/// <summary>
/// 构造TreeNode 实例
/// </summary>
/// <param name="item"></param>
/// <param name="childrenItems"></param>
/// <param name="isSelected"></param>
/// <returns></returns>
private JsTreeModel CreateJsTreeModelInstance(FunctionMenu item,
JsTreeModel[] childrenItems, bool isSelected)
{
JsTreeModel model = null;
if (childrenItems.Count() > 0)
{
model = new JsTreeModel
{
data = item.FuncName,
attr = new JsTreeAttribute
{
id = item.ID.ToString(),
selected = isSelected
},
children = childrenItems
};
}
else
{
model = new JsTreeModel
{
data = item.FuncName,
attr = new JsTreeAttribute
{
id = item.ID.ToString(),
selected = isSelected
}
};
}
return model;
}
/// <summary>
/// 生成JsTreeView格式数据
/// </summary>
/// <returns></returns>
public JsTreeModel[] GetJsTreeView()
{
//ToList()是事先加载数据进来，避免再次出现datareader未未关闭的情况
IEnumerable<FunctionMenu> functionList = this.GetAll<FunctionMenu, EPFunction>().ToList<FunctionMenu>();
var rootItems = from a in functionList
where a.ParentFuncId == 0
select a;
int index = 0;
JsTreeModel[] jsTreeTop = new JsTreeModel[rootItems.Count()];
foreach (var item in rootItems)
{
JsTreeModel[] childrenItems = GetChildren(item.ID, functionList);
var model = CreateJsTreeModelInstance(item, childrenItems, true);
jsTreeTop[index++] = model;
}
return jsTreeTop;
}
/// <summary>
/// 获取子节点递归方法
/// </summary>
/// <param name="parentId"></param>
/// <returns></returns>
private JsTreeModel[] GetChildren(int parentId, IEnumerable<FunctionMenu> functionList)
{
IEnumerable<FunctionMenu> filterList = from a in functionList
where a.ParentFuncId == parentId
select a;
int index = 0;
JsTreeModel[] jstreeInner = new JsTreeModel[filterList.Count()];
foreach (var item in filterList)
{
JsTreeModel[] childrenItems = GetChildren(item.ID, functionList);
var model = CreateJsTreeModelInstance(item, childrenItems, false);
jstreeInner[index++] = model;
}
return jstreeInner;
}
