* @since 2.0
*/
class ActionColumn extends Column
{
/**
* @var string the ID of the controller that should handle the actions specified here.
* If not set, it will use the currently active controller. This property is mainly used by
* [[urlCreator]] to create URLs for different actions. The value of this property will be prefixed
* to each action name to form the route of the action.
*/
public $controller;
public $template = '{view} {update} {delete}';
public $buttons = [];
public $urlCreator;
public function init()
{
parent::init();
$this->initDefaultButtons();
}
protected function initDefaultButtons()
{
if (!isset($this->buttons['view'])) {
$this->buttons['view'] = function ($model, $key, $index, $column) {
/** @var ActionColumn $column */
$url = $column->createUrl('view', $model, $key, $index);
return Html::a('', $url, [
'title' => Yii::t('yii', 'View'),
]);
};
}
if (!isset($this->buttons['update'])) {
$this->buttons['update'] = function ($model, $key, $index, $column) {
/** @var ActionColumn $column */
$url = $column->createUrl('update', $model, $key, $index);
return Html::a('', $url, [
'title' => Yii::t('yii', 'Update'),
]);
};
}
if (!isset($this->buttons['delete'])) {
$this->buttons['delete'] = function ($model, $key, $index, $column) {
/** @var ActionColumn $column */
$url = $column->createUrl('delete', $model, $key, $index);
return Html::a('', $url, [
'title' => Yii::t('yii', 'Delete'),
'data-confirm' => Yii::t('yii', 'Are you sure to delete this item?'),
'data-method' => 'post',
]);
};
}
}
/**
* @param string $action
* @param \yii\db\ActiveRecord $model
* @param mixed $key the key associated with the data model
* @param integer $index
* @return string
*/
public function createUrl($action, $model, $key, $index)
{
if ($this->urlCreator instanceof Closure) {
return call_user_func($this->urlCreator, $action, $model, $key, $index);
} else {
$params = is_array($key) ? $key : ['id' => $key];
$route = $this->controller ? $this->controller . '/' . $action : $action;
return Yii::$app->controller->createUrl($route, $params);
}
}
/**
* @inheritdoc
*/
protected function renderDataCellContent($model, $key, $index)
{
return preg_replace_callback('/\\{(\w+)\\}/', function ($matches) use ($model, $key, $index) {
$name = $matches[1];
if (isset($this->buttons[$name])) {
return call_user_func($this->buttons[$name], $model, $key, $index, $this);
} else {
return '';
}
}, $this->template);
}
}