https://www.ulsu.ru/static/js/jquery.validate.js

1/*!
2 * jQuery Validation Plugin v1.15.0
3 *
4 * http://jqueryvalidation.org/
5 *
6 * Copyright (c) 2016 Jörn Zaefferer
7 * Released under the MIT license
8 */
9(function( factory ) {
10	if ( typeof define === "function" && define.amd ) {
11		define( ["jquery"], factory );
12	} else if (typeof module === "object" && module.exports) {
13		module.exports = factory( require( "jquery" ) );
14	} else {
15		factory( jQuery );
16	}
17}(function( $ ) {
18
19$.extend( $.fn, {
20
21	// http://jqueryvalidation.org/validate/
22	validate: function( options ) {
23
24		// If nothing is selected, return nothing; can't chain anyway
25		if ( !this.length ) {
26			if ( options && options.debug && window.console ) {
27				console.warn( "Nothing selected, can't validate, returning nothing." );
28			}
29			return;
30		}
31
32		// Check if a validator for this form was already created
33		var validator = $.data( this[ 0 ], "validator" );
34		if ( validator ) {
35			return validator;
36		}
37
38		// Add novalidate tag if HTML5.
39		this.attr( "novalidate", "novalidate" );
40
41		validator = new $.validator( options, this[ 0 ] );
42		$.data( this[ 0 ], "validator", validator );
43
44		if ( validator.settings.onsubmit ) {
45
46			this.on( "click.validate", ":submit", function( event ) {
47				if ( validator.settings.submitHandler ) {
48					validator.submitButton = event.target;
49				}
50
51				// Allow suppressing validation by adding a cancel class to the submit button
52				if ( $( this ).hasClass( "cancel" ) ) {
53					validator.cancelSubmit = true;
54				}
55
56				// Allow suppressing validation by adding the html5 formnovalidate attribute to the submit button
57				if ( $( this ).attr( "formnovalidate" ) !== undefined ) {
58					validator.cancelSubmit = true;
59				}
60			} );
61
62			// Validate the form on submit
63			this.on( "submit.validate", function( event ) {
64				if ( validator.settings.debug ) {
65
66					// Prevent form submit to be able to see console output
67					event.preventDefault();
68				}
69				function handle() {
70					var hidden, result;
71					if ( validator.settings.submitHandler ) {
72						if ( validator.submitButton ) {
73
74							// Insert a hidden input as a replacement for the missing submit button
75							hidden = $( "<input type='hidden'/>" )
76								.attr( "name", validator.submitButton.name )
77								.val( $( validator.submitButton ).val() )
78								.appendTo( validator.currentForm );
79						}
80						result = validator.settings.submitHandler.call( validator, validator.currentForm, event );
81						if ( validator.submitButton ) {
82
83							// And clean up afterwards; thanks to no-block-scope, hidden can be referenced
84							hidden.remove();
85						}
86						if ( result !== undefined ) {
87							return result;
88						}
89						return false;
90					}
91					return true;
92				}
93
94				// Prevent submit for invalid forms or custom submit handlers
95				if ( validator.cancelSubmit ) {
96					validator.cancelSubmit = false;
97					return handle();
98				}
99				if ( validator.form() ) {
100					if ( validator.pendingRequest ) {
101						validator.formSubmitted = true;
102						return false;
103					}
104					return handle();
105				} else {
106					validator.focusInvalid();
107					return false;
108				}
109			} );
110		}
111
112		return validator;
113	},
114
115	// http://jqueryvalidation.org/valid/
116	valid: function() {
117		var valid, validator, errorList;
118
119		if ( $( this[ 0 ] ).is( "form" ) ) {
120			valid = this.validate().form();
121		} else {
122			errorList = [];
123			valid = true;
124			validator = $( this[ 0 ].form ).validate();
125			this.each( function() {
126				valid = validator.element( this ) && valid;
127				if ( !valid ) {
128					errorList = errorList.concat( validator.errorList );
129				}
130			} );
131			validator.errorList = errorList;
132		}
133		return valid;
134	},
135
136	// http://jqueryvalidation.org/rules/
137	rules: function( command, argument ) {
138
139		// If nothing is selected, return nothing; can't chain anyway
140		if ( !this.length ) {
141			return;
142		}
143
144		var element = this[ 0 ],
145			settings, staticRules, existingRules, data, param, filtered;
146
147		if ( command ) {
148			settings = $.data( element.form, "validator" ).settings;
149			staticRules = settings.rules;
150			existingRules = $.validator.staticRules( element );
151			switch ( command ) {
152			case "add":
153				$.extend( existingRules, $.validator.normalizeRule( argument ) );
154
155				// Remove messages from rules, but allow them to be set separately
156				delete existingRules.messages;
157				staticRules[ element.name ] = existingRules;
158				if ( argument.messages ) {
159					settings.messages[ element.name ] = $.extend( settings.messages[ element.name ], argument.messages );
160				}
161				break;
162			case "remove":
163				if ( !argument ) {
164					delete staticRules[ element.name ];
165					return existingRules;
166				}
167				filtered = {};
168				$.each( argument.split( /\s/ ), function( index, method ) {
169					filtered[ method ] = existingRules[ method ];
170					delete existingRules[ method ];
171					if ( method === "required" ) {
172						$( element ).removeAttr( "aria-required" );
173					}
174				} );
175				return filtered;
176			}
177		}
178
179		data = $.validator.normalizeRules(
180		$.extend(
181			{},
182			$.validator.classRules( element ),
183			$.validator.attributeRules( element ),
184			$.validator.dataRules( element ),
185			$.validator.staticRules( element )
186		), element );
187
188		// Make sure required is at front
189		if ( data.required ) {
190			param = data.required;
191			delete data.required;
192			data = $.extend( { required: param }, data );
