public static function dropdown($data, $options = NULL, $selected = NULL, $extra = '')
{
if (!is_array($data)) {
$data = array('name' => $data);
} else {
if (isset($data['options'])) {
// Use data options
$options = $data['options'];
}
if (isset($data['selected'])) {
// Use data selected
$selected = $data['selected'];
}
}
if (is_array($selected)) {
// Multi-select box
$data['multiple'] = 'multiple';
} else {
// Single selection (but converted to an array)
$selected = array($selected);
}
$input = '<select' . joosHTML::attributes($data, 'select') . ' ' . $extra . '>' . "\n";
foreach ((array) $options as $key => $val) {
// Key should always be a string
$key = (string) $key;
if (is_array($val)) {
$input .= '<optgroup label="' . $key . '">' . "\n";
foreach ($val as $inner_key => $inner_val) {
// Inner key should always be a string
$inner_key = (string) $inner_key;
$sel = in_array($inner_key, $selected) ? ' selected="selected"' : '';
$input .= '<option value="' . $inner_key . '"' . $sel . '>' . $inner_val . '</option>' . "\n";
}
$input .= '</optgroup>' . "\n";
} else {
$sel = in_array($key, $selected) ? ' selected="selected"' : '';
$input .= '<option value="' . $key . '"' . $sel . '>' . $val . '</option>' . "\n";
}
}
$input .= '</select>';
return $input;
}
