[FIX] fix crash happening when user goes to graph view, switch to other view, changes groupby and goes back to graph view. (addon web_graph)

bzr revid: ged@openerp.com-20140117161940-3ojz17luxtsb9qfa

addons/web_graph/static/src/js/graph_view.js

@@ -66,7 +66,8 @@ instance.web_graph.GraphView = instance.web.View.extend({
     },
 
     do_search: function (domain, context, group_by) {
-        var col_group_by = this.get_col_groupbys_from_searchview();
+        var self = this,
+            col_group_by = this.get_col_groupbys_from_searchview();
 
         if (!this.graph_widget) {
             if (group_by.length) {
@@ -79,7 +80,13 @@ instance.web_graph.GraphView = instance.web.View.extend({
             this.graph_widget.appendTo(this.$el);
             this.graph_widget.on('groupby_changed', this, this.proxy('register_groupby'));
             this.graph_widget.on('groupby_swapped', this, this.proxy('swap_groupby'));
-            this.ViewManager.on('switch_mode', this, function (e) { if (e === 'graph') this.graph_widget.reload(); });
+            this.ViewManager.on('switch_mode', this, function (e) { 
+                var domain = self.graph_widget.get_domain(),
+                    col_gb = self.get_col_groupbys_from_searchview(),
+                    row_gb = self.get_row_groupbys_from_searchview();
+
+                if (e === 'graph') this.graph_widget.set(domain, row_gb, col_gb); 
+            });
             return;
         }
 
@@ -97,6 +104,12 @@ instance.web_graph.GraphView = instance.web.View.extend({
         return _.map(groupby_list, function (g) { return g.attributes.value.attrs.context.col_group_by; });
     },
 
+    get_row_groupbys_from_searchview: function () {
+        var facet = this.search_view.query.findWhere({category:'GroupBy'}),
+            groupby_list = facet ? facet.values.models : [];
+        return _.map(groupby_list, function (g) { return g.attributes.value.attrs.context.group_by; });
+    },
+
     do_show: function () {
         this.do_push_state({});
         return this._super();

addons/web_graph/static/src/js/graph_widget.js

@@ -62,6 +62,7 @@ openerp.web_graph.Graph = openerp.web.Widget.extend(openerp.EventDispatcherMixin
             });
             self.pivot.activate();
             self.put_measure_checkmarks();
+            self.trigger('groupby_changed');
         });
     },
 
@@ -150,15 +151,15 @@ openerp.web_graph.Graph = openerp.web.Widget.extend(openerp.EventDispatcherMixin
     // returns the row groupbys as a list of fields (not the representation used
     // internally by pivot table)
     get_row_groupby: function () {
-        return this.pivot.rows.groupby;
+        return (this.pivot) ? this.pivot.rows.groupby : this.pivot_options.row_groupby;
     },
 
     get_col_groupby: function () {
-        return this.pivot.cols.groupby;
+        return (this.pivot) ? this.pivot.cols.groupby : this.pivot_options.col_groupby;
     },
 
-    reload: function () {
+    get_domain: function () {
-        this.pivot.update_data();
+        return (this.pivot) ? this.pivot.domain : this.pivot_options.domain;
     },
 
     // ----------------------------------------------------------------------

addons/web_graph/static/src/js/pivot_table.js

@@ -82,6 +82,7 @@ openerp.web_graph.PivotTable = openerp.web.Class.extend(openerp.EventDispatcherM
         }
 	},
 
+    // return true if an update is triggered, false otherwise
     set: function (domain, row_groupby, col_groupby) {
         var row_gbs = this.create_field_values(row_groupby),
             col_gbs = this.create_field_values(col_groupby),