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|
tabAjaxRequests = new Array();
//Libairie sajax sous licence BSD
var jsDebug_mode = false;
var sajax_request_type = "POST";
var sajax_requests = new Array();
var b_Identifying=false;
/*!
\brief Permet de lancer le prochain appel ajax en attente dans la pile
\author gmr
\date 03/05/2006
\return
*/
function jsShedule()
{
if ((tabAjaxRequests)&&(tabAjaxRequests.length)&&(!b_Identifying))
{
AjaxCall=tabAjaxRequests[0];
jsDebug("Taille pile:" + tabAjaxRequests.length, true);
jsDebug("AjaxCall: class="+AjaxCall.sz_ClassName);
jsDebug("Event="+AjaxCall.sz_EventName);
jsDebug("Param="+AjaxCall.m_CallbackArgs);
if (AjaxCall.b_Redirect==true)
{
// on arete les appels ajax en cours
if (o_AJAX)
{
o_AJAX.abort();
//delete(o_AJAX);
//o_AJAX=null;
}
location.href = AjaxCall.uri;
}
else
{
AjaxCall.SendData(AjaxCall.sz_Callback, AjaxCall.m_CallbackArgs);
}
}
}
var o_AJAX=null;
/*!
\brief Permet de récupérer un champ brut
\date 03/05/2006
\return XMLHttpRequest object
*/
function sajax_init_object()
{
if (o_AJAX)
return;
jsDebug("sajax_init_object() called..");
if (window.XMLHttpRequest) {
o_AJAX = new XMLHttpRequest();
}
else if (window.ActiveXObject) {
var msxmlhttp = new Array(
"Msxml2.XMLHTTP.5.0",
"Msxml2.XMLHTTP.4.0",
"MSXML2.XMLHTTP.3.0",
"MSXML2.XMLHTTP",
"Microsoft.XMLHTTP"
);
for (var i = 0; i < msxmlhttp.length; i++)
{
try {
o_AJAX = new ActiveXObject(msxmlhttp[i]);
jsDebug('Using : '+msxmlhttp[i],true);
break;
} catch (e) {
o_AJAX = null;
}
}
}
if (!o_AJAX)
jsDebug("Could not create connection object.");
return o_AJAX;
}
/*
\param sz_ModuleKey Nom du module
\param sz_ClassName Nom de la Classe
*/
function cl_cms_AjaxCall(sz_ModuleKey, sz_ClassName)
{
this.sz_ModuleKey = sz_ModuleKey;
this.sz_ClassName = sz_ClassName;
this.m_Args = new Array();
this.uri ="index.php";
this.b_Redirect =false;
sajax_init_object();
/*
\param sz_EventName Nom de l'évènement
*/
this.SetEvent = function(sz_EventName)
{
this.sz_EventName=sz_EventName;
}
/*
\param Param Param de l'évènement
*/
this.AddParam = function(Param)
{
this.m_Args[this.m_Args.length]=Param;
}
this.Redirect = function(sz_Callback, m_CallbackArgs)
{
this.b_Redirect=true;
if (this.sz_ModuleKey) this.uri += '?module='+this.sz_ModuleKey;
if (this.sz_ClassName) this.uri += '&class='+this.sz_ClassName;
if (this.sz_EventName) this.uri += '&event='+this.sz_EventName;
if (this.m_Args.length>0)
{
var xmlForm = "&m_Args=";
xmlForm += "<arg>";
xmlForm += "<param>";
xmlForm += jsConvertTabToXML(this.m_Args,0);
xmlForm +="</param>";
xmlForm += "</arg>";
this.uri += xmlForm;
}
// on supprime les appels en attente
// on garde l'appel en cours pour qu'il finisse
// on ajoute le redirect dans la pile
while (tabAjaxRequests.length>1)
{
tabAjaxRequests.pop();
}
if (tabAjaxRequests.length==0)
{
tabAjaxRequests.push(this);
jsShedule();
}
else
{
