using Core.StlMes.Client.Qcm.model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Windows.Forms;

namespace Core.StlMes.Client.Qcm
{
    public partial class CtrlTreeView : UserControl
    {
        private string _code = "";
        public string NodeCode
        {
            get { return _code; }
        }
        private string _name = "";
        public string NodeName
        {
            get { return _name; }
        }

        public event EventHandler CtrlTreeViewDoubleClick;
        public event TreeViewEventHandler CtrlTreeViewAfterSelect;
        public CtrlTreeView(List<TreeViewEntity> list)
        {
            InitializeComponent();
            List<TreeViewEntity> listTmp = list.AsQueryable().Where(a => a.PCode == "").ToList();
            foreach (TreeViewEntity treeViewEntity in listTmp)
            {
                TreeNode tmpNode = new TreeNode(treeViewEntity.Name);
                tmpNode.Name = treeViewEntity.Code;
                list.Remove(treeViewEntity);
                treeView1.Nodes.Add(tmpNode);
                if (treeViewEntity.Name == _code)
                {
                    treeView1.SelectedNode = tmpNode;
                }
                InitTreeView(tmpNode, list);
            }
        }

        //private TreeNode GetTreeViewNode(List<TreeViewEntity> list, string code)
        //{
        //    List<string> listKeys = GetTreeViewNodeKeys(list, code);
        //    TreeNodeCollection nodes = treeView1.Nodes;
        //    nodes[listKeys[listKeys.Count - 1]].ExpandAll();
        //    for (int i = listKeys.Count - 1; i >= 0; i--)
        //    {
        //        nodes = nodes[listKeys[i]].Nodes;
        //    }
        //    return nodes[code];
        //}

        //private List<string> GetTreeViewNodeKeys(List<TreeViewEntity> list, string code)
        //{
        //    List<string> listKeys = new List<string>();
        //    IQueryable<TreeViewEntity> queryable = list.AsQueryable();
        //    int parentCnt = 1;
        //    string parentCode = "";
        //    TreeViewEntity[] treeViewEntitys = queryable.Where(a => a.Code == code).ToArray();
        //    while (treeViewEntitys.Length > 0)
        //    {
        //        parentCode = treeViewEntitys[0].PCode;
        //        parentCnt = queryable.Where(a => a.Code == parentCode).Count();
        //        listKeys.Add(parentCode);
        //        treeViewEntitys = queryable.Where(a => a.Code == parentCode).ToArray();
        //    }
        //    return listKeys;
        //}

        private void InitTreeView(TreeNode node, List<TreeViewEntity> list)
        {
            List<TreeViewEntity> listTmp = list.AsQueryable().Where(a => a.PCode == node.Name).ToList();
            foreach (TreeViewEntity treeViewEntity in listTmp)
            {
                TreeNode tmpNode = new TreeNode(treeViewEntity.Name);
                tmpNode.Name = treeViewEntity.Code;
                list.Remove(treeViewEntity);
                node.Nodes.Add(tmpNode);

                if (treeViewEntity.Name == _code)
                {
                    treeView1.SelectedNode = tmpNode;
                }
                InitTreeView(tmpNode, list);
            }
        }

        private void treeView1_DoubleClick(object sender, EventArgs e)
        {
            _code = treeView1.SelectedNode.Name;
            _name = treeView1.SelectedNode.Text;
            if (CtrlTreeViewDoubleClick != null)
            {
                CtrlTreeViewDoubleClick(sender, e);
            }
        }

        public void SetTreeViewNodeSelected(string code)
        {
            if (code == "") treeView1.CollapseAll();
            foreach (TreeNode node in treeView1.Nodes)
            {
                if (node.Name == code) treeView1.SelectedNode = node;
                else
                {
                    TreeNode tmpNode = ForeachTreeView(node, code);
                    if (tmpNode == null) continue;
                    else treeView1.SelectedNode = tmpNode;
                }
            }
        }

        private TreeNode ForeachTreeView(TreeNode node, string code)
        {
            foreach (TreeNode tmpNode in node.Nodes)
            {
                if (tmpNode.Name == code) return tmpNode;
                else
                {
                    TreeNode tmp2Node = ForeachTreeView(tmpNode, code);
                    if (tmp2Node == null) continue;
                    else return tmp2Node;
                }
            }
            return null;
        }

        private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
        {
            if (CtrlTreeViewAfterSelect != null)
            {
                CtrlTreeViewAfterSelect(sender, e);
            }
        }
    }
}