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using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel.Design;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Drawing.Design;
namespace Aga.Controls.Tree.NodeControls
{
internal class NodeControlsCollection : Collection<NodeControl>
{
private TreeViewAdv _tree;
public NodeControlsCollection(TreeViewAdv tree)
{
_tree = tree;
}
protected override void ClearItems()
{
_tree.BeginUpdate();
try
{
while (this.Count != 0)
this.RemoveAt(this.Count - 1);
}
finally
{
_tree.EndUpdate();
}
}
protected override void InsertItem(int index, NodeControl item)
{
if (item == null)
throw new ArgumentNullException("item");
if (item.Parent != _tree)
{
if (item.Parent != null)
{
item.Parent.NodeControls.Remove(item);
}
base.InsertItem(index, item);
item.AssignParent(_tree);
_tree.FullUpdate();
}
}
protected override void RemoveItem(int index)
{
NodeControl value = this[index];
value.AssignParent(null);
base.RemoveItem(index);
_tree.FullUpdate();
}
protected override void SetItem(int index, NodeControl item)
{
if (item == null)
throw new ArgumentNullException("item");
_tree.BeginUpdate();
try
{
RemoveAt(index);
InsertItem(index, item);
}
finally
{
_tree.EndUpdate();
}
}
}
internal class NodeControlCollectionEditor : CollectionEditor
{
private Type[] _types;
public NodeControlCollectionEditor(Type type)
: base(type)
{
_types = new Type[] { typeof(NodeTextBox), typeof(NodeComboBox), typeof(NodeCheckBox),
typeof(NodeStateIcon), typeof(NodeIcon) };
}
protected override System.Type[] CreateNewItemTypes()
{
return _types;
}
}
}
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