public bool HasChildren(MenuTree menu)
{
using (var db = new WebPagesContext())
{
return db.MenuTrees.Where(o=>o.ParentId == menu.MenuId).Any();
}
}
public ActionResult Create()
{
MenuTree tree = new MenuTree()
{
OrderIndex = 1
};
return View(tree);
}
public ActionResult Create(MenuTree menu)
{
db.MenuTrees.Add(menu);
db.SaveChanges();
MenuNavigation.ClearMenuTreeCache();
string parentid = Request.QueryString["parentid"];
if (!string.IsNullOrEmpty(parentid))
return RedirectToAction("index", new {@parentId=parentid });
return RedirectToAction("index");
}
public ActionResult Edit(MenuTree menu)
{
if (ModelState.IsValid)
{
db.Entry(menu).State = System.Data.EntityState.Modified;
db.SaveChanges();
MenuNavigation.ClearMenuTreeCache();
string parentid = Request.QueryString["parentid"];
if(!string.IsNullOrEmpty(parentid))
return RedirectToAction("index", new { @parentId = parentid });
return RedirectToAction("index");
}
MenuNavigation.ClearMenuTreeCache();
return View(menu);
}
/// <summary>
/// 创建新的TreeNode，并按选项赋值
/// </summary>
/// <param name="row"></param>
/// <param name="AppVirtualPath"></param>
/// <param name="ChechBox"></param>
/// <param name="isAddUrl"></param>
/// <param name="Expand"></param>
/// <returns></returns>
public static TreeNode newTreeNode(MenuTree tree, string AppVirtualPath, bool ChechBox,
bool isAddUrl, bool Expand)
{
TreeNode node = new TreeNode();
node.ShowCheckBox = ChechBox;
node.Expanded = Expand;
node.Target = _Target;
node.Text = tree.MenuName;
node.Value = tree.MenuId.ToString();
if (isAddUrl)
{
node.NavigateUrl = FillPath(AppVirtualPath,tree.PageUrl);
if (node.NavigateUrl == null || node.NavigateUrl.Length == 0)
node.SelectAction = TreeNodeSelectAction.Expand;
//如果没有指定Url那么就把罗列子节点的页面加上
// if (node.NavigateUrl == null || node.NavigateUrl.Length == 0)
// node.NavigateUrl = m_NulParentUrl + "?SYS__NodeID=" + node.Value;
}
else
{
node.SelectAction = TreeNodeSelectAction.Expand;
}
if(!string.IsNullOrEmpty(tree.OpenTarget))
node.Target = tree.OpenTarget;
return node;
}
