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<?php |
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|
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namespace Elementor\Modules\AtomicWidgets\Utils; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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class Element_Position { |
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|
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const KIND_LAST = 'last'; |
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const KIND_FIRST = 'first'; |
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const KIND_INDEX = 'index'; |
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const KIND_AFTER_TYPE = 'after_type'; |
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const KIND_BEFORE_TYPE = 'before_type'; |
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|
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const KINDS = [ |
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self::KIND_LAST, |
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self::KIND_FIRST, |
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self::KIND_INDEX, |
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self::KIND_AFTER_TYPE, |
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self::KIND_BEFORE_TYPE, |
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]; |
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|
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private string $kind; |
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|
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/** |
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* @var int|string|null |
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*/ |
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private $value; |
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|
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private function __construct( string $kind, $value = null ) { |
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if ( ! in_array( $kind, self::KINDS, true ) ) { |
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throw new \InvalidArgumentException( esc_html( "Invalid element position kind: {$kind}" ) ); |
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} |
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|
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$this->kind = $kind; |
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$this->value = $value; |
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} |
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|
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public static function last(): self { |
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return new self( self::KIND_LAST ); |
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} |
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|
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public static function first(): self { |
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return new self( self::KIND_FIRST ); |
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} |
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|
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public static function at_index( int $index ): self { |
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if ( $index < 0 ) { |
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throw new \InvalidArgumentException( 'Element_Position: index must be >= 0.' ); |
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} |
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|
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return new self( self::KIND_INDEX, $index ); |
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} |
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|
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public static function after_type( string $element_type ): self { |
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self::assert_non_empty_element_type( $element_type, 'after_type' ); |
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|
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return new self( self::KIND_AFTER_TYPE, $element_type ); |
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} |
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|
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public static function before_type( string $element_type ): self { |
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self::assert_non_empty_element_type( $element_type, 'before_type' ); |
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|
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return new self( self::KIND_BEFORE_TYPE, $element_type ); |
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} |
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|
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private static function assert_non_empty_element_type( string $element_type, string $method ): void { |
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if ( '' === trim( $element_type ) ) { |
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throw new \InvalidArgumentException( |
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esc_html( "Element_Position::{$method}: element_type must be a non-empty string." ) |
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); |
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} |
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} |
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|
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public function to_array(): array { |
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return [ |
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'kind' => $this->kind, |
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'value' => $this->value, |
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]; |
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} |
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} |
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|
