wp-includes/widgets/class-wp-widget-archives.php

   1 <?php
   2 /**
   3  * Widget API: WP_Widget_Archives class
   4  *
   5  * @package WordPress
   6  * @subpackage Widgets
   7  * @since 4.4.0
   8  */
   9
  10 /**
  11  * Core class used to implement the Archives widget.
  12  *
  13  * @since 2.8.0
  14  *
  15  * @see WP_Widget
  16  */
  17 class WP_Widget_Archives extends WP_Widget {
  18
  19         /**
  20          * Sets up a new Archives widget instance.
  21          *
  22          * @since 2.8.0
  23          * @access public
  24          */
  25         public function __construct() {
  26                 $widget_ops = array('classname' => 'widget_archive', 'description' => __( 'A monthly archive of your site&#8217;s Posts.') );
  27                 parent::__construct('archives', __('Archives'), $widget_ops);
  28         }
  29
  30         /**
  31          * Outputs the content for the current Archives widget instance.
  32          *
  33          * @since 2.8.0
  34          * @access public
  35          *
  36          * @param array $args     Display arguments including 'before_title', 'after_title',
  37          *                        'before_widget', and 'after_widget'.
  38          * @param array $instance Settings for the current Archives widget instance.
  39          */
  40         public function widget( $args, $instance ) {
  41                 $c = ! empty( $instance['count'] ) ? '1' : '0';
  42                 $d = ! empty( $instance['dropdown'] ) ? '1' : '0';
  43
  44                 /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
  45                 $title = apply_filters( 'widget_title', empty( $instance['title'] ) ? __( 'Archives' ) : $instance['title'], $instance, $this->id_base );
  46
  47                 echo $args['before_widget'];
  48                 if ( $title ) {
  49                         echo $args['before_title'] . $title . $args['after_title'];
  50                 }
  51
  52                 if ( $d ) {
  53                         $dropdown_id = "{$this->id_base}-dropdown-{$this->number}";
  54                         ?>
  55                 <label class="screen-reader-text" for="<?php echo esc_attr( $dropdown_id ); ?>"><?php echo $title; ?></label>
  56                 <select id="<?php echo esc_attr( $dropdown_id ); ?>" name="archive-dropdown" onchange='document.location.href=this.options[this.selectedIndex].value;'>
  57                         <?php
  58                         /**
  59                          * Filter the arguments for the Archives widget drop-down.
  60                          *
  61                          * @since 2.8.0
  62                          *
  63                          * @see wp_get_archives()
  64                          *
  65                          * @param array $args An array of Archives widget drop-down arguments.
  66                          */
  67                         $dropdown_args = apply_filters( 'widget_archives_dropdown_args', array(
  68                                 'type'            => 'monthly',
  69                                 'format'          => 'option',
  70                                 'show_post_count' => $c
  71                         ) );
  72
  73                         switch ( $dropdown_args['type'] ) {
  74                                 case 'yearly':
  75                                         $label = __( 'Select Year' );
  76                                         break;
  77                                 case 'monthly':
  78                                         $label = __( 'Select Month' );
  79                                         break;
  80                                 case 'daily':
  81                                         $label = __( 'Select Day' );
  82                                         break;
  83                                 case 'weekly':
  84                                         $label = __( 'Select Week' );
  85                                         break;
  86                                 default:
  87                                         $label = __( 'Select Post' );
  88                                         break;
  89                         }
  90                         ?>
  91
  92                         <option value=""><?php echo esc_attr( $label ); ?></option>
  93                         <?php wp_get_archives( $dropdown_args ); ?>
  94
  95                 </select>
  96                 <?php } else { ?>
  97                 <ul>
  98                 <?php
  99                 /**
 100                  * Filter the arguments for the Archives widget.
 101                  *
 102                  * @since 2.8.0
 103                  *
 104                  * @see wp_get_archives()
 105                  *
 106                  * @param array $args An array of Archives option arguments.
 107                  */
 108                 wp_get_archives( apply_filters( 'widget_archives_args', array(
 109                         'type'            => 'monthly',
 110                         'show_post_count' => $c
 111                 ) ) );
 112                 ?>
 113                 </ul>
 114                 <?php
 115                 }
 116
 117                 echo $args['after_widget'];
 118         }
 119
 120         /**
 121          * Handles updating settings for the current Archives widget instance.
 122          *
 123          * @since 2.8.0
 124          * @access public
 125          *
 126          * @param array $new_instance New settings for this instance as input by the user via
 127          *                            WP_Widget_Archives::form().
 128          * @param array $old_instance Old settings for this instance.
 129          * @return array Updated settings to save.
 130          */
 131         public function update( $new_instance, $old_instance ) {
 132                 $instance = $old_instance;
 133                 $new_instance = wp_parse_args( (array) $new_instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
 134                 $instance['title'] = sanitize_text_field( $new_instance['title'] );
 135                 $instance['count'] = $new_instance['count'] ? 1 : 0;
 136                 $instance['dropdown'] = $new_instance['dropdown'] ? 1 : 0;
 137
 138                 return $instance;
 139         }
 140
 141         /**
 142          * Outputs the settings form for the Archives widget.
 143          *
 144          * @since 2.8.0
 145          * @access public
 146          *
 147          * @param array $instance Current settings.
 148          */
 149         public function form( $instance ) {
 150                 $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => 0, 'dropdown' => '') );
 151                 $title = sanitize_text_field( $instance['title'] );
 152                 ?>
 153                 <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 $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>
 154                 <p>
 155                         <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>
 156                         <br/>
 157                         <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>
 158                 </p>
 159                 <?php
 160         }
 161 }