193			$( element ).attr( "aria-required", "true" );
194		}
195
196		// Make sure remote is at back
197		if ( data.remote ) {
198			param = data.remote;
199			delete data.remote;
200			data = $.extend( data, { remote: param } );
201		}
202
203		return data;
204	}
205} );
206
207// Custom selectors
208$.extend( $.expr[ ":" ], {
209
210	// http://jqueryvalidation.org/blank-selector/
211	blank: function( a ) {
212		return !$.trim( "" + $( a ).val() );
213	},
214
215	// http://jqueryvalidation.org/filled-selector/
216	filled: function( a ) {
217		var val = $( a ).val();
218		return val !== null && !!$.trim( "" + val );
219	},
220
221	// http://jqueryvalidation.org/unchecked-selector/
222	unchecked: function( a ) {
223		return !$( a ).prop( "checked" );
224	}
225} );
226
227// Constructor for validator
228$.validator = function( options, form ) {
229	this.settings = $.extend( true, {}, $.validator.defaults, options );
230	this.currentForm = form;
231	this.init();
232};
233
234// http://jqueryvalidation.org/jQuery.validator.format/
235$.validator.format = function( source, params ) {
236	if ( arguments.length === 1 ) {
237		return function() {
238			var args = $.makeArray( arguments );
239			args.unshift( source );
240			return $.validator.format.apply( this, args );
241		};
242	}
243	if ( params === undefined ) {
244		return source;
245	}
246	if ( arguments.length > 2 && params.constructor !== Array  ) {
247		params = $.makeArray( arguments ).slice( 1 );
248	}
249	if ( params.constructor !== Array ) {
250		params = [ params ];
251	}
252	$.each( params, function( i, n ) {
253		source = source.replace( new RegExp( "\\{" + i + "\\}", "g" ), function() {
254			return n;
255		} );
256	} );
257	return source;
258};
259
260$.extend( $.validator, {
261
262	defaults: {
263		messages: {},
264		groups: {},
265		rules: {},
266		errorClass: "error",
267		pendingClass: "pending",
268		validClass: "valid",
269		errorElement: "label",
270		focusCleanup: false,
271		focusInvalid: true,
272		errorContainer: $( [] ),
273		errorLabelContainer: $( [] ),
274		onsubmit: true,
275		ignore: ":hidden",
276		ignoreTitle: false,
277		onfocusin: function( element ) {
278			this.lastActive = element;
279
280			// Hide error label and remove error class on focus if enabled
281			if ( this.settings.focusCleanup ) {
282				if ( this.settings.unhighlight ) {
283					this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
284				}
285				this.hideThese( this.errorsFor( element ) );
286			}
287		},
288		onfocusout: function( element ) {
289			if ( !this.checkable( element ) && ( element.name in this.submitted || !this.optional( element ) ) ) {
290				this.element( element );
291			}
292		},
293		onkeyup: function( element, event ) {
294
295			// Avoid revalidate the field when pressing one of the following keys
296			// Shift       => 16
297			// Ctrl        => 17
298			// Alt         => 18
299			// Caps lock   => 20
300			// End         => 35
301			// Home        => 36
302			// Left arrow  => 37
303			// Up arrow    => 38
304			// Right arrow => 39
305			// Down arrow  => 40
306			// Insert      => 45
307			// Num lock    => 144
308			// AltGr key   => 225
309			var excludedKeys = [
310				16, 17, 18, 20, 35, 36, 37,
311				38, 39, 40, 45, 144, 225
312			];
313
314			if ( event.which === 9 && this.elementValue( element ) === "" || $.inArray( event.keyCode, excludedKeys ) !== -1 ) {
315				return;
316			} else if ( element.name in this.submitted || element.name in this.invalid ) {
317				this.element( element );
318			}
319		},
320		onclick: function( element ) {
321
322			// Click on selects, radiobuttons and checkboxes
323			if ( element.name in this.submitted ) {
324				this.element( element );
325
326			// Or option elements, check parent select in that case
327			} else if ( element.parentNode.name in this.submitted ) {
328				this.element( element.parentNode );
329			}
330		},
331		highlight: function( element, errorClass, validClass ) {
332			if ( element.type === "radio" ) {
333				this.findByName( element.name ).addClass( errorClass ).removeClass( validClass );
334			} else {
335				$( element ).addClass( errorClass ).removeClass( validClass );
336			}
337		},
338		unhighlight: function( element, errorClass, validClass ) {
339			if ( element.type === "radio" ) {
340				this.findByName( element.name ).removeClass( errorClass ).addClass( validClass );
341			} else {
342				$( element ).removeClass( errorClass ).addClass( validClass );
343			}
344		}
345	},
346
347	// http://jqueryvalidation.org/jQuery.validator.setDefaults/
348	setDefaults: function( settings ) {
349		$.extend( $.validator.defaults, settings );
350	},
351
352	messages: {
353		required: "This field is required.",
354		remote: "Please fix this field.",
355		email: "Please enter a valid email address.",
356		url: "Please enter a valid URL.",
357		date: "Please enter a valid date.",
358		dateISO: "Please enter a valid date ( ISO ).",
359		number: "Please enter a valid number.",
360		digits: "Please enter only digits.",
361		equalTo: "Please enter the same value again.",
362		maxlength: $.validator.format( "Please enter no more than {0} characters." ),
363		minlength: $.validator.format( "Please enter at least {0} characters." ),
364		rangelength: $.validator.format( "Please enter a value between {0} and {1} characters long." ),
365		range: $.validator.format( "Please enter a value between {0} and {1}." ),
366		max: $.validator.format( "Please enter a value less than or equal to {0}." ),
367		min: $.validator.format( "Please enter a value greater than or equal to {0}." ),
368		step: $.validator.format( "Please enter a multiple of {0}." )
369	},
370
371	autoCreateRanges: false,
372
373	prototype: {
374
375		init: function() {
376			this.labelContainer = $( this.settings.errorLabelContainer );
