1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/External/Aga.Controls/Tree/TreeColumnCollection.cs	Sun May 27 15:16:19 2012 +0000
     1.3 @@ -0,0 +1,98 @@
     1.4 +using System;
     1.5 +using System.Collections.Generic;
     1.6 +using System.Text;
     1.7 +using System.Collections.ObjectModel;
     1.8 +using System.ComponentModel;
     1.9 +using System.Windows.Forms;
    1.10 +
    1.11 +namespace Aga.Controls.Tree
    1.12 +{
    1.13 +	internal class TreeColumnCollection : Collection<TreeColumn>
    1.14 +	{
    1.15 +		private TreeViewAdv _treeView;
    1.16 +
    1.17 +		public TreeColumnCollection(TreeViewAdv treeView)
    1.18 +		{
    1.19 +			_treeView = treeView;
    1.20 +		}
    1.21 +
    1.22 +		protected override void InsertItem(int index, TreeColumn item)
    1.23 +		{
    1.24 +			base.InsertItem(index, item);
    1.25 +			BindEvents(item);
    1.26 +			_treeView.UpdateColumns();
    1.27 +		}
    1.28 +
    1.29 +		protected override void RemoveItem(int index)
    1.30 +		{
    1.31 +			UnbindEvents(this[index]);
    1.32 +			base.RemoveItem(index);
    1.33 +			_treeView.UpdateColumns();
    1.34 +		}
    1.35 +
    1.36 +		protected override void SetItem(int index, TreeColumn item)
    1.37 +		{
    1.38 +			UnbindEvents(this[index]);
    1.39 +			base.SetItem(index, item);
    1.40 +			item.Owner = this;
    1.41 +			BindEvents(item);
    1.42 +			_treeView.UpdateColumns();
    1.43 +		}
    1.44 +
    1.45 +		protected override void ClearItems()
    1.46 +		{
    1.47 +			foreach (TreeColumn c in Items)
    1.48 +				UnbindEvents(c);
    1.49 +			Items.Clear();
    1.50 +			_treeView.UpdateColumns();
    1.51 +		}
    1.52 +
    1.53 +		private void BindEvents(TreeColumn item)
    1.54 +		{
    1.55 +			item.Owner = this;
    1.56 +			item.HeaderChanged += HeaderChanged;
    1.57 +			item.IsVisibleChanged += IsVisibleChanged;
    1.58 +			item.WidthChanged += WidthChanged;
    1.59 +			item.SortOrderChanged += SortOrderChanged;
    1.60 +		}
    1.61 +
    1.62 +		private void UnbindEvents(TreeColumn item)
    1.63 +		{
    1.64 +			item.Owner = null;
    1.65 +			item.HeaderChanged -= HeaderChanged;
    1.66 +			item.IsVisibleChanged -= IsVisibleChanged;
    1.67 +			item.WidthChanged -= WidthChanged;
    1.68 +			item.SortOrderChanged -= SortOrderChanged;
    1.69 +		}
    1.70 +
    1.71 +		void SortOrderChanged(object sender, EventArgs e)
    1.72 +		{
    1.73 +			TreeColumn changed = sender as TreeColumn;
    1.74 +			//Only one column at a time can have a sort property set
    1.75 +			if (changed.SortOrder != SortOrder.None)
    1.76 +			{
    1.77 +				foreach (TreeColumn col in this)
    1.78 +				{
    1.79 +					if (col != changed)
    1.80 +						col.SortOrder = SortOrder.None;
    1.81 +				}
    1.82 +			}
    1.83 +			_treeView.UpdateHeaders();
    1.84 +		}
    1.85 +
    1.86 +		void WidthChanged(object sender, EventArgs e)
    1.87 +		{
    1.88 +			_treeView.ChangeColumnWidth(sender as TreeColumn);
    1.89 +		}
    1.90 +
    1.91 +		void IsVisibleChanged(object sender, EventArgs e)
    1.92 +		{
    1.93 +			_treeView.FullUpdate();
    1.94 +		}
    1.95 +
    1.96 +		void HeaderChanged(object sender, EventArgs e)
    1.97 +		{
    1.98 +			_treeView.UpdateView();
    1.99 +		}
   1.100 +	}
   1.101 +}