Demo.TreeValueChooser = BI.inherit(BI.Widget, { props: { baseCls: "demo-tree-value-chooser" }, render: function () { return { type: "bi.tree_value_chooser_pane", items: BI.deepClone(Demo.CONSTANTS.TREEITEMS) // itemsCreator: function (op, callback) { // callback(tree); // } }; } }); BI.shortcut("demo.tree_value_chooser_pane", Demo.TreeValueChooser);