Java Code Examples for org.netbeans.api.visual.widget.Widget#setPreferredLocation()

public void layoutNodesLocations( PageFlowScene scene, Collection<Page> nodes) {
    final Collection<Page> allNodes = scene.getNodes();
    for( Page node : nodes ) {
        final Widget nodeWidget = scene.findWidget(node);
        
        if( nodeWidget == null ) {
            return;
        } 

        if ( nodeWidget.getPreferredLocation() != null ) {
            /* If the getPreferredLocation has already been set by something else. */
            /* The unique ID for a node is it's display name defined by: node.getDisplayName() */
            positions.put(node.getDisplayName(), nodeWidget.getPreferredLocation());
        } else  {
            Point point = positions.get(node.getDisplayName());
            if ( point == null ) {
                point = getNewComponentLocation(scene, positions, allNodes);
            }
            positions.put(node.getDisplayName(), point);
            nodeWidget.setPreferredLocation(point);
        }
    }
    
}
 

/**
 * Should be called to set a new resolved preferred location of a node.
 * @param graph the universal graph
 * @param node the node with resolved location
 * @param newPreferredLocation the new resolved location
 */
protected final void setResolvedNodeLocation (UniversalGraph<N,E> graph, N node, Point newPreferredLocation) {
    ObjectScene scene = graph.getScene ();

    Widget widget = scene.findWidget (node);
    if (widget == null)
        return;

    Point previousPreferredLocation = widget.getPreferredLocation ();

    if (animated)
        scene.getSceneAnimator ().animatePreferredLocation (widget, newPreferredLocation);
    else
        widget.setPreferredLocation (newPreferredLocation);

    GraphLayoutListener<N,E>[] listeners = createListenersCopy ();

    for (GraphLayoutListener<N,E> listener : listeners)
        listener.nodeLocationChanged (graph, node, previousPreferredLocation, newPreferredLocation);
}
 

private void finish() {
    for (GraphNode n : scene.getNodes()) {
        NodeWidget w = getWidget(n);
        Widget wid = scene.findWidget(n);
        Point point = new Point();
        point.setLocation(w.locX, w.locY);
        if (scene.isAnimated()) {
            scene.getSceneAnimator().animatePreferredLocation(wid, point);
        } else {
            wid.setPreferredLocation(point);
        }
    }
}
 

public void stateChanged(ChangeEvent e) {
    Point p = DiagramScene.this.getScrollPane().getViewport().getViewPosition();
    if (oldPosition == null || !p.equals(oldPosition)) {
        for (Widget w : relativePositions.keySet()) {
            Point curPoint = relativePositions.get(w);
            Point newPoint = new Point(p.x + curPoint.x, p.y + curPoint.y);
            w.setPreferredLocation(newPoint);
            DiagramScene.this.validate();
        }
        oldPosition = p;
    }
}
 

public void stateChanged(ChangeEvent e) {
    Point p = DiagramScene.this.getScrollPane().getViewport().getViewPosition();
    if (oldPosition == null || !p.equals(oldPosition)) {
        for (Widget w : relativePositions.keySet()) {
            Point curPoint = relativePositions.get(w);
            Point newPoint = new Point(p.x + curPoint.x, p.y + curPoint.y);
            w.setPreferredLocation(newPoint);
            DiagramScene.this.validate();
        }
        oldPosition = p;
    }
}
 

public void setNewLocation(Widget widget, Point location) {
    Point originalLocation = getOriginalLocation(widget);
    int xOffset = location.x - originalLocation.x;
    int yOffset = location.y - originalLocation.y;
    for (Widget w : this.selection) {
        Point p = new Point(w.getPreferredLocation());
        p.translate(xOffset, yOffset);
        w.setPreferredLocation(p);
    }

}
 

public void testShow () {
    Scene scene = new Scene ();
    
    LayerWidget mainLayer = new LayerWidget (scene);
    scene.addChild(mainLayer);
    
    Widget w1 = new Widget (scene);
    w1.setBorder (BorderFactory.createLineBorder ());
    w1.setPreferredLocation (new Point (100, 100));
    w1.setPreferredSize (new Dimension (40, 20));
    mainLayer.addChild(w1);
    
    Widget w2 = new Widget (scene);
    w2.setBorder (BorderFactory.createLineBorder ());
    w2.setPreferredLocation (new Point (200, 100));
    w2.setPreferredSize (new Dimension (40, 20));
    mainLayer.addChild(w2);
    
