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ENH Restore gridfield state from get vars

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This commit is contained in:
Guy Sartorelli 2022-05-23 10:57:13 +12:00
parent 6c5448b70f
commit a8652f7cbb
1 changed files with 32 additions and 0 deletions
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32
src/Forms/GridField/GridField.php
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@ -4,10 +4,12 @@ namespace SilverStripe\Forms\GridField;
use InvalidArgumentException;
use LogicException;
use SilverStripe\Control\Controller;
use SilverStripe\Control\HasRequestHandler;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Control\HTTPResponse;
use SilverStripe\Control\HTTPResponse_Exception;
use SilverStripe\Control\NullHTTPRequest;
use SilverStripe\Control\RequestHandler;
use SilverStripe\Core\Convert;
use SilverStripe\Core\Injector\Injector;
@ -45,6 +47,8 @@ use SilverStripe\View\HTML;
*/
class GridField extends FormField
{
use GridFieldStateAware;
/**
* @var array
*/
@ -435,6 +439,8 @@ class GridField extends FormField
{
$this->state = new GridState($this);
$this->addStateFromRequest();
$data = $this->state->getData();
foreach ($this->getComponents() as $item) {
@ -444,6 +450,32 @@ class GridField extends FormField
}
}
/**
* Adds state for this gridfield from the request variables.
*
* If there is state already set on this GridField, that takes precedent
* over state from the request.
*/
private function addStateFromRequest(): void
{
$request = $this->getRequest();
if (($request instanceof NullHTTPRequest) && Controller::has_curr()) {
$request = Controller::curr()->getRequest();
}
if ($request->params()['Action']) {
return;
}
$stateStr = $this->getStateManager()->getStateFromRequest($this, $request);
if ($stateStr) {
$oldState = $this->getState(false);
// Create a dummy state so that we can merge the current state with the request state.
$newState = new GridState($this, $stateStr);
// Put the current state on top of the request state.
$newState->setValue($oldState->Value());
$this->state = $newState;
}
}
/**
* Returns the whole gridfield rendered with all the attached components.
*