diff options
-rw-r--r-- | js/jquery.form.js | 1292 |
1 files changed, 632 insertions, 660 deletions
diff --git a/js/jquery.form.js b/js/jquery.form.js index dde394270..936b847ab 100644 --- a/js/jquery.form.js +++ b/js/jquery.form.js @@ -1,660 +1,632 @@ -/* - * jQuery Form Plugin - * version: 2.36 (07-NOV-2009) - * @requires jQuery v1.2.6 or later - * - * Examples and documentation at: http://malsup.com/jquery/form/ - * Dual licensed under the MIT and GPL licenses: - * http://www.opensource.org/licenses/mit-license.php - * http://www.gnu.org/licenses/gpl.html - */ -;(function($) { - -/* - Usage Note: - ----------- - Do not use both ajaxSubmit and ajaxForm on the same form. These - functions are intended to be exclusive. Use ajaxSubmit if you want - to bind your own submit handler to the form. For example, - - $(document).ready(function() { - $('#myForm').bind('submit', function() { - $(this).ajaxSubmit({ - target: '#output' - }); - return false; // <-- important! - }); - }); - - Use ajaxForm when you want the plugin to manage all the event binding - for you. For example, - - $(document).ready(function() { - $('#myForm').ajaxForm({ - target: '#output' - }); - }); - - When using ajaxForm, the ajaxSubmit function will be invoked for you - at the appropriate time. -*/ - -/** - * ajaxSubmit() provides a mechanism for immediately submitting - * an HTML form using AJAX. - */ -$.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 url = $.trim(this.attr('action')); - if (url) { - // clean url (don't include hash vaue) - url = (url.match(/^([^#]+)/)||[])[1]; - } - url = url || window.location.href || ''; - - options = $.extend({ - url: url, - type: this.attr('method') || 'GET', - 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 a = this.formToArray(options.semantic); - if (options.data) { - options.extraData = options.data; - for (var 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 - a.push( { name: n, value: options.data[n] } ); - } - } - - // 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) { - $(options.target).html(data).each(oldSuccess, arguments); - }); - } - else if (options.success) - callbacks.push(options.success); - - options.success = function(data, status) { - for (var i=0, max=callbacks.length; i < max; i++) - callbacks[i].apply(options, [data, status, $form]); - }; - - // are there files to upload? - var files = $('input:file', this).fieldValue(); - var found = false; - for (var j=0; j < files.length; j++) - if (files[j]) - found = true; - - var multipart = false; -// var mp = 'multipart/form-data'; -// multipart = ($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 ((files.length && options.iframe !== false) || options.iframe || found || 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]', form).length) { - alert('Error: Form elements must not be named "submit".'); - return; - } - - var opts = $.extend({}, $.ajaxSettings, options); - var s = $.extend(true, {}, $.extend(true, {}, $.ajaxSettings), opts); - - var id = 'jqFormIO' + (new Date().getTime()); - var $io = $('<iframe id="' + id + '" name="' + id + '" src="'+ opts.iframeSrc +'" />'); - 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() { - this.aborted = 1; - $io.attr('src', opts.iframeSrc); // abort op in progress - } - }; - - var g = opts.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, opts]); - - if (s.beforeSend && s.beforeSend(xhr, s) === false) { - s.global && $.active--; - return; - } - if (xhr.aborted) - return; - - var cbInvoked = 0; - var timedOut = 0; - - // add submitting element to data if we know it - var sub = form.clk; - if (sub) { - var n = sub.name; - if (n && !sub.disabled) { - options.extraData = options.extraData || {}; - options.extraData[n] = sub.value; - if (sub.type == "image") { - options.extraData[name+'.x'] = form.clk_x; - options.extraData[name+'.y'] = form.clk_y; - } - } - } - - // take a breath so that pending repaints get some cpu time before the upload starts - setTimeout(function() { - // 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') != opts.url) - form.setAttribute('action', opts.url); - - // ie borks in some cases when setting encoding - if (! options.skipEncodingOverride) { - $form.attr({ - encoding: 'multipart/form-data', - enctype: 'multipart/form-data' - }); - } - - // support timout - if (opts.timeout) - setTimeout(function() { timedOut = true; cb(); }, opts.timeout); - - // add "extra" data to form if provided in options - var extraInputs = []; - try { - if (options.extraData) - for (var n in options.extraData) - extraInputs.push( - $('<input type="hidden" name="'+n+'" value="'+options.extraData[n]+'" />') - .