public function render($name, $value = null, $attributes = array(), $errors = array())
{
if (false !== ($empty = $this->getOption('add_empty'))) {
$label = true === $empty ? '' : $empty;
$first_option = '<option value="">' . $label . '</option>';
} else {
$first_option = '';
}
return parent::render($name, $value, $attributes, $errors) . sprintf("\n<script type='text/javascript'>\n\$(function(){\n \$('#%s').change(function(){\n \$.getJSON('%s', { id: \$(this).val() }, function(data){\n var options = '%s';\n for (key in data) {\n options += '<option value=\"' + key + '\">' + data[key] + '</option>';\n }\n \$('#%s').html(options);\n })\n })\n})\n</script>\n", $this->generateId($this->getOption('parent')), $this->getOption('url'), $first_option, $this->generateId($name));
}
/**
* Constructor.
*
* @see sfWidgetFormDoctrineSelect
*/
protected function configure($options = array(), $attributes = array())
{
parent::configure($options, $attributes);
$this->setOption('multiple', true);
}
