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Viewing changes to external/xwt/Xwt/Xwt/RadioButtonMenuItem.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/Xwt/RadioButtonMenuItem.cs
 
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// 
 
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// RadioButtonMenuItem.cs
 
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//  
 
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// Author:
 
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//       Lluis Sanchez <lluis@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 Xwt.Backends;
 
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using System.ComponentModel;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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namespace Xwt
 
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{
 
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        public class RadioButtonMenuItem: MenuItem
 
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        {
 
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                RadioButtonGroup radioGroup;
 
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                public RadioButtonMenuItem ()
 
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                {
 
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                }
 
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                public RadioButtonMenuItem (Command command): base (command)
 
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                {
 
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                }
 
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                public RadioButtonMenuItem (string label): base (label)
 
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                {
 
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                }
 
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                IRadioButtonMenuItemBackend Backend {
 
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                        get { return (IRadioButtonMenuItemBackend) BackendHost.Backend; }
 
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                }
 
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                [DefaultValue (true)]
 
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                public bool Checked {
 
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                        get { return Backend.Checked; }
 
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                        set {
 
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                                Backend.Checked = value;
 
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                                if (value)
 
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                                        ValidateCheckedValue ();
 
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                        }
 
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                }
 
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                public RadioButtonGroup RadioButtonGroup {
 
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                        get { return radioGroup; }
 
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                        set {
 
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                                if (radioGroup != null)
 
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                                        radioGroup.Items.Remove (this);
 
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                                radioGroup = value;
 
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                                if (radioGroup != null) {
 
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                                        radioGroup.Items.Add (this);
 
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                                        if (Checked)
 
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                                                ValidateCheckedValue ();
 
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                                }
 
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                        }
 
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                }
 
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                internal override void DoClick ()
 
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                {
 
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                        ValidateCheckedValue ();
 
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                        base.DoClick ();
 
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                }
 
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                void ValidateCheckedValue ()
 
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                {
 
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                        if (radioGroup != null) {
 
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                                foreach (var rb in radioGroup.Items.OfType<RadioButtonMenuItem> ()) {
 
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                                        if (rb != this && rb.Checked)
 
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                                                rb.Checked = false;
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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        public class RadioButtonGroup
 
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        {
 
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                internal List<object> Items = new List<object> ();
 
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        }
 
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}
 
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