FieldLayout

Type

Class

Namespace

craft\models

Inherits

craft\models\FieldLayout » craft\base\Model » yii\base\Model » yii\base\Component » yii\base\BaseObject

Implements

ArrayAccess, IteratorAggregate, craft\base\ModelInterface, yii\base\Arrayable, yii\base\Configurable, yii\base\StaticInstanceInterface

Uses traits

craft\base\ClonefixTrait, yii\base\ArrayableTrait, yii\base\StaticInstanceTrait

Since

3.0.0

FieldLayout model class.

View source

Public Properties

Property	Description
activeValidators	yii\validators\Validator – The validators applicable to the current scenario.
attributes	array – Attribute values (name => value).
availableCustomFields	\craft\fieldlayoutelements\BaseField[][]
availableNativeFields	craft\fieldlayoutelements\BaseField[]
availableUiElements	craft\base\FieldLayoutElement[]
behaviors	yii\base\Behavior – List of behaviors attached to this component.
config	array, null
customFieldElements	craft\fieldlayoutelements\CustomField[]
customFields	craft\base\FieldInterface[]
errors	array – Errors for all attributes or the specified attribute.
firstErrors	array – The first errors.
id	integer, null – ID
iterator	ArrayIterator – An iterator for traversing the items in the list.
provider	craft\base\FieldLayoutProviderInterface, null – The field layout’s provider.
reservedFieldHandles	string[], null – Reserved custom field handles
scenario	string – The scenario that this model is in.
tabs	craft\models\FieldLayoutTab[] – The layout’s tabs.
type	string, null – The element type
uid	string – UID
validators	ArrayObject, yii\validators\Validator – All the validators declared in the model.

availableCustomFields

Type

\craft\fieldlayoutelements\BaseField[][]

Default value

null

Access

Read-only

Since

3.5.0

View source

availableNativeFields

Type

craft\fieldlayoutelements\BaseField[]

Default value

null

Access

Read-only

Since

3.5.0

View source

availableUiElements

Type

craft\base\FieldLayoutElement[]

Default value

null

Access

Read-only

Since

3.5.0

View source

config

Type

array, null

Default value

null

Access

Read-only

Since

3.1.0

View source

customFieldElements

Type

craft\fieldlayoutelements\CustomField[]

Default value

null

Access

Read-only

Since

3.7.27

View source

customFields

Type

craft\base\FieldInterface[]

Default value

null

Access

Read-only

Since

4.0.0

View source

id

Type

integer, null

Default value

null

ID

View source

provider

Type

craft\base\FieldLayoutProviderInterface, null

Default value

null

Since

4.5.0

The field layout’s provider.

View source

reservedFieldHandles

Type

string[], null

Default value

null

Since

3.7.0

Reserved custom field handles

View source

tabs

Type

craft\models\FieldLayoutTab[]

Default value

null

The layout’s tabs.

