Joomla! Documentation™

The "API16" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.

Description

Returns a UL list of user groups with check boxes

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Syntax

static usergroups($name, $selected)

Parameter Name	Default Value	Description
$name		$name The name of the checkbox controls array
$selected		$selected An array of the checked boxes

Returns

string

Defined in

libraries/joomla/html/html/access.php

Importing

jimport( 'joomla.html.html.access' );

Source Body

public static function usergroups($name, $selected)
{
        static $count;

        $count++;

        $db = &JFactory::getDbo();
        $db->setQuery(
                'SELECT a.*, COUNT(DISTINCT b.id) AS level' .
                ' FROM #__usergroups AS a' .
                ' LEFT JOIN `#__usergroups` AS b ON a.lft > b.lft AND a.rgt < b.rgt' .
                ' GROUP BY a.id' .
                ' ORDER BY a.lft ASC'
        );
        $groups = $db->loadObjectList();

        // Check for a database error.
        if ($db->getErrorNum()) {
                JError::raiseNotice(500, $db->getErrorMsg());
                return null;
        }

        $html = array();

        $html[] = '<ul class="checklist usergroups">';

        for ($i=0, $n=count($groups); $i < $n; $i++) {
                $item = &$groups[$i];

                // Setup  the variable attributes.
                $eid = $count.'group_'.$item->id;
                // don't call in_array unless something is selected
                $checked = '';
                if ($selected) {
                        $checked = in_array($item->id, $selected) ? ' checked="checked"' : '';
                }
                $rel = ($item->parent_id > 0) ? ' rel="'.$count.'group_'.$item->parent_id.'"' : '';

                // Build the HTML for the item.
                $html[] = '     <li>';
                $html[] = '             <input type="checkbox" name="'.$name.'[]" value="'.$item->id.'" id="'.$eid.'"';
                $html[] = '                             '.$checked.$rel.' />';
                $html[] = '             <label for="'.$eid.'">';
                $html[] = '             '.str_repeat('<span class="gi">|&mdash;</span>', $item->level).$item->title;
                $html[] = '             </label>';
                $html[] = '     </li>';
        }
        $html[] = '</ul>';

        return implode("\n", $html);
}

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