resources/jquery/jquery.validate.js

   1 /**
   2  * jQuery Validation Plugin 1.8.1
   3  *
   4  * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
   5  * http://docs.jquery.com/Plugins/Validation
   6  *
   7  * Copyright (c) 2006 - 2011 Jörn Zaefferer
   8  *
   9  * Dual licensed under the MIT and GPL licenses:
  10  *   http://www.opensource.org/licenses/mit-license.php
  11  *   http://www.gnu.org/licenses/gpl.html
  12  */
  13
  14 (function($) {
  15
  16 $.extend($.fn, {
  17         // http://docs.jquery.com/Plugins/Validation/validate
  18         validate: function( options ) {
  19
  20                 // if nothing is selected, return nothing; can't chain anyway
  21                 if (!this.length) {
  22                         options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
  23                         return;
  24                 }
  25
  26                 // check if a validator for this form was already created
  27                 var validator = $.data(this[0], 'validator');
  28                 if ( validator ) {
  29                         return validator;
  30                 }
  31
  32                 validator = new $.validator( options, this[0] );
  33                 $.data(this[0], 'validator', validator);
  34
  35                 if ( validator.settings.onsubmit ) {
  36
  37                         // allow suppresing validation by adding a cancel class to the submit button
  38                         this.find("input, button").filter(".cancel").click(function() {
  39                                 validator.cancelSubmit = true;
  40                         });
  41
  42                         // when a submitHandler is used, capture the submitting button
  43                         if (validator.settings.submitHandler) {
  44                                 this.find("input, button").filter(":submit").click(function() {
  45                                         validator.submitButton = this;
  46                                 });
  47                         }
  48
  49                         // validate the form on submit
  50                         this.submit( function( event ) {
  51                                 if ( validator.settings.debug )
  52                                         // prevent form submit to be able to see console output
  53                                         event.preventDefault();
  54
  55                                 function handle() {
  56                                         if ( validator.settings.submitHandler ) {
  57                                                 if (validator.submitButton) {
  58                                                         // insert a hidden input as a replacement for the missing submit button
  59                                                         var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
  60                                                 }
  61                                                 validator.settings.submitHandler.call( validator, validator.currentForm );
  62                                                 if (validator.submitButton) {
  63                                                         // and clean up afterwards; thanks to no-block-scope, hidden can be referenced
  64                                                         hidden.remove();
  65                                                 }
  66                                                 return false;
  67                                         }
  68                                         return true;
  69                                 }
  70
  71                                 // prevent submit for invalid forms or custom submit handlers
  72                                 if ( validator.cancelSubmit ) {
  73                                         validator.cancelSubmit = false;
  74                                         return handle();
  75                                 }
  76                                 if ( validator.form() ) {
  77                                         if ( validator.pendingRequest ) {
  78                                                 validator.formSubmitted = true;
  79                                                 return false;
  80                                         }
  81                                         return handle();
  82                                 } else {
  83                                         validator.focusInvalid();
  84                                         return false;
  85                                 }
  86                         });
  87                 }
  88
  89                 return validator;
  90         },
  91         // http://docs.jquery.com/Plugins/Validation/valid
  92         valid: function() {
  93         if ( $(this[0]).is('form')) {
  94             return this.validate().form();
  95         } else {
  96             var valid = true;
  97             var validator = $(this[0].form).validate();
  98             this.each(function() {
  99                                 valid &= validator.element(this);
 100             });
 101             return valid;
 102         }
 103     },
 104         // attributes: space seperated list of attributes to retrieve and remove
 105         removeAttrs: function(attributes) {
 106                 var result = {},
 107                         $element = this;
 108                 $.each(attributes.split(/\s/), function(index, value) {
 109                         result[value] = $element.attr(value);
 110                         $element.removeAttr(value);
 111                 });
 112                 return result;
 113         },
 114         // http://docs.jquery.com/Plugins/Validation/rules
 115         rules: function(command, argument) {
 116                 var element = this[0];
 117
 118                 if (command) {
 119                         var settings = $.data(element.form, 'validator').settings;
 120                         var staticRules = settings.rules;
 121                         var existingRules = $.validator.staticRules(element);
 122                         switch(command) {
 123                         case "add":
 124                                 $.extend(existingRules, $.validator.normalizeRule(argument));
 125                                 staticRules[element.name] = existingRules;
 126                                 if (argument.messages)
 127                                         settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
 128                                 break;
 129                         case "remove":
 130                                 if (!argument) {
 131                                         delete staticRules[element.name];
 132                                         return existingRules;
 133                                 }
 134                                 var filtered = {};
 135                                 $.each(argument.split(/\s/), function(index, method) {
