67 lines
2.9 KiB
PHP
67 lines
2.9 KiB
PHP
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<?php
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declare(strict_types=1);
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/**
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* Einheitliches Formularfeld — EINZIGE Quelle für Feld-Markup aller Formulare.
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*
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* Props: $field (array):
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* type text | email | tel | select | textarea | checkbox (Default: text)
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* name, label Pflicht
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* id Default: field-<name>
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* required bool
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* autocomplete, maxlength, rows (textarea)
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* options[] + placeholder (select)
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* hint optionaler Hilfetext (aria-describedby)
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* label_html NUR für vertrauenswürdiges Markup aus Komponenten-Code
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* (z. B. Datenschutz-Link im Checkbox-Label) — nie Nutzereingaben!
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*
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* Jedes Feld bekommt ein leeres Fehler-Element (#<id>-error), das form.js bei
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* ungültiger Eingabe mit der Browser-Validierungsmeldung füllt (aria-describedby).
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*/
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$type = $field['type'] ?? 'text';
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$name = $field['name'];
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$id = $field['id'] ?? 'field-' . $name;
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$required = !empty($field['required']);
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$errorId = $id . '-error';
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$hintId = $id . '-hint';
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$describedBy = (!empty($field['hint']) ? $hintId . ' ' : '') . $errorId;
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$requiredMark = $required
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? ' <span class="form__required" aria-hidden="true">*</span>'
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: '';
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$commonAttrs = 'name="' . e($name) . '" id="' . e($id) . '"'
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. ($required ? ' required' : '')
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. ' aria-describedby="' . e($describedBy) . '"'
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. (!empty($field['autocomplete']) ? ' autocomplete="' . e($field['autocomplete']) . '"' : '')
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. (!empty($field['maxlength']) ? ' maxlength="' . e($field['maxlength']) . '"' : '');
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?>
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<?php if ($type === 'checkbox'): ?>
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<div class="form__field form__field--checkbox">
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<input type="checkbox" <?= $commonAttrs ?> value="1">
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<label for="<?= e($id) ?>"><?= $field['label_html'] ?? e($field['label']) ?><?= $requiredMark ?></label>
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<p class="form__error-msg" id="<?= e($errorId) ?>" hidden></p>
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</div>
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<?php else: ?>
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<div class="form__field">
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<label for="<?= e($id) ?>"><?= e($field['label']) ?><?= $requiredMark ?></label>
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<?php if ($type === 'select'): ?>
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<select <?= $commonAttrs ?>>
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<option value=""><?= e($field['placeholder'] ?? 'Bitte wählen') ?></option>
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<?php foreach ($field['options'] as $option): ?>
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<option value="<?= e($option) ?>"><?= e($option) ?></option>
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<?php endforeach; ?>
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</select>
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<?php elseif ($type === 'textarea'): ?>
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<textarea <?= $commonAttrs ?> rows="<?= e($field['rows'] ?? 6) ?>"></textarea>
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<?php else: ?>
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<input type="<?= e($type) ?>" <?= $commonAttrs ?>>
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<?php endif; ?>
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<?php if (!empty($field['hint'])): ?>
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<p class="form__hint" id="<?= e($hintId) ?>"><?= e($field['hint']) ?></p>
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<?php endif; ?>
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<p class="form__error-msg" id="<?= e($errorId) ?>" hidden></p>
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</div>
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<?php endif; ?>
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