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This demonstrates and is the implementation of a simple check all use case in angular.js. I got the idea from http://plnkr.co/edit/IQA9kq?p=preview, but I did not want to have to depend on underscore, so it is a solution without it.
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<!DOCTYPE html> | |
<html> | |
<head> | |
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.min.js"></script> | |
<meta charset="utf-8"> | |
<title>JS Bin</title> | |
</head> | |
<body ng-app="todoApp"> | |
<div ng-controller="TodoCtrl as todoList"> | |
Select All <input type="checkbox" ng-checked="todoList.isCheckedAll()" ng-click="todoList.checkAll()" /> | |
<ul ng-repeat="todo in todoList.todos"> | |
<li>{{todo.task}} <input type="checkbox" ng-model="todo.isDone" /></li> | |
</ul> | |
</div> | |
</body> | |
</html> |
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var app = angular.module('todoApp', []); | |
app.controller('TodoCtrl', [function TodoCtrl() { | |
this.todos = [{task:"Open a store.", isDone: false}, {task:"Open another store.", isDone: false}, {task:"Open another store.", isDone: false}]; | |
this.isCheckedAll = function() { | |
var numChecked = 0; | |
this.todos.map(function(todo) { | |
if(todo.isDone) { | |
numChecked++; | |
} | |
}); | |
return numChecked == this.todos.length; | |
}; | |
this.checkAll = function() { | |
var checkState = !this.isCheckedAll(); | |
this.todos.map(function(todo) { | |
todo.isDone = checkState; | |
}); | |
}; | |
}]); |
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