View source

type

Type

string, null

Default value

null

The element type

View source

uid

Type

string

Default value

null

UID

View source

Public Methods

Method	Description
__call()	Calls the named method which is not a class method.
__clone()	This method is called after the object is created by cloning an existing one.
__construct()
__get()	Returns the value of a component property.
__isset()	Checks if a property is set, i.e. defined and not null.
__set()	Sets the value of a component property.
__unset()	Sets a component property to be null.
activeAttributes()	Returns the attribute names that are subject to validation in the current scenario.
addError()	Adds a new error to the specified attribute.
addErrors()	Adds a list of errors.
addModelErrors()	Adds errors from another model, with a given attribute name prefix.
afterValidate()	This method is invoked after validation ends.
attachBehavior()	Attaches a behavior to this component.
attachBehaviors()	Attaches a list of behaviors to the component.
attributeHints()	Returns the attribute hints.
attributeLabels()	Returns the attribute labels.
attributes()	Returns the list of attribute names.
beforeValidate()	This method is invoked before validation starts.
behaviors()	Returns a list of behaviors that this component should behave as.
canGetProperty()	Returns a value indicating whether a property can be read.
canSetProperty()	Returns a value indicating whether a property can be set.
className()	Returns the fully qualified name of this class.
clearErrors()	Removes errors for all attributes or a single attribute.
createForm()	Creates a new craft\models\FieldLayoutForm object for the given element.
createFromConfig()	Creates a new field layout from the given config.
createValidators()	Creates validator objects based on the validation rules specified in rules().
datetimeAttributes()	Returns the names of any attributes that should hold DateTime values.
detachBehavior()	Detaches a behavior from the component.
detachBehaviors()	Detaches all behaviors from the component.
ensureBehaviors()	Makes sure that the behaviors declared in behaviors() are attached to this component.
extraFields()	Returns the list of fields that can be expanded further and returned by toArray().
fields()	Returns the list of fields that should be returned by default by toArray() when no specific fields are specified.
formName()	Returns the form name that this model class should use.
generateAttributeLabel()	Generates a user friendly attribute label based on the give attribute name.
getActiveValidators()	Returns the validators applicable to the current scenario.
getAttributeHint()	Returns the text hint for the specified attribute.
getAttributeLabel()	Returns the text label for the specified attribute.
getAttributes()	Returns attribute values.
getAvailableCustomFields()	Returns the available fields, grouped by field group name.
getAvailableNativeFields()	Returns the available native fields.
getAvailableUiElements()	Returns the layout elements that are available to the field layout, grouped by the type name and (optionally) group name.
getBehavior()	Returns the named behavior object.
getBehaviors()	Returns all behaviors attached to this component.
getConfig()	Returns the field layout’s config.
getCustomFieldElements()	Returns the layout elements representing custom fields.
getCustomFields()	Returns the custom fields included in the layout.
getElementsByType()	Returns the layout elements of a given type.
getErrorSummary()	Returns the errors for all attributes as a one-dimensional array.
getErrors()	Returns the errors for all attributes or a single attribute.
getField()	Returns a field that’s included in the layout by its attribute.
getFieldByHandle()	Returns a custom field by its handle.
getFirstElementByType()	Returns the first layout element of a given type.
getFirstError()	Returns the first error of the specified attribute.
getFirstErrors()	Returns the first error of every attribute in the model.
getFirstVisibleElementByType()	Returns the first visible layout element of a given type, taking conditions into account.
getIterator()	Returns an iterator for traversing the attributes in the model.
getScenario()	Returns the scenario that this model is used in.
getTabs()	Returns the layout’s tabs.
getValidators()	Returns all the validators declared in rules().
getVisibleCustomFieldElements()	Returns the visible layout elements representing custom fields, taking conditions into account.
getVisibleCustomFields()	Returns the visible custom fields included in the layout, taking conditions into account.
getVisibleElementsByType()	Returns the visible layout elements of a given type, taking conditions into account.
hasErrors()	Returns a value indicating whether there is any validation error.
hasEventHandlers()	Returns a value indicating whether there is any handler attached to the named event.
hasMethod()	Returns a value indicating whether a method is defined.
hasProperty()	Returns a value indicating whether a property is defined for this component.
init()	Initializes the object.
instance()	Returns static class instance, which can be used to obtain meta information.
isAttributeActive()	Returns a value indicating whether the attribute is active in the current scenario.
isAttributeRequired()	Returns a value indicating whether the attribute is required.
isAttributeSafe()	Returns a value indicating whether the attribute is safe for massive assignments.
isFieldIncluded()	Returns whether a field is included in the layout by its attribute.
load()	Populates the model with input data.
loadMultiple()	Populates a set of models with the data from end user.
off()	Detaches an existing event handler from this component.
offsetExists()	Returns whether there is an element at the specified offset.
offsetGet()	Returns the element at the specified offset.
offsetSet()	Sets the element at the specified offset.
offsetUnset()	Sets the element value at the specified offset to null.
on()	Attaches an event handler to an event.
onUnsafeAttribute()	This method is invoked when an unsafe attribute is being massively assigned.
rules()	Returns the validation rules for attributes.
safeAttributes()	Returns the attribute names that are safe to be massively assigned in the current scenario.
scenarios()	Returns a list of scenarios and the corresponding active attributes.
setAttributes()	Sets the attribute values in a massive way.
setScenario()	Sets the scenario for the model.
setTabs()	Sets the layout’s tabs.
toArray()	Converts the model into an array.
trigger()	Triggers an event.
validate()	Performs the data validation.
validateFields()	Validates the field selections.
validateMultiple()	Validates multiple models.

createForm()

Since

3.5.0

Creates a new craft\models\FieldLayoutForm object for the given element.

