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 https://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          * Constructor.
  28          *
  29          * @since Twenty Fourteen 1.0
  30          *
  31          * @return Twenty_Fourteen_Ephemera_Widget
  32          */
  33         public function __construct() {
  34                 parent::__construct( 'widget_twentyfourteen_ephemera', __( 'Twenty Fourteen Ephemera', 'twentyfourteen' ), array(
  35                         'classname'   => 'widget_twentyfourteen_ephemera',
  36                         'description' => __( 'Use this widget to list your recent Aside, Quote, Video, Audio, Image, Gallery, and Link posts.', 'twentyfourteen' ),
  37                         'customize_selective_refresh' => true,
  38                 ) );
  39
  40                 if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
  41                         add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
  42                 }
  43         }
  44
  45         /**
  46          * Enqueue scripts.
  47          *
  48          * @since Twenty Fourteen 1.7
  49          */
  50         public function enqueue_scripts() {
  51                 /** This filter is documented in wp-includes/media.php */
  52                 $audio_library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
  53                 /** This filter is documented in wp-includes/media.php */
  54                 $video_library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
  55                 if ( in_array( 'mediaelement', array( $video_library, $audio_library ), true ) ) {
  56                         wp_enqueue_style( 'wp-mediaelement' );
  57                         wp_enqueue_script( 'wp-mediaelement' );
  58                 }
  59         }
  60
  61         /**
  62          * Output the HTML for this widget.
  63          *
  64          * @access public
  65          * @since Twenty Fourteen 1.0
  66          *
  67          * @param array $args     An array of standard parameters for widgets in this theme.
  68          * @param array $instance An array of settings for this widget instance.
  69          */
  70         public function widget( $args, $instance ) {
  71                 $format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
  72
  73                 switch ( $format ) {
  74                         case 'image':
  75                                 $format_string      = __( 'Images', 'twentyfourteen' );
  76                                 $format_string_more = __( 'More images', 'twentyfourteen' );
  77                                 break;
  78                         case 'video':
  79                                 $format_string      = __( 'Videos', 'twentyfourteen' );
  80                                 $format_string_more = __( 'More videos', 'twentyfourteen' );
  81                                 break;
  82                         case 'audio':
  83                                 $format_string      = __( 'Audio', 'twentyfourteen' );
  84                                 $format_string_more = __( 'More audio', 'twentyfourteen' );
  85                                 break;
  86                         case 'quote':
  87                                 $format_string      = __( 'Quotes', 'twentyfourteen' );
  88                                 $format_string_more = __( 'More quotes', 'twentyfourteen' );
  89                                 break;
  90                         case 'link':
  91                                 $format_string      = __( 'Links', 'twentyfourteen' );
  92                                 $format_string_more = __( 'More links', 'twentyfourteen' );
  93                                 break;
  94                         case 'gallery':
  95                                 $format_string      = __( 'Galleries', 'twentyfourteen' );
  96                                 $format_string_more = __( 'More galleries', 'twentyfourteen' );
  97                                 break;
  98                         case 'aside':
  99                         default:
 100                                 $format_string      = __( 'Asides', 'twentyfourteen' );
 101                                 $format_string_more = __( 'More asides', 'twentyfourteen' );
 102                                 break;
 103                 }
 104
 105                 $number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
 106                 $title  = apply_filters( 'widget_title', empty( $instance['title'] ) ? $format_string : $instance['title'], $instance, $this->id_base );
 107
 108                 $ephemera = new WP_Query( array(
 109                         'order'          => 'DESC',
 110                         'posts_per_page' => $number,
 111                         'no_found_rows'  => true,
 112                         'post_status'    => 'publish',
 113                         'post__not_in'   => get_option( 'sticky_posts' ),
 114                         'tax_query'      => array(
 115                                 array(
 116                                         'taxonomy' => 'post_format',
 117                                         'terms'    => array( "post-format-$format" ),
 118                                         'field'    => 'slug',
 119                                         'operator' => 'IN',
 120                                 ),
 121                         ),
 122                 ) );
 123
 124                 if ( $ephemera->have_posts() ) :
 125                         $tmp_content_width = $GLOBALS['content_width'];
 126                         $GLOBALS['content_width'] = 306;
 127
 128                         echo $args['before_widget'];
 129                         ?>
 130                         <h1 class="widget-title <?php echo esc_attr( $format ); ?>">
 131                                 <a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo esc_html( $title ); ?></a>
 132                         </h1>
 133                         <ol>
 134
 135                                 <?php
 136                                         while ( $ephemera->have_posts() ) :
 137                                                 $ephemera->the_post();
 138                                                 $tmp_more = $GLOBALS['more'];
 139                                                 $GLOBALS['more'] = 0;
 140                                 ?>
 141                                 <li>
 142                                 <article <?php post_class(); ?>>
 143                                         <div class="entry-content">
 144                                                 <?php
 145                                                         if ( has_post_format( 'gallery' ) ) :
 146
 147                                                                 if ( post_password_required() ) :
 148                                                                         the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
 149                                                                 else :
 150                                                                         $images = array();
 151
 152                                                                         $galleries = get_post_galleries( get_the_ID(), false );
 153                                                                         if ( isset( $galleries[0]['ids'] ) )
 154                                                                                 $images = explode( ',', $galleries[0]['ids'] );
 155
 156                                                                         if ( ! $images ) :
 157                                                                                 $images = get_posts( array(
 158                                                                                         'fields'         => 'ids',
 159                                                                                         'numberposts'    => -1,
 160                                                                                         'order'          => 'ASC',
 161                                                                                         'orderby'        => 'menu_order',
