D3 Examples - Simple add row table with Angular + Bootstrap

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<!DOCTYPE html>
<html lang="en" ng-app="app">
<head>
    <meta charset="UTF-8">
    <title>Budget</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css">
    <style type="text/css">
        table {
            table-layout: fixed;
        }
​
        table td, table td {
            overflow: hidden;
        }
    </style>
    <script src="https://code.jquery.com/jquery-2.1.1.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.0-beta.13/angular.min.js"></script>
​
    <script type="text/javascript">
        var app = angular.module('app', []);
​
        app.controller('DefaultCtrl', function($scope) {
            $scope.workers = [
                {
                    'name': 'Andrey',
                    'age': 22,
                    'gender': 'M'
                },
                {
                    'name': 'Carlos',
                    'age': 19,
                    'gender': 'M'
                },
                {
                    'name': 'Julia',
                    'age': 14,
                    'gender': 'F'
                }
            ];
​
            $scope.addRow = function() {
                $scope.worker = {};
                $scope.addingItem = true;
            };
​
            $scope.addWorker = function(worker) {
                $scope.workers.push(angular.copy(worker));
                delete $scope.worker;
                $scope.addingItem = false;
            };
​
            $scope.removeRow = function() {
                delete $scope.worker;
                $scope.addingItem = false;
            };
​
            $scope.removeWorker = function(worker) {
                var index = $scope.workers.indexOf(worker);
                $scope.workers.splice(index, 1);
            }
        });
​
        app.filter('gender', function() {
            return function(input) {
                if (input == 'M') {
                    return 'Male';
                } else {
                    return 'Female';
                }
            };
        });
​
        //Picked from https://gist.github.com/EpokK/5884263
        app.directive('ngEnter', function() {
            return function(scope, element, attrs) {
                element.bind("keydown keypress", function(event) {
                    if (event.which === 13) {
                        scope.$apply(function(){
                            scope.$eval(attrs.ngEnter);
                        });
                        
                        event.preventDefault();
                    }
                });
            };
        });
    </script>
</head>
<body>
    <div class="container" ng-controller="DefaultCtrl">
        <table class="table">
            <thead>
                <tr>
                    <th style="width: 50%">Name</th>
                    <th style="width: 25%">Gender</th>
                    <th style="width: 20%">Age</th>
                    <th style="width: 5%"></th>
                </tr>
            </thead>
            <tbody>
                <tr ng-repeat="worker in workers">
                    <td>{{ worker.name }}</td>
                    <td>{{ worker.gender | gender }}</td>
                    <td>{{ worker.age }}</td>
                    <td><i class="fa fa-close" ng-click="removeWorker(worker)"></i></td>
                </tr>
                <tr ng-if="addingItem">
                    <td><input type="text" class="form-control" placeholder="Name" ng-model="worker.name"></td>
                    <td><select class="form-control" ng-model="worker.gender">
                        <option value="M">Male</option>
                        <option value="F">Female</option>
                    </select></td>
                    <td><input type="number" class="form-control" placeholder="Age" ng-model="worker.age" ng-enter="addWorker(worker)"></td>
                    <td><i ng-click="removeRow()" class="fa fa-close"></i></td>
                </tr>
            </tbody>
        </table>
        <div ng-if="addingItem">
            <pre>{{ worker | json }}</pre>
        </div>
        <button ng-click="addRow()" class="btn btn-default" ng-disabled="addingItem"><i class="fa fa-plus"></i></button>
    </div>
</body>
</html>
    