    LayerWidget connLayer = new LayerWidget (scene);
    scene.addChild(connLayer);
    
    ConnectionWidget conn = new ConnectionWidget(scene);
    conn.setSourceAnchor(AnchorFactory.createRectangularAnchor(w1));
    conn.setTargetAnchor(AnchorFactory.createRectangularAnchor(w2));
    connLayer.addChild(conn);
    
    Color color = (Color) (new DefaultLookFeel()).getBackground();
    assertScene (scene, color,
            new Rectangle (99, 99, 42, 22),
            new Rectangle (199, 99, 42, 22),
            new Rectangle (138, 108, 64, 4)
    );
}
 

protected void tick (double progress) {
    for (Map.Entry<Widget, Point> entry : targetLocations.entrySet ()) {
        Widget widget = entry.getKey ();
        Point sourceLocation = sourceLocations.get (widget);
        if (sourceLocation == null) {
            sourceLocation = widget.getPreferredLocation ();
            if (sourceLocation == null) {
                sourceLocation = widget.getLocation ();
                if (sourceLocation == null) {
                    sourceLocation = new Point ();
                }
            }
            sourceLocations.put (widget, sourceLocation);
        }
        Point targetLocation = entry.getValue ();
        if (targetLocation == null)
            continue;
        Point point;
        if (progress >= 1.0)
            point = targetLocation;
        else
            point = new Point (
                    (int) (sourceLocation.x + progress * (targetLocation.x - sourceLocation.x)),
                    (int) (sourceLocation.y + progress * (targetLocation.y - sourceLocation.y)));
        widget.setPreferredLocation (point);
    }
    if (progress >= 1.0) {
        sourceLocations.clear ();
        targetLocations.clear ();
    }
}
 

public void stateChanged(ChangeEvent e) {
    Point p = DiagramScene.this.getScrollPane().getViewport().getViewPosition();
    if (oldPosition == null || !p.equals(oldPosition)) {
        for (Widget w : relativePositions.keySet()) {
            Point curPoint = relativePositions.get(w);
            Point newPoint = new Point(p.x + curPoint.x, p.y + curPoint.y);
            w.setPreferredLocation(newPoint);
            DiagramScene.this.validate();
        }
        oldPosition = p;
    }
}
 

public void setNewLocation(Widget widget, Point location) {
    if (selection.contains(widget)) {
        // move entire selection
        Point originalLocation = getOriginalLocation(widget);
        int xOffset = location.x - originalLocation.x;
        int yOffset = location.y - originalLocation.y;
        for (Widget w : selection) {
            Point p = new Point(w.getPreferredLocation());
            p.translate(xOffset, yOffset);
            w.setPreferredLocation(p);
        }
    } else {
        widget.setPreferredLocation(location);
    }
}
 

public void setNewLocation(Widget widget, Point location) {
    Point originalLocation = getOriginalLocation(widget);
    int xOffset = location.x - originalLocation.x;
    int yOffset = location.y - originalLocation.y;
    for (Widget w : this.selection) {
        Point p = new Point(w.getPreferredLocation());
        p.translate(xOffset, yOffset);
        w.setPreferredLocation(p);
    }

}
 

public void setNewLocation(Widget widget, Point location) {
    Point originalLocation = getOriginalLocation(widget);
    int xOffset = location.x - originalLocation.x;
    int yOffset = location.y - originalLocation.y;
    for (Widget w : this.selection) {
        Point p = new Point(w.getPreferredLocation());
        p.translate(xOffset, yOffset);
        w.setPreferredLocation(p);
    }

}
 

public void stateChanged(ChangeEvent e) {
    Point p = DiagramScene.this.getScrollPane().getViewport().getViewPosition();
    if (oldPosition == null || !p.equals(oldPosition)) {
        for (Widget w : relativePositions.keySet()) {
            Point curPoint = relativePositions.get(w);
            Point newPoint = new Point(p.x + curPoint.x, p.y + curPoint.y);
            w.setPreferredLocation(newPoint);
            DiagramScene.this.validate();
        }
        oldPosition = p;
    }
}
 

public DiagramScene(Action[] actions, Action[] actionsWithSelection, DiagramViewModel model) {

        this.actions = actions;
        this.actionsWithSelection = actionsWithSelection;

        content = new InstanceContent();
        lookup = new AbstractLookup(content);

        this.setCheckClipping(true);

        scrollPane = createScrollPane();

        hoverAction = createObjectHoverAction();

