diff options
Diffstat (limited to 'wp-includes/widgets/class-wp-widget-archives.php')
| -rw-r--r-- | wp-includes/widgets/class-wp-widget-archives.php | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/wp-includes/widgets/class-wp-widget-archives.php b/wp-includes/widgets/class-wp-widget-archives.php new file mode 100644 index 0000000..7457244 --- /dev/null +++ b/wp-includes/widgets/class-wp-widget-archives.php @@ -0,0 +1,230 @@ +<?php +/** + * Widget API: WP_Widget_Archives class + * + * @package WordPress + * @subpackage Widgets + * @since 4.4.0 + */ + +/** + * Core class used to implement the Archives widget. + * + * @since 2.8.0 + * + * @see WP_Widget + */ +class WP_Widget_Archives extends WP_Widget { + + /** + * Sets up a new Archives widget instance. + * + * @since 2.8.0 + */ + public function __construct() { + $widget_ops = array( + 'classname' => 'widget_archive', + 'description' => __( 'A monthly archive of your site’s Posts.' ), + 'customize_selective_refresh' => true, + 'show_instance_in_rest' => true, + ); + parent::__construct( 'archives', __( 'Archives' ), $widget_ops ); + } + + /** + * Outputs the content for the current Archives widget instance. + * + * @since 2.8.0 + * + * @param array $args Display arguments including 'before_title', 'after_title', + * 'before_widget', and 'after_widget'. + * @param array $instance Settings for the current Archives widget instance. + */ + public function widget( $args, $instance ) { + $default_title = __( 'Archives' ); + $title = ! empty( $instance['title'] ) ? $instance['title'] : $default_title; + + /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ + $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); + + $count = ! empty( $instance['count'] ) ? '1' : '0'; + $dropdown = ! empty( $instance['dropdown'] ) ? '1' : '0'; + + echo $args['before_widget']; + + if ( $title ) { + echo $args['before_title'] . $title . $args['after_title']; + } + + if ( $dropdown ) { + $dropdown_id = "{$this->id_base}-dropdown-{$this->number}"; + ?> + <label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label> + <select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown"> + <?php + /** + * Filters the arguments for the Archives widget drop-down. + * + * @since 2.8.0 + * @since 4.9.0 Added the `$instance` parameter. + * + * @see wp_get_archives() + * + * @param array $args An array of Archives widget drop-down arguments. + * @param array $instance Settings for the current Archives widget instance. + */ + $dropdown_args = apply_filters( + 'widget_archives_dropdown_args', + array( + 'type' => 'monthly', + 'format' => 'option', + 'show_post_count' => $count, + ), + $instance + ); + + switch ( $dropdown_args['type'] ) { + case 'yearly': + $label = __( 'Select Year' ); + break; + case 'monthly': + $label = __( 'Select Month' ); + break; + case 'daily': + $label = __( 'Select Day' ); + break; + case 'weekly': + $label = __( 'Select Week' ); + break; + default: + $label = __( 'Select Post' ); + break; + } + ?> + + <option value=""><?php echo esc_html( $label ); ?></option> + <?php wp_get_archives( $dropdown_args ); ?> + + </select> + + <?php ob_start(); ?> +<script> +(function() { + var dropdown = document.getElementById( "<?php echo esc_js( $dropdown_id ); ?>" ); + function onSelectChange() { + if ( dropdown.options[ dropdown.selectedIndex ].value !== '' ) { + document.location.href = this.options[ this.selectedIndex ].value; + } + } + dropdown.onchange = onSelectChange; +})(); +</script> + <?php + wp_print_inline_script_tag( wp_remove_surrounding_empty_script_tags( ob_get_clean() ) ); + } else { + $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml'; + + /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */ + $format = apply_filters( 'navigation_widgets_format', $format ); + + if ( 'html5' === $format ) { + // The title may be filtered: Strip out HTML and make sure the aria-label is never empty. + $title = trim( strip_tags( $title ) ); + $aria_label = $title ? $title : $default_title; + echo '<nav aria-label="' . esc_attr( $aria_label ) . '">'; + } + ?> + + <ul> + <?php + wp_get_archives( + /** + * Filters the arguments for the Archives widget. + * + * @since 2.8.0 + * @since 4.9.0 Added the `$instance` parameter. + * + * @see wp_get_archives() + * + * @param array $args An array of Archives option arguments. + * @param array $instance Array of settings for the current widget. + */ + apply_filters( + 'widget_archives_args', + array( + 'type' => 'monthly', + 'show_post_count' => $count, + ), + $instance + ) + ); + ?> + </ul> + + <?php + if ( 'html5' === $format ) { + echo '</nav>'; + } + } + + echo $args['after_widget']; + } + + /** + * Handles updating settings for the current Archives widget instance. + * + * @since 2.8.0 + * + * @param array $new_instance New settings for this instance as input by the user via + * WP_Widget_Archives::form(). + * @param array $old_instance Old settings for this instance. + * @return array Updated settings to save. + */ + public function update( $new_instance, $old_instance ) { + $instance = $old_instance; + $new_instance = wp_parse_args( + (array) $new_instance, + array( + 'title' => '', + 'count' => 0, + 'dropdown' => '', + ) + ); + $instance['title'] = sanitize_text_field( $new_instance['title'] ); + $instance['count'] = $new_instance['count'] ? 1 : 0; + $instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0; + + return $instance; + } + + /** + * Outputs the settings form for the Archives widget. + * + * @since 2.8.0 + * + * @param array $instance Current settings. + */ + public function form( $instance ) { + $instance = wp_parse_args( + (array) $instance, + array( + 'title' => '', + 'count' => 0, + 'dropdown' => '', + ) + ); + ?> + <p> + <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> + <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" /> + </p> + <p> + <input class="checkbox" type="checkbox"<?php checked( $instance['dropdown'] ); ?> id="<?php echo $this->get_field_id( 'dropdown' ); ?>" name="<?php echo $this->get_field_name( 'dropdown' ); ?>" /> + <label for="<?php echo $this->get_field_id( 'dropdown' ); ?>"><?php _e( 'Display as dropdown' ); ?></label> + <br /> + <input class="checkbox" type="checkbox"<?php checked( $instance['count'] ); ?> id="<?php echo $this->get_field_id( 'count' ); ?>" name="<?php echo $this->get_field_name( 'count' ); ?>" /> + <label for="<?php echo $this->get_field_id( 'count' ); ?>"><?php _e( 'Show post counts' ); ?></label> + </p> + <?php + } +} |