mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
bf3c09bec6
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@50105 467b73ca-7a2a-4603-9d3b-597d59a354a9
105 lines
2.6 KiB
PHP
Executable File
105 lines
2.6 KiB
PHP
Executable File
<?php
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/**
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* @package sapphire
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* @subpackage core
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*/
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/**
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* A DataObjectLog is a log of changes that have been made to the database in this session.
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* It was designed to help with updates to the CMS tree, and could be used wherever an Ajax call
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* needs to update a complex on-screen representation of your data.
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*/
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class DataObjectLog extends Object {
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/**
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* The DataObjects that have been added to the database in this session.
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* @var array
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*/
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static $added = array();
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/**
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* The DataObjects that have been deleted from the database in this session.
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* @var array
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*/
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static $deleted = array();
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/**
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* The DataObjects that have been changed in the database in this session.
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*/
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static $changed = array();
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/**
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* Add this DataObject as added in the log.
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* @param DataObject $object
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*/
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static function addedObject($object) {
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self::$added[$object->class][] = $object;
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}
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/**
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* Add this DataObject as deleted in the log.
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* @param DataObject $object
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*/
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static function deletedObject($object) {
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self::$deleted[$object->class][] = $object;
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}
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/**
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* Add this DataObject as changed in the log.
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* @param DataObject $object
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*/
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static function changedObject($object) {
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self::$changed[$object->class][] = $object;
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}
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/**
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* Get all DataObjects that have been added this session that are of
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* the class or a subclass of the class provided.
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* @param string $className The class name.
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* @return array
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*/
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static function getAdded($className) {
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return self::getByClass($className, self::$added);
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}
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/**
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* Get all DataObjects that have been deleted this session that are of
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* the class or a subclass of the class provided.
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* @param string $className The class name.
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* @return array
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*/
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static function getDeleted($className) {
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return self::getByClass($className, self::$deleted);
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}
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/**
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* Get all DataObjects that have been changed this session that are of
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* the class or a subclass of the class provided.
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* @param string $className The class name.
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* @return array
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*/
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static function getChanged($className) {
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return self::getByClass($className, self::$changed);
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}
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/**
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* Get all DataObjects in the given set that are of the class or a
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* subclass of the class provided.
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* @param string $className The class name.
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* @param array $set The set to search in.
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* @return array
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*/
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static function getByClass($className, $set) {
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$allClasses = ClassInfo::subclassesFor($className);
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foreach($allClasses as $subClass) {
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if(isset($set[$subClass])) {
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foreach($set[$subClass] as $page) {
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$result[$page->ID] = $page;
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}
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}
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}
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return isset($result) ? $result : null;
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}
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}
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?>
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