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<?php
/**
* Custom Widget for displaying specific post formats
*
* Displays posts from Aside, Quote, Video, Audio, Image, Gallery, and Link formats.
*
* @link https://developer.wordpress.org/themes/functionality/widgets/#developing-widgets
*
* @package WordPress
* @subpackage Twenty_Fourteen
* @since Twenty Fourteen 1.0
*/
class Twenty_Fourteen_Ephemera_Widget extends WP_Widget {
/**
* The supported post formats.
*
* @since Twenty Fourteen 1.0
*
* @var array
*/
private $formats = array( 'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery' );
/**
* Constructor.
*
* @since Twenty Fourteen 1.0
*
* @return Twenty_Fourteen_Ephemera_Widget
*/
public function __construct() {
parent::__construct(
'widget_twentyfourteen_ephemera',
__( 'Twenty Fourteen Ephemera', 'twentyfourteen' ),
array(
'classname' => 'widget_twentyfourteen_ephemera',
'description' => __( 'Use this widget to list your recent Aside, Quote, Video, Audio, Image, Gallery, and Link posts.', 'twentyfourteen' ),
'customize_selective_refresh' => true,
)
);
if ( is_active_widget( false, false, $this->id_base ) || is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
}
}
/**
* Enqueue scripts.
*
* @since Twenty Fourteen 1.7
*/
public function enqueue_scripts() {
/** This filter is documented in wp-includes/media.php */
$audio_library = apply_filters( 'wp_audio_shortcode_library', 'mediaelement' );
/** This filter is documented in wp-includes/media.php */
$video_library = apply_filters( 'wp_video_shortcode_library', 'mediaelement' );
if ( in_array( 'mediaelement', array( $video_library, $audio_library ), true ) ) {
wp_enqueue_style( 'wp-mediaelement' );
wp_enqueue_script( 'mediaelement-vimeo' );
wp_enqueue_script( 'wp-mediaelement' );
}
}
/**
* Output the HTML for this widget.
*
* @since Twenty Fourteen 1.0
*
* @param array $args An array of standard parameters for widgets in this theme.
* @param array $instance An array of settings for this widget instance.
*/
public function widget( $args, $instance ) {
$format = isset( $instance['format'] ) ? $instance['format'] : '';
if ( ! $format || ! in_array( $format, $this->formats, true ) ) {
$format = 'aside';
}
switch ( $format ) {
case 'image':
$format_string = __( 'Images', 'twentyfourteen' );
$format_string_more = __( 'More images', 'twentyfourteen' );
break;
case 'video':
$format_string = __( 'Videos', 'twentyfourteen' );
$format_string_more = __( 'More videos', 'twentyfourteen' );
break;
case 'audio':
$format_string = __( 'Audio', 'twentyfourteen' );
$format_string_more = __( 'More audio', 'twentyfourteen' );
break;
case 'quote':
$format_string = __( 'Quotes', 'twentyfourteen' );
$format_string_more = __( 'More quotes', 'twentyfourteen' );
break;
case 'link':
$format_string = __( 'Links', 'twentyfourteen' );
$format_string_more = __( 'More links', 'twentyfourteen' );
break;
case 'gallery':
$format_string = __( 'Galleries', 'twentyfourteen' );
$format_string_more = __( 'More galleries', 'twentyfourteen' );
break;
case 'aside':
default:
$format_string = __( 'Asides', 'twentyfourteen' );
$format_string_more = __( 'More asides', 'twentyfourteen' );
break;
}
$number = ! empty( $instance['number'] ) ? absint( $instance['number'] ) : 2;
$title = ! empty( $instance['title'] ) ? $instance['title'] : $format_string;
$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
$ephemera = new WP_Query(
array(
'order' => 'DESC',
'posts_per_page' => $number,
'no_found_rows' => true,
'post_status' => 'publish',
'post__not_in' => get_option( 'sticky_posts' ),
'tax_query' => array(
array(
'taxonomy' => 'post_format',
'terms' => array( "post-format-$format" ),
'field' => 'slug',
'operator' => 'IN',
),
),
)
);
if ( $ephemera->have_posts() ) :
$tmp_content_width = $GLOBALS['content_width'];
$GLOBALS['content_width'] = 306;
echo $args['before_widget'];
?>
<h1 class="widget-title <?php echo esc_attr( $format ); ?>">
<a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo esc_html( $title ); ?></a>
</h1>
<ol>
<?php
while ( $ephemera->have_posts() ) :
$ephemera->the_post();
$tmp_more = $GLOBALS['more'];
