added no_slide parameters

common/lib/xmodule/xmodule/gst_module.py

@@ -102,7 +102,9 @@ class GraphicalSliderToolModule(XModule):
         #substitute sliders
         slider_div = '<div class="{element_class}_slider" \
                                    id="{element_id}_slider_{var}" \
-                                   data-var="{var}" style="{style}">\
+                                   data-var="{var}" \
+                                   data-on_event="{on_event}" \
+                                   style="{style}">\
                      </div>'
         slider_els = xml.xpath('//slider')
         for slider_el in slider_els:
@@ -110,6 +112,7 @@ class GraphicalSliderToolModule(XModule):
                                 slider_div.format(element_class=self.html_class,
                                     element_id=self.html_id,
                                     var=slider_el.get('var', ""),
+                                    on_event=slider_el.get('on_event', 'slide'),
                                     style=slider_el.get('style', ""))))
 
         # substitute inputs aka textboxes