291 lines
10 KiB
PHP
291 lines
10 KiB
PHP
<?php
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/**
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* Custom Widget for displaying specific post formats
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*
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* Displays posts from Aside, Quote, Video, Audio, Image, Gallery, and Link formats.
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*
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* @link http://codex.wordpress.org/Widgets_API#Developing_Widgets
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*
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* @package WordPress
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* @subpackage Twenty_Fourteen
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* @since Twenty Fourteen 1.0
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*/
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class Twenty_Fourteen_Ephemera_Widget extends WP_Widget {
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/**
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* The supported post formats.
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*
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* @since Twenty Fourteen 1.0
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*
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* @var array
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*/
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private $formats = array( 'aside', 'image', 'video', 'audio', 'quote', 'link', 'gallery' );
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/**
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* Pluralized post format strings.
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*
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* @since Twenty Fourteen 1.0
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*
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* @var array
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*/
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private $format_strings;
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/**
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* Constructor.
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*
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* @since Twenty Fourteen 1.0
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*
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* @return Twenty_Fourteen_Ephemera_Widget
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*/
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public function __construct() {
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parent::__construct( 'widget_twentyfourteen_ephemera', __( 'Twenty Fourteen Ephemera', 'twentyfourteen' ), array(
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'classname' => 'widget_twentyfourteen_ephemera',
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'description' => __( 'Use this widget to list your recent Aside, Quote, Video, Audio, Image, Gallery, and Link posts', 'twentyfourteen' ),
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) );
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/*
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* @todo http://core.trac.wordpress.org/ticket/23257: Add plural versions of Post Format strings
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*/
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$this->format_strings = array(
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'aside' => __( 'Asides', 'twentyfourteen' ),
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'image' => __( 'Images', 'twentyfourteen' ),
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'video' => __( 'Videos', 'twentyfourteen' ),
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'audio' => __( 'Audio', 'twentyfourteen' ),
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'quote' => __( 'Quotes', 'twentyfourteen' ),
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'link' => __( 'Links', 'twentyfourteen' ),
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'gallery' => __( 'Galleries', 'twentyfourteen' ),
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);
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add_action( 'save_post', array( $this, 'flush_widget_cache' ) );
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add_action( 'deleted_post', array( $this, 'flush_widget_cache' ) );
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add_action( 'switch_theme', array( $this, 'flush_widget_cache' ) );
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}
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/**
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* Output the HTML for this widget.
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*
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* @since Twenty Fourteen 1.0
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*
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* @param array $args An array of standard parameters for widgets in this theme.
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* @param array $instance An array of settings for this widget instance.
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* @return void Echoes its output.
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*/
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public function widget( $args, $instance ) {
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// If called directly, assign an unique index for caching.
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if ( -1 == $this->number ) {
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static $num = -1;
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$this->_set( --$num );
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}
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$content = get_transient( $this->id );
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if ( false !== $content ) {
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echo $content;
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return;
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}
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ob_start();
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extract( $args, EXTR_SKIP );
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$format = $instance['format'];
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$number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
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$title = apply_filters( 'widget_title', empty( $instance['title'] ) ? $this->format_strings[ $format ] : $instance['title'], $instance, $this->id_base );
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$ephemera = new WP_Query( array(
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'order' => 'DESC',
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'posts_per_page' => $number,
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'no_found_rows' => true,
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'post_status' => 'publish',
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'post__not_in' => get_option( 'sticky_posts' ),
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'tax_query' => array(
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array(
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'taxonomy' => 'post_format',
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'terms' => array( "post-format-$format" ),
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'field' => 'slug',
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'operator' => 'IN',
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),
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),
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) );
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if ( $ephemera->have_posts() ) :
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$tmp_content_width = $GLOBALS['content_width'];
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$GLOBALS['content_width'] = 306;
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echo $before_widget;
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?>
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<h1 class="widget-title <?php echo esc_attr( $format ); ?>">
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<a class="entry-format" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php echo $title; ?></a>
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</h1>
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<ol>
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<?php while ( $ephemera->have_posts() ) : $ephemera->the_post(); ?>
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<li>
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<article <?php post_class(); ?>>
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<div class="entry-content">
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<?php
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if ( has_post_format( 'gallery' ) ) :
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if ( post_password_required() ) :
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the_content( __( 'Continue reading <span class="meta-nav">→</span>', 'twentyfourteen' ) );
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else :
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$images = array();
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if ( function_exists( 'get_post_galleries' ) ) {
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$galleries = get_post_galleries( get_the_ID(), false );
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if ( isset( $galleries[0]['ids'] ) )
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$images = explode( ',', $galleries[0]['ids'] );
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} else {
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$pattern = get_shortcode_regex();
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preg_match( "/$pattern/s", get_the_content(), $match );
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$atts = shortcode_parse_atts( $match[3] );
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if ( isset( $atts['ids'] ) )
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$images = explode( ',', $atts['ids'] );
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}
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if ( ! $images ) :
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$images = get_posts( array(
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'fields' => 'ids',
