119 lines
4.2 KiB
C#
119 lines
4.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Xml.Linq;
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namespace VisableComponents
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{
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public partial class MyTreeView : UserControl
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{
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List<string> hierarchy = new List<string>();
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public MyTreeView()
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{
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InitializeComponent();
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}
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public void addToHierarchy(List<string> list) { hierarchy = list; }
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public int GetId
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{
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get {
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if(treeView.SelectedNode.FirstNode == null)
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return treeView.SelectedNode.Index;
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return -1;
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}
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}
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public object GetNode<T>(T nodeClass) where T: Type
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{
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if (hierarchy == null || hierarchy.Count == 0)
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{
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throw new Exception("Не задана иерархия");
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}
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if (treeView.SelectedNode?.FirstNode != null)
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{
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throw new Exception("Выбран не крайний элемент");
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}
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var res = Activator.CreateInstance(nodeClass);
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T child;
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TreeNode? parent = treeView.SelectedNode;
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do
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{
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if (nodeClass.GetField(parent.Name) == null)
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nodeClass.GetProperty(parent.Name).SetValue(res, parent.Text);
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else nodeClass.GetField(parent.Name).SetValue(res, parent.Text);
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parent = parent.Parent;
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} while (parent != null);
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return res;
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}
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public void LoadTree<T>(List<T> nodes)
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{
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if(hierarchy == null || hierarchy.Count == 0)
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{
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throw new Exception("Не задана иерархия");
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}
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treeView.Nodes.Clear();
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foreach (T node in nodes)
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{
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TreeNode parent = null;
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Type type = node.GetType();
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foreach(string step in hierarchy)
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{
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var aa = type.GetFields();
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if (type.GetField(step) != null || type.GetProperty(step) != null)
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{
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var value = type.GetField(step) == null ? type.GetProperty(step).GetValue(node) : type.GetField(step).GetValue(node);
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TreeNode[] nodesLevel;
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if (parent == null)
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{
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nodesLevel = treeView.Nodes.Find(step, false);
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TreeNode currentNode = nodesLevel.FirstOrDefault(x => x.Text.Equals(value));
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if (currentNode is null)
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{
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TreeNode newNode = new TreeNode(value.ToString());
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newNode.Name = step;
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treeView.Nodes.Add(newNode);
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parent = newNode;
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}else
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{
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parent = currentNode;
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continue;
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}
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}
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else
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{
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nodesLevel = parent.Nodes.Find(step, false);
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TreeNode currentNode = nodesLevel.FirstOrDefault(x => x.Text.Equals(value));
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if (currentNode is null)
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{
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TreeNode newNode = new TreeNode(value.ToString());
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newNode.Name = step;
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parent.Nodes.Add(newNode);
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parent = newNode;
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}else
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{
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parent = currentNode;
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continue;
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}
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}
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}
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else break;
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}
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}
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}
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}
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}
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