377			this.errorContext = this.labelContainer.length && this.labelContainer || $( this.currentForm );
378			this.containers = $( this.settings.errorContainer ).add( this.settings.errorLabelContainer );
379			this.submitted = {};
380			this.valueCache = {};
381			this.pendingRequest = 0;
382			this.pending = {};
383			this.invalid = {};
384			this.reset();
385
386			var groups = ( this.groups = {} ),
387				rules;
388			$.each( this.settings.groups, function( key, value ) {
389				if ( typeof value === "string" ) {
390					value = value.split( /\s/ );
391				}
392				$.each( value, function( index, name ) {
393					groups[ name ] = key;
394				} );
395			} );
396			rules = this.settings.rules;
397			$.each( rules, function( key, value ) {
398				rules[ key ] = $.validator.normalizeRule( value );
399			} );
400
401			function delegate( event ) {
402				var validator = $.data( this.form, "validator" ),
403					eventType = "on" + event.type.replace( /^validate/, "" ),
404					settings = validator.settings;
405				if ( settings[ eventType ] && !$( this ).is( settings.ignore ) ) {
406					settings[ eventType ].call( validator, this, event );
407				}
408			}
409
410			$( this.currentForm )
411				.on( "focusin.validate focusout.validate keyup.validate",
412					":text, [type='password'], [type='file'], select, textarea, [type='number'], [type='search'], " +
413					"[type='tel'], [type='url'], [type='email'], [type='datetime'], [type='date'], [type='month'], " +
414					"[type='week'], [type='time'], [type='datetime-local'], [type='range'], [type='color'], " +
415					"[type='radio'], [type='checkbox'], [contenteditable]", delegate )
416
417				// Support: Chrome, oldIE
418				// "select" is provided as event.target when clicking a option
419				.on( "click.validate", "select, option, [type='radio'], [type='checkbox']", delegate );
420
421			if ( this.settings.invalidHandler ) {
422				$( this.currentForm ).on( "invalid-form.validate", this.settings.invalidHandler );
423			}
424
425			// Add aria-required to any Static/Data/Class required fields before first validation
426			// Screen readers require this attribute to be present before the initial submission http://www.w3.org/TR/WCAG-TECHS/ARIA2.html
427			$( this.currentForm ).find( "[required], [data-rule-required], .required" ).attr( "aria-required", "true" );
428		},
429
430		// http://jqueryvalidation.org/Validator.form/
431		form: function() {
432			this.checkForm();
433			$.extend( this.submitted, this.errorMap );
434			this.invalid = $.extend( {}, this.errorMap );
435			if ( !this.valid() ) {
436				$( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
437			}
438			this.showErrors();
439			return this.valid();
440		},
441
442		checkForm: function() {
443			this.prepareForm();
444			for ( var i = 0, elements = ( this.currentElements = this.elements() ); elements[ i ]; i++ ) {
445				this.check( elements[ i ] );
446			}
447			return this.valid();
448		},
449
450		// http://jqueryvalidation.org/Validator.element/
451		element: function( element ) {
452			var cleanElement = this.clean( element ),
453				checkElement = this.validationTargetFor( cleanElement ),
454				v = this,
455				result = true,
456				rs, group;
457
458			if ( checkElement === undefined ) {
459				delete this.invalid[ cleanElement.name ];
460			} else {
461				this.prepareElement( checkElement );
462				this.currentElements = $( checkElement );
463
464				// If this element is grouped, then validate all group elements already
465				// containing a value
466				group = this.groups[ checkElement.name ];
467				if ( group ) {
468					$.each( this.groups, function( name, testgroup ) {
469						if ( testgroup === group && name !== checkElement.name ) {
470							cleanElement = v.validationTargetFor( v.clean( v.findByName( name ) ) );
471							if ( cleanElement && cleanElement.name in v.invalid ) {
472								v.currentElements.push( cleanElement );
473								result = result && v.check( cleanElement );
474							}
475						}
476					} );
477				}
478
479				rs = this.check( checkElement ) !== false;
480				result = result && rs;
481				if ( rs ) {
482					this.invalid[ checkElement.name ] = false;
483				} else {
484					this.invalid[ checkElement.name ] = true;
485				}
486
487				if ( !this.numberOfInvalids() ) {
488
489					// Hide error containers on last error
490					this.toHide = this.toHide.add( this.containers );
491				}
492				this.showErrors();
493
494				// Add aria-invalid status for screen readers
495				$( element ).attr( "aria-invalid", !rs );
496			}
497
498			return result;
499		},
500
501		// http://jqueryvalidation.org/Validator.showErrors/
502		showErrors: function( errors ) {
503			if ( errors ) {
504				var validator = this;
505
506				// Add items to error list and map
507				$.extend( this.errorMap, errors );
508				this.errorList = $.map( this.errorMap, function( message, name ) {
509					return {
510						message: message,
511						element: validator.findByName( name )[ 0 ]
512					};
513				} );
514
515				// Remove items from success list
516				this.successList = $.grep( this.successList, function( element ) {
517					return !( element.name in errors );
518				} );
519			}
520			if ( this.settings.showErrors ) {
521				this.settings.showErrors.call( this, this.errorMap, this.errorList );
522			} else {
523				this.defaultShowErrors();
524			}
525		},
526
527		// http://jqueryvalidation.org/Validator.resetForm/
528		resetForm: function() {
529			if ( $.fn.resetForm ) {
530				$( this.currentForm ).resetForm();
531			}
532			this.invalid = {};
533			this.submitted = {};
534			this.prepareForm();
535			this.hideErrors();
536			var elements = this.elements()
537				.removeData( "previousValue" )
538				.removeAttr( "aria-invalid" );
539
540			this.resetElements( elements );
541		},
542
