// data selection
JSONObject jWidget = new JSONObject();
view.getJson().element(getId(), jWidget);
jWidget.element("id", id);
Call call = new Call("v2js_widgets_emaillist(c." + getId() + ")", id);
view.addCall(call);
JSONObject jFilter = new JSONObject();
jFilter.element("sent", model.isFilterSent());
jFilter.element("notsent", model.isFilterNotSent());