wp/wp-content/themes/twentyfourteen/inc/widgets.php
changeset 5 5e2f62d02dcd
child 7 cf61fcea0001
equal deleted inserted replaced
4:346c88efed21 5:5e2f62d02dcd
       
     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 }