/// <summary>
/// DesignRectangle控件移动
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void dr_MouseMove(object sender, MouseEventArgs e)
{
DesignRectangle item = sender as DesignRectangle;
if (isMouseCaptured)
{
isMoveByDesignRectangle = true;
_maxLeft = cvsPanle.ActualWidth - item.Width;
_maxTop = cvsPanle.ActualHeight - item.Height;
var p = e.GetPosition(cvsPanle);
double deltaV = p.Y - mouseVerticalPosition;
double deltaH = p.X - mouseHorizontalPosition;
double newTop = deltaV + (double)item.GetValue(Canvas.TopProperty);
double newLeft = deltaH + (double)item.GetValue(Canvas.LeftProperty);
newLeft = newLeft > _maxLeft ? _maxLeft : (newLeft < 0 ? 0 : newLeft);
newTop = newTop > _maxTop ? _maxTop : (newTop < 0 ? 0 : newTop);
// Set new position of object.
item.SetValue(Canvas.TopProperty, newTop);
item.SetValue(Canvas.LeftProperty, newLeft);
UpdateLineTopOrLeftPoint(new Point(newLeft + item.Width, newTop));
if (null != _CurrentDesignCtrl)
{
_CurrentDesignCtrl.SetValue(Canvas.TopProperty, newTop);
_CurrentDesignCtrl.SetValue(Canvas.LeftProperty, newLeft);
_CurrentDesignCtrl.Width = item.Width;
_CurrentDesignCtrl.Height = item.Height;
//-->这里非常耗费资源。当鼠标弹起来的时候，更新会更好些。
//ControlModifyPropertyEventArgs ce = new ControlModifyPropertyEventArgs();
//ce.DictProperty.Add("Canvas.Top", newTop);
//ce.DictProperty.Add("Canvas.Left", newLeft);
//ce.DictProperty.Add("Height", dr.Height);
//ce.DictProperty.Add("Width", dr.Width);
//ce.ControlName = string.Format("{0}", Wrapper.GetPropertyValue(_CurrentDesignCtrl, "Name"));
//_ControlPositionMethod(this, ce);
}
//Update position global variables.
mouseVerticalPosition = e.GetPosition(cvsPanle).Y;
mouseHorizontalPosition = e.GetPosition(cvsPanle).X;
}
}
void PageDesign_KeyDown(object sender, KeyEventArgs e)
{
if (null == _CurrentDesignCtrl)
{
return;
}
SetControlFocus(_CurrentDesignCtrl);
double setp = 1;
double left = (double)dr.GetValue(Canvas.LeftProperty);
double top = (double)dr.GetValue(Canvas.TopProperty);
double newLeft = left;
double newTop = top;
switch (e.Key)
{
case Key.Left:
newLeft = left - setp;
break;
case Key.Right:
newLeft = left + setp;
break;
case Key.Up:
newTop = top - setp;
break;
case Key.Down:
newTop = top + setp;
break;
case Key.Delete:
DeleteCurrentSelectedControl();
return;
}
dr.SetValue(Canvas.TopProperty, newTop);
dr.SetValue(Canvas.LeftProperty, newLeft);
this._CurrentDesignCtrl.SetValue(Canvas.TopProperty, newTop);
this._CurrentDesignCtrl.SetValue(Canvas.LeftProperty, newLeft);
isMouseCaptured = false;
}