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feat($ionicBody): service to simplify body ele interaction
Many services/directives have to interact with the body element, and each one has to write the same long code. The $ionicBody service provides some useful methods to clean up and reduce redundant code.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /** | ||
| * @ngdoc service | ||
| * @name $ionicBody | ||
| * @module ionic | ||
| * @description An angular utility service to easily and efficiently | ||
| * add and remove CSS classes from the document's body element. | ||
| */ | ||
| IonicModule | ||
| .factory('$ionicBody', ['$document', function($document) { | ||
| return { | ||
| /** | ||
| * @ngdoc method | ||
| * @name $ionicBody#add | ||
| * @description Add a class to the document's body element. | ||
| * @param {string} class Each argument will be added to the body element. | ||
| * @returns {$ionicBody} The $ionicBody service so methods can be chained. | ||
| */ | ||
| addClass: function() { | ||
| for(var x=0; x<arguments.length; x++) { | ||
| $document[0].body.classList.add(arguments[x]); | ||
| } | ||
| return this; | ||
| }, | ||
| /** | ||
| * @ngdoc method | ||
| * @name $ionicBody#removeClass | ||
| * @description Remove a class from the document's body element. | ||
| * @param {string} class Each argument will be removed from the body element. | ||
| * @returns {$ionicBody} The $ionicBody service so methods can be chained. | ||
| */ | ||
| removeClass: function() { | ||
| for(var x=0; x<arguments.length; x++) { | ||
| $document[0].body.classList.remove(arguments[x]); | ||
| } | ||
| return this; | ||
| }, | ||
| /** | ||
| * @ngdoc method | ||
| * @name $ionicBody#enableClass | ||
| * @description Similar to the `add` method, except the first parameter accepts a boolean | ||
| * value determining if the class should be added or removed. Rather than writing user code, | ||
| * such as "if true then add the class, else then remove the class", this method can be | ||
| * given a true or false value which reduces redundant code. | ||
| * @param {boolean} shouldEnableClass A true/false value if the class should be added or removed. | ||
| * @param {string} class Each remaining argument would be added or removed depending on | ||
| * the first argument. | ||
| * @returns {$ionicBody} The $ionicBody service so methods can be chained. | ||
| */ | ||
| enableClass: function(shouldEnableClass) { | ||
| var args = Array.prototype.slice.call(arguments).slice(1); | ||
| if(shouldEnableClass) { | ||
| this.addClass.apply(this, args); | ||
| } else { | ||
| this.removeClass.apply(this, args); | ||
| } | ||
| return this; | ||
| }, | ||
| /** | ||
| * @ngdoc method | ||
| * @name $ionicBody#append | ||
| * @description Append a child to the document's body. | ||
| * @param {element} element The element to be appended to the body. The passed in element | ||
| * can be either a jqLite element, or a DOM element. | ||
| * @returns {$ionicBody} The $ionicBody service so methods can be chained. | ||
| */ | ||
| append: function(ele) { | ||
| $document[0].body.appendChild( ele.length ? ele[0] : ele ); | ||
| return this; | ||
| }, | ||
| /** | ||
| * @ngdoc method | ||
| * @name $ionicBody#get | ||
| * @description Get the document's body element. | ||
| * @returns {element} Returns the document's body element. | ||
| */ | ||
| get: function() { | ||
| return $document[0].body; | ||
| } | ||
| }; | ||
| }]); |
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