 136                                         filtered[method] = existingRules[method];
 137                                         delete existingRules[method];
 138                                 });
 139                                 return filtered;
 140                         }
 141                 }
 142
 143                 var data = $.validator.normalizeRules(
 144                 $.extend(
 145                         {},
 146                         $.validator.metadataRules(element),
 147                         $.validator.classRules(element),
 148                         $.validator.attributeRules(element),
 149                         $.validator.staticRules(element)
 150                 ), element);
 151
 152                 // make sure required is at front
 153                 if (data.required) {
 154                         var param = data.required;
 155                         delete data.required;
 156                         data = $.extend({required: param}, data);
 157                 }
 158
 159                 return data;
 160         }
 161 });
 162
 163 // Custom selectors
 164 $.extend($.expr[":"], {
 165         // http://docs.jquery.com/Plugins/Validation/blank
 166         blank: function(a) {return !$.trim("" + a.value);},
 167         // http://docs.jquery.com/Plugins/Validation/filled
 168         filled: function(a) {return !!$.trim("" + a.value);},
 169         // http://docs.jquery.com/Plugins/Validation/unchecked
 170         unchecked: function(a) {return !a.checked;}
 171 });
 172
 173 // constructor for validator
 174 $.validator = function( options, form ) {
 175         this.settings = $.extend( true, {}, $.validator.defaults, options );
 176         this.currentForm = form;
 177         this.init();
 178 };
 179
 180 $.validator.format = function(source, params) {
 181         if ( arguments.length == 1 )
 182                 return function() {
 183                         var args = $.makeArray(arguments);
 184                         args.unshift(source);
 185                         return $.validator.format.apply( this, args );
 186                 };
 187         if ( arguments.length > 2 && params.constructor != Array  ) {
 188                 params = $.makeArray(arguments).slice(1);
 189         }
 190         if ( params.constructor != Array ) {
 191                 params = [ params ];
 192         }
 193         $.each(params, function(i, n) {
 194                 source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
 195         });
 196         return source;
 197 };
 198
 199 $.extend($.validator, {
 200
 201         defaults: {
 202                 messages: {},
 203                 groups: {},
 204                 rules: {},
 205                 errorClass: "error",
 206                 validClass: "valid",
 207                 errorElement: "label",
 208                 focusInvalid: true,
 209                 errorContainer: $( [] ),
 210                 errorLabelContainer: $( [] ),
 211                 onsubmit: true,
 212                 ignore: [],
 213                 ignoreTitle: false,
 214                 onfocusin: function(element) {
 215                         this.lastActive = element;
 216
 217                         // hide error label and remove error class on focus if enabled
 218                         if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
 219                                 this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
 220                                 this.addWrapper(this.errorsFor(element)).hide();
 221                         }
 222                 },
 223                 onfocusout: function(element) {
 224                         if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
 225                                 this.element(element);
 226                         }
 227                 },
 228                 onkeyup: function(element) {
 229                         if ( element.name in this.submitted || element == this.lastElement ) {
 230                                 this.element(element);
 231                         }
 232                 },
 233                 onclick: function(element) {
 234                         // click on selects, radiobuttons and checkboxes
 235                         if ( element.name in this.submitted )
 236                                 this.element(element);
 237                         // or option elements, check parent select in that case
 238                         else if (element.parentNode.name in this.submitted)
 239                                 this.element(element.parentNode);
 240                 },
 241                 highlight: function(element, errorClass, validClass) {
 242                         if (element.type === 'radio') {
 243                                 this.findByName(element.name).addClass(errorClass).removeClass(validClass);
 244                         } else {
 245                                 $(element).addClass(errorClass).removeClass(validClass);
 246                         }
 247                 },
 248                 unhighlight: function(element, errorClass, validClass) {
 249                         if (element.type === 'radio') {
 250                                 this.findByName(element.name).removeClass(errorClass).addClass(validClass);
 251                         } else {
 252                                 $(element).removeClass(errorClass).addClass(validClass);
 253                         }
 254                 }
 255         },
 256
 257         // http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
 258         setDefaults: function(settings) {
 259                 $.extend( $.validator.defaults, settings );
 260         },
 261
 262         messages: {
 263                 required: "This field is required.",
 264                 remote: "Please fix this field.",
 265                 email: "Please enter a valid email address.",
 266                 url: "Please enter a valid URL.",
 267                 date: "Please enter a valid date.",
 268                 dateISO: "Please enter a valid date (ISO).",
 269                 number: "Please enter a valid number.",
 270                 digits: "Please enter only digits.",
 271                 creditcard: "Please enter a valid credit card number.",
 272                 equalTo: "Please enter the same value again.",
 273                 accept: "Please enter a value with a valid extension.",
 274                 maxlength: $.validator.format("Please enter no more than {0} characters."),
 275                 minlength: $.validator.format("Please enter at least {0} characters."),
 276                 rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
 277                 range: $.validator.format("Please enter a value between {0} and {1}."),
 278                 max: $.validator.format("Please enter a value less than or equal to {0}."),
 279                 min: $.validator.format("Please enter a value greater than or equal to {0}.")