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); - t ? form.setAttribute('target', t) : $form.removeAttr('target'); - $(extraInputs).remove(); - } - }, 10); - - var domCheckCount = 50; - - function cb() { - if (cbInvoked++) return; - - io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false); - - var ok = true; - try { - if (timedOut) throw 'timeout'; - // extract the server response from the iframe - var data, doc; - - doc = io.contentWindow ? io.contentWindow.document : io.contentDocument ? io.contentDocument : io.document; - - var isXml = opts.dataType == 'xml' || doc.XMLDocument || $.isXMLDoc(doc); - log('isXml='+isXml); - if (!isXml && (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 - cbInvoked = 0; - setTimeout(cb, 100); - return; - } - log('Could not access iframe DOM after 50 tries.'); - return; - } - - xhr.responseText = doc.body ? doc.body.innerHTML : null; - xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc; - xhr.getResponseHeader = function(header){ - var headers = {'content-type': opts.dataType}; - return headers[header]; - }; - - if (opts.dataType == 'json' || opts.dataType == 'script') { - // see if user embedded response in textarea - var ta = doc.getElementsByTagName('textarea')[0]; - if (ta) - xhr.responseText = ta.value; - else { - // account for browsers injecting pre around json response - var pre = doc.getElementsByTagName('pre')[0]; - if (pre) - xhr.responseText = pre.innerHTML; - } - } - else if (opts.dataType == 'xml' && !xhr.responseXML && xhr.responseText != null) { - xhr.responseXML = toXml(xhr.responseText); - } - data = $.httpData(xhr, opts.dataType); - } - catch(e){ - ok = false; - $.handleError(opts, xhr, 'error', e); - } - - // ordering of these callbacks/triggers is odd, but that's how $.ajax does it - if (ok) { - opts.success(data, 'success'); - if (g) $.event.trigger("ajaxSuccess", [xhr, opts]); - } - if (g) $.event.trigger("ajaxComplete", [xhr, opts]); - if (g && ! --$.active) $.event.trigger("ajaxStop"); - if (opts.complete) opts.complete(xhr, ok ? 'success' : 'error'); - - // clean up - setTimeout(function() { - $io.remove(); - xhr.responseXML = null; - }, 100); - }; - - function toXml(s, doc) { - if (window.ActiveXObject) { - doc = new ActiveXObject('Microsoft.XMLDOM'); - doc.async = 'false'; - doc.loadXML(s); - } - else - doc = (new DOMParser()).parseFromString(s, 'text/xml'); - return (doc && doc.documentElement && doc.documentElement.tagName != 'parsererror') ? doc : null; - }; - }; -}; - -/** - * ajaxForm() provides a mechanism for fully automating form submission. - * - * The advantages of using this method instead of ajaxSubmit() are: - * - * 1: This method will include coordinates for <input type="image" /> elements (if the element - * is used to submit the form). - * 2. This method will include the submit element's name/value data (for the element that was - * used to submit the form). - * 3. This method binds the submit() method to the form for you. - * - * The options argument for ajaxForm works exactly as it does for ajaxSubmit. ajaxForm merely - * passes the options argument along after properly binding events for submit elements and - * the form itself. - */ -$.fn.ajaxForm = function(options) { - return this.ajaxFormUnbind().bind('submit.form-plugin', function() { - $(this).ajaxSubmit(options); - return false; - }).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'); -}; - -/** - * formToArray() gathers form element data into an array of objects that can - * be passed to any of the following ajax functions: $.get, $.post, or load. - * Each object in the array has both a 'name' and 'value' property. An example of - * an array for a simple login form might be: - * - * [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ] - * - * It is this array that is passed to pre-submit callback functions provided to the - * ajaxSubmit() and ajaxForm() methods. - */ -$.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; - for(var i=0, max=els.length; i < max; i++) { - var el = els[i]; - var 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; - } - - var v = $.fieldValue(el, true); - if (v && v.constructor == Array) { - for(var 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: $input.val()}); - a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); - } - } - return a; -}; - -/** - * Serializes form data into a 'submittable' string. This method will return a string - * in the format: name1=value1&name2=value2 - */ -$.fn.formSerialize = function(semantic) { - //hand off to jQuery.param for proper encoding - return $.param(this.formToArray(semantic)); -}; - -/** - * Serializes all field elements in the jQuery object into a query string. - * This method will return a string in the format: name1=value1&name2=value2 - */ -$.