[FIX] web_widget_x2many_2d_matrix: Force render in list mode on mobile

web_widget_x2many_2d_matrix/static/src/js/2d_matrix_view.js

@@ -0,0 +1,23 @@
+/* Copyright 2019 Alexandre Díaz
+ * License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). */
+
+odoo.define('web_widget_x2many_2d_matrix.X2Many2dMatrixView', function (require) {
+    "use strict";
+
+    var BasicView = require('web.BasicView');
+
+    BasicView.include({
+        _processField: function (viewType, field, attrs) {
+            // Workaround for kanban mode rendering.
+            // Source of the issue: https://github.com/OCA/OCB/blob/12.0/addons/web/static/src/js/views/basic/basic_view.js#L303 .
+            // See https://github.com/OCA/web/pull/1404#pullrequestreview-305813206 .
+            //  In the long term we should a way to handle kanban mode
+            // better (eg: a specific renderer).
+            if (attrs.widget === 'x2many_2d_matrix') {
+                attrs.mode = 'tree';
+            }
+            return this._super(viewType, field, attrs);
+        },
+    });
+
+});