 280         },
 281
 282         autoCreateRanges: false,
 283
 284         prototype: {
 285
 286                 init: function() {
 287                         this.labelContainer = $(this.settings.errorLabelContainer);
 288                         this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
 289                         this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
 290                         this.submitted = {};
 291                         this.valueCache = {};
 292                         this.pendingRequest = 0;
 293                         this.pending = {};
 294                         this.invalid = {};
 295                         this.reset();
 296
 297                         var groups = (this.groups = {});
 298                         $.each(this.settings.groups, function(key, value) {
 299                                 $.each(value.split(/\s/), function(index, name) {
 300                                         groups[name] = key;
 301                                 });
 302                         });
 303                         var rules = this.settings.rules;
 304                         $.each(rules, function(key, value) {
 305                                 rules[key] = $.validator.normalizeRule(value);
 306                         });
 307
 308                         function delegate(event) {
 309                                 var validator = $.data(this[0].form, "validator"),
 310                                         eventType = "on" + event.type.replace(/^validate/, "");
 311                                 validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );
 312                         }
 313                         $(this.currentForm)
 314                                 .validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)
 315                                 .validateDelegate(":radio, :checkbox, select, option", "click", delegate);
 316
 317                         if (this.settings.invalidHandler)
 318                                 $(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
 319                 },
 320
 321                 // http://docs.jquery.com/Plugins/Validation/Validator/form
 322                 form: function() {
 323                         this.checkForm();
 324                         $.extend(this.submitted, this.errorMap);
 325                         this.invalid = $.extend({}, this.errorMap);
 326                         if (!this.valid())
 327                                 $(this.currentForm).triggerHandler("invalid-form", [this]);
 328                         this.showErrors();
 329                         return this.valid();
 330                 },
 331
 332                 checkForm: function() {
 333                         this.prepareForm();
 334                         for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
 335                                 this.check( elements[i] );
 336                         }
 337                         return this.valid();
 338                 },
 339
 340                 // http://docs.jquery.com/Plugins/Validation/Validator/element
 341                 element: function( element ) {
 342                         element = this.clean( element );
 343                         this.lastElement = element;
 344                         this.prepareElement( element );
 345                         this.currentElements = $(element);
 346                         var result = this.check( element );
 347                         if ( result ) {
 348                                 delete this.invalid[element.name];
 349                         } else {
 350                                 this.invalid[element.name] = true;
 351                         }
 352                         if ( !this.numberOfInvalids() ) {
 353                                 // Hide error containers on last error
 354                                 this.toHide = this.toHide.add( this.containers );
 355                         }
 356                         this.showErrors();
 357                         return result;
 358                 },
 359
 360                 // http://docs.jquery.com/Plugins/Validation/Validator/showErrors
 361                 showErrors: function(errors) {
 362                         if(errors) {
 363                                 // add items to error list and map
 364                                 $.extend( this.errorMap, errors );
 365                                 this.errorList = [];
 366                                 for ( var name in errors ) {
 367                                         this.errorList.push({
 368                                                 message: errors[name],
 369                                                 element: this.findByName(name)[0]
 370                                         });
 371                                 }
 372                                 // remove items from success list
 373                                 this.successList = $.grep( this.successList, function(element) {
 374                                         return !(element.name in errors);
 375                                 });
 376                         }
 377                         this.settings.showErrors
 378                                 ? this.settings.showErrors.call( this, this.errorMap, this.errorList )
 379                                 : this.defaultShowErrors();
 380                 },
 381
 382                 // http://docs.jquery.com/Plugins/Validation/Validator/resetForm
 383                 resetForm: function() {
 384                         if ( $.fn.resetForm )
 385                                 $( this.currentForm ).resetForm();
 386                         this.submitted = {};
 387                         this.prepareForm();
 388                         this.hideErrors();
 389                         this.elements().removeClass( this.settings.errorClass );
 390                 },
 391
 392                 numberOfInvalids: function() {
 393                         return this.objectLength(this.invalid);
 394                 },
 395
 396                 objectLength: function( obj ) {
 397                         var count = 0;
 398                         for ( var i in obj )
 399                                 count++;
 400                         return count;
 401                 },
 402
 403                 hideErrors: function() {
 404                         this.addWrapper( this.toHide ).hide();
 405                 },
 406
 407                 valid: function() {
 408                         return this.size() == 0;
 409                 },
 410
 411                 size: function() {
 412                         return this.errorList.length;
 413                 },
 414
 415                 focusInvalid: function() {
 416                         if( this.settings.focusInvalid ) {
 417                                 try {
 418                                         $(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
 419                                         .filter(":visible")
 420                                         .focus()
 421                                         // manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
 422                                         .trigger("focusin");
 423                                 } catch(e) {
 424                                         // ignore IE throwing errors when focusing hidden elements
 425                                 }
 426                         }
 427                 },
 428
 429                 findLastActive: function() {
 430                         var lastActive = this.lastActive;
 431                         return lastActive && $.grep(this.errorList, function(n) {
 432                                 return n.element.name == lastActive.name;
 433                         }).length == 1 && lastActive;
 434                 },
 435
 436                 elements: function() {
 437                         var validator = this,
 438                                 rulesCache = {};
 439
 440                         // select all valid inputs inside the form (no submit or reset buttons)
 441                         return $(this.currentForm)
 442                         .find("input, select, textarea")
 443                         .not(":submit, :reset, :image, [disabled]")