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); -}; - -/** - * Returns the value(s) of the element in the matched set. For example, consider the following form: - * - * <form><fieldset> - * <input name="A" type="text" /> - * <input name="A" type="text" /> - * <input name="B" type="checkbox" value="B1" /> - * <input name="B" type="checkbox" value="B2"/> - * <input name="C" type="radio" value="C1" /> - * <input name="C" type="radio" value="C2" /> - * </fieldset></form> - * - * var v = $(':text').fieldValue(); - * // if no values are entered into the text inputs - * v == ['',''] - * // if values entered into the text inputs are 'foo' and 'bar' - * v == ['foo','bar'] - * - * var v = $(':checkbox').fieldValue(); - * // if neither checkbox is checked - * v === undefined - * // if both checkboxes are checked - * v == ['B1', 'B2'] - * - * var v = $(':radio').fieldValue(); - * // if neither radio is checked - * v === undefined - * // if first radio is checked - * v == ['C1'] - * - * The successful argument controls whether or not the field element must be 'successful' - * (per http://www.w3.org/TR/html4/interact/forms.html#successful-controls). - * The default value of the successful argument is true. If this value is false the value(s) - * for each element is returned. - * - * Note: This method *always* returns an array. If no valid value can be determined the - * array will be empty, otherwise it will contain one or more values. - */ -$.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 ? $.merge(val, v) : val.push(v); - } - return val; -}; - -/** - * Returns the value of the field element. - */ -$.fieldValue = function(el, successful) { - var n = el.name, t = el.type, tag = el.tagName.toLowerCase(); - if (typeof 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.value; -}; - -/** - * Clears the form data. Takes the following actions on the form's input fields: - * - input text fields will have their 'value' property set to the empty string - * - select elements will have their 'selectedIndex' property set to -1 - * - checkbox and radio inputs will have their 'checked' property set to false - * - inputs of type submit, button, reset, and hidden will *not* be effected - * - button elements will *not* be effected - */ -$.fn.clearForm = function() { - return this.each(function() { - $('input,select,textarea', this).clearFields(); - }); -}; - -/** - * Clears the selected form elements. - */ -$.fn.clearFields = $.fn.clearInputs = function() { - return this.each(function() { - var t = this.type, tag = this.tagName.toLowerCase(); - if (t == 'text' || t == 'password' || tag == 'textarea') - this.value = ''; - else if (t == 'checkbox' || t == 'radio') - this.checked = false; - else if (tag == 'select') - this.selectedIndex = -1; - }); -}; - -/** - * Resets the form data. Causes all form elements to be reset to their original value. - */ -$.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(); - }); -}; - -/** - * Enables or disables any matching elements. - */ -$.fn.enable = function(b) { - if (b == undefined) b = true; - return this.each(function() { - this.disabled = !b; - }); -}; - -/** - * Checks/unchecks any matching checkboxes or radio buttons and - * selects/deselects and matching option elements. - */ -$.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 && window.console && window.console.log) - window.console.log('[jquery.form] ' + Array.prototype.join.call(arguments,'')); -}; - -})(jQuery); +/*
+ * jQuery Form Plugin
+ * version: 2.17 (06-NOV-2008)
+ * @requires jQuery v1.2.2 or later
+ *
+ * Examples and documentation at: http://malsup.com/jquery/form/
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * Revision: $Id$
+ */
+;(function($) {
+
+/*
+ Usage Note:
+ -----------
+ Do not use both ajaxSubmit and ajaxForm on the same form. These
+ functions are intended to be exclusive. Use ajaxSubmit if you want
+ to bind your own submit handler to the form. For example,
+
+ $(document).ready(function() {
+ $('#myForm').bind('submit', function() {
+ $(this).ajaxSubmit({
+ target: '#output'
+ });
+ return false; // <-- important!
+ });
+ });
+
+ Use ajaxForm when you want the plugin to manage all the event binding
+ for you. For example,
+
+ $(document).ready(function() {
+ $('#myForm').ajaxForm({
+ target: '#output'
+ });
+ });
+
+ When using ajaxForm, the ajaxSubmit function will be invoked for you
+ at the appropriate time.
+*/
+
+/**
+ * ajaxSubmit() provides a mechanism for immediately submitting
+ * an HTML form using AJAX.
