public IEventResult OnMouseUp(IMouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left && e.ButtonState == MouseButtonState.Released)
{
if (SelRect.Active)
{
List <Selection> sels = SelRect.Select(_drawing.CurrentBlock);
if (sels.Count > 0)
{
if (e.IsShiftKeyDown())
{
(_drawing.Document as Document).Selections.Remove(sels);
}
else
{
(_drawing.Document as Document).Selections.Add(sels);
}
DrawSelection(sels, e.IsShiftKeyDown());
}
}
SelRect.Reset();
Draw();
}
_snapNodesMgr.OnMouseUp(e);
return(null);
}
public IEventResult OnMouseDown(IMouseButtonEventArgs e)
{
_pos.X = e.X;
_pos.Y = e.Y;
Command cmd = null;
switch (mode)
{
case PointerModes.Default:
#region
{
if (e.IsLeftPressed)
{
if (_anchorMgr.currentGripPoint == null)
{
_pickupBox.center = _pos;
List <Selection> sels = _pickupBox.Select(_drawing.CurrentBlock);
if (sels.Count > 0)
{
//user directly clicked on entities.
if (e.IsShiftKeyDown())
{
(_drawing.Document as Document).Selections.Remove(sels);
}
else
{
(_drawing.Document as Document).Selections.Add(sels);
}
DrawSelection(sels, e.IsShiftKeyDown());
}
else
{
//start a selection box
SelRect.Active = true;
SelRect.StartPoint = SelRect.EndPoint = _pos;
}
}
else
{
//user selected a grip point
Database db = (_drawing.Document as Document).Database;
Entity entity = db.GetObject(_anchorMgr.currentGripEntityId) as Entity;
if (entity != null)
{
GripPointMoveCmd gripMoveCmd = new GripPointMoveCmd(
entity, _anchorMgr.currentGripPointIndex, _anchorMgr.currentGripPoint);
cmd = gripMoveCmd;
}
}
}
}
#endregion
break;
case PointerModes.Select:
#region
{
if (e.IsLeftPressed)
{
_pickupBox.center = _pos;
List <Selection> sels = _pickupBox.Select(_drawing.CurrentBlock);
if (sels.Count > 0)
{
if (e.IsShiftKeyDown())
{
(_drawing.Document as Document).Selections.Remove(sels);
}
else
{
(_drawing.Document as Document).Selections.Add(sels);
}
DrawSelection(sels, e.IsShiftKeyDown());
}
else
{
SelRect.Active = true;
SelRect.StartPoint = SelRect.EndPoint = _pos;
}
}
}
#endregion
break;
case PointerModes.Locate:
CurrentSnapPoint = _snapNodesMgr.Snap(_pos);
break;
case PointerModes.Drag:
break;
default:
break;
}
return(new EventResult()
{
data = cmd
});
}