Java ScrollingGraphicalViewer类代码示例

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
public void createPartControl(Composite parent) {
    // Create the viewer
    viewer = new ScrollingGraphicalViewer();
    viewer.setEditDomain(new UrnEditDomain(null));
    viewer.createControl(parent);

    // viewer.addSelectionChangedListener(this);
    // -- getSite().setSelectionProvider(viewer);
    getSite().getPage().addPartListener(this);
    getSite().getPage().addSelectionListener(this);

    // Set root editpart
    root = new ScalableFreeformRootEditPart();
    viewer.setRootEditPart(root);

    // Register the view
    DisplayPreferences.getInstance().registerListener(this);
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
/**
 * Overrides the underlying editor widget to add the date slider to it.
 * @param parent
 */
public void createEditor(Composite parent){
	GraphicalViewer viewer = new ScrollingGraphicalViewer();
	Control control = viewer.createControl(parent);

	if(parent.getLayout() instanceof GridLayout){ 
		GridData gridData = new GridData();
		gridData.horizontalSpan = 2;
		gridData.horizontalAlignment = SWT.FILL;
		gridData.grabExcessHorizontalSpace = true;
		gridData.verticalAlignment = SWT.FILL;
		gridData.grabExcessVerticalSpace = true;
		control.setLayoutData(gridData);
	}

	setGraphicalViewer(viewer);
	configureGraphicalViewer();
	hookGraphicalViewer();
	initializeGraphicalViewer();
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
@Override
public Control construct(Composite parent) {
	Composite content = new Composite(parent, SWT.NONE);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(content);
	GridLayoutFactory.fillDefaults().applyTo(content);

	ScrollingGraphicalViewer viewer = new ScrollingGraphicalViewer();
	viewer.createControl(content);
	viewer.setRootEditPart(new FreeformGraphicalRootEditPart());
	viewer.setEditPartFactory(new CustomEditPartFactory());

	ContainerModel container = new ContainerModel("container-01");
	ComponentModel component1 = new ComponentModel("component-01", 0, 0);
	ComponentModel component2 = new ComponentModel("component-02", 200, 0);
	container.components.add(component1);
	container.components.add(component2);
	viewer.setContents(container);

	return content;
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
/**
 * Configure the graphical viewer before it receives contents.
 * <p>
 * This is the place to choose an appropriate RootEditPart and EditPartFactory for your editor. The RootEditPart determines the behavior of the editor's
 * "work-area". For example, GEF includes zoomable and scrollable root edit parts. The EditPartFactory maps model elements to edit parts (controllers).
 * </p>
 * 
 * @see org.eclipse.gef.ui.parts.GraphicalEditor#configureGraphicalViewer()
 */
protected void configureGraphicalViewer() {
    super.configureGraphicalViewer();

    ScrollingGraphicalViewer viewer = (ScrollingGraphicalViewer) getGraphicalViewer();
    root = new UCMConnectionOnBottomRootEditPart(getParent());

    // zoom management is delegated to us from our parent.
    List zoomLevels = new ArrayList(3);
    zoomLevels.add(ZoomManager.FIT_ALL);
    zoomLevels.add(ZoomManager.FIT_WIDTH);
    zoomLevels.add(ZoomManager.FIT_HEIGHT);
    root.getZoomManager().setZoomLevelContributions(zoomLevels);

    viewer.setRootEditPart(root);

    registerContextMenuProvider(viewer);

    viewer.setEditPartFactory(new GraphicalEditPartFactory((UCMmap) getModel()));
    KeyHandler handler = new GraphicalViewerKeyHandler(viewer).setParent(getCommonKeyHandler());
    viewer.setKeyHandler(handler);
    getEditDomain().getPaletteViewer().setKeyHandler(handler);
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
/**
 * Configure the graphical viewer before it receives contents.
 * <p>
 * This is the place to choose an appropriate RootEditPart and EditPartFactory for your editor. The RootEditPart determines the behavior of the editor's
 * "work-area". For example, GEF includes zoomable and scrollable root edit parts. The EditPartFactory maps model elements to edit parts (controllers).
 * </p>
 * 
 * @see org.eclipse.gef.ui.parts.GraphicalEditor#configureGraphicalViewer()
 */
protected void configureGraphicalViewer() {
    super.configureGraphicalViewer();

