154 lines
4.7 KiB
PHP
154 lines
4.7 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/home-link` block.
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*
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* @package WordPress
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*/
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/**
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* Build an array with CSS classes and inline styles defining the colors
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* which will be applied to the home link markup in the front-end.
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*
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* @param array $context home link block context.
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* @return array Colors CSS classes and inline styles.
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*/
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function block_core_home_link_build_css_colors( $context ) {
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$colors = array(
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'css_classes' => array(),
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'inline_styles' => '',
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);
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// Text color.
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$has_named_text_color = array_key_exists( 'textColor', $context );
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$has_custom_text_color = isset( $context['style']['color']['text'] );
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// If has text color.
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if ( $has_custom_text_color || $has_named_text_color ) {
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// Add has-text-color class.
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$colors['css_classes'][] = 'has-text-color';
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}
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if ( $has_named_text_color ) {
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// Add the color class.
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$colors['css_classes'][] = sprintf( 'has-%s-color', $context['textColor'] );
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} elseif ( $has_custom_text_color ) {
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// Add the custom color inline style.
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$colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] );
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}
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// Background color.
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$has_named_background_color = array_key_exists( 'backgroundColor', $context );
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$has_custom_background_color = isset( $context['style']['color']['background'] );
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// If has background color.
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if ( $has_custom_background_color || $has_named_background_color ) {
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// Add has-background class.
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$colors['css_classes'][] = 'has-background';
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}
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if ( $has_named_background_color ) {
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// Add the background-color class.
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$colors['css_classes'][] = sprintf( 'has-%s-background-color', $context['backgroundColor'] );
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} elseif ( $has_custom_background_color ) {
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// Add the custom background-color inline style.
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$colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] );
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}
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return $colors;
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}
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/**
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* Build an array with CSS classes and inline styles defining the font sizes
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* which will be applied to the home link markup in the front-end.
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*
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* @param array $context Home link block context.
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* @return array Font size CSS classes and inline styles.
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*/
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function block_core_home_link_build_css_font_sizes( $context ) {
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// CSS classes.
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$font_sizes = array(
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'css_classes' => array(),
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'inline_styles' => '',
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);
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$has_named_font_size = array_key_exists( 'fontSize', $context );
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$has_custom_font_size = isset( $context['style']['typography']['fontSize'] );
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if ( $has_named_font_size ) {
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// Add the font size class.
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$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] );
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} elseif ( $has_custom_font_size ) {
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// Add the custom font size inline style.
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$font_sizes['inline_styles'] = sprintf( 'font-size: %s;', $context['style']['typography']['fontSize'] );
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}
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return $font_sizes;
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}
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/**
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* Builds an array with classes and style for the li wrapper
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*
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* @param array $context Home link block context.
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* @return string The li wrapper attributes.
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*/
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function block_core_home_link_build_li_wrapper_attributes( $context ) {
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$colors = block_core_home_link_build_css_colors( $context );
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$font_sizes = block_core_home_link_build_css_font_sizes( $context );
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$classes = array_merge(
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$colors['css_classes'],
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$font_sizes['css_classes']
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);
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$style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] );
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$css_classes = trim( implode( ' ', $classes ) ) . ' wp-block-navigation-item';
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$wrapper_attributes = get_block_wrapper_attributes(
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array(
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'class' => $css_classes,
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'style' => $style_attribute,
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)
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);
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return $wrapper_attributes;
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}
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/**
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* Renders the `core/home-link` block.
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*
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* @param array $attributes The block attributes.
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* @param string $content The saved content.
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* @param WP_Block $block The parsed block.
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*
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* @return string Returns the post content with the home url added.
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*/
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function render_block_core_home_link( $attributes, $content, $block ) {
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if ( empty( $attributes['label'] ) ) {
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return '';
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}
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$aria_current = is_home() || ( is_front_page() && 'page' === get_option( 'show_on_front' ) ) ? ' aria-current="page"' : '';
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return sprintf(
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'<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>',
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block_core_home_link_build_li_wrapper_attributes( $block->context ),
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esc_url( home_url() ),
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$aria_current,
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wp_kses_post( $attributes['label'] )
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);
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}
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/**
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* Register the home block
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*
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* @uses render_block_core_home_link()
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* @throws WP_Error An WP_Error exception parsing the block definition.
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*/
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function register_block_core_home_link() {
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register_block_type_from_metadata(
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__DIR__ . '/home-link',
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array(
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'render_callback' => 'render_block_core_home_link',
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)
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);
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}
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add_action( 'init', 'register_block_core_home_link' );
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