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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace FileManagerLite
{
enum TypeItem
{
drive,
folder,
file
}
public partial class Form : System.Windows.Forms.Form
{
private TreeNode _lastSelectNode;
private string path;
private string labelText;
public Form()
{
InitializeComponent();
foreach (string view in Enum.GetNames(typeof(View)))
toolStripComboBox.Items.Add(view);
toolStripComboBox.SelectedIndex = 0;
_lastSelectNode = treeView.TopNode;
}
private void treeView_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
SetTreeViewExpandList(e.Node);
}
private void treeView_AfterCollapse(object sender, TreeViewEventArgs e)
{
var node = e.Node;
node.Nodes.Clear();
List<TreeNode> emptyTreeNode = new List<TreeNode>(1);
emptyTreeNode.Add(new TreeNode("Node"));
node.Nodes.AddRange(emptyTreeNode.ToArray());
}
private void toolStripComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
string viewName = toolStripComboBox.SelectedItem.ToString();
View view = (View)Enum.Parse(typeof(View), viewName);
if (view != View.Details)
listView.View = view;
}
private void groupsToolStripButton_Click(object sender, EventArgs e)
{
listView.ShowGroups = !listView.ShowGroups;
SetListView(_lastSelectNode);
}
private void treeView_AfterSelect(object sender, TreeViewEventArgs e)
{
_lastSelectNode = e.Node;
SetListView(_lastSelectNode);
}
private void listView_DoubleClick(object sender, EventArgs e)
{
var selectedItems = listView.SelectedItems;
if (selectedItems.Count == 1)
{
foreach (TreeNode node in _lastSelectNode.Nodes)
{
if (node.Text == selectedItems[0].Text)
{
node.Expand();
treeView.SelectedNode = node;
break;
}
else if (node.Text == "Node")
{
_lastSelectNode.Expand();
listView_DoubleClick(sender, e);
break;
}
}
}
}
#region ListView
private void SetListView(TreeNode _node)
{
listView.Items.Clear();
var node = _node;
if (treeView.TopNode == node)
{
listView.Items.AddRange(GetListViewDrives().ToArray());
}
else
{
listView.Items.AddRange(GetListViewDirectories(node).ToArray());
listView.Items.AddRange(GetListViewFiles(node).ToArray());
}
}
private List<ListViewItem> GetListViewFiles(TreeNode node)
{
var files = GetFiles(GetFullPathForSelectedNode(node));
List<ListViewItem> newListViewItemList = new List<ListViewItem>(files.Count);
foreach (var file in files)
{
var listViewItem = new ListViewItem();
listViewItem.Text = Path.GetFileName(file);
listViewItem.ImageIndex = 1;
listViewItem.Group = listView.Groups["Files"];
newListViewItemList.Add(listViewItem);
}
return newListViewItemList;
}
private List<ListViewItem> GetListViewDirectories(TreeNode node)
{
var directories = GetDirectories(GetFullPathForSelectedNode(node));
List<ListViewItem> newListViewItemList = new List<ListViewItem>(directories.Count);
foreach (var directory in directories)
{
var listViewItem = new ListViewItem();
listViewItem.Text = Path.GetFileName(directory);
listViewItem.ImageIndex = 2;
listViewItem.Group = listView.Groups["Folders"];
newListViewItemList.Add(listViewItem);
}
return newListViewItemList;
}
private List<ListViewItem> GetListViewDrives()
{
List<ListViewItem> newListViewItemList = new List<ListViewItem>(GetLogicalDrives().Count);
foreach (var drive in GetLogicalDrives())
{
var listViewItem = new ListViewItem();
listViewItem.Text = drive;
listViewItem.ImageIndex = 3;
listViewItem.Group = listView.Groups["Drives"];
newListViewItemList.Add(listViewItem);
}
return newListViewItemList;
}
#endregion
#region TreeView
private void SetTreeViewExpandList(TreeNode _node)
{
var node = _node;
if (node.Nodes.Count == 1 && node.Nodes[0].Text == "Node")
{
node.Nodes.Clear();
}
if (treeView.TopNode == node)
{
treeView.TopNode.Nodes.AddRange(GetTreeNodeDrives().ToArray());
}
else
{
node.Nodes.AddRange(GetTreeNodeDirectories(node).ToArray());
}
}
private List<TreeNode> GetTreeNodeDirectories(TreeNode node)
{
List<TreeNode> emptyTreeNode;
List<TreeNode> newTreeNodeList = new List<TreeNode>(GetDirectories(GetFullPathForSelectedNode(node)).Count);
foreach (var drive in GetDirectories(GetFullPathForSelectedNode(node)))
{
emptyTreeNode = new List<TreeNode>(1);
emptyTreeNode.Add(new TreeNode("Node"));
newTreeNodeList.Add(new TreeNode(Path.GetFileName(drive), 2, 2, emptyTreeNode.ToArray()));
}
return newTreeNodeList;
}
private List<TreeNode> GetTreeNodeDrives()
{
List<TreeNode> emptyTreeNode;
List<TreeNode> newTreeNodeList = new List<TreeNode>(GetLogicalDrives().Count);
foreach (var drive in GetLogicalDrives())
{
emptyTreeNode = new List<TreeNode>(1);
emptyTreeNode.Add(new TreeNode("Node"));
newTreeNodeList.Add(new TreeNode(drive, 3, 3, emptyTreeNode.ToArray()));
}
return newTreeNodeList;
}
private String GetFullPathForSelectedNode(TreeNode node)
{
StringBuilder fullPath = new StringBuilder(node.Text);
TreeNode prevNode = node.Parent;
while (prevNode.Text != "That computer")
{
fullPath = new StringBuilder(prevNode.Text + @"\" + fullPath);
prevNode = prevNode.Parent;
}
return fullPath.ToString();
}
#endregion
#region AdditionalFuntionsForListViewAndTreeView
private List<String> GetLogicalDrives()
{
List<String> drivesList = new List<string>();
drivesList.AddRange(System.IO.Directory.GetLogicalDrives());
return drivesList;
}
private List<String> GetDirectories(String fullPath)
{
List<String> directories = new List<string>();
try
{
directories.AddRange(Directory.GetDirectories(fullPath.ToString()));
}
catch (UnauthorizedAccessException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (ArgumentNullException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (ArgumentException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (PathTooLongException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (DirectoryNotFoundException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (IOException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return directories;
}
private List<String> GetFiles(String fullPath)
{
List<String> files = new List<string>();
try
{
files.AddRange(Directory.GetFiles(fullPath));
}
catch (UnauthorizedAccessException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (ArgumentNullException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (ArgumentException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (PathTooLongException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (DirectoryNotFoundException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (IOException er)
{
MessageBox.Show(er.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
files.Sort((x, y) => String.Compare(x, y, StringComparison.Ordinal));
return files;
}
#endregion
private void ListView_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void Button1_Click(object sender, EventArgs e)
{
//foreach (ListViewItem eachItem in listView.SelectedItems)
//{
// listView.Items.Remove(eachItem);
//}
//listView.SelectedItems[0].Remove();
} |