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<?php |
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namespace Jidaikobo\Kontiki\Renderers; |
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use Jidaikobo\Kontiki\Utils\FormUtils; |
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use Slim\Views\PhpRenderer; |
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class FormRenderer |
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{ |
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private array $fields; |
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private FormUtils $formUtils; |
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private PhpRenderer $view; |
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public function __construct( |
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PhpRenderer $view, |
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FormUtils $formUtils |
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) { |
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$this->view = $view; |
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$this->formUtils = $formUtils; |
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} |
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public function setFields(array $fields): void |
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{ |
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$this->fields = $fields; |
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} |
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public function render(): string |
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{ |
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$groupedFields = $this->groupFields(); |
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$html = ''; |
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foreach ($groupedFields as $group => $fields) { |
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$html .= $this->renderGroup($group, $fields); |
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} |
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return $html; |
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} |
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protected function groupFields(): array |
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{ |
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$grouped = []; |
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foreach ($this->fields as $name => $config) { |
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if (!isset($config['type'])) { |
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continue; |
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} |
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$group = $config['group'] ?? 'default'; |
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$grouped[$group][$name] = $config; |
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} |
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return $grouped; |
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} |
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protected function renderGroup(string $group, array $fields): string |
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{ |
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$groupTemplate = $this->getGroupTemplate($group); |
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$fieldHtml = array_map(function ($name, $config) { |
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return $this->renderFieldset($name, $config); |
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}, array_keys($fields), $fields); |
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return $this->view->fetch( |
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$groupTemplate, |
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[ |
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'fields_html' => implode("\n", $fieldHtml), |
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'buttonPosition' => $this->view->getAttributes()['buttonPosition'] ?? 'main' |
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] |
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); |
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} |
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protected function renderFieldset(string $name, array $config): string |
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{ |
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$labelText = $this->generateLabelHtml($name, $config); |
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$fieldHtml = $this->renderField($name, $config); |
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$fieldsetTemplate = $config['fieldset_template'] ?? 'forms/fieldset/flat.php'; |
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return $this->view->fetch($fieldsetTemplate, [ |
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'label' => $labelText, |
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'field' => $fieldHtml, |
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]); |
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} |
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private function generateLabelHtml(string $name, array $config): string |
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{ |
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if ($config['type'] === 'hidden') { |
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return ''; // Hidden fields do not need labels |
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} |
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$id = $this->formUtils->nameToId($name); |
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$labelAttributes = $this->renderAttributes(array_merge( |
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$config['label_attributes'] ?? [], |
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['for' => $id] |
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)); |
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$labelText = e($config['label']); |
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if (!empty($config['rules']) && in_array('required', $config['rules'], true)) { |
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$labelText .= ' (' . __('required') . ')'; |
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} |
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return sprintf( |
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'<label %s>%s</label>', |
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$labelAttributes, |
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e($labelText) |
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); |
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} |
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protected function renderField(string $name, array $config): string |
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{ |
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$id = $this->formUtils->nameToId($name); |
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$attributes = $config['attributes'] ?? []; |
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if (isset($config['rules']) && in_array('required', $config['rules'], true)) { |
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$attributes['required'] = 'required'; |
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} |
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$renderedAttributes = $this->renderAttributes($attributes); |
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$fieldTemplate = $this->getFieldTemplate($config['type']); |
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$ariaDescribedby = ''; |
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$ariaDescribedbyAttribute = ''; |
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$description = $config['description'] ?? ''; |
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if (!empty($description)) { |
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$ariaDescribedby = 'ariaDesc_' . $id; |
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$ariaDescribedbyAttribute = ' aria-describedby="' . $ariaDescribedby . '"'; |
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$description = '<div class="form-text" id="' . $ariaDescribedby . '">' . $description . '</div>'; |
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} |
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return $this->view->fetch($fieldTemplate, [ |
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'id' => $id, |
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'name' => $name, |
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'type' => $config['type'], |
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'value' => e($config['default'] ?? ''), |
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'options' => $config['options'] ?? [], |
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'attributes' => $renderedAttributes, |
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'ariaDescribedby' => $ariaDescribedby, |
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'ariaDescribedbyAttribute' => $ariaDescribedbyAttribute, |
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'description' => $description, |
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]); |
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} |
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/** |
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* Render HTML attributes from an associative array. |
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* |
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* @param array $attributes Associative array of attributes. |
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* @return string Rendered attributes as a string. |
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*/ |
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protected function renderAttributes(array $attributes): string |
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{ |
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$result = []; |
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foreach ($attributes as $key => $value) { |
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$result[] = sprintf('%s="%s"', e($key), e($value)); |
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} |
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return implode(' ', $result); |
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} |
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protected function getFieldTemplate(string $type): string |
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{ |
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$templates = [ |
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'text' => 'forms/fields/text.php', |
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'textarea' => 'forms/fields/textarea.php', |
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'checkbox' => 'forms/fields/checkbox.php', |
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'radio' => 'forms/fields/radio.php', |
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'select' => 'forms/fields/select.php', |
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]; |
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return $templates[$type] ?? 'forms/fields/text.php'; |
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} |
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protected function getGroupTemplate(string $group): string |
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{ |
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$templates = [ |
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'header' => 'forms/groups/header.php', |
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'main' => 'forms/groups/main.php', |
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'meta' => 'forms/groups/meta.php', |
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]; |
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return $templates[$group] ?? 'forms/groups/default.php'; |
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} |
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} |
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jidaikobo-shibata /
kontiki-framework
