public ZTree(Webpages_Roles role)
{
ID = role.Code;
Name = role.RoleName;
NodeType = "Role";
ICON = "Content/zTreeStyle/img/role.gif";
}
public ActionResult CreateRole(string parentNodeCode = null)
{
if (!string.IsNullOrEmpty(parentNodeCode))
{
var parent = db.WebPagesRoles.Find(parentNodeCode);
if (parent == null)
return HttpNotFound();
ViewBag.ParentCode = parent.Code;
ViewBag.ParentName = parent.RoleName;
}
Webpages_Roles role = new Webpages_Roles()
{
IndexOrder = 1
};
return View(role);
}
public ActionResult CreateRole(Webpages_Roles role, string parentNodeCode = null)
{
if (!string.IsNullOrEmpty(parentNodeCode))
{
var parent = db.WebPagesRoles.Find(parentNodeCode);
if (parent == null)
{
return HttpNotFound();
}
if (parent.GetSubRoleByName(role.RoleName, db) != null)
{
return Content(role.RoleName + " Exist!");
}
//生成新的编码
string codeHead = parent.Code + "-";
var curLevelCodes = (from r in db.WebPagesRoles
where r.Code.IndexOf(codeHead) == 0
orderby r.Code
select r.Code).ToList();
if (curLevelCodes.Count == 0)
{
role.Code = codeHead + "1";
}
else
{
//只申请这么多个(groups.Length)标志位足够了,
//因为,如果全占了,就返回groups.Length+1,
//如果没有全占,那么中间肯定有空位
System.Collections.BitArray ba = new BitArray(curLevelCodes.Count);
//找空号
int ValidID = -1;
foreach (var c in curLevelCodes)
{
string[] ary = c.Split('-');
int tmp = Convert.ToInt32(ary[ary.Length - 1]);
if (tmp > curLevelCodes.Count)//超出的不予理会
continue;
ba[tmp - 1] = true;//打标
}
for (int i = 0; i < ba.Length; i++)
{//从中查找空位
if (!ba[i])
{
ValidID = i + 1;
break;
}
}
if (ValidID == -1)//位全占
ValidID = curLevelCodes.Count + 1;
role.Code = codeHead + ValidID;
}
}
else
{
role.Code = role.Type.ToString();
}
var tmpAry = role.Code.Split('-');
role.Type = Convert.ToInt32(tmpAry[0]);
role.Deep = tmpAry.Length - 1;
db.WebPagesRoles.Add(role);
db.SaveChanges();
return Content(Boolean.TrueString);
}
public ActionResult EditRole(Webpages_Roles role)
{
if (ModelState.IsValid)
{
db.Entry(role).State = System.Data.EntityState.Modified;
db.SaveChanges();
}
return Content(Boolean.TrueString);
}
public static Webpages_Roles GetOrCreateRoot(int type=1,string rootName="Root",WebPagesContext db=null)
{
bool flag = db == null;
try
{
string code = type.ToString();
if (flag) db = new WebPagesContext();
var root = db.WebPagesRoles.Where(o => o.Type == type && o.RoleName == rootName &&
o.Deep == 0 && o.Code == code).FirstOrDefault();
if (root == null)
{
root = new Webpages_Roles()
{
Type = type,
RoleName = rootName,
Deep = 0,
Code = type.ToString(),
};
db.WebPagesRoles.Add(root);
db.SaveChanges();
}
return root;
}
finally
{
if (flag)
db.Dispose();
}
}