text: /**
   * @description Google Chart Api Directive Module for AngularJS
   * @version 0.0.9
   * @author Nicolas Bouillon <nicolas@bouil.org>
   * @author GitHub contributors
   * @license MIT
   * @year 2013
   */
  (function (document, window, angular) {
      'use strict';
  
      angular.module('googlechart', [])
  
          .constant('googleChartApiConfig', {
              version: '1',
              optionalSettings: {
                  packages: ['corechart']
              }
          })
  
          .provider('googleJsapiUrl', function () {
              var protocol = 'https:';
              var url = '//www.google.com/jsapi';
  
              this.setProtocol = function(newProtocol) {
                  protocol = newProtocol;
              };
  
              this.setUrl = function(newUrl) {
                  url = newUrl;
              };
  
              this.$get = function() {
                  return (protocol ? protocol : '') + url;
              };
          })
          .factory('googleChartApiPromise', ['$rootScope', '$q', 'googleChartApiConfig', 'googleJsapiUrl', function ($rootScope, $q, apiConfig, googleJsapiUrl) {
              var apiReady = $q.defer();
              var onLoad = function () {
                  // override callback function
                  var settings = {
                      callback: function () {
                          var oldCb = apiConfig.optionalSettings.callback;
                          $rootScope.$apply(function () {
                              apiReady.resolve();
                          });
  
                          if (angular.isFunction(oldCb)) {
                              oldCb.call(this);
                          }
                      }
                  };
  
                  settings = angular.extend({}, apiConfig.optionalSettings, settings);
  
                  window.google.load('visualization', apiConfig.version, settings);
              };
              var head = document.getElementsByTagName('head')[0];
              var script = document.createElement('script');
  
              script.setAttribute('type', 'text/javascript');
              script.src = googleJsapiUrl;
              
              if (script.addEventListener) { // Standard browsers (including IE9+)
                  script.addEventListener('load', onLoad, false);
              } else { // IE8 and below
                  script.onreadystatechange = function () {
                      if (script.readyState === 'loaded' || script.readyState === 'complete') {
                          script.onreadystatechange = null;
                          onLoad();
                      }
                  };
              }
              
              head.appendChild(script);
  
              return apiReady.promise;
          }])
          .directive('googleChart', ['$timeout', '$window', '$rootScope', 'googleChartApiPromise', function ($timeout, $window, $rootScope, googleChartApiPromise) {
              return {
                  restrict: 'A',
                  scope: {
                      chart: '=chart',
                      onReady: '&',
                      onSelect: '&',
                      select: '&'
                  },
                  link: function ($scope, $elm, $attrs) {
                      /* Watches, to refresh the chart when its data, formatters, options, or type change.
                          All other values intentionally disregarded to avoid double calls to the draw
                          function. Please avoid making changes to these objects directly from this directive.*/
                      $scope.$watch(function () {
                          if ($scope.chart) {
                              return {
                                  data: $scope.chart.data,
                                  formatters: $scope.chart.formatters,
                                  options: $scope.chart.options,
                                  type: $scope.chart.type,
                                  customFormatters: $scope.chart.customFormatters
                              };
                          }
                          return $scope.chart;
                      }, function () {
                          drawAsync();
                      }, true); // true is for deep object equality checking
  
                      // Redraw the chart if the window is resized
                      $rootScope.$on('resizeMsg', function () {
                          $timeout(function () {
                              // Not always defined yet in IE so check
                              if($scope.chartWrapper) {
                                  drawAsync();
                              }
                          });
                      });
  
                      // Keeps old formatter configuration to compare against
                      $scope.oldChartFormatters = {};
  
                      function applyFormat(formatType, formatClass, dataTable) {
  
                          if (typeof($scope.chart.formatters[formatType]) != 'undefined') {
                              if (!angular.equals($scope.chart.formatters[formatType], $scope.oldChartFormatters[formatType])) {
                                  $scope.oldChartFormatters[formatType] = $scope.chart.formatters[formatType];
                                  $scope.formatters[formatType] = [];
  
                                  if (formatType === 'color') {
                                      for (var cIdx = 0; cIdx < $scope.chart.formatters[formatType].length; cIdx++) {
                                          var colorFormat = new formatClass();
  
                                          for (i = 0; i < $scope.chart.formatters[formatType][cIdx].formats.length; i++) {
                                              var data = $scope.chart.formatters[formatType][cIdx].formats[i];
  
                                              if (typeof(data.fromBgColor) != 'undefined' && typeof(data.toBgColor) != 'undefined')
                                                  colorFormat.addGradientRange(data.from, data.to, data.color, data.fromBgColor, data.toBgColor);
                                              else
                                                  colorFormat.addRange(data.from, data.to, data.color, data.bgcolor);
                                          }
  
