| 1 |
<?php |
| 2 |
/** |
| 3 |
* Server-side rendering of the `core/home-link` block. |
| 4 |
* |
| 5 |
* @package WordPress |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Build an array with CSS classes and inline styles defining the colors |
| 10 |
* which will be applied to the home link markup in the front-end. |
| 11 |
* |
| 12 |
* @since 6.0.0 |
| 13 |
* |
| 14 |
* @param array $context home link block context. |
| 15 |
* @return array Colors CSS classes and inline styles. |
| 16 |
*/ |
| 17 |
function gutenberg_block_core_home_link_build_css_colors( $context ) { |
| 18 |
$colors = array( |
| 19 |
'css_classes' => array(), |
| 20 |
'inline_styles' => '', |
| 21 |
); |
| 22 |
|
| 23 |
// Text color. |
| 24 |
$has_named_text_color = array_key_exists( 'textColor', $context ); |
| 25 |
$has_custom_text_color = isset( $context['style']['color']['text'] ); |
| 26 |
|
| 27 |
// If has text color. |
| 28 |
if ( $has_custom_text_color || $has_named_text_color ) { |
| 29 |
// Add has-text-color class. |
| 30 |
$colors['css_classes'][] = 'has-text-color'; |
| 31 |
} |
| 32 |
|
| 33 |
if ( $has_named_text_color ) { |
| 34 |
// Add the color class. |
| 35 |
$colors['css_classes'][] = sprintf( 'has-%s-color', $context['textColor'] ); |
| 36 |
} elseif ( $has_custom_text_color ) { |
| 37 |
// Add the custom color inline style. |
| 38 |
$colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] ); |
| 39 |
} |
| 40 |
|
| 41 |
// Background color. |
| 42 |
$has_named_background_color = array_key_exists( 'backgroundColor', $context ); |
| 43 |
$has_custom_background_color = isset( $context['style']['color']['background'] ); |
| 44 |
|
| 45 |
// If has background color. |
| 46 |
if ( $has_custom_background_color || $has_named_background_color ) { |
| 47 |
// Add has-background class. |
| 48 |
$colors['css_classes'][] = 'has-background'; |
| 49 |
} |
| 50 |
|
| 51 |
if ( $has_named_background_color ) { |
| 52 |
// Add the background-color class. |
| 53 |
$colors['css_classes'][] = sprintf( 'has-%s-background-color', $context['backgroundColor'] ); |
| 54 |
} elseif ( $has_custom_background_color ) { |
| 55 |
// Add the custom background-color inline style. |
| 56 |
$colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] ); |
| 57 |
} |
| 58 |
|
| 59 |
return $colors; |
| 60 |
} |
| 61 |
|
| 62 |
/** |
| 63 |
* Build an array with CSS classes and inline styles defining the font sizes |
| 64 |
* which will be applied to the home link markup in the front-end. |
| 65 |
* |
| 66 |
* @since 6.0.0 |
| 67 |
* |
| 68 |
* @param array $context Home link block context. |
| 69 |
* @return array Font size CSS classes and inline styles. |
| 70 |
*/ |
| 71 |
function gutenberg_block_core_home_link_build_css_font_sizes( $context ) { |
| 72 |
// CSS classes. |
| 73 |
$font_sizes = array( |
| 74 |
'css_classes' => array(), |
| 75 |
'inline_styles' => '', |
| 76 |
); |
| 77 |
|
| 78 |
$has_named_font_size = array_key_exists( 'fontSize', $context ); |
| 79 |
$has_custom_font_size = isset( $context['style']['typography']['fontSize'] ); |
| 80 |
|
| 81 |
if ( $has_named_font_size ) { |
| 82 |
// Add the font size class. |
| 83 |
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] ); |
| 84 |
} elseif ( $has_custom_font_size ) { |
| 85 |
// Add the custom font size inline style. |
| 86 |
$font_sizes['inline_styles'] = sprintf( 'font-size: %s;', $context['style']['typography']['fontSize'] ); |
