DirExplorer
An Explorer-type view with treeview and listview. Uses:
- A helper for using TreeView to show folders and a user control that uses it.
- A usercontrol containing a ListView to show files.
Other classes used by the above:
- FileSizeFormatProvider - An ICustomFormatter for file sizes.
- FileListViewSorter - An IComparer for FileSystemInfos in ListViewItems.
- DirectoryClickedEventArgs - just an EventArgs
using System;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
namespace Library.Forms
{
[ToolboxBitmap(typeof(ListView))]
[DefaultEvent("DirectoryChanged"), Description("A treeview/listview for directories")]
public partial class DirExplorer : UserControl
{
public event EventHandler<DirectoryClickedEventArgs> DirectoryChanged;
public event EventHandler<DirListView.FileSelectedEventArgs> Selected;
private DirectoryInfo _currentDirectory;
private ImageList _imageList = null;
private int _splitterDistance = 190;
public DirExplorer()
{
InitializeComponent();
_currentDirectory = new DirectoryInfo(dirListView1.CurrentDirectory);
dirTreeView1.CurrentDirectoryInfo = _currentDirectory;
dirTreeView1.NodeClicked += dirTreeView1_NodeClicked;
dirListView1.DirectoryChanged += dirListView1_DirectoryChanged;
dirListView1.Selected += dirListView1_Selected;
}
void dirListView1_Selected(object sender, DirListView.FileSelectedEventArgs e)
{
//raise event
EventHandler<DirListView.FileSelectedEventArgs> handler = Selected;
if (handler != null)
handler(this, e);
}
private void dirTreeView1_NodeClicked(object sender, DirectoryClickedEventArgs e)
{
_currentDirectory = e.Directory;
dirListView1.SetDirectory(_currentDirectory);
//raise event
EventHandler<DirectoryClickedEventArgs> handler = DirectoryChanged;
if (handler != null)
handler(this, e);
}
private void dirListView1_DirectoryChanged(object sender, DirectoryClickedEventArgs e)
{
_currentDirectory = e.Directory;
dirTreeView1.CurrentDirectoryInfo = e.Directory;
//raise event
EventHandler<DirectoryClickedEventArgs> handler = DirectoryChanged;
if (handler != null)
handler(this, e);
}
[Browsable(true), Description("The pixel distance of the splitter from the left edge"), Category("Layout")]
public int SplitterDistance
{
get { return _splitterDistance; }
set
{
_splitterDistance = value;
splitContainer1.SplitterDistance = value;
}
}
[Browsable(true), Description("The imagelist used by the treenodes and listview"), Category("Behavior")]
public ImageList ImageList
{
get { return _imageList; }
set
{
_imageList = value;
dirTreeView1.ImageList = _imageList;
dirListView1.SmallImageList = _imageList;
}
}
[Browsable(true), Description("The current directory"), Category("Behavior")]
public string CurrentDirectory
{
get
{
return _currentDirectory == null ? string.Empty : _currentDirectory.FullName;
}
set
{
if (string.IsNullOrEmpty(value))
value = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
DirectoryInfo dir = new DirectoryInfo(value);
if (!dir.Exists) throw new ArgumentException("Directory does not exist");
dirListView1.SetDirectory(_currentDirectory);
dirTreeView1.CurrentDirectoryInfo = _currentDirectory;
}
}
#region Designer
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Component 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.splitContainer1 = new System.Windows.Forms.SplitContainer();
this.dirTreeView1 = new Library.Forms.DirTreeView();
this.dirListView1 = new Library.Forms.DirListView();
this.splitContainer1.Panel1.SuspendLayout();
this.splitContainer1.Panel2.SuspendLayout();
this.splitContainer1.SuspendLayout();
this.SuspendLayout();
//
// splitContainer1
//
this.splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
this.splitContainer1.Location = new System.Drawing.Point(0, 0);
this.splitContainer1.Name = "splitContainer1";
//
// splitContainer1.Panel1
//
this.splitContainer1.Panel1.Controls.Add(this.dirTreeView1);
//
// splitContainer1.Panel2
//
this.splitContainer1.Panel2.Controls.Add(this.dirListView1);
this.splitContainer1.Size = new System.Drawing.Size(425, 150);
this.splitContainer1.SplitterDistance = 190;
this.splitContainer1.TabIndex = 0;
//
// dirTreeView1
//
this.dirTreeView1.CurrentDirectory = null;
this.dirTreeView1.Dock = System.Windows.Forms.DockStyle.Fill;
this.dirTreeView1.ImageList = null;
this.dirTreeView1.Location = new System.Drawing.Point(0, 0);
this.dirTreeView1.Name = "dirTreeView1";
this.dirTreeView1.Size = new System.Drawing.Size(150, 150);
this.dirTreeView1.TabIndex = 0;
//
// dirListView1
//
this.dirListView1.CurrentDirectory = null;
this.dirListView1.Dock = System.Windows.Forms.DockStyle.Fill;
this.dirListView1.Location = new System.Drawing.Point(0, 0);
this.dirListView1.Name = "dirListView1";
this.dirListView1.Size = new System.Drawing.Size(271, 150);
this.dirListView1.SmallImageList = null;
this.dirListView1.TabIndex = 0;
//
// DirExplorer
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.Controls.Add(this.splitContainer1);
this.Name = "DirExplorer";
this.Size = new System.Drawing.Size(425, 150);
this.splitContainer1.Panel1.ResumeLayout(false);
this.splitContainer1.Panel2.ResumeLayout(false);
this.splitContainer1.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.SplitContainer splitContainer1;
private Library.Forms.DirTreeView dirTreeView1;
private Library.Forms.DirListView dirListView1;
#endregion
}
}