The $config array can contain the following keys:

• tabIdPrefix – prefix that should be applied to the tab content containers’ id attributes
• namespace – Namespace that should be applied to the tab contents
• registerDeltas – Whether delta name registration should be enabled/disabled for the form (by default its state will be left alone)
• visibleElements – Lists of already-visible layout elements from craft\models\FieldLayoutForm::getVisibleElements()

View source

Arguments

• $element (craft\base\ElementInterface, null) – The element the form is being rendered for
• $static (boolean) – Whether the form should be static (non-interactive)
• $config (array) – The craft\models\FieldLayoutForm config

Returns

craft\models\FieldLayoutForm

createFromConfig()

Since

3.1.0

Creates a new field layout from the given config.

View source

Arguments

• $config (array)

Returns

self

getAvailableCustomFields()

Since

3.5.0

Returns the available fields, grouped by field group name.

View source

Returns

\craft\fieldlayoutelements\BaseField[][]

getAvailableNativeFields()

Since

3.5.0

Returns the available native fields.

View source

Returns

craft\fieldlayoutelements\BaseField[]

getAvailableUiElements()

Since

3.5.0

Returns the layout elements that are available to the field layout, grouped by the type name and (optionally) group name.

View source

Returns

craft\base\FieldLayoutElement[]

getConfig()

Since

3.1.0

Returns the field layout’s config.

View source

Returns

array, null

getCustomFieldElements()

Since

3.7.27

Returns the layout elements representing custom fields.

View source

Returns

craft\fieldlayoutelements\CustomField[]

getCustomFields()

Since

4.0.0

Returns the custom fields included in the layout.

View source

Returns

craft\base\FieldInterface[]

getElementsByType()

Since

4.0.0

Returns the layout elements of a given type.

View source

Arguments

• $class (string)

Returns

\craft\models\T[]

getField()

Since

3.5.0

Returns a field that’s included in the layout by its attribute.

View source

Arguments

• $attribute (string)

Returns

craft\fieldlayoutelements\BaseField

Throws

• yii\base\InvalidArgumentException
  if the field isn’t included

getFieldByHandle()

Returns a custom field by its handle.

View source

Arguments

• $handle (string) – The field handle.

Returns

craft\base\FieldInterface, null

getFirstElementByType()

Since

4.0.0

Returns the first layout element of a given type.

View source

Arguments

• $class (string)

Returns

\craft\models\T, null – The layout element, or null if none were found

getFirstVisibleElementByType()

Since

4.0.0

Returns the first visible layout element of a given type, taking conditions into account.

View source

Arguments

• $class (string)
• $element (craft\base\ElementInterface)

Returns

\craft\models\T, null – The layout element, or null if none were found

getTabs()

Returns the layout’s tabs.

View source

Returns

craft\models\FieldLayoutTab[] – The layout’s tabs.

getVisibleCustomFieldElements()

Since

4.1.4

Returns the visible layout elements representing custom fields, taking conditions into account.

View source

Arguments

• $element (craft\base\ElementInterface)

Returns

craft\fieldlayoutelements\CustomField[]

getVisibleCustomFields()

Since

4.0.0

Returns the visible custom fields included in the layout, taking conditions into account.

View source

Arguments

• $element (craft\base\ElementInterface)

Returns

craft\base\FieldInterface[]

getVisibleElementsByType()

Since

4.0.0

Returns the visible layout elements of a given type, taking conditions into account.

View source

Arguments

• $class (string)
• $element (craft\base\ElementInterface)

Returns

\craft\models\T[]

init()

Initializes the object.

This method is invoked at the end of the constructor after the object is initialized with the given configuration.

View source

isFieldIncluded()

Since

3.5.0

Returns whether a field is included in the layout by its attribute.

View source

Arguments

• $attribute (string)

Returns

boolean

setTabs()

Sets the layout’s tabs.

View source

Arguments

• $tabs (array) – An array of the layout’s tabs, which can either be FieldLayoutTab objects or arrays defining the tab’s attributes.

validateFields()

Since

3.7.0

Validates the field selections.

