.getCurrent( ).asyncExec( runnable );
	}
}
 

/**
 * Updates the GEF viewer's contents based on the model.
 * 
 * @param viewer
 *            The GraphicalViewer to update.
 * @param model
 *            The model to use for the Graphical Viewer.
 */
public static void setViewerContents(GraphicalViewer viewer, Grid model) {

	// Sets the actual contents of the viewer as described in the GEF API.
	viewer.setContents(model);

	/* -- Set the viewer's current selection of cells. -- */
	// Here, we need to set the viewer's current selection of EditParts to
	// the currently-selected Cells in the Grid model. This allows us to
	// show the user the Cells that were previously selected. To do this, we
	// need to add all of the EditParts for selected Cells to the viewer's
	// StructuredSelection.

	// Create the object array needed to create the StructuredSelection.
	List<Object> selectionList = new ArrayList<Object>();

	// Add the EditParts for all selected Cells to the ArrayList.
	for (Cell cell : model.getCells()) {
		if (cell.getSelected()) {
			// Get the Cell's EditPart.
			CellEditPart editPart = (CellEditPart) viewer
					.getEditPartRegistry().get(cell);

			// Add the CellEditPart to the array.
			selectionList.add(editPart);
		}
	}

	// Create the StructuredSelection from the array and pass it to viewer.
	viewer.setSelection(new StructuredSelection(selectionList.toArray()));
	/* -------------------------------------------------- */

	return;
}
 

@Override
	protected void initializeGraphicalViewer() {
		GraphicalViewer viewer = this.getGraphicalViewer();
		viewer.setEditPartFactory(editPartFactory);

		this.initViewerAction(viewer);
		this.initDragAndDrop(viewer);

		viewer.setProperty(MouseWheelHandler.KeyGenerator.getKey(SWT.MOD1),
				MouseWheelZoomHandler.SINGLETON);
		viewer.setProperty(SnapToGrid.PROPERTY_GRID_ENABLED, true);
		viewer.setProperty(SnapToGrid.PROPERTY_GRID_VISIBLE, true);
		viewer.setProperty(SnapToGeometry.PROPERTY_SNAP_ENABLED, true);

		MenuManager menuMgr = new ERDiagramOnePopupMenuManager(this.getActionRegistry(), this.model);

		this.extensionLoader.addERDiagramPopupMenu(menuMgr, this.getActionRegistry());

		viewer.setContextMenu(menuMgr);

		viewer.setContents(model);
//		viewer.getRootEditPart().setContents(editPartFactory.);

		this.outlineMenuMgr = new ERDiagramOutlinePopupMenuManager(
				this.diagram, this.getActionRegistry(),
				this.outlinePage.getOutlineActionRegistory(), this.outlinePage.getViewer());

		this.gotoMaker = new ERDiagramGotoMarker(this);
	}
 

/**
 * Creates a GEF Viewer with the specified model and factory.
 * 
 * @param container
 *            The Composite that will contain the viewer.
 * @param model
 *            The model for the viewer.
 * @param factory
 *            The factory used to create the viewer's EditParts.
 */
public static GraphicalViewer createViewer(Composite container, Grid model,
		EditPartFactory factory) {
	// Create the GraphicalViewer. This is fairly standard procedure for
	// GEF.
	// GraphicalViewer viewer = new ScrollingGraphicalViewer();
	// Use this to test re-sizing of window (this viewer does not create
	// scroll bars).
	GraphicalViewer viewer = new GraphicalViewerImpl();
	viewer.setRootEditPart(new SimpleRootEditPart());
	viewer.createControl(container);
	// Pass the custom EditPartFactory and the Grid model to the
	// GraphicalViewer.
	viewer.setEditPartFactory(factory);
	viewer.setContents(model);
	// Set the GraphicalViewer's EditDomain to a default.
	viewer.setEditDomain(new DefaultEditDomain(null));

	/* -- Set the viewer's current selection of cells. -- */
	// Here, we need to set the viewer's current selection of EditParts to
	// the currently-selected Cells in the Grid model. This allows us to
	// show the user the Cells that were previously selected. To do this, we
	// need to add all of the EditParts for selected Cells to the viewer's
	// StructuredSelection.

	// Create the object array needed to create the StructuredSelection.
	List<Object> selectionList = new ArrayList<Object>();

	// Add the EditParts for all selected Cells to the ArrayList.
	for (Cell cell : model.getCells()) {
		if (cell.getSelected()) {
			// Get the Cell's EditPart.
			CellEditPart editPart = (CellEditPart) viewer
					.getEditPartRegistry().get(cell);

			// Add the CellEditPart to the array.
			selectionList.add(editPart);
		}
	}

	// Create the StructuredSelection from the array and pass it to viewer.
	viewer.setSelection(new StructuredSelection(selectionList.toArray()));
	/* -------------------------------------------------- */

	return viewer;
}
 

private static void run(Display display, int x) {
	Shell shell = new Shell(display);
	shell.setBounds(0, 0, 350, 350);

	shell.setLayout(new FillLayout(SWT.VERTICAL));

	// display.syncExec(new Runnable() {
	// public void run() {

	ERDiagramEditPartFactory editPartFactory = new ERDiagramEditPartFactory();
	GraphicalViewer viewer = new ScrollingGraphicalViewer();
	viewer.setControl(new FigureCanvas(shell));

	ScalableFreeformRootEditPart rootEditPart = new PagableFreeformRootEditPart(
			diagram);
	viewer.setRootEditPart(rootEditPart);

	viewer.setEditPartFactory(editPartFactory);
	viewer.setContents(diagram);

	viewer.getContents().refresh();

	// }
	// });

	shell.pack();
	shell.open();
	int count = 0;
	while (count < x) {
		if (!display.readAndDispatch()) {
			try {
				Thread.sleep(1000);
				count++;
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
	viewer.getContents().deactivate();
	// display.dispose();
}