mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-27 21:15:40 +02:00
206 lines
5.4 KiB
PHP
206 lines
5.4 KiB
PHP
<?php
|
|
/**
|
|
An extension that adds additional functionality to a {@link DataObject}.
|
|
*
|
|
* @package framework
|
|
* @subpackage model
|
|
*/
|
|
abstract class DataExtension extends Extension {
|
|
|
|
/**
|
|
* Statics on a {@link DataObject} subclass
|
|
* which can be extended by an extension. This list is
|
|
* limited for security and performance reasons.
|
|
*
|
|
* Keys are the static names, and the values are whether or not the value is an array that should
|
|
* be merged.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected static $extendable_statics = array(
|
|
'db' => true,
|
|
'has_one' => true,
|
|
'belongs_to' => true,
|
|
'indexes' => true,
|
|
'defaults' => true,
|
|
'has_many' => true,
|
|
'many_many' => true,
|
|
'belongs_many_many' => true,
|
|
'many_many_extraFields' => true,
|
|
'searchable_fields' => true,
|
|
'api_access' => false,
|
|
);
|
|
|
|
static function get_extra_config($class, $extension, $args) {
|
|
if(method_exists($extension, 'extraDBFields')) {
|
|
$extraStaticsMethod = 'extraDBFields';
|
|
} else {
|
|
$extraStaticsMethod = 'extraStatics';
|
|
}
|
|
|
|
$statics = Injector::inst()->get($extension, true, $args)->$extraStaticsMethod($class, $extension);
|
|
|
|
if ($statics) {
|
|
Deprecation::notice('3.1.0', "$extraStaticsMethod deprecated. Just define statics on your extension, or use get_extra_config", Deprecation::SCOPE_GLOBAL);
|
|
return $statics;
|
|
}
|
|
}
|
|
|
|
public static function unload_extra_statics($class, $extension) {
|
|
throw new Exception('unload_extra_statics gone');
|
|
}
|
|
|
|
/**
|
|
* Hook for extension-specific validation.
|
|
*
|
|
* @param $validationResult Local validation result
|
|
* @throws ValidationException
|
|
*/
|
|
function validate(ValidationResult $validationResult) {
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* When duplicating a table's structure, remember to duplicate the create options
|
|
* as well. See {@link Versioned->augmentDatabase} for an example.
|
|
*/
|
|
function augmentDatabase() {
|
|
}
|
|
|
|
/**
|
|
* Augment a write-record request.
|
|
*
|
|
* @param SQLQuery $manipulation Query to augment.
|
|
*/
|
|
function augmentWrite(&$manipulation) {
|
|
}
|
|
|
|
function onBeforeWrite() {
|
|
}
|
|
|
|
function onAfterWrite() {
|
|
}
|
|
|
|
function onBeforeDelete() {
|
|
}
|
|
|
|
function onAfterDelete() {
|
|
}
|
|
|
|
function requireDefaultRecords() {
|
|
}
|
|
|
|
function populateDefaults() {
|
|
}
|
|
|
|
function can($member) {
|
|
}
|
|
|
|
function canEdit($member) {
|
|
}
|
|
|
|
function canDelete($member) {
|
|
}
|
|
|
|
function canCreate($member) {
|
|
}
|
|
|
|
/**
|
|
* Define extra database fields
|
|
*
|
|
* Return a map where the keys are db, has_one, etc, and the values are
|
|
* additional fields/relations to be defined.
|
|
*
|
|
* @param $class since this method might be called on the class directly
|
|
* @param $extension since this can help to extract parameters to help set indexes
|
|
*
|
|
* @return array Returns a map where the keys are db, has_one, etc, and
|
|
* the values are additional fields/relations to be defined.
|
|
*/
|
|
function extraStatics($class = null, $extension = null) {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* This function is used to provide modifications to the form in the CMS
|
|
* by the extension. By default, no changes are made. {@link DataObject->getCMSFields()}.
|
|
*
|
|
* Please consider using {@link updateFormFields()} to globally add
|
|
* formfields to the record. The method {@link updateCMSFields()}
|
|
* should just be used to add or modify tabs, or fields which
|
|
* are specific to the CMS-context.
|
|
*
|
|
* Caution: Use {@link FieldList->addFieldToTab()} to add fields.
|
|
*
|
|
* @param FieldList $fields FieldList with a contained TabSet
|
|
*/
|
|
function updateCMSFields(FieldList $fields) {
|
|
}
|
|
|
|
/**
|
|
* This function is used to provide modifications to the form used
|
|
* for front end forms. {@link DataObject->getFrontEndFields()}
|
|
*
|
|
* Caution: Use {@link FieldList->push()} to add fields.
|
|
*
|
|
* @param FieldList $fields FieldList without TabSet nesting
|
|
*/
|
|
function updateFrontEndFields(FieldList $fields) {
|
|
}
|
|
|
|
/**
|
|
* This is used to provide modifications to the form actions
|
|
* used in the CMS. {@link DataObject->getCMSActions()}.
|
|
*
|
|
* @param FieldList $actions FieldList
|
|
*/
|
|
function updateCMSActions(FieldList $actions) {
|
|
}
|
|
|
|
/**
|
|
* this function is used to provide modifications to the summary fields in CMS
|
|
* by the extension
|
|
* By default, the summaryField() of its owner will merge more fields defined in the extension's
|
|
* $extra_fields['summary_fields']
|
|
*
|
|
* @param array $fields Array of field names
|
|
*/
|
|
function updateSummaryFields(&$fields) {
|
|
$summary_fields = Config::inst()->get($this->class, 'summary_fields');
|
|
if($summary_fields) {
|
|
// if summary_fields were passed in numeric array,
|
|
// convert to an associative array
|
|
if($summary_fields && array_key_exists(0, $summary_fields)) {
|
|
$summary_fields = array_combine(array_values($summary_fields), array_values($summary_fields));
|
|
}
|
|
if($summary_fields) $fields = array_merge($fields, $summary_fields);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* this function is used to provide modifications to the fields labels in CMS
|
|
* by the extension
|
|
* By default, the fieldLabels() of its owner will merge more fields defined in the extension's
|
|
* $extra_fields['field_labels']
|
|
*
|
|
* @param array $labels Array of field labels
|
|
*/
|
|
function updateFieldLabels(&$labels) {
|
|
$field_labels = Config::inst()->get($this->class, 'field_labels');
|
|
if($field_labels) {
|
|
$labels = array_merge($labels, $field_labels);
|
|
}
|
|
}
|
|
|
|
}
|
|
|