ref: master
public/javascripts/vendor/jquery-validation/lib/jquery.form.js
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 |
/* * 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); |