jquery.validate.js

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 * jQuery Validation Plugin v1.12.0

 *

 * http://jqueryvalidation.org/

 *

 * Copyright (c) 2014 Jörn Zaefferer

 * Released under the MIT license

 */

(function($) {



$.extend($.fn, {

	// http://jqueryvalidation.org/validate/

	validate: function( options ) {



		// if nothing is selected, return nothing; can't chain anyway

		if ( !this.length ) {

			if ( options && options.debug && window.console ) {

				console.warn( "Nothing selected, can't validate, returning nothing." );

			}

			return;

		}



		// check if a validator for this form was already created

		var validator = $.data( this[0], "validator" );

		if ( validator ) {

			return validator;

		}



		// Add novalidate tag if HTML5.

		this.attr( "novalidate", "novalidate" );



		validator = new $.validator( options, this[0] );

		$.data( this[0], "validator", validator );



		if ( validator.settings.onsubmit ) {



			this.validateDelegate( ":submit", "click", function( event ) {

				if ( validator.settings.submitHandler ) {

					validator.submitButton = event.target;

				}

				// allow suppressing validation by adding a cancel class to the submit button

				if ( $(event.target).hasClass("cancel") ) {

					validator.cancelSubmit = true;

				}



				// allow suppressing validation by adding the html5 formnovalidate attribute to the submit button

				if ( $(event.target).attr("formnovalidate") !== undefined ) {

					validator.cancelSubmit = true;

				}

			});



			// validate the form on submit

			this.submit( function( event ) {

				if ( validator.settings.debug ) {

					// prevent form submit to be able to see console output

					event.preventDefault();

				}

				function handle() {

					var hidden;

					if ( validator.settings.submitHandler ) {

						if ( validator.submitButton ) {

							// insert a hidden input as a replacement for the missing submit button

							hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val( $(validator.submitButton).val() ).appendTo(validator.currentForm);

						}

						validator.settings.submitHandler.call( validator, validator.currentForm, event );

						if ( validator.submitButton ) {

							// and clean up afterwards; thanks to no-block-scope, hidden can be referenced

							hidden.remove();

						}

						return false;

					}

					return true;

				}



				// prevent submit for invalid forms or custom submit handlers

				if ( validator.cancelSubmit ) {

					validator.cancelSubmit = false;

					return handle();

				}

				if ( validator.form() ) {

					if ( validator.pendingRequest ) {

						validator.formSubmitted = true;

						return false;

					}

					return handle();

				} else {

					validator.focusInvalid();

					return false;

				}

			});

		}



		return validator;

	},

	// http://jqueryvalidation.org/valid/

	valid: function() {

		var valid, validator;



		if ( $(this[0]).is("form")) {

			valid = this.validate().form();

		} else {

			valid = true;

			validator = $(this[0].form).validate();

			this.each(function() {

				valid = validator.element(this) && valid;

			});

		}

		return valid;

	},

	// attributes: space separated list of attributes to retrieve and remove

	removeAttrs: function( attributes ) {

		var result = {},

			$element = this;

		$.each(attributes.split(/\s/), function( index, value ) {

			result[value] = $element.attr(value);

			$element.removeAttr(value);

		});

		return result;

	},

	// http://jqueryvalidation.org/rules/

	rules: function( command, argument ) {

		var element = this[0],

			settings, staticRules, existingRules, data, param, filtered;



		if ( command ) {

			settings = $.data(element.form, "validator").settings;

			staticRules = settings.rules;

			existingRules = $.validator.staticRules(element);

			switch (command) {

			case "add":

				$.extend(existingRules, $.validator.normalizeRule(argument));

				// remove messages from rules, but allow them to be set separately

				delete existingRules.messages;

				staticRules[element.name] = existingRules;

				if ( argument.messages ) {

					settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );

				}

				break;

			case "remove":

				if ( !argument ) {

					delete staticRules[element.name];

					return existingRules;

				}

				filtered = {};

				$.each(argument.split(/\s/), function( index, method ) {

					filtered[method] = existingRules[method];

					delete existingRules[method];

					if ( method === "required" ) {

						$(element).removeAttr("aria-required");

					}

				});

				return filtered;

			}

		}



		data = $.validator.normalizeRules(

		$.extend(

			{},

			$.validator.classRules(element),

			$.validator.attributeRules(element),

			$.validator.dataRules(element),

			$.validator.staticRules(element)

		), element);



