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Viewing changes to external/xwt/Xwt.WPF/Xwt.WPFBackend/CheckBoxBackend.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Xwt.WPF/Xwt.WPFBackend/CheckBoxBackend.cs
 
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// 
 
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// CheckBoxBackend.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.Windows;
 
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using System.Windows.Controls;
 
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using Xwt.Backends;
 
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using Xwt.Engine;
 
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using WindowsCheckBox = System.Windows.Controls.CheckBox;
 
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namespace Xwt.WPFBackend
 
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{
 
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        public class CheckBoxBackend
 
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                : WidgetBackend, ICheckBoxBackend
 
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        {
 
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                public CheckBoxBackend()
 
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                {
 
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                        Widget = new WindowsCheckBox ();
 
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                }
 
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                public void SetContent (IWidgetBackend widget)
 
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                {
 
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                        if (widget == null)
 
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                                throw new ArgumentNullException ("widget");
 
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                        CheckBox.Content = widget.NativeWidget;
 
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                }
 
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                public void SetContent (string label)
 
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                {
 
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                        CheckBox.Content = new TextBlock { Text = label };
 
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                }
 
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                public bool Active
 
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                {
 
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                        get { return CheckBox.IsChecked.HasValue && CheckBox.IsChecked.Value; }
 
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                        set { CheckBox.IsChecked = value; }
 
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                }
 
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                public bool Mixed
 
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                {
 
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                        get { return !CheckBox.IsChecked.HasValue; }
 
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                        set
 
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                        {
 
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                                if (value)
 
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                                        CheckBox.IsChecked = null;
 
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                                else
 
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                                        CheckBox.IsChecked = false;
 
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                        }
 
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                }
 
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                public bool AllowMixed
 
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                {
 
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                        get { return CheckBox.IsThreeState; }
 
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                        set { CheckBox.IsThreeState = value; }
 
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                }
 
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                public override void EnableEvent (object eventId)
 
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                {
 
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                        base.EnableEvent (eventId);
 
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                        if (eventId is CheckBoxEvent) {
 
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                                switch ((CheckBoxEvent)eventId) {
 
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                                case CheckBoxEvent.Clicked:
 
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                                        CheckBox.Click += OnClicked;
 
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                                        break;
 
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                                case CheckBoxEvent.Toggled:
 
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                                        CheckBox.Checked += OnChecked;
 
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                                        break;
 
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                                }
 
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                        }
 
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                }
 
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                public override void DisableEvent (object eventId)
 
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                {
 
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                        base.DisableEvent (eventId);
 
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                        if (eventId is CheckBoxEvent) {
 
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                                switch ((CheckBoxEvent)eventId) {
 
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                                case CheckBoxEvent.Clicked:
 
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                                        CheckBox.Click -= OnClicked;
 
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                                        break;
 
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                                case CheckBoxEvent.Toggled:
 
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                                        CheckBox.Checked -= OnChecked;
 
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                                        break;
 
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                                }
 
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                        }
 
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                }
 
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                private void OnChecked (object sender, RoutedEventArgs routedEventArgs)
 
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                {
 
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                        Toolkit.Invoke (CheckBoxEventSink.OnToggled);
 
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                }
 
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                private void OnClicked (object sender, RoutedEventArgs e)
 
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                {
 
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                        Toolkit.Invoke (CheckBoxEventSink.OnClicked);
 
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                }
 
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                protected ICheckBoxEventSink CheckBoxEventSink
 
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                {
 
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                        get { return (ICheckBoxEventSink) EventSink; }
 
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                }
 
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                protected WindowsCheckBox CheckBox
 
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                {
 
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                        get { return (WindowsCheckBox) Widget; }
 
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                }
 
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        }
 
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}