WordPress 4.4

[autoinstalls/wordpress.git] / wp-includes / widgets / class-wp-widget-pages.php

diff --git a/wp-includes/widgets/class-wp-widget-pages.php b/wp-includes/widgets/class-wp-widget-pages.php
new file mode 100644 (file)
index 0000000..e8737ac
--- /dev/null
+++ b/wp-includes/widgets/class-wp-widget-pages.php
@@ -0,0 +1,147 @@
+<?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
+        * @access public
+        */
+       public function __construct() {
+               $widget_ops = array('classname' => 'widget_pages', 'description' => __( 'A list of your site&#8217;s Pages.') );
+               parent::__construct('pages', __('Pages'), $widget_ops);
+       }
+
+       /**
+        * Outputs the content for the current Pages widget instance.
+        *
+        * @since 2.8.0
+        * @access public
+        *
+        * @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 ) {
+
+               /**
+                * Filter the widget title.
+                *
+                * @since 2.6.0
+                *
+                * @param string $title    The widget title. Default 'Pages'.
+                * @param array  $instance An array of the widget's settings.
+                * @param mixed  $id_base  The widget ID.
+                */
+               $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Pages' ) : $instance['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';
+
+               /**
+                * Filter the arguments for the Pages widget.
+                *
+                * @since 2.8.0
+                *
+                * @see wp_list_pages()
+                *
+                * @param array $args An array of arguments to retrieve the pages list.
+                */
+               $out = wp_list_pages( apply_filters( 'widget_pages_args', array(
+                       'title_li'    => '',
+                       'echo'        => 0,
+                       'sort_column' => $sortby,
+                       'exclude'     => $exclude
+               ) ) );
+
+               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
+        * @access public
+        *
+        * @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
+        * @access public
+        *
+        * @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
+       }
+
+}