question: this method gets called when a bound property is changed . concode_field_sep FormActionListener actionListener concode_elem_sep String DOCUMENT_PROPERTY_NAME concode_elem_sep FormItemListener itemListener concode_elem_sep FormTextfieldListener formTextfieldListener concode_elem_sep boolean enabled concode_field_sep void removeUpdate concode_elem_sep void itemStateChanged concode_elem_sep void registerTextField concode_elem_sep Action getConfirmAction concode_elem_sep void actionPerformed concode_elem_sep void setEnabled concode_elem_sep boolean performValidate concode_elem_sep void registerButton concode_elem_sep void handleValidate concode_elem_sep boolean isEnabled concode_elem_sep void registerComboBox concode_elem_sep void changedUpdate concode_elem_sep void insertUpdate
target: void function ( final PropertyChangeEvent arg0 ) { if ( FormValidator . DOCUMENT_PROPERTY_NAME . equals ( arg0 . getPropertyName ( ) ) ) { final Document loc0 = ( Document ) arg0 . getOldValue ( ) ; loc0 . removeDocumentListener ( this ) ; final Document loc1 = ( Document ) arg0 . getOldValue ( ) ; loc1 . addDocumentListener ( this ) ; } }