;(function($) {
$.fn.ajaxSubmit = function(options) {
// fast fail if nothing selected (http://dev.jquery.com/ticket/2752)
if (!this.length) {
log('ajaxSubmit: skipping submit process - no element selected');
return this;
}
if (typeof options == 'function') {
options = { success: options };
}
var action = this.attr('action');
var url = (typeof action === 'string') ? $.trim(action) : '';
if (url) {
// clean url (don't include hash vaue)
url = (url.match(/^([^#]+)/)||[])[1];
}
url = url || window.location.href || '';
options = $.extend(true, {
url: url,
success: $.ajaxSettings.success,
type: this[0].getAttribute('method') || 'GET', // IE7 massage (see issue 57)
iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank'
}, options);
// hook for manipulating the form data before it is extracted;
// convenient for use with rich editors like tinyMCE or FCKEditor
var veto = {};
this.trigger('form-pre-serialize', [this, options, veto]);
if (veto.veto) {
log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
return this;
}
// provide opportunity to alter form data before it is serialized
if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
log('ajaxSubmit: submit aborted via beforeSerialize callback');
return this;
}
var n,v,a = this.formToArray(options.semantic);
if (options.data) {
options.extraData = options.data;
for (n in options.data) {
if(options.data[n] instanceof Array) {
for (var k in options.data[n]) {
a.push( { name: n, value: options.data[n][k] } );
}
}
else {
v = options.data[n];
v = $.isFunction(v) ? v() : v; // if value is fn, invoke it
a.push( { name: n, value: v } );
}
}
}
// give pre-submit callback an opportunity to abort the submit
if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
log('ajaxSubmit: submit aborted via beforeSubmit callback');
return this;
}
// fire vetoable 'validate' event
this.trigger('form-submit-validate', [a, this, options, veto]);
if (veto.veto) {
log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
return this;
}
var q = $.param(a);
if (options.type.toUpperCase() == 'GET') {
options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
options.data = null; // data is null for 'get'
}
else {
options.data = q; // data is the query string for 'post'
}
var $form = this, callbacks = [];
if (options.resetForm) {
callbacks.push(function() { $form.resetForm(); });
}
if (options.clearForm) {
callbacks.push(function() { $form.clearForm(); });
}
// perform a load on the target only if dataType is not provided
if (!options.dataType && options.target) {
var oldSuccess = options.success || function(){};
callbacks.push(function(data) {
var fn = options.replaceTarget ? 'replaceWith' : 'html';
$(options.target)[fn](data).each(oldSuccess, arguments);
});
}
else if (options.success) {
callbacks.push(options.success);
}
options.success = function(data, status, xhr) { // jQuery 1.4+ passes xhr as 3rd arg
var context = options.context || options; // jQuery 1.4+ supports scope context
for (var i=0, max=callbacks.length; i < max; i++) {
callbacks[i].apply(context, [data, status, xhr || $form, $form]);
}
};
// are there files to upload?
var fileInputs = $('input:file', this).length > 0;
var mp = 'multipart/form-data';
var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp);
// options.iframe allows user to force iframe mode
// 06-NOV-09: now defaulting to iframe mode if file input is detected
if (options.iframe !== false && (fileInputs || options.iframe || multipart)) {
// hack to fix Safari hang (thanks to Tim Molendijk for this)
// see: http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
if (options.closeKeepAlive) {
$.get(options.closeKeepAlive, fileUpload);
}
else {
fileUpload();
}
}
else {
$.ajax(options);
}
// fire 'notify' event
this.trigger('form-submit-notify', [this, options]);
return this;
// private function for handling file uploads (hat tip to YAHOO!)
