public function perform(HTML_QuickForm2_Controller_Page $page, $name)
{
$validate = false;
$datasources = $page->getForm()->getDataSources();
$container = $page->getController()->getSessionContainer();
list(, $oldName) = $page->getController()->getActionName();
// Check the original action name, we need to do additional processing
// if it was 'display'
if ('display' == $oldName) {
// In case of wizard-type controller we should not allow access to
// a page unless all previous pages are valid (see also bug #2323)
if ($page->getController()->isWizard() && !$page->getController()->isValid($page)) {
return $page->getController()->getFirstInvalidPage()->handle('jump');
}
// If we have values in container then we should inject the Session
// DataSource, if page was invalid previously we should later call
// validate() to get the errors
if (count($container->getValues($page->getForm()->getId()))) {
array_unshift($datasources, new HTML_QuickForm2_DataSource_Session($container->getValues($page->getForm()->getId())));
$validate = false === $container->getValidationStatus($page->getForm()->getId());
}
}
// Add "defaults" datasources stored in session
$page->getForm()->setDataSources(array_merge($datasources, $container->getDatasources()));
$page->populateFormOnce();
if ($validate) {
$page->getForm()->validate();
}
return $this->renderForm($page->getForm());
}
/**
* Adds a new page to the form
*
* @param HTML_QuickForm2_Controller_Page $page
*/
public function addPage(HTML_QuickForm2_Controller_Page $page)
{
$pageId = $page->getForm()->getId();
if (!empty($this->pages[$pageId])) {
throw new HTML_QuickForm2_InvalidArgumentException("Duplicate page ID '{$pageId}'");
}
$page->setController($this);
$this->pages[$pageId] = $page;
}