| 87 |
} |
| 88 |
|
| 89 |
return $font_sizes; |
| 90 |
} |
| 91 |
|
| 92 |
/** |
| 93 |
* Builds an array with classes and style for the li wrapper |
| 94 |
* |
| 95 |
* @since 6.0.0 |
| 96 |
* |
| 97 |
* @param array $context Home link block context. |
| 98 |
* @return string The li wrapper attributes. |
| 99 |
*/ |
| 100 |
function gutenberg_block_core_home_link_build_li_wrapper_attributes( $context ) { |
| 101 |
$colors = gutenberg_block_core_home_link_build_css_colors( $context ); |
| 102 |
$font_sizes = gutenberg_block_core_home_link_build_css_font_sizes( $context ); |
| 103 |
$classes = array_merge( |
| 104 |
$colors['css_classes'], |
| 105 |
$font_sizes['css_classes'] |
| 106 |
); |
| 107 |
$style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] ); |
| 108 |
$classes[] = 'wp-block-navigation-item'; |
| 109 |
|
| 110 |
if ( is_front_page() ) { |
| 111 |
$classes[] = 'current-menu-item'; |
| 112 |
} elseif ( is_home() && ( (int) get_option( 'page_for_posts' ) !== get_queried_object_id() ) ) { |
| 113 |
// Edge case where the Reading settings has a posts page set but not a static homepage. |
| 114 |
$classes[] = 'current-menu-item'; |
| 115 |
} |
| 116 |
|
| 117 |
$wrapper_attributes = get_block_wrapper_attributes( |
| 118 |
array( |
| 119 |
'class' => implode( ' ', $classes ), |
| 120 |
'style' => $style_attribute, |
| 121 |
) |
| 122 |
); |
| 123 |
|
| 124 |
return $wrapper_attributes; |
| 125 |
} |
| 126 |
|
| 127 |
/** |
| 128 |
* Renders the `core/home-link` block. |
| 129 |
* |
| 130 |
* @since 6.0.0 |
| 131 |
* |
| 132 |
* @param array $attributes The block attributes. |
| 133 |
* @param string $content The saved content. |
| 134 |
* @param WP_Block $block The parsed block. |
| 135 |
* |
| 136 |
* @return string Returns the post content with the home url added. |
| 137 |
*/ |
| 138 |
function gutenberg_render_block_core_home_link( $attributes, $content, $block ) { |
| 139 |
if ( empty( $attributes['label'] ) ) { |
| 140 |
$attributes['label'] = __( 'Home' ); |
| 141 |
} |
| 142 |
$aria_current = ''; |
| 143 |
|
| 144 |
if ( is_front_page() ) { |
| 145 |
$aria_current = ' aria-current="page"'; |
| 146 |
} elseif ( is_home() && ( (int) get_option( 'page_for_posts' ) !== get_queried_object_id() ) ) { |
| 147 |
// Edge case where the Reading settings has a posts page set but not a static homepage. |
| 148 |
$aria_current = ' aria-current="page"'; |
| 149 |
} |
| 150 |
|
| 151 |
return sprintf( |
| 152 |
'<li %1$s><a class="wp-block-home-link__content wp-block-navigation-item__content" href="%2$s" rel="home"%3$s>%4$s</a></li>', |
| 153 |
gutenberg_block_core_home_link_build_li_wrapper_attributes( $block->context ), |
| 154 |
esc_url( home_url() ), |
| 155 |
$aria_current, |
| 156 |
wp_kses_post( $attributes['label'] ) |
| 157 |
); |
| 158 |
} |
| 159 |
|
| 160 |
/** |
| 161 |
* Register the home block |
| 162 |
* |
| 163 |
* @since 6.0.0 |
| 164 |
* |
| 165 |
* @uses gutenberg_render_block_core_home_link() |
| 166 |
* @throws WP_Error An WP_Error exception parsing the block definition. |
| 167 |
*/ |
| 168 |
function gutenberg_register_block_core_home_link() { |
| 169 |
register_block_type_from_metadata( |
| 170 |
__DIR__ . '/home-link', |
| 171 |
array( |
| 172 |
'render_callback' => 'gutenberg_render_block_core_home_link', |
| 173 |
) |
| 174 |
); |
| 175 |
} |
| 176 |
add_action( 'init', 'gutenberg_register_block_core_home_link', 20 ); |
| 177 |
|
