/// <summary>
/// 强制重新适应 MinSize MaxSize
/// </summary>
public void DoResize()
{
UIAnchor[] thisAnchor = UIAnchorPosUtils.GetUIAnchor(RectTransform);
if (RectTransform.rect.width < MinSize.x && thisAnchor[0] != UIAnchor.Stretch)
{
RectTransform.sizeDelta = new Vector2(MinSize.x, RectTransform.sizeDelta.y);
}
if (RectTransform.rect.height < MinSize.y && thisAnchor[1] != UIAnchor.Stretch)
{
RectTransform.sizeDelta = new Vector2(RectTransform.sizeDelta.x, MinSize.y);
}
if (MaxSize.x > 0 && RectTransform.rect.width > MaxSize.x && thisAnchor[0] != UIAnchor.Stretch)
{
RectTransform.sizeDelta = new Vector2(MaxSize.x, RectTransform.sizeDelta.y);
}
if (MaxSize.y > 0 && RectTransform.rect.height > MaxSize.y && thisAnchor[1] != UIAnchor.Stretch)
{
RectTransform.sizeDelta = new Vector2(RectTransform.sizeDelta.x, MaxSize.y);
}
if (thisAnchor[0] == UIAnchor.Stretch)
{
UIAnchorPosUtils.SetUILeftBottom(RectTransform, layout_marginLeft, UIAnchorPosUtils.GetUIBottom(RectTransform));
UIAnchorPosUtils.SetUIRightTop(RectTransform, layout_marginRight, UIAnchorPosUtils.GetUITop(RectTransform));
}
if (thisAnchor[1] == UIAnchor.Stretch)
{
UIAnchorPosUtils.SetUILeftBottom(RectTransform, UIAnchorPosUtils.GetUILeft(RectTransform), layout_marginBottom);
UIAnchorPosUtils.SetUIRightTop(RectTransform, UIAnchorPosUtils.GetUIRight(RectTransform), layout_marginTop);
}
}
protected override void OnLayout()
{
UIElement e = null;
RectTransform rectTransform = null;
float startVal = 0;
UIAnchor[] thisAnchor = UIAnchorPosUtils.GetUIAnchor(RectTransform);
//需要布局子布局，
for (int i = 0; i < Elements.Count; i++)
{
e = Elements[i];
if (e.Visibility != UIVisibility.Gone)
{
if (e.IsLayout)
{
(e as UILayout).DoLayout();
}
}
}
//计算所有元素布局占用高度
float allLayoutHeight = (Elements.Count - 1) * layoutChildSpacing;
//另外一个轴最高的元素高度
float maxLayoutOtherHeight = 0;
for (int i = 0; i < Elements.Count; i++)
{
e = Elements[i];
if (e.Visibility != UIVisibility.Gone)
{
rectTransform = e.RectTransform;
allLayoutHeight += (layoutDirection == LayoutAxis.Vertical ? rectTransform.rect.height : rectTransform.rect.width);
//计算控件边距
allLayoutHeight += (layoutDirection == LayoutAxis.Vertical ?
(e.Layout_marginTop + e.Layout_marginBottom) : (e.Layout_marginLeft + e.Layout_marginRight));
if (layoutDirection == LayoutAxis.Vertical)
{
if (e.AnchorX == UIAnchor.Stretch)
{
UIAnchorPosUtils.SetUIAnchor(e.RectTransform, UIAnchor.Stretch,
layoutReverse ? UIAnchor.Bottom : UIAnchor.Top);
UIAnchorPosUtils.SetUILeftBottom(e.RectTransform, e.Layout_marginLeft,
UIAnchorPosUtils.GetUIBottom(e.RectTransform));
UIAnchorPosUtils.SetUIRightTop(e.RectTransform, e.Layout_marginRight,
UIAnchorPosUtils.GetUITop(e.RectTransform));
}
else
{
UIAnchorPosUtils.SetUIAnchor(e.RectTransform,
UILayoutUtils.GravityToAnchor(Gravity, RectTransform.Axis.Horizontal),
layoutReverse ? UIAnchor.Bottom : UIAnchor.Top);
e.RectTransform.anchoredPosition = Vector2.zero;
}
UIAnchorPosUtils.SetUIPivot(e.RectTransform,
UILayoutUtils.AnchorToPivot(
layoutReverse ? UIAnchor.Bottom : UIAnchor.Top, RectTransform.Axis.Vertical),
RectTransform.Axis.Vertical);
e.DoResize();
if (e.RectTransform.rect.width > maxLayoutOtherHeight)
{
maxLayoutOtherHeight = e.RectTransform.rect.width;
}
}
else
{
if (e.AnchorY == UIAnchor.Stretch)
