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<?php |
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namespace Ngtfkx\Laradeck\FormBuilder\Elements; |
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use Illuminate\Support\Collection; |
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abstract class AbstractElement |
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{ |
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/** |
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* @var Collection|iterable $classes Коллекция классом элемента |
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*/ |
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protected $classes; |
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/** |
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* @var Collection|iterable $attributes Коллекция дополнительных атрибутов элемента |
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*/ |
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protected $attributes; |
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/** |
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* @var Collection|iterable $styles Коллекция inline-стилей элемента |
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*/ |
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protected $styles; |
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/** |
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* @var string $value Значение элемента |
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*/ |
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protected $value; |
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/** |
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* @var string $tag Тег элемента |
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*/ |
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protected $tag; |
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/** |
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* @var Collection|iterable $parts Набор атрибутов для генерации html-кода элементов |
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*/ |
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protected $parts; |
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/** |
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* @var bool $needClose Признак, что надо закрывать тег элемента |
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*/ |
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protected $needClose = false; |
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/** |
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* @return void |
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*/ |
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abstract public function tag(); |
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public function __construct() |
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{ |
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$this->classes = new Collection(); |
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$this->attributes = new Collection(); |
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$this->styles = new Collection(); |
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$this->parts = new Collection(); |
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$this->tag(); |
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} |
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/** |
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* Сеттер значения элемента |
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* |
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* @param string|null $value |
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* @return AbstractElement |
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*/ |
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public function value(?string $value): self |
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{ |
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$this->value = $value; |
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return $this; |
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} |
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/** |
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* Сеттер атрибута id элемента |
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* |
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* @param string|null $value |
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* @return AbstractElement |
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*/ |
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public function id(?string $value): self |
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{ |
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$this->attr('id', $value); |
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return $this; |
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} |
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/** |
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* Сеттер атрибута name элемента |
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* |
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* @param string|null $value |
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* @return AbstractElement |
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*/ |
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public function name(?string $value): self |
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{ |
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$this->attr('name', $value); |
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return $this; |
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} |
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/** |
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* Добавить элементу один или несколько классов |
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* |
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* @param array ...$classes |
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* @return AbstractElement |
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*/ |
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public function class(...$classes): self |
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{ |
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$this->classes($classes); |
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return $this; |
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} |
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/** |
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* Добавить элементу один или несколько классов из массива |
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* |
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* @param iterable $classes |
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* @return AbstractElement |
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*/ |
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public function classes(iterable $classes): self |
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{ |
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foreach ($classes as $class) { |
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if (!$this->classes->contains($class)) { |
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$this->classes->push($class); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Добавить к элементу один или несколько inline-стилей |
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* |
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* @param string $key |
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* @param string|null $value |
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* @return AbstractElement |
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*/ |
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public function style(string $key, string $value = null): self |
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{ |
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if (empty($value)) { |
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$pos = strpos($key, ':', 2); |
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if ($pos !== false) { |
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$parts = explode(':', strrev($key)); |
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$key = strrev($parts[1]); |
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$value = strrev($parts[0]); |
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} |
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} |
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if ($key && $value) { |
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$this->styles->put($key, $value); |
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} |
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return $this; |
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} |
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/** |
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* Добавить к элементу один или несколько inline-стилей из массива |
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* |
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* @param iterable $styles |
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* @return AbstractElement |
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*/ |
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public function styles(iterable $styles): self |
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{ |
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foreach ($styles as $key => $value) { |
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$this->styles->put($key, $value); |
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} |
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return $this; |
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} |
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/** |
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* Добавить аттрибут к элементу |
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* |
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* @param string $key |
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* @param mixed $value |
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* @return AbstractElement |
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*/ |
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public function attr(string $key, $value = null): self |
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{ |
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$this->attributes->put($key, $value); |
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return $this; |
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} |
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/** |
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* Добавить один или несколько атрибутов из массива к элементу |
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* |
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* @param iterable $attributes |
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* @return AbstractElement |
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*/ |
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public function attrs(iterable $attributes): self |
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{ |
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foreach ($attributes as $key => $value) { |
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if ($key === 'class') { |
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$this->class($value); |
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} else if ($key === 'style') { |
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$this->style($value); |
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} else { |
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$this->attributes->put($key, $value); |
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} |
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} |
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return $this; |
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} |
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/** |
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* Очистить классы элемента |
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* |
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* @return AbstractElement |
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*/ |
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public function clearClasses(): self |
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{ |
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$this->classes = new Collection(); |
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return $this; |
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} |
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/** |
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* Очистить классы стили |
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* |
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* @return AbstractElement |
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*/ |
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public function clearStyles(): self |
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{ |
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$this->styles = new Collection(); |
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return $this; |
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} |
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/** |
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* Очистить классы атрибуты |
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* |
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* @return AbstractElement |
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*/ |
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public function clearAttributes(): self |
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{ |
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$this->attributes = new Collection(); |
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return $this; |
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} |
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protected function render(): string |
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{ |
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$attributes = $this->generateAttributes(); |
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return '<' . $this->tag . $attributes . '>'; |
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} |
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protected function beforeToParts(): void |
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{ |
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$this->addAttr('value'); |
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} |
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protected function afterToParts(): void |
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{ |
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} |
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/** |
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* Преобразовать в строку для вывода в HTML |
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* |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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$this->beforeToParts(); |
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$this->classesToParts(); |
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$this->stylesToParts(); |
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$this->attributesToParts(); |
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$this->afterToParts(); |
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return $this->render(); |
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} |
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protected function generateAttributes(): string |
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{ |
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$attributes = ''; |
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foreach ($this->parts as $key => $value) { |
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if (is_null($value) || (is_bool($value) && $value === false)) { |
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continue; |
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} else if (is_bool($value)) { |
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$value = $key; |
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} |
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$attributes .= ' ' . $key . '="' . $value . '"'; |
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} |
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return $attributes; |
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} |
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protected function stylesToParts(): void |
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{ |
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if ($this->styles->isNotEmpty()) { |
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$this->parts->put('style', $this->styles->pipe(function ($styles) { |
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$styleAttr = ''; |
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foreach ($styles as $key => $value) { |
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$styleAttr .= $key . ':' . $value . ';'; |
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} |
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return $styleAttr; |
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})); |
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} |
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} |
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protected function classesToParts(): void |
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{ |
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if ($this->classes->isNotEmpty()) { |
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$this->parts->put('class', $this->classes->implode(' ')); |
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} |
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} |
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public function attributesToParts(): void |
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{ |
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foreach ($this->attributes as $key => $value) { |
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$this->parts->put($key, $value); |
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} |
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} |
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protected function addAttr(...$names): self |
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{ |
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foreach ($names as $name) { |
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if (!empty($this->$name)) { |
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$this->parts[$name] = $this->$name; |
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} |
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} |
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return $this; |
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} |
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protected function addAttrAs(...$names): self |
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{ |
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foreach ($names as $name) { |
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if (!empty($this->$name)) { |
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$this->parts[$name] = $name; |
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} |
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} |
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return $this; |
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} |
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} |