public function init()
{
$history_id = new Zend_Form_Element_Hidden($this::ID_PREFIX . 'id');
$history_id->setValidators(array(new Zend_Validate_Int()));
$history_id->setDecorators(array('ViewHelper'));
$this->addElement($history_id);
$dynamic_attrs = new Zend_Form_SubForm();
$this->addSubForm($dynamic_attrs, $this::ID_PREFIX . 'template');
// Add the submit button
$this->addElement('button', $this::ID_PREFIX . 'save', array('ignore' => true, 'class' => 'btn ' . $this::ID_PREFIX . 'save', 'label' => _('Save'), 'decorators' => array('ViewHelper')));
// Add the cancel button
$this->addElement('button', $this::ID_PREFIX . 'cancel', array('ignore' => true, 'class' => 'btn ' . $this::ID_PREFIX . 'cancel', 'label' => _('Cancel'), 'decorators' => array('ViewHelper')));
}
