/**
* Retrieve a property from a legend or create a new one.
*
* @param string $name The legend name.
*
* @param LegendInterface $legend The legend instance.
*
* @return PropertyInterface
*/
protected function getProperty($name, $legend)
{
foreach ($legend->getProperties() as $property) {
if ($property->getName() == $name) {
return $property;
}
}
$property = new Property($name);
$legend->addProperty($property);
return $property;
}
/**
* Fill a legend from a multidimensional array of properties.
*
* @param LegendInterface $legend The legend.
*
* @param array $properties The properties.
*
* @return void
*
* @throws DcGeneralInvalidArgumentException When an invalid property is encountered.
*/
public static function fillLegend(LegendInterface $legend, array $properties)
{
foreach ($properties as $property) {
if ($property instanceof PropertyInterface) {
$legend->addProperty($property);
} elseif (is_array($property)) {
static::fillLegend($legend, $property);
} else {
$type = is_object($property) ? get_class($property) : gettype($property);
throw new DcGeneralInvalidArgumentException('Property [' . $type . '] does not implement PropertyInterface');
}
}
}