{
UIAnchorPosUtils.SetUIAnchor(e.RectTransform,
layoutReverse ? UIAnchor.Right : UIAnchor.Left,
UIAnchor.Stretch);
UIAnchorPosUtils.SetUILeftBottom(e.RectTransform,
UIAnchorPosUtils.GetUILeft(e.RectTransform), e.Layout_marginBottom);
UIAnchorPosUtils.SetUIRightTop(e.RectTransform,
UIAnchorPosUtils.GetUIRight(e.RectTransform), e.Layout_marginTop);
}
else
{
UIAnchorPosUtils.SetUIAnchor(e.RectTransform,
layoutReverse ? UIAnchor.Right : UIAnchor.Left,
UILayoutUtils.GravityToAnchor(Gravity, RectTransform.Axis.Vertical));
e.RectTransform.anchoredPosition = Vector2.zero;
}
UIAnchorPosUtils.SetUIPivot(e.RectTransform,
UILayoutUtils.AnchorToPivot(
layoutReverse ? UIAnchor.Right : UIAnchor.Left, RectTransform.Axis.Horizontal),
RectTransform.Axis.Horizontal);
e.DoResize();
if (e.RectTransform.rect.height > maxLayoutOtherHeight)
{
maxLayoutOtherHeight = e.RectTransform.rect.height;
}
}
}
}
if (maxLayoutOtherHeight <= 0)
{
maxLayoutOtherHeight = layoutDirection == LayoutAxis.Vertical ? RectTransform.rect.width : RectTransform.rect.height;
}
//自动将本容器撑大
if (layoutDirection == LayoutAxis.Vertical)
{
if (MaxSize.y > 0 && allLayoutHeight > MaxSize.y)
{
allLayoutHeight = MaxSize.y;
}
if (allLayoutHeight > MinSize.y)
{
RectTransform.sizeDelta = new Vector2(widthAutoWarp ? maxLayoutOtherHeight : RectTransform.sizeDelta.x, allLayoutHeight);
}
else if (thisAnchor[1] != UIAnchor.Stretch)
{
RectTransform.sizeDelta = new Vector2(widthAutoWarp ? maxLayoutOtherHeight : RectTransform.sizeDelta.x, MinSize.y);
}
}
else if (layoutDirection == LayoutAxis.Horizontal)
{
if (MaxSize.x > 0 && allLayoutHeight > MaxSize.x)
{
allLayoutHeight = MaxSize.x;
}
if (allLayoutHeight > MinSize.x)
{
RectTransform.sizeDelta = new Vector2(allLayoutHeight, heightAutoWarp ? maxLayoutOtherHeight : RectTransform.sizeDelta.y);
}
else if (thisAnchor[0] != UIAnchor.Stretch)
{
RectTransform.sizeDelta = new Vector2(MinSize.x, heightAutoWarp ? maxLayoutOtherHeight : RectTransform.sizeDelta.y);
}
}
DoResize();
//如果内容空间小于容器大小，那么居中内容
if (allLayoutHeight < (layoutDirection == LayoutAxis.Vertical ? RectTransform.rect.height : RectTransform.rect.width))
{
if (layoutDirection == LayoutAxis.Vertical)
{
if ((Gravity & LayoutGravity.CenterVertical) == LayoutGravity.CenterVertical)
{
startVal -= (RectTransform.rect.height / 2 - allLayoutHeight / 2);
}
if ((Gravity & LayoutGravity.Bottom) == LayoutGravity.Bottom)
{
startVal -= (RectTransform.rect.height - allLayoutHeight);
}
}
else
{
if ((Gravity & LayoutGravity.CenterHorizontal) == LayoutGravity.CenterHorizontal)
{
startVal += (RectTransform.rect.width / 2 - allLayoutHeight / 2);
}
if ((Gravity & LayoutGravity.End) == LayoutGravity.End)
{
startVal += (RectTransform.rect.width - allLayoutHeight);
}
}
}
//布局
if (!layoutReverse)
{
for (int i = 0; i < Elements.Count; i++)
{
e = Elements[i];
if (e.Visibility != UIVisibility.Gone) //跳过隐藏元素
{
rectTransform = e.RectTransform;
if (layoutDirection == LayoutAxis.Vertical)
{
startVal -= e.Layout_marginTop;
rectTransform.anchoredPosition = new Vector2(rectTransform.anchoredPosition.x, startVal);
startVal -= e.Layout_marginBottom;
startVal -= (rectTransform.rect.height + layoutChildSpacing);
}
else
{
startVal += e.Layout_marginLeft;
