/// <summary>
/// Update the marquee bounds based on the given event data.
/// </summary>
/// <param name="e">A PInputEventArgs that contains the event data.</param>
protected virtual void UpdateMarquee(PInputEventArgs e)
{
RectangleF r = RectangleF.Empty;
if (marqueeParent is PCamera)
{
r = PUtil.AddPointToRect(r, canvasPressPt);
r = PUtil.AddPointToRect(r, e.CanvasPosition);
}
else
{
r = PUtil.AddPointToRect(r, presspt);
r = PUtil.AddPointToRect(r, e.Position);
}
marquee.Reset();
SetSafeMarqueePen(r.Width, r.Height);
marquee.SetPathToRectangle(r.X, r.Y, r.Width, r.Height);
r = RectangleF.Empty;
r = PUtil.AddPointToRect(r, presspt);
r = PUtil.AddPointToRect(r, e.Position);
allItems.Clear();
PNodeFilter filter = CreateNodeFilter(r);
foreach (PNode parent in selectableParents)
{
PNodeList items;
if (parent is PCamera)
{
items = new PNodeList();
PCamera cameraParent = (PCamera)parent;
for (int i = 0; i < cameraParent.LayerCount; i++)
{
cameraParent.GetLayer(i).GetAllNodes(filter, items);
}
}
else
{
items = parent.GetAllNodes(filter, null);
}
foreach (PNode node in items)
{
allItems.Add(node, true);
}
}
}
/// <summary>
/// Overridden. When the lens is resized this method gives us a chance to layout the
/// lens's camera child appropriately.
/// </summary>
public override void LayoutChildren()
{
dragBar.Reset();
dragBar.SetPathToRectangle((float)X, (float)Y, (float)Width, (float)LENS_DRAGBAR_HEIGHT);
camera.SetBounds(X, Y + LENS_DRAGBAR_HEIGHT, Width, Height - LENS_DRAGBAR_HEIGHT);
}