03장 My ExPlorer 만들기

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using System.Management;
using System.Globalization;

namespace My_Explorer
{
 // Author: Paul Li
 // Create Date: 8/1/2002
 
 public class Explorer : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Splitter splitter1;
  private System.Windows.Forms.MainMenu mainMenu1;
  private System.Windows.Forms.MenuItem menuItem1;
  private System.Windows.Forms.MenuItem menuItem2;
  private System.Windows.Forms.MenuItem menuItem3;
  private System.Windows.Forms.MenuItem menuItem4;
  private System.Windows.Forms.TreeView tvFolders;
  private System.Windows.Forms.ListView lvFiles;
  private System.Windows.Forms.ImageList m_imageListTreeView;
  private System.ComponentModel.IContainer components;

  public Explorer()
  {
   //
   // Required for Windows Form Designer support
   //
   InitializeComponent();

   // Populate TreeView with Drive list
   PopulateDriveList();
  }

  /// <summary>
  /// Clean up any resources being used.
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows Form Designer generated code
  /// <summary>
  /// Required method for Designer support - do not modify
  /// the contents of this method with the code editor.
  /// </summary>
  private void InitializeComponent()
  {
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Explorer));
            this.tvFolders = new System.Windows.Forms.TreeView();
            this.m_imageListTreeView = new System.Windows.Forms.ImageList(this.components);
            this.splitter1 = new System.Windows.Forms.Splitter();
            this.lvFiles = new System.Windows.Forms.ListView();
            this.mainMenu1 = new System.Windows.Forms.MainMenu(this.components);
            this.menuItem1 = new System.Windows.Forms.MenuItem();
            this.menuItem2 = new System.Windows.Forms.MenuItem();
            this.menuItem3 = new System.Windows.Forms.MenuItem();
            this.menuItem4 = new System.Windows.Forms.MenuItem();
            this.SuspendLayout();
            //
            // tvFolders
            //
            this.tvFolders.Dock = System.Windows.Forms.DockStyle.Left;
            this.tvFolders.ImageIndex = 0;
            this.tvFolders.ImageList = this.m_imageListTreeView;
            this.tvFolders.Location = new System.Drawing.Point(0, 0);
            this.tvFolders.Name = "tvFolders";
            this.tvFolders.SelectedImageIndex = 0;
            this.tvFolders.Size = new System.Drawing.Size(202, 357);
            this.tvFolders.TabIndex = 2;
            this.tvFolders.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.tvFolders_AfterSelect);
            //
            // m_imageListTreeView
            //
            this.m_imageListTreeView.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("m_imageListTreeView.ImageStream")));
            this.m_imageListTreeView.TransparentColor = System.Drawing.Color.Transparent;
            this.m_imageListTreeView.Images.SetKeyName(0, "");
            this.m_imageListTreeView.Images.SetKeyName(1, "");
            this.m_imageListTreeView.Images.SetKeyName(2, "");
            this.m_imageListTreeView.Images.SetKeyName(3, "");
            this.m_imageListTreeView.Images.SetKeyName(4, "");
            this.m_imageListTreeView.Images.SetKeyName(5, "");
            this.m_imageListTreeView.Images.SetKeyName(6, "");
            this.m_imageListTreeView.Images.SetKeyName(7, "");
            this.m_imageListTreeView.Images.SetKeyName(8, "");
            //
            // splitter1
            //
            this.splitter1.Location = new System.Drawing.Point(202, 0);
            this.splitter1.Name = "splitter1";
            this.splitter1.Size = new System.Drawing.Size(3, 357);
            this.splitter1.TabIndex = 3;
            this.splitter1.TabStop = false;
            //
            // lvFiles
            //
            this.lvFiles.Dock = System.Windows.Forms.DockStyle.Fill;
            this.lvFiles.Location = new System.Drawing.Point(205, 0);
            this.lvFiles.Name = "lvFiles";
            this.lvFiles.Size = new System.Drawing.Size(395, 357);
            this.lvFiles.TabIndex = 4;
            this.lvFiles.UseCompatibleStateImageBehavior = false;
            this.lvFiles.View = System.Windows.Forms.View.Details;
            //
            // mainMenu1
            //
            this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
            this.menuItem1,
            this.menuItem3});
            //
            // menuItem1
            //
            this.menuItem1.Index = 0;
            this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
            this.menuItem2});
            this.menuItem1.Text = "&File";
            //
            // menuItem2
            //
            this.menuItem2.Index = 0;
            this.menuItem2.Text = "&Close";
            this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
            //
            // menuItem3
            //
            this.menuItem3.Index = 1;
            this.menuItem3.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
            this.menuItem4});
            this.menuItem3.Text = "&Help";
            //
            // menuItem4
            //
            this.menuItem4.Index = 0;
            this.menuItem4.Text = "&About";
            //
            // Explorer
            //
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(600, 357);
            this.Controls.Add(this.lvFiles);
            this.Controls.Add(this.splitter1);
            this.Controls.Add(this.tvFolders);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.Menu = this.mainMenu1;
            this.Name = "Explorer";
            this.Text = "My Window Explorer";
            this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// The main entry point for the application.
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Explorer());
  }

