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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Form\Widget\FieldPart; |
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use InvalidArgumentException; |
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use Yiisoft\Form\Exception\AttributeNotSetException; |
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use Yiisoft\Form\Exception\FormModelNotSetException; |
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use Yiisoft\Form\FormModelInterface; |
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use Yiisoft\Form\Helper\HtmlForm; |
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use Yiisoft\Html\Tag\CustomTag; |
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use Yiisoft\Widget\Widget; |
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/** |
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* The widget for hint form. |
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* |
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* @psalm-suppress MissingConstructor |
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*/ |
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final class Hint extends Widget |
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{ |
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private string $attribute = ''; |
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private array $attributes = []; |
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private bool $encode = false; |
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private ?string $hint = ''; |
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private string $tag = 'div'; |
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private ?FormModelInterface $formModel = null; |
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/** |
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* The HTML attributes. The following special options are recognized. |
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* |
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* @param array $values Attribute values indexed by attribute names. |
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* |
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* @return static |
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* |
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* See {@see \Yiisoft\Html\Html::renderTagAttributes()} for details on how attributes are being rendered. |
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*/ |
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public function attributes(array $values): self |
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{ |
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$new = clone $this; |
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$new->attributes = array_merge($new->attributes, $values); |
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return $new; |
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} |
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/** |
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* Whether content should be HTML-encoded. |
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* |
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* @param bool $value |
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* |
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* @return static |
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*/ |
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public function encode(bool $value): self |
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{ |
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$new = clone $this; |
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$new->encode = $value; |
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return $new; |
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} |
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/** |
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* @return static |
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*/ |
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public function for(FormModelInterface $formModel, string $attribute): self |
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{ |
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$new = clone $this; |
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$new->formModel = $formModel; |
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$new->attribute = $attribute; |
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return $new; |
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} |
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/** |
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* Set the ID of the widget. |
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* |
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* @param string|null $id |
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* |
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* @return static |
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* |
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* @link https://html.spec.whatwg.org/multipage/dom.html#the-id-attribute |
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*/ |
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public function id(?string $id): self |
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{ |
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$new = clone $this; |
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$new->attributes['id'] = $id; |
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return $new; |
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} |
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/** |
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* Set hint text. |
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* |
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* @param string|null $value |
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* |
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* @return static |
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*/ |
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public function hint(?string $value): self |
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{ |
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$new = clone $this; |
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$new->hint = $value; |
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return $new; |
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} |
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/** |
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* Set the container tag name for the hint. |
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* |
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* @param string $value Container tag name. Set to empty value to render error messages without container tag. |
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* |
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* @return static |
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*/ |
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public function tag(string $value): self |
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{ |
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$new = clone $this; |
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$new->tag = $value; |
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return $new; |
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} |
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/** |
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* Generates a hint tag for the given form attribute. |
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* |
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* @return string the generated hint tag. |
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*/ |
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protected function run(): string |
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{ |
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$hint = $this->hint; |
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if ($this->tag === '') { |
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throw new InvalidArgumentException('Tag name cannot be empty.'); |
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} |
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if ($hint === '') { |
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$hint = HtmlForm::getAttributeHint($this->getFormModel(), $this->getAttribute()); |
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} |
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return $hint !== null && $hint !== '' |
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? CustomTag::name($this->tag) |
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->attributes($this->attributes) |
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->content($hint) |
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->encode($this->encode) |
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->render() |
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: ''; |
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} |
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360 |
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private function getAttribute(): string |
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{ |
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if ($this->attribute === '') { |
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throw new AttributeNotSetException(); |
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} |
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return $this->attribute; |
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} |
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private function getFormModel(): FormModelInterface |
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{ |
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if ($this->formModel === null) { |
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throw new FormModelNotSetException(); |
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} |
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return $this->formModel; |
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} |
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} |
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yiisoft /
form