tabAjaxRequests.push(this);
}
return false;
}
/*
\param sz_Callback Fonction appelée en retour
\param m_CallbackArgs Arguments passés à la fonction en retour
*/
this.PostData = function(sz_Callback, m_CallbackArgs)
{
this.sz_Callback = sz_Callback;
this.m_CallbackArgs = m_CallbackArgs;
var b_Found=false;
for (i=0;i<tabAjaxRequests.length;i++)
{
if ((tabAjaxRequests[i].sz_Callback == this.sz_Callback)&&
(tabAjaxRequests[i].m_CallbackArgs == this.m_CallbackArgs)&&
(tabAjaxRequests[i].sz_ModuleKey == this.sz_ModuleKey)&&
(tabAjaxRequests[i].sz_ClassName == this.sz_ClassName)&&
(tabAjaxRequests[i].sz_EventName == this.sz_EventName)&&
(tabAjaxRequests[i].uri == this.uri))
{
if (tabAjaxRequests[i].m_Args.length == this.m_Args.length)
{
b_Found=true;
for(j=0;j<this.m_Args.length;j++)
{
if (this.m_Args[j]!=tabAjaxRequests[i].m_Args[j])
{
b_Found=false;
break;
}
}
}
if (b_Found==true)
return;
}
}
if (b_Found==false)
{
if (tabAjaxRequests.length==0)
{
tabAjaxRequests.push(this);
jsShedule();
}
else
{
tabAjaxRequests.push(this);
}
}
}
this.SendData = function(sz_Callback, m_CallbackArgs)
{
//b_WaitingAjaxReturn = true;
jsDebug("posting");
//alert("Ajax call 1"+this.sz_EventName);
if (o_AJAX)
{
o_AJAX.abort();
//delete(o_AJAX);
//o_AJAX=null;
}
if ((o_AJAX == null) || (o_AJAX == undefined))
{
jsDebug("Impossible de creer l'objet");
if (sajax_failure_redirect != "")
{
location.href = sajax_failure_redirect;
b_WaitingAjaxReturn=false;
return false;
}
else
{
jsDebug("NULL sajax object for user agent:\n" + navigator.userAgent);
b_WaitingAjaxReturn=false;
return false;
}
}
else
{
o_AJAX.onreadystatechange = function()
{
jsDebug(o_AJAX.readyState);
//alert('Switching to state : '+o_AJAX.readyState);
if ((o_AJAX) &&
(o_AJAX!=undefined) &&
(o_AJAX.readyState!=undefined))
{
if (o_AJAX.readyState==4){
if (o_AJAX.status != 200) {
jsDebug('TRANSFER ERROR !!',true);
jsDebug("Received : "+o_AJAX.responseText);
jsDebug("Status : "+o_AJAX.statusText);
jsDebug("Headers : "+o_AJAX.getAllResponseHeaders());
}
else
{
jsDebug("OK");
}
//alert("Received : "+o_AJAX.responseText);
//alert("Status : "+o_AJAX.statusText);
//alert("Headers : "+o_AJAX.getAllResponseHeaders());
var status;
var data;
var xml = o_AJAX.responseXML;
// Le deuxieme test n'est executé que si le premier renvoie true [grace aux &&]
// Dans le cas ou meme si le premier test renvoie false on test la seconde partie, FF génère une exception
//Si le retour de la fonction PHP n'est pas un document XML valide
if ((xml==null)||(xml.documentElement == null))
{
if(sz_Callback)
{
sz_Call = 'sz_Callback(status,data';
if(m_CallbackArgs)
{
sz_Call += ',';
sz_Call += 'm_CallbackArgs';
}
sz_Call += ');';
}
// on renvoie le retour à la fonction callback en mode text
data = new Array();
status = 0;
/*if (xml==null)
sz_Error = "XML is null !! <br>";//+sz_Call+"<br>"+o_AJAX.responseText.replace(/^\s*|\s*$/g,"");
else
