<?php

/**
 * This form class demonstrates how to get default values for form fields
 * from an object with getters.
 * @author Gabriel Birke <birke@d-scribe.de>
 */
class Example_Form extends Zend_Form {

  // Set up the form fields
  function init() {
    $this->addElement('text', 'name', array('label' => 'Name'));
    $this->addElement('text', 'street', array('label' => 'Street'));
    $this->addElement('text', 'city', array('label' => 'City'));
    $this->addElement('text', 'zipcode', array('label' => 'ZIP'));
    $this->addElement('checkbox', 'spamLikeThereIsNoTomorrow',
      array('label' => 'Send me a newsletter'));
    $this->addElement('checkbox', 'sucker',
      array('label' => 'I have read the terms and conditions'));
    $this->addElement('submit', 'submit', array('label' => 'Order now'));
  }

  public function setDefaultsFromObject($object)
  {
    $reflector = new ReflectionObject($object);
    $fields = array_keys($this->getElements());
    foreach($fields as $field) {
      $method = 'get'.ucfirst($field);
      if($reflector->hasMethod($method)) {
        $this->setDefault(
          $field,
          $reflector->getMethod($method)->invoke($object)
        );
      }
    }
    return $this; // fluent interface
  }
}