		// make sure required is at front

		if ( data.required ) {

			param = data.required;

			delete data.required;

			data = $.extend({ required: param }, data );

			$(element).attr( "aria-required", "true" );

		}



		// make sure remote is at back

		if ( data.remote ) {

			param = data.remote;

			delete data.remote;

			data = $.extend( data, { remote: param });

		}



		return data;

	}

});



// Custom selectors

$.extend($.expr[":"], {

	// http://jqueryvalidation.org/blank-selector/

	blank: function( a ) { return !$.trim("" + $(a).val()); },

	// http://jqueryvalidation.org/filled-selector/

	filled: function( a ) { return !!$.trim("" + $(a).val()); },

	// http://jqueryvalidation.org/unchecked-selector/

	unchecked: function( a ) { return !$(a).prop("checked"); }

});



// constructor for validator

$.validator = function( options, form ) {

	this.settings = $.extend( true, {}, $.validator.defaults, options );

	this.currentForm = form;

	this.init();

};



// http://jqueryvalidation.org/jQuery.validator.format/

$.validator.format = function( source, params ) {

	if ( arguments.length === 1 ) {

		return function() {

			var args = $.makeArray(arguments);

			args.unshift(source);

			return $.validator.format.apply( this, args );

		};

	}

	if ( arguments.length > 2 && params.constructor !== Array  ) {

		params = $.makeArray(arguments).slice(1);

	}

	if ( params.constructor !== Array ) {

		params = [ params ];

	}

	$.each(params, function( i, n ) {

		source = source.replace( new RegExp("\\{" + i + "\\}", "g"), function() {

			return n;

		});

	});

	return source;

};



$.extend($.validator, {



	defaults: {

		messages: {},

		groups: {},

		rules: {},

		errorClass: "error",

		validClass: "valid",

		errorElement: "label",

		focusInvalid: true,

		errorContainer: $([]),

		errorLabelContainer: $([]),

		onsubmit: true,

		ignore: ":hidden",

		ignoreTitle: false,

		onfocusin: function( element ) {

			this.lastActive = element;



			// hide error label and remove error class on focus if enabled

			if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {

				if ( this.settings.unhighlight ) {

					this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );

				}

				this.addWrapper(this.errorsFor(element)).hide();

			}

		},

		onfocusout: function( element ) {

			if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {

				this.element(element);

			}

		},

		onkeyup: function( element, event ) {

			if ( event.which === 9 && this.elementValue(element) === "" ) {

				return;

			} else if ( element.name in this.submitted || element === this.lastElement ) {

				this.element(element);

			}

		},

		onclick: function( element ) {

			// click on selects, radiobuttons and checkboxes

			if ( element.name in this.submitted ) {

				this.element(element);



			// or option elements, check parent select in that case

			} else if ( element.parentNode.name in this.submitted ) {

				this.element(element.parentNode);

			}

		},

		highlight: function( element, errorClass, validClass ) {

			if ( element.type === "radio" ) {

				this.findByName(element.name).addClass(errorClass).removeClass(validClass);

			} else {

				$(element).addClass(errorClass).removeClass(validClass);

			}

		},

		unhighlight: function( element, errorClass, validClass ) {

			if ( element.type === "radio" ) {

				this.findByName(element.name).removeClass(errorClass).addClass(validClass);

			} else {

				$(element).removeClass(errorClass).addClass(validClass);

			}

		}

	},



	// http://jqueryvalidation.org/jQuery.validator.setDefaults/

	setDefaults: function( settings ) {

		$.extend( $.validator.defaults, settings );

	},



	messages: {

		required: "This field is required.",

		remote: "Please fix this field.",

		email: "Please enter a valid email address.",

		url: "Please enter a valid URL.",

		date: "Please enter a valid date.",

		dateISO: "Please enter a valid date (ISO).",

		number: "Please enter a valid number.",

		digits: "Please enter only digits.",

		creditcard: "Please enter a valid credit card number.",

		equalTo: "Please enter the same value again.",

		maxlength: $.validator.format("Please enter no more than {0} characters."),

		minlength: $.validator.format("Please enter at least {0} characters."),

		rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),

		range: $.validator.format("Please enter a value between {0} and {1}."),

		max: $.validator.format("Please enter a value less than or equal to {0}."),

		min: $.validator.format("Please enter a value greater than or equal to {0}.")

