<?php

class BandForm extends BaseBandForm
{
  public function configure()
  {
    $this->embedForm('members', new BandMembersForm($this->object));
  }

  public function updateObjectEmbeddedForms($values, $forms = null)
  {
    if (is_array($forms))
    {
      foreach ($forms as $key => $form)
      {
        if ($form instanceof EmbeddedBandMemberForm)
        {
          $formValues = isset($values[$key]) ? $values[$key] : array();

          if (EmbeddedBandMemberForm::formValuesAreBlank($formValues))
          {
            if ($id = $form->getObject()->getId())
            {
              $this->object->unlink('Members', $id);
              $form->getObject()->delete();
            }

            unset($forms[$key]);
          }
        }
      }
    }

    return parent::updateObjectEmbeddedForms($values, $forms);
  }

  public function saveEmbeddedForms($con = null, $forms = null)
  {
    if (is_array($forms))
    {
      foreach ($forms as $key => $form)
      {
        if ($form instanceof EmbeddedBandMemberForm)
        {
          if ($form->getObject()->isModified())
          {
            $form->getObject()->Band = $this->object;
          }
          else
          {
            unset($forms[$key]);
          }
        }
      }
    }

    return parent::saveEmbeddedForms($con, $forms);
  }

  public function setNumMembers($numMembers)
  {
    $this->embedForm('members', new BandMembersForm($this->object, $numMembers));
  }

  public function bind(array $taintedValues = null, array $taintedFiles = null)
  {
    if (isset($taintedValues['members']) && is_array($taintedValues['members']))
    {
      $this->setNumMembers(count($taintedValues['members']));
    }

    return parent::bind($taintedValues, $taintedFiles);
  }
}