//// NodeId: id, NodeInfo: nodeInfo, XmlUrl: temp.xmlUrl public ActionResult OperateTreeNode(string modeType, string _modeType, string nodeId, string nodeInfo, string xmlUrl) { using (RRDLEntities db = new RRDLEntities()) { Tree tree = new Tree(); TreeNode treeNode = null; switch (modeType) { case "rename": string id = nodeId; string name = nodeInfo; treeNode = tree.GetTreeNodeById(Int32.Parse(id)); treeNode.Title = name; tree.UpdateTreeNode(treeNode); returnStr = "ok&" + treeNode.ParentId; break; case "delete": returnStr = DeleteNode(_modeType, nodeId, xmlUrl); break; case "insert": //List<NodeInfo> nodeList = this.GetListFromJson(nodeInfo); //returnStr = this.InserNode(_modeType, nodeId, xmlUrl, nodeList); //bool flag = true; Tree tree2 = new Tree(db); List<TreeNode> list = tree2.GetTreeNodeChild(Int32.Parse(nodeId)); //for (int i = 0; i < list.Count;i++ ) //{ // if(list[i].Ariticle != null){ // flag = false; // } //} //if (flag) //{ treeNode = new TreeNode(Int32.Parse(nodeId), "新建节点"); tree.AddTreeNode(treeNode); returnStr = "ok"; //} //else { // returnStr = "该节点下存在文章,不能添加文件夹!"; //} break; } return Content(returnStr); } }
//The Function Bllew is Added By ZHAOs ,2013年11月14日10:02:13,used to Delete A TreeNode in 目录树管理 public string DeleteNode(string _modeType, string nodeId, string xmlUrl) { // _modeType = "deleteFolder" ,modeId = "6" ,xmlUrl = "" 传入的参数大致形式如此 Tree tree = new Tree(); TreeNode treeNode = tree.GetTreeNodeById(Convert.ToInt32(nodeId)); string returnStr = ""; /* 如果这个节点是叶子节点 如果是空文件夹 --文件夹(ariticleID为空且isLeaf属性为True),为空文件夹 ===> 可删除 如果是知识 --不能删除知识 (此时 ariticleID属性不为NULL 且 idLeaf属性为 True即是) 如果这个节点不是叶子节点(即非空文件夹,里面可能有知识或者 为空不为空的 文件夹)(ariticleID为空且isLeaf属性为false)====> 不能删除 PS:但是这里不显示知识,所以只可能有 叶子节点文件夹 和 非叶子节点文件夹。 * 叶子节点文件夹内部一定没有知识,可以直接删除 ===>有知识的情况 以后版本考虑 * 非叶子节点文件夹内容一定有文件夹或知识,不能删除。 * 逻辑较简单。 * 只是只能从叶子节点删起 * PS:如果一个父节点其下的所有子节点都被删除,则该父节点的IsLeaf属性变为True */ if (treeNode.IsLeaf == true) { //如果是根目录 if (treeNode.ParentId == null) { returnStr = "根目录不可删除!"; } else {//若果其父节点下只有这一个子节点,则删除此子节点并把父节点isLeaf属性设为True TreeNode parentNode = tree.GetTreeNodeById(Convert.ToInt32(treeNode.ParentId)); List<TreeNode> parentChildList = tree.GetTreeNodeChild(Convert.ToInt32(treeNode.ParentId)); if (parentChildList.Count == 1) { parentNode.IsLeaf = true; } tree.UpdateTreeNode(parentNode);//改变父节点isLeaf属性 tree.Drop(treeNode);//删除子节点 returnStr = "ok"; } } else { returnStr = "该节点下存在子文件夹或知识,不能删除!"; } return returnStr; }
//获取树的路径 public string getTreePath(string treeNode) { Tree tree = new Tree(); TreeNode tn = tree.GetTreeNodeById(Int32.Parse(treeNode)); List<TreeNode> list = tree.GetTreeNodePath(tn); string result = ""; for (int i = list.Count-1; i >= 0 ;i-- ) { result = result + list[i].Title + "TreeSplit"; } return result; }
/// <summary> /// 通过TreeNodeId获取Ariticle /// </summary> /// <param name="_modeType"></param> /// <param name="_nodeId"></param> /// <param name="_xmlUrl"></param> /// <param name="_nodeInfo"></param> /// <returns></returns> public ActionResult GetAriticleByTreeNodeId(string treeNodeId,string userId) { using (RRDLEntities db = new RRDLEntities()) { Tree tree = new Tree(db); Ariticle ariticle = tree.GetTreeNodeById(Int32.Parse(treeNodeId)).Ariticle; PraiseRepository pr = new PraiseRepository(); //如果是叶子节点,传递知识内容到前台 if (ariticle != null) { AriticleViewModel avm = new AriticleViewModel(ariticle); UserService us = new UserService(); User author = us.FindById(ariticle.UserId); avm.author = author.NickName; string time1 = ariticle.Createtime.ToLongDateString(); string time2 = ariticle.Createtime.ToLongTimeString(); avm.Createtime = time1 + " " + time2; //avm.PraiseCount = pr.FindByAriticleID(ariticle.Id).PraiseCount; avm.Id = ariticle.Id; AriticleService ars = new AriticleService(); string isShow = ""; if(userId == "vistor"){ userId = null; } if (ars.GetAriticleVisibilityByUser(ariticle.Id, userId)) { bool falg = ars.GetAriticleVisibilityByUser(ariticle.Id, userId); isShow = "true"; } else { bool falg = ars.GetAriticleVisibilityByUser(ariticle.Id, userId); isShow = "false"; } User user = us.FindById(userId); if(user!=null && user.ContentGroupId == 2){ isShow = "true"; } string result = JsonConvert.SerializeObject(avm); result = result + "ThisAriticleIsShowForThisUser" + isShow; return Content(result); } else { return Content("NotLeaf"); } } }
public List<ClassifyTreeNodes> ReadTreeNodes(List<ClassifyTreeNodes> treeNodes, int? id) { Tree tree = new Tree(); List<TreeNode> newTreeNodes = tree.GetParentsTreeNodes(id); List<ClassifyTreeNodes> treeNodeLists = new List<ClassifyTreeNodes>(); for (int i = 0; i < newTreeNodes.Count; i++) { ClassifyTreeNodes treeNode = new ClassifyTreeNodes(); treeNode.Title = newTreeNodes[i].Title; //treeNode.AriticleId = newTreeNodes[i].Ariticle.Id; treeNode.Id = newTreeNodes[i].Id; treeNode.ParentId = newTreeNodes[i].ParentId; treeNode.IsLeaf = newTreeNodes[i].IsLeaf; if (treeNode.ParentId == null) { treeNodes.Add(treeNode); treeNodeLists.Add(treeNode); } //if (treeNode.IsLeaf == false) //{ // ReadTreeNodes(treeNodes, treeNode.Id); //} } for (int j = 0; j < treeNodes.Count; j++) { List<TreeNode> tns = new List<TreeNode>(); tns = tree.GetTreeNodeChild(Int32.Parse(treeNodes[j].Id.ToString())); for (int k = 0; k < tns.Count; k++) { TreeNode treeNode = tree.GetTreeNodeById(Int32.Parse(tns[k].Id.ToString())); ClassifyTreeNodes classifyTreeNodes = new ClassifyTreeNodes(); classifyTreeNodes.Id = treeNode.Id; classifyTreeNodes.IsLeaf = treeNode.IsLeaf; classifyTreeNodes.ParentId = treeNode.ParentId; classifyTreeNodes.Title = treeNode.Title; treeNodeLists.Add(classifyTreeNodes); } } return treeNodeLists; }