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'numberposts' => 999,
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'order' => 'ASC',
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'orderby' => 'menu_order',
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'post_mime_type' => 'image',
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'post_parent' => get_the_ID(),
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'post_type' => 'attachment',
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) );
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endif;
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$total_images = count( $images );
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if ( has_post_thumbnail() ) :
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$post_thumbnail = get_the_post_thumbnail( get_the_ID(), 'post-thumbnail' );
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elseif ( $total_images > 0 ) :
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$image = array_shift( $images );
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$post_thumbnail = wp_get_attachment_image( $image, 'post-thumbnail' );
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endif;
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if ( ! empty ( $post_thumbnail ) ) :
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?>
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<a href="<?php the_permalink(); ?>"><?php echo $post_thumbnail; ?></a>
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<?php
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endif;
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?>
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<p class="wp-caption-text">
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<?php
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printf( _n( 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photo</a>.', 'This gallery contains <a href="%1$s" rel="bookmark">%2$s photos</a>.', $total_images, 'twentyfourteen' ),
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esc_url( get_permalink() ),
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number_format_i18n( $total_images )
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);
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?>
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</p>
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<?php
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endif;
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else :
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the_content( __( 'Continue reading <span class="meta-nav">→</span>', 'twentyfourteen' ) );
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endif;
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?>
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</div><!-- .entry-content -->
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<header class="entry-header">
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<div class="entry-meta">
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<?php
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if ( ! has_post_format( 'link' ) ) :
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the_title( '<h1 class="entry-title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h1>' );
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endif;
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printf( __( '<span class="entry-date"><a href="%1$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' ),
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esc_url( get_permalink() ),
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esc_attr( get_the_date( 'c' ) ),
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esc_html( get_the_date() ),
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esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
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get_the_author()
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);
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if ( ! post_password_required() && ( comments_open() || get_comments_number() ) ) :
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?>
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<span class="comments-link"><?php comments_popup_link( __( 'Leave a comment', 'twentyfourteen' ), __( '1 Comment', 'twentyfourteen' ), __( '% Comments', 'twentyfourteen' ) ); ?></span>
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<?php endif; ?>
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</div><!-- .entry-meta -->
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</header><!-- .entry-header -->
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</article><!-- #post-## -->
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</li>
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<?php endwhile; ?>
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</ol>
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<a class="post-format-archive-link" href="<?php echo esc_url( get_post_format_link( $format ) ); ?>"><?php printf( __( 'More %s <span class="meta-nav">→</span>', 'twentyfourteen' ), $this->format_strings[ $format ] ); ?></a>
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<?php
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echo $after_widget;
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// Reset the post globals as this query will have stomped on it.
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wp_reset_postdata();
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$GLOBALS['content_width'] = $tmp_content_width;
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endif; // End check for ephemeral posts.
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set_transient( $this->id, ob_get_flush() );
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}
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/**
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* Deal with the settings when they are saved by the admin. Here is where
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* any validation should happen.
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*
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* @since Twenty Fourteen 1.0
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*
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* @param array $new_instance
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* @param array $instance
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* @return array
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*/
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function update( $new_instance, $instance ) {
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$instance['title'] = strip_tags( $new_instance['title'] );
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$instance['number'] = empty( $new_instance['number'] ) ? 2 : absint( $new_instance['number'] );
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if ( in_array( $new_instance['format'], $this->formats ) )
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$instance['format'] = $new_instance['format'];
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$this->flush_widget_cache();
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return $instance;
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}
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/**
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* Delete the transient.
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*
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* @since Twenty Fourteen 1.0
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*
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* @return void
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*/
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function flush_widget_cache() {
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delete_transient( $this->id );
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}
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/**
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* Display the form for this widget on the Widgets page of the Admin area.
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*
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* @since Twenty Fourteen 1.0
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*
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* @param array $instance
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* @return void
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*/
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function form( $instance ) {
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$title = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
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$number = empty( $instance['number'] ) ? 2 : absint( $instance['number'] );
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$format = isset( $instance['format'] ) && in_array( $instance['format'], $this->formats ) ? $instance['format'] : 'aside';
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?>
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<p><label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:', 'twentyfourteen' ); ?></label>
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<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>
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<p><label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php _e( 'Number of posts to show:', 'twentyfourteen' ); ?></label>
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<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>
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<p><label for="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>"><?php _e( 'Post format to show:', 'twentyfourteen' ); ?></label>
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<select id="<?php echo esc_attr( $this->get_field_id( 'format' ) ); ?>" class="widefat" name="<?php echo esc_attr( $this->get_field_name( 'format' ) ); ?>">
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<?php foreach ( $this->formats as $slug ) : ?>
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<option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $format, $slug ); ?>><?php echo get_post_format_string( $slug ); ?></option>
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<?php endforeach; ?>
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</select>
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<?php
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}
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}
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