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ViewStateProxy.cs
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157 lines (140 loc) · 4.61 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.ComponentModel;
using System.Reflection;
using System.Threading;
using System.Web.UI;
using Ext.Net.Utilities;
namespace Ext.Net
{
/// <summary>
///
/// </summary>
[Description("")]
public partial class ControlState : BaseItem
{
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="name"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public virtual T Get<T>(string name, T defaultValue)
{
return (T)(this[name].IfNull(defaultValue));
}
/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
public virtual void Set(string name, object value)
{
this[name] = value;
}
private readonly BaseControl control;
/// <summary>
///
/// </summary>
[Description("")]
public ControlState(BaseControl control, StateBag viewState)
{
this.control = control;
this.ViewState = viewState;
}
/// <summary>
///
/// </summary>
[Description("")]
public virtual bool Suspend()
{
bool oldValue = control.AllowCallbackScriptMonitoring;
this.control.AllowCallbackScriptMonitoring = false;
this.control.ScriptSuspended = true;
Monitor.Enter(this.control);
return oldValue;
}
/// <summary>
///
/// </summary>
[Description("")]
public virtual void Resume(bool oldValue)
{
this.control.AllowCallbackScriptMonitoring = oldValue;
this.control.ScriptSuspended = false;
Monitor.Exit(this.control);
}
/// <summary>
///
/// </summary>
[Description("")]
public virtual void Resume()
{
this.Resume(true);
}
/// <summary>
///
/// </summary>
[Description("")]
public object this[string key]
{
get
{
return this.ViewState[key];
}
set
{
this.ViewState[key] = value;
this.SetDirectEventUpdate(key, value);
}
}
private void CheckID()
{
IDMode mode = control.IDMode;
if (((mode == Ext.Net.IDMode.Explicit || mode == Ext.Net.IDMode.Static) && !control.IsIdRequired) || mode == Ext.Net.IDMode.Ignore)
{
throw new Exception("You have to set widget's ID to call its methods (widget - " + control.GetType().ToString() + ")");
}
}
/// <summary>
///
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
public void SetDirectEventUpdate(string key, object value)
{
if (((control.IsProxy && !control.ScriptSuspended) || (RequestManager.IsAjaxRequest && control.AllowCallbackScriptMonitoring && !control.IsDynamic)) && X.ControlsScripting)
{
PropertyInfo pi = control.GetType().GetProperty(key);
if (pi == null)
{
return;
}
object[] attrs = pi.GetCustomAttributes(typeof(DirectEventUpdateAttribute), true);
if (attrs.Length > 0)
{
this.CheckID();
this.control.CallbackValues[key] = value;
((DirectEventUpdateAttribute)attrs[0]).RegisterScript(this.control, pi);
}
else
{
ConfigOptionAttribute attr = ClientConfig.GetClientConfigAttribute(pi);
if (attr != null)
{
this.CheckID();
this.control.CallbackValues[key] = value;
this.control.AddScript(string.Format(DirectEventUpdateAttribute.AutoGenerateFormat, this.control.ClientID, JSON.Serialize(value), pi.Name.ToLowerCamelCase()));
}
}
}
}
}
}