public function beforeAction($action)
{
if (($params = $this->params) === null) {
$request = Yii::$app->getRequest();
$params = $request instanceof Request ? $request->post() : [];
}
if (isset($params[$this->clearStateParam]) && $params[$this->clearStateParam] != '0') {
FilterStateTrait::clearFilterStateParams($this->id);
if (Yii::$app->request->getIsAjax() && $this->exitIfAjax) {
Yii::$app->end();
} else {
$redirectTo = isset($params[$this->redirectToParam]) ? $params[$this->redirectToParam] : Yii::$app->controller->getRoute();
Yii::$app->response->redirect($redirectTo);
}
return false;
}
return true;
}
public function saveState()
{
$session = Yii::$app->session;
/** @var \yii\grid\GridView $gridView */
$this->_gridView = $gridView = $this->owner;
$this->_state = FilterStateTrait::getFilterStateParams($this->id);
// Filter
/** @var \yii\grid\DataColumn $column */
foreach ($gridView->columns as $column) {
if (!$column instanceof DataColumn) {
continue;
}
if ($column->filter !== false) {
$this->composeFilterState($column);
}
}
// Sort
if ($gridView->dataProvider->getSort() !== false) {
$sort = $gridView->dataProvider->getSort();
if (($sortValue = ArrayHelper::getValue($sort->params, $sort->sortParam)) !== null) {
$this->_state[$sort->sortParam] = $sortValue;
} else {
unset($this->_state[$sort->sortParam]);
}
}
// Pagination
if ($gridView->dataProvider->getPagination() !== false) {
$pagination = $gridView->dataProvider->getPagination();
if (($pageValue = ArrayHelper::getValue($pagination->params, $pagination->pageParam)) !== null) {
$this->_state[$pagination->pageParam] = $pageValue;
} else {
unset($this->_state[$pagination->pageParam]);
}
if (($pageSizeValue = ArrayHelper::getValue($pagination->params, $pagination->pageSizeParam)) !== null) {
$this->_state[$pagination->pageSizeParam] = $pageSizeValue;
} else {
unset($this->_state[$pagination->pageSizeParam]);
}
}
$session->set(static::buildKey($this->id), $this->_state);
}