 444                         .not( this.settings.ignore )
 445                         .filter(function() {
 446                                 !this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
 447
 448                                 // select only the first element for each name, and only those with rules specified
 449                                 if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
 450                                         return false;
 451
 452                                 rulesCache[this.name] = true;
 453                                 return true;
 454                         });
 455                 },
 456
 457                 clean: function( selector ) {
 458                         return $( selector )[0];
 459                 },
 460
 461                 errors: function() {
 462                         return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
 463                 },
 464
 465                 reset: function() {
 466                         this.successList = [];
 467                         this.errorList = [];
 468                         this.errorMap = {};
 469                         this.toShow = $([]);
 470                         this.toHide = $([]);
 471                         this.currentElements = $([]);
 472                 },
 473
 474                 prepareForm: function() {
 475                         this.reset();
 476                         this.toHide = this.errors().add( this.containers );
 477                 },
 478
 479                 prepareElement: function( element ) {
 480                         this.reset();
 481                         this.toHide = this.errorsFor(element);
 482                 },
 483
 484                 check: function( element ) {
 485                         element = this.clean( element );
 486
 487                         // if radio/checkbox, validate first element in group instead
 488                         if (this.checkable(element)) {
 489                                 element = this.findByName( element.name ).not(this.settings.ignore)[0];
 490                         }
 491
 492                         var rules = $(element).rules();
 493                         var dependencyMismatch = false;
 494                         for (var method in rules ) {
 495                                 var rule = { method: method, parameters: rules[method] };
 496                                 try {
 497                                         var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );
 498
 499                                         // if a method indicates that the field is optional and therefore valid,
 500                                         // don't mark it as valid when there are no other rules
 501                                         if ( result == "dependency-mismatch" ) {
 502                                                 dependencyMismatch = true;
 503                                                 continue;
 504                                         }
 505                                         dependencyMismatch = false;
 506
 507                                         if ( result == "pending" ) {
 508                                                 this.toHide = this.toHide.not( this.errorsFor(element) );
 509                                                 return;
 510                                         }
 511
 512                                         if( !result ) {
 513                                                 this.formatAndAdd( element, rule );
 514                                                 return false;
 515                                         }
 516                                 } catch(e) {
 517                                         this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
 518                                                  + ", check the '" + rule.method + "' method", e);
 519                                         throw e;
 520                                 }
 521                         }
 522                         if (dependencyMismatch)
 523                                 return;
 524                         if ( this.objectLength(rules) )
 525                                 this.successList.push(element);
 526                         return true;
 527                 },
 528
 529                 // return the custom message for the given element and validation method
 530                 // specified in the element's "messages" metadata
 531                 customMetaMessage: function(element, method) {
 532                         if (!$.metadata)
 533                                 return;
 534
 535                         var meta = this.settings.meta
 536                                 ? $(element).metadata()[this.settings.meta]
 537                                 : $(element).metadata();
 538
 539                         return meta && meta.messages && meta.messages[method];
 540                 },
 541
 542                 // return the custom message for the given element name and validation method
 543                 customMessage: function( name, method ) {
 544                         var m = this.settings.messages[name];
 545                         return m && (m.constructor == String
 546                                 ? m
 547                                 : m[method]);
 548                 },
 549
 550                 // return the first defined argument, allowing empty strings
 551                 findDefined: function() {
 552                         for(var i = 0; i < arguments.length; i++) {
 553                                 if (arguments[i] !== undefined)
 554                                         return arguments[i];
 555                         }
 556                         return undefined;
 557                 },
 558
 559                 defaultMessage: function( element, method) {
 560                         return this.findDefined(
 561                                 this.customMessage( element.name, method ),
 562                                 this.customMetaMessage( element, method ),
 563                                 // title is never undefined, so handle empty string as undefined
 564                                 !this.settings.ignoreTitle && element.title || undefined,
 565                                 $.validator.messages[method],
 566                                 "<strong>Warning: No message defined for " + element.name + "</strong>"
 567                         );
 568                 },
 569
 570                 formatAndAdd: function( element, rule ) {
 571                         var message = this.defaultMessage( element, rule.method ),
 572                                 theregex = /\$?\{(\d+)\}/g;
 573                         if ( typeof message == "function" ) {
 574                                 message = message.call(this, rule.parameters, element);
 575                         } else if (theregex.test(message)) {
 576                                 message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
 577                         }
 578                         this.errorList.push({
 579                                 message: message,
 580                                 element: element
 581                         });
 582
 583                         this.errorMap[element.name] = message;
 584                         this.submitted[element.name] = message;
 585                 },
 586
 587                 addWrapper: function(toToggle) {
 588                         if ( this.settings.wrapper )
 589                                 toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
 590                         return toToggle;
 591                 },
 592
 593                 defaultShowErrors: function() {
 594                         for ( var i = 0; this.errorList[i]; i++ ) {
 595                                 var error = this.errorList[i];
 596                                 this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
 597                                 this.showLabel( error.element, error.message );
 598                         }
 599                         if( this.errorList.length ) {
 600                                 this.toShow = this.toShow.add( this.containers );
 601                         }
 602                         if (this.settings.success) {
