def nextId(self):

        if self.currentId() < 0:
            return self._page_to_id(self._controller.get_first_page())
        current = self._ids[self.currentId()]
        next = self._controller.get_next_page(current)

        return self._page_to_id(next)
Reimplemented to return the id of the next page to display.
dataset/ETHPy150Open enthought/pyface/pyface/ui/qt4/wizard/wizard.py/_Wizard.nextId