Last active
August 29, 2015 14:03
-
-
Save amitittyerah/c2edd121a6b28c0c7c8e to your computer and use it in GitHub Desktop.
Two-way binding and watching the bound value
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE> | |
<html> | |
<head> | |
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.18/angular.min.js"></script> | |
<script> | |
// Create a parent app | |
var app = angular.module('app', []); | |
// A single controller to rule them all | |
app.controller('ParentController', ['$scope', function ($scope){ | |
$scope.property1 = 0; | |
$scope.property2 = 1; | |
$scope.togglevar1 = false; | |
$scope.togglevar2 = false; | |
$scope.pushTime = function(index) { | |
$scope['property' + index] = new Date().getTime(); | |
} | |
}]); | |
// The box directive | |
// We create 2 different instances with their own controllers | |
app.directive('box', ['InstancedService', function (InstancedService){ | |
return { | |
restrict: 'E', | |
replace: true, | |
scope: { | |
index: '=', | |
binding: '=' | |
}, | |
template: '<button ng-click="show()">Click Me! {{binding}}</button>', | |
controller: function ($scope){ | |
console.log($scope.propertybinding); | |
$scope.service = new InstancedService.Obj($scope.index), | |
$scope.show = function () { | |
console.log($scope.service.index); | |
}; | |
$scope.$watch(function() { return $scope.binding; }, function (val){ | |
console.log($scope.binding); | |
}); | |
} | |
}; | |
}]); | |
// Another isolated directive to control the box directive | |
app.directive('bigButton', function (InstancedService){ | |
return { | |
restrict: 'E', | |
replace: true, | |
scope: { | |
togglevar: '=' | |
}, | |
template: '<button ng-click="toggle()">Big Button o toggle! {{togglevar}}</button>', | |
controller: function ($scope){ | |
$scope.toggle = function () { | |
$scope.togglevar = !$scope.togglevar; | |
}; | |
} | |
}; | |
}); | |
// Non-singleton service | |
app.factory('InstancedService', function(){ | |
function Obj(index){ | |
this.index = index; | |
} | |
return { | |
Obj: Obj | |
} | |
}); | |
</script> | |
</head> | |
<body> | |
<div ng-app='app'> | |
<div ng-controller='ParentController as parentCtrl'> | |
<button ng-click="pushTime(1);">Show Time 1</button> | |
<button ng-click="pushTime(2);">Show Time 2</button> | |
<br/> | |
<box index="1" binding="property1" ng-show="togglevar1"></box> | |
<box index="2" binding="property2" ng-show="togglevar2"></box> | |
<br/> | |
<big-button togglevar="togglevar1"></big-button> | |
<big-button togglevar="togglevar2"></big-button> | |
</div> | |
</div> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment