code: public void setActivePage(DialogPage page) {
  		if (settingSelection) {
  			return;
  		}
  
  		try {
  			settingSelection = true;
  
  			super.setActivePage(page);
  			if (page != null) {
  				Tab tab = (Tab) page2tab.get(page);
  				tabbedPaneView.selectTab(tab);
  			}
  		}
  		finally {
  			settingSelection = false;
  		}
  	}
docs: Sets the active page of this TabbedDialogPage. This method will also
  select the tab wich displays the new active page.