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

291 lines
10 KiB
PHP

<?php
/**
* Custom Widget for displaying specific post formats
*
* Displays posts from Aside, Quote, Video, Audio, Image, Gallery, and Link formats.
*
* @link http://codex.wordpress.org/Widgets_API#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' );
/**
* Pluralized post format strings.
*
* @since Twenty Fourteen 1.0
*
* @var array
*/
private $format_strings;
/**
* 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' ),
) );
/*
* @todo http://core.trac.wordpress.org/ticket/23257: Add plural versions of Post Format strings
*/
$this->format_strings = array(
'aside' => __( 'Asides', 'twentyfourteen' ),
'image' => __( 'Images', 'twentyfourteen' ),
'video' => __( 'Videos', 'twentyfourteen' ),
'audio' => __( 'Audio', 'twentyfourteen' ),
'quote' => __( 'Quotes', 'twentyfourteen' ),
'link' => __( 'Links', 'twentyfourteen' ),
'gallery' => __( 'Galleries', 'twentyfourteen' ),
);
add_action( 'save_post', array( $this, 'flush_widget_cache' ) );
add_action( 'deleted_post', array( $this, 'flush_widget_cache' ) );
add_action( 'switch_theme', array( $this, 'flush_widget_cache' ) );
}
/**
* 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.
* @return void Echoes its output.
*/
public function widget( $args, $instance ) {
// If called directly, assign an unique index for caching.
if ( -1 == $this->number ) {
static $num = -1;
$this->_set( --$num );
}
$content = get_transient( $this->id );
if ( false !== $content ) {
echo $content;
return;
}
ob_start();
extract( $args, EXTR_SKIP );
$format = $instance['format'];
$number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? $this->format_strings[ $format ] : $instance['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 $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 $title; ?></a>
</h1>
<ol>
<?php while ( $ephemera->have_posts() ) : $ephemera->the_post(); ?>
<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">&rarr;</span>', 'twentyfourteen' ) );
else :
$images = array();
if ( function_exists( 'get_post_galleries' ) ) {
$galleries = get_post_galleries( get_the_ID(), false );
if ( isset( $galleries[0]['ids'] ) )
$images = explode( ',', $galleries[0]['ids'] );
} else {
$pattern = get_shortcode_regex();
preg_match( "/$pattern/s", get_the_content(), $match );
$atts = shortcode_parse_atts( $match[3] );
if ( isset( $atts['ids'] ) )
$images = explode( ',', $atts['ids'] );
}
if ( ! $images ) :
$images = get_posts( array(
'fields' => 'ids',
'numberposts' => 999,
'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( get_the_ID(), 'post-thumbnail' );
elseif ( $total_images > 0 ) :
$image = array_shift( $images );
$post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
endif;
if ( ! empty ( $post_thumbnail ) ) :
?>
<a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
<?php
endif;
?>
<p class="wp-caption-text">
<?php
printf( _n( 'This gallery contains <a href="%1$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( $total_images )
);
?>
</p>
<?php
endif;
else :
the_content( __( 'Continue reading <span class="meta-nav">&rarr;</span>', 'twentyfourteen' ) );
endif;
?>
</div><!-- .entry-content -->
<header class="entry-header">
<div class="entry-meta">
<?php
if ( ! has_post_format( 'link' ) ) :
the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
endif;
printf( __( '<span class="entry-date"><a href="%1$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>', 'twentyfourteen' ),
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-## -->
</li>
<?php endwhile; ?>
</ol>
<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>
<?php
echo $after_widget;
// Reset the post globals as this query will have stomped on it.
wp_reset_postdata();
$GLOBALS['content_width'] = $tmp_content_width;
endif; // End check for ephemeral posts.
set_transient( $this->id, ob_get_flush() );
}
/**
* 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
* @param array $instance
* @return array
*/
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 ) )
$instance['format'] = $new_instance['format'];
$this->flush_widget_cache();
return $instance;
}
/**
* Delete the transient.
*
* @since Twenty Fourteen 1.0
*
* @return void
*/
function flush_widget_cache() {
delete_transient( $this->id );
}
/**
* Display the form for this widget on the Widgets page of the Admin area.
*
* @since Twenty Fourteen 1.0
*
* @param array $instance
* @return void
*/
function form( $instance ) {
$title = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
$number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
$format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['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 get_post_format_string( $slug ); ?></option>
<?php endforeach; ?>
</select>
<?php
}
}