LightElementNode.php

<?php

require_once 'LightNode.php';
require_once 'EventListenerInterface.php';

class LightElementNode extends LightNode {
    private string $tagName;
    private string $displayType;
    private bool $isSelfClosing;
    private array $cssClasses = [];
    private array $children = [];

    private array $listeners = [];

    public function __construct(string $tagName, string $displayType = 'block', bool $isSelfClosing = false, array $cssClasses = []) {
        $this->tagName = $tagName;
        $this->displayType = $displayType;
        $this->isSelfClosing = $isSelfClosing;
        $this->cssClasses = $cssClasses;
    }

    public function getTagName(): string {
        return $this->tagName;
    }

    public function addChild(LightNode $node): void {
        $this->children[] = $node;
    }

    public function getChildrenCount(): int {
        return count($this->children);
    }


    public function addEventListener(string $eventType, EventListenerInterface $listener): void {
        if (!isset($this->listeners[$eventType])) {
            $this->listeners[$eventType] = [];
        }
        $this->listeners[$eventType][] = $listener;
    }

    public function triggerEvent(string $eventType): void {
        if (isset($this->listeners[$eventType])) {
            foreach ($this->listeners[$eventType] as $listener) {
                $listener->update($eventType, $this);
            }
        }
    }


    public function renderInnerHTML(): string {
        $html = '';
        foreach ($this->children as $child) {
            $html .= $child->renderOuterHTML();
        }
        return $html;
    }

    public function renderOuterHTML(): string {
        $classesStr = !empty($this->cssClasses) ? ' class="' . implode(' ', $this->cssClasses) . '"' : '';

        if ($this->isSelfClosing) {
            return "<{$this->tagName}{$classesStr} />";
        }

        $innerHTML = $this->renderInnerHTML();
        return "<{$this->tagName}{$classesStr}>{$innerHTML}</{$this->tagName}>";
    }
}