Location: PHPKode > projects > Pieforms > pieforms-php5-0.2.2/src/pieform/elements/fieldset.php
<?php
/**
 * This program is part of Pieforms
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 *
 * @package    pieforms
 * @subpackage element
 * @author     Nigel McNie <hide@address.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
 * @copyright  (C) 2006 Catalyst IT Ltd http://catalyst.net.nz
 *
 */

/**
 * Renders a fieldset. Fieldsets contain other elements, and do not count as a
 * "true" element, in that they do not have a value and cannot be validated.
 *
 * @param Pieform $form    The form to render the element for
 * @param array   $element The element to render
 * @return string          The HTML for the element
 */
function pieform_element_fieldset(Pieform $form, $element) {
    $result = "\n<fieldset";
    if (!empty($element['collapsible'])) {
        if (!isset($element['legend']) || $element['legend'] === '') {
            Pieform::info('Collapsible fieldsets should have a legend so they can be toggled');
        }
        $classes = array('collapsible');
        // Work out whether any of the children have errors on them
        $error = false;
        foreach ($element['elements'] as $subelement) {
            if (isset($subelement['error'])) {
                $error = true;
                break;
            }
        }
        if (!empty($element['collapsed']) && !$error) {
            $classes[] = 'collapsed';
        }
        $result .= ' class="' . implode(' ', $classes) . '"';
    }
    $result .= ">\n";
    if (isset($element['legend'])) {
        $result .= '<legend';
        if (!empty($element['collapsible'])) {
            $id = substr(md5(microtime()), 0, 4);
            $result .= ' id="' . $id . '">';
            $result .= '<script type="text/javascript">';
            $result .= "var a = A({'href':'', 'tabindex':{$form->get_property('tabindex')}}, " . json_encode($element['legend']) . "); ";
            $result .= "connect(a, 'onclick', function(e) { toggleElementClass('collapsed', $('{$id}').parentNode); e.stop(); });";
            $result .= "replaceChildNodes('{$id}', a);</script>";
        }
        else {
            $result .= '>' . Pieform::hsc($element['legend']);
        }
        $result .= "</legend>\n";
    }

    foreach ($element['elements'] as $subname => $subelement) {
        if ($subelement['type'] == 'hidden') {
            throw new PieformError("You cannot put hidden elements in fieldsets");
        }
        $result .= "\t" . pieform_render_element($form, $subelement);
    }

    $result .= "</fieldset>\n";
    return $result;
}

?>
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