WordPress 4.2
[autoinstalls/wordpress.git] / 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                 ) );
38         }
39
40         /**
41          * Output the HTML for this widget.
42          *
43          * @access public
44          * @since Twenty Fourteen 1.0
45          *
46          * @param array $args     An array of standard parameters for widgets in this theme.
47          * @param array $instance An array of settings for this widget instance.
48          */
49         public function widget( $args, $instance ) {
50                 $format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
51
52                 switch ( $format ) {
53                         case 'image':
54                                 $format_string      = __( 'Images', 'twentyfourteen' );
55                                 $format_string_more = __( 'More images', 'twentyfourteen' );
56                                 break;
57                         case 'video':
58                                 $format_string      = __( 'Videos', 'twentyfourteen' );
59                                 $format_string_more = __( 'More videos', 'twentyfourteen' );
60                                 break;
61                         case 'audio':
62                                 $format_string      = __( 'Audio', 'twentyfourteen' );
63                                 $format_string_more = __( 'More audio', 'twentyfourteen' );
64                                 break;
65                         case 'quote':
66                                 $format_string      = __( 'Quotes', 'twentyfourteen' );
67                                 $format_string_more = __( 'More quotes', 'twentyfourteen' );
68                                 break;
69                         case 'link':
70                                 $format_string      = __( 'Links', 'twentyfourteen' );
71                                 $format_string_more = __( 'More links', 'twentyfourteen' );
72                                 break;
73                         case 'gallery':
74                                 $format_string      = __( 'Galleries', 'twentyfourteen' );
75                                 $format_string_more = __( 'More galleries', 'twentyfourteen' );
76                                 break;
77                         case 'aside':
78                         default:
79                                 $format_string      = __( 'Asides', 'twentyfourteen' );
80                                 $format_string_more = __( 'More asides', 'twentyfourteen' );
81                                 break;
82                 }
83
84                 $number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
85                 $title  = apply_filters( 'widget_title', empty( $instance['title'] ) ? $format_string : $instance['title'], $instance, $this->id_base );
86
87                 $ephemera = new WP_Query( array(
88                         'order'          => 'DESC',
89                         'posts_per_page' => $number,
90                         'no_found_rows'  => true,
91                         'post_status'    => 'publish',
92                         'post__not_in'   => get_option( 'sticky_posts' ),
93                         'tax_query'      => array(
94                                 array(
95                                         'taxonomy' => 'post_format',
96                                         'terms'    => array( "post-format-$format" ),
97                                         'field'    => 'slug',
98                                         'operator' => 'IN',
99                                 ),
100                         ),
101                 ) );
102
103                 if ( $ephemera->have_posts() ) :
104                         $tmp_content_width = $GLOBALS['content_width'];
105                         $GLOBALS['content_width'] = 306;
106
107                         echo $args['before_widget'];
108                         ?>
109                         <h1 class="widget-title <?php echo esc_attr( $format ); ?>">
110                                 <a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo esc_html( $title ); ?></a>
111                         </h1>
112                         <ol>
113
114                                 <?php
115                                         while ( $ephemera->have_posts() ) :
116                                                 $ephemera->the_post();
117                                                 $tmp_more = $GLOBALS['more'];
118                                                 $GLOBALS['more'] = 0;
119                                 ?>
120                                 <li>
121                                 <article <?php post_class(); ?>>
122                                         <div class="entry-content">
123                                                 <?php
124                                                         if ( has_post_format( 'gallery' ) ) :
125
126                                                                 if ( post_password_required() ) :
127                                                                         the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
128                                                                 else :
129                                                                         $images = array();
130
131                                                                         $galleries = get_post_galleries( get_the_ID(), false );
132                                                                         if ( isset( $galleries[0]['ids'] ) )
133                                                                                 $images = explode( ',', $galleries[0]['ids'] );
134
135                                                                         if ( ! $images ) :
136                                                                                 $images = get_posts( array(
137                                                                                         'fields'         => 'ids',
138                                                                                         'numberposts'    => -1,
139                                                                                         'order'          => 'ASC',
140                                                                                         'orderby'        => 'menu_order',
141                                                                                         'post_mime_type' => 'image',
142                                                                                         'post_parent'    => get_the_ID(),
143                                                                                         'post_type'      => 'attachment',
144                                                                                 ) );
145                                                                         endif;
146
147                                                                         $total_images = count( $images );
148
149                                                                         if ( has_post_thumbnail() ) :
150                                                                                 $post_thumbnail = get_the_post_thumbnail();
