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367 lines
16 KiB
367 lines
16 KiB
/*!
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** Unobtrusive validation support library for jQuery and jQuery Validate
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** Copyright (C) Microsoft Corporation. All rights reserved.
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*/
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/*jslint white: true, browser: true, onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: false */
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/*global document: false, jQuery: false */
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(function ($) {
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var $jQval = $.validator,
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adapters,
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data_validation = "unobtrusiveValidation";
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function setValidationValues(options, ruleName, value) {
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options.rules[ruleName] = value;
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if (options.message) {
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options.messages[ruleName] = options.message;
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}
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}
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function splitAndTrim(value) {
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return value.replace(/^\s+|\s+$/g, "").split(/\s*,\s*/g);
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}
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function escapeAttributeValue(value) {
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// As mentioned on http://api.jquery.com/category/selectors/
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return value.replace(/([!"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~])/g, "\\$1");
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}
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function getModelPrefix(fieldName) {
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return fieldName.substr(0, fieldName.lastIndexOf(".") + 1);
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}
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function appendModelPrefix(value, prefix) {
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if (value.indexOf("*.") === 0) {
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value = value.replace("*.", prefix);
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}
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return value;
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}
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function onError(error, inputElement) { // 'this' is the form element
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var container = $(this).find("[data-valmsg-for='" + escapeAttributeValue(inputElement[0].name) + "']"),
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replaceAttrValue = container.attr("data-valmsg-replace"),
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replace = replaceAttrValue ? $.parseJSON(replaceAttrValue) !== false : null;
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container.removeClass("field-validation-valid").addClass("field-validation-error");
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error.data("unobtrusiveContainer", container);
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if (replace) {
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container.empty();
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error.removeClass("input-validation-error").appendTo(container);
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}
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else {
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error.hide();
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}
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}
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function onErrors(event, validator) { // 'this' is the form element
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var container = $(this).find("[data-valmsg-summary=true]"),
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list = container.find("ul");
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if (list && list.length && validator.errorList.length) {
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list.empty();
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container.addClass("validation-summary-errors").removeClass("validation-summary-valid");
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$.each(validator.errorList, function () {
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$("<li />").html(this.message).appendTo(list);
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});
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}
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}
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function onSuccess(error) { // 'this' is the form element
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var container = error.data("unobtrusiveContainer"),
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replaceAttrValue = container.attr("data-valmsg-replace"),
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replace = replaceAttrValue ? $.parseJSON(replaceAttrValue) : null;
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if (container) {
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container.addClass("field-validation-valid").removeClass("field-validation-error");
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error.removeData("unobtrusiveContainer");
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if (replace) {
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container.empty();
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}
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}
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}
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function onReset(event) { // 'this' is the form element
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var $form = $(this);
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$form.data("validator").resetForm();
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$form.find(".validation-summary-errors")
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.addClass("validation-summary-valid")
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.removeClass("validation-summary-errors");
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$form.find(".field-validation-error")
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.addClass("field-validation-valid")
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.removeClass("field-validation-error")
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.removeData("unobtrusiveContainer")
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.find(">*") // If we were using valmsg-replace, get the underlying error
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.removeData("unobtrusiveContainer");
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}
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function validationInfo(form) {
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var $form = $(form),
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result = $form.data(data_validation),
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onResetProxy = $.proxy(onReset, form);
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if (!result) {
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result = {
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options: { // options structure passed to jQuery Validate's validate() method
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errorClass: "input-validation-error",
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errorElement: "span",
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errorPlacement: $.proxy(onError, form),
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invalidHandler: $.proxy(onErrors, form),
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messages: {},
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rules: {},
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success: $.proxy(onSuccess, form)
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},
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attachValidation: function () {
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$form
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.unbind("reset." + data_validation, onResetProxy)
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.bind("reset." + data_validation, onResetProxy)
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.validate(this.options);
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},
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validate: function () { // a validation function that is called by unobtrusive Ajax
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$form.validate();
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return $form.valid();
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}
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};
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$form.data(data_validation, result);
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}
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return result;
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}
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$jQval.unobtrusive = {
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adapters: [],
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parseElement: function (element, skipAttach) {
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/// <summary>
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/// Parses a single HTML element for unobtrusive validation attributes.