 603                                 for ( var i = 0; this.successList[i]; i++ ) {
 604                                         this.showLabel( this.successList[i] );
 605                                 }
 606                         }
 607                         if (this.settings.unhighlight) {
 608                                 for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
 609                                         this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
 610                                 }
 611                         }
 612                         this.toHide = this.toHide.not( this.toShow );
 613                         this.hideErrors();
 614                         this.addWrapper( this.toShow ).show();
 615                 },
 616
 617                 validElements: function() {
 618                         return this.currentElements.not(this.invalidElements());
 619                 },
 620
 621                 invalidElements: function() {
 622                         return $(this.errorList).map(function() {
 623                                 return this.element;
 624                         });
 625                 },
 626
 627                 showLabel: function(element, message) {
 628                         var label = this.errorsFor( element );
 629                         if ( label.length ) {
 630                                 // refresh error/success class
 631                                 label.removeClass().addClass( this.settings.errorClass );
 632
 633                                 // check if we have a generated label, replace the message then
 634                                 label.attr("generated") && label.html(message);
 635                         } else {
 636                                 // create label
 637                                 label = $("<" + this.settings.errorElement + "/>")
 638                                         .attr({"for":  this.idOrName(element), generated: true})
 639                                         .addClass(this.settings.errorClass)
 640                                         .html(message || "");
 641                                 if ( this.settings.wrapper ) {
 642                                         // make sure the element is visible, even in IE
 643                                         // actually showing the wrapped element is handled elsewhere
 644                                         label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
 645                                 }
 646                                 if ( !this.labelContainer.append(label).length )
 647                                         this.settings.errorPlacement
 648                                                 ? this.settings.errorPlacement(label, $(element) )
 649                                                 : label.insertAfter(element);
 650                         }
 651                         if ( !message && this.settings.success ) {
 652                                 label.text("");
 653                                 typeof this.settings.success == "string"
 654                                         ? label.addClass( this.settings.success )
 655                                         : this.settings.success( label );
 656                         }
 657                         this.toShow = this.toShow.add(label);
 658                 },
 659
 660                 errorsFor: function(element) {
 661                         var name = this.idOrName(element);
 662                 return this.errors().filter(function() {
 663                                 return $(this).attr('for') == name;
 664                         });
 665                 },
 666
 667                 idOrName: function(element) {
 668                         return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
 669                 },
 670
 671                 checkable: function( element ) {
 672                         return /radio|checkbox/i.test(element.type);
 673                 },
 674
 675                 findByName: function( name ) {
 676                         // select by name and filter by form for performance over form.find("[name=...]")
 677                         var form = this.currentForm;
 678                         return $(document.getElementsByName(name)).map(function(index, element) {
 679                                 return element.form == form && element.name == name && element  || null;
 680                         });
 681                 },
 682
 683                 getLength: function(value, element) {
 684                         switch( element.nodeName.toLowerCase() ) {
 685                         case 'select':
 686                                 return $("option:selected", element).length;
 687                         case 'input':
 688                                 if( this.checkable( element) )
 689                                         return this.findByName(element.name).filter(':checked').length;
 690                         }
 691                         return value.length;
 692                 },
 693
 694                 depend: function(param, element) {
 695                         return this.dependTypes[typeof param]
 696                                 ? this.dependTypes[typeof param](param, element)
 697                                 : true;
 698                 },
 699
 700                 dependTypes: {
 701                         "boolean": function(param, element) {
 702                                 return param;
 703                         },
 704                         "string": function(param, element) {
 705                                 return !!$(param, element.form).length;
 706                         },
 707                         "function": function(param, element) {
 708                                 return param(element);
 709                         }
 710                 },
 711
 712                 optional: function(element) {
 713                         return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
 714                 },
 715
 716                 startRequest: function(element) {
 717                         if (!this.pending[element.name]) {
 718                                 this.pendingRequest++;
 719                                 this.pending[element.name] = true;
 720                         }
 721                 },
 722
 723                 stopRequest: function(element, valid) {
 724                         this.pendingRequest--;
 725                         // sometimes synchronization fails, make sure pendingRequest is never < 0
 726                         if (this.pendingRequest < 0)
 727                                 this.pendingRequest = 0;
 728                         delete this.pending[element.name];
 729                         if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
 730                                 $(this.currentForm).submit();
 731                                 this.formSubmitted = false;
 732                         } else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
 733                                 $(this.currentForm).triggerHandler("invalid-form", [this]);
 734                                 this.formSubmitted = false;
 735                         }
 736                 },
 737
 738                 previousValue: function(element) {
 739                         return $.data(element, "previousValue") || $.data(element, "previousValue", {
 740                                 old: null,
 741                                 valid: true,
 742                                 message: this.defaultMessage( element, "remote" )
 743                         });
 744                 }
 745
 746         },
 747
 748         classRuleSettings: {
 749                 required: {required: true},
 750                 email: {email: true},
 751                 url: {url: true},
 752                 date: {date: true},
 753                 dateISO: {dateISO: true},
 754                 dateDE: {dateDE: true},
 755                 number: {number: true},
 756                 numberDE: {numberDE: true},
 757                 digits: {digits: true},
 758                 creditcard: {creditcard: true}
 759         },
 760
 761         addClassRules: function(className, rules) {
 762                 className.constructor == String ?
