<?php
/**
* Action handler for outputting the form
*
* PHP version 5
*
* LICENSE
*
* This source file is subject to BSD 3-Clause License that is bundled
* with this package in the file LICENSE and available at the URL
* https://raw.githubusercontent.com/pear/HTML_QuickForm2/trunk/docs/LICENSE
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @copyright 2006-2019 Alexey Borzov <avb@php.net>, Bertrand Mansion <golgote@mamasam.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link https://pear.php.net/package/HTML_QuickForm2
*/
/** Interface for Controller action handlers */
require_once 'HTML/QuickForm2/Controller/Action.php';
/** Class presenting the values stored in session by Controller as submitted ones */
require_once 'HTML/QuickForm2/DataSource/Session.php';
/**
* Action handler for outputting the form
*
* If you want to customize the form display, subclass this class and override
* the renderForm() method, you don't need to change the perform() method.
*
* @category HTML
* @package HTML_QuickForm2
* @author Alexey Borzov <avb@php.net>
* @author Bertrand Mansion <golgote@mamasam.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @version Release: 2.1.0
* @link https://pear.php.net/package/HTML_QuickForm2
*/
class HTML_QuickForm2_Controller_Action_Display
implements HTML_QuickForm2_Controller_Action
{
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());
}
/**
* Outputs the form
*
* Default behaviour is to rely on form's __toString() magic method.
* If you want to customize form appearance or use a different Renderer,
* you should override this method.
*
* @param HTML_QuickForm2 $form
*/
protected function renderForm(HTML_QuickForm2 $form)
{
echo $form;
}
}
?>
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