//
// System.Windows.Automation.Peers.ComboBoxAutomationPeer
//
// Contact:
// Moonlight List (moonlight-list@lists.ximian.com)
//
// Copyright (C) 2009 Olivier Dufour olivier(dot)duff(at)gmail(dot)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.Automation.Provider;
using System.Windows.Controls;
namespace System.Windows.Automation.Peers{
public class ComboBoxAutomationPeer : SelectorAutomationPeer, IValueProvider, IExpandCollapseProvider {
public ComboBoxAutomationPeer (ComboBox owner) : base (owner)
{
// ExpandCollapse Pattern Automation Events
// raised by ComboBox.IsDropDownOpenChanged()
}
protected override ItemAutomationPeer CreateItemAutomationPeer (object item)
{
return base.CreateItemAutomationPeer (item);
}
protected override AutomationControlType GetAutomationControlTypeCore ()
{
return AutomationControlType.ComboBox;
}
public override object GetPattern (PatternInterface pattern)
{
if (pattern == PatternInterface.ExpandCollapse)
return this;
else if (pattern == PatternInterface.Value)
return null;
return base.GetPattern (pattern);
}
protected override string GetClassNameCore ()
{
return "ComboBox";
}
#region IExpandCollapseProvider
ExpandCollapseState IExpandCollapseProvider.ExpandCollapseState {
get {
if (this.OwningComboBox.IsDropDownOpen)
return ExpandCollapseState.Expanded;
else
return ExpandCollapseState.Collapsed;
}
}
void IExpandCollapseProvider.Collapse ()
{
this.OwningComboBox.IsDropDownOpen = false;
}
void IExpandCollapseProvider.Expand ()
{
this.OwningComboBox.IsDropDownOpen = true;
}
#endregion IExpandCollapseProvider
#region IValueProvider
bool IValueProvider.IsReadOnly { get { return !this.OwningComboBox.IsEditable; } }
string IValueProvider.Value { get { return this.OwningComboBox.SelectedItem.ToString (); } }
void IValueProvider.SetValue (string value)
{
throw new InvalidOperationException ();
}
#endregion IValueProvider
#region Private Properties
private ComboBox OwningComboBox {
get { return this.Owner as ComboBox; }
}
#endregion Private Properties
}
}
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