function fileUpload() {
var form = $form[0];
if ($(':input[name=submit],:input[id=submit]', form).length) {
// if there is an input with a name or id of 'submit' then we won't be
// able to invoke the submit fn on the form (at least not x-browser)
alert('Error: Form elements must not have name or id of "submit".');
return;
}
var s = $.extend(true, {}, $.ajaxSettings, options);
s.context = s.context || s;
var id = 'jqFormIO' + (new Date().getTime()), fn = '_'+id;
var $io = $('');
var io = $io[0];
$io.css({ position: 'absolute', top: '-1000px', left: '-1000px' });
var xhr = { // mock object
aborted: 0,
responseText: null,
responseXML: null,
status: 0,
statusText: 'n/a',
getAllResponseHeaders: function() {},
getResponseHeader: function() {},
setRequestHeader: function() {},
abort: function(status) {
var e = (status === 'timeout' ? 'timeout' : 'aborted');
log('aborting upload... ' + e);
this.aborted = 1;
$io.attr('src', s.iframeSrc); // abort op in progress
xhr.error = e;
s.error && s.error.call(s.context, xhr, e, e);
g && $.event.trigger("ajaxError", [xhr, s, e]);
s.complete && s.complete.call(s.context, xhr, e);
}
};
var g = s.global;
// trigger ajax global events so that activity/block indicators work like normal
if (g && ! $.active++) {
$.event.trigger("ajaxStart");
}
if (g) {
$.event.trigger("ajaxSend", [xhr, s]);
}
if (s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false) {
if (s.global) {
$.active--;
}
return;
}
if (xhr.aborted) {
return;
}
var timedOut = 0, timeoutHandle;
// add submitting element to data if we know it
var sub = form.clk;
if (sub) {
var n = sub.name;
if (n && !sub.disabled) {
s.extraData = s.extraData || {};
s.extraData[n] = sub.value;
if (sub.type == "image") {
s.extraData[n+'.x'] = form.clk_x;
s.extraData[n+'.y'] = form.clk_y;
}
}
}
// take a breath so that pending repaints get some cpu time before the upload starts
function doSubmit() {
// make sure form attrs are set
var t = $form.attr('target'), a = $form.attr('action');
// update form attrs in IE friendly way
form.setAttribute('target',id);
if (form.getAttribute('method') != 'POST') {
form.setAttribute('method', 'POST');
}
if (form.getAttribute('action') != s.url) {
form.setAttribute('action', s.url);
}
// ie borks in some cases when setting encoding
if (! s.skipEncodingOverride) {
$form.attr({
encoding: 'multipart/form-data',
enctype: 'multipart/form-data'
});
}
// support timout
if (s.timeout) {
timeoutHandle = setTimeout(function() { timedOut = true; cb(true); }, s.timeout);
}
// add "extra" data to form if provided in options
var extraInputs = [];
try {
if (s.extraData) {
for (var n in s.extraData) {
extraInputs.push(
$('')
.appendTo(form)[0]);
}
}
// add iframe to doc and submit the form
$io.appendTo('body');
io.attachEvent ? io.attachEvent('onload', cb) : io.addEventListener('load', cb, false);
form.submit();
}
finally {
// reset attrs and remove "extra" input elements
form.setAttribute('action',a);
if(t) {
form.setAttribute('target', t);
} else {
$form.removeAttr('target');
}
$(extraInputs).remove();
}
}
if (s.forceSync) {
doSubmit();
}
else {
setTimeout(doSubmit, 10); // this lets dom updates render
}
var data, doc, domCheckCount = 50, callbackProcessed;
function cb(e) {
if (xhr.aborted || callbackProcessed) {
return;
}
if (e === true && xhr) {
xhr.abort('timeout');
return;
}
var doc = io.contentWindow ? io.contentWindow.document : io.contentDocument ? io.contentDocument : io.document;
if (!doc || doc.location.href == s.iframeSrc) {
// response not received yet
if (!timedOut)
return;
}
io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false);
var ok = true;
try {
if (timedOut) {
throw 'timeout';
}
var isXml = s.dataType == 'xml' || doc.XMLDocument || $.isXMLDoc(doc);
log('isXml='+isXml);
if (!isXml && window.opera && (doc.body == null || doc.body.innerHTML == '')) {
if (--domCheckCount) {
// in some browsers (Opera) the iframe DOM is not always traversable when
// the onload callback fires, so we loop a bit to accommodate
log('requeing onLoad callback, DOM not available');
setTimeout(cb, 250);
return;
}
// let this fall through because server response could be an empty document
//log('Could not access iframe DOM after mutiple tries.');
//throw 'DOMException: not available';
}
//log('response detected');
xhr.responseText = doc.body ? doc.body.innerHTML : doc.documentElement ? doc.documentElement.innerHTML : null;
xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
if (!xhr.responseText && xhr.responseXML && !s.dataType)
s.dataType = 'xml';
xhr.getResponseHeader = function(header){
var headers = {'content-type': s.dataType};
return headers[header];
};
var scr = /(json|script|text)/.test(s.dataType);
if (scr || s.textarea) {
// see if user embedded response in textarea
var ta = doc.getElementsByTagName('textarea')[0];
if (ta) {
xhr.responseText = ta.value;
}
else if (scr) {
// account for browsers injecting pre around json response
var pre = doc.getElementsByTagName('pre')[0];
var b = doc.getElementsByTagName('body')[0];
if (pre) {
xhr.responseText = pre.textContent;
}
else if (b) {
xhr.responseText = b.innerHTML;
}
}
}
else if (s.dataType == 'xml' && !xhr.responseXML && xhr.responseText != null) {
xhr.responseXML = toXml(xhr.responseText);
}
data = httpData(xhr, s.dataType, s);
}
catch(e){
log('error caught:',e);
ok = false;
xhr.error = e;
s.error && s.error.call(s.context, xhr, 'error', e);
g && $.event.trigger("ajaxError", [xhr, s, e]);
}
if (xhr.aborted) {
log('upload aborted');
ok = false;
}
// ordering of these callbacks/triggers is odd, but that's how $.ajax does it
if (ok) {
s.success && s.success.call(s.context, data, 'success', xhr);
g && $.event.trigger("ajaxSuccess", [xhr, s]);
}
g && $.event.trigger("ajaxComplete", [xhr, s]);
if (g && ! --$.active) {
$.event.trigger("ajaxStop");
}
s.complete && s.complete.call(s.context, xhr, ok ? 'success' : 'error');
callbackProcessed = true;
if (s.timeout)
clearTimeout(timeoutHandle);
// clean up
setTimeout(function() {
$io.removeData('form-plugin-onload');
$io.remove();
xhr.responseXML = null;
}, 100);
}
var toXml = $.parseXML || function(s, doc) { // use parseXML if available (jQuery 1.5+)
if (window.ActiveXObject) {
doc = new ActiveXObject('Microsoft.XMLDOM');
doc.async = 'false';
doc.loadXML(s);
}
else {
doc = (new DOMParser()).parseFromString(s, 'text/xml');
}
return (doc && doc.documentElement && doc.documentElement.nodeName != 'parsererror') ? doc : null;
};
var parseJSON = $.parseJSON || function(s) {
return window['eval']('(' + s + ')');
};
var httpData = function( xhr, type, s ) { // mostly lifted from jq1.4.4
var ct = xhr.getResponseHeader('content-type') || '',
xml = type === 'xml' || !type && ct.indexOf('xml') >= 0,
data = xml ? xhr.responseXML : xhr.responseText;
if (xml && data.documentElement.nodeName === 'parsererror') {
$.error && $.error('parsererror');
}
if (s && s.dataFilter) {
data = s.dataFilter(data, type);
}
if (typeof data === 'string') {
if (type === 'json' || !type && ct.indexOf('json') >= 0) {
data = parseJSON(data);
} else if (type === "script" || !type && ct.indexOf("javascript") >= 0) {
$.globalEval(data);
}
}
return data;
};
}
};
$.fn.ajaxForm = function(options) {
// in jQuery 1.3+ we can fix mistakes with the ready state
if (this.length === 0) {
var o = { s: this.selector, c: this.context };
if (!$.isReady && o.s) {
log('DOM not ready, queuing ajaxForm');
$(function() {
$(o.s,o.c).ajaxForm(options);
});
return this;
}
// is your DOM ready? http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
return this;
}
return this.ajaxFormUnbind().bind('submit.form-plugin', function(e) {
if (!e.isDefaultPrevented()) { // if event has been canceled, don't proceed
e.preventDefault();
$(this).ajaxSubmit(options);
}
}).bind('click.form-plugin', function(e) {
var target = e.target;
var $el = $(target);
if (!($el.is(":submit,input:image"))) {
// is this a child element of the submit el? (ex: a span within a button)
var t = $el.closest(':submit');
if (t.length == 0) {
return;
}
target = t[0];
}
var form = this;
form.clk = target;
if (target.type == 'image') {
if (e.offsetX != undefined) {
form.clk_x = e.offsetX;
form.clk_y = e.offsetY;
} else if (typeof $.fn.offset == 'function') { // try to use dimensions plugin
var offset = $el.offset();
form.clk_x = e.pageX - offset.left;
form.clk_y = e.pageY - offset.top;
} else {
form.clk_x = e.pageX - target.offsetLeft;
form.clk_y = e.pageY - target.offsetTop;
}
}
// clear form vars
setTimeout(function() { form.clk = form.clk_x = form.clk_y = null; }, 100);
});
};
// ajaxFormUnbind unbinds the event handlers that were bound by ajaxForm
$.fn.ajaxFormUnbind = function() {
return this.unbind('submit.form-plugin click.form-plugin');
};
$.fn.formToArray = function(semantic) {
var a = [];
if (this.length === 0) {
return a;
}
var form = this[0];