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/// </summary>
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/// <param name="element" domElement="true">The HTML element to be parsed.</param>
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/// <param name="skipAttach" type="Boolean">[Optional] true to skip attaching the
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/// validation to the form. If parsing just this single element, you should specify true.
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/// If parsing several elements, you should specify false, and manually attach the validation
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/// to the form when you are finished. The default is false.</param>
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var $element = $(element),
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form = $element.parents("form")[0],
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valInfo, rules, messages;
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if (!form) { // Cannot do client-side validation without a form
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return;
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}
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valInfo = validationInfo(form);
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valInfo.options.rules[element.name] = rules = {};
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valInfo.options.messages[element.name] = messages = {};
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$.each(this.adapters, function () {
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var prefix = "data-val-" + this.name,
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message = $element.attr(prefix),
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paramValues = {};
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if (message !== undefined) { // Compare against undefined, because an empty message is legal (and falsy)
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prefix += "-";
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$.each(this.params, function () {
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paramValues[this] = $element.attr(prefix + this);
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});
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this.adapt({
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element: element,
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form: form,
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message: message,
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params: paramValues,
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rules: rules,
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messages: messages
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});
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}
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});
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$.extend(rules, { "__dummy__": true });
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if (!skipAttach) {
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valInfo.attachValidation();
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}
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},
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parse: function (selector) {
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/// <summary>
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/// Parses all the HTML elements in the specified selector. It looks for input elements decorated
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/// with the [data-val=true] attribute value and enables validation according to the data-val-*
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/// attribute values.
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/// </summary>
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/// <param name="selector" type="String">Any valid jQuery selector.</param>
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var $forms = $(selector)
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.parents("form")
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.andSelf()
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.add($(selector).find("form"))
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.filter("form");
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$(selector).find(":input[data-val=true]").each(function () {
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$jQval.unobtrusive.parseElement(this, true);
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});
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$forms.each(function () {
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var info = validationInfo(this);
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if (info) {
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info.attachValidation();
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}
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});
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}
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};
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adapters = $jQval.unobtrusive.adapters;
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adapters.add = function (adapterName, params, fn) {
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/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation.</summary>
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/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
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/// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
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/// <param name="params" type="Array" optional="true">[Optional] An array of parameter names (strings) that will
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/// be extracted from the data-val-nnnn-mmmm HTML attributes (where nnnn is the adapter name, and
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/// mmmm is the parameter name).</param>
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/// <param name="fn" type="Function">The function to call, which adapts the values from the HTML
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/// attributes into jQuery Validate rules and/or messages.</param>
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/// <returns type="jQuery.validator.unobtrusive.adapters" />
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if (!fn) { // Called with no params, just a function
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fn = params;
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params = [];
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}
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this.push({ name: adapterName, params: params, adapt: fn });
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return this;
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};
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adapters.addBool = function (adapterName, ruleName) {
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/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
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/// the jQuery Validate validation rule has no parameter values.</summary>
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/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
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/// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
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/// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
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/// of adapterName will be used instead.</param>
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/// <returns type="jQuery.validator.unobtrusive.adapters" />
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return this.add(adapterName, function (options) {
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setValidationValues(options, ruleName || adapterName, true);
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});
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};
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adapters.addMinMax = function (adapterName, minRuleName, maxRuleName, minMaxRuleName, minAttribute, maxAttribute) {
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/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
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/// the jQuery Validate validation has three potential rules (one for min-only, one for max-only, and
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/// one for min-and-max). The HTML parameters are expected to be named -min and -max.</summary>
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/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
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/// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
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/// <param name="minRuleName" type="String">The name of the jQuery Validate rule to be used when you only
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/// have a minimum value.</param>
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/// <param name="maxRuleName" type="String">The name of the jQuery Validate rule to be used when you only
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/// have a maximum value.</param>
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/// <param name="minMaxRuleName" type="String">The name of the jQuery Validate rule to be used when you
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/// have both a minimum and maximum value.</param>
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/// <param name="minAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
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/// contains the minimum value. The default is "min".</param>
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/// <param name="maxAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
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/// contains the maximum value. The default is "max".</param>
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/// <returns type="jQuery.validator.unobtrusive.adapters" />
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return this.add(adapterName, [minAttribute || "min", maxAttribute || "max"], function (options) {
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var min = options.params.min,
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max = options.params.max;
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if (min && max) {
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setValidationValues(options, minMaxRuleName, [min, max]);
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}
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else if (min) {
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setValidationValues(options, minRuleName, min);
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}
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else if (max) {
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setValidationValues(options, maxRuleName, max);
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}
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});
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};
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adapters.addSingleVal = function (adapterName, attribute, ruleName) {
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/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
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/// the jQuery Validate validation rule has a single value.</summary>
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/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
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/// in the data-val-nnnn HTML attribute(where nnnn is the adapter name).</param>
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/// <param name="attribute" type="String">[Optional] The name of the HTML attribute that contains the value.