	},



	autoCreateRanges: false,



	prototype: {



		init: function() {

			this.labelContainer = $(this.settings.errorLabelContainer);

			this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);

			this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );

			this.submitted = {};

			this.valueCache = {};

			this.pendingRequest = 0;

			this.pending = {};

			this.invalid = {};

			this.reset();



			var groups = (this.groups = {}),

				rules;

			$.each(this.settings.groups, function( key, value ) {

				if ( typeof value === "string" ) {

					value = value.split(/\s/);

				}

				$.each(value, function( index, name ) {

					groups[name] = key;

				});

			});

			rules = this.settings.rules;

			$.each(rules, function( key, value ) {

				rules[key] = $.validator.normalizeRule(value);

			});



			function delegate(event) {

				var validator = $.data(this[0].form, "validator"),

					eventType = "on" + event.type.replace(/^validate/, ""),

					settings = validator.settings;

				if ( settings[eventType] && !this.is( settings.ignore ) ) {

					settings[eventType].call(validator, this[0], event);

				}

			}

			$(this.currentForm)

				.validateDelegate(":text, [type='password'], [type='file'], select, textarea, " +

					"[type='number'], [type='search'] ,[type='tel'], [type='url'], " +

					"[type='email'], [type='datetime'], [type='date'], [type='month'], " +

					"[type='week'], [type='time'], [type='datetime-local'], " +

					"[type='range'], [type='color'] ",

					"focusin focusout keyup", delegate)

				.validateDelegate("[type='radio'], [type='checkbox'], select, option", "click", delegate);



			if ( this.settings.invalidHandler ) {

				$(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);

			}



			// Add aria-required to any Static/Data/Class required fields before first validation

			// Screen readers require this attribute to be present before the initial submission http://www.w3.org/TR/WCAG-TECHS/ARIA2.html

			$(this.currentForm).find("[required], [data-rule-required], .required").attr("aria-required", "true");

		},



		// http://jqueryvalidation.org/Validator.form/

		form: function() {

			this.checkForm();

			$.extend(this.submitted, this.errorMap);

			this.invalid = $.extend({}, this.errorMap);

			if ( !this.valid() ) {

				$(this.currentForm).triggerHandler("invalid-form", [ this ]);

			}

			this.showErrors();

			return this.valid();

		},



		checkForm: function() {

			this.prepareForm();

			for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {

				this.check( elements[i] );

			}

			return this.valid();

		},



		// http://jqueryvalidation.org/Validator.element/

		element: function( element ) {

			var cleanElement = this.clean( element ),

				checkElement = this.validationTargetFor( cleanElement ),

				result = true;



			this.lastElement = checkElement;



			if ( checkElement === undefined ) {

				delete this.invalid[ cleanElement.name ];

			} else {

				this.prepareElement( checkElement );

				this.currentElements = $( checkElement );



				result = this.check( checkElement ) !== false;

				if (result) {

					delete this.invalid[checkElement.name];

				} else {

					this.invalid[checkElement.name] = true;

				}

			}

			// Add aria-invalid status for screen readers

			$( element ).attr( "aria-invalid", !result );



			if ( !this.numberOfInvalids() ) {

				// Hide error containers on last error

				this.toHide = this.toHide.add( this.containers );

			}

			this.showErrors();

			return result;

		},



		// http://jqueryvalidation.org/Validator.showErrors/

		showErrors: function( errors ) {

			if ( errors ) {

				// add items to error list and map

				$.extend( this.errorMap, errors );

				this.errorList = [];

				for ( var name in errors ) {

					this.errorList.push({

						message: errors[name],

						element: this.findByName(name)[0]

					});

				}

				// remove items from success list

				this.successList = $.grep( this.successList, function( element ) {

					return !(element.name in errors);

				});

			}

			if ( this.settings.showErrors ) {

				this.settings.showErrors.call( this, this.errorMap, this.errorList );

			} else {

				this.defaultShowErrors();

			}

		},



		// http://jqueryvalidation.org/Validator.resetForm/

		resetForm: function() {

			if ( $.fn.resetForm ) {

				$(this.currentForm).resetForm();

			}

			this.submitted = {};

			this.lastElement = null;

			this.prepareForm();

			this.hideErrors();

			this.elements()

					.removeClass( this.settings.errorClass )

					.removeData( "previousValue" )

					.removeAttr( "aria-invalid" );

		},



		numberOfInvalids: function() {

			return this.objectLength(this.invalid);

		},



		objectLength: function( obj ) {

			/* jshint unused: false */

			var count = 0,

				i;

			for ( i in obj ) {

				count++;