+ */
+$.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 };
+
+ options = $.extend({
+ url: this.attr('action') || window.location.toString(),
+ type: this.attr('method') || 'GET'
+ }, 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 a = this.formToArray(options.semantic);
+ if (options.data) {
+ options.extraData = options.data;
+ for (var 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
+ a.push( { name: n, value: options.data[n] } );
+ }
+ }
+
+ // 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) {
+ $(options.target).html(data).each(oldSuccess, arguments);
+ });
+ }
+ else if (options.success)
+ callbacks.push(options.success);
+
+ options.success = function(data, status) {
+ for (var i=0, max=callbacks.length; i < max; i++)
+ callbacks[i].apply(options, [data, status, $form]);
+ };
+
+ // are there files to upload?
+ var files = $('input:file', this).fieldValue();
+ var found = false;
+ for (var j=0; j < files.length; j++)
+ if (files[j])
+ found = true;
+
+ // options.iframe allows user to force iframe mode
+ if (options.iframe || found) {
+ // hack to fix Safari hang (thanks to Tim Molendijk for this)
+ // see: http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
+ if ($.browser.safari && 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]', form).length) {
+ alert('Error: Form elements must not be named "submit".');
+ return;
+ }
+
+ var opts = $.extend({}, $.ajaxSettings, options);
+ var s = jQuery.extend(true, {}, $.extend(true, {}, $.ajaxSettings), opts);
+
+ var id = 'jqFormIO' + (new Date().getTime());
+ var $io = $('<iframe id="' + id + '" name="' + id + '" />');
+ var io = $io[0];
+
+ if ($.browser.msie || $.browser.opera)
+ io.src = 'javascript:false;document.write("");';
+ $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() {
+ this.aborted = 1;
+ $io.attr('src','about:blank'); // abort op in progress
+ }
+ };
+
+ var g = opts.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, opts]);
+
+ if (s.beforeSend && s.beforeSend(xhr, s) === false) {
+ s.global && jQuery.active--;
+ return;
+ }
+ if (xhr.aborted)
+ return;
+
+ var cbInvoked = 0;
+ var timedOut = 0;
+
+ // add submitting element to data if we know it
+ var sub = form.clk;
+ if (sub) {
+ var n = sub.name;
+ if (n && !sub.disabled) {
+ options.extraData = options.extraData || {};
+ options.extraData[n] = sub.value;
+ if (sub.type == "image") {
+ options.extraData[name+'.x'] = form.clk_x;
+ options.extraData[name+'.y'] = form.clk_y;
+ }
+ }
+ }
+
+ // take a breath so that pending repaints get some cpu time before the upload starts
+ setTimeout(function() {
+ // make sure form attrs are set
+ var t = $form.attr('target'), a = $form.attr('action');
+ $form.attr({
+ target: id,
+ method: 'POST',
+ action: opts.url
+ });
+
+ // ie borks in some cases when setting encoding
+ if (! options.skipEncodingOverride) {
+ $form.attr({
+ encoding: 'multipart/form-data',
+ enctype: 'multipart/form-data'
+ });
+ }
+
+ // support timout
+ if (opts.timeout)
+ setTimeout(function() { timedOut = true; cb(); }, opts.timeout);
+
+ // add "extra" data to form if provided in options
+ var extraInputs = [];
+ try {
+ if (options.extraData)
+ for (var n in options.extraData)
+ extraInputs.push(
+ $('<input type="hidden" name="'+n+'" value="'+options.extraData[n]+'" />')
+ .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.attr('action', a);
+ t ? $form.attr('target', t) : $form.removeAttr('target');
+ $(extraInputs).remove();
+ }
+ }, 10);
+
+ function cb() {
+ if (cbInvoked++) return;
+
+ io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false);
+
+ var operaHack = 0;
+ var ok = true;
+ try {
+ if (timedOut) throw 'timeout';
+ // extract the server response from the iframe
+ var data, doc;
+
+ doc = io.contentWindow ? io.contentWindow.document : io.contentDocument ? io.contentDocument : io.document;
