//查询到的数据可以进行缓存
public List <NodeInfoFromDB> GetAllOrgnizationInfo()
{
List <int> liCount = new List <int> {
30, 20, 40, 40
}; //每个节点的子节点数量
//根 zhongguo 中国 1
NodeInfoFromDB root = new NodeInfoFromDB {
ParentIndex = "0", Index = "1", Name = "中国"
};
List <string> liProvinceName = new List <string> {
"浙江", "杭州", "萧山", "西兴"
};
List <string> liNodeIndex = new List <string> {
"zhejiang", "hangzhou", "xiaoshan", "xixing"
};
List <List <NodeInfoFromDB> > matrix = new List <List <NodeInfoFromDB> >();
matrix.Add(new List <NodeInfoFromDB> {
root
});
//先添加第一层
List <NodeInfoFromDB> listFirst = new List <NodeInfoFromDB>();//z浙江01到30
for (int j = 1; j < liCount[0] + 1; ++j)
{
var temp = new NodeInfoFromDB {
Index = liNodeIndex[0] + j.ToString().PadLeft(2, '0'), Name = liProvinceName[0] + j.ToString().PadLeft(2, '0'), ParentIndex = "1"
};
listFirst.Add(temp);
}
matrix.Add(listFirst);
List <NodeInfoFromDB> listRow = new List <NodeInfoFromDB>(listFirst);//当前行
for (int i = 1; i < liProvinceName.Count; ++i)
{
List <NodeInfoFromDB> listTemp = new List <NodeInfoFromDB>();//下一行
foreach (var item in listRow)
{
for (int jk = 1; jk < liCount[i] + 1; ++jk)
{
var temp = new NodeInfoFromDB
{
Index = item.Index.Replace(liNodeIndex[i - 1], liNodeIndex[i]) + jk.ToString().PadLeft(2, '0'),
Name = item.Name.Replace(liProvinceName[i - 1], liProvinceName[i]) + jk.ToString().PadLeft(2, '0'),
ParentIndex = item.Index
};
listTemp.Add(temp);
}
}
listRow = new List <NodeInfoFromDB>(listTemp);
matrix.Add(listTemp);
}
var allOrgs = new List <NodeInfoFromDB>();
matrix.ForEach(c => allOrgs.AddRange(c));
return(allOrgs);
}
/// <summary>
/// 从缓存中获取树节点，不存在则创建，
/// </summary>
/// <param name="org"></param>
/// <returns></returns>
private TreeNodeModel GetOrCreateCacheOrgsNode(NodeInfoFromDB org)
{
TreeNodeModel model;
if (!_cacheOrgs.TryGetValue(org.Index, out model))
{
model = TransFromNodeInfo(org);
_cacheOrgs.Add(org.Index, model);
}
return(model);
}
public TreeNodeModel TransFromNodeInfo(NodeInfoFromDB info)
{
if (info == null)
{
return(null);
}
return(new TreeNodeModel
{
Index = info.Index,
Name = info.Name,
ParentIndex = info.ParentIndex,
Nodes = new ObservableCollection <TreeNodeModel>()
});
}
/// <summary>
/// 根据信息，创建不同节点（组织还是设备）
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
public TreeNodeModel TransFromNodeInfo(NodeInfoFromDB info)
{
if (info == null)
{
return(null);
}
return(new TreeNodeModel
{
Index = info.Index,
Name = info.Name,
ParentIndex = info.ParentIndex,
Nodes = new ObservableCollection <TreeNodeModel>(),
//Image= new BitmapImage(new Uri(@"th.jfif")),//bad performance
Image = TreeUtil.ImageRescource//use static Image will imporve performance
});
}