257 lines
9.9 KiB
C#
257 lines
9.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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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.IO;
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//自定义封装控件：
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//（1）控件为成员【本代码使用此方法】：https://blog.csdn.net/wanlong360599336/article/details/7578447
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//（2）继承控件：https://blog.csdn.net/aoshilang2249/article/details/41252781?utm_medium=distribute.pc_relevant_bbs_down.none-task-blog-baidujs-2.nonecase&depth_1-utm_source=distribute.pc_relevant_bbs_down.none-task-blog-baidujs-2.nonecase
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namespace TreeViewTc
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{
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public delegate void Delegate1(string vinfo);//申明委托类型：用于进度条的更新
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public partial class TreeViewTc2 : UserControl
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{
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public TreeViewTc2()
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{
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InitializeComponent();
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treeView1.ExpandAll();
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//treeView1.NodeMouseClick += new TreeNodeMouseClickEventHandler(treeView1_NodeMouseClick);
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//this.treeView1.ContextMenuStrip = this.contextMenuStrip1;//这行代码有问题：在控件treeView1任何位置鼠标右击都会显示右键菜单
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}
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void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
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{
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if (e.Button != MouseButtons.Right) return;
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if (e.Node.Parent == null || e.Node == null) return;
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treeView1.SelectedNode = e.Node;
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contextMenuStrip1.Show(treeView1, e.X, e.Y);
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}
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public event Delegate1 PlotSifEvent;//申明事件
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private void treeView1_NodeMouseDoubleClick(object sender, TreeNodeMouseClickEventArgs e)
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{
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if (e.Button != MouseButtons.Left) return;
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if (e.Node.Parent == null || e.Node == null) return;
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treeView1.SelectedNode = e.Node;
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string nodeName = treeView1.SelectedNode.Name;
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if (PlotSifEvent != null)
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{
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PlotSifEvent(nodeName);
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}
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}
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private void TreeViewTc2_Load(object sender, EventArgs e)
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{
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////实例化TreeNode类 TreeNode(string text,int imageIndex,int selectImageIndex)
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//TreeNode rootNode = new TreeNode("我的电脑"); //载入显示 选择显示
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//rootNode.Tag = "我的电脑"; //树节点数据
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//rootNode.Text = "我的电脑"; //树节点标签内容
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//treeView1.Nodes.Add(rootNode); //树中添加根目录
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////显示MyDocuments(我的文档)结点
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//var myDocuments = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);//获取计算机我的文档文件夹
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//TreeNode DocNode = new TreeNode(myDocuments);
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//DocNode.Tag = "我的文档"; //设置结点名称
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//DocNode.Text = "我的文档";
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////DocNode.ImageIndex = IconIndexes.MyDocuments; //设置获取结点显示图片
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////DocNode.SelectedImageIndex = IconIndexes.MyDocuments; //设置选择显示图片
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//rootNode.Nodes.Add(DocNode); //rootNode目录下加载节点
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//DocNode.Nodes.Add("");
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////循环遍历计算机所有逻辑驱动器名称(盘符)
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//foreach (string drive in Environment.GetLogicalDrives())
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//{
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// //实例化DriveInfo对象 命名空间System.IO
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// var dir = new DriveInfo(drive);
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// switch (dir.DriveType) //判断驱动器类型
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// {
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// case DriveType.Fixed: //仅取固定磁盘盘符 Removable-U盘
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// {
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// //Split仅获取盘符字母
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// TreeNode tNode = new TreeNode(dir.Name.Split(':')[0]);
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// tNode.Name = dir.Name;
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// tNode.Tag = tNode.Name;
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// //tNode.ImageIndex = IconIndexes.FixedDrive; //获取结点显示图片
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// //tNode.SelectedImageIndex = IconIndexes.FixedDrive; //选择显示图片
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// treeView1.Nodes.Add(tNode); //加载驱动节点
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// tNode.Nodes.Add("");
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// }
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// break;
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// }
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//}
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//rootNode.Expand();//展开树状视图
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//string path = @"D:\Desktop\0easySifProject";
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//Initialize(path);
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}
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private string mPath;
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public void Initialize(string path)
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{
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string[] dics = Directory.GetDirectories(path);
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foreach (string dic in dics)
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{
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if (dic.Contains("sifTmp"))
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{
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continue;
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}
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TreeNode subNode = new TreeNode(new DirectoryInfo(dic).Name);//实例化
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subNode.Name = new DirectoryInfo(dic).FullName;//完整目录
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subNode.Tag = subNode.Name;
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treeView1.Nodes.Add(subNode);
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subNode.Nodes.Add("");//加载空节点 实现+号
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}
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mPath = path;
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}
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public void reInitialize()
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{
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clearAll();
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Initialize(mPath);
