//
// JsHttpRequest class extensions.
//
- JsHttpRequest.request= function(submit) {
- var url = window.location.toString();
- url = url.substring(0, url.indexOf('?'));
+// Main functions for asynchronus form submitions
+// Trigger is the source of request and can have following forms:
+// - input object - all form values are also submited
+// - arbitrary string - POST var trigger with value 1 is added to request;
+// if form parameter exists also form values are submited, otherwise
+// request is directed to current location
+//
+ JsHttpRequest.request= function(trigger, form) {
+
+ var submitObj = typeof(trigger) == "string" ?
+ document.getElementsByName(trigger)[0] : trigger;
+
+ form = form || (submitObj && submitObj.form);
+
+ var url = form ? form.action :
+ window.location.toString();
+
+ if (!form) url = url.substring(0, url.indexOf('?'));
+
+ var values = this.formValues(trigger, form);
+ if (!submitObj)
+ values[trigger] = 1;
+ // this is to avoid caching problems
+ values['_random'] = Math.random()*1234567;
JsHttpRequest.query(
'POST '+url, // backend
- this.formValues(submit),
-
+ values,
// Function is called when an answer arrives.
function(result, errors) {
- // Write errors to the debug div.
- document.getElementById('msgbox').innerHTML = errors;
-
// Write the answer.
if (result) {
for(var i in result ) {
atom = result[i];
-
cmd = atom['n'];
property = atom['p'];
type = atom['c'];
// seek element by id if there is no elemnt with given name
objElement = document.getElementsByName(id)[0] || document.getElementById(id);
if(cmd=='as') {
- eval("objElement."+property+"=data;");
+ eval("objElement.setAttribute('"+property+"',"+data+");");
} else if(cmd=='up') {
// if(!objElement) debug('No element "'+id+'"');
if (objElement.tagName == 'INPUT' || objElement.tagName == 'TEXTAREA')
objElement.value = data;
else
objElement.innerHTML = data; // selector, div, span etc
- } else if(cmd=='di') { // disable/enable element
+ } else if(cmd=='di') { // disable/enable element
objElement.disabled = data;
} else if(cmd=='fc') { // set focus
_focus = data;
} else if(cmd=='js') { // evaluate js code
eval(data);
} else if(cmd=='rd') { // client-side redirection
- _page_reload = true;
window.location = data;
} else {
errors = errors+'<br>Unknown ajax function: '+cmd;
}
- }
- Behaviour.apply();
+ }
+
+ // Write errors to the debug div.
+ document.getElementById('msgbox').innerHTML = errors;
+
+ Behaviour.apply();
if (errors.length>0)
window.scrollTo(0,0);
//document.getElementById('msgbox').scrollIntoView(true);
// Restore focus if we've just lost focus because of DOM element refresh
- setFocus();
+ setFocus();
}
},
false // do not disable caching
}
// returns input field values submitted when form button 'name' is pressed
//
- JsHttpRequest.formValues = function(inp)
+ JsHttpRequest.formValues = function(inp, objForm)
{
- var objForm;
- var submitObj;
+ var submitObj = inp;
var q = {};
+
if (typeof(inp) == "string")
submitObj = document.getElementsByName(inp)[0];
else
submitObj = inp;
- if(submitObj) {
- objForm = submitObj.form;
- }
+
+ objForm = objForm || (submitObj && submitObj.form);
+
if (objForm)
{
var formElements = objForm.elements;
if (el.type )
if(
((el.type == 'radio' || el.type == 'checkbox') && el.checked == false)
- || (el.type == 'submit' && el.name!=submitObj.name))
+ || (el.type == 'submit' && (!submitObj || el.name!=submitObj.name)))
continue;
if (el.disabled && el.disabled == true)
continue;
}
}
}
- // this is to avoid caching problems
- q['_random'] = Math.random()*1234567;
return q;
}
//
el = document.getElementById(name);
else
el = document.getElementsByName(name)[0];
+
if(el && el.focus) {
// The timeout is needed to prevent unpredictable behaviour on IE & Gecko.
// Using tmp var prevents crash on IE5
- var tmp = function() {el.focus()};
+
+ var tmp = function() {el.focus(); if (el.select) el.select();};
setTimeout(tmp, 0);
}
}