<?php
namespace MailPoet\Form\Block;
if (!defined('ABSPATH')) exit;
use MailPoet\WP\Functions as WPFunctions;
class Heading {
/** @var WPFunctions */
private $wp;
public function __construct(
WPFunctions $wp
) {
$this->wp = $wp;
}
public function render(array $block): string {
$content = ($block['params']['content'] ?? '');
return $this->wrapContent($content, $block);
}
private function wrapContent(string $content, array $block): string {
$tag = $this->renderTag($block);
$attributes = $this->renderAttributes($block);
$openTag = $this->getOpenTag($tag, $attributes);
return $openTag
. $content
. "</$tag>";
}
private function renderTag(array $block): string {
$tag = 'h2';
if (isset($block['params']['level'])) {
$tag = 'h' . $block['params']['level'];
}
return $tag;
}
private function renderAttributes(array $block): array {
$result = [];
$classes = $this->renderClass($block);
if ($classes) {
$result[] = $classes;
}
if (isset($block['params']['anchor'])) {
$result[] = $this->renderAnchor($block);
}
$styles = $this->renderStyle($block);
if ($styles) {
$result[] = $styles;
}
return $result;
}
private function getOpenTag(string $tag, array $attributes): string {
if (empty($attributes)) {
return "<$tag>";
}
return "<$tag " . join(' ', $attributes) . ">";
}
private function renderClass(array $block): string {
$classes = ['mailpoet-heading'];
if (isset($block['params']['class_name'])) {
$classes[] = $block['params']['class_name'];
}
if (!empty($block['params']['background_color'])) {
$classes[] = 'mailpoet-has-background-color';
}
if (!empty($block['params']['font_size'])) {
$classes[] = 'mailpoet-has-font-size';
}
return 'class="'
. $this->wp->escAttr(join(' ', $classes))
. '"';
}
private function renderAnchor(array $block): string {
return 'id="'
. $block['params']['anchor']
. '"';
}
private function renderStyle(array $block): string {
$styles = [];
if (isset($block['params']['align'])) {
$styles[] = 'text-align: ' . $block['params']['align'];
}
if (isset($block['params']['text_color'])) {
$styles[] = 'color: ' . $block['params']['text_color'];
}
if (!empty($block['params']['font_size'])) {
$styles[] = 'font-size: ' . $block['params']['font_size'] . 'px';
}
if (!empty($block['params']['line_height'])) {
$styles[] = 'line-height: ' . $block['params']['line_height'];
}
if (!empty($block['params']['background_color'])) {
$styles[] = 'background-color: ' . $block['params']['background_color'];
}
if (empty($styles)) {
return '';
}
return 'style="'
. $this->wp->escAttr(join('; ', $styles))
. '"';
}
}