DataExtension
abstract class DataExtension extends Extension (View source)
An extension that adds additional functionality to a {@link DataObject}.
Properties
$class | from Extension |
Methods
Called when this extension is added to a particular class
Helper method to strip eval'ed arguments from a string thats passed to {@link DataObject::$extensions} or {@link Object::add_extension()}.
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Update the database schema as required by this extension.
Augment a write-record request.
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Define extra database fields
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()}.
This function is used to provide modifications to the form used for front end forms. {@link DataObject->getFrontEndFields()}
This is used to provide modifications to the form actions used in the CMS. {@link DataObject->getCMSActions()}.
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']
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']
Details
__construct()
static
add_to_class(string $class, string $extensionClass, mixed $args = null)
Called when this extension is added to a particular class
setOwner(SS_Object $owner, string $ownerBaseClass = null)
Set the owner of this extension.
clearOwner()
SS_Object
getOwner()
Returns the owner of this extension.
static string
get_classname_without_arguments(string $extensionStr)
Helper method to strip eval'ed arguments from a string thats passed to {@link DataObject::$extensions} or {@link Object::add_extension()}.
static
get_extra_config($class, $extension, $args)
static
unload_extra_statics($class, $extension)
validate(ValidationResult $validationResult)
Hook for extension-specific validation.
augmentSQL(SQLQuery $query)
Edit the given query object to support queries for this extension
augmentDatabase()
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.
augmentWrite(array $manipulation)
Augment a write-record request.
onBeforeWrite()
onAfterWrite()
onBeforeDelete()
onAfterDelete()
requireDefaultRecords()
populateDefaults()
can($member)
canEdit($member)
canDelete($member)
canCreate($member)
array
extraStatics($class = null, $extension = null)
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.
updateCMSFields(FieldList $fields)
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.
updateFrontEndFields(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.
updateCMSActions(FieldList $actions)
This is used to provide modifications to the form actions used in the CMS. {@link DataObject->getCMSActions()}.
updateSummaryFields(array $fields)
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']
updateFieldLabels(array $labels)
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']