        // This panAction handles the event only when the left mouse button is
        // pressed without any modifier keys, otherwise it will not consume it
        // and the selection action (below) will handle the event
        panAction = new CustomizablePanAction(~0, MouseEvent.BUTTON1_DOWN_MASK);
        this.getActions().addAction(panAction);

        selectAction = createSelectAction();
        this.getActions().addAction(selectAction);

        blockLayer = new LayerWidget(this);
        this.addChild(blockLayer);

        connectionLayer = new LayerWidget(this);
        this.addChild(connectionLayer);

        mainLayer = new LayerWidget(this);
        this.addChild(mainLayer);

        topLeft = new Widget(this);
        topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
        this.addChild(topLeft);

        bottomRight = new Widget(this);
        bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
        this.addChild(bottomRight);

        LayerWidget selectionLayer = new LayerWidget(this);
        this.addChild(selectionLayer);

        this.setLayout(LayoutFactory.createAbsoluteLayout());

        this.getInputBindings().setZoomActionModifiers(KeyEvent.CTRL_MASK);
        zoomAction = ActionFactory.createMouseCenteredZoomAction(1.2);
        this.getActions().addAction(zoomAction);
        this.getView().addMouseWheelListener(mouseWheelListener);
        this.getActions().addAction(ActionFactory.createPopupMenuAction(popupMenuProvider));

        this.getActions().addAction(ActionFactory.createWheelPanAction());

        LayerWidget selectLayer = new LayerWidget(this);
        this.addChild(selectLayer);
        this.getActions().addAction(ActionFactory.createRectangularSelectAction(rectangularSelectDecorator, selectLayer, rectangularSelectProvider));

        boolean b = this.getUndoRedoEnabled();
        this.setUndoRedoEnabled(false);
        this.setNewModel(model);
        this.setUndoRedoEnabled(b);
        this.addObjectSceneListener(selectionChangedListener, ObjectSceneEventType.OBJECT_SELECTION_CHANGED, ObjectSceneEventType.OBJECT_HIGHLIGHTING_CHANGED, ObjectSceneEventType.OBJECT_HOVER_CHANGED);
    }
 

public DiagramScene(Action[] actions, DiagramViewModel model) {
    this.actions = actions;
    selectedWidgets = new ArrayList<FigureWidget>();
    content = new InstanceContent();
    lookup = new AbstractLookup(content);
    this.setCheckClipping(true);
    this.getInputBindings().setZoomActionModifiers(0);

    JComponent comp = this.createView();
    comp.setDoubleBuffered(true);
    comp.setBackground(Color.WHITE);
    comp.setOpaque(true);

    this.setBackground(Color.WHITE);
    this.setOpaque(true);
    scrollPane = new JScrollPane(comp);
    scrollPane.setBackground(Color.WHITE);
    scrollPane.getVerticalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getVerticalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getHorizontalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getHorizontalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getViewport().addChangeListener(scrollChangeListener);
    hoverAction = this.createWidgetHoverAction();

    blockLayer = new LayerWidget(this);
    this.addChild(blockLayer);

    startLayer = new LayerWidget(this);
    this.addChild(startLayer);
    // TODO: String startLabelString = "Loading graph with " + originalDiagram.getFigures().size() + " figures and " + originalDiagram.getConnections().size() + " connections...";
    String startLabelString = "";
    LabelWidget w = new LabelWidget(this, startLabelString);
    scrollChangeListener.register(w, new Point(10, 10));
    w.setAlignment(LabelWidget.Alignment.CENTER);
    startLabel = w;
    startLayer.addChild(w);

    mainLayer = new LayerWidget(this);
    this.addChild(mainLayer);

    topLeft = new Widget(this);
    topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(topLeft);


    bottomRight = new Widget(this);
    bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(bottomRight);

    slotLayer = new LayerWidget(this);
    this.addChild(slotLayer);

    connectionLayer = new LayerWidget(this);
    this.addChild(connectionLayer);

    LayerWidget selectionLayer = new LayerWidget(this);
    this.addChild(selectionLayer);

    this.setLayout(LayoutFactory.createAbsoluteLayout());

    this.getActions().addAction(hoverAction);
    zoomAction = new BoundedZoomAction(1.1, false);
    zoomAction.setMaxFactor(ZOOM_MAX_FACTOR);
    zoomAction.setMinFactor(ZOOM_MIN_FACTOR);
    this.getActions().addAction(ActionFactory.createMouseCenteredZoomAction(1.1));
    panAction = new ExtendedPanAction();
    this.getActions().addAction(panAction);
    this.getActions().addAction(ActionFactory.createPopupMenuAction(popupMenuProvider));

