On loaded file + AngularJS

by Thiago Figueiredo

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<div ng-controller="MainCtrl" class="container">
  <h1>Select text file</h1>
    <input type="file" on-read-file="showContent($content)" />
    <div ng-if="content">
        <h2>File content is:</h2>
        <pre>{{ content }}</pre>
    </div>
</div>

JavaScript

var myapp = angular.module('myapp', []);

myapp.controller('MainCtrl', function ($scope) {
    $scope.showContent = function(content){
        $scope.content = content;
    };
  });

myapp.directive('onReadFile', function ($parse) {
	return {
		restrict: 'A',
        scope: {
            onReadFile : "&"
        },
		link: function(scope, element, attrs) {
			element.on('change', function(e) {
				var reader = new FileReader();
				reader.onload = function(e) {
					scope.$apply(function() {
                       scope.onReadFile({$content:e.target.result});
					});
				};
				reader.readAsText((e.srcElement || e.target).files[0]);
			});
		}
	};
});