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}
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public void clearAll()
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{
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treeView1.Nodes.Clear();
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}
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private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
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{
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}
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public void AddRootNode(string NodeName)
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{
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//添加根节点
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treeView1.Nodes.Add(NodeName.Trim());
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}
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private void btnAddSonNode_Click(string SonNodeName)
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{
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if (treeView1.SelectedNode == null)
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{
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MessageBox.Show("请选择要添加子节点的节点！");
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return;
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}
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treeView1.SelectedNode.Nodes.Add(SonNodeName.Trim());
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}
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private void btnDelete_Click(object sender, EventArgs e)
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{
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}
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private void treeView1_AfterExpand(object sender, TreeViewEventArgs e)
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{
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e.Node.Expand();
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}
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private void treeView1_BeforeExpand(object sender, TreeViewCancelEventArgs e)
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{
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TreeViewItems.Add(e.Node);
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}
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public event Delegate1 DeleteEvent;//申明事件
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private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
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{
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string nodeName = treeView1.SelectedNode.Name;
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if (MessageBox.Show("确认删除？", "此删除不可恢复", MessageBoxButtons.YesNo) == DialogResult.Yes)
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{
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if (DeleteEvent != null)
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{
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DeleteEvent(nodeName);
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treeView1.SelectedNode.Remove();
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}
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}
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}
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private void treeView1_MouseUp(object sender, MouseEventArgs e)
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{
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}
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public event Delegate1 SaveAsEvent;//申明事件
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private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
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{
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string nodeName = treeView1.SelectedNode.Name;
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if (SaveAsEvent != null)
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{
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SaveAsEvent(nodeName);
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}
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}
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}
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public static class TreeViewItems
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{
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public static void Add(TreeNode treeNode)
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{
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//try..catch异常处理
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try
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{
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//判断"我的电脑"Tag 上面加载的该结点没指定其路径
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if (treeNode.Tag.ToString() != "我的电脑")
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{
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treeNode.Nodes.Clear();//清除空节点再加载子节点
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TreeNode tNode = treeNode;//获取选中\展开\折叠结点
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string path = tNode.Name;//路径
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//获取"我的文档"路径
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if (treeNode.Tag.ToString() == "我的文档")
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{
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path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);//获取计算机我的文档文件夹
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}
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//获取指定目录中的子目录名称并加载结点
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string[] dics = Directory.GetDirectories(path);
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foreach (string dic in dics)
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{
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TreeNode subNode = new TreeNode(new DirectoryInfo(dic).Name);//实例化
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subNode.Name = new DirectoryInfo(dic).FullName;//完整目录
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subNode.Tag = subNode.Name;
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//subNode.ImageIndex = IconIndexes.ClosedFolder;//获取节点显示图片
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//subNode.SelectedImageIndex = IconIndexes.OpenFolder;//选择节点显示图片
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tNode.Nodes.Add(subNode);
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subNode.Nodes.Add("");//加载空节点 实现+号
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}
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//获取目录中的文件
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string[] files = Directory.GetFiles(path);
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foreach (string file in files)
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{
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string[] nameTmp = file.Split('\\');
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string name = nameTmp[nameTmp.Length - 1];
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TreeNode subNode = new TreeNode(name);//实例化
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subNode.Name = file;//完整目录
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subNode.Tag = subNode.Name;
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//subNode.ImageIndex = IconIndexes.ClosedFolder;//获取节点显示图片
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//subNode.SelectedImageIndex = IconIndexes.OpenFolder;//选择节点显示图片
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tNode.Nodes.Add(subNode);
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}
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}
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}
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catch (Exception msg)
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{
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MessageBox.Show(msg.Message);//异常处理
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}
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}
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}
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}
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