v1.4.4

Author: NgDashboard

1.4.4/angular-1.4.4.zip

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+/**
+ * @license AngularJS v1.4.4
+ * (c) 2010-2015 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`, `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:ngDisabled ngDisabled}  | aria-disabled                                                                          |
+ * | {@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:ngModel ngModel}        | aria-checked, aria-valuemin, aria-valuemax, aria-valuenow, aria-invalid, aria-required, input roles |
+ * | {@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);
+
+/**
+ * @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,
+    ariaMultiline: true,
+    ariaValue: true,
+    tabindex: true,
+    bindKeypress: true,
+    bindRoleForClick: true
+  };
+
+  /**
+   * @ngdoc method
+   * @name $ariaProvider#config
+   *
+   * @param {object} config object to enable/disable specific ARIA attributes
+   *
+   *  - **ariaHidden** – `{boolean}` – Enables/disables aria-hidden tags
+   *  - **ariaChecked** – `{boolean}` – Enables/disables aria-checked tags
+   *  - **ariaDisabled** – `{boolean}` – Enables/disables aria-disabled tags
+   *  - **ariaRequired** – `{boolean}` – Enables/disables aria-required tags
+   *  - **ariaInvalid** – `{boolean}` – Enables/disables aria-invalid tags
+   *  - **ariaMultiline** – `{boolean}` – Enables/disables aria-multiline tags
+   *  - **ariaValue** – `{boolean}` – Enables/disables aria-valuemin, aria-valuemax and aria-valuenow tags
+   *  - **tabindex** – `{boolean}` – Enables/disables tabindex tags
+   *  - **bindKeypress** – `{boolean}` – Enables/disables keypress event binding on `&lt;div&gt;` and
+   *    `&lt;li&gt;` elements with ng-click
+   *  - **bindRoleForClick** – `{boolean}` – Adds role=button to non-interactive elements like `div`
+   *    using ng-click, making them more accessible to users of assistive technologies
+   *
+   * @description
+   * Enables/disables various ARIA attributes
+   */
+  this.config = function(newConfig) {
+    config = angular.extend(config, newConfig);
+  };
+
+  function watchExpr(attrName, ariaAttr, negate) {
+    return function(scope, elem, attr) {
+      var ariaCamelName = attr.$normalize(ariaAttr);
+      if (config[ariaCamelName] && !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.$$watchExpr('ngDisabled', 'aria-disabled');
+   * }])
+   *```
+   * Shown above, the ngAria module creates a directive with the same signature as the
+   * traditional `ng-disabled` directive. But this ngAria version is dedicated to
+   * solely managing accessibility attributes. The internal `$aria` service is used to watch the
+   * boolean attribute `ngDisabled`. If it has not been explicitly set by the developer,
+   * `aria-disabled` is injected as an attribute with its value synchronized to the value in
+   * `ngDisabled`.
+   *
+   * Because ngAria hooks into the `ng-disabled` directive, developers do not have to do
+   * anything to enable this feature. The `aria-disabled` attribute is automatically managed
+   * simply as a silent side-effect of using `ng-disabled` with the ngAria module.
+   *
+   * The full list of directives that interface with ngAria:
+   * * **ngModel**
+   * * **ngShow**
+   * * **ngHide**
+   * * **ngClick**
+   * * **ngDblclick**
+   * * **ngMessages**
+   * * **ngDisabled**
+   *
+   * Read the {@link guide/accessibility ngAria Developer Guide} for a thorough explanation of each
+   * directive.
+   *
+   *
+   * ## Dependencies
+   * Requires the {@link ngAria} module to be installed.
+   */
+  this.$get = function() {
+    return {
+      config: function(key) {
+        return config[key];
+      },
+      $$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('ngModel', ['$aria', function($aria) {
+
+  function shouldAttachAttr(attr, normalizedAttr, elem) {
+    return $aria.config(normalizedAttr) && !elem.attr(attr);
+  }
+
+  function shouldAttachRole(role, elem) {
+    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' :
+           (type || role) === 'textbox'   || elem[0].nodeName === 'TEXTAREA' ? 'multiline' : '';
+  }
+
+  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' && attr.type !== '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);
+
+          function ngAriaWatchModelValue() {
+            return ngModel.$modelValue;
+          }
+
+          function getRadioReaction() {
+            if (needsTabIndex) {
+              needsTabIndex = false;
+              return function ngAriaRadioReaction(newVal) {
+                var boolVal = (attr.value == ngModel.$viewValue);
+                elem.attr('aria-checked', boolVal);
+                elem.attr('tabindex', 0 - !boolVal);
+              };
+            } else {
+              return function ngAriaRadioReaction(newVal) {
+                elem.attr('aria-checked', (attr.value == ngModel.$viewValue));
+              };
+            }
+          }
+
+          function ngAriaCheckboxReaction() {
+            elem.attr('aria-checked', !ngModel.$isEmpty(ngModel.$viewValue));
+          }
+
+          switch (shape) {
+            case 'radio':
+            case 'checkbox':
+              if (shouldAttachRole(shape, elem)) {
+                elem.attr('role', shape);
+              }
+              if (shouldAttachAttr('aria-checked', 'ariaChecked', elem)) {
+                scope.$watch(ngAriaWatchModelValue, shape === 'radio' ?
+                    getRadioReaction() : ngAriaCheckboxReaction);
+              }
+              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);
+                  });
+                }
+              }
+              break;
+            case 'multiline':
+              if (shouldAttachAttr('aria-multiline', 'ariaMultiline', elem)) {
+                elem.attr('aria-multiline', true);
+              }
+              break;
+          }
+
+          if (needsTabIndex) {
+            elem.attr('tabindex', 0);
+          }
+
+          if (ngModel.$validators.required && shouldAttachAttr('aria-required', 'ariaRequired', elem)) {
+            scope.$watch(function ngAriaRequiredWatch() {
+              return ngModel.$error.required;
+            }, function ngAriaRequiredReaction(newVal) {
+              elem.attr('aria-required', !!newVal);
+            });
+          }
+
+          if (shouldAttachAttr('aria-invalid', 'ariaInvalid', elem)) {
+            scope.$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');
+}])
+.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 = $parse(attr.ngClick, /* interceptorFn */ null, /* expensiveChecks */ true);
+      return function(scope, elem, attr) {
+
+        var nodeBlackList = ['BUTTON', 'A', 'INPUT', 'TEXTAREA'];
+
+        function isNodeOneOf(elem, nodeTypeArray) {
+          if (nodeTypeArray.indexOf(elem[0].nodeName) !== -1) {
+            return true;
+          }
+        }
+
+        if ($aria.config('bindRoleForClick')
+            && !elem.attr('role')
+              && !isNodeOneOf(elem, nodeBlackList)) {
+          elem.attr('role', 'button');
+        }
+
+        if ($aria.config('tabindex') && !elem.attr('tabindex')) {
+          elem.attr('tabindex', 0);
+        }
+
+        if ($aria.config('bindKeypress') && !attr.ngKeypress && !isNodeOneOf(elem, nodeBlackList)) {
+          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')) {
+      elem.attr('tabindex', 0);
+    }
+  };
+}]);
+
+
+})(window, window.angular);