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/*************************************************************************************
Extended WPF Toolkit
Copyright (C) 2007-2013 Xceed Software Inc.
This program is provided to you under the terms of the Microsoft Public
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
For more features, controls, and fast professional support,
pick up the Plus Edition at http://xceed.com/wpf_toolkit
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
***********************************************************************************/
using System.Linq;
using System.Windows.Controls;
using System.Collections.ObjectModel;
using Xceed.Wpf.AvalonDock.Layout;
using System.Windows;
namespace Xceed.Wpf.AvalonDock.Controls
{
public class LayoutAnchorGroupControl : Control, ILayoutControl
{
#region Members
private ObservableCollection<LayoutAnchorControl> _childViews = new ObservableCollection<LayoutAnchorControl>();
private LayoutAnchorGroup _model;
#endregion
#region Constructors
static LayoutAnchorGroupControl()
{
DefaultStyleKeyProperty.OverrideMetadata( typeof( LayoutAnchorGroupControl ), new FrameworkPropertyMetadata( typeof( LayoutAnchorGroupControl ) ) );
}
internal LayoutAnchorGroupControl( LayoutAnchorGroup model )
{
_model = model;
CreateChildrenViews();
_model.Children.CollectionChanged += ( s, e ) => OnModelChildrenCollectionChanged( e );
}
#endregion
#region Properties
public ObservableCollection<LayoutAnchorControl> Children
{
get
{
return _childViews;
}
}
public ILayoutElement Model
{
get
{
return _model;
}
}
#endregion
#region Private Methods
private void CreateChildrenViews()
{
var manager = _model.Root.Manager;
foreach( var childModel in _model.Children )
{
_childViews.Add( new LayoutAnchorControl( childModel ) { Template = manager.AnchorTemplate } );
}
}
private void OnModelChildrenCollectionChanged( System.Collections.Specialized.NotifyCollectionChangedEventArgs e )
{
if( e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove ||
e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Replace )
{
if( e.OldItems != null )
{
{
foreach( var childModel in e.OldItems )
_childViews.Remove( _childViews.First( cv => cv.Model == childModel ) );
}
}
}
if( e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Reset )
_childViews.Clear();
if( e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add ||
e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Replace )
{
if( e.NewItems != null )
{
var manager = _model.Root.Manager;
int insertIndex = e.NewStartingIndex;
foreach( LayoutAnchorable childModel in e.NewItems )
{
_childViews.Insert( insertIndex++, new LayoutAnchorControl( childModel ) { Template = manager.AnchorTemplate } );
}
}
}
}
#endregion
}
}