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MultipleSelect.php
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MultipleSelect.php
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<?php
namespace yii\jquery\multipleselect;
use yii\helpers\Html;
use yii\widgets\InputWidget;
use yii\helpers\Json;
use Yii;
class MultipleSelect extends InputWidget
{
/**
* @var array
*/
public $items = [];
/**
* @var bool
* @see http://wenzhixin.net.cn/p/multiple-select/docs/#the-filter1
* @see http://wenzhixin.net.cn/p/multiple-select/docs/#the-filter2
*/
public $filter = false;
/**
* @var bool
* @see http://wenzhixin.net.cn/p/multiple-select/docs/#the-multiple-items
*/
public $multiple = false;
/**
* @var int
* @see http://wenzhixin.net.cn/p/multiple-select/docs/#the-multiple-items
*/
public $multipleWidth = 80;
/**
* @var array
*/
public $clientOptions = [];
/**
* @inheritdoc
*/
public function init()
{
Html::addCssClass($this->options, 'form-control');
parent::init();
}
/**
* @inheritdoc
*/
public function run()
{
$inputId = $this->options['id'];
$hasModel = $this->hasModel();
if (array_key_exists('value', $this->options)) {
$value = $this->options['value'];
} elseif ($hasModel) {
$value = Html::getAttributeValue($this->model, $this->attribute);
} else {
$value = $this->value;
}
$options = array_merge($this->options, [
'multiple' => true,
'value' => $value
]);
if ($hasModel) {
$output = Html::activeListBox($this->model, $this->attribute, $this->items, $options);
} else {
$output = Html::listBox($this->name, $this->value, $this->items, $options);
}
$clientOptions = array_merge([
'filter' => $this->filter,
'multiple' => $this->multiple,
'multipleWidth' => $this->multipleWidth
], $this->clientOptions);
if (!array_key_exists('placeholder', $clientOptions) && array_key_exists('placeholder', $options)) {
$clientOptions['placeholder'] = $options['placeholder'];
}
$js = 'jQuery(\'#' . $inputId . '\').multipleSelect(' . Json::htmlEncode($clientOptions) . ');';
if (Yii::$app->getRequest()->getIsAjax()) {
$output .= Html::script($js);
} else {
$view = $this->getView();
MultipleSelectAsset::register($view);
$view->registerJs($js);
}
return $output;
}
}