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(function(window){
if (window.BX.ajax) return;
var
BX = window.BX,
tempDefaultConfig = {},
defaultConfig = {
method: 'GET', // request method: GET|POST
dataType: 'html', // type of data loading: html|json|script
timeout: 0, // request timeout in seconds. 0 for browser-default
async: true, // whether request is asynchronous or not
processData: true, // any data processing is disabled if false, only callback call
scriptsRunFirst: false, // whether to run _all_ found scripts before onsuccess call. script tag can have an attribute "bxrunfirst" to turn this flag on only for itself
emulateOnload: true,
start: true, // send request immediately (if false, request can be started manually via XMLHttpRequest object returned)
cache: true // whether NOT to add random addition to URL
/*
other parameters:
url: url to get/post
data: data to post
onsuccess: successful request callback. BX.proxy may be used.
onfailure: request failure callback. BX.proxy may be used.
any of the default parameters can be overridden. defaults can be changed by BX.ajax.Setup() - for all further requests!
*/
},
ajax_session = null,
loadedScripts = {},
r = {
'url_utf': /[^\034-\254]+/g,
'script_self': /\/bitrix\/js\/main\/core\/core(_ajax)*.js$/i,
'script_self_window': /\/bitrix\/js\/main\/core\/core_window.js$/i,
'script_self_admin': /\/bitrix\/js\/main\/core\/core_admin.js$/i,
'script_onload': /window.onload/g
};
// low-level method
BX.ajax = function(config)
{
var status, data;
if (!config || !config.url || !BX.type.isString(config.url))
{
return false;
}
for (var i in tempDefaultConfig)
if (typeof (config[i]) == "undefined") config[i] = tempDefaultConfig[i];
tempDefaultConfig = {};
for (var i in defaultConfig)
if (typeof (config[i]) == "undefined") config[i] = defaultConfig[i];
config.method = config.method.toUpperCase();
if (BX.browser.IsIE())
{
var result = r.url_utf.exec(config.url);
if (result)
{
do
{
config.url = config.url.replace(result, BX.util.urlencode(result));
result = r.url_utf.exec(config.url);
} while (result);
}
}
if (!config.cache && config.method == 'GET')
config.url = BX.ajax._uncache(config.url);
if (config.method == 'POST')
{
config.data = BX.ajax.prepareData(config.data);
}
config.xhr = BX.ajax.xhr();
if (!config.xhr) return;
config.xhr.open(config.method, config.url, config.async);
if (config.method == 'POST')
{
config.xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}
var bRequestCompleted = false;
var onreadystatechange = config.xhr.onreadystatechange = function(additional)
{
if (bRequestCompleted)
return;
if (additional === 'timeout')
{
if (config.onfailure)
config.onfailure("timeout");
BX.onCustomEvent(config.xhr, 'onAjaxFailure', ['timeout', '', config]);
config.xhr.onreadystatechange = BX.DoNothing;
config.xhr.abort();
if (config.async)
{
config.xhr = null;
}
}
else
{
if (config.xhr.readyState == 4 || additional == 'run')
{
status = BX.ajax.xhrSuccess(config.xhr) ? "success" : "error";
bRequestCompleted = true;
config.xhr.onreadystatechange = BX.DoNothing;
if (status == 'success')
{
var data = config.xhr.responseText;
if (!config.processData)
{
if (config.onsuccess)
{
config.onsuccess(data);
}
