/**
* @param null $icon
* @param array $options
* @return $this
*/
public function icon($icon, $options = [])
{
if ($icon === false) {
$this->parts['{icon}'] = '';
return $this;
}
$options = array_merge($this->iconOptions, $options);
$this->parts['{icon}'] = Icon::widget(['name' => $icon, 'options' => $options]);
return $this;
}
/**
* Renders the widget.
*/
public function run()
{
$content = '';
if ($this->iconName !== null) {
$this->iconConfig['name'] = $this->iconName;
$content .= Icon::widget($this->iconConfig);
}
$content .= $this->encodeLabel ? Html::encode($this->label) : $this->label;
return Html::tag($this->tagName, $content, $this->options);
}
/**
* Initializes the widget.
*/
public function init()
{
parent::init();
if ($this->route === null && Yii::$app->controller !== null) {
$this->route = Yii::$app->controller->getRoute();
}
if ($this->params === null) {
$this->params = Yii::$app->request->getQueryParams();
}
if ($this->dropDownCaret === null) {
$this->dropDownCaret = Icon::widget(['name' => 'navigation-arrow-drop-down', 'options' => ['class' => 'right']]);
}
}