			}

			return count;

		},



		hideErrors: function() {

			this.addWrapper( this.toHide ).hide();

		},



		valid: function() {

			return this.size() === 0;

		},



		size: function() {

			return this.errorList.length;

		},



		focusInvalid: function() {

			if ( this.settings.focusInvalid ) {

				try {

					$(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])

					.filter(":visible")

					.focus()

					// manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find

					.trigger("focusin");

				} catch(e) {

					// ignore IE throwing errors when focusing hidden elements

				}

			}

		},



		findLastActive: function() {

			var lastActive = this.lastActive;

			return lastActive && $.grep(this.errorList, function( n ) {

				return n.element.name === lastActive.name;

			}).length === 1 && lastActive;

		},



		elements: function() {

			var validator = this,

				rulesCache = {};



			// select all valid inputs inside the form (no submit or reset buttons)

			return $(this.currentForm)

			.find("input, select, textarea")

			.not(":submit, :reset, :image, [disabled]")

			.not( this.settings.ignore )

			.filter(function() {

				if ( !this.name && validator.settings.debug && window.console ) {

					console.error( "%o has no name assigned", this);

				}



				// select only the first element for each name, and only those with rules specified

				if ( this.name in rulesCache || !validator.objectLength($(this).rules()) ) {

					return false;

				}



				rulesCache[this.name] = true;

				return true;

			});

		},



		clean: function( selector ) {

			return $(selector)[0];

		},



		errors: function() {

			var errorClass = this.settings.errorClass.split(" ").join(".");

			return $(this.settings.errorElement + "." + errorClass, this.errorContext);

		},



		reset: function() {

			this.successList = [];

			this.errorList = [];

			this.errorMap = {};

			this.toShow = $([]);

			this.toHide = $([]);

			this.currentElements = $([]);

		},



		prepareForm: function() {

			this.reset();

			this.toHide = this.errors().add( this.containers );

		},



		prepareElement: function( element ) {

			this.reset();

			this.toHide = this.errorsFor(element);

		},



		elementValue: function( element ) {

			var val,

				$element = $(element),

				type = $element.attr("type");



			if ( type === "radio" || type === "checkbox" ) {

				return $("input[name='" + $element.attr("name") + "']:checked").val();

			}



			val = $element.val();

			if ( typeof val === "string" ) {

				return val.replace(/\r/g, "");

			}

			return val;

		},



		check: function( element ) {

			element = this.validationTargetFor( this.clean( element ) );



			var rules = $(element).rules(),

				rulesCount = $.map( rules, function(n, i) {

					return i;

				}).length,

				dependencyMismatch = false,

				val = this.elementValue(element),

				result, method, rule;



			for (method in rules ) {

				rule = { method: method, parameters: rules[method] };

				try {



					result = $.validator.methods[method].call( this, val, element, rule.parameters );



					// if a method indicates that the field is optional and therefore valid,

					// don't mark it as valid when there are no other rules

					if ( result === "dependency-mismatch" && rulesCount === 1 ) {

						dependencyMismatch = true;

						continue;

					}

					dependencyMismatch = false;



					if ( result === "pending" ) {

						this.toHide = this.toHide.not( this.errorsFor(element) );

						return;

					}



					if ( !result ) {

						this.formatAndAdd( element, rule );

						return false;

					}

				} catch(e) {

					if ( this.settings.debug && window.console ) {

						console.log( "Exception occurred when checking element " + element.id + ", check the '" + rule.method + "' method.", e );

					}

					throw e;

				}

			}

			if ( dependencyMismatch ) {

				return;

			}

			if ( this.objectLength(rules) ) {

				this.successList.push(element);

			}

			return true;

		},



		// return the custom message for the given element and validation method

		// specified in the element's HTML5 data attribute

		// return the generic message if present and no method specific message is present

		customDataMessage: function( element, method ) {

			return $( element ).data( "msg" + method[ 0 ].toUpperCase() +

				method.substring( 1 ).toLowerCase() ) || $( element ).data("msg");

		},



		// return the custom message for the given element name and validation method

		customMessage: function( name, method ) {

			var m = this.settings.messages[name];

			return m && (m.constructor === String ? m : m[method]);

		},



		// return the first defined argument, allowing empty strings

		findDefined: function() {

			for (var i = 0; i < arguments.length; i++) {

				if ( arguments[i] !== undefined ) {

					return arguments[i];