var els = semantic ? form.getElementsByTagName('*') : form.elements;
if (!els) {
return a;
}
var i,j,n,v,el,max,jmax;
for(i=0, max=els.length; i < max; i++) {
el = els[i];
n = el.name;
if (!n) {
continue;
}
if (semantic && form.clk && el.type == "image") {
// handle image inputs on the fly when semantic == true
if(!el.disabled && form.clk == el) {
a.push({name: n, value: $(el).val()});
a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
}
continue;
}
v = $.fieldValue(el, true);
if (v && v.constructor == Array) {
for(j=0, jmax=v.length; j < jmax; j++) {
a.push({name: n, value: v[j]});
}
}
else if (v !== null && typeof v != 'undefined') {
a.push({name: n, value: v});
}
}
if (!semantic && form.clk) {
// input type=='image' are not found in elements array! handle it here
var $input = $(form.clk), input = $input[0];
n = input.name;
if (n && !input.disabled && input.type == 'image') {
a.push({name: n, value: $input.val()});
a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
}
}
return a;
};
$.fn.formSerialize = function(semantic) {
//hand off to jQuery.param for proper encoding
return $.param(this.formToArray(semantic));
};
$.fn.fieldSerialize = function(successful) {
var a = [];
this.each(function() {
var n = this.name;
if (!n) {
return;
}
var v = $.fieldValue(this, successful);
if (v && v.constructor == Array) {
for (var i=0,max=v.length; i < max; i++) {
a.push({name: n, value: v[i]});
}
}
else if (v !== null && typeof v != 'undefined') {
a.push({name: this.name, value: v});
}
});
//hand off to jQuery.param for proper encoding
return $.param(a);
};
$.fn.fieldValue = function(successful) {
for (var val=[], i=0, max=this.length; i < max; i++) {
var el = this[i];
var v = $.fieldValue(el, successful);
if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length)) {
continue;
}
v.constructor == Array ? $.merge(val, v) : val.push(v);
}
return val;
};
$.fieldValue = function(el, successful) {
var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
if (successful === undefined) {
successful = true;
}
if (successful && (!n || el.disabled || t == 'reset' || t == 'button' ||
(t == 'checkbox' || t == 'radio') && !el.checked ||
(t == 'submit' || t == 'image') && el.form && el.form.clk != el ||
tag == 'select' && el.selectedIndex == -1)) {
return null;
}
if (tag == 'select') {
var index = el.selectedIndex;
if (index < 0) {
return null;
}
var a = [], ops = el.options;
var one = (t == 'select-one');
var max = (one ? index+1 : ops.length);
for(var i=(one ? index : 0); i < max; i++) {
var op = ops[i];
if (op.selected) {
var v = op.value;
if (!v) { // extra pain for IE...
v = (op.attributes && op.attributes['value'] && !(op.attributes['value'].specified)) ? op.text : op.value;
}
if (one) {
return v;
}
a.push(v);
}
}
return a;
}
return $(el).val();
};
$.fn.clearForm = function() {
return this.each(function() {
$('input,select,textarea', this).clearFields();
});
};
$.fn.clearFields = $.fn.clearInputs = function() {
return this.each(function() {
var t = this.type, tag = this.tagName.toLowerCase();
if (t == 'text' || t == 'password' || tag == 'textarea') {
this.value = '';
}
else if (t == 'checkbox' || t == 'radio') {
this.checked = false;
}
else if (tag == 'select') {
this.selectedIndex = -1;
}
});
};
$.fn.resetForm = function() {
return this.each(function() {
// guard against an input with the name of 'reset'
// note that IE reports the reset function as an 'object'
if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType)) {
this.reset();
}
});
};
$.fn.enable = function(b) {
if (b === undefined) {
b = true;
}
return this.each(function() {
this.disabled = !b;
});
};
$.fn.selected = function(select) {
if (select === undefined) {
select = true;
}
return this.each(function() {
var t = this.type;
if (t == 'checkbox' || t == 'radio') {
this.checked = select;
}
else if (this.tagName.toLowerCase() == 'option') {
var $sel = $(this).parent('select');
if (select && $sel[0] && $sel[0].type == 'select-one') {
// deselect all other options
$sel.find('option').selected(false);
}
this.selected = select;
}
});
};
// helper fn for console logging
// set $.fn.ajaxSubmit.debug to true to enable debug logging
function log() {
if ($.fn.ajaxSubmit.debug) {
var msg = '[jquery.form] ' + Array.prototype.join.call(arguments,'');
if (window.console && window.console.log) {
window.console.log(msg);
}
else if (window.opera && window.opera.postError) {
window.opera.postError(msg);
}
}
};
})(jQuery);