543		resetElements: function( elements ) {
544			var i;
545
546			if ( this.settings.unhighlight ) {
547				for ( i = 0; elements[ i ]; i++ ) {
548					this.settings.unhighlight.call( this, elements[ i ],
549						this.settings.errorClass, "" );
550					this.findByName( elements[ i ].name ).removeClass( this.settings.validClass );
551				}
552			} else {
553				elements
554					.removeClass( this.settings.errorClass )
555					.removeClass( this.settings.validClass );
556			}
557		},
558
559		numberOfInvalids: function() {
560			return this.objectLength( this.invalid );
561		},
562
563		objectLength: function( obj ) {
564			/* jshint unused: false */
565			var count = 0,
566				i;
567			for ( i in obj ) {
568				if ( obj[ i ] ) {
569					count++;
570				}
571			}
572			return count;
573		},
574
575		hideErrors: function() {
576			this.hideThese( this.toHide );
577		},
578
579		hideThese: function( errors ) {
580			errors.not( this.containers ).text( "" );
581			this.addWrapper( errors ).hide();
582		},
583
584		valid: function() {
585			return this.size() === 0;
586		},
587
588		size: function() {
589			return this.errorList.length;
590		},
591
592		focusInvalid: function() {
593			if ( this.settings.focusInvalid ) {
594				try {
595					$( this.findLastActive() || this.errorList.length && this.errorList[ 0 ].element || [] )
596					.filter( ":visible" )
597					.focus()
598
599					// Manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
600					.trigger( "focusin" );
601				} catch ( e ) {
602
603					// Ignore IE throwing errors when focusing hidden elements
604				}
605			}
606		},
607
608		findLastActive: function() {
609			var lastActive = this.lastActive;
610			return lastActive && $.grep( this.errorList, function( n ) {
611				return n.element.name === lastActive.name;
612			} ).length === 1 && lastActive;
613		},
614
615		elements: function() {
616			var validator = this,
617				rulesCache = {};
618
619			// Select all valid inputs inside the form (no submit or reset buttons)
620			return $( this.currentForm )
621			.find( "input, select, textarea, [contenteditable]" )
622			.not( ":submit, :reset, :image, :disabled" )
623			.not( this.settings.ignore )
624			.filter( function() {
625				var name = this.name || $( this ).attr( "name" ); // For contenteditable
626				if ( !name && validator.settings.debug && window.console ) {
627					console.error( "%o has no name assigned", this );
628				}
629
630				// Set form expando on contenteditable
631				if ( this.hasAttribute( "contenteditable" ) ) {
632					this.form = $( this ).closest( "form" )[ 0 ];
633				}
634
635				// Select only the first element for each name, and only those with rules specified
636				if ( name in rulesCache || !validator.objectLength( $( this ).rules() ) ) {
637					return false;
638				}
639
640				rulesCache[ name ] = true;
641				return true;
642			} );
643		},
644
645		clean: function( selector ) {
646			return $( selector )[ 0 ];
647		},
648
649		errors: function() {
650			var errorClass = this.settings.errorClass.split( " " ).join( "." );
651			return $( this.settings.errorElement + "." + errorClass, this.errorContext );
652		},
653
654		resetInternals: function() {
655			this.successList = [];
656			this.errorList = [];
657			this.errorMap = {};
658			this.toShow = $( [] );
659			this.toHide = $( [] );
660		},
661
662		reset: function() {
663			this.resetInternals();
664			this.currentElements = $( [] );
665		},
666
667		prepareForm: function() {
668			this.reset();
669			this.toHide = this.errors().add( this.containers );
670		},
671
672		prepareElement: function( element ) {
673			this.reset();
674			this.toHide = this.errorsFor( element );
675		},
676
677		elementValue: function( element ) {
678			var $element = $( element ),
679				type = element.type,
680				val, idx;
681
682			if ( type === "radio" || type === "checkbox" ) {
683				return this.findByName( element.name ).filter( ":checked" ).val();
684			} else if ( type === "number" && typeof element.validity !== "undefined" ) {
685				return element.validity.badInput ? "NaN" : $element.val();
686			}
687
688			if ( element.hasAttribute( "contenteditable" ) ) {
689				val = $element.text();
690			} else {
691				val = $element.val();
692			}
693
694			if ( type === "file" ) {
695
696				// Modern browser (chrome & safari)
697				if ( val.substr( 0, 12 ) === "C:\\fakepath\\" ) {
698					return val.substr( 12 );
699				}
700
701				// Legacy browsers
702				// Unix-based path
703				idx = val.lastIndexOf( "/" );
704				if ( idx >= 0 ) {
705					return val.substr( idx + 1 );
706				}
707
708				// Windows-based path
709				idx = val.lastIndexOf( "\\" );
710				if ( idx >= 0 ) {
711					return val.substr( idx + 1 );
712				}
713
714				// Just the file name
715				return val;
716			}
717
718			if ( typeof val === "string" ) {
719				return val.replace( /\r/g, "" );
720			}
721			return val;
722		},
723
724		check: function( element ) {
725			element = this.validationTargetFor( this.clean( element ) );
726
727			var rules = $( element ).rules(),
728				rulesCount = $.map( rules, function( n, i ) {
729					return i;
730				} ).length,
731				dependencyMismatch = false,
732				val = this.elementValue( element ),
733				result, method, rule;
734
735			// If a normalizer is defined for this element, then
736			// call it to retreive the changed value instead
737			// of using the real one.
738			// Note that `this` in the normalizer is `element`.
739			if ( typeof rules.normalizer === "function" ) {
740				val = rules.normalizer.call( element, val );
741
742				if ( typeof val !== "string" ) {
743					throw new TypeError( "The normalizer should return a string value." );
744				}
745
746				// Delete the normalizer from rules to avoid treating
747				// it as a pre-defined method.
