public static XmlDocument CreateTreeXmlDocument(this IEnumerable <TreeData> objTreeDataList, int rootParentID, string navigateUrl, string IDParName, string ParentIDParName, Action <TreeData, XmlElement> objAction)
{
List <TreeData> source = (from s in objTreeDataList
where s.ParentID == rootParentID
select s).ToList <TreeData>();
TreeData data = null;
if (source.Count > 1)
{
data = new TreeData {
ParentID = -1,
TreeNodeName = "节点管理",
TreeNodeID = rootParentID
};
}
else
{
data = source.FirstOrDefault <TreeData>();
}
if (data == null)
{
throw new ArgumentNullException("找不到相应的:rootParentID=" + rootParentID + "子节点");
}
XmlDocument xmlDocSource = new XmlDocument();
string str = ((navigateUrl.IndexOf("?") >= 0) ? (navigateUrl + "&") : (navigateUrl + "?")) + (IDParName.IsNull() ? "TransferID" : IDParName) + "={0}&" + (ParentIDParName.IsNull() ? "TransferTwoID" : ParentIDParName) + "={1}&IsChild={2}";
XmlElement element = xmlDocSource.CreateElement("TreeNodeMember");
if (objAction != null)
{
objAction(data, element);
}
else
{
element.SetAttribute("TreeNodeID", data.TreeNodeID.ToString());
element.SetAttribute("TreeNodeName", data.TreeNodeName);
if (!string.IsNullOrWhiteSpace(str))
{
element.SetAttribute("NavigateUrl", string.Format(str, data.TreeNodeID.ToString(), data.ParentID, 1).EncryptModuleQuery());
}
}
CreateTreeXmlElement(xmlDocSource, data.TreeNodeID, element, objTreeDataList, str, objAction);
xmlDocSource.AppendChild(element);
return(xmlDocSource);
}
private static void CreateTreeXmlElement(XmlDocument xmlDocSource, int ParentID, XmlElement objXmlElement, IEnumerable <TreeData> objTreeDataList, string urlformat, Action <TreeData, XmlElement> objAction)
{
using (IEnumerator <TreeData> enumerator = (from s in objTreeDataList
where s.ParentID == ParentID
orderby s.SortIndex
select s).GetEnumerator())
{
while (enumerator.MoveNext())
{
Func <TreeData, bool> predicate = null;
TreeData objTreeData = enumerator.Current;
XmlElement element = xmlDocSource.CreateElement("TreeNodeMember");
if (objAction != null)
{
objAction(objTreeData, element);
objXmlElement.AppendChild(element);
}
else
{
if (predicate == null)
{
predicate = s => s.ParentID == objTreeData.TreeNodeID;
}
int num = objTreeDataList.Any <TreeData>(predicate) ? 1 : 0;
element.SetAttribute("TreeNodeID", objTreeData.TreeNodeID.ToString());
element.SetAttribute("TreeNodeName", objTreeData.TreeNodeName);
if (!string.IsNullOrWhiteSpace(urlformat))
{
element.SetAttribute("NavigateUrl", string.Format(urlformat, objTreeData.TreeNodeID.ToString(), objTreeData.ParentID, num).EncryptModuleQuery());
}
objXmlElement.AppendChild(element);
}
CreateTreeXmlElement(xmlDocSource, objTreeData.TreeNodeID, element, objTreeDataList, urlformat, objAction);
}
}
}
