submitButton = createActionButton( new SubmitAction(), true );
submitButton.setEnabled( enableSubmit() );
cancelButton = createActionButton( new CancelAction(), false );
tabsButton = new JToggleButton( new ChangeToTabsAction() );
tabsButton.setPreferredSize( UISupport.TOOLBAR_BUTTON_DIMENSION );
splitButton = createActionButton( new ChangeSplitPaneOrientationAction( requestSplitPane ), true );
addAssertionButton = UISupport.createToolbarButton( new AddAssertionAction( amfRequestTestStep ) );
addAssertionButton.setEnabled( true );
requestTabs = new JTabbedPane();