748				delete rules.normalizer;
749			}
750
751			for ( method in rules ) {
752				rule = { method: method, parameters: rules[ method ] };
753				try {
754					result = $.validator.methods[ method ].call( this, val, element, rule.parameters );
755
756					// If a method indicates that the field is optional and therefore valid,
757					// don't mark it as valid when there are no other rules
758					if ( result === "dependency-mismatch" && rulesCount === 1 ) {
759						dependencyMismatch = true;
760						continue;
761					}
762					dependencyMismatch = false;
763
764					if ( result === "pending" ) {
765						this.toHide = this.toHide.not( this.errorsFor( element ) );
766						return;
767					}
768
769					if ( !result ) {
770						this.formatAndAdd( element, rule );
771						return false;
772					}
773				} catch ( e ) {
774					if ( this.settings.debug && window.console ) {
775						console.log( "Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e );
776					}
777					if ( e instanceof TypeError ) {
778						e.message += ".  Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.";
779					}
780
781					throw e;
782				}
783			}
784			if ( dependencyMismatch ) {
785				return;
786			}
787			if ( this.objectLength( rules ) ) {
788				this.successList.push( element );
789			}
790			return true;
791		},
792
793		// Return the custom message for the given element and validation method
794		// specified in the element's HTML5 data attribute
795		// return the generic message if present and no method specific message is present
796		customDataMessage: function( element, method ) {
797			return $( element ).data( "msg" + method.charAt( 0 ).toUpperCase() +
798				method.substring( 1 ).toLowerCase() ) || $( element ).data( "msg" );
799		},
800
801		// Return the custom message for the given element name and validation method
802		customMessage: function( name, method ) {
803			var m = this.settings.messages[ name ];
804			return m && ( m.constructor === String ? m : m[ method ] );
805		},
806
807		// Return the first defined argument, allowing empty strings
808		findDefined: function() {
809			for ( var i = 0; i < arguments.length; i++ ) {
810				if ( arguments[ i ] !== undefined ) {
811					return arguments[ i ];
812				}
813			}
814			return undefined;
815		},
816
817		defaultMessage: function( element, rule ) {
818			var message = this.findDefined(
819					this.customMessage( element.name, rule.method ),
820					this.customDataMessage( element, rule.method ),
821
822					// 'title' is never undefined, so handle empty string as undefined
823					!this.settings.ignoreTitle && element.title || undefined,
824					$.validator.messages[ rule.method ],
825					"<strong>Warning: No message defined for " + element.name + "</strong>"
826				),
827				theregex = /\$?\{(\d+)\}/g;
828			if ( typeof message === "function" ) {
829				message = message.call( this, rule.parameters, element );
830			} else if ( theregex.test( message ) ) {
831				message = $.validator.format( message.replace( theregex, "{$1}" ), rule.parameters );
832			}
833
834			return message;
835		},
836
837		formatAndAdd: function( element, rule ) {
838			var message = this.defaultMessage( element, rule );
839
840			this.errorList.push( {
841				message: message,
842				element: element,
843				method: rule.method
844			} );
845
846			this.errorMap[ element.name ] = message;
847			this.submitted[ element.name ] = message;
848		},
849
850		addWrapper: function( toToggle ) {
851			if ( this.settings.wrapper ) {
852				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
853			}
854			return toToggle;
855		},
856
857		defaultShowErrors: function() {
858			var i, elements, error;
859			for ( i = 0; this.errorList[ i ]; i++ ) {
860				error = this.errorList[ i ];
861				if ( this.settings.highlight ) {
862					this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
863				}
864				this.showLabel( error.element, error.message );
865			}
866			if ( this.errorList.length ) {
867				this.toShow = this.toShow.add( this.containers );
868			}
869			if ( this.settings.success ) {
870				for ( i = 0; this.successList[ i ]; i++ ) {
871					this.showLabel( this.successList[ i ] );
872				}
873			}
874			if ( this.settings.unhighlight ) {
875				for ( i = 0, elements = this.validElements(); elements[ i ]; i++ ) {
876					this.settings.unhighlight.call( this, elements[ i ], this.settings.errorClass, this.settings.validClass );
877				}
878			}
879			this.toHide = this.toHide.not( this.toShow );
880			this.hideErrors();
881			this.addWrapper( this.toShow ).show();
882		},
883
884		validElements: function() {
885			return this.currentElements.not( this.invalidElements() );
886		},
887
888		invalidElements: function() {
889			return $( this.errorList ).map( function() {
890				return this.element;
891			} );
892		},
893
894		showLabel: function( element, message ) {
895			var place, group, errorID, v,
896				error = this.errorsFor( element ),
897				elementID = this.idOrName( element ),
898				describedBy = $( element ).attr( "aria-describedby" );
899
900			if ( error.length ) {
901
902				// Refresh error/success class
903				error.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );
904
905				// Replace message on existing label
906				error.html( message );
907			} else {
908
909				// Create error element
910				error = $( "<" + this.settings.errorElement + ">" )
911					.attr( "id", elementID + "-error" )
912					.addClass( this.settings.errorClass )
913					.html( message || "" );
914
915				// Maintain reference to the element to be placed into the DOM
916				place = error;
917				if ( this.settings.wrapper ) {
918
919					// Make sure the element is visible, even in IE
920					// actually showing the wrapped element is handled elsewhere
921					place = error.hide().show().wrap( "<" + this.settings.wrapper + "/>" ).parent();
922				}
923				if ( this.labelContainer.length ) {
924					this.labelContainer.append( place );
925				} else if ( this.settings.errorPlacement ) {
926					this.settings.errorPlacement( place, $( element ) );
927				} else {
928					place.insertAfter( element );
929				}
930
931				// Link error back to the element
932				if ( error.is( "label" ) ) {
933
934					// If the error is a label, then associate using 'for'
935					error.attr( "for", elementID );
936
937					// If the element is not a child of an associated label, then it's necessary
938					// to explicitly apply aria-describedby
939				} else if ( error.parents( "label[for='" + this.escapeCssMeta( elementID ) + "']" ).length === 0 ) {
940					errorID = error.attr( "id" );
941
942					// Respect existing non-error aria-describedby
943					if ( !describedBy ) {
944						describedBy = errorID;
945					} else if ( !describedBy.match( new RegExp( "\\b" + this.escapeCssMeta( errorID ) + "\\b" ) ) ) {
946
947						// Add to end of list if not already present
948						describedBy += " " + errorID;
949					}
950					$( element ).attr( "aria-describedby", describedBy );
951
952					// If this element is grouped, then assign to all elements in the same group
953					group = this.groups[ element.name ];
954					if ( group ) {
955						v = this;
956						$.each( v.groups, function( name, testgroup ) {
957							if ( testgroup === group ) {
958								$( "[name='" + v.escapeCssMeta( name ) + "']", v.currentForm )
959									.attr( "aria-describedby", error.attr( "id" ) );
960							}
961						} );
962					}
963				}
964			}
965			if ( !message && this.settings.success ) {
966				error.text( "" );
967				if ( typeof this.settings.success === "string" ) {
968					error.addClass( this.settings.success );
969				} else {
970					this.settings.success( error, element );
971				}
972			}
973			this.toShow = this.toShow.add( error );
974		},
975
976		errorsFor: function( element ) {
977			var name = this.escapeCssMeta( this.idOrName( element ) ),
978				describer = $( element ).attr( "aria-describedby" ),
979				selector = "label[for='" + name + "'], label[for='" + name + "'] *";
980
981			// 'aria-describedby' should directly reference the error element
982			if ( describer ) {
983				selector = selector + ", #" + this.escapeCssMeta( describer )
984					.replace( /\s+/g, ", #" );
985			}
986
987			return this
988				.errors()
989				.filter( selector );
990		},
991
992		// See https://api.jquery.com/category/selectors/, for CSS
993		// meta-characters that should be escaped in order to be used with JQuery
994		// as a literal part of a name/id or any selector.
