/**
* Parse, filter and sort options.
*
* @param unknown_type $options
* @throws Exception
*/
protected function parse_params($params)
{
global $core;
#
# handle the 'version' parameter
#
if (isset($params['v'])) {
$params['version'] = $params['v'];
}
if (isset($params['version'])) {
$version_name = $params['version'];
$versions = $core->thumbnailer_versions;
$version = $versions[$version_name];
$params += $version->to_array(Version::ARRAY_FILTER);
unset($params['version']);
}
#
$params = Version::normalize($params);
if (empty($params['background'])) {
$params['background'] = 'transparent';
}
if ($params['format'] == 'jpeg' && $params['background'] == 'transparent') {
$params['background'] = 'white';
}
Image::assert_sizes($params['method'], $params['width'], $params['height']);
return $params;
}
private function dispatch_value($value, $attribute)
{
$version = new Version($value);
$options = $version->to_array();
if (!empty($value['lightbox'])) {
$options['lightbox'] = true;
}
if ($options['background'] == 'transparent') {
$options['background'] = '';
}
foreach ($options as $name => $v) {
if (empty($this->elements[$name])) {
continue;
}
$element = $this->elements[$name];
if ($element['type'] == 'checkbox' && $attribute == 'value') {
$element['checked'] = $v;
} else {
$element[$attribute] = $v;
}
}
}
/**
* Returns the thumbnail URL.
*
* @return string The thumbnail URL.
*/
public function volatile_get_url()
{
global $core;
$src = $this->src;
$options = Version::filter($this->options);
$version_name = $this->version_name;
$url = '/api/';
$w = $this->w;
$h = $this->h;
$method = $this->method;
if (is_string($src)) {
$url .= 'thumbnail';
$options['src'] = $src;
$options['version'] = $version_name;
if ($w || $h) {
$url .= '/';
if ($w && $h) {
$url .= $w . 'x' . $h;
} else {
if ($w) {
$url .= $w;
$method = 'fixed-width';
} else {
if ($h) {
$url .= 'x' . $h;
$method = 'fixed-height';
}
}
}
unset($options['width']);
unset($options['height']);
if ($method) {
$url .= '/' . $method;
unset($options['method']);
}
}
} else {
$url .= (empty($src->constructor) ? $src->model_id : $src->constructor) . '/' . $src->nid;
if ($version_name) {
$url .= '/thumbnails/' . $version_name;
} else {
if ($w || $h) {
$url .= '/';
if ($w && $h) {
$url .= $w . 'x' . $h;
} else {
if ($w) {
$url .= $w;
$method = 'fixed-width';
} else {
if ($h) {
$url .= 'x' . $h;
$method = 'fixed-height';
}
}
}
unset($options['width']);
unset($options['height']);
if ($method) {
$url .= '/' . $method;
unset($options['method']);
}
} else {
$url .= '/thumbnail';
}
}
}
if ($options) {
$url .= '?' . http_build_query(Version::shorten($options));
}
return $url;
}