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