public function init()
{
// username
$this->addElement('text', 'username', array('required' => true, 'validators' => array(array('Alnum', false, false), array('StringLength', false, array(6, 16)))));
// email
$EmailValidate = new My_Validator_Email();
$this->addElement('text', 'email', array('required' => true, 'validators' => array(array('EmailAddress', false), array($EmailValidate, false))));
// add checkboxes with user groups.
// Perform translation here. (could as well have been titles from a DB
// so it's not something the renderer should do, as opposed to labels
// and error messages)
$lang = new My_LanguagePack();
$groupIds = array(1, 2, 3, 4);
$groupOptions = array();
foreach ($groupIds as $id) {
$groupOptions[$id] = $lang->get('group.label.' . $id);
}
$elmGroup = new Zend_Form_Element_MultiCheckbox('group');
$elmGroup->setMultiOptions($groupOptions);
$elmGroup->setRequired(true);
$this->addElement($elmGroup);
}
/**
* Setup per-element properties like labels, and classes
*/
protected function setupSingleElement(Zend_Form_Element $elm)
{
// determine if this element has an error. (Will be used below)
$elmHasError = count($elm->getMessages()) > 0;
// set element values from the language pack
$elm->setLabel($this->lang->get('form.label.' . $elm->getName()));
// display info about required length if validator exists
if ($elm->getValidator('StringLength')) {
$elm->setDescription(sprintf($this->lang->get('form.description.' . $elm->getName()), $elm->getValidator('StringLength')->getMin(), $elm->getValidator('StringLength')->getMax()));
} else {
$elm->setDescription($this->lang->get('form.description.' . $elm->getName()));
}
// Duplicating type attr to classname in case we need to support IE6
// and want to be able to directly target the element without using
// input[type=text]
$zendType = $elm->getType();
$className = strtolower(substr($zendType, strrpos($zendType, '_') + 1));
$elm->setAttrib('class', $className);
// wrap this stuff up in a html div with class 'element'
$elm->addDecorator('HtmlTag', array('tag' => 'div', 'class' => 'element'));
// determine if element has error and use that to determine prefix char.
// 1. There seems to be no way to add html to the reqPrefix
// 2. There seems to be no way to add a custom classname to the div tag
if ($elm->getName() != 'submit') {
$reqChar = $elmHasError ? '! ' : '* ';
$elm->addDecorator('Label', array('placement' => 'prepend', 'tag' => 'div', 'requiredPrefix' => $reqChar));
}
// use custom error decorator that attempts to replace default error
// messages by the ones supplied by My_LanguagaPack
$errorDecorator = new My_Decorator_Errors();
$errorDecorator->setLanguagePack($this->lang);
$elm->addDecorator($errorDecorator);
// wrap everything so far in a li tag, give it class error if elm has error
// ATT: using array to create alias for allready used HtmlTag decorator
$liClass = $elmHasError ? 'error' : '';
$elm->addDecorator(array('outerLi' => 'HtmlTag'), array('tag' => 'li', 'class' => $liClass));
}