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/// The default is "val".</param>
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/// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
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/// of adapterName will be used instead.</param>
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/// <returns type="jQuery.validator.unobtrusive.adapters" />
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return this.add(adapterName, [attribute || "val"], function (options) {
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setValidationValues(options, ruleName || adapterName, options.params[attribute]);
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});
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};
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$jQval.addMethod("__dummy__", function (value, element, params) {
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return true;
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});
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$jQval.addMethod("regex", function (value, element, params) {
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var match;
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if (this.optional(element)) {
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return true;
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}
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match = new RegExp(params).exec(value);
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return (match && (match.index === 0) && (match[0].length === value.length));
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});
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$jQval.addMethod("nonalphamin", function (value, element, nonalphamin) {
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var match;
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if (nonalphamin) {
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match = value.match(/\W/g);
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match = match && match.length >= nonalphamin;
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}
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return match;
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});
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adapters.addSingleVal("accept", "exts").addSingleVal("regex", "pattern");
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adapters.addBool("creditcard").addBool("date").addBool("digits").addBool("email").addBool("number").addBool("url");
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adapters.addMinMax("length", "minlength", "maxlength", "rangelength").addMinMax("range", "min", "max", "range");
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adapters.add("equalto", ["other"], function (options) {
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var prefix = getModelPrefix(options.element.name),
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other = options.params.other,
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fullOtherName = appendModelPrefix(other, prefix),
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element = $(options.form).find(":input[name='" + escapeAttributeValue(fullOtherName) + "']")[0];
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setValidationValues(options, "equalTo", element);
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});
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adapters.add("required", function (options) {
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// jQuery Validate equates "required" with "mandatory" for checkbox elements
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if (options.element.tagName.toUpperCase() !== "INPUT" || options.element.type.toUpperCase() !== "CHECKBOX") {
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setValidationValues(options, "required", true);
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}
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});
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adapters.add("remote", ["url", "type", "additionalfields"], function (options) {
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var value = {
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url: options.params.url,
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type: options.params.type || "GET",
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data: {}
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},
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prefix = getModelPrefix(options.element.name);
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$.each(splitAndTrim(options.params.additionalfields || options.element.name), function (i, fieldName) {
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var paramName = appendModelPrefix(fieldName, prefix);
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value.data[paramName] = function () {
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return $(options.form).find(":input[name='" + escapeAttributeValue(paramName) + "']").val();
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};
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});
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setValidationValues(options, "remote", value);
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});
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adapters.add("password", ["min", "nonalphamin", "regex"], function (options) {
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if (options.params.min) {
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setValidationValues(options, "minlength", options.params.min);
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}
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if (options.params.nonalphamin) {
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setValidationValues(options, "nonalphamin", options.params.nonalphamin);
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}
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if (options.params.regex) {
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setValidationValues(options, "regex", options.params.regex);
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}
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});
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$(function () {
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$jQval.unobtrusive.parse(document);
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});
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} (jQuery));
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