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ItemCollection.cs
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134 lines (118 loc) · 3.23 KB
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/********
* @version : 2.1.1 - Ext.NET Pro License
* @author : Ext.NET, Inc. http://www.ext.net/
* @date : 2012-12-10
* @copyright : Copyright (c) 2007-2012, Ext.NET, Inc. (http://www.ext.net/). All rights reserved.
* @license : See license.txt and http://www.ext.net/license/.
********/
using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.ComponentModel.Design;
using Ext.Net.Utilities;
namespace Ext.Net
{
/// <summary>
///
/// </summary>
[Description("")]
public partial class ItemCollection : Collection<AbstractComponent>
{
/// <summary>
///
/// </summary>
[Description("")]
protected override void InsertItem(int index, AbstractComponent item)
{
this.CheckItem(item);
base.InsertItem(index, item);
if (this.AfterInsert != null)
{
this.AfterInsert(item);
}
}
/// <summary>
///
/// </summary>
[Description("")]
protected override void SetItem(int index, AbstractComponent item)
{
this.CheckItem(item);
base.SetItem(index, item);
if (this.AfterInsert != null)
{
this.AfterInsert(item);
}
}
private void CheckItem(AbstractComponent item)
{
if (this.SingleItemMode && this.Count>0)
{
throw new InvalidOperationException("Only one AbstractComponent allowed in the Items Collection");
}
item.PreventRenderTo = true;
if (item is Viewport)
{
throw new InvalidCastException("Invalid type of Control ({0}). This type can not be added to Items Collection".FormatWith(item.GetType()));
}
}
private bool singleItemMode;
/// <summary>
///
/// </summary>
[Description("")]
public bool SingleItemMode
{
get
{
return this.singleItemMode;
}
internal set
{
this.singleItemMode = value;
}
}
public delegate void AfterInsertHandler(AbstractComponent item);
public event AfterInsertHandler AfterInsert;
}
/// <summary>
///
/// </summary>
[Description("")]
public partial class ItemCollectionEditor : CollectionEditor
{
/// <summary>
///
/// </summary>
[Description("")]
public ItemCollectionEditor(Type type) : base(type) {}
/// <summary>
///
/// </summary>
[Description("")]
protected override bool CanSelectMultipleInstances()
{
return false;
}
/// <summary>
///
/// </summary>
[Description("")]
protected override Type[] CreateNewItemTypes()
{
return new Type[]
{
typeof(Panel),
typeof(TabPanel)
};
}
/// <summary>
///
/// </summary>
[Description("")]
protected override Type CreateCollectionItemType()
{
return typeof(Panel);
}
}
}