- if ( isShowDomainArchitectures() ) {
- _domain_display_label.setVisible( true );
- _zoom_in_domain_structure.setVisible( true );
- _zoom_out_domain_structure.setVisible( true );
- _decr_domain_structure_evalue_thr.setVisible( true );
- _incr_domain_structure_evalue_thr.setVisible( true );
- _domain_structure_evalue_thr_tf.setVisible( true );
- if ( getMainPanel().getMainFrame()._right_line_up_domains_cbmi != null ) {
- getMainPanel().getMainFrame()._right_line_up_domains_cbmi.setVisible( true );
+ final MainFrame mf = getMainFrame();
+ if ( mf != null ) {
+ if ( isShowDomainArchitectures() ) {
+ _domain_display_label.setVisible( true );
+ _zoom_in_domain_structure.setVisible( true );
+ _zoom_out_domain_structure.setVisible( true );
+ _decr_domain_structure_evalue_thr.setVisible( true );
+ _incr_domain_structure_evalue_thr.setVisible( true );
+ _domain_structure_evalue_thr_tf.setVisible( true );
+ if ( mf._right_line_up_domains_cbmi != null ) {
+ mf._right_line_up_domains_cbmi.setVisible( true );
+ }
+ if ( mf._show_domain_labels != null ) {
+ mf._show_domain_labels.setVisible( true );
+ }