wp-content/themes/twentyfourteen/inc/widgets.php

   1 <?php
   2 /**
   3  * Custom Widget for displaying specific post formats
   4  *
   5  * Displays posts from Aside, Quote, Video, Audio, Image, Gallery, and Link formats.
   6  *
   7  * @link http://codex.wordpress.org/Widgets_API#Developing_Widgets
   8  *
   9  * @package WordPress
  10  * @subpackage Twenty_Fourteen
  11  * @since Twenty Fourteen 1.0
  12  */
  13
  14 class Twenty_Fourteen_Ephemera_Widget extends WP_Widget {
  15
  16         /**
  17          * The supported post formats.
  18          *
  19          * @access private
  20          * @since Twenty Fourteen 1.0
  21          *
  22          * @var array
  23          */
  24         private $formats = array( 'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery' );
  25
  26         /**
  27          * Pluralized post format strings.
  28          *
  29          * @access private
  30          * @since Twenty Fourteen 1.0
  31          *
  32          * @var array
  33          */
  34         private $format_strings;
  35
  36         /**
  37          * Constructor.
  38          *
  39          * @since Twenty Fourteen 1.0
  40          *
  41          * @return Twenty_Fourteen_Ephemera_Widget
  42          */
  43         public function __construct() {
  44                 parent::__construct( 'widget_twentyfourteen_ephemera', __( 'Twenty Fourteen Ephemera', 'twentyfourteen' ), array(
  45                         'classname'   => 'widget_twentyfourteen_ephemera',
  46                         'description' => __( 'Use this widget to list your recent Aside, Quote, Video, Audio, Image, Gallery, and Link posts', 'twentyfourteen' ),
  47                 ) );
  48
  49                 /*
  50                  * @todo http://core.trac.wordpress.org/ticket/23257: Add plural versions of Post Format strings
  51                  */
  52                 $this->format_strings = array(
  53                         'aside'   => __( 'Asides',    'twentyfourteen' ),
  54                         'image'   => __( 'Images',    'twentyfourteen' ),
  55                         'video'   => __( 'Videos',    'twentyfourteen' ),
  56                         'audio'   => __( 'Audio',     'twentyfourteen' ),
  57                         'quote'   => __( 'Quotes',    'twentyfourteen' ),
  58                         'link'    => __( 'Links',     'twentyfourteen' ),
  59                         'gallery' => __( 'Galleries', 'twentyfourteen' ),
  60                 );
  61         }
  62
  63         /**
  64          * Output the HTML for this widget.
  65          *
  66          * @access public
  67          * @since Twenty Fourteen 1.0
  68          *
  69          * @param array $args     An array of standard parameters for widgets in this theme.
  70          * @param array $instance An array of settings for this widget instance.
  71          * @return void Echoes its output.
  72          */
  73         public function widget( $args, $instance ) {
  74                 $format = $instance['format'];
  75                 $number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
  76                 $title  = apply_filters( 'widget_title', empty( $instance['title'] ) ? $this->format_strings[ $format ] : $instance['title'], $instance, $this->id_base );
  77
  78                 $ephemera = new WP_Query( array(
  79                         'order'          => 'DESC',
  80                         'posts_per_page' => $number,
  81                         'no_found_rows'  => true,
  82                         'post_status'    => 'publish',
  83                         'post__not_in'   => get_option( 'sticky_posts' ),
  84                         'tax_query'      => array(
  85                                 array(
  86                                         'taxonomy' => 'post_format',
  87                                         'terms'    => array( "post-format-$format" ),
  88                                         'field'    => 'slug',
  89                                         'operator' => 'IN',
  90                                 ),
  91                         ),
  92                 ) );
  93
  94                 if ( $ephemera->have_posts() ) :
  95                         $tmp_content_width = $GLOBALS['content_width'];
  96                         $GLOBALS['content_width'] = 306;
  97
  98                         echo $args['before_widget'];
  99                         ?>
 100                         <h1 class="widget-title <?php echo esc_attr( $format ); ?>">
 101                                 <a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo $title; ?></a>
 102                         </h1>
 103                         <ol>
 104
 105                                 <?php while ( $ephemera->have_posts() ) : $ephemera->the_post(); ?>
 106                                 <li>
 107                                 <article <?php post_class(); ?>>
 108                                         <div class="entry-content">
 109                                                 <?php
 110                                                         if ( has_post_format( 'gallery' ) ) :
 111
 112                                                                 if ( post_password_required() ) :
 113                                                                         the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
 114                                                                 else :
 115                                                                         $images = array();
 116
 117                                                                         $galleries = get_post_galleries( get_the_ID(), false );
 118                                                                         if ( isset( $galleries[0]['ids'] ) )
 119                                                                                 $images = explode( ',', $galleries[0]['ids'] );
 120
 121                                                                         if ( ! $images ) :
 122                                                                                 $images = get_posts( array(
 123                                                                                         'fields'         => 'ids',
 124                                                                                         'numberposts'    => -1,
 125                                                                                         'order'          => 'ASC',
 126                                                                                         'orderby'        => 'menu_order',
 127                                                                                         'post_mime_type' => 'image',
 128                                                                                         'post_parent'    => get_the_ID(),
 129                                                                                         'post_type'      => 'attachment',
 130                                                                                 ) );
 131                                                                         endif;
 132
 133                                                                         $total_images = count( $images );
 134
 135                                                                         if ( has_post_thumbnail() ) :
