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<?php |
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namespace SilverStripe\Forms\GridField; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\ORM\ValidationException; |
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use SilverStripe\Security\Member; |
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use SilverStripe\Security\Permission; |
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use SilverStripe\Security\Security; |
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/** |
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* Adds a delete action for the gridfield to remove a relationship from group. |
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* This is a special case where it captures whether the current user is the record being removed and |
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* prevents removal from happening. |
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*/ |
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class GridFieldGroupDeleteAction extends GridFieldDeleteAction |
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{ |
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/** |
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* @var int |
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*/ |
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protected $groupID; |
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public function __construct($groupID) |
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{ |
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$this->groupID = $groupID; |
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parent::__construct(true); |
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} |
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/** |
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* |
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* @param GridField $gridField |
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* @param DataObject $record |
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* @param string $columnName |
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* @return string the HTML for the column |
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*/ |
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public function getColumnContent($gridField, $record, $columnName) |
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{ |
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if ($this->canUnlink($record)) { |
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return parent::getColumnContent($gridField, $record, $columnName); |
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} |
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return null; |
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} |
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/** |
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* Get the ActionMenu group (not related to Member group) |
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* @param GridField $gridField |
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* @param DataObject $record |
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* @param $columnName |
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* @return null|string |
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*/ |
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public function getGroup($gridField, $record, $columnName) |
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{ |
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if (!$this->canUnlink($record)) { |
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return null; |
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} |
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return parent::getGroup($gridField, $record, $columnName); |
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} |
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/** |
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* Handle the actions and apply any changes to the GridField |
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* |
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* @param GridField $gridField |
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* @param string $actionName |
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* @param array $arguments |
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* @param array $data Form data |
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* @throws ValidationException |
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*/ |
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public function handleAction(GridField $gridField, $actionName, $arguments, $data) |
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{ |
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$record = $gridField->getList()->find('ID', $arguments['RecordID']); |
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if (!$record || !$actionName == 'unlinkrelation' || $this->canUnlink($record)) { |
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parent::handleAction($gridField, $actionName, $arguments, $data); |
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return; |
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} |
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throw new ValidationException( |
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_t(__CLASS__ . '.UnlinkSelfFailure', 'Cannot remove yourself from this group, you will lose admin rights') |
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); |
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} |
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/** |
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* @param $record - the record of the User to unlink with |
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* @return bool |
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*/ |
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protected function canUnlink($record) |
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{ |
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$currentUser = Security::getCurrentUser(); |
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if ($currentUser |
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&& $record instanceof Member |
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&& (int)$record->ID === (int)$currentUser->ID |
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&& Permission::checkMember($record, 'ADMIN') |
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) { |
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$adminGroups = array_intersect( |
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$record->Groups()->column(), |
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Permission::get_groups_by_permission('ADMIN')->column() |
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); |
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if (count($adminGroups) === 1 && array_search($this->groupID, $adminGroups) !== false) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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silverstripe /
silverstripe-framework
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