* @since 2.0
*/
class ActionColumn extends Column
{
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, $column) {
/** @var ActionColumn $column */
$url = $column->createUrl($model, 'view');
return Html::a('', $url, [
'title' => Yii::t('yii', 'View'),
]);
};
}
if (!isset($this->buttons['update'])) {
$this->buttons['update'] = function ($model, $column) {
/** @var ActionColumn $column */
$url = $column->createUrl($model, 'update');
return Html::a('', $url, [
'title' => Yii::t('yii', 'Update'),
]);
};
}
if (!isset($this->buttons['delete'])) {
$this->buttons['delete'] = function ($model, $column) {
/** @var ActionColumn $column */
$url = $column->createUrl($model, 'delete');
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 \yii\db\ActiveRecord $model
* @param string $action
* @return string
*/
public function createUrl($model, $action)
{
if ($this->urlCreator instanceof Closure) {
return call_user_func($this->urlCreator, $model, $action);
} else {
$params = $model->getPrimaryKey(true);
if (count($params) === 1) {
$params = ['id' => reset($params)];
}
return Yii::$app->controller->createUrl($action, $params);
}
}
/**
* Renders the data cell content.
* @param mixed $model the data model
* @param integer $index the zero-based index of the data model among the models array returned by [[dataProvider]].
* @return string the rendering result
*/
protected function renderDataCellContent($model, $index)
{
return preg_replace_callback('/\\{(\w+)\\}/', function ($matches) use ($model) {
$name = $matches[1];
if (isset($this->buttons[$name])) {
return call_user_func($this->buttons[$name], $model, $this);
} else {
return '';
}
}, $this->template);
}
}