/**
* Handles requests to reorder a set of IDs in a specific order.
*
* @param GridField $grid
* @param SS_HTTPRequest $request
* @return SS_HTTPResponse
*/
public function handleReorder($grid, $request)
{
$list = $grid->getList();
$modelClass = $grid->getModelClass();
if ($list instanceof ManyManyList && !singleton($modelClass)->canView()) {
$this->httpError(403);
} else {
if (!$list instanceof ManyManyList && !singleton($modelClass)->canEdit()) {
$this->httpError(403);
}
}
$ids = $request->postVar('order');
$field = $this->getSortField();
if (!is_array($ids)) {
$this->httpError(400);
}
$sortterm = '';
if ($this->extraSortFields) {
if (is_array($this->extraSortFields)) {
foreach ($this->extraSortFields as $col => $dir) {
$sortterm .= "{$col} {$dir}, ";
}
} else {
$sortterm = $this->extraSortFields . ', ';
}
}
$sortterm .= '"' . $this->getSortTable($list) . '"."' . $field . '"';
$items = $list->filter('ID', $ids)->sort($sortterm);
// Ensure that each provided ID corresponded to an actual object.
if (count($items) != count($ids)) {
$this->httpError(404);
}
// Save any un-comitted changes to the gridfield
if (($form = $grid->getForm()) && ($record = $form->getRecord())) {
$form->loadDataFrom($request->requestVars(), true);
$grid->saveInto($record);
}
// Populate each object we are sorting with a sort value.
$this->populateSortValues($items);
// Generate the current sort values.
if ($items instanceof ManyManyList) {
$current = array();
foreach ($items->toArray() as $record) {
// NOTE: _SortColumn0 is the first ->sort() field
// used by SS when functions are detected in a SELECT
// or CASE WHEN.
if (isset($record->_SortColumn0)) {
$current[$record->ID] = $record->_SortColumn0;
} else {
$current[$record->ID] = $record->{$field};
}
}
} else {
$current = $items->map('ID', $field)->toArray();
}
// Perform the actual re-ordering.
$this->reorderItems($list, $current, $ids);
return $grid->FieldHolder();
}
/**
* Handles requests to reorder a set of IDs in a specific order.
*
* @param GridField $grid
* @param SS_HTTPRequest $request
* @return SS_HTTPResponse
*/
public function handleReorder($grid, $request)
{
if (!$this->immediateUpdate) {
$this->httpError(400);
}
$list = $grid->getList();
$modelClass = $grid->getModelClass();
if ($list instanceof ManyManyList && !singleton($modelClass)->canView()) {
$this->httpError(403);
} else {
if (!$list instanceof ManyManyList && !singleton($modelClass)->canEdit()) {
$this->httpError(403);
}
}
// Save any un-committed changes to the gridfield
if (($form = $grid->getForm()) && ($record = $form->getRecord())) {
$form->loadDataFrom($request->requestVars(), true);
$grid->saveInto($record);
}
// Get records from the `GridFieldEditableColumns` column
$data = $request->postVar($grid->getName());
$sortedIDs = $this->getSortedIDs($data);
if (!$this->executeReorder($grid, $sortedIDs)) {
$this->httpError(400);
}
Controller::curr()->getResponse()->addHeader('X-Status', rawurlencode('Records reordered.'));
return $grid->FieldHolder();
}