995		escapeCssMeta: function( string ) {
996			return string.replace( /([\\!"#$%&'()*+,./:;<=>?@\[\]^`{|}~])/g, "\\$1" );
997		},
998
999		idOrName: function( element ) {
1000			return this.groups[ element.name ] || ( this.checkable( element ) ? element.name : element.id || element.name );
1001		},
1002
1003		validationTargetFor: function( element ) {
1004
1005			// If radio/checkbox, validate first element in group instead
1006			if ( this.checkable( element ) ) {
1007				element = this.findByName( element.name );
1008			}
1009
1010			// Always apply ignore filter
1011			return $( element ).not( this.settings.ignore )[ 0 ];
1012		},
1013
1014		checkable: function( element ) {
1015			return ( /radio|checkbox/i ).test( element.type );
1016		},
1017
1018		findByName: function( name ) {
1019			return $( this.currentForm ).find( "[name='" + this.escapeCssMeta( name ) + "']" );
1020		},
1021
1022		getLength: function( value, element ) {
1023			switch ( element.nodeName.toLowerCase() ) {
1024			case "select":
1025				return $( "option:selected", element ).length;
1026			case "input":
1027				if ( this.checkable( element ) ) {
1028					return this.findByName( element.name ).filter( ":checked" ).length;
1029				}
1030			}
1031			return value.length;
1032		},
1033
1034		depend: function( param, element ) {
1035			return this.dependTypes[ typeof param ] ? this.dependTypes[ typeof param ]( param, element ) : true;
1036		},
1037
1038		dependTypes: {
1039			"boolean": function( param ) {
1040				return param;
1041			},
1042			"string": function( param, element ) {
1043				return !!$( param, element.form ).length;
1044			},
1045			"function": function( param, element ) {
1046				return param( element );
1047			}
1048		},
1049
1050		optional: function( element ) {
1051			var val = this.elementValue( element );
1052			return !$.validator.methods.required.call( this, val, element ) && "dependency-mismatch";
1053		},
1054
1055		startRequest: function( element ) {
1056			if ( !this.pending[ element.name ] ) {
1057				this.pendingRequest++;
1058				$( element ).addClass( this.settings.pendingClass );
1059				this.pending[ element.name ] = true;
1060			}
1061		},
1062
1063		stopRequest: function( element, valid ) {
1064			this.pendingRequest--;
1065
1066			// Sometimes synchronization fails, make sure pendingRequest is never < 0
1067			if ( this.pendingRequest < 0 ) {
1068				this.pendingRequest = 0;
1069			}
1070			delete this.pending[ element.name ];
1071			$( element ).removeClass( this.settings.pendingClass );
1072			if ( valid && this.pendingRequest === 0 && this.formSubmitted && this.form() ) {
1073				$( this.currentForm ).submit();
1074				this.formSubmitted = false;
1075			} else if ( !valid && this.pendingRequest === 0 && this.formSubmitted ) {
1076				$( this.currentForm ).triggerHandler( "invalid-form", [ this ] );
1077				this.formSubmitted = false;
1078			}
1079		},
1080
1081		previousValue: function( element, method ) {
1082			return $.data( element, "previousValue" ) || $.data( element, "previousValue", {
1083				old: null,
1084				valid: true,
1085				message: this.defaultMessage( element, { method: method } )
1086			} );
1087		},
1088
1089		// Cleans up all forms and elements, removes validator-specific events
1090		destroy: function() {
1091			this.resetForm();
1092
1093			$( this.currentForm )
1094				.off( ".validate" )
1095				.removeData( "validator" )
1096				.find( ".validate-equalTo-blur" )
1097					.off( ".validate-equalTo" )
1098					.removeClass( "validate-equalTo-blur" );
1099		}
1100
1101	},
1102
1103	classRuleSettings: {
1104		required: { required: true },
1105		email: { email: true },
1106		url: { url: true },
1107		date: { date: true },
1108		dateISO: { dateISO: true },
1109		number: { number: true },
1110		digits: { digits: true },
1111		creditcard: { creditcard: true }
1112	},
1113
1114	addClassRules: function( className, rules ) {
1115		if ( className.constructor === String ) {
1116			this.classRuleSettings[ className ] = rules;
1117		} else {
1118			$.extend( this.classRuleSettings, className );
1119		}
1120	},
1121
1122	classRules: function( element ) {
1123		var rules = {},
1124			classes = $( element ).attr( "class" );
1125
1126		if ( classes ) {
1127			$.each( classes.split( " " ), function() {
1128				if ( this in $.validator.classRuleSettings ) {
1129					$.extend( rules, $.validator.classRuleSettings[ this ] );
1130				}
1131			} );
1132		}
1133		return rules;
1134	},
1135
1136	normalizeAttributeRule: function( rules, type, method, value ) {
1137
1138		// Convert the value to a number for number inputs, and for text for backwards compability
1139		// allows type="date" and others to be compared as strings
1140		if ( /min|max|step/.test( method ) && ( type === null || /number|range|text/.test( type ) ) ) {
1141			value = Number( value );
1142
1143			// Support Opera Mini, which returns NaN for undefined minlength
1144			if ( isNaN( value ) ) {
1145				value = undefined;
1146			}
1147		}
1148
1149		if ( value || value === 0 ) {
1150			rules[ method ] = value;
1151		} else if ( type === method && type !== "range" ) {
1152
1153			// Exception: the jquery validate 'range' method
1154			// does not test for the html5 'range' type
1155			rules[ method ] = true;
1156		}
1157	},
1158
1159	attributeRules: function( element ) {
1160		var rules = {},
