viewacl.php 2.85 KB
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<?php
/**
 * This program is part of Mahara
 *
 *  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    mahara
 * @subpackage form
 * @author     Nigel McNie <nigel@catalyst.net.nz>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
 * @copyright  (C) 2006,2007 Catalyst IT Ltd http://catalyst.net.nz
 *
 */

/**
 * Provides an element to manage a view ACL
 *
 * @param array    $element The element to render
 * @param Pieform  $form    The form to render the element for
 * @return string           The HTML for the element
 */
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function pieform_element_viewacl(Pieform $form, $element) {
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    $smarty = smarty();
    $smarty->left_delimiter  = '{{';
    $smarty->right_delimiter = '}}';

    $value = $form->get_value($element);

    // Look for the presets and split them into two groups
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    $presets = array('public', 'loggedin', 'friends');
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    if ($value) {
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        foreach ($value as $key => &$item) {
            if (is_array($item)) {
                if (in_array($item['type'], $presets)) {
                    $item['name'] = get_string($item['type']);
                    $item['preset'] = true;
                }
                else {
                    $item['name'] = pieform_render_viewacl_getvaluebytype($item['type'], $item['id']);
                }
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            }
            else {
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                unset($value[$key]);
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            }
        }
    }
    
    $potentialpresets = $presets;
    foreach ($potentialpresets as &$preset) {
        $preset = array(
            'type' => $preset,
            'id'   => $preset,
            'start' => null,
            'end'   => null,
            'name' => get_string($preset),
            'preset' => true
        );
    }
    
    $smarty->assign('potentialpresets', json_encode($potentialpresets));
    $smarty->assign('accesslist', json_encode($value));
    return $smarty->fetch('form/viewacl.tpl');
}

function pieform_render_viewacl_getvaluebytype($type, $id) {
    switch ($type) {
        case 'user':
            $user = get_record('usr', 'id', $id);
            return display_name($user);
            break;
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        case 'group':
            return get_field('group', 'name', 'id', $id);
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            break;
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    }
    return "$type: $id";
}

?>