silverstripe-framework/model/ListDecorator.php

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<?php
/**
* A base class for decorators that wrap around a list to provide additional
* functionality. It passes through list methods to the underlying list
* implementation.
*
* @package sapphire
* @subpackage model
*/
abstract class SS_ListDecorator extends ViewableData implements SS_List {
protected $list;
public function __construct(SS_List $list) {
$this->list = $list;
$this->failover = $this->list;
parent::__construct();
}
/**
* Returns the list this decorator wraps around.
*
* @return SS_List
*/
public function getList() {
return $this->list;
}
// PROXIED METHODS ---------------------------------------------------------
public function offsetExists($key) {
return $this->list->offsetExists($key);
}
public function offsetGet($key) {
return $this->list->offsetGet($key);
}
public function offsetSet($key, $value) {
$this->list->offsetSet($key, $value);
}
public function offsetUnset($key) {
$this->list->offsetUnset($key);
}
public function toArray($index = null) {
return $this->list->toArray($index);
}
public function toNestedArray($index = null){
return $this->list->toNestedArray($index);
}
public function add($item) {
$this->list->add($item);
}
public function remove($itemObject) {
$this->list->remove($itemObject);
}
public function getRange($offset, $length) {
return $this->list->getRange($offset, $length);
}
public function getIterator() {
return $this->list->getIterator();
}
public function exists() {
return $this->list->exists();
}
public function First() {
return $this->list->First();
}
public function Last() {
return $this->list->Last();
}
public function TotalItems() {
return $this->list->TotalItems();
}
public function Count() {
return $this->list->Count();
}
public function forTemplate() {
return $this->list->forTemplate();
}
public function map($index = 'ID', $titleField = 'Title', $emptyString = null, $sort = false) {
return $this->list->map($index, $titleField, $emptyString, $sort);
}
public function find($key, $value) {
return $this->list->find($key, $value);
}
public function column($value = 'ID') {
return $this->list->column($value);
}
public function canSortBy($by) {
return $this->list->canSortBy($by);
}
public function sort($fieldname, $direction = "ASC") {
$this->list->sort($fieldname, $direction);
}
public function debug() {
return $this->list->debug();
}
}