				}

			}

			return undefined;

		},



		defaultMessage: function( element, method ) {

			return this.findDefined(

				this.customMessage( element.name, method ),

				this.customDataMessage( element, method ),

				// title is never undefined, so handle empty string as undefined

				!this.settings.ignoreTitle && element.title || undefined,

				$.validator.messages[method],

				"<strong>Warning: No message defined for " + element.name + "</strong>"

			);

		},



		formatAndAdd: function( element, rule ) {

			var message = this.defaultMessage( element, rule.method ),

				theregex = /\$?\{(\d+)\}/g;

			if ( typeof message === "function" ) {

				message = message.call(this, rule.parameters, element);

			} else if (theregex.test(message)) {

				message = $.validator.format(message.replace(theregex, "{$1}"), rule.parameters);

			}

			this.errorList.push({

				message: message,

				element: element,

				method: rule.method

			});



			this.errorMap[element.name] = message;

			this.submitted[element.name] = message;

		},



		addWrapper: function( toToggle ) {

			if ( this.settings.wrapper ) {

				toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );

			}

			return toToggle;

		},



		defaultShowErrors: function() {

			var i, elements, error;

			for ( i = 0; this.errorList[i]; i++ ) {

				error = this.errorList[i];

				if ( this.settings.highlight ) {

					this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );

				}

				this.showLabel( error.element, error.message );

			}

			if ( this.errorList.length ) {

				this.toShow = this.toShow.add( this.containers );

			}

			if ( this.settings.success ) {

				for ( i = 0; this.successList[i]; i++ ) {

					this.showLabel( this.successList[i] );

				}

			}

			if ( this.settings.unhighlight ) {

				for ( i = 0, elements = this.validElements(); elements[i]; i++ ) {

					this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );

				}

			}

			this.toHide = this.toHide.not( this.toShow );

			this.hideErrors();

			this.addWrapper( this.toShow ).show();

		},



		validElements: function() {

			return this.currentElements.not(this.invalidElements());

		},



		invalidElements: function() {

			return $(this.errorList).map(function() {

				return this.element;

			});

		},



		showLabel: function( element, message ) {

			var label = this.errorsFor( element );

			if ( label.length ) {

				// refresh error/success class

				label.removeClass( this.settings.validClass ).addClass( this.settings.errorClass );

				// replace message on existing label

				label.html(message);

			} else {

				// create label

				label = $("<" + this.settings.errorElement + ">")

					.attr("for", this.idOrName(element))

					.addClass(this.settings.errorClass)

					.html(message || "");

				if ( this.settings.wrapper ) {

					// make sure the element is visible, even in IE

					// actually showing the wrapped element is handled elsewhere

					label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();

				}

				if ( !this.labelContainer.append(label).length ) {

					if ( this.settings.errorPlacement ) {

						this.settings.errorPlacement(label, $(element) );

					} else {

						label.insertAfter(element);

					}

				}

			}

			if ( !message && this.settings.success ) {

				label.text("");

				if ( typeof this.settings.success === "string" ) {

					label.addClass( this.settings.success );

				} else {

					this.settings.success( label, element );

				}

			}

			this.toShow = this.toShow.add(label);

		},



		errorsFor: function( element ) {

			var name = this.idOrName(element);

			return this.errors().filter(function() {

				return $(this).attr("for") === name;

			});

		},



		idOrName: function( element ) {

			return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);

		},



		validationTargetFor: function( element ) {

			// if radio/checkbox, validate first element in group instead

			if ( this.checkable(element) ) {

				element = this.findByName( element.name ).not(this.settings.ignore)[0];

			}

			return element;

		},



		checkable: function( element ) {

			return (/radio|checkbox/i).test(element.type);

		},



		findByName: function( name ) {

			return $(this.currentForm).find("[name='" + name + "']");

		},



		getLength: function( value, element ) {

			switch ( element.nodeName.toLowerCase() ) {

			case "select":

				return $("option:selected", element).length;

			case "input":

				if ( this.checkable( element) ) {

					return this.findByName(element.name).filter(":checked").length;

				}

			}

			return value.length;

		},



		depend: function( param, element ) {

			return this.dependTypes[typeof param] ? this.dependTypes[typeof param](param, element) : true;

		},



		dependTypes: {

			"boolean": function( param ) {

				return param;

			},

			"string": function( param, element ) {

				return !!$(param, element.form).length;

			},

			"function": function( param, element ) {

				return param(element);

