Adding on/off methods which can be used to listen for events on either an individual qgrid instances or all of them.

Author: Tim Shawver

js/src/qgrid.widget.js

@@ -483,7 +483,7 @@ class QgridView extends widgets.DOMWidgetView {
     });
 
     this.slick_grid.onSelectedRowsChanged.subscribe((e, args) => {
-      var msg = {'rows': args.rows, 'type': 'selection_change'};
+      var msg = {'rows': args.rows, 'type': 'selection_changed'};
       this.send(msg);
     });
 
@@ -672,7 +672,7 @@ class QgridView extends widgets.DOMWidgetView {
         });
         this.send({
           'rows': selected_rows,
-          'type': 'selection_change'
+          'type': 'selection_changed'
         });
       }, 100);
     } else if (msg.col_info) {

qgrid/__init__.py

@@ -4,6 +4,8 @@
     enable,
     disable,
     set_defaults,
+    on,
+    off,
     set_grid_option,
     show_grid,
     QgridWidget,
@@ -22,6 +24,8 @@ def _jupyter_nbextension_paths():
     'enable',
     'disable',
     'set_defaults',
+    'on',
+    'off',
     'set_grid_option',
     'show_grid',
     'QgridWidget',