sz_Error = "xml.documentElement is null !! <br>";//+sz_Call+"<br>"+o_AJAX.responseText.replace(/^\s*|\s*$/g,"");*/
//jsDisplayErrorMessage(status, sz_Error);
tabAjaxRequests.shift();
jsShedule();
}
else
{
data = jsParseAjaxParam(xml);
if (data['reconnect']!=undefined)
{
document.getElementById("msgDiv").innerHTML = data['reconnect'];
jsCenterPopupInScreen("msgDiv");
document.getElementById("msgDiv").style.visibility='visible';
b_Identifying=true;
jsIdeSetFocus();
tabAjaxRequests[tabAjaxRequests.length]=tabAjaxRequests[0];
}
else if (data['message']!=undefined)
{
sz_Error = data['message'];
alert(sz_Error);
}
else if (data['error']!=undefined)
{
sz_Error = data['error'];
jsDisplayErrorMessage(status, sz_Error);
}
else
{
status = 0;
if(sz_Callback)
{
sz_Call = 'sz_Callback(status,data';
if(m_CallbackArgs)
{
sz_Call += ',';
sz_Call += 'm_CallbackArgs';
}
sz_Call += ');';
try
{
eval(sz_Call);
}
catch (e)
{
sz_Error = "<B>A Javascript error has occured :</b><br><br>\n ";
sz_Error += "name: "+e.name + "<br><br>\n ";
sz_Error += "message : "+e.message + "<br><br>\n ";
sz_Error += "fileName : "+e.fileName + "<br><br>\n ";
sz_Error += "lineNumber : "+e.lineNumber + "\n";
jsDebug("Caught error " + e + ": Could not eval " + data );
jsDisplayErrorMessage(status, sz_Error);
throw(e);
}
}
}
}
if (tabAjaxRequests)
tabAjaxRequests.shift();
jsShedule();
}
}
}
//alert('avant open : '+sajax_request_type+" : "+this.uri);
o_AJAX.open(sajax_request_type, this.uri, true);
//alert('apres open');
sajax_requests[sajax_requests.length] = o_AJAX;
if (sajax_request_type == "POST")
{
o_AJAX.setRequestHeader("Method", "POST " + this.uri + " HTTP/1.1");
o_AJAX.setRequestHeader("Cache-Control","no-cache");
o_AJAX.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
}
var i, n;
var post_data;
var target_id;
post_data = "req_type=ajax";
if (this.sz_ModuleKey) post_data += "&module=" + escape(this.sz_ModuleKey);
if (this.sz_ClassName) post_data += "&class=" + escape(this.sz_ClassName);
if (this.sz_EventName) post_data += "&event=" + escape(this.sz_EventName);
post_data += "&SCEcurrentDate=" + escape(new Date());
func_name = this.sz_ModuleKey+','+this.sz_ClassName+','+this.sz_EventName;
var xmlForm = "&m_Args=";
xmlForm += "<arg>";
xmlForm += "<param>";
if(this.m_Args){
if(isArray(this.m_Args)){
xmlForm += jsConvertTabToXML(this.m_Args,0);
}
else{
if(m_Args.length > 1){
xmlForm += "<string><![CDATA["+m_Args+"]]></string>";
if(m_Args == false) xmlForm += "<boolean>false</boolean>";
if(m_Args == true) xmlForm += "<boolean>true</boolean>";
}
}
}
xmlForm +="</param>";
xmlForm += "</arg>";
post_data += xmlForm;
jsDebug("Sending...");
try{
res = o_AJAX.send(post_data);
} catch (e) {
//alert('t\'as gagné');
}
jsDebug("sent!");
//jsDebug(func_name + " waiting..");
return true;
}
}
} |
[AJAX] readyState passe de 1 à 4 : Probleme Connu ?
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