public override void SetParent(UIElement parent)
{
if (parent != null && !(parent is LayoutUIElement))
{
Debug.Log("该布局只能添加继承了LayoutUIElement的元素!");
return;
}
if (parent == Parent)
{
return;
}
LayoutUIElement ui = parent as LayoutUIElement;
if (ui.ClipParent != null)
{
ClipParent = ui.ClipParent;
}
else if (ui._isActiveClipInChild)
{
ClipParent = ui;
}
base.SetParent(parent);
CalcPosition();
UpdateClipInChild();
}
private void CalcPosition()
{
if (CurEuiCore == null)
{
return;
}
Rect parentRect = Rect.zero;
Rect _result = RectInfo;
LayoutUIElement parent = Parent as LayoutUIElement;
if (parent != null)
{
parentRect = parent.RectInfo;
}
else
{
parentRect = CurEuiCore.CurEditorWindow.position;
parentRect.position = Vector2.zero;
}
if (AnchorMax.x - AnchorMin.x == 0) //不拉伸
{
_position.x = parentRect.x + AnchorMax.x * parentRect.width - Size.x * Pivot.x +
_anchoredPosition.x;
_result.width = Size.x;
}
else
{
_position.x = parentRect.x + _offsetMin.x;
_result.width = parentRect.width - _offsetMax.x - _offsetMin.x;
}
if (AnchorMax.y - AnchorMin.y == 0)
{
_position.y = parentRect.y + (1 - AnchorMax.y) * parentRect.height - Size.y * Pivot.y +
_anchoredPosition.y;
_result.height = Size.y;
}
else
{
_position.y = parentRect.y + _offsetMin.y;
_result.height = parentRect.height - _offsetMax.y - _offsetMin.y;
}
_result.position = Position;
RectInfo = _result;
}
void UpdateClipInChild()
{
LayoutUIElement par = Parent as LayoutUIElement;
if (par == null)
{
return;
}
//判断父节点是是否开启子节点裁剪
Stack <LayoutUIElement> stack = new Stack <LayoutUIElement>();
for (int i = 0; i < ChildCount; i++)
{
stack.Push(GetChild(i) as LayoutUIElement);
}
while (stack.Count > 0)
{
LayoutUIElement ui = stack.Pop();
if (par._isActiveClipInChild)
{
ui.ClipParent = par;
}
else if (par.ClipParent != null)
{
ui.ClipParent = par.ClipParent;
}
else
{
ui.ClipParent = null;
}
//如果当前子物体开启裁剪则取消
ui._isActiveClipInChild = false;
for (int i = 0; i < ui.ChildCount; i++)
{
stack.Push(ui.GetChild(i) as LayoutUIElement);
}
}
}
/// <summary>
/// 是否开启裁剪
/// </summary>
/// <param name="isActive"></param>
public void SetActiveClip(bool isActive)
{
//如果当前物体已经被裁剪了则不需要裁剪子物体
if (ClipParent != null)
{
return;
}
if (_isActiveClipInChild == isActive)
{
return;
}
_isActiveClipInChild = isActive;
Stack <LayoutUIElement> stack = new Stack <LayoutUIElement>();
for (int i = 0; i < ChildCount; i++)
{
stack.Push(GetChild(i) as LayoutUIElement);
}
while (stack.Count > 0)
{
LayoutUIElement ui = stack.Pop();
if (isActive)
{
ui.ClipParent = this;
}
else
{
ui.ClipParent = null;
}
//如果当前子物体开启裁剪则取消
ui._isActiveClipInChild = false;
for (int i = 0; i < ui.ChildCount; i++)
{
stack.Push(ui.GetChild(i) as LayoutUIElement);
}
}
}