 763                         this.classRuleSettings[className] = rules :
 764                         $.extend(this.classRuleSettings, className);
 765         },
 766
 767         classRules: function(element) {
 768                 var rules = {};
 769                 var classes = $(element).attr('class');
 770                 classes && $.each(classes.split(' '), function() {
 771                         if (this in $.validator.classRuleSettings) {
 772                                 $.extend(rules, $.validator.classRuleSettings[this]);
 773                         }
 774                 });
 775                 return rules;
 776         },
 777
 778         attributeRules: function(element) {
 779                 var rules = {};
 780                 var $element = $(element);
 781
 782                 for (var method in $.validator.methods) {
 783                         var value = $element.attr(method);
 784                         if (value) {
 785                                 rules[method] = value;
 786                         }
 787                 }
 788
 789                 // maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
 790                 if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
 791                         delete rules.maxlength;
 792                 }
 793
 794                 return rules;
 795         },
 796
 797         metadataRules: function(element) {
 798                 if (!$.metadata) return {};
 799
 800                 var meta = $.data(element.form, 'validator').settings.meta;
 801                 return meta ?
 802                         $(element).metadata()[meta] :
 803                         $(element).metadata();
 804         },
 805
 806         staticRules: function(element) {
 807                 var rules = {};
 808                 var validator = $.data(element.form, 'validator');
 809                 if (validator.settings.rules) {
 810                         rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
 811                 }
 812                 return rules;
 813         },
 814
 815         normalizeRules: function(rules, element) {
 816                 // handle dependency check
 817                 $.each(rules, function(prop, val) {
 818                         // ignore rule when param is explicitly false, eg. required:false
 819                         if (val === false) {
 820                                 delete rules[prop];
 821                                 return;
 822                         }
 823                         if (val.param || val.depends) {
 824                                 var keepRule = true;
 825                                 switch (typeof val.depends) {
 826                                         case "string":
 827                                                 keepRule = !!$(val.depends, element.form).length;
 828                                                 break;
 829                                         case "function":
 830                                                 keepRule = val.depends.call(element, element);
 831                                                 break;
 832                                 }
 833                                 if (keepRule) {
 834                                         rules[prop] = val.param !== undefined ? val.param : true;
 835                                 } else {
 836                                         delete rules[prop];
 837                                 }
 838                         }
 839                 });
 840
 841                 // evaluate parameters
 842                 $.each(rules, function(rule, parameter) {
 843                         rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
 844                 });
 845
 846                 // clean number parameters
 847                 $.each(['minlength', 'maxlength', 'min', 'max'], function() {
 848                         if (rules[this]) {
 849                                 rules[this] = Number(rules[this]);
 850                         }
 851                 });
 852                 $.each(['rangelength', 'range'], function() {
 853                         if (rules[this]) {
 854                                 rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
 855                         }
 856                 });
 857
 858                 if ($.validator.autoCreateRanges) {
 859                         // auto-create ranges
 860                         if (rules.min && rules.max) {
 861                                 rules.range = [rules.min, rules.max];
 862                                 delete rules.min;
 863                                 delete rules.max;
 864                         }
 865                         if (rules.minlength && rules.maxlength) {
 866                                 rules.rangelength = [rules.minlength, rules.maxlength];
 867                                 delete rules.minlength;
 868                                 delete rules.maxlength;
 869                         }
 870                 }
 871
 872                 // To support custom messages in metadata ignore rule methods titled "messages"
 873                 if (rules.messages) {
 874                         delete rules.messages;
 875                 }
 876
 877                 return rules;
 878         },
 879
 880         // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
 881         normalizeRule: function(data) {
 882                 if( typeof data == "string" ) {
 883                         var transformed = {};
 884                         $.each(data.split(/\s/), function() {
 885                                 transformed[this] = true;
 886                         });
 887                         data = transformed;
 888                 }
 889                 return data;
 890         },
 891
 892         // http://docs.jquery.com/Plugins/Validation/Validator/addMethod
 893         addMethod: function(name, method, message) {
 894                 $.validator.methods[name] = method;
 895                 $.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
 896                 if (method.length < 3) {
 897                         $.validator.addClassRules(name, $.validator.normalizeRule(name));
 898                 }
 899         },
 900
 901         methods: {
 902
 903                 // http://docs.jquery.com/Plugins/Validation/Methods/required
 904                 required: function(value, element, param) {
 905                         // check if dependency is met
 906                         if ( !this.depend(param, element) )
 907                                 return "dependency-mismatch";
 908                         switch( element.nodeName.toLowerCase() ) {
 909                         case 'select':
