function merge($hash)
{
if ($hash instanceof Enumerable) {
$hash = $hash->array;
}
return call_class_method($this->class, 'new_instance', array(array_merge($this->array, $hash)));
}
function instance($values)
{
$instance = call_class_method($this->class, 'new_instance', array($this->members));
$values = func_get_args();
foreach ($this->members as $key => $member) {
$instance->{$member} = $values[$key];
}
return $instance;
}
protected function &__get($property)
{
if (isset($this->{$property})) {
return $this->instance_variables[$property];
} else {
$this->instance_variables = array_merge(call_class_method($this->class, 'properties'), $this->instance_variables);
if (isset($this->instance_variables[$property])) {
return $this->instance_variables[$property];
} else {
trigger_error('Undefined property $' . $property, E_USER_ERROR);
}
}
}
function delegate($delegated_methods)
{
$delegated_methods = func_get_args();
$receiver = array_pop($delegated_methods);
if (empty($delegated_methods)) {
trigger_error('The last argument to delegate() must be an object or a string representing a class or method', E_USER_ERROR);
} else {
$class = get_called_class();
$methods =& call_class_method($class, 'methods');
foreach ($delegated_methods as $delegated_method) {
if (!isset($methods[$delegated_method])) {
$methods[$delegated_method] = array();
}
array_unshift($methods[$delegated_method], array($receiver, $delegated_method));
}
}
}
static function update_derived_modules()
{
$class = get_called_class();
$ancestors = call_class_method($class, 'ancestors');
foreach (Module::$mixins as $module => &$mixins) {
if ($module != $class && in_array($class, $mixins['ancestors'])) {
array_splice($mixins['ancestors'], array_search($class, $mixins['ancestors']), count($mixins['ancestors']), $ancestors);
$mixins['methods'] = false;
$mixins['properties'] = false;
}
}
}
function sort_by($block, $sort_flags = null)
{
$sorted = $this->inject(new Hash(), '$object[$key] = evaluate_block(\'' . $block . '\', get_defined_vars()); return $object;')->sort($sort_flags);
$result = call_class_method($this->class, 'new_instance');
foreach ($sorted as $key => $value) {
$result[$key] = $this[$key];
}
return $result;
}
