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