void OnBringToFront(object sender, EventArgs args)
{
OnBringTo(tools =>
{
// move SelectedTool next to last overlapped tool
int lIndex = tools.Max(t => DrawingTools.IndexOf(t));
return(lIndex + 1);
});
}
void OnBringToBack(object sender, EventArgs args)
{
OnBringTo(tools =>
{
// move SelectedTool prior to first overlapped tool
int lIndex = tools.Min(t => DrawingTools.IndexOf(t));
return(lIndex);
});
}
protected override void OnMouseMove(MouseEventArgs pArgs)
{
base.OnMouseMove(pArgs);
Point lLocation = GetScrollablePoint(pArgs.Location);
switch (pArgs.Button)
{
case MouseButtons.Right:
return;
case MouseButtons.None:
Cursor lCurrentCursor = Cursors.Hand;
if (SelectedToolboxItem == null &&
PickingTool == null)
{
DrawingTools.Any(e =>
{
Cursor lCursor = e.Tracker.GetCursor(lLocation);
bool lRet = false;
if (lCursor != Cursors.Default)
{
lCurrentCursor = lCursor;
lRet = true;
}
return(lRet);
});
}
else
{
lCurrentCursor = Cursors.Cross;
}
Cursor.Current = lCurrentCursor;
break;
case MouseButtons.Left:
if (FullDragMode)
{
return;
}
bool lRunDefault = true;
if (SelectedTool != null)
{
DrawingTracker lTracker = SelectedTool.Tracker;
lRunDefault = false;
// stretching on tracker.
if (lTracker.IsResizing)
{
InvalidateRect(lTracker.SurroundingRect);
lTracker.Resize(lLocation);
InvalidateRect(lTracker.SurroundingRect);
}
else if (DragBoxFromMouseDown != Rectangle.Empty)
{
// start DragDrop on selected tool object.
if (!DragBoxFromMouseDown.Contains(lLocation))
{
int dx = GraphicsMapper.Instance.TransformInt(DraggingPoint.X - SelectedTool.SurroundingRect.Left, CoordinateSpace.Device, CoordinateSpace.Page);
int dy = GraphicsMapper.Instance.TransformInt(DraggingPoint.Y - SelectedTool.SurroundingRect.Top, CoordinateSpace.Device, CoordinateSpace.Page);
using (new DragImage(SelectedTool.GetDraggingImage(LayerWidth, LayerHeight), dx, dy))
{
int lIndex = DrawingTools.IndexOf(SelectedTool);
DoDragDrop(lIndex.ToString(), DragDropEffects.All);
DraggingPoint = Point.Empty;
DragBoxFromMouseDown = Rectangle.Empty;
}
}
}
else
{
lRunDefault = true;
}
}
// update current Cursor.
if (lRunDefault)
{
if (PickingTool == null)
{
ToolboxItem lItem = SelectedToolboxItem;
// update cursor by hitTest on each drawing tool.
if (lItem != null &&
DragBoxFromMouseDown != Rectangle.Empty)
{
// create toolbox item
if (!DragBoxFromMouseDown.Contains(lLocation))
{
PickingTool = lItem.CreateComponents(DesignerHost).FirstOrDefault() as DrawingTool;
PickingTool.CreatePersistence();
PickingTool.StartResize(lLocation);
}
}
}
}
break;
}
if (PickingTool != null)
{
InvalidateRect(PickingTool.SurroundingRect);
PickingTool.Resize(lLocation);
InvalidateRect(PickingTool.SurroundingRect);
}
}