rectTransform.anchoredPosition = new Vector2(startVal, rectTransform.anchoredPosition.y);
startVal += e.Layout_marginRight;
startVal += (rectTransform.rect.width + layoutChildSpacing);
}
}
}
}
else
{
//反向布局
for (int i = Elements.Count; i >= 0; i--)
{
e = Elements[i];
if (e.Visibility != UIVisibility.Gone)//跳过隐藏元素
{
rectTransform = e.RectTransform;
if (layoutDirection == LayoutAxis.Vertical)
{
startVal -= e.Layout_marginTop;
rectTransform.anchoredPosition = new Vector2(rectTransform.anchoredPosition.x, startVal);
startVal -= e.Layout_marginBottom;
startVal = startVal - rectTransform.rect.height - layoutChildSpacing;
}
else
{
startVal += e.Layout_marginLeft;
rectTransform.anchoredPosition = new Vector2(startVal, rectTransform.anchoredPosition.y);
startVal += e.Layout_marginRight;
startVal = startVal + rectTransform.rect.width + layoutChildSpacing;
}
}
}
}
if (Parent != null)
{
Parent.DoLayout();
}
base.OnLayout();
}
protected virtual void SetProp(string name, string val)
{
switch (name)
{
case "name":
{
Name = val;
break;
}
case "minSize":
{
string[] av = val.Split(',');
float x, y;
if (av.Length >= 2 && float.TryParse(av[0], out x) && float.TryParse(av[1], out y))
{
minSize = new Vector2(x, y);
DoPostLayout();
}
break;
}
case "width":
{
if (val.ToLower() == "match_parent")
{
anchorX = UIAnchor.Stretch;
UIAnchorPosUtils.SetUIAnchor(RectTransform, anchorX, anchorY);
DoPostLayout();
}
else
{
float x;
if (float.TryParse(val, out x))
{
RectTransform.sizeDelta = new Vector2(x, RectTransform.sizeDelta.y);
DoPostLayout();
}
}
break;
}
case "height":
{
if (val.ToLower() == "match_parent")
{
anchorY = UIAnchor.Stretch;
UIAnchorPosUtils.SetUIAnchor(RectTransform, anchorX, anchorY);
DoPostLayout();
}
else
{
float y;
if (float.TryParse(val, out y))
{
RectTransform.sizeDelta = new Vector2(RectTransform.sizeDelta.x, y);
DoPostLayout();
}
}
break;
}
case "x":
{
float v;
if (float.TryParse(val, out v))
{
RectTransform.anchoredPosition = new Vector2(v, RectTransform.anchoredPosition.y);
DoPostLayout();
}
break;
}
case "y":
{
float v;
if (float.TryParse(val, out v))
{
RectTransform.anchoredPosition = new Vector2(RectTransform.anchoredPosition.x, v);
DoPostLayout();
}
break;
}
case "position":
{
string[] av = val.Split(',');
float x, y;
if (av.Length >= 2 && float.TryParse(av[0], out x) && float.TryParse(av[1], out y))
{
RectTransform.anchoredPosition = new Vector2(x, y);
DoPostLayout();
}
break;
}
case "left":
{
float v;
if (float.TryParse(val, out v))
{
UIAnchorPosUtils.SetUILeftBottom(RectTransform, v, UIAnchorPosUtils.GetUIBottom(RectTransform));
}
break;
}
case "bottom":
{
float v;
if (float.TryParse(val, out v))
{
UIAnchorPosUtils.SetUILeftBottom(RectTransform, UIAnchorPosUtils.GetUILeft(RectTransform), v);
}
break;
}
case "leftBottom":
{
string[] av = val.Split(',');
float x, y;
if (av.Length >= 2 && float.TryParse(av[0], out x) && float.TryParse(av[1], out y))
{
UIAnchorPosUtils.SetUILeftBottom(RectTransform, x, y);
}
break;
}
case "right":
{
float v;
if (float.TryParse(val, out v))
{
UIAnchorPosUtils.SetUIRightTop(RectTransform, v, UIAnchorPosUtils.GetUITop(RectTransform));
}
break;
}
case "top":
{
float v;
if (float.TryParse(val, out v))
{
UIAnchorPosUtils.SetUIRightTop(RectTransform, UIAnchorPosUtils.GetUIRight(RectTransform), v);