BX.onCustomEvent(config.xhr, 'onAjaxSuccess', [data, config]);
}
else
{
try
{
data = BX.ajax.processRequestData(data, config);
}
catch (e)
{
if (config.onfailure)
config.onfailure("processing", e);
BX.onCustomEvent(config.xhr, 'onAjaxFailure', ['processing', e, config]);
}
}
}
else if (config.onfailure)
{
config.onfailure("status", config.xhr.status);
BX.onCustomEvent(config.xhr, 'onAjaxFailure', ['status', config.xhr.status, config]);
}
if (config.async)
{
config.xhr = null;
}
}
}
}
if (config.async && config.timeout > 0)
{
setTimeout(function() {
if (config.xhr && !bRequestCompleted)
{
onreadystatechange("timeout");
}
}, config.timeout * 1000);
}
if (config.start)
{
config.xhr.send(config.data);
if (!config.async)
{
onreadystatechange('run');
}
}
return config.xhr;
}
BX.ajax.xhr = function()
{
if (window.XMLHttpRequest)
{
try {return new XMLHttpRequest();} catch(e){}
}
else if (window.ActiveXObject)
{
try { return new ActiveXObject("Msxml2.XMLHTTP.6.0"); }
catch(e) {}
try { return new ActiveXObject("Msxml2.XMLHTTP.3.0"); }
catch(e) {}
try { return new ActiveXObject("Msxml2.XMLHTTP"); }
catch(e) {}
try { return new ActiveXObject("Microsoft.XMLHTTP"); }
catch(e) {}
throw new Error("This browser does not support XMLHttpRequest.");
}
return null;
}
BX.ajax.__prepareOnload = function(scripts)
{
if (scripts.length > 0)
{
BX.ajax['onload_' + ajax_session] = null;
for (var i=0,len=scripts.length;i<len;i++)
{
if (scripts[i].isInternal)
{
scripts[i].JS = scripts[i].JS.replace(r.script_onload, 'BX.ajax.onload_' + ajax_session);
}
}
}
}
BX.ajax.__runOnload = function()
{
if (null != BX.ajax['onload_' + ajax_session])
{
BX.ajax['onload_' + ajax_session].apply(window);
BX.ajax['onload_' + ajax_session] = null;
}
}
BX.ajax.processRequestData = function(data, config)
{
var result, scripts = [];
switch (config.dataType.toUpperCase())
{
case 'JSON':
if (data.indexOf("\n") >= 0)
eval('result = ' + data);
else
result = (new Function("return " + data))();
break;
case 'SCRIPT':
scripts.push({"isInternal": true, "JS": data, bRunFirst: config.scriptsRunFirst});
result = data;
break;
default: // HTML
var ob = BX.processHTML(data, config.scriptsRunFirst);
result = ob.HTML; scripts = ob.SCRIPT;
break;
}
var bSessionCreated = false;
if (null == ajax_session)
{
ajax_session = parseInt(Math.random() * 1000000);
bSessionCreated = true;
}
if (config.emulateOnload)
BX.ajax.__prepareOnload(scripts);
BX.ajax.processScripts(scripts, true);
if (config.onsuccess)
{
config.onsuccess(result);
}
BX.onCustomEvent(config.xhr, 'onAjaxSuccess', [result, config]);
BX.ajax.processScripts(scripts, false);
setTimeout(function()
{
if (config.emulateOnload)
BX.ajax.__runOnload();
if (bSessionCreated)
ajax_session = null;
}, 10);
}
BX.ajax.processScripts = function(scripts, bRunFirst)
{
for (var i = 0, length = scripts.length; i < length; i++)
{
if (null != bRunFirst && bRunFirst != !!scripts[i].bRunFirst)
continue;
if (scripts[i].isInternal)
{
BX.evalGlobal(scripts[i].JS);
}
else
{
BX.ajax.loadScriptAjax([scripts[i].JS]);
}
}
}
// TODO: extend this function to use with any data objects or forms
BX.ajax.prepareData = function(arData, prefix)
{
var data = '';
if (BX.type.isString(arData))
data = arData;
else if (null != arData)
{