			}

		},



		optional: function( element ) {

			var val = this.elementValue(element);

			return !$.validator.methods.required.call(this, val, element) && "dependency-mismatch";

		},



		startRequest: function( element ) {

			if ( !this.pending[element.name] ) {

				this.pendingRequest++;

				this.pending[element.name] = true;

			}

		},



		stopRequest: function( element, valid ) {

			this.pendingRequest--;

			// sometimes synchronization fails, make sure pendingRequest is never < 0

			if ( this.pendingRequest < 0 ) {

				this.pendingRequest = 0;

			}

			delete this.pending[element.name];

			if ( valid && this.pendingRequest === 0 && this.formSubmitted && this.form() ) {

				$(this.currentForm).submit();

				this.formSubmitted = false;

			} else if (!valid && this.pendingRequest === 0 && this.formSubmitted) {

				$(this.currentForm).triggerHandler("invalid-form", [ this ]);

				this.formSubmitted = false;

			}

		},



		previousValue: function( element ) {

			return $.data(element, "previousValue") || $.data(element, "previousValue", {

				old: null,

				valid: true,

				message: this.defaultMessage( element, "remote" )

			});

		}



	},



	classRuleSettings: {

		required: { required: true },

		email: { email: true },

		url: { url: true },

		date: { date: true },

		dateISO: { dateISO: true },

		number: { number: true },

		digits: { digits: true },

		creditcard: { creditcard: true }

	},



	addClassRules: function( className, rules ) {

		if ( className.constructor === String ) {

			this.classRuleSettings[className] = rules;

		} else {

			$.extend(this.classRuleSettings, className);

		}

	},



	classRules: function( element ) {

		var rules = {},

			classes = $(element).attr("class");



		if ( classes ) {

			$.each(classes.split(" "), function() {

				if ( this in $.validator.classRuleSettings ) {

					$.extend(rules, $.validator.classRuleSettings[this]);

				}

			});

		}

		return rules;

	},



	attributeRules: function( element ) {

		var rules = {},

			$element = $(element),

			type = element.getAttribute("type"),

			method, value;



		for (method in $.validator.methods) {



			// support for <input required> in both html5 and older browsers

			if ( method === "required" ) {

				value = element.getAttribute(method);

				// Some browsers return an empty string for the required attribute

				// and non-HTML5 browsers might have required="" markup

				if ( value === "" ) {

					value = true;

				}

				// force non-HTML5 browsers to return bool

				value = !!value;

			} else {

				value = $element.attr(method);

			}



			// convert the value to a number for number inputs, and for text for backwards compability

			// allows type="date" and others to be compared as strings

			if ( /min|max/.test( method ) && ( type === null || /number|range|text/.test( type ) ) ) {

				value = Number(value);

			}



			if ( value || value === 0 ) {

				rules[method] = value;

			} else if ( type === method && type !== "range" ) {

				// exception: the jquery validate 'range' method

				// does not test for the html5 'range' type

				rules[method] = true;

			}

		}



		// maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs

		if ( rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength) ) {

			delete rules.maxlength;

		}



		return rules;

	},



	dataRules: function( element ) {

		var method, value,

			rules = {}, $element = $( element );

		for ( method in $.validator.methods ) {

			value = $element.data( "rule" + method[ 0 ].toUpperCase() + method.substring( 1 ).toLowerCase() );

			if ( value !== undefined ) {

				rules[ method ] = value;

			}

		}

		return rules;

	},



	staticRules: function( element ) {

		var rules = {},

			validator = $.data(element.form, "validator");



		if ( validator.settings.rules ) {

			rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};

		}

		return rules;

	},



	normalizeRules: function( rules, element ) {

		// handle dependency check

		$.each(rules, function( prop, val ) {

			// ignore rule when param is explicitly false, eg. required:false

			if ( val === false ) {

				delete rules[prop];

				return;

			}

			if ( val.param || val.depends ) {

				var keepRule = true;

				switch (typeof val.depends) {

				case "string":

					keepRule = !!$(val.depends, element.form).length;

					break;

				case "function":

					keepRule = val.depends.call(element, element);

					break;

				}

				if ( keepRule ) {

					rules[prop] = val.param !== undefined ? val.param : true;

				} else {

					delete rules[prop];

				}

			}

		});



		// evaluate parameters

		$.each(rules, function( rule, parameter ) {

			rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;

		});



