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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using QuickRoute.BusinessEntities;
namespace QuickRoute.Controls
{
public partial class FileSelectorControl : UserControl
{
public string FileDialogTitle { get; set; }
public string FileDialogFilter { get; set; }
public int FileDialogFilterIndex { get; set; }
public event EventHandler<EventArgs> FilesChanged;
public FileSelectorControl()
{
InitializeComponent();
}
public FileSelectorControl(IEnumerable<string> fileNames, bool allowUrlAdding)
: this()
{
AddFiles(fileNames);
AllowUrlAdding = allowUrlAdding;
}
public List<string> FileNames
{
get
{
var fileNames = new List<string>();
foreach (var fileName in files.Items)
{
fileNames.Add(fileName.ToString());
}
return fileNames;
}
}
public bool AllowUrlAdding
{
get
{
return addUrlButton.Visible;
}
set
{
addUrlButton.Visible = value;
}
}
public void AddFiles(IEnumerable<string> fileNames)
{
foreach (var fileName in fileNames)
{
files.Items.Add(fileName);
}
InvokeFilesChanged();
}
private void RemoveFiles(IEnumerable<string> fileNames)
{
foreach (var fileName in fileNames)
{
files.Items.Remove(fileName);
}
InvokeFilesChanged();
}
public void AddFile(string fileName)
{
AddFiles(new List<string>() { fileName });
}
public void RemoveFile(string fileName)
{
RemoveFiles(new List<string>() { fileName });
}
private void InvokeFilesChanged()
{
var eventHandler = FilesChanged;
if (eventHandler != null) eventHandler(this, EventArgs.Empty);
}
private void addFileButton_Click(object sender, EventArgs e)
{
using (var ofd = new OpenFileDialog
{
AddExtension = true,
CheckFileExists = true,
Multiselect = true,
Title = FileDialogTitle,
Filter = FileDialogFilter,
FilterIndex = FileDialogFilterIndex
})
{
if (ofd.ShowDialog() == DialogResult.OK)
{
AddFiles(GetDuplicateFreeFiles(ofd.FileNames));
}
}
}
private void AddUrlButton_Click(object sender, EventArgs e)
{
using (var urlDialog = new Forms.UrlDialog())
{
if (urlDialog.ShowDialog() == DialogResult.OK)
{
AddFiles(GetDuplicateFreeFiles(urlDialog.Urls));
}
}
}
private void removeButton_Click(object sender, EventArgs e)
{
RemoveSelectedFiles();
}
private void RemoveSelectedFiles()
{
var filesToRemove = new List<string>();
foreach (var item in files.SelectedItems)
{
filesToRemove.Add(item.ToString());
}
RemoveFiles(filesToRemove);
}
private List<string> GetDuplicateFreeFiles(IEnumerable<string> fileNamesToAdd)
{
var fileNames = FileNames;
var duplicateFreeFiles = new List<string>();
foreach (var fileToAdd in fileNamesToAdd)
{
if (!fileNames.Contains(fileToAdd))
{
duplicateFreeFiles.Add(fileToAdd);
}
}
return duplicateFreeFiles;
}
private void files_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
RemoveSelectedFiles();
}
}
private void files_DragEnter(object sender, DragEventArgs e)
{
e.Effect = DragDropEffects.Move;
}
private void files_DragDrop(object sender, DragEventArgs e)
{
var manager = new DragDropManager();
var allowedFileExtensions = FileFormatManager.GetQuickRouteFileExtensions();
var fileNames = manager.GetDroppedFileNames(e, allowedFileExtensions);
if(fileNames.Count > 0)
{
AddFiles(fileNames);
}
}
}
}
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