1161			$element = $( element ),
1162			type = element.getAttribute( "type" ),
1163			method, value;
1164
1165		for ( method in $.validator.methods ) {
1166
1167			// Support for <input required> in both html5 and older browsers
1168			if ( method === "required" ) {
1169				value = element.getAttribute( method );
1170
1171				// Some browsers return an empty string for the required attribute
1172				// and non-HTML5 browsers might have required="" markup
1173				if ( value === "" ) {
1174					value = true;
1175				}
1176
1177				// Force non-HTML5 browsers to return bool
1178				value = !!value;
1179			} else {
1180				value = $element.attr( method );
1181			}
1182
1183			this.normalizeAttributeRule( rules, type, method, value );
1184		}
1185
1186		// 'maxlength' may be returned as -1, 2147483647 ( IE ) and 524288 ( safari ) for text inputs
1187		if ( rules.maxlength && /-1|2147483647|524288/.test( rules.maxlength ) ) {
1188			delete rules.maxlength;
1189		}
1190
1191		return rules;
1192	},
1193
1194	dataRules: function( element ) {
1195		var rules = {},
1196			$element = $( element ),
1197			type = element.getAttribute( "type" ),
1198			method, value;
1199
1200		for ( method in $.validator.methods ) {
1201			value = $element.data( "rule" + method.charAt( 0 ).toUpperCase() + method.substring( 1 ).toLowerCase() );
1202			this.normalizeAttributeRule( rules, type, method, value );
1203		}
1204		return rules;
1205	},
1206
1207	staticRules: function( element ) {
1208		var rules = {},
1209			validator = $.data( element.form, "validator" );
1210
1211		if ( validator.settings.rules ) {
1212			rules = $.validator.normalizeRule( validator.settings.rules[ element.name ] ) || {};
1213		}
1214		return rules;
1215	},
1216
1217	normalizeRules: function( rules, element ) {
1218
1219		// Handle dependency check
1220		$.each( rules, function( prop, val ) {
1221
1222			// Ignore rule when param is explicitly false, eg. required:false
1223			if ( val === false ) {
1224				delete rules[ prop ];
1225				return;
1226			}
1227			if ( val.param || val.depends ) {
1228				var keepRule = true;
1229				switch ( typeof val.depends ) {
1230				case "string":
1231					keepRule = !!$( val.depends, element.form ).length;
1232					break;
1233				case "function":
1234					keepRule = val.depends.call( element, element );
1235					break;
1236				}
1237				if ( keepRule ) {
1238					rules[ prop ] = val.param !== undefined ? val.param : true;
1239				} else {
1240					$.data( element.form, "validator" ).resetElements( $( element ) );
1241					delete rules[ prop ];
1242				}
1243			}
1244		} );
1245
1246		// Evaluate parameters
1247		$.each( rules, function( rule, parameter ) {
1248			rules[ rule ] = $.isFunction( parameter ) && rule !== "normalizer" ? parameter( element ) : parameter;
1249		} );
1250
1251		// Clean number parameters
1252		$.each( [ "minlength", "maxlength" ], function() {
1253			if ( rules[ this ] ) {
1254				rules[ this ] = Number( rules[ this ] );
1255			}
1256		} );
1257		$.each( [ "rangelength", "range" ], function() {
1258			var parts;
1259			if ( rules[ this ] ) {
1260				if ( $.isArray( rules[ this ] ) ) {
1261					rules[ this ] = [ Number( rules[ this ][ 0 ] ), Number( rules[ this ][ 1 ] ) ];
1262				} else if ( typeof rules[ this ] === "string" ) {
1263					parts = rules[ this ].replace( /[\[\]]/g, "" ).split( /[\s,]+/ );
1264					rules[ this ] = [ Number( parts[ 0 ] ), Number( parts[ 1 ] ) ];
1265				}
1266			}
1267		} );
1268
1269		if ( $.validator.autoCreateRanges ) {
1270
1271			// Auto-create ranges
1272			if ( rules.min != null && rules.max != null ) {
1273				rules.range = [ rules.min, rules.max ];
1274				delete rules.min;
1275				delete rules.max;
1276			}
1277			if ( rules.minlength != null && rules.maxlength != null ) {
1278				rules.rangelength = [ rules.minlength, rules.maxlength ];
1279				delete rules.minlength;
1280				delete rules.maxlength;
1281			}
1282		}
1283
1284		return rules;
1285	},
1286
1287	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
1288	normalizeRule: function( data ) {
1289		if ( typeof data === "string" ) {
1290			var transformed = {};
1291			$.each( data.split( /\s/ ), function() {
1292				transformed[ this ] = true;
1293			} );
1294			data = transformed;
1295		}
1296		return data;
1297	},
1298
1299	// http://jqueryvalidation.org/jQuery.validator.addMethod/
1300	addMethod: function( name, method, message ) {
1301		$.validator.methods[ name ] = method;
1302		$.validator.messages[ name ] = message !== undefined ? message : $.validator.messages[ name ];
1303		if ( method.length < 3 ) {
1304			$.validator.addClassRules( name, $.validator.normalizeRule( name ) );
1305		}
1306	},
1307
1308	// http://jqueryvalidation.org/jQuery.validator.methods/
1309	methods: {
1310
1311		// http://jqueryvalidation.org/required-method/
1312		required: function( value, element, param ) {
1313
1314			// Check if dependency is met
1315			if ( !this.depend( param, element ) ) {
1316				return "dependency-mismatch";
1317			}
1318			if ( element.nodeName.toLowerCase() === "select" ) {
1319
1320				// Could be an array for select-multiple or a string, both are fine this way
1321				var val = $( element ).val();
1322				return val && val.length > 0;
1323			}
1324			if ( this.checkable( element ) ) {
1325				return this.getLength( value, element ) > 0;
1326			}
1327			return value.length > 0;
