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<?php |
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namespace Spatie\Html; |
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use Spatie\Html\Helpers\Arr; |
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class Attributes |
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{ |
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/** @var array */ |
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protected $attributes = []; |
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/** @var array */ |
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protected $classes = []; |
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/** |
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* @param iterable $attributes |
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*/ |
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public function setAttributes(iterable $attributes) |
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{ |
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foreach ($attributes as $attribute => $value) { |
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if ($attribute === 'class') { |
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$this->addClass($value); |
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continue; |
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} |
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if (is_int($attribute)) { |
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$attribute = $value; |
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$value = ''; |
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} |
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$this->setAttribute($attribute, (string) $value); |
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} |
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} |
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/** |
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* @param string $attribute |
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* @param string $value |
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*/ |
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public function setAttribute(string $attribute, string $value = '') |
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{ |
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if ($attribute === 'class') { |
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$this->addClass($value); |
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return $this; |
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} |
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$this->attributes[$attribute] = $value; |
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} |
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public function forgetAttribute(string $attribute) |
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{ |
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if ($attribute === 'class') { |
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$this->classes = []; |
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return $this; |
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} |
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if (isset($this->attributes[$attribute])) { |
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unset($this->attributes[$attribute]); |
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} |
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return $this; |
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} |
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public function getAttribute(string $attribute, string $fallback = null): ?string |
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{ |
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if ($attribute === 'class') { |
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return implode(' ', $this->classes); |
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} |
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return $this->attributes[$attribute] ?? $fallback; |
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} |
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public function hasAttribute(string $attribute): bool |
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{ |
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return array_key_exists($attribute, $this->attributes); |
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} |
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/** |
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* @param string|iterable $class |
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*/ |
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public function addClass($class) |
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{ |
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$class = Arr::getToggledValues($class); |
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$this->classes = array_unique( |
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array_merge($this->classes, $class) |
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); |
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} |
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public function isEmpty(): bool |
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{ |
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return empty($this->attributes) && empty($this->classes); |
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} |
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public function toArray(): array |
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{ |
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if (empty($this->classes)) { |
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return $this->attributes; |
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} |
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return array_merge(['class' => implode(' ', $this->classes)], $this->attributes); |
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} |
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public function render(): string |
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{ |
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if ($this->isEmpty()) { |
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return ''; |
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} |
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$attributeStrings = []; |
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foreach ($this->toArray() as $attribute => $value) { |
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if ($value === '') { |
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$attributeStrings[] = $attribute; |
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continue; |
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} |
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$value = htmlentities($value, ENT_QUOTES, 'UTF-8', false); |
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$attributeStrings[] = "{$attribute}=\"{$value}\""; |
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} |
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return implode(' ', $attributeStrings); |
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} |
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} |
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