  //This procedure populate the TreeView with the Drive list
  private void PopulateDriveList()
  {
   TreeNode nodeTreeNode;
   int imageIndex = 0;
   int selectIndex = 0;

   const int Removable = 2;
   const int LocalDisk = 3;
   const int Network = 4;
   const int CD = 5;
   //const int RAMDrive = 6;

   this.Cursor = Cursors.WaitCursor;
   //clear TreeView
   tvFolders.Nodes.Clear();
   nodeTreeNode = new TreeNode("My Computer",0,0);
   tvFolders.Nodes.Add(nodeTreeNode);

   //set node collection
   TreeNodeCollection nodeCollection = nodeTreeNode.Nodes;

   //Get Drive list
   ManagementObjectCollection queryCollection = getDrives();
   foreach ( ManagementObject mo in queryCollection)
   {
   
    switch (int.Parse( mo["DriveType"].ToString()))
    {
     case Removable:   //removable drives
      imageIndex = 5;
      selectIndex = 5;
      break;
     case LocalDisk:   //Local drives
      imageIndex = 6;
      selectIndex = 6;
      break;
     case CD:    //CD rom drives
      imageIndex = 7;
      selectIndex = 7;
      break;
     case Network:   //Network drives
      imageIndex = 8;
      selectIndex = 8;
      break;
     default:    //defalut to folder
      imageIndex = 2;
      selectIndex = 3;
      break;
    }
    //create new drive node
    nodeTreeNode = new TreeNode(mo["Name"].ToString() + "\\" ,imageIndex,selectIndex);

    //add new node
    nodeCollection.Add(nodeTreeNode);

   }

   //Init files ListView
   InitListView();

   this.Cursor = Cursors.Default;

  }

  private void tvFolders_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
  {
   //Populate folders and files when a folder is selected
   this.Cursor = Cursors.WaitCursor;

   //get current selected drive or folder
   TreeNode nodeCurrent = e.Node;

   //clear all sub-folders
   nodeCurrent.Nodes.Clear();

   if (nodeCurrent.SelectedImageIndex == 0)
   {
    //Selected My Computer - repopulate drive list
    PopulateDriveList();
   }
   else
   {
    //populate sub-folders and folder files
    PopulateDirectory(nodeCurrent, nodeCurrent.Nodes);
   }
   this.Cursor = Cursors.Default;
  }
  
  protected void InitListView()
  {
   //init ListView control
   lvFiles.Clear();  //clear control
   //create column header for ListView
   lvFiles.Columns.Add("Name",150,System.Windows.Forms.HorizontalAlignment.Left);
   lvFiles.Columns.Add("Size",75, System.Windows.Forms.HorizontalAlignment.Right);
   lvFiles.Columns.Add("Created", 140, System.Windows.Forms.HorizontalAlignment.Left);
   lvFiles.Columns.Add("Modified", 140, System.Windows.Forms.HorizontalAlignment.Left);

  }

  protected void PopulateDirectory(TreeNode nodeCurrent, TreeNodeCollection nodeCurrentCollection)
  {
   TreeNode nodeDir;
   int imageIndex = 2;  //unselected image index
   int selectIndex = 3; //selected image index

            if (nodeCurrent.SelectedImageIndex != 0)
   {
    //populate treeview with folders
    try
    {
     //check path
     if(Directory.Exists(getFullPath(nodeCurrent.FullPath)) == false)
     {
      MessageBox.Show("Directory or path " + nodeCurrent.ToString() + " does not exist.");
     }
     else
     {
      //populate files
      PopulateFiles(nodeCurrent);

      string[] stringDirectories = Directory.GetDirectories(getFullPath(nodeCurrent.FullPath));
      string stringFullPath = "";
      string stringPathName = "";

      //loop throught all directories
      foreach (string stringDir in stringDirectories)
      {
       stringFullPath = stringDir;
       stringPathName = GetPathName(stringFullPath);
       