    ScrollingGraphicalViewer viewer = (ScrollingGraphicalViewer) getGraphicalViewer();
    // Root editpart that include a zoom manager
    root = new GrlConnectionOnBottomRootEditPart(getParent());

    // zoom management is delegated to us from our parent.
    List zoomLevels = new ArrayList(3);
    zoomLevels.add(ZoomManager.FIT_ALL);
    zoomLevels.add(ZoomManager.FIT_WIDTH);
    zoomLevels.add(ZoomManager.FIT_HEIGHT);
    root.getZoomManager().setZoomLevelContributions(zoomLevels);

    viewer.setRootEditPart(root);

    registerContextMenuProvider(viewer);

    viewer.setEditPartFactory(new GrlGraphicalEditPartFactory((GRLGraph) getModel()));
    KeyHandler handler = new GraphicalViewerKeyHandler(viewer).setParent(getCommonKeyHandler());
    viewer.setKeyHandler(handler);
    getEditDomain().getPaletteViewer().setKeyHandler(handler);

}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
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();
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
public StackedchartsEditControl(Composite parent)
{
  super(parent, SWT.NONE);

  setLayout(new FillLayout());

  editDomain = new EditDomain();

  viewer = new ScrollingGraphicalViewer();

  // connect external Drop support
  // add Dataset to Axis

  viewer.addDropTargetListener(new ProxyDropTargetListener(
      new DatasetToAxisDropTargetListener(viewer),
      new DatasetToAxisLandingDropTargetListener(viewer),
      new ScatterSetToScatterSetContainerTargetListener(viewer),
      new DatasetToChartDropTargetListener(viewer)
      ));

  viewer.createControl(this);
  editDomain.addViewer(viewer);

  viewer.getControl().setBackground(ColorConstants.listBackground);

  viewer.setEditPartFactory(new StackedChartsEditPartFactory());

  // emf edit domain
  adapterFactory =
      new ComposedAdapterFactory(
          ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
  BasicCommandStack commandStack = new BasicCommandStack();
  adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
  adapterFactory.addAdapterFactory(new EcoreItemProviderAdapterFactory());
  adapterFactory
      .addAdapterFactory(new ReflectiveItemProviderAdapterFactory());
  emfEditingDomain =
      new AdapterFactoryEditingDomain(adapterFactory, commandStack);

}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
@Override
public Control construct(Composite parent) {
	Composite content = new Composite(parent, SWT.NONE);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(content);
	Canvas cv = new Canvas(content, SWT.BORDER);
	GridDataFactory.fillDefaults().grab(true, false).hint(SWT.DEFAULT, 20).applyTo(cv);
	GridLayoutFactory.fillDefaults().applyTo(content);
	GraphicalViewer gv = new GraphicalViewerImpl() {
		@Override
		protected void createDefaultRoot() {
			setRootFigure(new CheckBox("Foo bar baz"));
		}
	};
	gv.createControl(content);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(gv.getControl());

	GraphicalViewer gv2 = new ScrollingGraphicalViewer() {
		@Override
		protected void createDefaultRoot() {
			setRootFigure(new CheckBox("Foo2 bar2 baz2"));
		}
	};
	gv2.createControl(content);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(gv2.getControl());

	return content;
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
@Override
public Control construct(Composite parent) {
	Composite content = new Composite(parent, SWT.NONE);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(content);
	GridLayoutFactory.fillDefaults().applyTo(content);

	ScrollingGraphicalViewer viewer = new ScrollingGraphicalViewer();
	viewer.createControl(content);
	viewer.setRootEditPart(new FreeformGraphicalRootEditPart());
	viewer.setEditPartFactory(new SimplePartFactory());
	viewer.setContents(new SimpleModel());

	return content;
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
protected void registerContextMenuProvider(ScrollingGraphicalViewer viewer) {
    ContextMenuProvider provider = new UrnContextMenuProvider(viewer, getActionRegistry());
    viewer.setContextMenu(provider);

