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Angular directive controller
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| <!doctype html> | |
| <html ng-app="Demo"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title> | |
| Directive controllers and wrapper error states | |
| </title> | |
| <style> | |
| .input-group-error { | |
| border: 1px solid red; | |
| } | |
| </style> | |
| </head> | |
| <body ng-controller="MyController as ctrl"> | |
| <h1> | |
| Directive controllers and wrapper error states | |
| </h1> | |
| Model1: {{ctrl.child1}} | Model2: {{ctrl.child2}} | |
| <p>Unaffected model: {{ctrl.unaffected}}</p> | |
| <hr> | |
| <form name="myForm"> | |
| <input type="text" ng-model="ctrl.unaffected"> | |
| <div parent class="one"> | |
| Parent 0 | |
| <input type="text" name="child1" ng-maxlength=3 ng-model="ctrl.child1" child> | |
| </div> | |
| <hr> | |
| <div parent class="one"> | |
| Parent 1 | |
| <input type="text" name="child2" ng-maxlength=3 ng-model="ctrl.child2" child> | |
| </div> | |
| </form> | |
| <!-- Load scripts. --> | |
| <script src="angular.js"></script> | |
| <script src="app.js"></script> | |
| </body> | |
| </html> |
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| var id = 0; | |
| var app = angular.module( "Demo", [] ); | |
| app.controller('MyController', [function () { | |
| this.foo = 'foo'; | |
| }]); | |
| app.directive( | |
| "parent", | |
| [function() { | |
| function Controller($scope, $element) { | |
| this.register = function (elem) { | |
| this.elem = elem; | |
| }; | |
| this.setInvalid = function (invalid) { | |
| if (invalid) { | |
| $element[0].classList.add('input-group-error'); | |
| } else { | |
| $element[0].classList.remove('input-group-error'); | |
| } | |
| }; | |
| } | |
| return({ | |
| controller: Controller, | |
| }); | |
| }]) | |
| .directive("child", [function () { | |
| return { | |
| require: ['^parent', '^form'], | |
| link: function (scope, elem, attrs, controllers) { | |
| var parent = controllers[0]; | |
| var ctrl = controllers[1]; | |
| var $input = ctrl[attrs.name]; | |
| parent.register(elem); | |
| elem.on('blur', function () { | |
| parent.setInvalid($input.$invalid && $input.$dirty); | |
| }); | |
| } | |
| }; | |
| }]); |
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