protected static function listSelections($selection, $listData, &$htmlOptions)
{
$raw = isset($htmlOptions['encode']) && !$htmlOptions['encode'];
$content = '';
if (isset($htmlOptions['prompt'])) {
$content .= '<li data="">' . strtr($htmlOptions['prompt'], array('<' => '<', '>' => '>')) . "</li>\n";
unset($htmlOptions['prompt']);
}
if (isset($htmlOptions['empty'])) {
if (!is_array($htmlOptions['empty'])) {
$htmlOptions['empty'] = array('' => $htmlOptions['empty']);
}
foreach ($htmlOptions['empty'] as $value => $label) {
$content .= '<li data="' . Html::encode($value) . '">' . strtr($label, array('<' => '<', '>' => '>')) . "</li>\n";
}
unset($htmlOptions['empty']);
}
if (isset($htmlOptions['options'])) {
$options = $htmlOptions['options'];
unset($htmlOptions['options']);
} else {
$options = array();
}
$key = isset($htmlOptions['key']) ? $htmlOptions['key'] : 'primaryKey';
if (is_array($selection)) {
foreach ($selection as $i => $item) {
if (is_object($item)) {
$selection[$i] = $item->{$key};
}
}
} else {
if (is_object($selection)) {
$selection = $selection->{$key};
}
}
foreach ($listData as $key => $value) {
if (is_array($value)) {
$content .= '<optgroup label="' . ($raw ? $key : self::encode($key)) . "\">\n";
$dummy = array('options' => $options);
if (isset($htmlOptions['encode'])) {
$dummy['encode'] = $htmlOptions['encode'];
}
$content .= $this->listOptions($selection, $value, $dummy);
$content .= '</optgroup>' . "\n";
} else {
$attributes = array('data' => (string) $key, 'encode' => !$raw);
if (!is_array($selection) && !strcmp($key, $selection) || is_array($selection) && in_array($key, $selection)) {
$attributes['selected'] = 'selected';
}
if (isset($options[$key])) {
$attributes = array_merge($attributes, $options[$key]);
}
$str = $raw ? (string) $value : Html::encode((string) $value) . "\n";
$content .= Html::tag('li', $str, $attributes);
}
}
if (!empty($htmlOptions['name'])) {
if (!is_array($selection)) {
$content .= '<input type="hidden" value="' . $selection . '" id="' . $htmlOptions['id'] . '" name="' . $htmlOptions['name'] . '"/>';
}
}
unset($htmlOptions['name']);
unset($htmlOptions['key']);
$htmlOptions['id'] .= '_select';
return $content;
}
/**
* @inheritdoc
*/
public function init()
{
if (!isset($this->options['id'])) {
$this->options['id'] = $this->getId();
}
if ($this->requiresPjax()) {
ob_start();
ob_implicit_flush(false);
$view = $this->getView();
$view->clear();
$view->beginPage();
$view->head();
$view->beginBody();
if ($view->title !== null) {
echo Html::tag('title', Html::encode($view->title));
}
} else {
echo Html::beginTag('div', $this->options);
}
}
