[FIX] web: read context when reloading Graph or Pivot views

Before this rev., keys like pivot_measures, graph_mode..., were
correctly took into account at first load of Pivot or Graph view,
but not at reload.

Those keys are particularily useful when a user saves a research
to its favorites. When such a favorite is selected, the view is
reloaded and the interesting information is in the context.

1 files changed, 10 insertions, 0 deletions

diff --git a/addons/web/static/src/js/views/graph/graph_controller.js b/addons/web/static/src/js/views/graph/graph_controller.js
index d68808bac1d..77e3f1e7a40 100644
--- a/addons/web/static/src/js/views/graph/graph_controller.js
+++ b/addons/web/static/src/js/views/graph/graph_controller.js
@@ -102,10 +102,20 @@ var GraphController = AbstractController.extend({
         });
     },
     /**
+     * @private
+     */
+    _update: function () {
+        this._updateButtons();
+        return this._super.apply(this, arguments);
+    },
+    /**
      * makes sure that the buttons in the control panel matches the current
      * state (so, correct active buttons and stuff like that)
      */
     _updateButtons: function () {
+        if (!this.$buttons) {
+            return;
+        }
         var state = this.model.get();
         this.$buttons.find('.o_graph_button').removeClass('active');
         this.$buttons