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-/**
- * @license AngularJS v1.5.0
- * (c) 2010-2016 Google, Inc. http://angularjs.org
- * License: MIT
- */
-(function(window, angular, undefined) {'use strict';
-
-/**
- * @ngdoc module
- * @name ngAria
- * @description
- *
- * The `ngAria` module provides support for common
- * [<abbr title="Accessible Rich Internet Applications">ARIA</abbr>](http://www.w3.org/TR/wai-aria/)
- * attributes that convey state or semantic information about the application for users
- * of assistive technologies, such as screen readers.
- *
- * <div doc-module-components="ngAria"></div>
- *
- * ## Usage
- *
- * For ngAria to do its magic, simply include the module `ngAria` as a dependency. The following
- * directives are supported:
- * `ngModel`, `ngChecked`, `ngRequired`, `ngValue`, `ngDisabled`, `ngShow`, `ngHide`, `ngClick`,
- * `ngDblClick`, and `ngMessages`.
- *
- * Below is a more detailed breakdown of the attributes handled by ngAria:
- *
- * | Directive | Supported Attributes |
- * |---------------------------------------------|----------------------------------------------------------------------------------------|
- * | {@link ng.directive:ngModel ngModel} | aria-checked, aria-valuemin, aria-valuemax, aria-valuenow, aria-invalid, aria-required, input roles |
- * | {@link ng.directive:ngDisabled ngDisabled} | aria-disabled |
- * | {@link ng.directive:ngRequired ngRequired} | aria-required |
- * | {@link ng.directive:ngChecked ngChecked} | aria-checked |
- * | {@link ng.directive:ngValue ngValue} | aria-checked |
- * | {@link ng.directive:ngShow ngShow} | aria-hidden |
- * | {@link ng.directive:ngHide ngHide} | aria-hidden |
- * | {@link ng.directive:ngDblclick ngDblclick} | tabindex |
- * | {@link module:ngMessages ngMessages} | aria-live |
- * | {@link ng.directive:ngClick ngClick} | tabindex, keypress event, button role |
- *
- * Find out more information about each directive by reading the
- * {@link guide/accessibility ngAria Developer Guide}.
- *
- * ##Example
- * Using ngDisabled with ngAria:
- * ```html
- * <md-checkbox ng-disabled="disabled">
- * ```
- * Becomes:
- * ```html
- * <md-checkbox ng-disabled="disabled" aria-disabled="true">
- * ```
- *
- * ##Disabling Attributes
- * It's possible to disable individual attributes added by ngAria with the
- * {@link ngAria.$ariaProvider#config config} method. For more details, see the
- * {@link guide/accessibility Developer Guide}.
- */
- /* global -ngAriaModule */
-var ngAriaModule = angular.module('ngAria', ['ng']).
- provider('$aria', $AriaProvider);
-
-/**
-* Internal Utilities
-*/
-var nodeBlackList = ['BUTTON', 'A', 'INPUT', 'TEXTAREA', 'SELECT', 'DETAILS', 'SUMMARY'];
-
-var isNodeOneOf = function(elem, nodeTypeArray) {
- if (nodeTypeArray.indexOf(elem[0].nodeName) !== -1) {
- return true;
- }
-};
-/**
- * @ngdoc provider
- * @name $ariaProvider
- *
- * @description
- *
- * Used for configuring the ARIA attributes injected and managed by ngAria.
- *
- * ```js
- * angular.module('myApp', ['ngAria'], function config($ariaProvider) {
- * $ariaProvider.config({
- * ariaValue: true,
- * tabindex: false
- * });
- * });
- *```
- *
- * ## Dependencies
- * Requires the {@link ngAria} module to be installed.
- *
- */
-function $AriaProvider() {
- var config = {
- ariaHidden: true,
- ariaChecked: true,
- ariaDisabled: true,
- ariaRequired: true,
- ariaInvalid: true,
- ariaValue: true,
- tabindex: true,
- bindKeypress: true,
- bindRoleForClick: true
- };
-
- /**
- * @ngdoc method
- * @name $ariaProvider#config
- *
- * @param {object} config object to enable/disable specific ARIA attributes
- *
- * - **ariaHidden** – `{boolean}` – Enables/disables aria-hidden tags
- * - **ariaChecked** – `{boolean}` – Enables/disables aria-checked tags
- * - **ariaDisabled** – `{boolean}` – Enables/disables aria-disabled tags
- * - **ariaRequired** – `{boolean}` – Enables/disables aria-required tags
- * - **ariaInvalid** – `{boolean}` – Enables/disables aria-invalid tags
- * - **ariaValue** – `{boolean}` – Enables/disables aria-valuemin, aria-valuemax and aria-valuenow tags
- * - **tabindex** – `{boolean}` – Enables/disables tabindex tags
- * - **bindKeypress** – `{boolean}` – Enables/disables keypress event binding on `div` and
- * `li` elements with ng-click
- * - **bindRoleForClick** – `{boolean}` – Adds role=button to non-interactive elements like `div`
- * using ng-click, making them more accessible to users of assistive technologies
- *
- * @description
- * Enables/disables various ARIA attributes
- */
- this.config = function(newConfig) {
- config = angular.extend(config, newConfig);
- };
-
- function watchExpr(attrName, ariaAttr, nodeBlackList, negate) {
- return function(scope, elem, attr) {
- var ariaCamelName = attr.$normalize(ariaAttr);
- if (config[ariaCamelName] && !isNodeOneOf(elem, nodeBlackList) && !attr[ariaCamelName]) {
- scope.$watch(attr[attrName], function(boolVal) {
- // ensure boolean value
- boolVal = negate ? !boolVal : !!boolVal;
- elem.attr(ariaAttr, boolVal);
- });
- }
- };
- }
- /**
- * @ngdoc service
- * @name $aria
- *
- * @description
- * @priority 200
- *
- * The $aria service contains helper methods for applying common
- * [ARIA](http://www.w3.org/TR/wai-aria/) attributes to HTML directives.
