/// <summary>
/// 清除当前所有选择的
/// </summary>
public void RemoveAllSelected()
{
foreach (DragThumb thumb in SelectDragThumbs)
{
this.Children.Remove(thumb);
DragThumbs.Remove(thumb);
}
bSaved = false;
_CurSelectedDragThumb = null;
SelectDragThumbs.Clear();
ReOrderAllDragImage(); //重新排序
}
/// <summary>
/// 移除控件
/// </summary>
/// <param name="dragThumb"></param>
public void RemoveDragThumb(DragThumb dragThumb)
{
if (dragThumb == null)
{
return;
}
this.Children.Remove(dragThumb);
bSaved = false;
SelectDragThumbs.Remove(dragThumb);
DragThumbs.Remove(dragThumb);
ReOrderAllDragImage(); //重新排序
}
/// <summary>
/// 重新绘制对齐线
/// </summary>
/// <param name="curThumb">当前的控件</param>
/// <param name="bDrawTop">是否绘制Top</param>
/// <param name="bDrawBottom">是否绘制Bottom</param>
/// <param name="bDrawHCenter">是否绘制水平中线</param>
/// <param name="bDrawLeft">是否绘制Left</param>
/// <param name="bDrawRight">是否绘制Right</param>
/// <param name="bDrawVCenter">是否绘制垂直中线</param>
public void ReDrawAlignLines(DragThumb curThumb, bool bDrawTop, bool bDrawBottom, bool bDrawHCenter, bool bDrawLeft, bool bDrawRight, bool bDrawVCenter)
{
ClearAlignLies();
#region 绘制对齐线
foreach (DragThumb dt in DragThumbs)
{
if (dt.Equals(curThumb))
{
continue;
}
if (SelectDragThumbs.Contains(dt))
{
continue; //内部的线不绘制
}
double theLeft = dt.Position.X;
double theRight = theLeft + dt.Width;
double theVCenter = theLeft + (dt.Width / 2); //垂直中心
double theTop = dt.Position.Y;
double theBottom = theTop + dt.Height;
double theHCenter = theTop + (dt.Height / 2); //水平中心
//Top Buttom HCenter Left Rigth VCenter
double TOLERANCE = 0.00001;
#region Draw Top
if (bDrawTop)
{
if (Math.Abs(theTop - curThumb.Position.Y) < TOLERANCE)
{
Line line = NewAlignLine();
if (theLeft + dt.Width < curThumb.Position.X) //基准在左边
{
line.X1 = theLeft + dt.Width;
}
else
{
line.X1 = theLeft;
}
if (curThumb.Position.X + curThumb.Width < theLeft) //基准在右边
{
line.X2 = curThumb.Position.X + curThumb.Width;
}
else
{
line.X2 = curThumb.Position.X;
}
line.Y1 = curThumb.Position.Y;
line.Y2 = curThumb.Position.Y;
AlignLines.Add(line);
this.Children.Add(line);
}
}
#endregion
#region Draw Bottom
if (bDrawBottom)
{
if (Math.Abs(curThumb.Position.Y + curThumb.Height - theBottom) < TOLERANCE)
{
Line line = NewAlignLine();
if (theLeft + dt.Width < curThumb.Position.X) //基准在左边
{
line.X1 = theLeft + dt.Width;
}
else
{
line.X1 = theLeft;
}
if (curThumb.Position.X + curThumb.Width < theLeft) //基准在右边
{
line.X2 = curThumb.Position.X + curThumb.Width;
}
else
{
line.X2 = curThumb.Position.X;
}
line.Y1 = theBottom;
line.Y2 = theBottom;
AlignLines.Add(line);
this.Children.Add(line);
}
}
#endregion
#region Draw theHCenter
if (bDrawHCenter)
{
if (Math.Abs(curThumb.Position.Y + (curThumb.Height / 2) - theHCenter) < TOLERANCE)
{
Line line = NewAlignLine();
if (theLeft + dt.Width < curThumb.Position.X) //基准在左边
{
line.X1 = theLeft + dt.Width;
}
else
{
line.X1 = theLeft;
}
if (curThumb.Position.X + curThumb.Width < theLeft) //基准在右边
{
line.X2 = curThumb.Position.X + curThumb.Width;
}
else
{
line.X2 = curThumb.Position.X;
}
line.Y1 = theHCenter;
line.Y2 = theHCenter;
AlignLines.Add(line);
this.Children.Add(line);
}
}
#endregion
#region Draw Left
if (bDrawLeft)
{
if (Math.Abs(theLeft - curThumb.Position.X) < TOLERANCE)
{
Line line = NewAlignLine();
if (theTop + dt.Height < curThumb.Position.Y) //基准在上边
{
line.Y1 = theTop + dt.Height;
}
else
{
line.Y1 = theTop;
}
if (curThumb.Position.Y + curThumb.Height < theTop) //基准在下边
{
line.Y2 = curThumb.Position.Y + curThumb.Height;
}
else
{
line.Y2 = curThumb.Position.Y;
}
line.X1 = curThumb.Position.X;
line.X2 = curThumb.Position.X;
AlignLines.Add(line);
this.Children.Add(line);
}
}
#endregion
#region Draw Right
if (bDrawRight)
{
if (Math.Abs(curThumb.Position.X + curThumb.Width - theRight) < TOLERANCE)
{
Line line = NewAlignLine();
if (theTop + dt.Height < curThumb.Position.Y) //基准在上边
{
line.Y1 = theTop + dt.Height;
}
else
{
line.Y1 = theTop;
}
if (curThumb.Position.Y + curThumb.Height < theTop) //基准在下边
{
line.Y2 = curThumb.Position.Y + curThumb.Height;
}
else
{
line.Y2 = curThumb.Position.Y;
}
line.X1 = theRight;
line.X2 = theRight;
AlignLines.Add(line);
this.Children.Add(line);
}
}
#endregion
#region Draw theVCenter
if (bDrawVCenter)
{
if (Math.Abs(curThumb.Position.X + (curThumb.Width / 2) - theVCenter) < TOLERANCE)
{
Line line = NewAlignLine();
if (theTop + dt.Height < curThumb.Position.Y) //基准在上边
{
line.Y1 = theTop + dt.Height;
}
else
{
line.Y1 = theTop;
}
if (curThumb.Position.Y + curThumb.Height < theTop) //基准在下边
{
line.Y2 = curThumb.Position.Y + curThumb.Height;
}
else
{
line.Y2 = curThumb.Position.Y;
}
line.X1 = theVCenter;
line.X2 = theVCenter;
AlignLines.Add(line);
this.Children.Add(line);
}
}
#endregion
}
#endregion
}
