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//
// ToggleButton.cs
//
// Author:
// Lluis Sanchez <lluis@xamarin.com>
//
// Copyright (c) 2011 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 Xwt.Backends;
using Xwt.Drawing;
namespace Xwt
{
public class ToggleButton: Button
{
EventHandler toggledEvent;
protected new class WidgetBackendHost: Button.WidgetBackendHost, IToggleButtonEventSink
{
public void OnToggled ()
{
((ToggleButton)Parent).OnToggled (EventArgs.Empty);
}
}
static ToggleButton ()
{
MapEvent (ToggleButtonEvent.Toggled, typeof(ToggleButton), "OnToggled");
}
public ToggleButton ()
{
}
public ToggleButton (string label): base (label)
{
}
public ToggleButton (Image img, string label): base (img, label)
{
}
public ToggleButton (Image img): base (img)
{
}
protected override BackendHost CreateBackendHost ()
{
return new WidgetBackendHost ();
}
IToggleButtonBackend Backend {
get { return (IToggleButtonBackend) BackendHost.Backend; }
}
public bool Active {
get { return Backend.Active; }
set { Backend.Active = value; }
}
protected void OnToggled (EventArgs a)
{
if (toggledEvent != null)
toggledEvent (this, a);
}
public event EventHandler Toggled {
add {
BackendHost.OnBeforeEventAdd (ToggleButtonEvent.Toggled, toggledEvent);
toggledEvent += value;
}
remove {
toggledEvent -= value;
BackendHost.OnAfterEventRemove (ToggleButtonEvent.Toggled, toggledEvent);
}
}
}
}
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