/** {@inheritdoc} */
public function init()
{
parent::init();
$config = $this->getOption('config');
$mergeCustomFields = new Element\Checkbox('mergeCustomFields');
$mergeCustomFields->setLabel('Merge user supplied information');
$mergeCustomFields->setChecked($config->defaultMergeCustomFields);
$this->add($mergeCustomFields);
$mergeGroups = new Element\Checkbox('mergeGroups');
$mergeGroups->setLabel('Merge manual group assignments');
$mergeGroups->setChecked($config->defaultMergeGroups);
$this->add($mergeGroups);
$mergePackages = new Element\Checkbox('mergePackages');
$mergePackages->setLabel('Merge missing package assignments');
$mergePackages->setChecked($config->defaultMergePackages);
$this->add($mergePackages);
$submit = new \Library\Form\Element\Submit('submit');
$submit->setLabel('Merge selected clients');
$this->add($submit);
// Checkboxes for "clients[]" are generated manually, without
// \Zend\Form\Element. Define an input filter to have them processed.
$arrayCount = new \Zend\Validator\Callback();
$arrayCount->setCallback(array($this, 'validateArrayCount'))->setMessage('At least 2 different clients have to be selected', \Zend\Validator\Callback::INVALID_VALUE);
$inputFilter = new \Zend\InputFilter\InputFilter();
$inputFilter->add(array('name' => 'clients', 'required' => true, 'continue_if_empty' => true, 'filters' => array(array($this, 'clientsFilter')), 'validators' => array($arrayCount, new \Zend\Validator\Explode(array('validator' => new \Zend\Validator\Digits()))), 'error_message' => $arrayCount->getDefaultTranslator()->translate($arrayCount->getMessageTemplates()[\Zend\Validator\Callback::INVALID_VALUE])));
$this->setInputFilter($inputFilter);
}
