//
// System.Windows.Automation.Peers.ButtonBaseAutomationPeer
//
// Contact:
// Moonlight List (moonlight-list@lists.ximian.com)
//
// Copyright (C) 2009 Novell, Inc (http://www.novell.com)
//
// 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.Collections.Generic;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
namespace System.Windows.Automation.Peers{
abstract public class ButtonBaseAutomationPeer : FrameworkElementAutomationPeer {
protected ButtonBaseAutomationPeer (ButtonBase owner)
: base (owner)
{
textBlock = owner.Content as TextBlock;
if (textBlock != null)
textBlock.UIATextChanged += TextBlock_TextChanged;
}
protected override string GetNameCore ()
{
ButtonBase buttonBase = Owner as ButtonBase;
// Only when Content is TextBlock TextBlock.Name is returned
string name = buttonBase.Content as string;
if (name == null) {
TextBlock textblock = buttonBase.Content as TextBlock;
if (textblock == null)
name = string.Empty;
else {
AutomationPeer peer
= FrameworkElementAutomationPeer.CreatePeerForElement (textblock);
name = peer.GetName ();
}
}
return buttonBase.GetValue (AutomationProperties.NameProperty) as string ?? name;
}
internal override List<AutomationPeer> ChildrenCore {
get {
ButtonBase buttonBase = Owner as ButtonBase;
string contentAsString = buttonBase.Content as string;
if (contentAsString != null)
return null;
else
return base.ChildrenCore;
}
}
internal override void OnContentChanged (object oldContent, object newContent)
{
base.OnContentChanged (oldContent, newContent);
if (textBlock != null)
textBlock.UIATextChanged -= TextBlock_TextChanged;
textBlock = newContent as TextBlock;
if (textBlock != null)
textBlock.UIATextChanged += TextBlock_TextChanged;
}
private void TextBlock_TextChanged (object sender, DependencyPropertyChangedEventArgs args)
{
RaiseNameChanged ();
}
private TextBlock textBlock;
}
}
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