public function customFormActions($isReadonly = false)
{
$fields = parent::customFormActions($isReadonly);
// get the newsletters in the system
$newsletterTypes = DataObject::get('NewsletterType');
$availableNewsletters = array();
$nlCheckboxes = array();
foreach ($this->Newsletters() as $subscribeTo) {
$availableNewsletters[] = $subscribeTo->ID;
}
// create a checkbox for each newsletter
if ($newsletterTypes && is_object($newsletterTypes)) {
foreach ($newsletterTypes as $newsletterType) {
$nlCheckboxes[] = new CheckboxField("CustomNewsletters[{$newsletterType->ID}]", $newsletterType->Title, in_array($newsletterType->ID, $availableNewsletters));
}
}
$fields->push(new OptionsetField('AllNewsletters', '', array(1 => 'All newsletters', 0 => 'Specific newsletters'), $this->AllNewsletters));
$fields->push(new CompositeField($nlCheckboxes));
$fields->push(new TextField('Subject', 'Subject line on confirmation', $this->Subject));
return $fields;
}
