mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
9af317a264
(merged from branches/gsoc) git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41973 467b73ca-7a2a-4603-9d3b-597d59a354a9
64 lines
1.5 KiB
PHP
Executable File
64 lines
1.5 KiB
PHP
Executable File
<?php
|
|
|
|
/**
|
|
* @package sapphire
|
|
* @subpackage core
|
|
*/
|
|
|
|
/**
|
|
* Plug-ins for additional functionality in your DataObjects.
|
|
* DataObject decorators add extra functionality to your data objects.
|
|
*/
|
|
abstract class DataObjectDecorator extends Extension {
|
|
|
|
/**
|
|
* Load the extra database fields defined in extraDBFields.
|
|
*/
|
|
function loadExtraDBFields() {
|
|
$fields = $this->extraDBFields();
|
|
$className = $this->owner->class;
|
|
if($fields) {
|
|
foreach($fields as $relationType => $fields) {
|
|
if(in_array($relationType, array('db', 'has_one', 'indexes',
|
|
'defaults', 'many_many',
|
|
'belongs_many_many',
|
|
'many_many_extraFields'))) {
|
|
eval("$className::\$$relationType = array_merge((array){$className}::\$$relationType, (array)\$fields);");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Edit the given query object to support queries for this extension.
|
|
* @param SQLQuery $query Query to augment.
|
|
*/
|
|
function augmentSQL(SQLQuery &$query) {
|
|
|
|
}
|
|
|
|
/**
|
|
* Update the database schema as required by this extension.
|
|
*/
|
|
function augmentDatabase() {
|
|
|
|
}
|
|
|
|
/**
|
|
* Define extra database fields.
|
|
* Return an map where the keys are db, has_one, etc, and the values are additional fields / relations to be defined.
|
|
*/
|
|
function extraDBFields() {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* This function is used to provide modifications to the form in the CMS by the
|
|
* decorator. By default, no changes are made - if you want you can overload
|
|
* this function.
|
|
*/
|
|
function updateCMSFields(FieldSet &$fields) {
|
|
}
|
|
}
|
|
|
|
?>
|