silverstripe-userforms/code/Model/EditableFormField/EditableMemberListField.php

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<?php
namespace SilverStripe\UserForms\Model\EditableFormField;
use SilverStripe\Forms\DropdownField;
use SilverStripe\Security\Group;
use SilverStripe\Security\Member;
use SilverStripe\UserForms\Model\EditableFormField;
/**
* Creates an editable field that displays members in a given group
*
* @package userforms
*/
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class EditableMemberListField extends EditableFormField
{
private static $singular_name = 'Member List Field';
private static $plural_name = 'Member List Fields';
private static $has_one = [
'Group' => Group::class
];
private static $table_name = 'EditableMemberListField';
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/**
* @return FieldList
*/
public function getCMSFields()
{
$fields = parent::getCMSFields();
$fields->removeByName('Default');
$fields->removeByName('Validation');
/** @skipUpgrade */
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$fields->addFieldToTab(
'Root.Main',
DropdownField::create(
'GroupID',
_t('SilverStripe\\UserForms\\Model\\EditableFormField.GROUP', 'Group'),
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Group::get()->map()
)->setEmptyString(' ')
);
return $fields;
}
public function getFormField()
{
if (empty($this->GroupID)) {
return false;
}
$members = Member::map_in_groups($this->GroupID);
$field = DropdownField::create($this->Name, $this->Title ?: false, $members);
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$this->doUpdateFormField($field);
return $field;
}
public function getValueFromData($data)
{
if (isset($data[$this->Name])) {
$memberID = $data[$this->Name];
$member = Member::get()->byID($memberID);
return $member ? $member->getName() : '';
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}
return false;
}
}