mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-28 13:36:12 +02:00
160 lines
4.0 KiB
PHP
160 lines
4.0 KiB
PHP
<?php
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/**
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* A base class for decorators that wrap around a list to provide additional
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* functionality. It passes through list methods to the underlying list
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* implementation.
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*
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* @package sapphire
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* @subpackage model
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*/
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abstract class SS_ListDecorator extends ViewableData implements SS_List, SS_Sortable, SS_Filterable, SS_Limitable {
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protected $list;
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public function __construct(SS_List $list) {
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$this->list = $list;
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$this->failover = $this->list;
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parent::__construct();
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}
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/**
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* Returns the list this decorator wraps around.
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*
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* @return SS_List
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*/
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public function getList() {
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return $this->list;
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}
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// PROXIED METHODS ---------------------------------------------------------
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public function offsetExists($key) {
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return $this->list->offsetExists($key);
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}
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public function offsetGet($key) {
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return $this->list->offsetGet($key);
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}
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public function offsetSet($key, $value) {
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$this->list->offsetSet($key, $value);
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}
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public function offsetUnset($key) {
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$this->list->offsetUnset($key);
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}
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public function toArray($index = null) {
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return $this->list->toArray($index);
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}
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public function toNestedArray($index = null){
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return $this->list->toNestedArray($index);
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}
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public function add($item) {
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$this->list->add($item);
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}
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public function remove($itemObject) {
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$this->list->remove($itemObject);
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}
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public function getIterator() {
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return $this->list->getIterator();
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}
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public function exists() {
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return $this->list->exists();
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}
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public function First() {
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return $this->list->First();
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}
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public function Last() {
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return $this->list->Last();
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}
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public function TotalItems() {
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return $this->list->TotalItems();
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}
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public function Count() {
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return $this->list->Count();
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}
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public function forTemplate() {
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return $this->list->forTemplate();
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}
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public function map($index = 'ID', $titleField = 'Title', $emptyString = null, $sort = false) {
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return $this->list->map($index, $titleField, $emptyString, $sort);
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}
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public function find($key, $value) {
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return $this->list->find($key, $value);
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}
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public function column($value = 'ID') {
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return $this->list->column($value);
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}
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public function canSortBy($by) {
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return $this->list->canSortBy($by);
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}
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/**
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* Sorts this list by one or more fields. You can either pass in a single
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* field name and direction, or a map of field names to sort directions.
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*
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* @example $list->sort('Name'); // default ASC sorting
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* @example $list->sort('Name DESC'); // DESC sorting
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* @example $list->sort('Name', 'ASC');
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* @example $list->sort(array('Name'=>'ASC,'Age'=>'DESC'));
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*/
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public function sort() {
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$args = func_get_args();
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return call_user_func_array(array($this->list, 'sort'), $args);
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}
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public function canFilterBy($by) {
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return $this->list->canFilterBy($by);
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}
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/**
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* Filter the list to include items with these charactaristics
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*
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* @example $list->filter('Name', 'bob'); // only bob in list
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* @example $list->filter('Name', array('aziz', 'bob'); // aziz and bob in list
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* @example $list->filter(array('Name'=>'bob, 'Age'=>21)); // bob or someone with Age 21
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* @example $list->filter(array('Name'=>'bob, 'Age'=>array(21, 43))); // bob or anyone with Age 21 or 43
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*/
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public function filter(){
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$args = func_get_args();
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return call_user_func_array(array($this->list, 'filter'), $args);
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}
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public function limit($limit, $offset = 0) {
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return $this->list->limit($limit, $offset);
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}
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/**
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* Exclude the list to not contain items with these charactaristics
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*
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* @example $list->exclude('Name', 'bob'); // exclude bob from list
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* @example $list->exclude('Name', array('aziz', 'bob'); // exclude aziz and bob from list
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* @example $list->exclude(array('Name'=>'bob, 'Age'=>21)); // exclude bob or someone with Age 21
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* @example $list->exclude(array('Name'=>'bob, 'Age'=>array(21, 43))); // exclude bob or anyone with Age 21 or 43
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*/
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public function exclude(){
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$args = func_get_args();
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return call_user_func_array(array($this->list, 'exclude'), $args);
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}
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public function debug() {
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return $this->list->debug();
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}
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} |