 910                                 // could be an array for select-multiple or a string, both are fine this way
 911                                 var val = $(element).val();
 912                                 return val && val.length > 0;
 913                         case 'input':
 914                                 if ( this.checkable(element) )
 915                                         return this.getLength(value, element) > 0;
 916                         default:
 917                                 return $.trim(value).length > 0;
 918                         }
 919                 },
 920
 921                 // http://docs.jquery.com/Plugins/Validation/Methods/remote
 922                 remote: function(value, element, param) {
 923                         if ( this.optional(element) )
 924                                 return "dependency-mismatch";
 925
 926                         var previous = this.previousValue(element);
 927                         if (!this.settings.messages[element.name] )
 928                                 this.settings.messages[element.name] = {};
 929                         previous.originalMessage = this.settings.messages[element.name].remote;
 930                         this.settings.messages[element.name].remote = previous.message;
 931
 932                         param = typeof param == "string" && {url:param} || param;
 933
 934                         if ( this.pending[element.name] ) {
 935                                 return "pending";
 936                         }
 937                         if ( previous.old === value ) {
 938                                 return previous.valid;
 939                         }
 940
 941                         previous.old = value;
 942                         var validator = this;
 943                         this.startRequest(element);
 944                         var data = {};
 945                         data[element.name] = value;
 946                         $.ajax($.extend(true, {
 947                                 url: param,
 948                                 mode: "abort",
 949                                 port: "validate" + element.name,
 950                                 dataType: "json",
 951                                 data: data,
 952                                 success: function(response) {
 953                                         validator.settings.messages[element.name].remote = previous.originalMessage;
 954                                         var valid = response === true;
 955                                         if ( valid ) {
 956                                                 var submitted = validator.formSubmitted;
 957                                                 validator.prepareElement(element);
 958                                                 validator.formSubmitted = submitted;
 959                                                 validator.successList.push(element);
 960                                                 validator.showErrors();
 961                                         } else {
 962                                                 var errors = {};
 963                                                 var message = response || validator.defaultMessage( element, "remote" );
 964                                                 errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;
 965                                                 validator.showErrors(errors);
 966                                         }
 967                                         previous.valid = valid;
 968                                         validator.stopRequest(element, valid);
 969                                 }
 970                         }, param));
 971                         return "pending";
 972                 },
 973
 974                 // http://docs.jquery.com/Plugins/Validation/Methods/minlength
 975                 minlength: function(value, element, param) {
 976                         return this.optional(element) || this.getLength($.trim(value), element) >= param;
 977                 },
 978
 979                 // http://docs.jquery.com/Plugins/Validation/Methods/maxlength
 980                 maxlength: function(value, element, param) {
 981                         return this.optional(element) || this.getLength($.trim(value), element) <= param;
 982                 },
 983
 984                 // http://docs.jquery.com/Plugins/Validation/Methods/rangelength
 985                 rangelength: function(value, element, param) {
 986                         var length = this.getLength($.trim(value), element);
 987                         return this.optional(element) || ( length >= param[0] && length <= param[1] );
 988                 },
 989
 990                 // http://docs.jquery.com/Plugins/Validation/Methods/min
 991                 min: function( value, element, param ) {
 992                         return this.optional(element) || value >= param;
 993                 },
 994
 995                 // http://docs.jquery.com/Plugins/Validation/Methods/max
 996                 max: function( value, element, param ) {
 997                         return this.optional(element) || value <= param;
 998                 },
 999
1000                 // http://docs.jquery.com/Plugins/Validation/Methods/range
1001                 range: function( value, element, param ) {
1002                         return this.optional(element) || ( value >= param[0] && value <= param[1] );
1003                 },
1004
1005                 // http://docs.jquery.com/Plugins/Validation/Methods/email
1006                 email: function(value, element) {
1007                         // contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
1008                         return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);
1009                 },
1010
1011                 // http://docs.jquery.com/Plugins/Validation/Methods/url
1012                 url: function(value, element) {
1013                         // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
1014                         return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
1015                 },
1016
1017                 // http://docs.jquery.com/Plugins/Validation/Methods/date
1018                 date: function(value, element) {
1019                         return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
1020                 },
1021
1022                 // http://docs.jquery.com/Plugins/Validation/Methods/dateISO
1023                 dateISO: function(value, element) {
1024                         return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
1025                 },
1026
1027                 // http://docs.jquery.com/Plugins/Validation/Methods/number
1028                 number: function(value, element) {