    // Bug 381: 3.1: remove extra items from contextual menus
    // getSite().registerContextMenu("seg.jUCMNav.editors.actionContributors.UrnContextMenuProvider", provider, viewer); //$NON-NLS-1$
    menuExtenders = new ArrayList(1);
    PartSite.registerContextMenu("seg.jUCMNav.editors.actionContributors.UrnContextMenuProvider", provider, viewer, true, //$NON-NLS-1$
            this, menuExtenders);
    // bug 531
    if (menuExtenders.get(0) != null) {
        provider.removeMenuListener((IMenuListener) menuExtenders.get(0));

    }
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
/**
 * Creates the viewer for the relations pane.
 *
 * @param inParent
 *            Composite
 * @return GraphicalViewer
 */
public GraphicalViewer createViewer(final Composite inParent) {
	final GraphicalViewer outViewer = new ScrollingGraphicalViewer();
	outViewer.createControl(inParent);

	// configure the viewer
	outViewer.getControl().setBackground(BG_COLOR);
	rootPart = new RelationsRootEditPart();
	outViewer.setRootEditPart(rootPart);

	final KeyHandler lKeyHandler = new BrowserKeyHandler(outViewer);
	lKeyHandler.put(KeyStroke.getPressed(SWT.CONTROL, SWT.NONE), new Action() {
		@Override
		public void run() {
			rootPart.makeMousOverPartClickable(true);
		}
	});
	lKeyHandler.put(KeyStroke.getReleased(SWT.CONTROL, SWT.CONTROL), new Action() {
		@Override
		public void run() {
			rootPart.makeMousOverPartClickable(false);
		}
	});
	outViewer.setKeyHandler(lKeyHandler);

	outViewer.setEditPartFactory(getEditPartFactory());

	return outViewer;
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
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();
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
/**
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run() {

        if (getSelectedObjects().size() < 1)
            return;

        Object obj = getSelectedObjects().get(0);

        if (!(obj instanceof EditPart))
            return;

        ScalableFreeformRootEditPart root = (ScalableFreeformRootEditPart) ((EditPart) obj).getRoot();
        ;
        ScrollingGraphicalViewer viewer = (ScrollingGraphicalViewer) root.getViewer();

        FileDialog dlg = new FileDialog(viewer.getControl().getShell(), SWT.SAVE);

        dlg.setFilterNames(new String[] { "JPEG Files (*.jpg)", "PNG Files (*.png)", "Bitmap Files (*.bmp)" });
        dlg.setFilterExtensions(new String[] { "*.jpg", "*.png", "*.bmp" });

        String fileName = dlg.open();

        if (fileName == null)
            return;

        LayerManager lm = (LayerManager) viewer.getEditPartRegistry().get(LayerManager.ID);
        IFigure figure = lm.getLayer(LayerConstants.PRINTABLE_LAYERS);
//        IFigure backgroundfigure = lm.getLayer(LayerConstants.FEEDBACK_LAYER);

//        Display display = getWorkbenchPart().getSite().getWorkbenchWindow().getWorkbench().getDisplay();

//        Image img = new Image(display, figure.getSize().width, figure.getSize().height);
//        GC gc = new GC(img);
//        SWTGraphics graphics = new SWTGraphics(gc);
//
//        figure.setLocation(new Point(0, 0));
//        backgroundfigure.setLocation(new Point(0, 0));
//        try {
//            root.getZoomManager().setZoom(0.001);
//            figure.paint(graphics);
//            backgroundfigure.paint(graphics);
//        } finally {
//            root.getZoomManager().setZoom(1);
//            figure.paint(graphics);
//            gc.dispose();
//            graphics.dispose();
//        }

        Diagram diagram = (Diagram) ((EditPart) obj).getModel();
        DiagramImageUtil diagramUtil = new DiagramImageUtil(diagram);
        Display.getDefault().syncExec(diagramUtil);
        Image img = diagramUtil.getDiagramImage();
        
