DJANGO Phase 1

backend/staticfiles/import_export/guess_format.js

@@ -0,0 +1,21 @@
+(function($) {
+  $().ready(function () {
+    $('input.guess_format[type="file"]').change(function () {
+      var files = this.files;
+      var dropdowns = $(this.form).find('select.guess_format');
+      if(files.length > 0) {
+        var extension = files[0].name.split('.').pop().trim().toLowerCase();
+        for(var i = 0; i < dropdowns.length; i++) {
+          var dropdown = dropdowns[i];
+          dropdown.selectedIndex = 0;
+          for(var j = 0; j < dropdown.options.length; j++) {
+            if(extension === dropdown.options[j].text.trim().toLowerCase()) {
+              dropdown.selectedIndex = j;
+              break;
+            }
+          }
+        }
+      }
+    });
+  });
+})(django.jQuery);