150 lines
4.8 KiB
PHP
150 lines
4.8 KiB
PHP
<?php
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/**
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* Widget API: WP_Widget_Pages class
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*
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* @package WordPress
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* @subpackage Widgets
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* @since 4.4.0
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*/
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/**
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* Core class used to implement a Pages widget.
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*
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* @since 2.8.0
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*
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* @see WP_Widget
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*/
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class WP_Widget_Pages extends WP_Widget {
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/**
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* Sets up a new Pages widget instance.
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*
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* @since 2.8.0
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*/
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public function __construct() {
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$widget_ops = array(
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'classname' => 'widget_pages',
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'description' => __( 'A list of your site’s Pages.' ),
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'customize_selective_refresh' => true,
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);
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parent::__construct( 'pages', __( 'Pages' ), $widget_ops );
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}
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/**
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* Outputs the content for the current Pages widget instance.
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*
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* @since 2.8.0
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*
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* @param array $args Display arguments including 'before_title', 'after_title',
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* 'before_widget', and 'after_widget'.
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* @param array $instance Settings for the current Pages widget instance.
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*/
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public function widget( $args, $instance ) {
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$title = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Pages' );
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/**
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* Filters the widget title.
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*
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* @since 2.6.0
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*
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* @param string $title The widget title. Default 'Pages'.
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* @param array $instance Array of settings for the current widget.
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* @param mixed $id_base The widget ID.
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*/
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$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
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$sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby'];
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$exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
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if ( $sortby == 'menu_order' )
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$sortby = 'menu_order, post_title';
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/**
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* Filters the arguments for the Pages widget.
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*
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* @since 2.8.0
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* @since 4.9.0 Added the `$instance` parameter.
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*
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* @see wp_list_pages()
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*
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* @param array $args An array of arguments to retrieve the pages list.
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* @param array $instance Array of settings for the current widget.
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*/
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$out = wp_list_pages( apply_filters( 'widget_pages_args', array(
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'title_li' => '',
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'echo' => 0,
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'sort_column' => $sortby,
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'exclude' => $exclude
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), $instance ) );
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if ( ! empty( $out ) ) {
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echo $args['before_widget'];
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if ( $title ) {
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echo $args['before_title'] . $title . $args['after_title'];
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}
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?>
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<ul>
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<?php echo $out; ?>
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</ul>
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<?php
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echo $args['after_widget'];
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}
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}
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/**
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* Handles updating settings for the current Pages widget instance.
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*
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* @since 2.8.0
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*
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* @param array $new_instance New settings for this instance as input by the user via
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* WP_Widget::form().
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* @param array $old_instance Old settings for this instance.
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* @return array Updated settings to save.
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*/
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public function update( $new_instance, $old_instance ) {
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$instance = $old_instance;
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$instance['title'] = sanitize_text_field( $new_instance['title'] );
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if ( in_array( $new_instance['sortby'], array( 'post_title', 'menu_order', 'ID' ) ) ) {
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$instance['sortby'] = $new_instance['sortby'];
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} else {
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$instance['sortby'] = 'menu_order';
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}
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$instance['exclude'] = sanitize_text_field( $new_instance['exclude'] );
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return $instance;
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}
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/**
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* Outputs the settings form for the Pages widget.
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*
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* @since 2.8.0
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*
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* @param array $instance Current settings.
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*/
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public function form( $instance ) {
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//Defaults
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$instance = wp_parse_args( (array) $instance, array( 'sortby' => 'post_title', 'title' => '', 'exclude' => '') );
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?>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:' ); ?></label>
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<input class="widefat" id="<?php echo esc_attr( $this->get_field_id('title') ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'sortby' ) ); ?>"><?php _e( 'Sort by:' ); ?></label>
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<select name="<?php echo esc_attr( $this->get_field_name( 'sortby' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'sortby' ) ); ?>" class="widefat">
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<option value="post_title"<?php selected( $instance['sortby'], 'post_title' ); ?>><?php _e('Page title'); ?></option>
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<option value="menu_order"<?php selected( $instance['sortby'], 'menu_order' ); ?>><?php _e('Page order'); ?></option>
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<option value="ID"<?php selected( $instance['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option>
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</select>
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</p>
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<p>
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<label for="<?php echo esc_attr( $this->get_field_id( 'exclude' ) ); ?>"><?php _e( 'Exclude:' ); ?></label>
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<input type="text" value="<?php echo esc_attr( $instance['exclude'] ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'exclude' ) ); ?>" id="<?php echo esc_attr( $this->get_field_id( 'exclude' ) ); ?>" class="widefat" />
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<br />
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<small><?php _e( 'Page IDs, separated by commas.' ); ?></small>
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</p>
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<?php
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}
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}
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