/**
* Recursively add all subselect properties to their parent. Even when they are member of a subselect themselves.
*
* @param Legend $legend The legend to add the properties to.
*
* @param array $subSelectPalettes All subselect palettes.
*
* @param string $propertyName The name of the property for which all dependant properties shall get added.
*
* @param string $legendName The name of the legend for which properties shall get retrieved.
*/
protected function addSubSelectProperties(Legend $legend, $subSelectPalettes, $propertyName, $legendName = '', $insert = 'before', $reference = null)
{
if (!isset($subSelectPalettes[$propertyName][$legendName])) {
return;
}
$position = null;
if ($insert && $reference) {
$properties = $legend->getProperties();
if (!empty($properties)) {
$property = current($properties);
do {
if ($property->getName() == $reference) {
if ($insert == 'before') {
$position = $property;
} elseif ($insert == 'after') {
$position = next($properties);
}
break;
}
} while ($property = next($properties));
}
}
if ($position === false) {
$position = null;
}
$legend->addProperties($subSelectPalettes[$propertyName][$legendName], $position);
foreach ((array) $subSelectPalettes[$propertyName][$legendName] as $property) {
/** @var Property $property */
// Add anonymous legends for this property.
if (isset($subSelectPalettes[$property->getName()][''])) {
$legend->addProperties($subSelectPalettes[$property->getName()]['']);
}
if (isset($subSelectPalettes[$property->getName()][$legendName])) {
$this->addSubSelectProperties($legend, $subSelectPalettes, $property->getName(), $legendName, $insert, $reference);
}
}
}
