{label}';
/**
* @var string
*/
public $labelTemplate = '{label}';
/**
* @var string
*/
public $submenuTemplate = "\n\n";
/**
* Make parent elements to be active
* @var bool
*/
public $activateParents = true;
/**
* Render and run widget
* @return string
*/
public function run()
{
$this->options = [
'tag' => false,
];
$this->itemOptions = [
'tag' => 'li',
];
$this->encodeLabels = false;
parent::run();
}
/**
* Renders the content of a menu item.
* Note that the container and the sub-menus are not rendered here.
* @param array $item the menu item to be rendered. Please refer to [[items]] to see what data might be in the item.
* @return string the rendering result
*/
protected function renderItem($item)
{
if (isset($item['url'])) {
$template = ArrayHelper::getValue($item, 'template', $this->linkTemplate);
return strtr($template, [
'{url}' => Html::encode(Url::toRoute($item['url'])),
'{label}' => $item['label'],
'{class}' => $item['active'] ? $this->activeCssClass : '',
]);
} else {
$template = ArrayHelper::getValue($item, 'template', $this->labelTemplate);
return strtr($template, [
'{label}' => $item['label'],
'{class}' => $item['active'] ? $this->activeCssClass : '',
]);
}
}
/**
* @inheritdoc
* @param array $items
* @return string
*/
protected function renderItems($items)
{
$n = count($items);
$lines = [];
foreach ($items as $i => $item) {
$options = array_merge($this->itemOptions, ArrayHelper::getValue($item, 'options', []));
$tag = ArrayHelper::remove($options, 'tag', 'li');
$class = [];
if ($item['active']) {
$class[] = $this->activeCssClass;
}
if ($i === 0 && $this->firstItemCssClass !== null) {
$class[] = $this->firstItemCssClass;
}
if ($i === $n - 1 && $this->lastItemCssClass !== null) {
$class[] = $this->lastItemCssClass;
}
if (!empty($class)) {
if (empty($options['class'])) {
$options['class'] = implode(' ', $class);
} else {
$options['class'] .= ' ' . implode(' ', $class);
}
}
$menu = $this->renderItem($item);
if (!empty($item['items'])) {
$submenuTemplate = ArrayHelper::getValue($item, 'submenuTemplate', $this->submenuTemplate);
$menu .= strtr($submenuTemplate, [
'{items}' => $this->renderItems($item['items']),
]);
}
$lines[] = Html::tag($tag, $menu, $options);
}
return implode("\n", $lines);
}
}