+
+ if (doc.body == null && !operaHack && $.browser.opera) {
+ // In Opera 9.2.x the iframe DOM is not always traversable when
+ // the onload callback fires so we give Opera 100ms to right itself
+ operaHack = 1;
+ cbInvoked--;
+ setTimeout(cb, 100);
+ return;
+ }
+
+ xhr.responseText = doc.body ? doc.body.innerHTML : null;
+ xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
+ xhr.getResponseHeader = function(header){
+ var headers = {'content-type': opts.dataType};
+ return headers[header];
+ };
+
+ if (opts.dataType == 'json' || opts.dataType == 'script') {
+ var ta = doc.getElementsByTagName('textarea')[0];
+ xhr.responseText = ta ? ta.value : xhr.responseText;
+ }
+ else if (opts.dataType == 'xml' && !xhr.responseXML && xhr.responseText != null) {
+ xhr.responseXML = toXml(xhr.responseText);
+ }
+ data = $.httpData(xhr, opts.dataType);
+ }
+ catch(e){
+ ok = false;
+ $.handleError(opts, xhr, 'error', e);
+ }
+
+ // ordering of these callbacks/triggers is odd, but that's how $.ajax does it
+ if (ok) {
+ opts.success(data, 'success');
+ if (g) $.event.trigger("ajaxSuccess", [xhr, opts]);
+ }
+ if (g) $.event.trigger("ajaxComplete", [xhr, opts]);
+ if (g && ! --$.active) $.event.trigger("ajaxStop");
+ if (opts.complete) opts.complete(xhr, ok ? 'success' : 'error');
+
+ // clean up
+ setTimeout(function() {
+ $io.remove();
+ xhr.responseXML = null;
+ }, 100);
+ };
+
+ function toXml(s, doc) {
+ if (window.ActiveXObject) {
+ doc = new ActiveXObject('Microsoft.XMLDOM');
+ doc.async = 'false';
+ doc.loadXML(s);
+ }
+ else
+ doc = (new DOMParser()).parseFromString(s, 'text/xml');
+ return (doc && doc.documentElement && doc.documentElement.tagName != 'parsererror') ? doc : null;
+ };
+ };
+};
+
+/**
+ * ajaxForm() provides a mechanism for fully automating form submission.
+ *
+ * The advantages of using this method instead of ajaxSubmit() are:
+ *
+ * 1: This method will include coordinates for <input type="image" /> elements (if the element
+ * is used to submit the form).
+ * 2. This method will include the submit element's name/value data (for the element that was
+ * used to submit the form).
+ * 3. This method binds the submit() method to the form for you.
+ *
+ * The options argument for ajaxForm works exactly as it does for ajaxSubmit. ajaxForm merely
+ * passes the options argument along after properly binding events for submit elements and
+ * the form itself.
+ */
+$.fn.ajaxForm = function(options) {
+ return this.ajaxFormUnbind().bind('submit.form-plugin',function() {
+ $(this).ajaxSubmit(options);
+ return false;
+ }).each(function() {
+ // store options in hash
+ $(":submit,input:image", this).bind('click.form-plugin',function(e) {
+ var form = this.form;
+ form.clk = this;
+ if (this.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 = $(this).offset();
+ form.clk_x = e.pageX - offset.left;
+ form.clk_y = e.pageY - offset.top;
+ } else {
+ form.clk_x = e.pageX - this.offsetLeft;
+ form.clk_y = e.pageY - this.offsetTop;
+ }
+ }
+ // clear form vars
+ setTimeout(function() { form.clk = form.clk_x = form.clk_y = null; }, 10);
+ });
+ });
+};
+
+// ajaxFormUnbind unbinds the event handlers that were bound by ajaxForm
+$.fn.ajaxFormUnbind = function() {
+ this.unbind('submit.form-plugin');
+ return this.each(function() {
+ $(":submit,input:image", this).unbind('click.form-plugin');
+ });
+
+};
+
+/**
+ * formToArray() gathers form element data into an array of objects that can
+ * be passed to any of the following ajax functions: $.get, $.post, or load.
+ * Each object in the array has both a 'name' and 'value' property. An example of
+ * an array for a simple login form might be:
+ *
+ * [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ]
+ *
+ * It is this array that is passed to pre-submit callback functions provided to the
+ * ajaxSubmit() and ajaxForm() methods.
