/**
* Registers the needed JavaScript.
*/
public function registerClientScript()
{
$inputId = $this->options['id'];
$jsTreeId = $this->getJsTreeId();
$options = $this->getClientOptions();
$options = empty($options) ? '' : Json::encode($options);
$onChanged = '';
if ($this->onChanged) {
$onChanged = ".on('changed.jstree', {$this->onChanged})";
}
$onSelect = '';
if ($this->onSelect) {
$onSelect = ".on('select_node.jstree', {$this->onSelect})";
}
$view = $this->getView();
JsTreeAsset::register($view);
$view->registerJs("\n jQuery('#{$jsTreeId}')\n .on('loaded.jstree', function() { jQuery(this).jstree('select_node', jQuery('#{$inputId}').val().split(','), true); })\n .on('changed.jstree', function(e, data) { jQuery('#{$inputId}').val(data.selected.join()); })\n {$onChanged}\n {$onSelect}\n .jstree({$options});\n ");
}
/**
* @inheritdoc
*/
public function init()
{
JsTreeAsset::register($this->getView());
$this->options['id'] = isset($this->options['id']) ? $this->options['id'] : $this->getId();
parent::init();
}