post-author.php in Gutenberg 8.2

File

vendor/gutenberg/block-library/blocks/post-author.php

<?php

/**
 * Server-side rendering of the `core/post-author` block.
 *
 * @package WordPress
 */

/**
 * Build an array with CSS classes and inline styles defining the colors
 * which will be applied to the navigation markup in the front-end.
 *
 * @param  array $attributes Navigation block attributes.
 * @return array Colors CSS classes and inline styles.
 */
function gutenberg_post_author_build_css_colors($attributes) {
  $text_colors = array(
    'css_classes' => array(),
    'inline_styles' => '',
  );
  $background_colors = array(
    'css_classes' => array(),
    'inline_styles' => '',
  );

  // Text color.
  $has_named_text_color = array_key_exists('textColor', $attributes);
  $has_custom_text_color = array_key_exists('customTextColor', $attributes);

  // If has text color.
  if ($has_custom_text_color || $has_named_text_color) {

    // Add has-text-color class.
    $text_colors['css_classes'][] = 'has-text-color';
  }
  if ($has_named_text_color) {

    // Add the color class.
    $text_colors['css_classes'][] = sprintf('has-%s-color', $attributes['textColor']);
  }
  elseif ($has_custom_text_color) {

    // Add the custom color inline style.
    $text_colors['inline_styles'] .= sprintf('color: %s;', $attributes['customTextColor']);
  }

  // Background color.
  $has_named_background_color = array_key_exists('backgroundColor', $attributes);
  $has_custom_background_color = array_key_exists('customBackgroundColor', $attributes);

  // If has background color.
  if ($has_custom_background_color || $has_named_background_color) {

    // Add has-background-color class.
    $background_colors['css_classes'][] = 'has-background-color';
  }
  if ($has_named_background_color) {

    // Add the background-color class.
    $background_colors['css_classes'][] = sprintf('has-%s-background-color', $attributes['backgroundColor']);
  }
  elseif ($has_custom_background_color) {

    // Add the custom background-color inline style.
    $background_colors['inline_styles'] .= sprintf('background-color: %s;', $attributes['customBackgroundColor']);
  }
  return array(
    'text' => $text_colors,
    'background' => $background_colors,
  );
}

/**
 * Build an array with CSS classes and inline styles defining the font sizes
 * which will be applied to the navigation markup in the front-end.
 *
 * @param  array $attributes Navigation block attributes.
 * @return array Font size CSS classes and inline styles.
 */
function gutenberg_post_author_build_css_font_sizes($attributes) {

  // CSS classes.
  $font_sizes = array(
    'css_classes' => array(),
    'inline_styles' => '',
  );
  $has_named_font_size = array_key_exists('fontSize', $attributes);
  $has_custom_font_size = array_key_exists('style', $attributes) && array_key_exists('typography', $attributes['style']) && array_key_exists('fontSize', $attributes['style']['typography']);
  if ($has_named_font_size) {

    // Add the font size class.
    $font_sizes['css_classes'][] = sprintf('has-%s-font-size', $attributes['fontSize']);
  }
  elseif ($has_custom_font_size) {

    // Add the custom font size inline style.
    $font_sizes['inline_styles'] = sprintf('font-size: %spx;', $attributes['style']['typography']['fontSize']);
  }
  return $font_sizes;
}

/**
 * Renders the `core/post-author` block on the server.
 *
 * @param  array    $attributes Block attributes.
 * @param  string   $content    Block default content.
 * @param  WP_Block $block      Block instance.
 * @return string Returns the rendered author block.
 */
function gutenberg_render_block_core_post_author($attributes, $content, $block) {
  if (!isset($block->context['postId'])) {
    return '';
  }
  $author_id = get_post_field('post_author', $block->context['postId']);
  if (empty($author_id)) {
    return '';
  }
  $avatar = !empty($attributes['avatarSize']) ? get_avatar($author_id, $attributes['avatarSize']) : null;
  $byline = !empty($attributes['byline']) ? $attributes['byline'] : false;
  $colors = gutenberg_post_author_build_css_colors($attributes);
  $font_sizes = gutenberg_post_author_build_css_font_sizes($attributes);
  $classes = array_merge($colors['background']['css_classes'], $font_sizes['css_classes'], array(
    'wp-block-post-author',
  ), isset($attributes['className']) ? array(
    $attributes['className'],
  ) : array(), isset($attributes['itemsJustification']) ? array(
    'items-justified-' . $attributes['itemsJustification'],
  ) : array(), isset($attributes['align']) ? array(
    'has-text-align-' . $attributes['align'],
  ) : array());
  $class_attribute = sprintf(' class="%s"', esc_attr(implode(' ', $classes)));
  $style_attribute = $colors['background']['inline_styles'] || $font_sizes['inline_styles'] ? sprintf(' style="%s"', esc_attr($colors['background']['inline_styles']) . esc_attr($font_sizes['inline_styles'])) : '';

  // Add text colors on content for higher specificty.  Prevents theme override for has-background-color.
  $content_class_attribute = sprintf(' class="wp-block-post-author__content %s"', esc_attr(implode(' ', $colors['text']['css_classes'])));
  $content_style_attribute = $colors['text']['inline_styles'] ? sprintf(' style="%s"', esc_attr($colors['text']['inline_styles'])) : '';
  return sprintf('<div %1$s %2$s>', $class_attribute, $style_attribute) . (!empty($attributes['showAvatar']) ? '<div class="wp-block-post-author__avatar">' . $avatar . '</div>' : '') . sprintf('<div %1$s %2$s>', $content_class_attribute, $content_style_attribute) . (!empty($byline) ? '<p class="wp-block-post-author__byline">' . $byline . '</p>' : '') . '<p class="wp-block-post-author__name">' . get_the_author_meta('display_name', $author_id) . '</p>' . (!empty($attributes['showBio']) ? '<p class="wp-block-post-author__bio">' . get_the_author_meta('user_description', $author_id) . '</p>' : '') . '</div>' . '</div>';
}

/**
 * Registers the `core/post-author` block on the server.
 */
function gutenberg_register_block_core_post_author() {
  register_block_type_from_metadata(__DIR__ . '/post-author', array(
    'render_callback' => 'gutenberg_render_block_core_post_author',
  ));
}
add_action('init', 'gutenberg_register_block_core_post_author', 20);

Functions

Name	Description
gutenberg_post_author_build_css_colors	Build an array with CSS classes and inline styles defining the colors which will be applied to the navigation markup in the front-end.
gutenberg_post_author_build_css_font_sizes	Build an array with CSS classes and inline styles defining the font sizes which will be applied to the navigation markup in the front-end.
gutenberg_register_block_core_post_author	Registers the `core/post-author` block on the server.
gutenberg_render_block_core_post_author	Renders the `core/post-author` block on the server.