public function url($data = null, $field = false, $options = array())
{
$options += array('style' => 'original', 'urlize' => true);
list($model, $field) = explode('.', $field);
if (is_array($data)) {
if (isset($data[$model])) {
if (isset($data[$model]['id'])) {
$id = $data[$model]['id'];
$filename = $data[$model][$field];
}
} elseif (isset($data['id'])) {
$id = $data['id'];
$filename = $data[$field];
}
}
if (isset($id) && isset($filename)) {
$paths = UploadBehavior::getPaths($model, $id, $field, $filename, $options['style'], array('webroot' => ''));
$url = isset($paths['url']) ? $paths['url'] : $paths['path'];
} else {
$settings = Interpolation::run($model, null, $field, null, $options['style'], array('webroot' => ''));
$url = isset($settings['default_url']) ? $settings['default_url'] : null;
}
return $options['urlize'] ? $this->Html->url($url) : $url;
}
protected function interpolate(Model $Model, $field, $filename, $style)
{
$settings = $this->settings[$Model->alias][$field];
$keys = array('path', 'url', 'default_url');
foreach ($keys as $key) {
if (isset($settings[$key])) {
$settings[$key] = Interpolation::run($settings[$key], $Model->alias, $Model->id, $field, $filename, $style);
}
}
return $settings;
}