- *
- * ngAria injects common accessibility attributes that tell assistive technologies when HTML
- * elements are enabled, selected, hidden, and more. To see how this is performed with ngAria,
- * let's review a code snippet from ngAria itself:
- *
- *```js
- * ngAriaModule.directive('ngDisabled', ['$aria', function($aria) {
- * return $aria.$$watchExpr('ngDisabled', 'aria-disabled', nodeBlackList, false);
- * }])
- *```
- * Shown above, the ngAria module creates a directive with the same signature as the
- * traditional `ng-disabled` directive. But this ngAria version is dedicated to
- * solely managing accessibility attributes on custom elements. The internal `$aria` service is
- * used to watch the boolean attribute `ngDisabled`. If it has not been explicitly set by the
- * developer, `aria-disabled` is injected as an attribute with its value synchronized to the
- * value in `ngDisabled`.
- *
- * Because ngAria hooks into the `ng-disabled` directive, developers do not have to do
- * anything to enable this feature. The `aria-disabled` attribute is automatically managed
- * simply as a silent side-effect of using `ng-disabled` with the ngAria module.
- *
- * The full list of directives that interface with ngAria:
- * * **ngModel**
- * * **ngChecked**
- * * **ngRequired**
- * * **ngDisabled**
- * * **ngValue**
- * * **ngShow**
- * * **ngHide**
- * * **ngClick**
- * * **ngDblclick**
- * * **ngMessages**
- *
- * Read the {@link guide/accessibility ngAria Developer Guide} for a thorough explanation of each
- * directive.
- *
- *
- * ## Dependencies
- * Requires the {@link ngAria} module to be installed.
- */
- this.$get = function() {
- return {
- config: function(key) {
- return config[key];
- },
- $$watchExpr: watchExpr
- };
- };
-}
-
-
-ngAriaModule.directive('ngShow', ['$aria', function($aria) {
- return $aria.$$watchExpr('ngShow', 'aria-hidden', [], true);
-}])
-.directive('ngHide', ['$aria', function($aria) {
- return $aria.$$watchExpr('ngHide', 'aria-hidden', [], false);
-}])
-.directive('ngValue', ['$aria', function($aria) {
- return $aria.$$watchExpr('ngValue', 'aria-checked', nodeBlackList, false);
-}])
-.directive('ngChecked', ['$aria', function($aria) {
- return $aria.$$watchExpr('ngChecked', 'aria-checked', nodeBlackList, false);
-}])
-.directive('ngRequired', ['$aria', function($aria) {
- return $aria.$$watchExpr('ngRequired', 'aria-required', nodeBlackList, false);
-}])
-.directive('ngModel', ['$aria', function($aria) {
-
- function shouldAttachAttr(attr, normalizedAttr, elem, allowBlacklistEls) {
- return $aria.config(normalizedAttr) && !elem.attr(attr) && (allowBlacklistEls || !isNodeOneOf(elem, nodeBlackList));
- }
-
- function shouldAttachRole(role, elem) {
- // if element does not have role attribute
- // AND element type is equal to role (if custom element has a type equaling shape) <-- remove?