}
break;
}
case "rightTop":
{
string[] av = val.Split(',');
float x, y;
if (av.Length >= 2 && float.TryParse(av[0], out x) && float.TryParse(av[1], out y))
{
UIAnchorPosUtils.SetUIRightTop(RectTransform, x, y);
}
break;
}
case "anchor":
{
string[] av = val.Split(',');
if (av.Length >= 2)
{
System.Enum.TryParse(av[0], out anchorX);
System.Enum.TryParse(av[1], out anchorY);
DoPostLayout();
}
break;
}
case "anchorX":
{
System.Enum.TryParse(val, out anchorX);
DoPostLayout();
break;
}
case "visibility":
{
UIVisibility v;
System.Enum.TryParse(val, out v);
Visibility = v;
break;
}
case "anchorY":
{
System.Enum.TryParse(val, out anchorY);
DoPostLayout();
break;
}
case "layout_margin":
{
string[] av = val.Split(',');
float x, y, z, w;
if (av.Length >= 4 &&
float.TryParse(av[0], out x) && float.TryParse(av[1], out y) &&
float.TryParse(av[1], out z) && float.TryParse(av[2], out w))
{
Layout_marginLeft = x;
Layout_marginTop = y;
Layout_marginRight = z;
Layout_marginBottom = w;
}
if (av.Length >= 2 &&
float.TryParse(av[0], out x) && float.TryParse(av[1], out y))
{
Layout_marginLeft = x;
Layout_marginTop = y;
Layout_marginRight = x;
Layout_marginBottom = y;
}
if (av.Length >= 1 &&
float.TryParse(av[0], out x))
{
Layout_marginLeft = x;
Layout_marginTop = x;
Layout_marginRight = x;
Layout_marginBottom = x;
}
DoPostLayout();
break;
}
case "layout_marginLeft":
{
float v;
if (float.TryParse(val, out v))
{
Layout_marginLeft = v;
DoPostLayout();
}
break;
}
case "layout_marginTop":
{
float v;
if (float.TryParse(val, out v))
{
Layout_marginTop = v;
DoPostLayout();
}
break;
}
case "layout_marginRight":
{
float v;
if (float.TryParse(val, out v))
{
Layout_marginRight = v;
DoPostLayout();
}
break;
}
case "layout_marginBottom":
{
float v;
if (float.TryParse(val, out v))
{
Layout_marginBottom = v;
DoPostLayout();
}
break;
}
case "layout_centerHorizontal":
{
if (bool.TryParse(val, out layout_centerHorizontal))
{
DoPostLayout();
}
break;
}
case "layout_centerVertical":
{
if (bool.TryParse(val, out layout_centerVertical))
{
DoPostLayout();
}
break;
}
case "layout_centerInParent":
{
if (bool.TryParse(val, out layout_centerInParent))
{
DoPostLayout();
}
break;
}
case "layout_alignParentTop":
{
if (bool.TryParse(val, out layout_alignParentTop))
{
DoPostLayout();
}
break;
}
case "layout_alignParentBottom":
{
if (bool.TryParse(val, out layout_alignParentBottom))
{
DoPostLayout();
}
break;
}
case "layout_alignParentLeft":
{
if (bool.TryParse(val, out layout_alignParentLeft))
{
DoPostLayout();
}
break;
}
case "layout_alignParentRight":
{
if (bool.TryParse(val, out layout_alignParentRight))
{
DoPostLayout();
}
break;
}
case "layout_above":
{
layout_toLeftOf = val;
DoPostLayout();
break;
}
case "layout_below":
{
layout_toLeftOf = val;
DoPostLayout();
break;
}
case "layout_toRightOf":
{
layout_toLeftOf = val;
DoPostLayout();
break;
}
case "layout_toLeftOf":
{
layout_toLeftOf = val;
DoPostLayout();
break;
}
case "layout_alignTop":
{
layout_alignTop = val;
DoPostLayout();
break;
}
case "layout_alignBottom":
{
layout_alignBottom = val;
DoPostLayout();
break;
}
case "layout_alignLeft":
{
layout_alignLeft = val;
DoPostLayout();
break;
}
case "layout_alignRight":
{
layout_alignRight = val;
DoPostLayout();
break;
}
}
}