Using inheritance for directives to access the parent controller.
Notice that it's also possible to implement this with a parent directive implementing the controller.
This example is similar to other I posted before but removes the use of $parent
Created
February 19, 2014 06:03
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Angularjs different directives sharing state (revised)
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| var app = angular.module('myApp', []); | |
| app.controller('MainCtrl', function ($scope) { | |
| $scope.active = 0; | |
| $scope.setActive = function(id) { | |
| $scope.active = id; | |
| } | |
| $scope.isActive = function(id) { | |
| return (id == $scope.active); | |
| } | |
| }); | |
| app.directive('stateful', function() { | |
| return { | |
| restrict: 'AE', | |
| require: '^MainCtrl', | |
| template: "<div ng-class='{active: isActive(id)}'>{{name}}-{{id}} <button ng-click='setActive(id)'>click</button></div>", | |
| replace: true, | |
| scope : { id:"@stateful", name:"@" } | |
| } | |
| }); |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>AngularJS Plunker</title> | |
| <script> | |
| document.write('<base href="' + document.location + '" />'); | |
| </script> | |
| <link rel="stylesheet" href="style.css" /> | |
| <script data-require="[email protected]" src="http://code.angularjs.org/1.2.12/angular.js" data-semver="1.2.12"></script> | |
| <script src="app.js"></script> | |
| </head> | |
| <body ng-app="myApp" ng-controller="MainCtrl"> | |
| <h3>Some controls sharing state through the parent <small>Revised to stop using $parent</small></h3> | |
| <div> | |
| <div stateful="1" name="a"></div> | |
| <div stateful="2" name="b"></div> | |
| <div stateful="3" name="c"></div> | |
| <div stateful="4" name="d"></div> | |
| <div stateful="5" name="e"></div> | |
| </div> | |
| <a href="http://plnkr.co/edit/B16sbZ?p=preview">See in plunkr</a> | |
| </body> | |
| </html> |
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| body { | |
| font-family: Arial; | |
| font-size:12px; | |
| } | |
| .active { | |
| background:red; | |
| } | |
| .hidden { | |
| opacity: .3; | |
| } | |
| div { | |
| display:block; | |
| float: left; | |
| margin:10px 15px; | |
| border: 1px solid #ccc; | |
| padding:5px; | |
| } | |
| h4 { | |
| display:block; | |
| float:none; | |
| clear:both; | |
| font-size:10px; | |
| color:#555; | |
| } |
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