xwt/Xwt.WPF/Xwt.WPFBackend/TreeStoreNode.cs

69 строки
2.0 KiB
C#

//
// TreeStoreNode.cs
//
// Author:
// Eric Maupin <ermau@xamarin.com>
//
// Copyright (c) 2012 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 System.Collections.ObjectModel;
using System.ComponentModel;
namespace Xwt.WPFBackend
{
internal class TreeStoreNode
: ValuesContainer, TreePosition
{
public TreeStoreNode (object[] values, TreeStoreNode parent)
: base (values)
{
Parent = parent;
}
public TreeStoreNode Parent {
get;
private set;
}
public ObservableCollection<TreeStoreNode> Children {
get { return this.children ?? (this.children = new ObservableCollection<TreeStoreNode> ()); }
}
private bool isExpanded;
public bool IsExpanded {
get { return this.isExpanded; }
set {
if (Parent != null && value)
Parent.IsExpanded = true;
if (this.isExpanded == value)
return;
this.isExpanded = value;
OnPropertyChanged (new PropertyChangedEventArgs ("IsExpanded"));
}
}
private ObservableCollection<TreeStoreNode> children;
}
}