1_Application_Form_Event.php

<?php
namespace Application\Form;

use DoctrineORMModule\Stdlib\Hydrator\DoctrineEntity as DoctrineHydrator;
use Zend\Form\Form;
use Zend\ServiceManager\ServiceManager;

class Event extends Form
{
    public function __construct($fields, $calendar, ServiceManager $sm)
    {
        parent::__construct('create_event');

        $this->setAttribute('method', 'post');

        $fieldset = new \Application\Form\Fieldset\Event($fields, $calendar, $sm);
        $fieldset->setOptions(array('use_as_base_fieldset' => true));

        $this->add($fieldset);

        $this->add(array(
                'name' => 'submit',
                'attributes' => array(
                    'type' => 'submit',
                    'value' => 'Send'
                )
            ));
    }
}

2_Applicaiton_Form_Fieldset_Event.php

<?php
namespace Application\Form\Fieldset;

use Zend\Form\Element\Radio;
use Zend\Form\Element\Select;
use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;
use DoctrineModule\Stdlib\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\ServiceManager\ServiceManager;

class Event extends Fieldset implements InputFilterProviderInterface
{
    public function __construct($fields, \Application\Entity\Calendar $calendar, ServiceManager $sm)
    {
        parent::__construct('event');

        $this->setHydrator(new DoctrineHydrator($sm->get('Doctrine\ORM\EntityManager')));
        $this->setObject(new \Application\Entity\Event());

        $this->add(
            array(
                'type' => 'hidden',
                'name' => 'event_id'
            )
        );

        $this->add(
            array(
                'type' => 'hidden',
                'name' => 'calendar_id'
            )
        );

        $this->add(
            array(
                'name'  => 'name',
                'options' => array(
                    'label' => 'Eventname'
                ),
                'attributes' => array(
                )
            )
        );

        $this->add(
            array(
                'name'  => 'shortname',
                'options' => array(
                    'label' => 'Shortname'
                ),
                'attributes' => array(
                )
            )
        );

        $this->add(
            array(
                'name'  => 'date_start',
                'options' => array(
                    'label' => 'Date'
                ),
                'attributes' => array(
                    'id' => 'date-from-raw'
                )
            )
        );

        $this->add(
            array(
                'name'  => 'date_start_display',
                'options' => array(
                    'label' => 'Date Display'
                ),
                'attributes' => array(
                    'id' => 'date-from',
                    'class' => 'datepicker'
                )
            )
        );



        $this->add(
            array(
                'name'  => 'date_end',
                'options' => array(
                    'label' => 'Date'
                ),
                'attributes' => array(
                    'id' => 'date-to-raw'
                )
            )
        );

        $this->add(
            array(
                'name'  => 'date_end_display',
                'options' => array(
                    'label' => 'Date Display'
                ),
                'attributes' => array(
                    'id' => 'date-to',
                    'class' => 'datepicker'
                )
            )
        );

        $radio = new Radio('state');
        $radio->setAttribute('id', 'radio');

        if($calendar->getLicence() == 1) {
            $radio->setValueOptions(array(
                '0' => 'Info',
                '1' => 'Geplant'
            ));
        }else{
            $layout = $calendar->getCalendarLayout();
            $radio->setValueOptions(array(
                '1' => $layout->getRow1Name(),
                '2' => $layout->getRow2Name(),
                '3' => $layout->getRow3Name(),
                '4' => $layout->getRow4Name(),
                '5' => $layout->getRow5Name()
            ));
        }
        $this->add($radio);

        $milestoneFs = new \Application\Form\Fieldset\Milestone($sm);
        $this->add(
            array(
                'type' => 'Zend\Form\Element\Collection',
                'name' => 'milestones',
                'options' => array(
                    'label' => 'Milestones',
                    'allow_add' => true,
                    'should_create_template' => true,
                    'count' => 1,

                    'target_element' => array(
                        'type' => $milestoneFs
                    )
                )
            )
        );




        $select = new Select('field_id');
        $select->setValueOptions($this->getFields($fields));
        $select->setAttributes(
            array(
                'id' => 'position',
                'class'=> 'fake-select'
            )
        );

        $this->add($select);

        $this->add(
            array(
                'name'  => 'department',
                'options' => array(
                    'label' => 'Department'
                ),
                'attributes' => array(
                )
            )
        );

        $this->add(
            array(
                'name'  => 'responsible',
                'options' => array(
                    'label' => 'Responsible'
                ),
                'attributes' => array(
                )
            )
        );

        $this->add(
            array(
                'type'  => 'Zend\Form\Element\Textarea',
                'name'  => 'comment',
                'options' => array(
                    'label' => 'Comment'
                ),
                'attributes' => array(
                )
            )
        );