    LayerWidget selectLayer = new LayerWidget(this);
    this.addChild(selectLayer);
    this.getActions().addAction(ActionFactory.createRectangularSelectAction(rectangularSelectDecorator, selectLayer, rectangularSelectProvider));

    blockWidgets = new HashMap<InputBlock, BlockWidget>();

    boolean b = this.getUndoRedoEnabled();
    this.setUndoRedoEnabled(false);
    this.setNewModel(model);
    this.setUndoRedoEnabled(b);
}
 

public DiagramScene(Action[] actions, DiagramViewModel model) {
    this.actions = actions;
    selectedWidgets = new ArrayList<FigureWidget>();
    content = new InstanceContent();
    lookup = new AbstractLookup(content);
    this.setCheckClipping(true);
    this.getInputBindings().setZoomActionModifiers(0);

    JComponent comp = this.createView();
    comp.setDoubleBuffered(true);
    comp.setBackground(Color.WHITE);
    comp.setOpaque(true);

    this.setBackground(Color.WHITE);
    this.setOpaque(true);
    scrollPane = new JScrollPane(comp);
    scrollPane.setBackground(Color.WHITE);
    scrollPane.getVerticalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getVerticalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getHorizontalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getHorizontalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getViewport().addChangeListener(scrollChangeListener);
    hoverAction = this.createWidgetHoverAction();

    blockLayer = new LayerWidget(this);
    this.addChild(blockLayer);

    startLayer = new LayerWidget(this);
    this.addChild(startLayer);
    // TODO: String startLabelString = "Loading graph with " + originalDiagram.getFigures().size() + " figures and " + originalDiagram.getConnections().size() + " connections...";
    String startLabelString = "";
    LabelWidget w = new LabelWidget(this, startLabelString);
    scrollChangeListener.register(w, new Point(10, 10));
    w.setAlignment(LabelWidget.Alignment.CENTER);
    startLabel = w;
    startLayer.addChild(w);

    mainLayer = new LayerWidget(this);
    this.addChild(mainLayer);

    topLeft = new Widget(this);
    topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(topLeft);


    bottomRight = new Widget(this);
    bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(bottomRight);

    slotLayer = new LayerWidget(this);
    this.addChild(slotLayer);

    connectionLayer = new LayerWidget(this);
    this.addChild(connectionLayer);

    LayerWidget selectionLayer = new LayerWidget(this);
    this.addChild(selectionLayer);

    this.setLayout(LayoutFactory.createAbsoluteLayout());

    this.getActions().addAction(hoverAction);
    zoomAction = new BoundedZoomAction(1.1, false);
    zoomAction.setMaxFactor(ZOOM_MAX_FACTOR);
    zoomAction.setMinFactor(ZOOM_MIN_FACTOR);
    this.getActions().addAction(ActionFactory.createMouseCenteredZoomAction(1.1));
    panAction = new ExtendedPanAction();
    this.getActions().addAction(panAction);
    this.getActions().addAction(ActionFactory.createPopupMenuAction(popupMenuProvider));

    LayerWidget selectLayer = new LayerWidget(this);
    this.addChild(selectLayer);
    this.getActions().addAction(ActionFactory.createRectangularSelectAction(rectangularSelectDecorator, selectLayer, rectangularSelectProvider));

    blockWidgets = new HashMap<InputBlock, BlockWidget>();

    boolean b = this.getUndoRedoEnabled();
    this.setUndoRedoEnabled(false);
    this.setNewModel(model);
    this.setUndoRedoEnabled(b);
}
 

public void setNewLocation (Widget widget, Point location) {
    widget.setPreferredLocation (location);
}
 

public DiagramScene(Action[] actions, DiagramViewModel model) {
    this.actions = actions;
    selectedWidgets = new ArrayList<FigureWidget>();
    content = new InstanceContent();
    lookup = new AbstractLookup(content);
    this.setCheckClipping(true);
    this.getInputBindings().setZoomActionModifiers(0);