1029                         return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
1030                 },
1031
1032                 // http://docs.jquery.com/Plugins/Validation/Methods/digits
1033                 digits: function(value, element) {
1034                         return this.optional(element) || /^\d+$/.test(value);
1035                 },
1036
1037                 // http://docs.jquery.com/Plugins/Validation/Methods/creditcard
1038                 // based on http://en.wikipedia.org/wiki/Luhn
1039                 creditcard: function(value, element) {
1040                         if ( this.optional(element) )
1041                                 return "dependency-mismatch";
1042                         // accept only digits and dashes
1043                         if (/[^0-9-]+/.test(value))
1044                                 return false;
1045                         var nCheck = 0,
1046                                 nDigit = 0,
1047                                 bEven = false;
1048
1049                         value = value.replace(/\D/g, "");
1050
1051                         for (var n = value.length - 1; n >= 0; n--) {
1052                                 var cDigit = value.charAt(n);
1053                                 var nDigit = parseInt(cDigit, 10);
1054                                 if (bEven) {
1055                                         if ((nDigit *= 2) > 9)
1056                                                 nDigit -= 9;
1057                                 }
1058                                 nCheck += nDigit;
1059                                 bEven = !bEven;
1060                         }
1061
1062                         return (nCheck % 10) == 0;
1063                 },
1064
1065                 // http://docs.jquery.com/Plugins/Validation/Methods/accept
1066                 accept: function(value, element, param) {
1067                         param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
1068                         return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i"));
1069                 },
1070
1071                 // http://docs.jquery.com/Plugins/Validation/Methods/equalTo
1072                 equalTo: function(value, element, param) {
1073                         // bind to the blur event of the target in order to revalidate whenever the target field is updated
1074                         // TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
1075                         var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
1076                                 $(element).valid();
1077                         });
1078                         return value == target.val();
1079                 }
1080
1081         }
1082
1083 });
1084
1085 // deprecated, use $.validator.format instead
1086 $.format = $.validator.format;
1087
1088 })(jQuery);
1089
1090 // ajax mode: abort
1091 // usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
1092 // if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()
1093 ;(function($) {
1094         var pendingRequests = {};
1095         // Use a prefilter if available (1.5+)
1096         if ( $.ajaxPrefilter ) {
1097                 $.ajaxPrefilter(function(settings, _, xhr) {
1098                         var port = settings.port;
1099                         if (settings.mode == "abort") {
1100                                 if ( pendingRequests[port] ) {
1101                                         pendingRequests[port].abort();
1102                                 }
1103                                 pendingRequests[port] = xhr;
1104                         }
1105                 });
1106         } else {
1107                 // Proxy ajax
1108                 var ajax = $.ajax;
1109                 $.ajax = function(settings) {
1110                         var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,
1111                                 port = ( "port" in settings ? settings : $.ajaxSettings ).port;
1112                         if (mode == "abort") {
1113                                 if ( pendingRequests[port] ) {
1114                                         pendingRequests[port].abort();
1115                                 }
1116                                 return (pendingRequests[port] = ajax.apply(this, arguments));
1117                         }
1118                         return ajax.apply(this, arguments);
1119                 };
1120         }
1121 })(jQuery);
1122
1123 // provides cross-browser focusin and focusout events
1124 // IE has native support, in other browsers, use event caputuring (neither bubbles)
1125
1126 // provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
1127 // handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target
1128 ;(function($) {
1129         // only implement if not provided by jQuery core (since 1.4)
1130         // TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs
1131         if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
1132                 $.each({
1133                         focus: 'focusin',
1134                         blur: 'focusout'
1135                 }, function( original, fix ){
1136                         $.event.special[fix] = {
1137                                 setup:function() {
1138                                         this.addEventListener( original, handler, true );
1139                                 },
1140                                 teardown:function() {
1141                                         this.removeEventListener( original, handler, true );
1142                                 },
1143                                 handler: function(e) {
1144                                         arguments[0] = $.event.fix(e);
1145                                         arguments[0].type = fix;
1146                                         return $.event.handle.apply(this, arguments);
1147                                 }
1148                         };
1149                         function handler(e) {
1150                                 e = $.event.fix(e);
1151                                 e.type = fix;
1152                                 return $.event.handle.call(this, e);
1153                         }
1154                 });
1155         };
1156         $.extend($.fn, {
1157                 validateDelegate: function(delegate, type, handler) {
1158                         return this.bind(type, function(event) {
1159                                 var target = $(event.target);
1160                                 if (target.is(delegate)) {
1161                                         return handler.apply(target, arguments);
1162                                 }
1163                         });
1164                 }
1165         });
1166 })(jQuery);