for(var i in arData)
{
if (data.length > 0) data += '&';
var name = BX.util.urlencode(i);
if(prefix)
name = prefix + '[' + name + ']';
if(typeof arData[i] == 'object')
data += BX.ajax.prepareData(arData[i], name)
else
data += name + '=' + BX.util.urlencode(arData[i])
}
}
return data;
}
BX.ajax.xhrSuccess = function(xhr)
{
return (xhr.status >= 200 && xhr.status < 300) || xhr.status === 304 || xhr.status === 1223 || xhr.status === 0;
}
BX.ajax.Setup = function(config, bTemp)
{
bTemp = !!bTemp;
for (var i in config)
{
if (bTemp)
tempDefaultConfig[i] = config[i];
else
defaultConfig[i] = config[i];
}
}
BX.ajax._uncache = function(url)
{
return url + ((url.indexOf('?') !== -1 ? "&" : "?") + '_=' + (new Date).getTime());
}
/* simple interface */
BX.ajax.get = function(url, data, callback)
{
if (BX.type.isFunction(data))
{
callback = data;
data = '';
}
data = BX.ajax.prepareData(data);
if (data)
{
url += (url.indexOf('?') !== -1 ? "&" : "?") + data;
data = '';
}
return BX.ajax({
'method': 'GET',
'dataType': 'html',
'url': url,
'data': '',
'onsuccess': callback
});
}
BX.ajax.insertToNode = function(url, node)
{
if (node = BX(node))
{
var show = BX.showWait(node);
return BX.ajax.get(url, function(data) {
node.innerHTML = data;
BX.closeWait(node, show);
});
}
}
BX.ajax.post = function(url, data, callback)
{
data = BX.ajax.prepareData(data);
return BX.ajax({
'method': 'POST',
'dataType': 'html',
'url': url,
'data': data,
'onsuccess': callback
});
}
/* load and execute external file script with onload emulation */
BX.ajax.loadScriptAjax = function(script_src, callback)
{
if (BX.type.isArray(script_src))
{
for (var i=0,len=script_src.length;i<len;i++)
BX.ajax.loadScriptAjax(script_src[i], callback);
}
else
{
if (r.script_self.test(script_src)) return;
if (r.script_self_window.test(script_src) && BX.CWindow) return;
if (r.script_self_admin.test(script_src) && BX.admin) return;
if (!loadedScripts[script_src])
{
return BX.ajax({
url: script_src,
method: 'GET',
dataType: 'script',
processData: true,
async: false,
start: true,
onsuccess: function(result) {
loadedScripts[script_src] = result;
if (callback)
callback(result);
}
});
}
else if (callback)
{
callback(loadedScripts[script_src]);
}
}
}
/* non-xhr loadings */
BX.ajax.loadJSON = function(url, data, callback)
{
if (BX.type.isFunction(data))
{
callback = data;
data = '';
}
data = BX.ajax.prepareData(data);
if (data)
{
url += (url.indexOf('?') !== -1 ? "&" : "?") + data;
data = '';
}
return BX.ajax({
'method': 'GET',
'dataType': 'json',
'url': url,
'onsuccess': callback
});
}
/*
arObs = [{
url: url,
type: html|script|json|css,
callback: function
}]
*/
BX.ajax.load = function(arObs, callback)
{
if (!BX.type.isArray(arObs))
arObs = [arObs];
var cnt = 0;
if (!BX.type.isFunction(callback))
callback = BX.DoNothing;
var handler = function(data)
{
if (BX.type.isFunction(this.callback))
this.callback(data);
if (++cnt >= len)
callback();
};
for (var i = 0, len = arObs.length; i<len; i++)
{
switch(arObs.type.toUpperCase())
{
case 'SCRIPT':
BX.loadScript([arObs[i].url], jsBX.proxy(handler, arObs[i]));
break;
case 'CSS':
BX.loadCSS([arObs[i].url]);
if (++cnt >= len)
callback();
break;
case 'JSON':
BX.ajax.loadJSON(arObs.url, jsBX.proxy(handler, arObs[i]));
