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c421e9b34a
- First pass at adding the site editor from the Gutenberg plugin to wp-admin/site-editor.php. - Adds miscellaneous PHP changes from Gutenberg 10.1 - 11.9. Follows [52042]. See #54337. Props youknowriad, aristath, hellofromtonya, gziolo. Built from https://develop.svn.wordpress.org/trunk@52069 git-svn-id: http://core.svn.wordpress.org/trunk@51661 1a063a9b-81f0-0310-95a4-ce76da25c4cd
97 lines
3.5 KiB
PHP
97 lines
3.5 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/post-navigation-link` block.
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*
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* @package WordPress
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*/
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/**
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* Renders the `core/post-navigation-link` block on the server.
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*
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* @param array $attributes Block attributes.
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* @param string $content Block default content.
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*
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* @return string Returns the next or previous post link that is adjacent to the current post.
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*/
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function render_block_core_post_navigation_link( $attributes, $content ) {
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if ( ! is_singular() ) {
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return '';
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}
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// Get the nagigation type to show the proper link. Available options are `next|previous`.
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$navigation_type = isset( $attributes['type'] ) ? $attributes['type'] : 'next';
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// Allow only `next` and `previous` in `$navigation_type`.
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if ( ! in_array( $navigation_type, array( 'next', 'previous' ), true ) ) {
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return '';
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}
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$classes = "post-navigation-link-$navigation_type";
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if ( isset( $attributes['textAlign'] ) ) {
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$classes .= " has-text-align-{$attributes['textAlign']}";
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}
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
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// Set default values.
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$format = '%link';
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$link = 'next' === $navigation_type ? _x( 'Next', 'label for next post link' ) : _x( 'Previous', 'label for previous post link' );
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$label = '';
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// If a custom label is provided, make this a link.
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// `$label` is used to prepend the provided label, if we want to show the page title as well.
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if ( isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ) {
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$label = "{$attributes['label']}";
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$link = $label;
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}
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// If we want to also show the page title, make the page title a link and prepend the label.
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if ( isset( $attributes['showTitle'] ) && $attributes['showTitle'] ) {
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/*
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* If the label link option is not enabled but there is a custom label,
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* display the custom label as text before the linked title.
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*/
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if ( ! $attributes['linkLabel'] ) {
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if ( $label ) {
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$format = '<span class="post-navigation-link__label">' . $label . '</span> %link';
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}
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$link = '%title';
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} elseif ( isset( $attributes['linkLabel'] ) && $attributes['linkLabel'] ) {
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// If the label link option is enabled and there is a custom label, display it before the title.
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if ( $label ) {
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$link = '<span class="post-navigation-link__label">' . $label . '</span> <span class="post-navigation-link__title">%title</title>';
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} else {
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/*
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* If the label link option is enabled and there is no custom label,
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* add a colon between the label and the post title.
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*/
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$label = 'next' === $navigation_type ? _x( 'Next:', 'label before the title of the next post' ) : _x( 'Previous:', 'label before the title of the previous post' );
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$link = sprintf(
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'<span class="post-navigation-link__label">%1$s</span> <span class="post-navigation-link__title">%2$s</span>',
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$label,
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'%title'
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);
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}
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}
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}
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// The dynamic portion of the function name, `$navigation_type`,
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// refers to the type of adjacency, 'next' or 'previous'.
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$get_link_function = "get_{$navigation_type}_post_link";
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$content = $get_link_function( $format, $link );
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return sprintf(
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'<div %1$s>%2$s</div>',
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$wrapper_attributes,
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$content
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);
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}
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/**
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* Registers the `core/post-navigation-link` block on the server.
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*/
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function register_block_core_post_navigation_link() {
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register_block_type_from_metadata(
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__DIR__ . '/post-navigation-link',
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array(
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'render_callback' => 'render_block_core_post_navigation_link',
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)
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);
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}
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add_action( 'init', 'register_block_core_post_navigation_link' );
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