       //create node for directories
       nodeDir = new TreeNode(stringPathName.ToString(),imageIndex,selectIndex);
       nodeCurrentCollection.Add(nodeDir);
      }
     }
    }
    catch (IOException e)
    {
     MessageBox.Show("Error: Drive not ready or directory does not exist.");
    }
    catch (UnauthorizedAccessException e)
    {
     MessageBox.Show("Error: Drive or directory access denided.");
    }
    catch (Exception e)
    {
     MessageBox.Show("Error: " + e);
    }
   }
  }

  protected string GetPathName(string stringPath)
  {
   //Get Name of folder
   string[] stringSplit = stringPath.Split('\\');
   int _maxIndex = stringSplit.Length;
   return stringSplit[_maxIndex-1];
  }

  protected void PopulateFiles(TreeNode nodeCurrent)
  {
   //Populate listview with files
   string[] lvData =  new string[4];
   
   //clear list
   InitListView();

   if (nodeCurrent.SelectedImageIndex != 0)
   {
    //check path
    if(Directory.Exists((string) getFullPath(nodeCurrent.FullPath)) == false)
    {
     MessageBox.Show("Directory or path " + nodeCurrent.ToString() + " does not exist.");
    }
    else
    {
     try
     {
      string[] stringFiles = Directory.GetFiles(getFullPath(nodeCurrent.FullPath));
      string stringFileName = "";
      DateTime dtCreateDate, dtModifyDate;
      Int64 lFileSize = 0;

      //loop throught all files
      foreach (string stringFile in stringFiles)
      {
       stringFileName = stringFile;
       FileInfo objFileSize = new FileInfo(stringFileName);
       lFileSize = objFileSize.Length;
       dtCreateDate = objFileSize.CreationTime; //GetCreationTime(stringFileName);
       dtModifyDate = objFileSize.LastWriteTime; //GetLastWriteTime(stringFileName);

       //create listview data
       lvData[0] = GetPathName(stringFileName);
       lvData[1] = formatSize(lFileSize);
       
       //check if file is in local current day light saving time
       if (TimeZone.CurrentTimeZone.IsDaylightSavingTime(dtCreateDate) == false)
       {
        //not in day light saving time adjust time
        lvData[2] = formatDate(dtCreateDate.AddHours(1));
       }
       else
       {
        //is in day light saving time adjust time
        lvData[2] = formatDate(dtCreateDate);
       }

       //check if file is in local current day light saving time
       if (TimeZone.CurrentTimeZone.IsDaylightSavingTime(dtModifyDate) == false)
       {
        //not in day light saving time adjust time
        lvData[3] = formatDate(dtModifyDate.AddHours(1));
       }
       else       
       {
        //not in day light saving time adjust time
        lvData[3] = formatDate(dtModifyDate);
       }

       //Create actual list item
       ListViewItem lvItem = new ListViewItem(lvData,0);
       lvFiles.Items.Add(lvItem);

       
      }
     }
     catch (IOException e)
     {
      MessageBox.Show("Error: Drive not ready or directory does not exist.");
     }
     catch (UnauthorizedAccessException e)
     {
      MessageBox.Show("Error: Drive or directory access denided.");
     }
     catch (Exception e)
     {
      MessageBox.Show("Error: " + e);
     }
    }
   }
  }

  protected string getFullPath(string stringPath)
  {
   //Get Full path
   string stringParse = "";
   //remove My Computer from path.
   stringParse = stringPath.Replace("My Computer\\", "");

   return stringParse;
  }
  
  protected ManagementObjectCollection getDrives()
  {
   //get drive collection
   ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * From Win32_LogicalDisk ");
   ManagementObjectCollection queryCollection = query.Get();
   
   return queryCollection;
  }

  protected string formatDate(DateTime dtDate)
  {
   //Get date and time in short format
   string stringDate = "";

   stringDate = dtDate.ToShortDateString().ToString() + " " + dtDate.ToShortTimeString().ToString();

   return stringDate;
  }

  protected string formatSize(Int64 lSize)
  {
   //Format number to KB
   string stringSize = "";
   NumberFormatInfo myNfi = new NumberFormatInfo();

   Int64 lKBSize = 0;

   if (lSize < 1024 )
   {
    if (lSize == 0)
    {
     //zero byte
     stringSize = "0";
    }
    else
    {
     //less than 1K but not zero byte
     stringSize = "1";
    }
   }
   else
   {
    //convert to KB
    lKBSize = lSize / 1024;
    //format number with default format
    stringSize = lKBSize.ToString("n",myNfi);
    //remove decimal
    stringSize = stringSize.Replace(".00", "");
   }

   return stringSize + " KB";

  }

  private void menuItem2_Click(object sender, System.EventArgs e)
  {
   //quit application
   this.Close();
  }

 }
}

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My_Explorer_src.rar

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