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