View source

Protected Methods

Method	Description
defineBehaviors()	Returns the behaviors to attach to this class.
defineRules()	Returns the validation rules for attributes.
extractFieldsFor()	Extract nested fields from a fields collection for a given root field Nested fields are separated with dots (.). e.g: "item.id" The previous example would extract "id".
extractRootFields()	Extracts the root field names from nested fields.
resolveFields()	Determines which fields can be returned by toArray().

defineRules()

Since

3.4.0

Returns the validation rules for attributes.

See rules() for details about what should be returned.

Models should override this method instead of rules() so EVENT_DEFINE_RULES handlers can modify the class-defined rules.

View source

Returns

array

Constants

Constant	Description
SCENARIO_DEFAULT	The name of the default scenario.

Events

EVENT_CREATE_FORM

Type

craft\events\CreateFieldLayoutFormEvent

Since

3.6.0

The event that is triggered when creating a new field layout form.

use craft\elements\Entry;
use craft\events\CreateFieldLayoutFormEvent;
use craft\fieldlayoutelements\HorizontalRule;
use craft\fieldlayoutelements\StandardTextField;
use craft\fieldlayoutelements\Template;
use craft\models\FieldLayout;
use craft\models\FieldLayoutTab;
use yii\base\Event;

Event::on(
    FieldLayout::class,
    FieldLayout::EVENT_CREATE_FORM,
    function(CreateFieldLayoutFormEvent $event) {
        if ($event->element instanceof Entry) {
            $event->tabs[] = new FieldLayoutTab([
                'name' => 'My Tab',
                'elements' => [
                    new StandardTextField([
                        'attribute' => 'myTextField',
                        'label' => 'My Text Field',
                    ]),
                    new HorizontalRule(),
                    new Template([
                        'template' => '_layout-elements/info'
                    ]),
                ],
            ]);
        }
    }
);

See also createForm()

---

EVENT_DEFINE_CUSTOM_FIELDS

Type

craft\events\DefineFieldLayoutCustomFieldsEvent

Since

4.2.0

The event that is triggered when defining the custom fields for the layout.

Note that fields set on craft\events\DefineFieldLayoutCustomFieldsEvent::$fields will be grouped by field group, indexed by the group names.

use craft\models\FieldLayout;
use craft\events\DefineFieldLayoutFieldsEvent;
use craft\fields\PlainText;
use yii\base\Event;

Event::on(
    FieldLayout::class,
    FieldLayout::EVENT_DEFINE_CUSTOM_FIELDS,
    function(DefineFieldLayoutFieldsEvent $event) {
        // @var FieldLayout $layout
        $layout = $event->sender;

        if ($layout->type === MyElementType::class) {
            // Only allow Plain Text fields
            foreach ($event->fields as $groupName => &$fields) {
                $fields = array_filter($fields, fn($field) => $field instanceof PlainText);
            }
        }
    }
);

See also getAvailableCustomFields()

---

EVENT_DEFINE_NATIVE_FIELDS

Type

craft\events\DefineFieldLayoutFieldsEvent

Since

4.0.0

The event that is triggered when defining the native (not custom) fields for the layout.

use craft\models\FieldLayout;
use craft\events\DefineFieldLayoutFieldsEvent;
use yii\base\Event;

Event::on(
    FieldLayout::class,
    FieldLayout::EVENT_DEFINE_NATIVE_FIELDS,
    function(DefineFieldLayoutFieldsEvent $event) {
        // @var FieldLayout $layout
        $layout = $event->sender;

        if ($layout->type === MyElementType::class) {
            $event->fields[] = MyNativeField::class;
        }
    }
);

See also getAvailableNativeFields()

---

EVENT_DEFINE_UI_ELEMENTS

Type

craft\events\DefineFieldLayoutElementsEvent

Since

3.5.0

The event that is triggered when defining UI elements for the layout.

use craft\models\FieldLayout;
use craft\events\DefineFieldLayoutElementsEvent;
use yii\base\Event;

Event::on(
    FieldLayout::class,
    FieldLayout::EVENT_DEFINE_UI_ELEMENTS,
    function(DefineFieldLayoutElementsEvent $event) {
        $event->elements[] = MyUiElement::class;
    }
);

See also getAvailableUiElements()

---