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| 1 | +<?php |
| 2 | +/** |
| 3 | + * Server-side rendering of the `core/archives` block. |
| 4 | + * |
| 5 | + * @package WordPress |
| 6 | + */ |
| 7 | + |
| 8 | +/** |
| 9 | + * Renders the `core/archives` block on server. |
| 10 | + * |
| 11 | + * @since 5.0.0 |
| 12 | + * |
| 13 | + * @see WP_Widget_Archives |
| 14 | + * |
| 15 | + * @param array $attributes The block attributes. |
| 16 | + * |
| 17 | + * @return string Returns the post content with archives added. |
| 18 | + */ |
| 19 | +function render_block_core_archives( $attributes ) { |
| 20 | + $show_post_count = ! empty( $attributes['showPostCounts'] ); |
| 21 | + $type = $attributes['type'] ?? 'monthly'; |
| 22 | + |
| 23 | + $class = 'wp-block-archives-list'; |
| 24 | + |
| 25 | + if ( ! empty( $attributes['displayAsDropdown'] ) ) { |
| 26 | + |
| 27 | + $class = 'wp-block-archives-dropdown'; |
| 28 | + |
| 29 | + $dropdown_id = wp_unique_id( 'wp-block-archives-' ); |
| 30 | + $title = __( 'Archives' ); |
| 31 | + |
| 32 | + /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */ |
| 33 | + $dropdown_args = apply_filters( |
| 34 | + 'widget_archives_dropdown_args', |
| 35 | + array( |
| 36 | + 'type' => $type, |
| 37 | + 'format' => 'option', |
| 38 | + 'show_post_count' => $show_post_count, |
| 39 | + ) |
| 40 | + ); |
| 41 | + |
| 42 | + $dropdown_args['echo'] = 0; |
| 43 | + |
| 44 | + $archives = wp_get_archives( $dropdown_args ); |
| 45 | + |
| 46 | + $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $class ) ); |
| 47 | + |
| 48 | + switch ( $dropdown_args['type'] ) { |
| 49 | + case 'yearly': |
| 50 | + $label = __( 'Select Year' ); |
| 51 | + break; |
| 52 | + case 'monthly': |
| 53 | + $label = __( 'Select Month' ); |
| 54 | + break; |
| 55 | + case 'daily': |
| 56 | + $label = __( 'Select Day' ); |
| 57 | + break; |
| 58 | + case 'weekly': |
| 59 | + $label = __( 'Select Week' ); |
| 60 | + break; |
| 61 | + default: |
| 62 | + $label = __( 'Select Post' ); |
| 63 | + break; |
| 64 | + } |
| 65 | + |
| 66 | + $show_label = empty( $attributes['showLabel'] ) ? ' screen-reader-text' : ''; |
| 67 | + |
| 68 | + $block_content = '<label for="' . $dropdown_id . '" class="wp-block-archives__label' . $show_label . '">' . esc_html( $title ) . '</label> |
| 69 | + <select id="' . esc_attr( $dropdown_id ) . '" name="archive-dropdown"> |
| 70 | + <option value="">' . esc_html( $label ) . '</option>' . $archives . '</select>'; |
| 71 | + |
| 72 | + // Inject the dropdown script immediately after the select dropdown. |
| 73 | + $block_content .= block_core_archives_build_dropdown_script( $dropdown_id ); |
| 74 | + |
| 75 | + return sprintf( |
| 76 | + '<div %1$s>%2$s</div>', |
| 77 | + $wrapper_attributes, |
| 78 | + $block_content |
| 79 | + ); |
| 80 | + } |
| 81 | + |
| 82 | + /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */ |
| 83 | + $archives_args = apply_filters( |
| 84 | + 'widget_archives_args', |
| 85 | + array( |
| 86 | + 'type' => $type, |
| 87 | + 'show_post_count' => $show_post_count, |
| 88 | + ) |
| 89 | + ); |
| 90 | + |
| 91 | + $archives_args['echo'] = 0; |
| 92 | + |
| 93 | + $archives = wp_get_archives( $archives_args ); |
| 94 | + |
| 95 | + $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $class ) ); |
| 96 | + |
| 97 | + if ( empty( $archives ) ) { |
| 98 | + return sprintf( |
| 99 | + '<div %1$s>%2$s</div>', |
| 100 | + $wrapper_attributes, |
| 101 | + __( 'No archives to show.' ) |
| 102 | + ); |
| 103 | + } |
| 104 | + |
| 105 | + return sprintf( |
| 106 | + '<ul %1$s>%2$s</ul>', |
| 107 | + $wrapper_attributes, |
| 108 | + $archives |
| 109 | + ); |
| 110 | +} |
| 111 | + |
| 112 | +/** |
| 113 | + * Generates the inline script for an archives dropdown field. |
| 114 | + * |
| 115 | + * @since 6.9.0 |
| 116 | + * |
| 117 | + * @param string $dropdown_id ID of the dropdown field. |
| 118 | + * |
| 119 | + * @return string Returns the dropdown onChange redirection script. |
| 120 | + */ |
| 121 | +function block_core_archives_build_dropdown_script( $dropdown_id ) { |
| 122 | + ob_start(); |
| 123 | + |
| 124 | + $exports = array( $dropdown_id, home_url() ); |
| 125 | + ?> |
| 126 | + <script> |
| 127 | + ( ( [ dropdownId, homeUrl ] ) => { |
| 128 | + const dropdown = document.getElementById( dropdownId ); |
| 129 | + function onSelectChange() { |
| 130 | + setTimeout( () => { |
| 131 | + if ( 'escape' === dropdown.dataset.lastkey ) { |
| 132 | + return; |
| 133 | + } |
| 134 | + if ( dropdown.value ) { |
| 135 | + location.href = dropdown.value; |
| 136 | + } |
| 137 | + }, 250 ); |
| 138 | + } |
| 139 | + function onKeyUp( event ) { |
| 140 | + if ( 'Escape' === event.key ) { |
| 141 | + dropdown.dataset.lastkey = 'escape'; |
| 142 | + } else { |
| 143 | + delete dropdown.dataset.lastkey; |
| 144 | + } |
| 145 | + } |
| 146 | + function onClick() { |
| 147 | + delete dropdown.dataset.lastkey; |
| 148 | + } |
| 149 | + dropdown.addEventListener( 'keyup', onKeyUp ); |
| 150 | + dropdown.addEventListener( 'click', onClick ); |
| 151 | + dropdown.addEventListener( 'change', onSelectChange ); |
| 152 | + } )( <?php echo wp_json_encode( $exports, JSON_HEX_TAG | JSON_UNESCAPED_SLASHES ); ?> ); |
| 153 | + </script> |
| 154 | + <?php |
| 155 | + return wp_get_inline_script_tag( |
| 156 | + trim( str_replace( array( '<script>', '</script>' ), '', ob_get_clean() ) ) . |
| 157 | + "\n//# sourceURL=" . rawurlencode( __FUNCTION__ ) |
| 158 | + ); |
| 159 | +} |
| 160 | + |
| 161 | +/** |
| 162 | + * Register archives block. |
| 163 | + * |
| 164 | + * @since 5.0.0 |
| 165 | + */ |
| 166 | +function register_block_core_archives() { |
| 167 | + register_block_type_from_metadata( |
| 168 | + __DIR__ . '/archives', |
| 169 | + array( |
| 170 | + 'render_callback' => 'render_block_core_archives', |
| 171 | + ) |
| 172 | + ); |
| 173 | +} |
| 174 | +add_action( 'init', 'register_block_core_archives' ); |
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