77 lines
1.7 KiB
PHP
Executable File
77 lines
1.7 KiB
PHP
Executable File
<?php
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/**
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* @package sapphire
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* @subpackage model
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*/
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/**
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* Plug-ins for additional functionality in your DataObjects
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*
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* DataObject decorators add extra functionality to your data objects.
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* @package sapphire
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* @subpackage model
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*/
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abstract class DataObjectDecorator extends Extension {
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/**
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* Load the extra database fields defined in extraDBFields.
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*/
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function loadExtraDBFields() {
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$fields = $this->extraDBFields();
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$className = $this->owner->class;
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if($fields) {
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foreach($fields as $relationType => $fields) {
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if(in_array($relationType, array('db', 'has_one', 'indexes', 'defaults', 'has_many', 'many_many', 'belongs_many_many', 'many_many_extraFields'))) {
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eval("$className::\$$relationType = array_merge((array){$className}::\$$relationType, (array)\$fields);");
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}
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}
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}
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}
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/**
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* Edit the given query object to support queries for this extension
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*
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* @param SQLQuery $query Query to augment.
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*/
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function augmentSQL(SQLQuery &$query) {
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}
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/**
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* Update the database schema as required by this extension.
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*/
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function augmentDatabase() {
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}
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/**
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* Define extra database fields
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*
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* Return a map where the keys are db, has_one, etc, and the values are
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* additional fields/relations to be defined.
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*
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* @return array Returns a map where the keys are db, has_one, etc, and
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* the values are additional fields/relations to be defined.
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*/
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function extraDBFields() {
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return array();
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}
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/**
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* This function is used to provide modifications to the form in the CMS
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* by the decorator.
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* By default, no changes are made - if you want you can overload this
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* function.
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*
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* @param FieldSet $fields The FieldSet to modify.
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*/
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function updateCMSFields(FieldSet &$fields) {
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}
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}
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?>
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