break;
default:
BX.ajax.get(arObs.url, '', jsBX.proxy(handler, arObs[i]));
break;
}
}
}
/* ajax form sending */
BX.ajax.submit = function(obForm, callback)
{
if (!obForm.target)
{
if (null == obForm.BXFormTarget)
{
var frame_name = 'formTarget_' + Math.random();
obForm.BXFormTarget = document.body.appendChild(BX.create('IFRAME', {
props: {
name: frame_name,
id: frame_name,
src: 'javascript:void(0)'
},
style: {
display: 'none'
}
}));
}
obForm.target = obForm.BXFormTarget.name;
}
if (!obForm.BXFormSubmit)
{
obForm.BXFormSubmit = obForm.appendChild(BX.create('INPUT', {
'props': {
'type': 'submit',
'name': 'save',
'value': 'Y'
},
'style': {
'display': 'none'
}
}));
}
obForm.BXFormCallback = callback;
BX.bind(obForm.BXFormTarget, 'load', BX.proxy(BX.ajax._submit_callback, obForm));
obForm.BXFormSubmit.click();
}
// func will be executed in form context
BX.ajax._submit_callback = function()
{
//opera triggers onload event even on empty iframe
if(this.BXFormTarget.contentWindow.location.href.indexOf('http') != 0)
return;
if (this.BXFormCallback)
this.BXFormCallback.apply(this, [this.BXFormTarget.contentWindow.document.body.innerHTML]);
BX.unbindAll(this.BXFormTarget);
}
// TODO: currently in window extension. move it here.
BX.ajax.submitAjax = function(obForm, callback)
{
}
/* user options handling */
BX.userOptions = {
options: null,
bSend: false,
delay: 5000
}
BX.userOptions.save = function(sCategory, sName, sValName, sVal, bCommon)
{
if (null == BX.userOptions.options)
BX.userOptions.options = {};
bCommon = !!bCommon;
BX.userOptions.options[sCategory+'.'+sName+'.'+sValName] = [sCategory, sName, sValName, sVal, bCommon];
var sParam = BX.userOptions.__get();
if (sParam != '')
document.cookie = BX.message('COOKIE_PREFIX')+"_LAST_SETTINGS=" + sParam + "&sessid="+BX.bitrix_sessid()+"; expires=Thu, 31 Dec 2020 23:59:59 GMT; path=/;";
if(!BX.userOptions.bSend)
{
BX.userOptions.bSend = true;
setTimeout(function(){BX.userOptions.send(null)}, BX.userOptions.delay);
}
}
BX.userOptions.send = function(callback)
{
var sParam = BX.userOptions.__get();
BX.userOptions.options = null;
BX.userOptions.bSend = false;
if (sParam != '')
{
document.cookie = BX.message('COOKIE_PREFIX') + "_LAST_SETTINGS=; path=/;";
BX.ajax({
'method': 'GET',
'dataType': 'html',
'processData': false,
'cache': false,
'url': '/bitrix/admin/user_options.php?'+sParam+'&sessid='+BX.bitrix_sessid(),
'onsuccess': callback
});
}
}
BX.userOptions.del = function(sCategory, sName, bCommon, callback)
{
BX.ajax.get('/bitrix/admin/user_options.php?action=delete&c='+sCategory+'&n='+sName+(bCommon == true? '&common=Y':'')+'&sessid='+BX.bitrix_sessid(), callback);
}
BX.userOptions.__get = function()
{
if (!BX.userOptions.options) return '';
var sParam = '', n = -1, prevParam = '', arOpt, i;
for (i in BX.userOptions.options)
{
aOpt = BX.userOptions.options[i];
if (prevParam != aOpt[0]+'.'+aOpt[1])
{
n++;
sParam += '&p['+n+'][c]='+BX.util.urlencode(aOpt[0]);
sParam += '&p['+n+'][n]='+BX.util.urlencode(aOpt[1]);
if (aOpt[4] == true)
sParam += '&p['+n+'][d]=Y';
prevParam = aOpt[0]+'.'+aOpt[1];
}
sParam += '&p['+n+'][v]['+BX.util.urlencode(aOpt[2])+']='+BX.util.urlencode(aOpt[3]);
}
return sParam.substr(1);
}
})(window)