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//
// SelectFolderDialogBackend.cs
//
// Author:
// Eric Maupin <ermau@xamarin.com>
//
// Copyright (c) 2012 Xamarin, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.ComponentModel;
using System.IO;
using System.Windows.Forms;
using System.Windows.Interop;
using Xwt.Backends;
using IWin32Window = System.Windows.Forms.IWin32Window;
using WindowsFolderBrowserDialog = System.Windows.Forms.FolderBrowserDialog;
namespace Xwt.WPFBackend
{
public class SelectFolderDialogBackend
: Backend, ISelectFolderDialogBackend
{
public void Initialize (bool multiselect)
{
if (multiselect)
throw new NotSupportedException();
this.dialog = new WindowsFolderBrowserDialog();
}
public string Title
{
get { return this.dialog.Description; }
set { this.dialog.Description = value; }
}
public string Folder
{
get { return (this.dialog != null) ? this.dialog.SelectedPath : null; }
}
public string[] Folders
{
get { return new[] { Folder }; }
}
public string CurrentFolder
{
get
{
string current = Folder;
if (String.IsNullOrEmpty (current))
return null;
string dir = Path.GetDirectoryName (current);
return (String.IsNullOrEmpty (dir) ? current : dir);
}
set { this.dialog.SelectedPath = value; }
}
public bool Run (IWindowFrameBackend parent)
{
if (parent != null)
return (this.dialog.ShowDialog (new WpfWin32Window (((WindowFrameBackend) parent).Window)) == DialogResult.OK);
else
return (this.dialog.ShowDialog () == DialogResult.OK);
}
public void Cleanup ()
{
this.dialog.Dispose();
}
private WindowsFolderBrowserDialog dialog;
private class WpfWin32Window
: IWin32Window
{
public WpfWin32Window (System.Windows.Window window)
{
this.helper = new WindowInteropHelper (window);
}
public IntPtr Handle
{
get { return this.helper.Handle; }
}
private readonly WindowInteropHelper helper;
}
}
}
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