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<?php |
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namespace Jidaikobo\Kontiki\Handlers; |
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use DOMDocument; |
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use Jidaikobo\Kontiki\Models\ModelInterface; |
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use Jidaikobo\Kontiki\Utils\MessageUtils; |
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use Jidaikobo\Kontiki\Utils\FormUtils; |
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class FormHandler |
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{ |
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private DOMDocument $dom; |
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private FormUtils $formUtils; |
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private ?ModelInterface $model = null; |
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public function __construct(FormUtils $formUtils) |
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{ |
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$this->formUtils = $formUtils; |
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} |
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public function setModel(ModelInterface $model): void |
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{ |
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$this->model = $model; |
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} |
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public function setHtml(string $html): void |
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{ |
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$this->dom = new DOMDocument('1.0', 'UTF-8'); |
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libxml_use_internal_errors(true); |
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if (!empty($html)) { |
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$this->loadHTML($html); |
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} |
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} |
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public function loadHTML(string $html): void |
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{ |
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$map = [0x80, 0x10FFFF, 0, 0xFFFF]; |
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$html = mb_encode_numericentity($html, $map, 'UTF-8'); |
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$this->dom->loadHTML( |
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$html, |
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LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD |
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); |
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} |
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/** |
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* Set an attribute for an element by its ID. |
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* |
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* @param string $id The ID of the element. |
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* @param string $attribute The attribute name. |
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* @param string $value The attribute value. |
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* @return void |
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*/ |
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public function setAttributeById( |
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string $id, |
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string $attribute, |
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string $value |
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): void { |
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$element = $this->dom->getElementById($id); |
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if ($element) { |
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$element->setAttribute($attribute, $value); |
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} |
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} |
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/** |
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* Add a CSS class to an element by its ID. |
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* |
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* @param string $id The ID of the element. |
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* @param string $class The CSS class to add. |
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* @return void |
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*/ |
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public function addClassById(string $id, string $class): void |
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{ |
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$element = $this->dom->getElementById($id); |
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if ($element) { |
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$currentClass = $element->getAttribute('class') ?: ''; |
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$classes = array_unique(array_filter(array_merge(explode(' ', $currentClass), [$class]))); |
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$element->setAttribute('class', implode(' ', $classes)); |
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} |
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} |
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public function addErrors(array $errors): void |
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{ |
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if (empty($errors)) { |
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return; |
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} |
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foreach ($errors as $field => $messages) { |
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$id = $this->formUtils->nameToId($field); |
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// Add ARIA attributes and classes to the element |
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$this->setAttributeById($id, 'aria-invalid', 'true'); |
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$this->setAttributeById($id, 'aria-errormessage', 'errormessage_' . $id); |
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$this->addClassById($id, 'is-invalid'); |
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} |
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// Use MessageUtils to generate the error summary |
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$errorHtml = MessageUtils::errorHtml($errors, $this->model); |
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$this->injectMessageIntoForm($errorHtml); |
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} |
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public function addSuccessMessages(array $successMessages): void |
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{ |
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if (empty($successMessages)) { |
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return; |
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} |
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$successHtml = MessageUtils::alertHtml(join($successMessages)); |
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$this->injectMessageIntoForm($successHtml); |
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} |
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protected function injectMessageIntoForm(string $messageHtml): void |
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{ |
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$form = $this->dom->getElementsByTagName('form')->item(0); |
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if ($form) { |
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$messageNode = $this->dom->createDocumentFragment(); |
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$messageNode->appendXML($messageHtml); |
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$form->insertBefore($messageNode, $form->firstChild); |
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} |
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} |
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/** |
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* Get the modified HTML as a string. |
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* |
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* @return string The HTML content. |
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*/ |
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public function getHtml(): string |
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{ |
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$html = $this->dom->saveHTML(); |
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return mb_decode_numericentity($html, [0x80, 0x10FFFF, 0, 0xFFFF], 'UTF-8'); |
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129
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} |
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} |
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jidaikobo-shibata /
kontiki-framework
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