/// <summary>
/// Generates the javascript proxy function.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="functionName">Name of the function.</param>
/// <param name="httpRequestMethod">The HTTP request method.</param>
/// <param name="scriptFunctionParameters">The script function parameters.</param>
/// <returns></returns>
protected override string GenerateJavascriptFunction(string url, string functionName, string httpRequestMethod,
ScriptFunctionParameter[] scriptFunctionParameters)
{
var function = new StringBuilder();
function.AppendFormat("\t{0}: function(", functionName);
var ajaxCallParameters = new StringBuilder("_=");
for(var i = 0; i < scriptFunctionParameters.Length; i++)
{
var scriptFunctionParameter = scriptFunctionParameters[i];
var clientSideName = scriptFunctionParameter.ClientSideParameterName;
var serverSideName = scriptFunctionParameter.ServerSideParameterName;
// append to the function parameters
function.AppendFormat("{0}{1}", clientSideName, i < scriptFunctionParameters.Length - 1 ? ", " : string.Empty);
// append to the ajax call parameters
ajaxCallParameters.Append("&")
.Append(serverSideName)
.Append("='+")
// I don't know the equivalent of Object.toJSON in JQuery, so if you need it.. this is the place to insert it :)
//.Append(scriptFunctionParameter.NeedsJSONEncoding ? "Object.toJSON(" + clientSideName + ")" : clientSideName)
.Append(clientSideName)
.Append("+'");
// close the last parameter with an extra "," for the callback parameter
function.Append(i == scriptFunctionParameters.Length - 1 ? ", " : string.Empty);
}
function.Append("callback)").Append(Environment.NewLine).Append("\t{").Append(Environment.NewLine);
function.AppendFormat("\t\t" +
"var r=$.ajax({{type: '{0}'," +
"url: '{1}'," +
"data: '{2}'," +
"async: !!callback," +
"complete: callback}});" +
Environment.NewLine + "\t\t" +
"if(!callback) return r.responseText;",
httpRequestMethod, url, ajaxCallParameters);
function.Append("\r\n\t}\r\n");
return function.ToString();
}
public static ScriptFunction Create(Delegate @delegate, Type[] types, bool isAsync = false)
{
var parameters = @delegate.Method.GetParameters();
if (parameters.Length != types.Length)
{
WrongLength(@delegate.Method, types.Length, parameters.Length);
return(null);
}
var scriptFunctionParameters = new ScriptFunctionParameter[types.Length];
for (int i = 0, length = types.Length; i < length; i++)
{
var type = types[i];
if (typeof(IBaseObject).IsAssignableFrom(type))
{
if (type.IsAssignableFrom(parameters[i].ParameterType))
{
scriptFunctionParameters[i] = new ScriptFunctionParameter(true, type);
continue;
}
WrongType(@delegate.Method, type, parameters[i].ParameterType);
return(null);
}
if (type == parameters[i].ParameterType)
{
scriptFunctionParameters[i] = new ScriptFunctionParameter(false, type);
continue;
}
WrongType(@delegate.Method, type, parameters[i].ParameterType);
return(null);
}
/*if (isAsync && typeof(Task).IsAssignableFrom(@delegate.Method.ReturnType))
* {
* WrongReturnType(@delegate.Method, typeof(Task), @delegate.Method.ReturnType);
* return null;
* }*/
return(new ScriptFunction(@delegate, scriptFunctionParameters));
}
/// <summary>
/// Generates the javascript proxy function.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="functionName">Name of the function.</param>
/// <param name="httpRequestMethod">The HTTP request method.</param>
/// <param name="scriptFunctionParameters">The script function parameters.</param>
/// <returns></returns>
/// <remarks>
/// if we have a [JSONBinder] mark on the parameter, we can serialize the parameter using prototype's Object.toJSON().
/// This requires Prototype 1.5.1. Users of [JSONBinder] should be aware of that.
/// </remarks>
protected override string GenerateJavascriptFunction(string url, string functionName, string httpRequestMethod, ScriptFunctionParameter[] scriptFunctionParameters) {
var function = new StringBuilder();
function.AppendFormat("\t{0}: function(", functionName);
var ajaxCallParameters = new StringBuilder("_=");
for(var i = 0; i < scriptFunctionParameters.Length; i++)
{
var scriptFunctionParameter = scriptFunctionParameters[i];
var clientSideName = scriptFunctionParameter.ClientSideParameterName;
var serverSideName = scriptFunctionParameter.ServerSideParameterName;
// append parameters to the function definition
function.AppendFormat("{0}{1}", clientSideName, i < scriptFunctionParameters.Length - 1 ? ", " : string.Empty);
// append to the ajax call parameters
ajaxCallParameters.Append("&")
.Append(serverSideName)
.Append("='+")
.Append(scriptFunctionParameter.NeedsJSONEncoding ? "Object.toJSON(" + clientSideName + ")" : clientSideName)
.Append("+'");
// close the last parameter with an extra "," for the callback parameter
function.Append(i == scriptFunctionParameters.Length - 1 ? ", " : string.Empty);
}
function.Append("callback)").Append(Environment.NewLine).Append("\t{").Append(Environment.NewLine);
function.AppendFormat("\t\tvar r=new Ajax.Request('{0}', " +
"{{method: '{1}', asynchronous: !!callback, onComplete: callback, parameters: '{2}'}}); " +
Environment.NewLine +
"\t\tif(!callback) return r.transport.responseText;",
url, httpRequestMethod, ajaxCallParameters);
function.Append("\r\n\t}\r\n");
return function.ToString();
}
