/// <summary>
/// 加载树形数据
/// </summary>
/// <param name="tree"></param>
public void Load(ArrayList tree)
{
//节点必须有idField
if (tree == null)
{
tree = new ArrayList();
}
list = TreeUtil.ToList(tree, "-1", nodesField, idField, pidField);
dataview = null;
//idField存储哈希，便于快速检索
idMaps = new Hashtable();
for (int i = list.Count - 1; i >= 0; i--)
{
Hashtable node = (Hashtable)list[i];
idMaps[node[idField].ToString()] = node;
}
//遍历列表，生成leafField, levelField
for (int i = list.Count - 1; i >= 0; i--)
{
Hashtable node = (Hashtable)list[i];
String id = node[idField].ToString();
ArrayList nodes = (ArrayList)node[nodesField];
node[leafField] = (nodes == null || nodes.Count == 0) ? true : false;
node[levelField] = GetAncestors(id).Count;
}
//清除折叠信息
_collapseNodes = new ArrayList();
DoExpandeds();
//清除过滤信息
filtered = null;
}
/// <summary>
/// 加载列表数据
/// </summary>
/// <param name="list"></param>
public void LoadList(ArrayList list)
{
if (list == null)
{
list = new ArrayList();
}
ArrayList tree = TreeUtil.ToTree(list, nodesField, idField, pidField);
Load(tree);
}