    JComponent comp = this.createView();
    comp.setDoubleBuffered(true);
    comp.setBackground(Color.WHITE);
    comp.setOpaque(true);

    this.setBackground(Color.WHITE);
    this.setOpaque(true);
    scrollPane = new JScrollPane(comp);
    scrollPane.setBackground(Color.WHITE);
    scrollPane.getVerticalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getVerticalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getHorizontalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getHorizontalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getViewport().addChangeListener(scrollChangeListener);
    hoverAction = this.createWidgetHoverAction();

    blockLayer = new LayerWidget(this);
    this.addChild(blockLayer);

    startLayer = new LayerWidget(this);
    this.addChild(startLayer);
    // TODO: String startLabelString = "Loading graph with " + originalDiagram.getFigures().size() + " figures and " + originalDiagram.getConnections().size() + " connections...";
    String startLabelString = "";
    LabelWidget w = new LabelWidget(this, startLabelString);
    scrollChangeListener.register(w, new Point(10, 10));
    w.setAlignment(LabelWidget.Alignment.CENTER);
    startLabel = w;
    startLayer.addChild(w);

    mainLayer = new LayerWidget(this);
    this.addChild(mainLayer);

    topLeft = new Widget(this);
    topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(topLeft);


    bottomRight = new Widget(this);
    bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(bottomRight);

    slotLayer = new LayerWidget(this);
    this.addChild(slotLayer);

    connectionLayer = new LayerWidget(this);
    this.addChild(connectionLayer);

    LayerWidget selectionLayer = new LayerWidget(this);
    this.addChild(selectionLayer);

    this.setLayout(LayoutFactory.createAbsoluteLayout());

    this.getActions().addAction(hoverAction);
    zoomAction = new BoundedZoomAction(1.1, false);
    zoomAction.setMaxFactor(ZOOM_MAX_FACTOR);
    zoomAction.setMinFactor(ZOOM_MIN_FACTOR);
    this.getActions().addAction(ActionFactory.createMouseCenteredZoomAction(1.1));
    panAction = new ExtendedPanAction();
    this.getActions().addAction(panAction);
    this.getActions().addAction(ActionFactory.createPopupMenuAction(popupMenuProvider));

    LayerWidget selectLayer = new LayerWidget(this);
    this.addChild(selectLayer);
    this.getActions().addAction(ActionFactory.createRectangularSelectAction(rectangularSelectDecorator, selectLayer, rectangularSelectProvider));

    blockWidgets = new HashMap<InputBlock, BlockWidget>();

    boolean b = this.getUndoRedoEnabled();
    this.setUndoRedoEnabled(false);
    this.setNewModel(model);
    this.setUndoRedoEnabled(b);
}
 

public DiagramScene(Action[] actions, DiagramViewModel model) {
    this.actions = actions;
    selectedWidgets = new ArrayList<FigureWidget>();
    content = new InstanceContent();
    lookup = new AbstractLookup(content);
    this.setCheckClipping(true);
    this.getInputBindings().setZoomActionModifiers(0);

    JComponent comp = this.createView();
    comp.setDoubleBuffered(true);
    comp.setBackground(Color.WHITE);
    comp.setOpaque(true);

    this.setBackground(Color.WHITE);
    this.setOpaque(true);
    scrollPane = new JScrollPane(comp);
    scrollPane.setBackground(Color.WHITE);
    scrollPane.getVerticalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getVerticalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getHorizontalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getHorizontalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getViewport().addChangeListener(scrollChangeListener);
    hoverAction = this.createWidgetHoverAction();

    blockLayer = new LayerWidget(this);
    this.addChild(blockLayer);

    startLayer = new LayerWidget(this);
    this.addChild(startLayer);
    // TODO: String startLabelString = "Loading graph with " + originalDiagram.getFigures().size() + " figures and " + originalDiagram.getConnections().size() + " connections...";
    String startLabelString = "";
    LabelWidget w = new LabelWidget(this, startLabelString);
    scrollChangeListener.register(w, new Point(10, 10));
    w.setAlignment(LabelWidget.Alignment.CENTER);
    startLabel = w;
    startLayer.addChild(w);

    mainLayer = new LayerWidget(this);
    this.addChild(mainLayer);

    topLeft = new Widget(this);
    topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(topLeft);


    bottomRight = new Widget(this);
    bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(bottomRight);

    slotLayer = new LayerWidget(this);
    this.addChild(slotLayer);

    connectionLayer = new LayerWidget(this);
    this.addChild(connectionLayer);

