Bug 168888 [Wizards] PageTransition classes may need rename/reorg
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
return;
        }
        
        if (!doPageTransition(PageTransitionEvent.EVENT_NEXT))
        	return;
        
        
        showPage(page);
    }
    
    /**
	 * Notifies page transition listeners and returns result of page transition
	 * processing to the sender.
	 * 
	 * @param eventType
	 * @return <code>true</code> if page transition listener completes
	 *         successfully, <code>false</code> otherwise
	 */
    private boolean doPageTransition(int eventType){
    	PageTransitionEvent e = new PageTransitionEvent(this, getCurrentPage(),
				eventType);
		firePageTransitioning(e);
		
		if (e.doit == false){
			return false;
		}
		return true;
    }
    /**