/// <summary>
/// Generates the ControlSpecific JavaScript. This script is safe to
/// allow multiple callbacks to run simultaneously.
/// </summary>
private void GenerateControlSpecificJavaScript()
{
// Figure out the initial URL we're going to
// Either it's the provided URL from the control or
// we're posting back to the current page
string Url = null;
if (string.IsNullOrEmpty(ServerUrl))
{
Url = Context.Request.Path;
}
else
{
Url = ResolveUrl(ServerUrl);
}
Uri ExistingUrl = Context.Request.Url;
// Must fix up URL into fully qualified URL for XmlHttp
if (!ServerUrl.ToLower().StartsWith("http"))
{
Url = ExistingUrl.Scheme + "://" + ExistingUrl.Authority + Url;
}
GenerateClassWrapperForCallbackMethods();
}
/// <summary>
/// Create
/// </summary>
private void GenerateClassWrapperForWcfAndAsmx()
{
StringBuilder sb = new StringBuilder();
if (GenerateClientProxyClass == ProxyClassGenerationModes.jsdebug)
{
ClientScriptProxy.Current.RegisterClientScriptInclude(this, typeof(ControlResources), ServerUrl.ToLower() + "/jsdebug", ScriptRenderModes.Script);
return;
}
string serverUrl = ServerUrl;
if (!serverUrl.EndsWith("/"))
{
serverUrl += "/";
Type objectType = null;
if (ClientProxyTargetType != null)
{
objectType = ClientProxyTargetType;
}
else
{
throw new InvalidOperationException();
}
sb.Append("var " + ID + " = { ");
MethodInfo[] Methods = objectType.GetMethods(BindingFlags.Instance | BindingFlags.Public);
foreach (MethodInfo Method in Methods)
{
if ((ServiceType == AjaxMethodCallbackServiceTypes.Wcf && Method.GetCustomAttributes(typeof(OperationContractAttribute), false).Length > 0) ||
(ServiceType == AjaxMethodCallbackServiceTypes.Asmx && Method.GetCustomAttributes(typeof(WebMethodAttribute), false).Length > 0))
{
sb.Append("\r\n " + Method.Name + ": function(");
string ParameterList = "";
foreach (ParameterInfo Parm in Method.GetParameters())
{
ParameterList += Parm.Name + ",";
}
sb.Append(ParameterList + "completed,errorHandler) ");
sb.AppendFormat(
@"
{{
var _cb = new {0}_GetProxy();
_cb.invoke(""{1}"",{{", ID, Method.Name);
string[] parms = ParameterList.Split(new char[1] {
','
}, StringSplitOptions.RemoveEmptyEntries);
foreach (string parm in parms)
{
sb.Append(parm + ": " + parm + ",");
}
if (parms.Length > 0)
{
sb.Length--; // remove last comma
}
sb.Append(@"},completed,errorHandler);
return _cb;
},");
}
}
if (sb.Length > 0)
{
sb.Length--; // strip trailing ,
}
// End of class
sb.Append("\r\n}\r\n");
}
string Url = null;
if (string.IsNullOrEmpty(ServerUrl))
{
Url = Context.Request.Path;
}
else
{
Url = ResolveUrl(ServerUrl);
}
sb.Append(
"function " + ID + @"_GetProxy() {
var _cb = new ServiceProxy('" + serverUrl + @"',
{ timeout: " + Timeout.ToString() +
@", isWcf: " + (ServiceType == AjaxMethodCallbackServiceTypes.Wcf).ToString().ToLower() +
@"});
return _cb;
}
");
ClientScriptProxy.RegisterStartupScript(this, GetType(), ID + "_ClientProxy", sb.ToString(), true);
}
/// <summary>
/// Creates the JavaScript client side object that matches the
/// server side method signature. The JScript function maps
/// to a CallMethod() call on the client.
/// </summary>
private void GenerateClassWrapperForCallbackMethods()
{
if (ServiceType != AjaxMethodCallbackServiceTypes.AjaxMethodCallback)
{
GenerateClassWrapperForWcfAndAsmx();
return;
}
StringBuilder sb = new StringBuilder();
if (GenerateClientProxyClass == ProxyClassGenerationModes.jsdebug)
{
ClientScriptProxy.Current.RegisterClientScriptInclude(this, typeof(ControlResources), ServerUrl.ToLower() + "/jsdebug", ScriptRenderModes.Script);
return;
}
if (GenerateClientProxyClass == ProxyClassGenerationModes.Inline)
{
Type objectType = null;
if (ClientProxyTargetType != null)
{
objectType = ClientProxyTargetType;
}
else if (TargetInstance != null)
{
objectType = TargetInstance.GetType();
}
// assume Page as default
else
{
objectType = Page.GetType();
}
sb.Append("var " + ID + " = { ");
MethodInfo[] Methods = objectType.GetMethods(BindingFlags.Instance | BindingFlags.Public);
foreach (MethodInfo Method in Methods)
{
if (Method.GetCustomAttributes(typeof(CallbackMethodAttribute), false).Length > 0)
{
sb.Append("\r\n " + Method.Name + ": function " + "(");
string ParameterList = "";
foreach (ParameterInfo Parm in Method.GetParameters())
{
ParameterList += Parm.Name + ",";
}
sb.Append(ParameterList + "completed,errorHandler)");
sb.AppendFormat(
@"
{{
var _cb = {0}_GetProxy();
_cb.callMethod(""{1}"",[{2}],completed,errorHandler);
return _cb;
}},", ID, Method.Name, ParameterList.TrimEnd(','));
}
}
if (sb.Length > 0)
{
sb.Length--; // strip trailing ,
}
// End of class
sb.Append("\r\n}\r\n");
}
string Url = null;
if (string.IsNullOrEmpty(ServerUrl))
{
Url = Context.Request.Path;
}
else
{
Url = ResolveUrl(ServerUrl);
}
sb.Append(
"function " + ID + @"_GetProxy() {
var _cb = new AjaxMethodCallback('" + ID + "','" + Url + @"',
{ timeout: " + Timeout.ToString() + @",
postbackMode: '" + PostBackMode.ToString() + @"',
formName: '" + PostBackFormName + @"'
});
return _cb;
}
");
ClientScriptProxy.RegisterStartupScript(this, GetType(), ID + "_ClientProxy", sb.ToString(), true);
}
public bool IsAgainstCloudant()
{
return(ServerUrl.ToLower().Contains("cloudant.com"));
}
public void Sets_the_server_base_address()
{
Assert.Equal(ServerUrl.ToLower(), HttpClient.BaseAddress.ToString());
}
