/// <summary>
/// 保存矩形
/// </summary>
public void SaveRects()
{
float x = DrawPanel.CurZoom;
DrawPanel.CurZoom = 1;
Dictionary <string, XmlElement> _tempSnips = TmpltDoc.GetAllSnipElementClone();
XmlElement docEle = (XmlElement)TmpltDoc.DocumentElement.SelectSingleNode("rects");
docEle.RemoveAll();
RectLayer boundaryRect = new RectLayer(0, 0, DrawPanel.Width, DrawPanel.Height, TmpltDoc.TmpltCss);
LineToRect(boundaryRect);
AddRectToXml(docEle, new RectTreeNode(boundaryRect, null));
XmlNodeList snipNodes = docEle.SelectNodes(@"//snip");
foreach (XmlNode snipNode in snipNodes)
{
if (snipNode.NodeType == XmlNodeType.Element)
{
SnipXmlElement snipEle = (SnipXmlElement)snipNode;
string id = snipEle.Id;
if (_tempSnips.ContainsKey(id))
{
CssSection tempCss = CssSection.Parse(snipEle.GetAttribute("css"));
XmlUtilService.CopyXmlElement(_tempSnips[id], snipEle);
snipEle.Width = tempCss.Properties["width"];
snipEle.Height = tempCss.Properties["height"];
snipEle.Css = tempCss.ToString();
}
}
}
DrawPanel.CurZoom = x;
TmpltDoc.Reseted = true;
}
public FindLindByRectAndRow(RectLayer rect, bool isRow)
{
this.Rect = rect;
this.IsRow = isRow;
}
public RectTreeNode(RectLayer rect, XmlElement xmlEle)
{
this.Element = xmlEle;
this.RectLayer = rect;
}
///// <summary>
///// 生成div层次关系
///// </summary>
//private void MakeDivLayer()
//{
// RectLayer boundaryRect = new RectLayer(0, 0, DrawPanel.Width, DrawPanel.Height,TmpltDoc.TmpltCss);
// LineToRect(boundaryRect);
// WriteRectLayer(boundaryRect);
//}
///// <summary>
///// 将层次化的矩形写入XML,使用树的宽度遍历算法
///// </summary>
///// <param name="rect"></param>
//private void WriteRectLayer(RectLayer rect)
//{
// XmlDocument xmlDoc = new XmlDocument();
// string str = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<body></body>";
// xmlDoc.LoadXml(str);
// //xmlDoc.Load(@"D:\shiyitang\div.xml");
// XmlElement xmlElement = xmlDoc.DocumentElement;
// XmlElement xmlEleTmp = null;
// Queue<RectTreeNode> que = new Queue<RectTreeNode>();
// que.Enqueue(new RectTreeNode(rect, xmlElement));
// RectTreeNode curNode = null;
// Rect resultRect = null;
// while (que.Count > 0)
// {
// //访问本结点
// curNode = que.Dequeue();
// resultRect = DrawPanel.ListRect.SnipRectList.Find(
// new FindRectByLayerRect(curNode.RectLayer).PredicateEqualRect);
// if (resultRect != null)
// {
// curNode.Element.SetAttribute("snippage_id", ((SnipRect)resultRect).SnipID);
// }
// //如果有孩子，则孩子结点入队
// if (curNode.RectLayer.ChildRects != null)
// {
// foreach (RectLayer childRect in curNode.RectLayer.ChildRects)
// {
// xmlEleTmp = xmlDoc.CreateElement("div");
// curNode.Element.AppendChild(xmlEleTmp);//置其为孩子
// que.Enqueue(new RectTreeNode(childRect, xmlEleTmp));
// }
// }
// }
// xmlDoc.Save(@"d:\" + TmpltID + @".xml");
//}
/// <summary>
/// 递归实现将分割线转化为矩形
/// </summary>
