tonyair/silverstripe-gridfieldextensions
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Added configurable max nesting level for nested GridFields

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This commit is contained in:
Niklas Forsdahl 2024-04-18 18:04:56 +03:00
parent 4fc20fb771
commit fc40420daa
1 changed files with 40 additions and 2 deletions
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42
src/GridFieldNestedForm.php
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@ -8,7 +8,7 @@ use SilverStripe\Control\Controller;
use SilverStripe\Control\Director;
use SilverStripe\Control\HTTPResponse;
use SilverStripe\Control\HTTPResponse_Exception;
use SilverStripe\Core\Extensible;
use SilverStripe\Core\Config\Configurable;
use SilverStripe\Forms\GridField\AbstractGridFieldComponent;
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridField_ColumnProvider;
@ -16,6 +16,7 @@ use SilverStripe\Forms\GridField\GridField_DataManipulator;
use SilverStripe\Forms\GridField\GridField_HTMLProvider;
use SilverStripe\Forms\GridField\GridField_SaveHandler;
use SilverStripe\Forms\GridField\GridField_URLHandler;
use SilverStripe\Forms\GridField\GridFieldDetailForm_ItemRequest;
use SilverStripe\Forms\GridField\GridFieldStateAware;
use SilverStripe\ORM\DataList;
use SilverStripe\ORM\DataObject;
@ -36,13 +37,15 @@ class GridFieldNestedForm extends AbstractGridFieldComponent implements
GridField_HTMLProvider,
GridField_DataManipulator
{
use Extensible, GridFieldStateAware;
use Configurable, GridFieldStateAware;
const POST_KEY = 'GridFieldNestedForm';
private static $allowed_actions = [
'handleNestedItem'
];
private static $max_nesting_level = 10;
/**
* @var string
@ -55,6 +58,7 @@ class GridFieldNestedForm extends AbstractGridFieldComponent implements
protected $relationName = 'Children';
protected $inlineEditable = false;
protected $canExpandCheck = null;
protected $maxNestingLevel = null;
public function __construct($name = 'NestedForm')
{
@ -139,6 +143,32 @@ class GridFieldNestedForm extends AbstractGridFieldComponent implements
return $this;
}
/**
* Set the maximum nesting level allowed for nested grid fields
* @param int $level
*/
public function setMaxNestingLevel($level)
{
$this->maxNestingLevel = $level;
return $this;
}
public function getMaxNestingLevel()
{
return $this->maxNestingLevel ?: $this->config()->max_nesting_level;
}
protected function getNestingLevel($gridField)
{
$level = 0;
$c = $gridField->getForm()->getController();
while ($c && $c instanceof GridFieldDetailForm_ItemRequest) {
$c = $c->getController();
$level++;
}
return $level;
}
public function getColumnMetadata($gridField, $columnName)
{
return ['title' => ''];
@ -163,6 +193,10 @@ class GridFieldNestedForm extends AbstractGridFieldComponent implements
public function getColumnContent($gridField, $record, $columnName)
{
$nestingLevel = $this->getNestingLevel($gridField);
if ($nestingLevel >= $this->getMaxNestingLevel()) {
return '';
}
$gridField->addExtraClass('has-nested');
if ($record->ID && $record->exists()) {
$this->gridField = $gridField;
@ -286,6 +320,10 @@ class GridFieldNestedForm extends AbstractGridFieldComponent implements
public function handleNestedItem(GridField $gridField, $request = null, $record = null)
{
$nestingLevel = $this->getNestingLevel($gridField);
if ($nestingLevel >= $this->getMaxNestingLevel()) {
throw new Exception('Max nesting level reached');
}
if (!$record && $request) {
$recordID = $request->param('RecordID');
$record = $gridField->getList()->byID($recordID);