/**
* @param string $name The element name
* @param string $value The date displayed in this widget
* @param array $attributes An array of HTML attributes to be merged with the default HTML attributes
* @param array $errors An array of errors for the field
*
* @return string An HTML tag string
*
* @see
*/
public function render($name, $value = null, $attributes = array(), $errors = array())
{
$values = array_merge(array('is_empty' => ''), is_array($value) ? $value : array());
return strtr($this->getOption('filter_template'), array('%date_range%' => parent::render($name, $value, $attributes, $errors), '%empty_checkbox%' => $this->getOption('with_empty') ? $this->renderTag('input', array('type' => 'checkbox', 'name' => $name . '[is_empty]', 'checked' => $values['is_empty'] ? 'checked' : '')) : '', '%empty_label%' => $this->getOption('with_empty') ? $this->renderContentTag('label', $this->translate($this->getOption('empty_label')), array('for' => $this->generateId($name . '[is_empty]'))) : ''));
}
