public override void Initialize() {
for (int i=0; i<5; i++) {
for (int j=0; j<5; j++) {
PNode rect = PPath.CreateRectangle(i*60, j*60, 50, 50);
rect.Brush = Brushes.Blue;
Canvas.Layer.AddChild(rect);
}
}
// Turn off default navigation event handlers
Canvas.RemoveInputEventListener(Canvas.PanEventHandler);
Canvas.RemoveInputEventListener(Canvas.ZoomEventHandler);
// Create a selection event handler
PSelectionEventHandler selectionEventHandler = new PSelectionEventHandler(Canvas.Layer, Canvas.Layer);
Canvas.AddInputEventListener(selectionEventHandler);
Canvas.Root.DefaultInputManager.KeyboardFocus = Canvas.Camera.ToPickPath();
PNotificationCenter.DefaultCenter.AddListener(this,
"selectionChanged",
PSelectionEventHandler.SELECTION_CHANGED_NOTIFICATION,
selectionEventHandler);
}
public override void Initialize() {
Canvas.RemoveInputEventListener(Canvas.PanEventHandler);
// Create a decorator group that is NOT volatile
DecoratorGroup dg = new DecoratorGroup();
dg.Brush = Brushes.Magenta;
// Put some nodes under the group for it to decorate
PPath p1 = PPath.CreateEllipse(25,25,75,75);
p1.Brush = Brushes.Red;
PPath p2 = PPath.CreateRectangle(125,75,50,50);
p2.Brush = Brushes.Blue;
// Add everything to the Piccolo hierarchy
dg.AddChild(p1);
dg.AddChild(p2);
Canvas.Layer.AddChild(dg);
// Create a decorator group that IS volatile
VolatileDecoratorGroup vdg = new VolatileDecoratorGroup(Canvas.Camera);
vdg.Brush = Brushes.Cyan;
// Put some nodes under the group for it to decorate
PPath p3 = PPath.CreateEllipse(275,175,50,50);
p3.Brush = Brushes.Blue;
PPath p4 = PPath.CreateRectangle(175,175,75,75);
p4.Brush = Brushes.Green;
// Add everything to the Piccolo hierarchy
vdg.AddChild(p3);
vdg.AddChild(p4);
Canvas.Layer.AddChild(vdg);
// Create a selection handler so we can see that the decorator actually works
PNodeList selectableParents = new PNodeList();
selectableParents.Add(dg);
selectableParents.Add(vdg);
PSelectionEventHandler ps = new PSelectionEventHandler(Canvas.Layer,selectableParents);
Canvas.AddInputEventListener(ps);
}
/// <summary>
/// Constructs a new BoundsFilter with the given bounds and selectionHandler.
/// </summary>
/// <param name="bounds">
/// The bounds to use when deciding whether to accept a node.
/// </param>
/// <param name="selectionHandler">
/// The selection event handler to which this BoundsFilter will apply.
/// </param>
public BoundsFilter(RectangleF bounds, PSelectionEventHandler selectionHandler) {
this.bounds = bounds;
this.selectionHandler = selectionHandler;
}
/// <summary>
/// Constructs a new BoundsFilter with the given bounds and selectionHandler.
/// </summary>
/// <param name="bounds">
/// The bounds to use when deciding whether to accept a node.
/// </param>
/// <param name="selectionHandler">
/// The selection event handler to which this BoundsFilter will apply.
/// </param>
public BoundsFilter(RectangleF bounds, PSelectionEventHandler selectionHandler)
{
this.bounds = bounds;
this.selectionHandler = selectionHandler;
}
