Fix action button sensibility

Allow to run action if no record is selected.

issue3685
review3611004

src/action.js

@@ -37,7 +37,7 @@
                 }
                 var ctx = {
                     active_model: data.res_model,
-                    active_id: data.id || false,
+                    active_id: data.id || null,
                     active_ids: data.ids
                 };
                 var session = Sao.Session.current_session;

src/screen.js

@@ -446,9 +446,8 @@
                 if ((this.current_view.view_type == 'tree') &&
                         (!jQuery.isEmptyObject(this.group))) {
                     this.set_current_record(this.group[0]);
-                } else {
-                    return true;
                 }
+                return jQuery.when();
             }
             this.current_view.set_value();
             var fields = this.current_view.get_fields();
@@ -689,8 +688,12 @@
             this.display();
         },
         get_buttons: function() {
+            var selected_records = this.current_view.selected_records();
+            if (jQuery.isEmptyObject(selected_records)) {
+                return [];
+            }
             var buttons = this.current_view.get_buttons();
-            this.current_view.selected_records().forEach(function(record) {
+            selected_records.forEach(function(record) {
                 buttons = buttons.filter(function(button) {
                     var states = record.expr_eval(
                         button.attributes.states || {});

src/tab.js

@@ -307,17 +307,26 @@
                             jQuery('<a/>').append(action.name));
                         menu.append(item);
                         item.click(function() {
-                            var exec_action = jQuery.extend({}, action);
-                            // TODO test save
-                            exec_action = Sao.Action.evaluate(exec_action,
-                                menu_action[0], screen.current_record);
-                            var data = {
-                                model: screen.model_name,
-                                id: screen.get_id(),
-                                ids: [screen.get_id()] // TODO ids selected
-                            };
-                            Sao.Action.exec_action(exec_action, data,
-                                screen.context);
+                            screen.save_current().then(function() {
+                                var exec_action = jQuery.extend({}, action);
+                                var record_id = null;
+                                if (screen.current_record) {
+                                    record_id = screen.current_record.id;
+                                }
+                                var record_ids = screen.current_view
+                                .selected_records().map(function(record) {
+                                    return record.id;
+                                });
+                                exec_action = Sao.Action.evaluate(exec_action,
+                                    menu_action[0], screen.current_record);
+                                var data = {
+                                    model: screen.model_name,
+                                    id: record_id,
+                                    ids: record_ids
+                                };
+                                Sao.Action.exec_action(exec_action, data,
+                                    screen.context);
+                            });
                         });
                     });
                     menu.menu({}).hide().css({