Angular Bootstrap

# AngularJS and Twitter Bootstrap

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Bootstrap is a popular style sheet. This chapter demonstrates how to use it with AngularJS.

## Bootstrap

To include Bootstrap in your AngularJS application, add the following line to your <head> element:

<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">

If you want to study Bootstrap, visit our Bootstrap Tutorial.

Below is a complete HTML example, with all AngularJS directives and Bootstrap classes explained.

## HTML Code

<!DOCTYPE html>
<html ng-app="">
<head>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.26/angular.min.js"></script>
</head>
<body ng-controller="userController">
<div class="container">
<h3>Users</h3>
<table class="table table-striped">
<thead><tr>
<th>Edit</th>
<th>First Name</th>
<th>Last Name</th>
</tr></thead>
<tbody><tr ng-repeat="user in users">
<td>
<button class="btn" ng-click="editUser(user.id)">
<span class="glyphicon glyphicon-pencil"></span>&nbsp;&nbsp;Edit
</button>
</td>
<td>{{ user.fName }}</td>
<td>{{ user.lName }}</td>
</tr></tbody>
</table>
<hr>
<button class="btn btn-success" ng-click="editUser('new')">
<span class="glyphicon glyphicon-user"></span> Create New User
</button>
<hr>
<h3 ng-show="edit">Create New User:</h3>
<h3 ng-hide="edit">Edit User:</h3>
<form class="form-horizontal">
<div class="form-group">
<label class="col-sm-2 control-label">First Name:</label>
<div class="col-sm-10">
<input type="text" ng-model="fName" ng-disabled="!edit" placeholder="First Name">
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">Last Name:</label>
<div class="col-sm-10">
<input type="text" ng-model="lName" ng-disabled="!edit" placeholder="Last Name">
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">Password:</label>
<div class="col-sm-10">
<input type="password" ng-model="passw1" placeholder="Password">
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">Repeat:</label>
<div class="col-sm-10">
<input type="password" ng-model="passw2" placeholder="Repeat Password">
</div>
</div>
</form>
<hr>
<button class="btn btn-success" ng-disabled="error || incomplete">
<span class="glyphicon glyphicon-save"></span> Save Changes
</button>
</div>
<script src = "myUsers.js"></script>
</body>
</html>
Try it Yourself »

## Directives (Used Above) Explained

AngularJS Directive | Description
--- | ---
<html ng-app | Defines an (unnamed) application for the <html> element
<body ng-controller | Defines a controller for the <body> element
<tr ng-repeat | Repeats the <tr> element for each user in users
<button ng-click | Invoke the function editUser() when the <button> element is clicked
<h3 ng-show | Show the <h3>s element if edit = true
<h3 ng-hide | Hide the <h3> element if edit = true
<input ng-model | Bind the <input> element to the application
<button ng-disabled | Disables the <button> element if error or incomplete = true

## Bootstrap Classes Explained

Element | Bootstrap Class | Defines
--- | --- | ---
<div> | container | A content container
<table> | table | A table
<table> | table-striped | A striped table
<button> | btn | A button
<button> | btn-success | A success button
<span> | glyphicon | A glyph icon
<span> | glyphicon-pencil | A pencil icon
<span> | glyphicon-user | A user icon
<span> | glyphicon-save | A save icon
<form> | form-horizontal | A horizontal form
<div> | form-group | A form group
<label> | control-label | A control label
<label> | col-sm-2 | A 2 columns span
<div> | col-sm-10 | A 10 columns span

## JavaScript Code

function userController($scope) {
$scope.fName = '';
$scope.lName = '';
$scope.passw1 = '';
$scope.passw2 = '';
$scope.users = [
{id:1, fName:'Hege', lName:"Pege" },
{id:2, fName:'Kim', lName:"Pim" },
{id:3, fName:'Sal', lName:"Smith" },
{id:4, fName:'Jack', lName:"Jones" },
{id:5, fName:'John', lName:"Doe" },
{id:6, fName:'Peter', lName:"Pan" }
];
$scope.edit = true;
$scope.error = false;
$scope.incomplete = false;
$scope.editUser = function(id) {
if (id == 'new') {
$scope.edit = true;
$scope.incomplete = true;
$scope.fName = '';
$scope.lName = '';
} else {
$scope.edit = false;
$scope.fName = $scope.users[id-1].fName;
$scope.lName = $scope.users[id-1].lName;
}
};
$scope.$watch('passw1',function() {$scope.test();});
$scope.$watch('passw2',function() {$scope.test();});
$scope.$watch('fName', function() {$scope.test();});
$scope.$watch('lName', function() {$scope.test();});
$scope.test = function() {
if ($scope.passw1 !== $scope.passw2) {
$scope.error = true;
} else {
$scope.error = false;
}
$scope.incomplete = false;
if ($scope.edit && (!$scope.fName.length ||
!$scope.lName.length ||
!$scope.passw1.length || !$scope.passw2.length)) {
$scope.incomplete = true;
}
};
}

## JavaScript Code Explained

Scope Properties | Used for
--- | ---
$scope.fName | Model variable (user first name)
$scope.lName | Model variable (user last name)
$scope.passw1 | Model variable (user password 1)
$scope.passw2 | Model variable (user password 2)
$scope.users | Model variable (array of users)
$scope.edit | Set to true when user clicks on create user.
$scope.error | Set to true if passw1 not equal passw2
$scope.incomplete | Set to true if any field is empty (length = 0)
$scope.editUser | Sets model variables
$scope.watch | Watches model variables
$scope.test | Tests model variables for errors and incompleteness

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