- // AND element is not INPUT
- return !elem.attr('role') && (elem.attr('type') === role) && (elem[0].nodeName !== 'INPUT');
- }
-
- function getShape(attr, elem) {
- var type = attr.type,
- role = attr.role;
-
- return ((type || role) === 'checkbox' || role === 'menuitemcheckbox') ? 'checkbox' :
- ((type || role) === 'radio' || role === 'menuitemradio') ? 'radio' :
- (type === 'range' || role === 'progressbar' || role === 'slider') ? 'range' : '';
- }
-
- return {
- restrict: 'A',
- require: 'ngModel',
- priority: 200, //Make sure watches are fired after any other directives that affect the ngModel value
- compile: function(elem, attr) {
- var shape = getShape(attr, elem);
-
- return {
- pre: function(scope, elem, attr, ngModel) {
- if (shape === 'checkbox') {
- //Use the input[checkbox] $isEmpty implementation for elements with checkbox roles
- ngModel.$isEmpty = function(value) {
- return value === false;
- };
- }
- },
- post: function(scope, elem, attr, ngModel) {
- var needsTabIndex = shouldAttachAttr('tabindex', 'tabindex', elem, false);
-
- function ngAriaWatchModelValue() {
- return ngModel.$modelValue;
- }
-
- function getRadioReaction(newVal) {
- var boolVal = (attr.value == ngModel.$viewValue);
- elem.attr('aria-checked', boolVal);
- }
-
- function getCheckboxReaction() {
- elem.attr('aria-checked', !ngModel.$isEmpty(ngModel.$viewValue));
- }
-
- switch (shape) {
- case 'radio':
- case 'checkbox':
- if (shouldAttachRole(shape, elem)) {
- elem.attr('role', shape);
- }
- if (shouldAttachAttr('aria-checked', 'ariaChecked', elem, false)) {
- scope.$watch(ngAriaWatchModelValue, shape === 'radio' ?
- getRadioReaction : getCheckboxReaction);
- }
- if (needsTabIndex) {
- elem.attr('tabindex', 0);
- }
- break;
- case 'range':
- if (shouldAttachRole(shape, elem)) {
- elem.attr('role', 'slider');
- }
- if ($aria.config('ariaValue')) {
- var needsAriaValuemin = !elem.attr('aria-valuemin') &&
- (attr.hasOwnProperty('min') || attr.hasOwnProperty('ngMin'));
- var needsAriaValuemax = !elem.attr('aria-valuemax') &&
- (attr.hasOwnProperty('max') || attr.hasOwnProperty('ngMax'));
- var needsAriaValuenow = !elem.attr('aria-valuenow');
-
- if (needsAriaValuemin) {
- attr.$observe('min', function ngAriaValueMinReaction(newVal) {
- elem.attr('aria-valuemin', newVal);
- });
- }
- if (needsAriaValuemax) {
- attr.$observe('max', function ngAriaValueMinReaction(newVal) {
- elem.attr('aria-valuemax', newVal);
- });
- }
- if (needsAriaValuenow) {
- scope.$watch(ngAriaWatchModelValue, function ngAriaValueNowReaction(newVal) {
- elem.attr('aria-valuenow', newVal);
- });
- }
- }
- if (needsTabIndex) {
- elem.attr('tabindex', 0);
- }
- break;
- }
-
- if (!attr.hasOwnProperty('ngRequired') && ngModel.$validators.required
- && shouldAttachAttr('aria-required', 'ariaRequired', elem, false)) {
- // ngModel.$error.required is undefined on custom controls
- attr.$observe('required', function() {
- elem.attr('aria-required', !!attr['required']);
- });
- }
-
- if (shouldAttachAttr('aria-invalid', 'ariaInvalid', elem, true)) {
- scope.$watch(function ngAriaInvalidWatch() {
- return ngModel.$invalid;
- }, function ngAriaInvalidReaction(newVal) {
- elem.attr('aria-invalid', !!newVal);
- });
- }
- }
- };
- }
- };
-}])
-.directive('ngDisabled', ['$aria', function($aria) {
- return $aria.$$watchExpr('ngDisabled', 'aria-disabled', nodeBlackList, false);
-}])
-.directive('ngMessages', function() {
- return {
- restrict: 'A',
- require: '?ngMessages',
- link: function(scope, elem, attr, ngMessages) {
- if (!elem.attr('aria-live')) {
- elem.attr('aria-live', 'assertive');
- }
- }
- };
-})
-.directive('ngClick',['$aria', '$parse', function($aria, $parse) {
- return {
- restrict: 'A',
- compile: function(elem, attr) {
- var fn = $parse(attr.ngClick, /* interceptorFn */ null, /* expensiveChecks */ true);
- return function(scope, elem, attr) {
-
- if (!isNodeOneOf(elem, nodeBlackList)) {
-
- if ($aria.config('bindRoleForClick') && !elem.attr('role')) {
- elem.attr('role', 'button');
- }
-
- if ($aria.config('tabindex') && !elem.attr('tabindex')) {
- elem.attr('tabindex', 0);
- }
-
- if ($aria.config('bindKeypress') && !attr.ngKeypress) {
- elem.on('keypress', function(event) {
- var keyCode = event.which || event.keyCode;
- if (keyCode === 32 || keyCode === 13) {
- scope.$apply(callback);
- }
-
- function callback() {
- fn(scope, { $event: event });
- }
- });
- }
- }
- };
- }
- };
-}])
-.directive('ngDblclick', ['$aria', function($aria) {
- return function(scope, elem, attr) {
- if ($aria.config('tabindex') && !elem.attr('tabindex') && !isNodeOneOf(elem, nodeBlackList)) {
- elem.attr('tabindex', 0);
- }
- };
-}]);
-
-
-})(window, window.angular);