        ImageLoader loader = new ImageLoader();
        if (img == null) {
            img = new Image(null, figure.getSize().width, figure.getSize().height);
        }
        loader.data = new ImageData[] { img.getImageData() };
        
        if (fileName.toLowerCase().endsWith("jpg")) {
            loader.save(fileName, SWT.IMAGE_JPEG);
        } else if (fileName.toLowerCase().endsWith("png")) {
            loader.save(fileName, SWT.IMAGE_PNG);
        } else {
            loader.save(fileName, SWT.IMAGE_BMP);
        }
    }
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
/**
 * Override this to enforce that connections can also be selected with a mouse drag marquee selection.
 */
@Override
protected void configureGraphicalViewer() {

  ScrollingGraphicalViewer viewer = (ScrollingGraphicalViewer) getDiagramContainer().getGraphicalViewer();

  ScalableRootEditPartAnimated rootEditPart = new ScalableRootEditPartAnimated(viewer, getConfigurationProvider()) {
    @Override
    protected GridLayer createGridLayer() {
      return new org.eclipse.graphiti.ui.internal.util.draw2d.GridLayer((IConfigurationProviderInternal) getConfigurationProvider());
    }

    @Override
    public DragTracker getDragTracker(Request req) {
      GFMarqueeDragTracker trckr = new GFMarqueeDragTracker(this);
      trckr.setMarqueeBehavior(GFMarqueeSelectionTool.BEHAVIOR_NODES_AND_CONNECTIONS);
      return trckr;
    }
  };

  // configure ZoomManager
  viewer.setRootEditPart(rootEditPart); // support

  // animation of the zoom
  ZoomManager zoomManager = rootEditPart.getZoomManager();
  List<String> zoomLevels = new ArrayList<>(3);
  zoomLevels.add(ZoomManager.FIT_ALL);
  zoomLevels.add(ZoomManager.FIT_WIDTH);
  zoomLevels.add(ZoomManager.FIT_HEIGHT);
  zoomManager.setZoomLevelContributions(zoomLevels);
  IToolBehaviorProvider toolBehaviorProvider = getConfigurationProvider().getDiagramTypeProvider().getCurrentToolBehaviorProvider();
  zoomManager.setZoomLevels(toolBehaviorProvider.getZoomLevels());

  this.initActionRegistry(zoomManager);

  // set the keyhandler.
  viewer.setKeyHandler((new GraphicalViewerKeyHandler(viewer)).setParent(getCommonKeyHandler()));

  // settings for grid and guides
  Diagram diagram = getConfigurationProvider().getDiagram();

  boolean snapToGrid = diagram.isSnapToGrid();
  int horizontalGridUnit = diagram.getGridUnit();
  int verticalGridUnit = diagram.getVerticalGridUnit();
  if (verticalGridUnit == -1) {
    // No vertical grid unit set (or old diagram before 0.8): use
    // vertical grid unit
    verticalGridUnit = horizontalGridUnit;
  }
  boolean gridVisisble = (horizontalGridUnit > 0) && (verticalGridUnit > 0);

  viewer.setProperty(SnapToGrid.PROPERTY_GRID_VISIBLE, new Boolean(gridVisisble));
  viewer.setProperty(SnapToGrid.PROPERTY_GRID_ENABLED, new Boolean(snapToGrid));
  viewer.setProperty(SnapToGrid.PROPERTY_GRID_SPACING, new Dimension(horizontalGridUnit, verticalGridUnit));
  viewer.setProperty(SnapToGeometry.PROPERTY_SNAP_ENABLED, toolBehaviorProvider.isShowGuides());

  // context button manager
  IConfigurationProviderInternal configurationProvider = (IConfigurationProviderInternal) this.getConfigurationProvider();
  configurationProvider.setContextButtonManager(new ContextButtonManagerForPad(this, configurationProvider.getResourceRegistry()));
}
 

import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; //导入依赖的package包/类
public ScrollingGraphicalViewer getViewer() {
	return viewer;
}