/**
* @param string $constant
*
* @return mixed|null
*/
function get_constant($constant)
{
if (is_null($value = parent::get_constant($constant))) {
$value = $this->owner->get_constant($constant);
}
return $value;
}
/**
* @param array $elements
* @param array $args
*/
function __construct($elements = array(), $args = array())
{
$this->_elements = $elements;
parent::__construct($args);
if ($this->_index_by) {
$this->_reindex_elements();
}
}
/**
* @param array $args
*/
function __construct($args = array())
{
/**
* For both model and view, create the items.
*/
foreach (array('model', 'view') as $property_name) {
if (!isset($args[$property_name])) {
/*
* If no model or view class was specified then use the default.
*/
$args[$property_name] = $this->_get_property_class($property_name);
}
if (is_object($args[$property_name])) {
/*
* If it was an object, just assign is.
*/
$this->{$property_name} = $args[$property_name];
} else {
if (is_string($args[$property_name])) {
/**
* It's a class name thus needs no $args
*/
$class_name = $args[$property_name];
$property_args = array();
} else {
if (is_array($args[$property_name])) {
/**
* It's an array of args, so use the default class name
*/
$class_name = $this->_get_property_class($property_name);
$property_args = $args[$property_name];
}
}
if (method_exists($class_name, 'make_new')) {
/*
* If this class has a make_new() method.
* A Class::make_new() method is needed when the class constructor has more than 1 parameter of $args.
*/
$this->{$property_name} = $class_name::make_new($property_args);
} else {
if (class_exists($class_name)) {
/*
* If an array or string, instantiate the class.
*/
$this->{$property_name} = new $class_name($property_args);
} else {
$this->{$property_name} = null;
}
}
}
if (is_object($this->{$property_name}) && property_exists($this->{$property_name}, 'owner')) {
/**
* Set a reference back to the item for both $view and $model.
*/
$this->{$property_name}->owner = $this;
}
/**
* Remove processed args to prevent overwriting them later.
*/
unset($args[$property_name]);
}
parent::__construct($args);
if (count($this->extra_args)) {
/**
* If there are any leftover args, see if we can assign them to
*/
$this->model->set_state($this->extra_args);
/**
* Any extra args will be left in model.
*/
$this->extra_args = array();
}
}