mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-27 04:56:02 +02:00
166 lines
4.5 KiB
PHP
166 lines
4.5 KiB
PHP
<?php
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/**
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* An extension that adds additional functionality to a {@link DataObject}.
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*
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* @package framework
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* @subpackage model
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*/
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abstract class DataExtension extends Extension {
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public static function unload_extra_statics($class, $extension) {
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throw new Exception('unload_extra_statics gone');
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}
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/**
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* Hook for extension-specific validation.
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*
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* @param $validationResult Local validation result
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* @throws ValidationException
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*/
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public function validate(ValidationResult $validationResult) {
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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 SQLSelect $query Query to augment.
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*/
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public function augmentSQL(SQLSelect $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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* When duplicating a table's structure, remember to duplicate the create options
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* as well. See {@link Versioned->augmentDatabase} for an example.
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*/
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public function augmentDatabase() {
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}
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/**
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* Augment a write-record request.
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*
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* @param array $manipulation Array of operations to augment.
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*/
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public function augmentWrite(&$manipulation) {
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}
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public function onBeforeWrite() {
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}
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public function onAfterWrite() {
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}
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public function onBeforeDelete() {
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}
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public function onAfterDelete() {
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}
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public function requireDefaultRecords() {
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}
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public function populateDefaults() {
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}
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public function can($member) {
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}
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public function canEdit($member) {
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}
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public function canDelete($member) {
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}
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public function canCreate($member) {
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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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* @param $class since this method might be called on the class directly
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* @param $extension since this can help to extract parameters to help set indexes
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*
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* @return array Returns a map where the keys are db, has_one, etc, and
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* the values are additional fields/relations to be defined.
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*/
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public function extraStatics($class = null, $extension = null) {
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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 extension. By default, no changes are made. {@link DataObject->getCMSFields()}.
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*
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* Please consider using {@link updateFormFields()} to globally add
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* formfields to the record. The method {@link updateCMSFields()}
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* should just be used to add or modify tabs, or fields which
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* are specific to the CMS-context.
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*
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* Caution: Use {@link FieldList->addFieldToTab()} to add fields.
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*
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* @param FieldList $fields FieldList with a contained TabSet
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*/
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public function updateCMSFields(FieldList $fields) {
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}
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/**
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* This function is used to provide modifications to the form used
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* for front end forms. {@link DataObject->getFrontEndFields()}
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*
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* Caution: Use {@link FieldList->push()} to add fields.
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*
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* @param FieldList $fields FieldList without TabSet nesting
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*/
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public function updateFrontEndFields(FieldList $fields) {
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}
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/**
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* This is used to provide modifications to the form actions
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* used in the CMS. {@link DataObject->getCMSActions()}.
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*
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* @param FieldList $actions FieldList
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*/
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public function updateCMSActions(FieldList $actions) {
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}
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/**
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* this function is used to provide modifications to the summary fields in CMS
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* by the extension
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* By default, the summaryField() of its owner will merge more fields defined in the extension's
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* $extra_fields['summary_fields']
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*
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* @param array $fields Array of field names
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*/
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public function updateSummaryFields(&$fields) {
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$summary_fields = Config::inst()->get($this->class, 'summary_fields');
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if($summary_fields) {
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// if summary_fields were passed in numeric array,
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// convert to an associative array
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if($summary_fields && array_key_exists(0, $summary_fields)) {
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$summary_fields = array_combine(array_values($summary_fields), array_values($summary_fields));
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}
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if($summary_fields) $fields = array_merge($fields, $summary_fields);
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}
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}
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/**
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* this function is used to provide modifications to the fields labels in CMS
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* by the extension
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* By default, the fieldLabels() of its owner will merge more fields defined in the extension's
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* $extra_fields['field_labels']
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*
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* @param array $labels Array of field labels
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*/
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public function updateFieldLabels(&$labels) {
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$field_labels = Config::inst()->get($this->class, 'field_labels');
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if($field_labels) {
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$labels = array_merge($labels, $field_labels);
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}
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}
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}
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