                                          $scope.formatters[formatType].push(colorFormat)
                                      }
                                  } else {
  
                                      for (var i = 0; i < $scope.chart.formatters[formatType].length; i++) {
                                          $scope.formatters[formatType].push(new formatClass(
                                              $scope.chart.formatters[formatType][i])
                                          );
                                      }
                                  }
                              }
  
  
                              //apply formats to dataTable
                              for (i = 0; i < $scope.formatters[formatType].length; i++) {
                                  if ($scope.chart.formatters[formatType][i].columnNum < dataTable.getNumberOfColumns())
                                      $scope.formatters[formatType][i].format(dataTable, $scope.chart.formatters[formatType][i].columnNum);
                              }
  
  
                              //Many formatters require HTML tags to display special formatting
                              if (formatType === 'arrow' || formatType === 'bar' || formatType === 'color')
                                  $scope.chart.options.allowHtml = true;
                          }
                      }
  
                      function draw() {
                          if (!draw.triggered && ($scope.chart != undefined)) {
                              draw.triggered = true;
                              $timeout(function () {
  
                                  if (typeof ($scope.chartWrapper) == 'undefined') {
                                      var chartWrapperArgs = {
                                          chartType: $scope.chart.type,
                                          dataTable: $scope.chart.data,
                                          view: $scope.chart.view,
                                          options: $scope.chart.options,
                                          containerId: $elm[0]
                                      };
  
                                      $scope.chartWrapper = new google.visualization.ChartWrapper(chartWrapperArgs);
                                      google.visualization.events.addListener($scope.chartWrapper, 'ready', function () {
                                          $scope.chart.displayed = true;
                                          $scope.$apply(function (scope) {
                                              scope.onReady({ chartWrapper: scope.chartWrapper });
                                          });
                                      });
                                      google.visualization.events.addListener($scope.chartWrapper, 'error', function (err) {
                                          console.log("Chart not displayed due to error: " + err.message + ". Full error object follows.");
                                          console.log(err);
                                      });
                                      google.visualization.events.addListener($scope.chartWrapper, 'select', function () {
                                          var selectedItem = $scope.chartWrapper.getChart().getSelection()[0];
                                          $scope.$apply(function () {
                                              if ($attrs.select) {
                                                  console.log('Angular-Google-Chart: The \'select\' attribute is deprecated and will be removed in a future release.  Please use \'onSelect\'.');
                                                  $scope.select({ selectedItem: selectedItem });
                                              }
                                              else {
                                                  $scope.onSelect({ selectedItem: selectedItem });
                                              }
                                          });
                                      });
                                  }
                                  else {
                                      $scope.chartWrapper.setChartType($scope.chart.type);
                                      $scope.chartWrapper.setDataTable($scope.chart.data);
                                      $scope.chartWrapper.setView($scope.chart.view);
                                      $scope.chartWrapper.setOptions($scope.chart.options);
                                  }
  
                                  if (typeof($scope.formatters) === 'undefined')
                                      $scope.formatters = {};
  
                                  if (typeof($scope.chart.formatters) != 'undefined') {
                                      applyFormat("number", google.visualization.NumberFormat, $scope.chartWrapper.getDataTable());
                                      applyFormat("arrow", google.visualization.ArrowFormat, $scope.chartWrapper.getDataTable());
                                      applyFormat("date", google.visualization.DateFormat, $scope.chartWrapper.getDataTable());
                                      applyFormat("bar", google.visualization.BarFormat, $scope.chartWrapper.getDataTable());
                                      applyFormat("color", google.visualization.ColorFormat, $scope.chartWrapper.getDataTable());
                                  }
  
                                  var customFormatters = $scope.chart.customFormatters;
                                  if (typeof(customFormatters) != 'undefined') {
                                      for (var name in customFormatters) {
                                          applyFormat(name, customFormatters[name], $scope.chartWrapper.getDataTable());
                                      }
                                  }
  
  
                                  $timeout(function () {
                                      $scope.chartWrapper.draw();
                                      draw.triggered = false;
                                  });
                              }, 0, true);
                          }
                      }
  
                      function drawAsync() {
                          googleChartApiPromise.then(function () {
                              draw();
                          })
                      }
                  }
              };
          }])
  
          .run(['$rootScope', '$window', function ($rootScope, $window) {
              angular.element($window).bind('resize', function () {
                  $rootScope.$emit('resizeMsg');
              });
          }]);
  
  })(document, window, window.angular);
  