151                                                                         elseif ( $total_images > 0 ) :
152                                                                                 $image          = reset( $images );
153                                                                                 $post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
154                                                                         endif;
155
156                                                                         if ( ! empty ( $post_thumbnail ) ) :
157                                                 ?>
158                                                 <a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
159                                                 <?php endif; ?>
160                                                 <p class="wp-caption-text">
161                                                         <?php
162                                                                 printf( _n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
163                                                                         esc_url( get_permalink() ),
164                                                                         number_format_i18n( $total_images )
165                                                                 );
166                                                         ?>
167                                                 </p>
168                                                 <?php
169                                                                 endif;
170
171                                                         else :
172                                                                 the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
173                                                         endif;
174                                                 ?>
175                                         </div><!-- .entry-content -->
176
177                                         <header class="entry-header">
178                                                 <div class="entry-meta">
179                                                         <?php
180                                                                 if ( ! has_post_format( 'link' ) ) :
181                                                                         the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
182                                                                 endif;
183
184                                                                 printf( '<span class="entry-date"><a href="%1$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>',
185                                                                         esc_url( get_permalink() ),
186                                                                         esc_attr( get_the_date( 'c' ) ),
187                                                                         esc_html( get_the_date() ),
188                                                                         esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
189                                                                         get_the_author()
190                                                                 );
191
192                                                                 if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
193                                                         ?>
194                                                         <span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
195                                                         <?php endif; ?>
196                                                 </div><!-- .entry-meta -->
197                                         </header><!-- .entry-header -->
198                                 </article><!-- #post-## -->
199                                 </li>
200                                 <?php endwhile; ?>
201
202                         </ol>
203                         <a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>">
204                                 <?php
205                                         /* translators: used with More archives link */
206                                         printf( __( '%s <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ), $format_string_more );
207                                 ?>
208                         </a>
209                         <?php
210
211                         echo $args['after_widget'];
212
213                         // Reset the post globals as this query will have stomped on it.
214                         wp_reset_postdata();
215
216                         $GLOBALS['more']          = $tmp_more;
217                         $GLOBALS['content_width'] = $tmp_content_width;
218
219                 endif; // End check for ephemeral posts.
220         }
221
222         /**
223          * Deal with the settings when they are saved by the admin.
224          *
225          * Here is where any validation should happen.
226          *
227          * @since Twenty Fourteen 1.0
228          *
229          * @param array $new_instance New widget instance.
230          * @param array $instance     Original widget instance.
231          * @return array Updated widget instance.
232          */
233         function update( $new_instance, $instance ) {
234                 $instance['title']  = strip_tags( $new_instance['title'] );
235                 $instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
236                 if ( in_array( $new_instance['format'], $this->formats ) ) {
237                         $instance['format'] = $new_instance['format'];
238                 }
239
240                 return $instance;
241         }
242
243         /**
244          * Display the form for this widget on the Widgets page of the Admin area.
245          *
246          * @since Twenty Fourteen 1.0
247          *
248          * @param array $instance
249          */
250         function form( $instance ) {
251                 $title  = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
252                 $number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
253                 $format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
254                 ?>
255                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
256                         <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>
257
258                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
259                         <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>
260
261                         <p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
262                         <select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
263                                 <?php foreach ( $this->formats as $slug ) : ?>
264                                 <option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo esc_html( get_post_format_string( $slug ) ); ?></option>
265                                 <?php endforeach; ?>
266                         </select>
267                 <?php
268         }
269 }