80 lines
1.3 KiB
PHP
80 lines
1.3 KiB
PHP
<?php
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namespace SilverStripe\ORM;
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/**
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* Representation of a DataModel - a collection of DataLists for each different
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* data type.
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*
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* Usage:
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* <code>
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* $model = new DataModel;
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* $mainMenu = $model->SiteTree->where('"ParentID" = 0 AND "ShowInMenus" = 1');
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* </code>
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*
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* @package framework
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* @subpackage orm
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*/
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class DataModel {
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/**
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* @var DataModel
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*/
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protected static $inst;
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/**
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* @var array $customDataLists
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*/
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protected $customDataLists = array();
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/**
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* Get the global DataModel.
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*
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* @return DataModel
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*/
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public static function inst() {
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if(!self::$inst) {
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self::$inst = new self;
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}
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return self::$inst;
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}
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/**
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* Set the global DataModel, used when data is requested from static
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* methods.
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*
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* @return DataModel
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*/
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public static function set_inst(DataModel $inst) {
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self::$inst = $inst;
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}
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/**
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* @param string
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*
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* @return DataList
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*/
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public function __get($class) {
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if(isset($this->customDataLists[$class])) {
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return clone $this->customDataLists[$class];
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} else {
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$list = DataList::create($class);
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$list->setDataModel($this);
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return $list;
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}
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}
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/**
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* @param string
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* @param DataList
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*/
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public function __set($class, $item) {
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$item = clone $item;
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$item->setDataModel($this);
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$this->customDataLists[$class] = $item;
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}
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}
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