		// clean number parameters

		$.each([ "minlength", "maxlength" ], function() {

			if ( rules[this] ) {

				rules[this] = Number(rules[this]);

			}

		});

		$.each([ "rangelength", "range" ], function() {

			var parts;

			if ( rules[this] ) {

				if ( $.isArray(rules[this]) ) {

					rules[this] = [ Number(rules[this][0]), Number(rules[this][1]) ];

				} else if ( typeof rules[this] === "string" ) {

					parts = rules[this].split(/[\s,]+/);

					rules[this] = [ Number(parts[0]), Number(parts[1]) ];

				}

			}

		});



		if ( $.validator.autoCreateRanges ) {

			// auto-create ranges

			if ( rules.min && rules.max ) {

				rules.range = [ rules.min, rules.max ];

				delete rules.min;

				delete rules.max;

			}

			if ( rules.minlength && rules.maxlength ) {

				rules.rangelength = [ rules.minlength, rules.maxlength ];

				delete rules.minlength;

				delete rules.maxlength;

			}

		}



		return rules;

	},



	// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}

	normalizeRule: function( data ) {

		if ( typeof data === "string" ) {

			var transformed = {};

			$.each(data.split(/\s/), function() {

				transformed[this] = true;

			});

			data = transformed;

		}

		return data;

	},



	// http://jqueryvalidation.org/jQuery.validator.addMethod/

	addMethod: function( name, method, message ) {

		$.validator.methods[name] = method;

		$.validator.messages[name] = message !== undefined ? message : $.validator.messages[name];

		if ( method.length < 3 ) {

			$.validator.addClassRules(name, $.validator.normalizeRule(name));

		}

	},



	methods: {



		// http://jqueryvalidation.org/required-method/

		required: function( value, element, param ) {

			// check if dependency is met

			if ( !this.depend(param, element) ) {

				return "dependency-mismatch";

			}

			if ( element.nodeName.toLowerCase() === "select" ) {

				// could be an array for select-multiple or a string, both are fine this way

				var val = $(element).val();

				return val && val.length > 0;

			}

			if ( this.checkable(element) ) {

				return this.getLength(value, element) > 0;

			}

			return $.trim(value).length > 0;

		},



		// http://jqueryvalidation.org/email-method/

		email: function( value, element ) {

			// From http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#e-mail-state-%28type=email%29

			// Retrieved 2014-01-14

			// If you have a problem with this implementation, report a bug against the above spec

			// Or use custom methods to implement your own email validation

			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);

		},



		// http://jqueryvalidation.org/url-method/

		url: function( value, element ) {

			// contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/

			return this.optional(element) || /^(https?|s?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);

		},



		// http://jqueryvalidation.org/date-method/

		date: function( value, element ) {

			return this.optional(element) || !/Invalid|NaN/.test(new Date(value).toString());

		},



		// http://jqueryvalidation.org/dateISO-method/

		dateISO: function( value, element ) {

			return this.optional(element) || /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/.test(value);

		},



		// http://jqueryvalidation.org/number-method/

		number: function( value, element ) {

			return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value);

		},



		// http://jqueryvalidation.org/digits-method/

		digits: function( value, element ) {

			return this.optional(element) || /^\d+$/.test(value);

		},



		// http://jqueryvalidation.org/creditcard-method/

		// based on http://en.wikipedia.org/wiki/Luhn/

		creditcard: function( value, element ) {

			if ( this.optional(element) ) {

				return "dependency-mismatch";

			}

			// accept only spaces, digits and dashes

			if ( /[^0-9 \-]+/.test(value) ) {

				return false;

			}

			var nCheck = 0,

				nDigit = 0,

				bEven = false,

				n, cDigit;



			value = value.replace(/\D/g, "");



			// Basing min and max length on

			// http://developer.ean.com/general_info/Valid_Credit_Card_Types

			if ( value.length < 13 || value.length > 19 ) {

				return false;

			}



			for ( n = value.length - 1; n >= 0; n--) {

				cDigit = value.charAt(n);

				nDigit = parseInt(cDigit, 10);

				if ( bEven ) {

					if ( (nDigit *= 2) > 9 ) {

						nDigit -= 9;

					}

				}

				nCheck += nDigit;

				bEven = !bEven;

			}



			return (nCheck % 10) === 0;

		},



		// http://jqueryvalidation.org/minlength-method/

		minlength: function( value, element, param ) {

			var length = $.isArray( value ) ? value.length : this.getLength($.trim(value), element);

			return this.optional(element) || length >= param;