1328		},
1329
1330		// http://jqueryvalidation.org/email-method/
1331		email: function( value, element ) {
1332
1333			// From https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address
1334			// Retrieved 2014-01-14
1335			// If you have a problem with this implementation, report a bug against the above spec
1336			// Or use custom methods to implement your own email validation
1337			return this.optional( element ) || /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test( value );
1338		},
1339
1340		// http://jqueryvalidation.org/url-method/
1341		url: function( value, element ) {
1342
1343			// Copyright (c) 2010-2013 Diego Perini, MIT licensed
1344			// https://gist.github.com/dperini/729294
1345			// see also https://mathiasbynens.be/demo/url-regex
1346			// modified to allow protocol-relative URLs
1347			return this.optional( element ) || /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test( value );
1348		},
1349
1350		// http://jqueryvalidation.org/date-method/
1351		date: function( value, element ) {
1352			return this.optional( element ) || !/Invalid|NaN/.test( new Date( value ).toString() );
1353		},
1354
1355		// http://jqueryvalidation.org/dateISO-method/
1356		dateISO: function( value, element ) {
1357			return this.optional( element ) || /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test( value );
1358		},
1359
1360		// http://jqueryvalidation.org/number-method/
1361		number: function( value, element ) {
1362			return this.optional( element ) || /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test( value );
1363		},
1364
1365		// http://jqueryvalidation.org/digits-method/
1366		digits: function( value, element ) {
1367			return this.optional( element ) || /^\d+$/.test( value );
1368		},
1369
1370		// http://jqueryvalidation.org/minlength-method/
1371		minlength: function( value, element, param ) {
1372			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
1373			return this.optional( element ) || length >= param;
1374		},
1375
1376		// http://jqueryvalidation.org/maxlength-method/
1377		maxlength: function( value, element, param ) {
1378			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
1379			return this.optional( element ) || length <= param;
1380		},
1381
1382		// http://jqueryvalidation.org/rangelength-method/
1383		rangelength: function( value, element, param ) {
1384			var length = $.isArray( value ) ? value.length : this.getLength( value, element );
1385			return this.optional( element ) || ( length >= param[ 0 ] && length <= param[ 1 ] );
1386		},
1387
1388		// http://jqueryvalidation.org/min-method/
1389		min: function( value, element, param ) {
1390			return this.optional( element ) || value >= param;
1391		},
1392
1393		// http://jqueryvalidation.org/max-method/
1394		max: function( value, element, param ) {
1395			return this.optional( element ) || value <= param;
1396		},
1397
1398		// http://jqueryvalidation.org/range-method/
1399		range: function( value, element, param ) {
1400			return this.optional( element ) || ( value >= param[ 0 ] && value <= param[ 1 ] );
1401		},
1402
1403		// http://jqueryvalidation.org/step-method/
1404		step: function( value, element, param ) {
1405			var type = $( element ).attr( "type" ),
1406				errorMessage = "Step attribute on input type " + type + " is not supported.",
1407				supportedTypes = [ "text", "number", "range" ],
1408				re = new RegExp( "\\b" + type + "\\b" ),
1409				notSupported = type && !re.test( supportedTypes.join() );
1410
1411			// Works only for text, number and range input types
1412			// TODO find a way to support input types date, datetime, datetime-local, month, time and week
1413			if ( notSupported ) {
1414				throw new Error( errorMessage );
1415			}
1416			return this.optional( element ) || ( value % param === 0 );
1417		},
1418
1419		// http://jqueryvalidation.org/equalTo-method/
1420		equalTo: function( value, element, param ) {
1421
1422			// Bind to the blur event of the target in order to revalidate whenever the target field is updated
1423			var target = $( param );
1424			if ( this.settings.onfocusout && target.not( ".validate-equalTo-blur" ).length ) {
1425				target.addClass( "validate-equalTo-blur" ).on( "blur.validate-equalTo", function() {
1426					$( element ).valid();
1427				} );
1428			}
1429			return value === target.val();
1430		},
1431
1432		// http://jqueryvalidation.org/remote-method/
1433		remote: function( value, element, param, method ) {
1434			if ( this.optional( element ) ) {
1435				return "dependency-mismatch";
1436			}
1437
1438			method = typeof method === "string" && method || "remote";
1439
1440			var previous = this.previousValue( element, method ),
1441				validator, data, optionDataString;
1442
1443			if ( !this.settings.messages[ element.name ] ) {
1444				this.settings.messages[ element.name ] = {};
1445			}
1446			previous.originalMessage = previous.originalMessage || this.settings.messages[ element.name ][ method ];
1447			this.settings.messages[ element.name ][ method ] = previous.message;
1448
1449			param = typeof param === "string" && { url: param } || param;
1450			optionDataString = $.param( $.extend( { data: value }, param.data ) );
1451			if ( previous.old === optionDataString ) {
1452				return previous.valid;
1453			}
1454
1455			previous.old = optionDataString;
1456			validator = this;