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