charts.js.coffee in effective_datatables-2.12.2

- old
+ new

@@ -1,13 +1,18 @@
 initializeCharts = ->
   $charts = $('.effective-datatables-chart:not(.initialized)')
-  return unless $charts.length > 0
+  return if $charts.length == 0
 
-  if typeof(google) != 'undefined' && typeof(google.charts) != 'undefined'
-    google.charts.load('current', { packages: ['corechart'] })
-    google.charts.setOnLoadCallback(renderCharts)
+  if typeof(google) == 'undefined' || typeof(google.charts) == 'undefined'
+    $.getScript 'https://www.gstatic.com/charts/loader.js', -> loadCharts()
+  else
+    loadCharts()
 
   $charts.addClass('initialized')
+
+loadCharts = ->
+  google.charts.load('current', { packages: ['corechart'] })
+  google.charts.setOnLoadCallback(renderCharts)
 
 renderCharts = ->
   return if (typeof(google) == 'undefined' || typeof(google.visualization) == 'undefined')
 
   $('.effective-datatables-chart').each ->