50 lines
1.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace UniversalEditor.ObjectModels.RichTextMarkup
{
public abstract class RichTextMarkupItem : ICloneable
{
public class RichTextMarkupItemCollection
: System.Collections.ObjectModel.Collection<RichTextMarkupItem>
{
private RichTextMarkupItemGroup mvarParent = null;
public RichTextMarkupItemCollection(RichTextMarkupItemGroup parent = null)
{
mvarParent = parent;
}
protected override void InsertItem(int index, RichTextMarkupItem item)
{
base.InsertItem(index, item);
item.Parent = mvarParent;
}
protected override void RemoveItem(int index)
{
this[index].Parent = null;
base.RemoveItem(index);
}
protected override void SetItem(int index, RichTextMarkupItem item)
{
this[index].Parent = null;
base.SetItem(index, item);
item.Parent = mvarParent;
}
protected override void ClearItems()
{
foreach (RichTextMarkupItem item in this)
{
item.Parent = null;
}
base.ClearItems();
}
}
public abstract object Clone();
public RichTextMarkupItemGroup Parent { get; set; }
}
}