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/*
client side js functions for remote calls into the server
Copyright Andrew Tridgell 2005
released under the GNU GPL Version 2 or later
*/
var __call = new Object();
/*
we can't use the qooxdoo portability layer for this, as it assumes
you are using an XML transport, so instead replicate the portability
code for remote calls here. Don't look too closely or you will go
blind.
*/
__call._activex = window.ActiveXObject && !(new QxClient).isOpera() ? true : false;
__call._activexobj = null;
__call._ok = QxXmlHttpLoader._http || QxXmlHttpLoader._activex;
if (__call._activex) {
var servers = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
for (var i=0; i<servers.length; i++) {
try {
var o = new ActiveXObject(servers[i] + ".XMLHTTP");
__call._activexobj = servers[i];
o = null;
} catch(ex) {};
};
};
/*
return a http object ready for a remote call
*/
function __http_object() {
return __call._activex ?
new ActiveXObject(__call._activexobj + ".XMLHTTP") :
new XMLHttpRequest();
}
/*
usage:
vserver_call(url, func, callback, args);
'func' is a function name to call on the server
any additional arguments are passed to func() on the server
The callback() function is called with the returned
object. 'callback' may be null.
*/
function vserver_call_url(url, func, callback, args) {
var args2 = new Object();
args2.length = args.length;
var i;
for (i=0;i<args.length;i++) {
args2[i] = args[i];
}
var req = __http_object();
req.open("POST", url, true);
req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
req.send("ajaj_func=" + func + "&ajaj_args=" + encodeObject(args2));
req.onreadystatechange = function() {
if (4 == req.readyState && callback != null) {
var o = decodeObject(req.responseText);
callback(o.res);
}
}
}
/*
usage:
server_call_url(url, func, callback, ...);
'func' is a function name to call on the server
any additional arguments are passed to func() on the server
The callback() function is called with the returned
object. 'callback' may be null.
*/
function server_call_url(url, func, callback) {
var args = new Object();
var i;
for (i=3;i<arguments.length;i++) {
args[i-3] = arguments[i];
}
args.length = i-3;
vserver_call_url(url, func, callback, args);
}
/*
call printf on the server
*/
function srv_printf() {
vserver_call_url('/scripting/general_calls.esp', 'srv_printf', null, arguments);
}
/*
usage:
server_call(func, callback, ...);
'func' is a function name to call on the server
any additional arguments are passed to func() on the server
The callback() function is called with the returned
object. 'callback' may be null.
*/
function server_call(func, callback) {
var args = new Array(arguments.length-2);
var i;
for (i=0;i<args.length;i++) {
args[i] = arguments[i+1];
}
vserver_call_url("@request.REQUEST_URI", func, callback, args);
}
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