// 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.
//
// Copyright (c) 2008 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Chris Toshok (toshok@ximian.com)
//
using System;
using System.Collections.ObjectModel;
using System.Globalization;
namespace System.ComponentModel{
public abstract class GroupDescription : INotifyPropertyChanged
{
event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged {
add { PropertyChanged += value; }
remove { PropertyChanged -= value; }
}
protected virtual event PropertyChangedEventHandler PropertyChanged;
public ObservableCollection<object> GroupNames {
get; private set;
}
protected GroupDescription ()
{
GroupNames = new ObservableCollection<object> ();
// FIXME: Write test on this
GroupNames.CollectionChanged += delegate {
OnPropertyChanged (new PropertyChangedEventArgs ("GroupNames"));
};
}
public abstract object GroupNameFromItem (object item, int level, CultureInfo culture);
public virtual bool NamesMatch (object groupName, object itemName)
{
return object.Equals (groupName, itemName);
}
protected virtual void OnPropertyChanged (PropertyChangedEventArgs e)
{
var h = PropertyChanged;
if (h != null)
h (this, e);
}
[EditorBrowsable (EditorBrowsableState.Never)]
public bool ShouldSerializeGroupNames ()
{
return GroupNames.Count != 0;
}
}
}
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