130 lines
2.9 KiB
PHP
130 lines
2.9 KiB
PHP
<?php
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namespace Grav\Plugin\Form;
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use Grav\Common\Page\Interfaces\PageInterface;
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use Grav\Common\Page\Page;
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use Grav\Framework\Form\Interfaces\FormFactoryInterface;
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use Grav\Framework\Form\Interfaces\FormInterface;
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class Forms
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{
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/** @var array|FormFactoryInterface[] */
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private $types;
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/** @var FormInterface|null */
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private $form;
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/**
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* Forms constructor.
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*/
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public function __construct()
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{
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$this->registerType('form', new FormFactory());
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}
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/**
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* @param string $type
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* @param FormFactoryInterface $factory
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*/
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public function registerType(string $type, FormFactoryInterface $factory): void
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{
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$this->types[$type] = $factory;
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}
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/**
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* @param string $type
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*/
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public function unregisterType($type): void
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{
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unset($this->types[$type]);
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}
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/**
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* @param string $type
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* @return bool
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*/
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public function hasType(string $type): bool
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{
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return isset($this->types[$type]);
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}
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/**
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* @return array
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*/
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public function getTypes(): array
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{
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return array_keys($this->types);
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}
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/**
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* @param PageInterface $page
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* @param string|null $name
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* @param array|null $form
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* @return FormInterface|null
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*/
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public function createPageForm(PageInterface $page, string $name = null, array $form = null): ?FormInterface
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{
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if (null === $form) {
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[$name, $form] = $this->getPageParameters($page, $name);
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}
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if (null === $form) {
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return null;
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}
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$type = $form['type'] ?? 'form';
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$factory = $this->types[$type] ?? null;
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if ($factory) {
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if (is_callable([$factory, 'createFormForPage'])) {
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return $factory->createFormForPage($page, $name, $form);
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}
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if ($page instanceof Page) {
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// @phpstan-ignore-next-line
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return $factory->createPageForm($page, $name, $form);
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}
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}
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return null;
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}
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/**
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* @return FormInterface|null
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*/
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public function getActiveForm(): ?FormInterface
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{
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return $this->form;
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}
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/**
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* @param FormInterface $form
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* @return void
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*/
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public function setActiveForm(FormInterface $form): void
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{
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$this->form = $form;
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}
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/**
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* @param PageInterface $page
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* @param string|null $name
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* @return array
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*/
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protected function getPageParameters(PageInterface $page, ?string $name): array
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{
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$forms = $page->getForms();
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if ($name) {
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// If form with given name was found, use that.
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$form = $forms[$name] ?? null;
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} else {
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// Otherwise pick up the first form.
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$form = reset($forms) ?: null;
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$name = (string)key($forms);
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}
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return [$name, $form];
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}
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}
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