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mutecmutec
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implemented nested forms
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3 files changed

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‎files/lib/system/form/builder/NestedFormDocument.class.php‎

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<?php
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namespace wcf\system\form\builder;
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class NestedFormDocument extends FormDocument {
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/**
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* @inheritDoc
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*/
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public function getRequestData($index = null) {
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if ($this->requestData === null) {
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$this->requestData = $_POST;
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}
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if ($index !== null && strpos($index, '[') !== false) {
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preg_match('/^([^\[]+)(\[.*\])$/', $index, $matches);
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if (!empty($matches[2])) {
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unset($matches[0]);
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preg_match_all('/(?:\[([^\]]+)\])/', $matches[2], $parts);
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if (!empty($parts[1])) {
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$i = 0;
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$source = $this->requestData[$matches[1]];
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while (!empty($parts[1][$i]) && is_array($source)) {
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$source = $source[$parts[1][$i]] ?? null;
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$i++;
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}
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if ($source !== null) {
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return $source;
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}
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}
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}
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}
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return parent::getRequestData($index);
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}
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/**
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* @inheritDoc
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*/
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public function hasRequestData($index = null) {
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$requestData = $this->getRequestData();
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if ($index !== null && strpos($index, '[') !== false) {
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preg_match('/^([^\[]+)(\[.*\])$/', $index, $matches);
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if (!empty($matches[2])) {
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unset($matches[0]);
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preg_match_all('/(?:\[([^\]]+)\])/', $matches[2], $parts);
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if (!empty($parts[1])) {
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$i = 0;
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$source = $requestData[$matches[1]];
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while (!empty($parts[1][$i]) && is_array($source)) {
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$source = $source[$parts[1][$i]] ?? null;
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$i++;
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}
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return $source !== null;
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}
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}
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}
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return parent::hasRequestData($index);
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}
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}

‎files/lib/system/form/builder/container/DummyFormContainer.class.php‎

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<?php
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namespace wcf\system\form\builder\container;
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use wcf\system\WCF;
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class DummyFormContainer extends FormContainer {
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/**
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* @inheritDoc
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*/
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public function __construct() {}
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/**
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* @inheritDoc
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*/
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public function getHtml() {
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return WCF::getTPL()->fetch('__formContainerChildren', 'wcf', array_merge($this->getHtmlVariables(), [
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'container' => $this
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]), true);
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}
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}

‎files/lib/system/form/builder/data/processor/PrefixedFormDataProcessor.class.php‎

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<?php
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namespace wcf\system\form\builder\data\processor;
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use wcf\data\IStorableObject;
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use wcf\system\form\builder\container\DummyFormContainer;
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use wcf\system\form\builder\container\IFormContainer;
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use wcf\system\form\builder\field\IFormField;
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use wcf\system\form\builder\IFormDocument;
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use wcf\system\form\builder\IFormNode;
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class PrefixedFormDataProcessor extends AbstractFormDataProcessor {
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/**
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* processor id primarily used for error messages
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* @var string
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*/
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protected $id;
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/**
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* @var string
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*/
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protected $wrapperProperty;
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/**
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* @var string
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*/
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protected $targetProperty;
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/**
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* Initializes a new PrefixedFormDataProcessor object.
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*
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* @param string $id processor id primarily used for error messages, does not have to be unique
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* @param string $wrapperProperty
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* @param string $targetProperty
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*
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* @throws \InvalidArgumentException if either id or processor callable are invalid
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*/
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public function __construct($id, $wrapperProperty, $targetProperty = '') {
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if (preg_match('~^[a-z][A-z0-9-]*$~', $id) !== 1) {
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throw new \InvalidArgumentException("Invalid id '{$id}' given.");
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}
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$this->id = $id;
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$this->wrapperProperty = $wrapperProperty;
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$this->targetProperty = $targetProperty;
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}
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/**
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* @inheritDoc
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*/
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public function processFormData(IFormDocument $document, array $parameters) {
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/** @var DummyFormContainer $container */
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$container = $document->getNodeById($this->id);
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if ($container === null || !$container->hasChildren()) {
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return $parameters;
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}
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$this->processNode($container, $parameters);
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return $parameters;
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}
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/**
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* @param IFormNode $node
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* @param mixed[] $parameters
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*/
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protected function processNode(IFormNode $node, &$parameters) {
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if ($node instanceof IFormContainer) {
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foreach ($node->children() as $childNode) {
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$this->processNode($childNode, $parameters);
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}
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}
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else if ($node instanceof IFormField) {
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$id = $node->getPrefixedId();
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if (preg_match('/^([^\[\]]+)((?:\[[^\]]+\]){1,})$/', $id, $matches)) {
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unset($parameters['data'][$id]);
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$property = '$parameters[\'data\'][\'' . $matches[1] . '\']' . str_replace(['[', ']'], ['[\'', '\']'], $matches[2]);
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$value = $node->getSaveValue();
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$test = $property . '=$value;';
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eval($test);
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}
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}
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}
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/**
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* @inheritDoc
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*/
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public function processObjectData(IFormDocument $document, array $data, IStorableObject $object) {
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/** @var DummyFormContainer $container */
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$container = $document->getNodeById($this->id);
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$container = $document->getNodeById($this->id);
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if ($container === null || !$container->hasChildren()) {
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return $data;
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}
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$this->processNodeObject($container, $data);
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unset($data[$container->getPrefixedId()]);
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return $data;
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}
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/**
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* @param IFormNode $node
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* @param mixed[] $data
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*/
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protected function processNodeObject(IFormNode $node, &$data) {
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if ($node instanceof IFormContainer) {
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foreach ($node->children() as $childNode) {
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$this->processNodeObject($childNode, $data);
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}
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}
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else if ($node instanceof IFormField) {
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$id = $node->getPrefixedId();
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if (preg_match('/^([^\[\]]+)((?:\[[^\]]+\]){1,})$/', $id, $matches)) {
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$data[$id] = $this->getDataFromArray($data, $id);
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}
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}
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}
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/**
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* @param mixed[] $data
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* @param string $index
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* @return mixed|null
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*/
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protected function getDataFromArray($data, $index) {
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preg_match('/^([^\[]+)(\[.*\])$/', $index, $matches);
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if (!empty($matches[2])) {
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unset($matches[0]);
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preg_match_all('/(?:\[([^\]]+)\])/', $matches[2], $parts);
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if (!empty($parts[1])) {
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$i = 0;
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$source = $data[$matches[1]];
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if (!is_array($source)) $source = unserialize($source);
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while (!empty($parts[1][$i]) && is_array($source)) {
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$source = $source[$parts[1][$i]] ?? null;
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$i++;
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}
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return $source;
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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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