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/*
* Copyright (c) 2008, Anthony James McCreath
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1 Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2 Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3 Neither the name of the project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Anthony James McCreath "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Anthony James McCreath BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.Data;
using System.Configuration;
namespace ClockWork.ScriptBuilder.JavaScript.ExtJs
{
/// <summary>
/// Script Item designed to help construct the class pattern often used in ExtJs
/// aka pre-configured classes
/// </summary>
public class ExtJsClass : ScriptItem
{
#region Constructors
/// <summary>
/// Create a Class pattern
/// Established the namespace (Ext.ns)
/// Extends the base class (Ext.extend)
/// </summary>
/// <param name="className">the name (including namespace) for the new class</param>
/// <param name="baseClass">the class this inherits from</param>
/// <param name="parameters">The parameters for the constructor function</param>
/// <param name="constructor">the constructor code</param>
public ExtJsClass(string className, string baseClass, JsParameters parameters, JsBlock constructor)
: base()
{
ClassName = className;
BaseClass = baseClass;
Parameters = parameters;
Constructor = constructor;
}
#endregion
#region Data
private string _ClassName;
/// <summary>
/// the name (including namespace) for the new class
/// </summary>
public string ClassName
{
get { return _ClassName; }
set { _ClassName = value; }
}
private string _BaseClass;
/// <summary>
/// the class this inherits from
/// </summary>
public string BaseClass
{
get { return _BaseClass; }
set { _BaseClass = value; }
}
private JsParameters _Parameters;
/// <summary>
/// paramters for the constuctor
/// </summary>
public JsParameters Parameters
{
get
{
if (_Parameters == null)
_Parameters = Js.Parameters();
return _Parameters;
}
set { _Parameters = value; }
}
private JsBlock _Constructor;
/// <summary>
/// Constructor code
/// </summary>
public JsBlock Constructor
{
get
{
if (_Constructor==null)
_Constructor = Js.Block();
return _Constructor;
}
set { _Constructor = value; }
}
#endregion
#region Rendering
/// <summary>
/// render the class
/// </summary>
/// <param name="e"></param>
protected override void OnRender(RenderingEventArgs e)
{
base.OnRender(e);
IScriptWriter writer = e.Writer;
string nameSpace = ExtJs.GetNamespace(this.ClassName);
Script constructor = Sb.Script();
if (!String.IsNullOrEmpty(nameSpace))
writer.Write(Js.Statement(Js.Call("Ext.ns", Js.Q(nameSpace)))); // register namespace
writer.Write(
Sb.Script(
Js.Statement(ClassName, " = ",
Js.Function(ScriptLayout.InlineBlock,
Parameters,
Constructor
)
),
Js.Statement(Js.Call("Ext.extend",ClassName,BaseClass)) // make it inherit from base class
)
);
}
#endregion
}
}
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