!7 sclass UsersPrimaryMailAddress extends DynModule { S address; JComponent visualize() { ret jSection("Your Primary E-Mail Address", centerAndSouth(centerBoldLabel(jLiveValueLabel(dm_fieldLiveValue(this, 'address))), jcenteredbuttons("Change...", r { final JTextField tf = jtextfield(address); showFormTitled("Set your e-mail address", "Address", tf, disableButtonWhileCalcing(func -> bool { S s = getTextTrim(tf); if (empty(s) || isValidEmailAddress(s)) ret true with setField(address := s); ret false with infoBox(s + " is not a valid mail address"); })); }))); } }