    LayerWidget selectionLayer = new LayerWidget(this);
    this.addChild(selectionLayer);

    this.setLayout(LayoutFactory.createAbsoluteLayout());

    this.getActions().addAction(hoverAction);
    zoomAction = new BoundedZoomAction(1.1, false);
    zoomAction.setMaxFactor(ZOOM_MAX_FACTOR);
    zoomAction.setMinFactor(ZOOM_MIN_FACTOR);
    this.getActions().addAction(ActionFactory.createMouseCenteredZoomAction(1.1));
    panAction = new ExtendedPanAction();
    this.getActions().addAction(panAction);
    this.getActions().addAction(ActionFactory.createPopupMenuAction(popupMenuProvider));

    LayerWidget selectLayer = new LayerWidget(this);
    this.addChild(selectLayer);
    this.getActions().addAction(ActionFactory.createRectangularSelectAction(rectangularSelectDecorator, selectLayer, rectangularSelectProvider));

    blockWidgets = new HashMap<InputBlock, BlockWidget>();

    boolean b = this.getUndoRedoEnabled();
    this.setUndoRedoEnabled(false);
    this.setNewModel(model);
    this.setUndoRedoEnabled(b);
}
 

public DiagramScene(Action[] actions, DiagramViewModel model) {
    this.actions = actions;
    selectedWidgets = new ArrayList<FigureWidget>();
    content = new InstanceContent();
    lookup = new AbstractLookup(content);
    this.setCheckClipping(true);
    this.getInputBindings().setZoomActionModifiers(0);

    JComponent comp = this.createView();
    comp.setDoubleBuffered(true);
    comp.setBackground(Color.WHITE);
    comp.setOpaque(true);

    this.setBackground(Color.WHITE);
    this.setOpaque(true);
    scrollPane = new JScrollPane(comp);
    scrollPane.setBackground(Color.WHITE);
    scrollPane.getVerticalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getVerticalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getHorizontalScrollBar().setUnitIncrement(SCROLL_UNIT_INCREMENT);
    scrollPane.getHorizontalScrollBar().setBlockIncrement(SCROLL_BLOCK_INCREMENT);
    scrollPane.getViewport().addChangeListener(scrollChangeListener);
    hoverAction = this.createWidgetHoverAction();

    blockLayer = new LayerWidget(this);
    this.addChild(blockLayer);

    startLayer = new LayerWidget(this);
    this.addChild(startLayer);
    // TODO: String startLabelString = "Loading graph with " + originalDiagram.getFigures().size() + " figures and " + originalDiagram.getConnections().size() + " connections...";
    String startLabelString = "";
    LabelWidget w = new LabelWidget(this, startLabelString);
    scrollChangeListener.register(w, new Point(10, 10));
    w.setAlignment(LabelWidget.Alignment.CENTER);
    startLabel = w;
    startLayer.addChild(w);

    mainLayer = new LayerWidget(this);
    this.addChild(mainLayer);

    topLeft = new Widget(this);
    topLeft.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(topLeft);


    bottomRight = new Widget(this);
    bottomRight.setPreferredLocation(new Point(-BORDER_SIZE, -BORDER_SIZE));
    this.addChild(bottomRight);

    slotLayer = new LayerWidget(this);
    this.addChild(slotLayer);

    connectionLayer = new LayerWidget(this);
    this.addChild(connectionLayer);

    LayerWidget selectionLayer = new LayerWidget(this);
    this.addChild(selectionLayer);

    this.setLayout(LayoutFactory.createAbsoluteLayout());

    this.getActions().addAction(hoverAction);
    zoomAction = new BoundedZoomAction(1.1, false);
    zoomAction.setMaxFactor(ZOOM_MAX_FACTOR);
    zoomAction.setMinFactor(ZOOM_MIN_FACTOR);
    this.getActions().addAction(ActionFactory.createMouseCenteredZoomAction(1.1));
    panAction = new ExtendedPanAction();
    this.getActions().addAction(panAction);
    this.getActions().addAction(ActionFactory.createPopupMenuAction(popupMenuProvider));

    LayerWidget selectLayer = new LayerWidget(this);
    this.addChild(selectLayer);
    this.getActions().addAction(ActionFactory.createRectangularSelectAction(rectangularSelectDecorator, selectLayer, rectangularSelectProvider));

    blockWidgets = new HashMap<InputBlock, BlockWidget>();

    boolean b = this.getUndoRedoEnabled();
    this.setUndoRedoEnabled(false);
    this.setNewModel(model);
    this.setUndoRedoEnabled(b);
}