$GLOBALS['more'] = 0;
?>
<li>
<article <?php post_class(); ?>>
<div class="entry-content">
<?php
if ( has_post_format( 'gallery' ) ) :
if ( post_password_required() ) :
the_content( __( 'Continue reading <span class="meta-nav">→</span>', 'twentyfourteen' ) );
else :
$images = array();
$galleries = get_post_galleries( get_the_ID(), false );
if ( isset( $galleries[0]['ids'] ) ) {
$images = explode( ',', $galleries[0]['ids'] );
}
if ( ! $images ) :
$images = get_posts(
array(
'fields' => 'ids',
'numberposts' => -1,
'order' => 'ASC',
'orderby' => 'menu_order',
'post_mime_type' => 'image',
'post_parent' => get_the_ID(),
'post_type' => 'attachment',
)
);
endif;
$total_images = count( $images );
if ( has_post_thumbnail() ) :
$post_thumbnail = get_the_post_thumbnail();
elseif ( $total_images > 0 ) :
$image = reset( $images );
$post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
endif;
if ( ! empty( $post_thumbnail ) ) :
?>
<a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
<?php endif; ?>
<p class="wp-caption-text">
<?php
printf(
/* translators: 1: Post permalink, 2: Number of images in the gallery. */
_n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
esc_url( get_permalink() ),
number_format_i18n( $total_images )
);
?>
</p>
<?php
endif;
else :
the_content( __( 'Continue reading <span class="meta-nav">→</span>', 'twentyfourteen' ) );
endif;
?>
</div><!-- .entry-content -->
<header class="entry-header">
<div class="entry-meta">
<?php
if ( ! has_post_format( 'link' ) ) :
the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
endif;
printf(
'<span class="entry-date"><a href="%1$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>',
esc_url( get_permalink() ),
esc_attr( get_the_date( 'c' ) ),
esc_html( get_the_date() ),
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
get_the_author()
);
if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
?>
<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
<?php endif; ?>
</div><!-- .entry-meta -->
</header><!-- .entry-header -->
</article><!-- #post-<?php the_ID(); ?> -->
</li>
<?php endwhile; ?>
</ol>
<a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>">
<?php
/* translators: Used with More archives link. */
printf( __( '%s <span class="meta-nav">→</span>', 'twentyfourteen' ), $format_string_more );
?>
</a>
<?php
echo $args['after_widget'];
// Reset the post globals as this query will have stomped on it.
wp_reset_postdata();
$GLOBALS['more'] = $tmp_more;
$GLOBALS['content_width'] = $tmp_content_width;
endif; // End check for ephemeral posts.
}
/**
* Deal with the settings when they are saved by the admin.
*
* Here is where any validation should happen.
*
* @since Twenty Fourteen 1.0
*
* @param array $new_instance New widget instance.
* @param array $instance Original widget instance.
* @return array Updated widget instance.
*/
function update( $new_instance, $instance ) {
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
if ( in_array( $new_instance['format'], $this->formats, true ) ) {
$instance['format'] = $new_instance['format'];
}
return $instance;
}
/**
* Display the form for this widget on the Widgets page of the Admin area.
*
* @since Twenty Fourteen 1.0
*
* @param array $instance
*/
function form( $instance ) {
$title = ! empty( $instance['title'] ) ? esc_attr( $instance['title'] ) : '';
$number = ! empty( $instance['number'] ) ? absint( $instance['number'] ) : 2;
$format = isset( $instance['format'] ) ? $instance['format'] : '';
if ( ! $format || ! in_array( $format, $this->formats, true ) ) {
$format = 'aside';
}
?>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
<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>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
<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>
<p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
<select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
<?php foreach ( $this->formats as $slug ) : ?>
<option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo esc_html( get_post_format_string( $slug ) ); ?></option>
<?php endforeach; ?>
</select>
<?php
}
}