+ */
+$.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;
+ for(var i=0, max=els.length; i < max; i++) {
+ var el = els[i];
+ var 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+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
+ continue;
+ }
+
+ var v = $.fieldValue(el, true);
+ if (v && v.constructor == Array) {
+ for(var j=0, jmax=v.length; j < jmax; j++)
+ a.push({name: n, value: v[j]});
+ }
+ else if (v !== null && typeof v != 'undefined')
+ a.push({name: n, value: v});
+ }
+
+ if (!semantic && form.clk) {
+ // input type=='image' are not found in elements array! handle them here
+ var inputs = form.getElementsByTagName("input");
+ for(var i=0, max=inputs.length; i < max; i++) {
+ var input = inputs[i];
+ var n = input.name;
+ if(n && !input.disabled && input.type == "image" && form.clk == input)
+ a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y});
+ }
+ }
+ return a;
+};
+
+/**
+ * Serializes form data into a 'submittable' string. This method will return a string
+ * in the format: name1=value1&name2=value2
+ */
+$.fn.formSerialize = function(semantic) {
+ //hand off to jQuery.param for proper encoding
+ return $.param(this.formToArray(semantic));
+};
+
+/**
+ * Serializes all field elements in the jQuery object into a query string.
+ * This method will return a string in the format: name1=value1&name2=value2
+ */
+$.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);
+};
+
+/**
+ * Returns the value(s) of the element in the matched set. For example, consider the following form:
+ *
+ * <form><fieldset>
+ * <input name="A" type="text" />
+ * <input name="A" type="text" />
+ * <input name="B" type="checkbox" value="B1" />
+ * <input name="B" type="checkbox" value="B2"/>
+ * <input name="C" type="radio" value="C1" />
+ * <input name="C" type="radio" value="C2" />
+ * </fieldset></form>
+ *
+ * var v = $(':text').fieldValue();
+ * // if no values are entered into the text inputs
+ * v == ['','']
+ * // if values entered into the text inputs are 'foo' and 'bar'
+ * v == ['foo','bar']
+ *
+ * var v = $(':checkbox').fieldValue();
+ * // if neither checkbox is checked
+ * v === undefined
+ * // if both checkboxes are checked
+ * v == ['B1', 'B2']
+ *
+ * var v = $(':radio').fieldValue();
+ * // if neither radio is checked
+ * v === undefined
+ * // if first radio is checked
+ * v == ['C1']
+ *
+ * The successful argument controls whether or not the field element must be 'successful'
+ * (per http://www.w3.org/TR/html4/interact/forms.html#successful-controls).
+ * The default value of the successful argument is true. If this value is false the value(s)
+ * for each element is returned.
+ *
+ * Note: This method *always* returns an array. If no valid value can be determined the
+ * array will be empty, otherwise it will contain one or more values.
+ */
+$.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 ? $.merge(val, v) : val.push(v);
+ }
+ return val;
+};
+
+/**
+ * Returns the value of the field element.
+ */
+$.fieldValue = function(el, successful) {
+ var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
+ if (typeof 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) {
+ // extra pain for IE...
+ var v = $.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value;
+ if (one) return v;
+ a.push(v);
+ }
+ }
+ return a;
+ }
+ return el.value;
+};
+
+/**
+ * Clears the form data. Takes the following actions on the form's input fields:
+ * - input text fields will have their 'value' property set to the empty string
+ * - select elements will have their 'selectedIndex' property set to -1
+ * - checkbox and radio inputs will have their 'checked' property set to false
+ * - inputs of type submit, button, reset, and hidden will *not* be effected
+ * - button elements will *not* be effected
+ */
+$.fn.clearForm = function() {
+ return this.each(function() {
+ $('input,select,textarea', this).clearFields();
+ });
+};
+
+/**
+ * Clears the selected form elements.
+ */
+$.fn.clearFields = $.fn.clearInputs = function() {
+ return this.each(function() {
+ var t = this.type, tag = this.tagName.toLowerCase();
+ if (t == 'file' || t == 'text' || t == 'password' || tag == 'textarea')
+ this.value = '';
+ else if (t == 'checkbox' || t == 'radio')
+ this.checked = false;
+ else if (tag == 'select')
+ this.selectedIndex = -1;
+ });
+};
+
+/**
+ * Resets the form data. Causes all form elements to be reset to their original value.
+ */
+$.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();
+ });
+};
+
+/**
+ * Enables or disables any matching elements.
+ */
+$.fn.enable = function(b) {
+ if (b == undefined) b = true;
+ return this.each(function() {
+ this.disabled = !b
+ });
+};
+
+/**
+ * Checks/unchecks any matching checkboxes or radio buttons and
+ * selects/deselects and matching option elements.
+ */
+$.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 && window.console && window.console.log)
+ window.console.log('[jquery.form] ' + Array.prototype.join.call(arguments,''));
+};
+
+})(jQuery);
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