internal void RenderCallback(Stream next, MemoryStream content)
{
// rendering an ajax callback
if (string.IsNullOrEmpty(_redirectUrl))
{
// response was not redirected
InternalJavaScriptWriter.Flush();
_internalJavaScriptMemStream.Flush();
_internalJavaScriptMemStream.Position = 0;
using (TextReader readerContent = new StreamReader(_internalJavaScriptMemStream))
{
string allContent = readerContent.ReadToEnd();
using (TextWriter writer = new StreamWriter(next))
{
AddDynamicScriptIncludes(writer);
writer.WriteLine(allContent);
SetViewState(content, writer);
JavaScriptWriter.Flush();
_javaScriptMemStream.Flush();
_javaScriptMemStream.Position = 0;
using (TextReader readerContent2 = new StreamReader(_javaScriptMemStream))
{
string allContentAtBack = readerContent2.ReadToEnd();
writer.WriteLine(allContentAtBack);
}
writer.Flush();
}
}
}
}
private void AddMuxInitScripts(StringBuilder builder)
{
builder.Append("<script type=\"text/javascript\">");
builder.Append("//<![CDATA[\r\nfunction MUXUnload(){MUX.Ajax._pageUnloads = true;}function MUXInit() {");
InternalJavaScriptWriter.Flush();
_internalJavaScriptMemStream.Flush();
_internalJavaScriptMemStream.Position = 0;
using (TextReader readerContent = new StreamReader(_internalJavaScriptMemStream))
{
string allContent = readerContent.ReadToEnd();
builder.Append(allContent);
JavaScriptWriter.Flush();
_javaScriptMemStream.Flush();
_javaScriptMemStream.Position = 0;
using (TextReader readerPublicScripts = new StreamReader(_javaScriptMemStream))
{
string allContentAtBack = readerContent.ReadToEnd();
builder.Append(allContentAtBack);
}
// Adding script closing element
builder.Append("}(function(){if (window.addEventListener){window.addEventListener('load',MUXInit,false);" +
"window.addEventListener('unload',MUXUnload,false);}else{window.attachEvent('onload',MUXInit);" +
"window.attachEvent('onunload',MUXUnload);}})();");
foreach (string idxScript in _scriptIncludes)
{
string script = idxScript;
if (idxScript.IndexOf("end:") == 0)
{
script = idxScript.Substring(4);
}
builder.AppendFormat("MUX._scripts['{0}']=true;", script.Replace("&", "&"));
}
builder.Append("\r\n//]]>\r\n</script>");
}
}
private void LoadComplete_Ajax_Callback(object sender, EventArgs e)
{
// storing viewstate
_requestViewState = Page.Request.Params["__VIEWSTATE"];
// finding the control that startet the ajax callback
string controlId = Page.Request.Params["magix.ux.callback-control"];
Page.Response.ContentType = "text/javascript";
if (string.IsNullOrEmpty(controlId))
{
// callback was initiated by a function invocation
string function = Page.Request.Params["magix.ux.function-name"];
if (string.IsNullOrEmpty(function))
{
return;
}
Control objectToInvokeOn = Page;
MethodInfo method = FindWebMethod(function, ref objectToInvokeOn);
if (method == null || method.GetCustomAttributes(typeof(Magix.UX.Core.WebMethod), false).Length == 0)
{
throw new Exception("cannot call a method without a 'WebMethod' attribute");
}
// extracting parameter values as correct types
ParameterInfo[] parameters = method.GetParameters();
List <object> args = new List <object>();
for (int idxPar = 0;
idxPar < parameters.Length && Page.Request.Params["magix.ux.function-parameter" + idxPar] != null;
idxPar++)
{
args.Add(Convert.ChangeType(
Page.Request.Params["magix.ux.function-parameter" + idxPar],
parameters[idxPar].ParameterType));
}
object retVal = method.Invoke(objectToInvokeOn, args.ToArray());
if (retVal != null)
{
string retValString = string.Format(CultureInfo.InvariantCulture, "{0}", retVal);
retValString = retValString.Replace("\\", "\\\\").Replace("'", "\\'");
JavaScriptWriter.Write("MUX.Control._functionReturnValue='{0}';", retValString);
}
return;
}
BaseControl evtCtrl = MuxControls.Find(
delegate(BaseControl idx)
{
return(idx.ClientID == controlId);
});
if (evtCtrl == null)
{
throw new ApplicationException("oops, non-existing control initiated an ajax callback! wtf??");
}
string evtName = Page.Request.Params["magix.ux.event-name"];
// Dispatching the event to our MUX Control...
evtCtrl.RaiseEvent(evtName);
}