/// <param name="snipRect"></param>
private void LineToRect(RectLayer snipRect)
{
if (snipRect == null)
{
return;
}
FindLindByRectAndRow findRectPartion; ///寻找能以给定方向(isRow)切割给定矩形之分割线
FindLineByLine findLinePartion; ///寻找能与给定直线正交之分割线
FindLineByLine findLineTo; /// 寻找终点位于给定直线之分割线
List <PartitionLine> resultRectPartion; ///找到与给定方向(isRow)切割给定矩形之分割线的结果集
List <PartitionLine> resultLinePartion; ///找到与给定直线正交之分割线的结果集
RectLayer Rect;
///行优先寻找能横向切割矩形的分割线
findRectPartion = new FindLindByRectAndRow(snipRect, true);
resultRectPartion = DrawPanel.HPartionLines.FindAll(new Predicate <PartitionLine>(findRectPartion.Predicate));
if (resultRectPartion.Count > 2)//找到横向切割线,2为两个边界线
{
snipRect.IsRow = true;
resultRectPartion.Sort(new CompareLinePosition());
if (snipRect.ChildRects == null)//如果还没有new出childRects,则创建
{
snipRect.ChildRects = new List <RectLayer>();
}
///循环生成页面矩形
int i;
for (i = 1; i < resultRectPartion.Count; i++)
{
Rect = new RectLayer(snipRect.X,
resultRectPartion[i - 1].Position,
snipRect.Width,
resultRectPartion[i].Position - resultRectPartion[i - 1].Position,
"");
snipRect.ChildRects.Add(Rect);
LineToRect(Rect);
}
}
else///没有横向切割线,则纵向寻找
{
snipRect.IsRow = false;
findRectPartion = new FindLindByRectAndRow(snipRect, false);
resultRectPartion = DrawPanel.VPartionLines.FindAll(new Predicate <PartitionLine>(findRectPartion.Predicate));
if (resultRectPartion.Count > 2)///找到纵向切割线
{
resultRectPartion.Sort(new CompareLinePosition());
if (snipRect.ChildRects == null)///如果还没有new出childRects,则创建
{
snipRect.ChildRects = new List <RectLayer>();
}
int i = 0, j = 0;
while (i < resultRectPartion.Count - 1)
{
PartitionLine conditionLine = new PartitionLine(
snipRect.Y, snipRect.Y + snipRect.Height, resultRectPartion[i].Position, false
);///此分割线实质上是此矩的左边界的向右偏移
findLinePartion = new FindLineByLine(conditionLine);
resultLinePartion = DrawPanel.HPartionLines.FindAll(new Predicate <PartitionLine>(findLinePartion.PredicatePartedLineRight));
if (resultLinePartion.Count > 0)///找到所有与给定线相交的分割线
{
resultLinePartion.Sort(new CompareLineLen(resultRectPartion[i]));
findLineTo = new FindLineByLine(resultLinePartion[0]);
j = i;
i = resultRectPartion.FindLastIndex(
new Predicate <PartitionLine>(findLineTo.PredicateLineTo)
);
if (i == -1)///如果没有找到,说明此正交分割线没有终止于结果集的任何一条分割线
///此时,结果应该是最后一条
{
i = resultRectPartion.Count - 1;
}
Rect = new RectLayer(
resultRectPartion[j].Position,
snipRect.Y,
resultRectPartion[i].Position - resultRectPartion[j].Position,
snipRect.Height, "");
snipRect.ChildRects.Add(Rect);
LineToRect(Rect);
}
else//没有与之下次之直线，则形成一个新矩形
{
j = i;
++i;
Rect = new RectLayer(
resultRectPartion[j].Position,
snipRect.Y,
resultRectPartion[i].Position - resultRectPartion[j].Position,
snipRect.Height, "");
snipRect.ChildRects.Add(Rect);
LineToRect(Rect);
}
}
}
}
}
public FindRectByLayerRect(RectLayer rect)
{
Rect = rect;
}