//---------------------------------- HCAjax functions ------------------------------------------
function HCAjax()
{
}
HCAjax.prototype.call = function(Url, params, beforeCallFunction, afterCallFunction, asynchronous)
{
var f = new Function(beforeCallFunction);
f.call();
this.XmlHttpRequestCall(Url, params, afterCallFunction, asynchronous);
}
HCAjax.prototype.XmlHttpRequestCall = function(Url, params, afterCallFunction, asynchronous) {
var xmlhttp = false;
/*@cc_on@*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
xmlhttp = false;
}
}
/*@end@*/
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
xmlhttp = new XMLHttpRequest();
}
xmlhttp.open("POST", Url, asynchronous);
xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4) {
if (xmlhttp.status == "500") {
if (confirm("A server error has occured. Click ok to see the error.")) {
var generator = window.open('ErrorWindow', 'name', 'height=300,width=500,status=1,scrollbars=1,resizable=1');
if (generator) {
generator.document.write('Error Message 500');
generator.document.write('');
generator.document.write(xmlhttp.responseText);
generator.document.write('');
generator.document.close();
}
else alert('popup was blocked.');
}
}
else if (xmlhttp.status == "404") {
alert("Script not found returned from server: " + Url);
}
else {
hcAjax.onResponse(xmlhttp.responseText);
}
var f = new Function(afterCallFunction);
f.call();
}
}
xmlhttp.send(params);
}
//using ICallbackEventHandler
HCAjax.prototype.onResponse = function(result, context) {
var xmldoc = this.stringToXml(result);
try {
this.onResponseResult(xmldoc);
}
catch (err) {
alert(err + " - " + err.name + ", " + err.message + "");
}
return false;
}
HCAjax.prototype.parseHtml = function(element)
{
if (element != null)
{
if (element.tagName != null && element.tagName.toLowerCase() == "script")
{
eval(element.innerHTML);
try{
}
catch(err)
{
if(confirm("Error parsing script on dynamic data (" + err +"). Click ok to see the source."))
{
alert(element.innerHTML);
}
}
}
for (var i = 0; i < element.childNodes.length; i++)
{
var currentElement = element.childNodes[i];
if (currentElement.tagName != null)
{
if (currentElement.tagName.toLowerCase() == "script")
{
eval(currentElement.innerHTML);
}
else if(currentElement.childNodes.length > 0)
{
for(var j = 0; j < currentElement.childNodes.length; j++)
{
if(currentElement.childNodes[j].tagName != null && currentElement.childNodes[j].tagName.toLowerCase() == "panel")
{
var t = 0;
}
this.parseHtml(currentElement.childNodes[j]);
}
}
}
}
}
}
HCAjax.prototype.onResponseResult = function (xmldoc)
{
///
/// - some html content to prefix
/// - some html content to suffix
/// - some html content to display
/// - Myfunction("param1","param2")
///
//Result is n XML string
if( xmldoc != null &&
xmldoc.documentElement != null &&
xmldoc.documentElement.childNodes.length > 0)
{
var response = null;
var x = null;
//First check the immediate children of the returned document
x = xmldoc.getElementsByTagName("item");
//If there are no child items
if(x == null || x.length == 0)
{
//Normalize the document element
xmldoc.documentElement.normalize();
var xmldoc_responsexmldoc = this.stringToXml(xmldoc.documentElement.childNodes[0].data);
response = xmldoc_responsexmldoc.documentElement;
x = response.getElementsByTagName("item");
}
//If results have been found
if(x != null && x.length > 0)
{
for (var aci = 0; aci < x.length; aci++)
{
var action = x[aci].getAttribute("action");
if(action != null && x[aci].firstChild != null && x[aci].firstChild.data != null)
{
switch(action)
{
case "setdata":
var controlid = x[aci].getAttribute("controlid");
if(controlid != null)
{
//Normalize the node
x[aci].normalize();
// document.getElementById(controlid).innerHTML = "";
//
// var newElement = document.createElement("div");
// newElement.innerHTML = x[aci].firstChild.data;
//
// for(var j=0; j < newElement.childNodes.length; j++ )
// {
// document.getElementById(controlid).appendChild(newElement.childNodes[j]);
// }
document.getElementById(controlid).innerHTML = x[aci].firstChild.data;
this.parseHtml(document.getElementById(controlid));
}
break;
case "prefixdata":
var controlid = x[aci].getAttribute("controlid");
if(controlid != null)
{
var savedHTML = document.getElementById(controlid).innerHTML;
//Normalize the node
x[aci].normalize();
document.getElementById(controlid).innerHTML = x[aci].childNodes[0].data + savedHTML;
this.parseHtml(document.getElementById(controlid));
}
break;
case "suffixdata":
var controlid = x[aci].getAttribute("controlid");
if(controlid != null)
{
//Normalize the node
x[aci].normalize();
document.getElementById(controlid).innerHTML += x[aci].childNodes[0].data;
this.parseHtml(document.getElementById(controlid));
}
break;
case "functioncall":
//Normalize the node
x[aci].normalize();
var f = new Function(x[aci].childNodes[0].data);
f.call();
break;
}
}
}
}
}
else {
return false;
}
return true;
}
HCAjax.prototype.stringToXml = function(xmlstr)
{
var xmldoc;
// code for IE
if (window.ActiveXObject)
{
var xmldoc = new ActiveXObject("Microsoft.XMLDOM");
xmldoc.async="false";
xmldoc.loadXML(xmlstr);
}
// code for Mozilla, Firefox, Opera, etc.
else
{
var parser = new DOMParser();
var xmldoc = parser.parseFromString(xmlstr,"text/xml");
}
return xmldoc;
}
var hcAjax = new HCAjax();