 136                                                                                 $post_thumbnail = get_the_post_thumbnail();
 137                                                                         elseif ( $total_images > 0 ) :
 138                                                                                 $image          = array_shift( $images );
 139                                                                                 $post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
 140                                                                         endif;
 141
 142                                                                         if ( ! empty ( $post_thumbnail ) ) :
 143                                                 ?>
 144                                                 <a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
 145                                                 <?php endif; ?>
 146                                                 <p class="wp-caption-text">
 147                                                         <?php
 148                                                                 printf( _n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
 149                                                                         esc_url( get_permalink() ),
 150                                                                         number_format_i18n( $total_images )
 151                                                                 );
 152                                                         ?>
 153                                                 </p>
 154                                                 <?php
 155                                                                 endif;
 156
 157                                                         else :
 158                                                                 the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
 159                                                         endif;
 160                                                 ?>
 161                                         </div><!-- .entry-content -->
 162
 163                                         <header class="entry-header">
 164                                                 <div class="entry-meta">
 165                                                         <?php
 166                                                                 if ( ! has_post_format( 'link' ) ) :
 167                                                                         the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
 168                                                                 endif;
 169
 170                                                                 printf( '<span class="entry-date"><a href="%1$s" rel="bookmark"><time class="entry-date" datetime="%2$s">%3$s</time></a></span> <span class="byline"><span class="author vcard"><a class="url fn n" href="%4$s" rel="author">%5$s</a></span></span>',
 171                                                                         esc_url( get_permalink() ),
 172                                                                         esc_attr( get_the_date( 'c' ) ),
 173                                                                         esc_html( get_the_date() ),
 174                                                                         esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
 175                                                                         get_the_author()
 176                                                                 );
 177
 178                                                                 if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
 179                                                         ?>
 180                                                         <span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
 181                                                         <?php endif; ?>
 182                                                 </div><!-- .entry-meta -->
 183                                         </header><!-- .entry-header -->
 184                                 </article><!-- #post-## -->
 185                                 </li>
 186                                 <?php endwhile; ?>
 187
 188                         </ol>
 189                         <a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php printf( __( 'More %s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ), $this->format_strings[ $format ] ); ?></a>
 190                         <?php
 191
 192                         echo $args['after_widget'];
 193
 194                         // Reset the post globals as this query will have stomped on it.
 195                         wp_reset_postdata();
 196
 197                         $GLOBALS['content_width'] = $tmp_content_width;
 198
 199                 endif; // End check for ephemeral posts.
 200         }
 201
 202         /**
 203          * Deal with the settings when they are saved by the admin.
 204          *
 205          * Here is where any validation should happen.
 206          *
 207          * @since Twenty Fourteen 1.0
 208          *
 209          * @param array $new_instance New widget instance.
 210          * @param array $instance     Original widget instance.
 211          * @return array Updated widget instance.
 212          */
 213         function update( $new_instance, $instance ) {
 214                 $instance['title']  = strip_tags( $new_instance['title'] );
 215                 $instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
 216                 if ( in_array( $new_instance['format'], $this->formats ) ) {
 217                         $instance['format'] = $new_instance['format'];
 218                 }
 219
 220                 return $instance;
 221         }
 222
 223         /**
 224          * Display the form for this widget on the Widgets page of the Admin area.
 225          *
 226          * @since Twenty Fourteen 1.0
 227          *
 228          * @param array $instance
 229          * @return void
 230          */
 231         function form( $instance ) {
 232                 $title  = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
 233                 $number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
 234                 $format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
 235                 ?>
 236                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
 237                         <input id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>"></p>
 238
 239                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
 240                         <input id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" size="3"></p>
 241
 242                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
 243                         <select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
 244                                 <?php foreach ( $this->formats as $slug ) : ?>
 245                                 <option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo get_post_format_string( $slug ); ?></option>
 246                                 <?php endforeach; ?>
 247                         </select>
 248                 <?php
 249         }
 250 }