 162                                                                                         'post_mime_type' => 'image',
 163                                                                                         'post_parent'    => get_the_ID(),
 164                                                                                         'post_type'      => 'attachment',
 165                                                                                 ) );
 166                                                                         endif;
 167
 168                                                                         $total_images = count( $images );
 169
 170                                                                         if ( has_post_thumbnail() ) :
 171                                                                                 $post_thumbnail = get_the_post_thumbnail();
 172                                                                         elseif ( $total_images > 0 ) :
 173                                                                                 $image          = reset( $images );
 174                                                                                 $post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
 175                                                                         endif;
 176
 177                                                                         if ( ! empty ( $post_thumbnail ) ) :
 178                                                 ?>
 179                                                 <a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
 180                                                 <?php endif; ?>
 181                                                 <p class="wp-caption-text">
 182                                                         <?php
 183                                                                 printf( _n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
 184                                                                         esc_url( get_permalink() ),
 185                                                                         number_format_i18n( $total_images )
 186                                                                 );
 187                                                         ?>
 188                                                 </p>
 189                                                 <?php
 190                                                                 endif;
 191
 192                                                         else :
 193                                                                 the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
 194                                                         endif;
 195                                                 ?>
 196                                         </div><!-- .entry-content -->
 197
 198                                         <header class="entry-header">
 199                                                 <div class="entry-meta">
 200                                                         <?php
 201                                                                 if ( ! has_post_format( 'link' ) ) :
 202                                                                         the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
 203                                                                 endif;
 204
 205                                                                 printf( '<span class="entry-date"><a href="%1$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>',
 206                                                                         esc_url( get_permalink() ),
 207                                                                         esc_attr( get_the_date( 'c' ) ),
 208                                                                         esc_html( get_the_date() ),
 209                                                                         esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
 210                                                                         get_the_author()
 211                                                                 );
 212
 213                                                                 if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
 214                                                         ?>
 215                                                         <span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
 216                                                         <?php endif; ?>
 217                                                 </div><!-- .entry-meta -->
 218                                         </header><!-- .entry-header -->
 219                                 </article><!-- #post-## -->
 220                                 </li>
 221                                 <?php endwhile; ?>
 222
 223                         </ol>
 224                         <a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>">
 225                                 <?php
 226                                         /* translators: used with More archives link */
 227                                         printf( __( '%s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ), $format_string_more );
 228                                 ?>
 229                         </a>
 230                         <?php
 231
 232                         echo $args['after_widget'];
 233
 234                         // Reset the post globals as this query will have stomped on it.
 235                         wp_reset_postdata();
 236
 237                         $GLOBALS['more']          = $tmp_more;
 238                         $GLOBALS['content_width'] = $tmp_content_width;
 239
 240                 endif; // End check for ephemeral posts.
 241         }
 242
 243         /**
 244          * Deal with the settings when they are saved by the admin.
 245          *
 246          * Here is where any validation should happen.
 247          *
 248          * @since Twenty Fourteen 1.0
 249          *
 250          * @param array $new_instance New widget instance.
 251          * @param array $instance     Original widget instance.
 252          * @return array Updated widget instance.
 253          */
 254         function update( $new_instance, $instance ) {
 255                 $instance['title']  = strip_tags( $new_instance['title'] );
 256                 $instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
 257                 if ( in_array( $new_instance['format'], $this->formats ) ) {
 258                         $instance['format'] = $new_instance['format'];
 259                 }
 260
 261                 return $instance;
 262         }
 263
 264         /**
 265          * Display the form for this widget on the Widgets page of the Admin area.
 266          *
 267          * @since Twenty Fourteen 1.0
 268          *
 269          * @param array $instance
 270          */
 271         function form( $instance ) {
 272                 $title  = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
 273                 $number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
 274                 $format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
 275                 ?>
 276                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
 277                         <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>
 278
 279                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
 280                         <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>
 281
 282                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
 283                         <select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
 284                                 <?php foreach ( $this->formats as $slug ) : ?>
 285                                 <option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo esc_html( get_post_format_string( $slug ) ); ?></option>
 286                                 <?php endforeach; ?>
 287                         </select>
 288                 <?php
 289         }
 290 }