passman/js/app/directives/fileselect.js

(function () {
	'use strict';

	/**
	 * @ngdoc directive
	 * @name passmanApp.directive:passwordGen
	 * @description
	 * # passwordGen
	 */
	angular.module('passmanApp')
		.directive('fileSelect', ['$window', function ($window) {
			return {
				restrict: 'A',
				scope: {
					success: '&success',
					error: '&error',
					progress: '&progress'
				},

				link: function (scope, el, attr, ctrl) {
					scope.success = scope.success();
					scope.error = scope.error();
					scope.progress = scope.progress();
					var fileReader = new $window.FileReader();
					var _currentFile;

					fileReader.onload = function () {
						_currentFile.data = fileReader.result;
						scope.success(_currentFile);
					};

					fileReader.onprogress = function (event) {
						var percent = (event.loaded / event.total * 100);
						scope.$apply(scope.progress({
							file_total: event.total,
							file_loaded: event.loaded,
							file_percent: percent
						}));
					};

					fileReader.onerror = function () {
						scope.error();
					};

					el.bind('change', function (e) {
						var _queueTotalFileSize = 0;
						var _queueProgressBytes = 0;
						var i;
						//Calcutate total size
						for (i = 0; i < e.target.files.length; i++) {
							_queueTotalFileSize += e.target.files[i].size;
						}
						//Now load the files
						for (i = 0; i < e.target.files.length; i++) {
							_currentFile = e.target.files[i];
							var mb_limit = 5;
							if (_currentFile.size > (mb_limit * 1024 * 1024)) {
								scope.error('TO_BIG', _currentFile);
							}
							fileReader.readAsDataURL(_currentFile);

						}
					});
				}
			};
		}]);
}());