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<?php |
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declare(strict_types=1); |
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namespace Del\Form\Renderer\Field; |
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use Del\Form\Field\FieldInterface; |
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use Del\Form\Field\CheckBox; |
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use DOMDocumentFragment; |
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use DOMElement; |
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use DOMNode; |
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use InvalidArgumentException; |
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use LogicException; |
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class CheckboxRender extends AbstractFieldRender |
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{ |
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private DOMDocumentFragment $fragment; |
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private bool $isMultiCheckbox = false; |
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private int $counter = 0; |
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public function renderBlock(FieldInterface $field, DOMElement $element): DOMNode |
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{ |
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// We don't really want a containing div, so we'll ignore $element |
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// and instead create a DOMDocumentFragment |
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$this->fragment = $this->getDom()->createDocumentFragment(); |
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// Make sure the FieldInterface is actually a Radio |
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if (!$field instanceof CheckBox) { |
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throw new InvalidArgumentException('Must be a Del\Form\Field\Checkbox'); |
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} |
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$inline = $field->isRenderInline(); |
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$options = $field->getOptions(); |
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if (empty($options)) { |
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throw new LogicException('You must set at least one option.'); |
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} |
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// Loop through each checkbox element (the options) |
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$this->isMultiCheckbox = count($options) > 1; |
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foreach ($options as $value => $label) { |
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$radio = $this->processOption($field, $value, $label, $inline); |
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$this->fragment->appendChild($radio); |
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} |
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return $this->fragment; |
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} |
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private function processOption(CheckBox $field, $value, $labelText, $inline): DOMElement |
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{ |
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return $this->renderCheckbox($field, $value, $labelText, $inline); |
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} |
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private function renderCheckbox(CheckBox $field, $value, $labelText, $inline): DOMElement |
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{ |
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$div = $this->getDom()->createElement('div'); |
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$class = $inline ? 'form-check-inline' : 'form-check'; |
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$div->setAttribute('class', $class); |
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$checkbox = $this->renderCheckboxInline($field, $value); |
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$div->appendChild($checkbox); |
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$div->appendChild($this->getLabel($field, $labelText)); |
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return $div; |
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} |
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private function getLabel(FieldInterface $field, string $labelText): DOMElement |
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{ |
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$this->counter ++; |
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$label = $this->getDom()->createElement('label'); |
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$label->setAttribute('for', $field->getId() . $this->counter); |
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$label->setAttribute('class', 'form-check-label'); |
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$text = $this->createText($labelText); |
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$label->appendChild($text); |
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return $label; |
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} |
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private function renderCheckboxInline(FieldInterface $field, $value): DOMElement |
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{ |
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$checkbox = $this->getDom()->createElement('input'); |
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$checkbox->setAttribute('class', 'form-check-input'); |
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$checkbox->setAttribute('type', 'checkbox'); |
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$fieldName = $this->isMultiCheckbox ? $field->getName() . '[]' : $field->getName(); |
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$checkbox->setAttribute('name', $fieldName); |
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$checkbox->setAttribute('value', (string) $value); |
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$fieldValue = $field->getValue(); |
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if ($fieldValue === true || $fieldValue == $value || (is_array($fieldValue) && in_array($value, $fieldValue, true))) { |
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$checkbox->setAttribute('checked', 'checked'); |
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} |
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return $checkbox; |
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} |
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} |
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delboy1978uk /
form