    }

    protected function getFields($fields) {
        $data = array();
        foreach($fields as $field) {
            $data[$field->getFieldId()] = $field->getName();
        }

        return $data;
    }

    public function getInputFilterSpecification()
    {
        return array(
            array(
                'name'       => 'name',
                'required' => true,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim')
                ),
                'validators' => array(
                    array(
                        'name'        => 'StringLength',
                        'options'   => array(
                            'encoding'    => 'UTF-8',
                            'min'        => 1,
                            'max'        => 150
                        )
                    )
                )
            ),


            array(
                'name'       => 'shortname',
                'required' => false,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim')
                ),
                'validators' => array(
                    array(
                        'name'        => 'StringLength',
                        'options'   => array(
                            'encoding'    => 'UTF-8',
                            'min'        => 0,
                            'max'        => 50
                        )
                    )
                )
            ),

            array(
                'name'       => 'date_start',
                'required' => true,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim')
                )
            ),


            array(
                'name'       => 'department',
                'required' => false,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim')
                ),
                'validators' => array(
                    array(
                        'name'        => 'StringLength',
                        'options'   => array(
                            'encoding'    => 'UTF-8',
                            'min'        => 0,
                            'max'        => 150
                        )
                    )
                )
            ),


            array(
                'name'       => 'responsible',
                'required' => false,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim')
                ),
                'validators' => array(
                    array(
                        'name'        => 'StringLength',
                        'options'   => array(
                            'encoding'    => 'UTF-8',
                            'min'        => 0,
                            'max'        => 100
                        )
                    )
                )
            ),

            array(
                'name'       => 'comment',
                'required' => false,
                'filters'  => array(
                    array('name' => 'StripTags'),
                    array('name' => 'StringTrim')
                ),
            ),

            array(
                'name'       => 'state',
                'required' => true
            )
        );
    }
}

3_Application_Form_Fieldset_Milestone.php

<?php
namespace Application\Form\Fieldset;

use Zend\Form\Fieldset;
use Zend\InputFilter\InputFilterProviderInterface;
use DoctrineModule\Stdlib\Hydrator\DoctrineObject as DoctrineHydrator;
use Zend\ServiceManager\ServiceManager;

class Milestone extends Fieldset implements InputFilterProviderInterface
{
    public function __construct(ServiceManager $sm)
    {
        parent::__construct('milestone');

        $this->setHydrator(new DoctrineHydrator($sm->get('Doctrine\ORM\EntityManager')));
        $this->setObject(new \Application\Entity\Milestone());

        $this->add(
            array(
                'type'  => 'hidden',
                'name'  => 'date_start',
                'options' => array(
                    //'label' => 'Date start'
                ),
                'attributes' => array(
                    'id' => 'milestones-from-__ID__-raw'
                )
            )
        );

        $this->add(
            array(
                'type' => 'hidden',
                'name' => 'event_id'
            )
        );

        $this->add(
            array(
                'type' => 'hidden',
                'name' => 'milestone_id'
            )
        );

        $this->add(
            array(
                'name'  => 'milestones_display_from',
                'options' => array(
                    'label' => 'from'
                ),
                'attributes' => array(
                    'id' => 'milestones-from-__ID__',
                    'class' => 'datepicker'
                )
            )
        );

        $this->add(
            array(
                'type'  => 'hidden',
                'name'  => 'date_end',
                'options' => array(
                    //'label' => 'Date end'
                ),
                'attributes' => array(
                    'id' => 'milestones-to-__ID__-raw'
                )
            )
        );

        $this->add(
            array(
                'name'  => 'milestones_display_to',
                'options' => array(
                    'label' => 'to'
                ),
                'attributes' => array(
                    'id' => 'milestones-to-__ID__',
                    'class' => 'datepicker'
                )
            )
        );
    }

    public function getInputFilterSpecification()
    {
        return array(
                array(
                    'name'       => 'date_start',
                    'required' => false,
                    'filters'  => array(
                        array('name' => 'StripTags'),
                        array('name' => 'StringTrim')
                    )
                ),
                array(
                    'name'       => 'date_to',
                    'required' => false,
                    'filters'  => array(
                        array('name' => 'StripTags'),
                        array('name' => 'StringTrim')
                    )
            ),
        );
    }
}

4.Controller.php

    public function editAction()
    {
        // Removed some unnessary lines...


        $form = new Event($fields, $calendar, $this->getServiceLocator());
        $form->bind($event);

        if($this->getRequest()->isPost()) {
            $form->setData($this->getRequest()->getPost());

            if($form->isValid()) {
                echo '<pre>'.print_r($form->getData(),1).'</pre>';
                $this->getEntityManager()->flush();
            }
        }



        $view->setVariable('form', $form);
        return $view;
    }

5.error.log

PHP Warning:  Illegal offset type in isset or empty in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 669
PHP Warning:  Illegal offset type in isset or empty in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 822
PHP Warning:  strtr() expects parameter 1 to be string, object given in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 827
PHP Warning:  Illegal offset type in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 827
PHP Warning:  class_exists() expects parameter 1 to be string, object
given in [PATH]/Zend/ServiceManager/AbstractPluginManager.php on line 98
PHP Warning:  Illegal offset type in isset or empty in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 443
PHP Warning:  Illegal offset type in isset or empty in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 822
PHP Warning:  strtr() expects parameter 1 to be string, object given in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 827
PHP Warning:  Illegal offset type in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 827
PHP Warning:  Illegal offset type in isset or empty in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 822
PHP Warning:  strtr() expects parameter 1 to be string, object given in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 827
PHP Warning:  Illegal offset type in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 827
PHP Catchable fatal error:  Object of class
Application\Form\Fieldset\Milestone could not be converted to string in
[PATH]/Zend/ServiceManager/ServiceManager.php on line 500