void ArrangeWithRootItems/*递归方法，给定根节点，重新布局*/ (DesignerItem designerItem /*根节点*/)
{
if (designerItem == null)
{
return;
}
designerItem.SetTemplate();
var directSubItems = GetDirectSubItems(designerItem);
if (directSubItems == null || directSubItems.Count == 0)
{
return;
}
var subItems = directSubItems
.Where(x => x.Visibility.Equals(Visibility.Visible)).
OrderBy(x => x.YIndex).ToList();
double h1 = 0;/*父节点的直接子节点总高度*/
for (var i = 0; i < subItems.Count; i++)
{
if (i != 0)
{
h1 += subItems[i - 1].ActualHeight;
}
var list = new List <DesignerItem>();
for (var j = 0; j < i; j++)
{
list.AddRange(GetAllSubItems(subItems.ElementAt(j)).Where(item => !list.Contains(item)) /**/);
}
var preChilds = list.OrderBy(x => x.YIndex).Where(x => x.Visibility.Equals(Visibility.Visible));
var h2 = preChilds.Sum(preChild => preChild.ActualHeight);/*父节点的直接子节点的所有子节点的总高度*/
#region 设定节点位置
//上
var top = designerItem.YIndex + designerItem.ActualHeight + h1 + h2;
Canvas.SetTop(subItems.ElementAt(i), top);
subItems.ElementAt(i).YIndex = top;
subItems.ElementAt(i).Oldy = top;
//左
var left = designerItem.XIndex + GetOffset(designerItem);
Canvas.SetLeft(subItems.ElementAt(i), left);
subItems.ElementAt(i).XIndex = left;
subItems.ElementAt(i).Oldx = left;
#endregion
//设定节点宽度
SetWidth(subItems.ElementAt(i));
ArrangeWithRootItems(subItems.ElementAt(i));/*递归*/
}
}
/*递归方法，给定根节点，重新布局*/
void ArrangeWithRootItems(DesignerItem designerItem/*根节点*/)
{
if (designerItem == null) return;
designerItem.SetTemplate();
var directSubItems = GetDirectSubItems(designerItem);
if (directSubItems == null || directSubItems.Count == 0) return;
var subItems = directSubItems
.Where(x => x.Visibility.Equals(Visibility.Visible)).
OrderBy(x => x.YIndex).ToList();
double h1 = 0;/*父节点的直接子节点总高度*/
for (var i = 0; i < subItems.Count; i++)
{
if (i != 0) h1 += subItems[i - 1].ActualHeight;
var list = new List<DesignerItem>();
for (var j = 0; j < i; j++) { list.AddRange(GetAllSubItems(subItems.ElementAt(j)).Where(item => !list.Contains(item))/**/); }
var preChilds = list.OrderBy(x => x.YIndex).Where(x => x.Visibility.Equals(Visibility.Visible));
var h2 = preChilds.Sum(preChild => preChild.ActualHeight);/*父节点的直接子节点的所有子节点的总高度*/
#region 设定节点位置
//上
var top = designerItem.YIndex + designerItem.ActualHeight + h1 + h2;
Canvas.SetTop(subItems.ElementAt(i), top);
subItems.ElementAt(i).YIndex = top;
subItems.ElementAt(i).Oldy = top;
//左
var left = designerItem.XIndex + GetOffset(designerItem);
Canvas.SetLeft(subItems.ElementAt(i), left);
subItems.ElementAt(i).XIndex = left;
subItems.ElementAt(i).Oldx = left;
#endregion
//设定节点宽度
SetWidth(subItems.ElementAt(i));
ArrangeWithRootItems(subItems.ElementAt(i));/*递归*/
}
}
