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423
kirby/src/Form/Field.php
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423
kirby/src/Form/Field.php
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<?php
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namespace Kirby\Form;
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use Closure;
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use Kirby\Cms\HasSiblings;
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use Kirby\Exception\InvalidArgumentException;
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use Kirby\Toolkit\Component;
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use Kirby\Toolkit\I18n;
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/**
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* Form Field object that takes a Vue component style
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* array of properties and methods and converts them
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* to a usable field option array for the API.
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*
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* @package Kirby Form
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* @author Bastian Allgeier <bastian@getkirby.com>
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* @link https://getkirby.com
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* @copyright Bastian Allgeier
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* @license https://opensource.org/licenses/MIT
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*
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* @use \Kirby\Cms\HasSiblings<\Kirby\Form\Fields>
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*/
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class Field extends Component
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{
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use HasSiblings;
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use Mixin\Api;
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use Mixin\Model;
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use Mixin\Translatable;
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use Mixin\Validation;
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use Mixin\When;
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use Mixin\Value {
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isEmptyValue as protected isEmptyValueFromMixin;
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}
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/**
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* Parent collection with all fields of the current form
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*/
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protected Fields $siblings;
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/**
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* Registry for all component mixins
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*/
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public static array $mixins = [];
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/**
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* Registry for all component types
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*/
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public static array $types = [];
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/**
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* @throws \Kirby\Exception\InvalidArgumentException
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*/
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public function __construct(
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string $type,
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array $attrs = [],
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Fields|null $siblings = null
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) {
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if (isset(static::$types[$type]) === false) {
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throw new InvalidArgumentException(
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key: 'field.type.missing',
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data: [
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'name' => $attrs['name'] ?? '-',
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'type' => $type
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]
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);
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}
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// use the type as fallback for the name
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$attrs['name'] ??= $type;
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$attrs['type'] = $type;
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// set the name to lowercase
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$attrs['name'] = strtolower($attrs['name']);
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$this->setModel($attrs['model'] ?? null);
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parent::__construct($type, $attrs);
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// set the siblings collection
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$this->siblings = $siblings ?? new Fields([$this]);
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}
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/**
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* Default props and computed of the field
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*/
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public static function defaults(): array
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{
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return [
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'props' => [
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/**
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* Optional text that will be shown after the input
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*/
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'after' => function ($after = null) {
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return I18n::translate($after, $after);
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},
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/**
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* Sets the focus on this field when the form loads. Only the first field with this label gets
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*/
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'autofocus' => function (bool|null $autofocus = null): bool {
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return $autofocus ?? false;
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},
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/**
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* Optional text that will be shown before the input
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*/
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'before' => function ($before = null) {
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return I18n::translate($before, $before);
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},
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/**
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* Default value for the field, which will be used when a page/file/user is created
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*/
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'default' => function ($default = null) {
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return $default;
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},
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/**
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* If `true`, the field is no longer editable and will not be saved
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*/
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'disabled' => function (bool|null $disabled = null): bool {
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return $disabled ?? false;
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},
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/**
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* Optional help text below the field
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*/
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'help' => function ($help = null) {
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return I18n::translate($help, $help);
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},
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/**
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* Optional icon that will be shown at the end of the field
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*/
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'icon' => function (string|null $icon = null) {
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return $icon;
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},
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/**
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* The field label can be set as string or associative array with translations
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*/
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'label' => function ($label = null) {
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return I18n::translate($label, $label);
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},
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/**
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* Optional placeholder value that will be shown when the field is empty
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*/
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'placeholder' => function ($placeholder = null) {
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return I18n::translate($placeholder, $placeholder);
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},
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/**
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* If `true`, the field has to be filled in correctly to be saved.
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*/
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'required' => function (bool|null $required = null): bool {
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return $required ?? false;
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},
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/**
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* If `false`, the field will be disabled in non-default languages and cannot be translated. This is only relevant in multi-language setups.
