/// <summary>
/// 移动图元
/// </summary>
/// <param name="p">移动的相对位置</param>
public override void Move(Size s)
{
if (selected) // 缩放控制点在被选中状态，改变它对应的插槽容器的大小
{
int newX;
int newY;
Size locationDistancement = new Size(0, 0);
Size elementSizeDistancement = new Size(0, 0);
bool resizeSlotContainer = false; // 是否缩放插槽容器
switch (direction)
{
case Direction.Up:
{
locationDistancement = new Size(0, s.Height);
elementSizeDistancement = new Size(0, -s.Height);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X;
newY = location.Y + s.Height;
location = new Point(newX, newY);
textRectangle.Location += new Size(0, s.Height);
activateRectangle.Location += new Size(0, s.Height);
resizeSlotContainer = true;
}
break;
}
case Direction.Up_Left:
{
locationDistancement = new Size(s.Width, s.Height);
elementSizeDistancement = new Size(-s.Width, -s.Height);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X + s.Width;
newY = location.Y + s.Height;
location = new Point(newX, newY);
textRectangle.Location += new Size(s.Width, s.Height);
activateRectangle.Location += new Size(s.Width, s.Height);
resizeSlotContainer = true;
}
break;
}
case Direction.Left:
{
locationDistancement = new Size(s.Width, 0);
elementSizeDistancement = new Size(-s.Width, 0);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X + s.Width;
newY = location.Y;
location = new Point(newX, newY);
textRectangle.Location += new Size(s.Width, 0);
activateRectangle.Location += new Size(s.Width, 0);
resizeSlotContainer = true;
}
break;
}
case Direction.Down_Left:
{
locationDistancement = new Size(s.Width, 0);
elementSizeDistancement = new Size(-s.Width, s.Height);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X + s.Width;
newY = location.Y + s.Height;
location = new Point(newX, newY);
textRectangle.Location += new Size(s.Width, s.Height);
activateRectangle.Location += new Size(s.Width, s.Height);
resizeSlotContainer = true;
}
break;
}
case Direction.Down:
{
elementSizeDistancement = new Size(0, s.Height);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X;
newY = location.Y + s.Height;
location = new Point(newX, newY);
textRectangle.Location += new Size(0, s.Height);
activateRectangle.Location += new Size(0, s.Height);
resizeSlotContainer = true;
}
break;
}
case Direction.Down_Right:
{
elementSizeDistancement = new Size(s.Width, s.Height);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X + s.Width;
newY = location.Y + s.Height;
location = new Point(newX, newY);
textRectangle.Location += new Size(s.Width, s.Height);
activateRectangle.Location += new Size(s.Width, s.Height);
resizeSlotContainer = true;
}
break;
}
case Direction.Right:
{
elementSizeDistancement = new Size(s.Width, 0);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X + s.Width;
newY = location.Y;
location = new Point(newX, newY);
textRectangle.Location += new Size(s.Width, 0);
activateRectangle.Location += new Size(s.Width, 0);
resizeSlotContainer = true;
}
break;
}
case Direction.Up_Right:
{
locationDistancement = new Size(0, s.Height);
elementSizeDistancement = new Size(s.Width, -s.Height);
// 保证调整后图元的大小大于其最小大小
if ((slotContainer.ElementSize.Width + elementSizeDistancement.Width >= slotContainer.MinSize.Width) &&
(slotContainer.ElementSize.Height + elementSizeDistancement.Height >= slotContainer.MinSize.Height))
{
newX = location.X + s.Width;
newY = location.Y + s.Height;
location = new Point(newX, newY);
textRectangle.Location += new Size(s.Width, s.Height);
activateRectangle.Location += new Size(s.Width, s.Height);
resizeSlotContainer = true;
}
break;
}
}
// 调整缩放控制点对应的插槽容器的大小
if (resizeSlotContainer)
{
slotContainer.MoveBorder(locationDistancement, elementSizeDistancement);
}
}
else // 在非选中状态下，则直接移动缩放控制点即可
{
this.location += s;
textRectangle.Location += s;
activateRectangle.Location += s;
}
}
