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<?php
/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Form\Decorator;
use Icinga\Application\Icinga;
use Icinga\Web\Form;
use Zend_Form_Decorator_Abstract;
/**
* Decorator to add a list of descriptions at the top or bottom of a form
*/
class FormDescriptions extends Zend_Form_Decorator_Abstract
{
/**
* Render form descriptions
*
* @param string $content The html rendered so far
*
* @return ?string The updated html
*/
public function render($content = '')
{
$form = $this->getElement();
if (! $form instanceof Form) {
return $content;
}
$view = $form->getView();
if ($view === null) {
return $content;
}
$descriptions = $this->recurseForm($form);
if (empty($descriptions)) {
return $content;
}
$html = '<div class="form-description">'
. Icinga::app()->getViewRenderer()->view->icon('info-circled', '', ['class' => 'form-description-icon'])
. '<ul class="form-description-list">';
foreach ($descriptions as $description) {
if (is_array($description)) {
list($description, $properties) = $description;
$html .= '<li' . $view->propertiesToString($properties) . '>' . $view->escape($description) . '</li>';
} else {
$html .= '<li>' . $view->escape($description) . '</li>';
}
}
switch ($this->getPlacement()) {
case self::APPEND:
return $content . $html . '</ul></div>';
case self::PREPEND:
return $html . '</ul></div>' . $content;
}
}
/**
* Recurse the given form and return the descriptions for it and all of its subforms
*
* @param Form $form The form to recurse
*
* @return array
*/
protected function recurseForm(Form $form)
{
$descriptions = array($form->getDescriptions());
foreach ($form->getSubForms() as $subForm) {
$descriptions[] = $this->recurseForm($subForm);
}
return call_user_func_array('array_merge', $descriptions);
}
}
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