		},



		// http://jqueryvalidation.org/maxlength-method/

		maxlength: function( value, element, param ) {

			var length = $.isArray( value ) ? value.length : this.getLength($.trim(value), element);

			return this.optional(element) || length <= param;

		},



		// http://jqueryvalidation.org/rangelength-method/

		rangelength: function( value, element, param ) {

			var length = $.isArray( value ) ? value.length : this.getLength($.trim(value), element);

			return this.optional(element) || ( length >= param[0] && length <= param[1] );

		},



		// http://jqueryvalidation.org/min-method/

		min: function( value, element, param ) {

			return this.optional(element) || value >= param;

		},



		// http://jqueryvalidation.org/max-method/

		max: function( value, element, param ) {

			return this.optional(element) || value <= param;

		},



		// http://jqueryvalidation.org/range-method/

		range: function( value, element, param ) {

			return this.optional(element) || ( value >= param[0] && value <= param[1] );

		},



		// http://jqueryvalidation.org/equalTo-method/

		equalTo: function( value, element, param ) {

			// bind to the blur event of the target in order to revalidate whenever the target field is updated

			// TODO find a way to bind the event just once, avoiding the unbind-rebind overhead

			var target = $(param);

			if ( this.settings.onfocusout ) {

				target.unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {

					$(element).valid();

				});

			}

			return value === target.val();

		},



		// http://jqueryvalidation.org/remote-method/

		remote: function( value, element, param ) {

			if ( this.optional(element) ) {

				return "dependency-mismatch";

			}



			var previous = this.previousValue(element),

				validator, data;



			if (!this.settings.messages[element.name] ) {

				this.settings.messages[element.name] = {};

			}

			previous.originalMessage = this.settings.messages[element.name].remote;

			this.settings.messages[element.name].remote = previous.message;



			param = typeof param === "string" && { url: param } || param;



			if ( previous.old === value ) {

				return previous.valid;

			}



			previous.old = value;

			validator = this;

			this.startRequest(element);

			data = {};

			data[element.name] = value;

			$.ajax($.extend(true, {

				url: param,

				mode: "abort",

				port: "validate" + element.name,

				dataType: "json",

				data: data,

				context: validator.currentForm,

				success: function( response ) {

					var valid = response === true || response === "true",

						errors, message, submitted;



					validator.settings.messages[element.name].remote = previous.originalMessage;

					if ( valid ) {

						submitted = validator.formSubmitted;

						validator.prepareElement(element);

						validator.formSubmitted = submitted;

						validator.successList.push(element);

						delete validator.invalid[element.name];

						validator.showErrors();

					} else {

						errors = {};

						message = response || validator.defaultMessage( element, "remote" );

						errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;

						validator.invalid[element.name] = true;

						validator.showErrors(errors);

					}

					previous.valid = valid;

					validator.stopRequest(element, valid);

				}

			}, param));

			return "pending";

		}



	}



});



$.format = function deprecated() {

	throw "$.format has been deprecated. Please use $.validator.format instead.";

};



}(jQuery));



// ajax mode: abort

// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});

// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()

(function($) {

	var pendingRequests = {},

		ajax;

	// Use a prefilter if available (1.5+)

	if ( $.ajaxPrefilter ) {

		$.ajaxPrefilter(function( settings, _, xhr ) {

			var port = settings.port;

			if ( settings.mode === "abort" ) {

				if ( pendingRequests[port] ) {

					pendingRequests[port].abort();

				}

				pendingRequests[port] = xhr;

			}

		});

	} else {

		// Proxy ajax

		ajax = $.ajax;

		$.ajax = function( settings ) {

			var mode = ( "mode" in settings ? settings : $.ajaxSettings ).mode,

				port = ( "port" in settings ? settings : $.ajaxSettings ).port;

			if ( mode === "abort" ) {

				if ( pendingRequests[port] ) {

					pendingRequests[port].abort();

				}

				pendingRequests[port] = ajax.apply(this, arguments);

				return pendingRequests[port];

			}

			return ajax.apply(this, arguments);

		};

	}

}(jQuery));



// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation

// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target

(function($) {

	$.extend($.fn, {

		validateDelegate: function( delegate, type, handler ) {

			return this.bind(type, function( event ) {

				var target = $(event.target);

				if ( target.is(delegate) ) {

					return handler.apply(target, arguments);

				}

			});

		}

	});

}(jQuery));