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*/
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'translate' => function (bool $translate = true): bool {
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return $translate;
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},
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/**
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* Conditions when the field will be shown (since 3.1.0)
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*/
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'when' => function ($when = null) {
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return $when;
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},
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/**
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* The width of the field in the field grid, e.g. `1/1`, `1/2`, `1/3`, `1/4`, `2/3`, `3/4`
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*/
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'width' => function (string $width = '1/1') {
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return $width;
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},
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'value' => function ($value = null) {
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return $value;
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}
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],
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'computed' => [
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'after' => function () {
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/** @var \Kirby\Form\Field $this */
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if ($this->after !== null) {
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return $this->model()->toString($this->after);
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}
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},
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'before' => function () {
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/** @var \Kirby\Form\Field $this */
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if ($this->before !== null) {
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return $this->model()->toString($this->before);
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}
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},
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'default' => function () {
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/** @var \Kirby\Form\Field $this */
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if ($this->default === null) {
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return;
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}
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if (is_string($this->default) === false) {
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return $this->default;
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}
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return $this->model()->toString($this->default);
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},
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'help' => function () {
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/** @var \Kirby\Form\Field $this */
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if ($this->help) {
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$help = $this->model()->toSafeString($this->help);
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$help = $this->kirby()->kirbytext($help);
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return $help;
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}
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},
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'label' => function () {
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/** @var \Kirby\Form\Field $this */
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if ($this->label !== null) {
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return $this->model()->toString($this->label);
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}
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},
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'placeholder' => function () {
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/** @var \Kirby\Form\Field $this */
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if ($this->placeholder !== null) {
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return $this->model()->toString($this->placeholder);
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}
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}
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]
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];
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}
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/**
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* Returns optional dialog routes for the field
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*/
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public function dialogs(): array
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{
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if (
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isset($this->options['dialogs']) === true &&
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$this->options['dialogs'] instanceof Closure
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) {
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return $this->options['dialogs']->call($this);
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}
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return [];
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}
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/**
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* Returns optional drawer routes for the field
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*/
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public function drawers(): array
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{
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if (
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isset($this->options['drawers']) === true &&
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$this->options['drawers'] instanceof Closure
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) {
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return $this->options['drawers']->call($this);
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}
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return [];
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}
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/**
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* Creates a new field instance
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*/
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public static function factory(
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string $type,
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array $attrs = [],
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Fields|null $siblings = null
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): static|FieldClass {
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$field = static::$types[$type] ?? null;
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if (is_string($field) && class_exists($field) === true) {
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$attrs['siblings'] = $siblings;
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return new $field($attrs);
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}
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return new static($type, $attrs, $siblings);
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}
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/**
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* Sets a new value for the field
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*/
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public function fill(mixed $value): static
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{
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// remember the current state to restore it afterwards
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$attrs = $this->attrs;
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$methods = $this->methods;
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$options = $this->options;
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$type = $this->type;
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// overwrite the attribute value
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$this->value = $this->attrs['value'] = $value;
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// reevaluate the value prop
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$this->applyProp('value', $this->options['props']['value'] ?? $value);
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// reevaluate the computed props
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$this->applyComputed($this->options['computed'] ?? []);
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// restore the original state
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$this->attrs = $attrs;
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$this->methods = $methods;
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$this->options = $options;
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$this->type = $type;
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return $this;
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}
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/**
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* @deprecated 5.0.0 Use `::siblings() instead
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*/
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public function formFields(): Fields
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{
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return $this->siblings;
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}
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/**
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* Checks if the field has a value
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*/
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public function hasValue(): bool
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{
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return ($this->options['save'] ?? true) !== false;
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}
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/**
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* Checks if the field is disabled
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*/
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public function isDisabled(): bool
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{
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return $this->disabled === true;
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}
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/**
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* Checks if the given value is considered empty
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*/
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public function isEmptyValue(mixed $value = null): bool
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{
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if (
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isset($this->options['isEmpty']) === true &&
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$this->options['isEmpty'] instanceof Closure
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) {
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return $this->options['isEmpty']->call($this, $value);
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}
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return $this->isEmptyValueFromMixin($value);
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}
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/**
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* Checks if the field is hidden
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*/
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public function isHidden(): bool
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{
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return ($this->options['hidden'] ?? false) === true;
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}
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/**
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* Returns field api routes
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*/
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public function routes(): array
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{
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if (
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isset($this->options['api']) === true &&
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$this->options['api'] instanceof Closure
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) {
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return $this->options['api']->call($this);
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}
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return [];
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}
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/**
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* Parent collection with all fields of the current form
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*/
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public function siblings(): Fields
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{
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return $this->siblings;
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}
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/**
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* Returns all sibling fields for the HasSiblings trait
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*/
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protected function siblingsCollection(): Fields
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{
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return $this->siblings;
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}
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/**
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* Converts the field to a plain array
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*/
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public function toArray(): array
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{
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$array = parent::toArray();
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unset($array['model']);
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$array['hidden'] = $this->isHidden();
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$array['saveable'] = $this->hasValue();
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ksort($array);
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return array_filter(
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$array,
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fn ($item) => $item !== null && is_object($item) === false
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);
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}
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/**
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* Returns the value of the field in a format to be stored by our storage classes
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*/
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public function toStoredValue(): mixed
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{
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$value = $this->toFormValue();
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$store = $this->options['save'] ?? true;
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if ($store === false) {
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return null;
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}
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if ($store instanceof Closure) {
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return $store->call($this, $value);
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}
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return $value;
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}
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/**
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* Defines all validation rules
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*/
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protected function validations(): array
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{
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return $this->options['validations'] ?? [];
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}
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}
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