mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-07-13 19:46:06 +09:00
Robin Cornett
265 lines
7.9 KiB
PHP
265 lines
7.9 KiB
PHP
<?php
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/**
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* @package DisplayFeaturedImageGenesis
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* @author Robin Cornett <hello@robincornett.com>
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* @license GPL-2.0+
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* @link http://robincornett.com
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* @copyright 2014 Robin Cornett Creative, LLC
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*/
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class Display_Featured_Image_Genesis_Output {
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/**
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* set parameters for scripts, etc. to run.
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*
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* @since 1.1.3
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*/
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public function manage_output() {
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$displaysetting = get_option( 'displayfeaturedimagegenesis' );
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$fallback = $displaysetting['default'];
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if ( is_admin() || ( empty( $fallback ) && ! is_home() && ! is_singular() ) || ( in_array( get_post_type(), Display_Featured_Image_Genesis_Common::get_skipped_posttypes() ) ) ) {
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return;
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}
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add_action( 'wp_enqueue_scripts', array( $this, 'load_scripts' ) );
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add_filter( 'body_class', array( $this, 'add_body_class' ) );
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}
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/**
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* enqueue plugin styles and scripts.
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* @return enqueue
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*
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* @since 1.0.0
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*/
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public function load_scripts() {
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$version = Display_Featured_Image_Genesis_Common::$version;
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$item = Display_Featured_Image_Genesis_Common::get_image_variables();
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//* if there is no backstretch image set, or it is too small, die
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if ( empty( $item->backstretch ) || $item->width <= $item->medium ) {
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return;
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}
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//* if the featured image is not part of the content, or we're not on a singular page, carry on
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if ( false === $item->content || ! is_singular() ) {
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wp_enqueue_style( 'displayfeaturedimage-style', plugins_url( 'includes/css/display-featured-image-genesis.css', dirname( __FILE__ ) ), array(), $version );
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//* check if the image is large enough for backstretch
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if ( $item->width > $item->large ) {
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wp_enqueue_script( 'displayfeaturedimage-backstretch', plugins_url( '/includes/js/backstretch.js', dirname( __FILE__ ) ), array( 'jquery' ), $version, true );
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wp_enqueue_script( 'displayfeaturedimage-backstretch-set', plugins_url( '/includes/js/backstretch-set.js', dirname( __FILE__ ) ), array( 'jquery', 'displayfeaturedimage-backstretch' ), $version, true );
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wp_localize_script( 'displayfeaturedimage-backstretch-set', 'BackStretchVars', array(
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'src' => esc_url( $item->backstretch[0] ),
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'height' => esc_attr( $item->reduce )
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) );
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add_action( 'genesis_after_header', array( $this, 'do_backstretch_image_title' ) );
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}
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//* otherwise it's a large image.
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elseif ( $item->width <= $item->large ) {
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add_action( 'genesis_before_loop', array( $this, 'do_large_image' ) ); // works for both HTML5 and XHTML
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}
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}
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}
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/**
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* set body class if featured images are displayed using the plugin
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* @param filter $classes body_class
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*
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* @since 1.0.0
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*/
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public function add_body_class( $classes ) {
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$item = Display_Featured_Image_Genesis_Common::get_image_variables();
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if ( empty( $item->backstretch ) || $item->width <= $item->medium ) {
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return $classes;
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}
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if ( false === $item->content || ! is_singular() ) {
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if ( $item->width > $item->large ) {
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$classes[] = 'has-leader';
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}
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elseif ( $item->width <= $item->large ) {
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$classes[] = 'large-featured';
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}
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}
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return $classes;
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}
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/**
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* backstretch image title (for images which are larger than Media Settings > Large )
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* @return image
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*
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* @since 1.0.0
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*/
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public function do_backstretch_image_title() {
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$item = Display_Featured_Image_Genesis_Common::get_image_variables();
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if ( is_singular() && ! is_front_page() && ! is_page_template( 'page_blog.php' ) ) {
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remove_action( 'genesis_entry_header', 'genesis_do_post_title' ); // HTML5
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remove_action( 'genesis_post_title', 'genesis_do_post_title' ); // XHTML
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}
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remove_action( 'genesis_before_loop', 'genesis_do_taxonomy_title_description', 15 );
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remove_action( 'genesis_before_loop', 'genesis_do_author_title_description', 15 );
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remove_action( 'genesis_before_loop', 'genesis_do_cpt_archive_title_description' );
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echo '<div class="big-leader">';
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echo '<div class="wrap">';
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$displaysetting = get_option( 'displayfeaturedimagegenesis' );
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$move_excerpts = $displaysetting['move_excerpts'];
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//* if move excerpts is enabled
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if ( $move_excerpts && ! in_array( get_post_type(), Display_Featured_Image_Genesis_Common::omit_excerpt() ) ) {
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Display_Featured_Image_Genesis_Description::do_front_blog_excerpt();
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Display_Featured_Image_Genesis_Description::do_excerpt();
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genesis_do_taxonomy_title_description();
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genesis_do_author_title_description();
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genesis_do_cpt_archive_title_description();
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}
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else {
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if ( ! empty( $item->title ) && ! is_front_page() ) {
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echo '<h1 class="entry-title featured-image-overlay">' . esc_attr( $item->title ) . '</h1>';
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}
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remove_action( 'genesis_before_loop', 'genesis_do_cpt_archive_title_description' );
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remove_action( 'genesis_before_loop', 'genesis_do_taxonomy_title_description', 15 );
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remove_action( 'genesis_before_loop', 'genesis_do_author_title_description', 15 );
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add_action( 'genesis_before_loop', array( $this, 'move_titles' ) );
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}
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//* close wrap
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echo '</div>';
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//* if javascript not enabled, do a fallback background image
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$no_js = '<noscript><div class="backstretch no-js" style="background-image: url(' . $item->backstretch[0] . '); }"></div></noscript>';
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echo $no_js;
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//* close big-leader
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echo '</div>';
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}
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/**
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* Large image, centered above content
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* @return image
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*
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* @since 1.0.0
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*/
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public function do_large_image() {
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$item = Display_Featured_Image_Genesis_Common::get_image_variables();
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$image = sprintf( '<img src="%1$s" class="aligncenter featured" alt="%2$s" title="%2$s" />',
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esc_url( $item->backstretch[0] ),
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esc_attr( $item->title )
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);
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echo $image;
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}
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/**
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* Separate archive titles from descriptions. Titles show in leader image
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* area; descriptions show before loop.
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*
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* @return descriptions
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*
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* @since 1.3.0
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*
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*/
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public function move_titles() {
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Display_Featured_Image_Genesis_Description::do_tax_description();
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Display_Featured_Image_Genesis_Description::do_author_description();
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Display_Featured_Image_Genesis_Description::do_cpt_archive_description();
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}
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/**
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* Decide whether or not to add the featured image to the feed or the feed excerpt
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*
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* @return filter the_excerpt_rss (if summaries) or the_content_feed (full text)
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* @since x.y.z
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*/
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public function maybe_do_feed() {
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$displaysetting = get_option( 'displayfeaturedimagegenesis' );
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$feed_image = $displaysetting['feed_image'];
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$rss_option = get_option( 'rss_use_excerpt' );
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if ( ! $feed_image ) {
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return;
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}
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if ( '1' === $rss_option ) {
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add_filter( 'the_excerpt_rss', array( $this, 'add_image_to_feed' ), 1000, 1 );
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}
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else {
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add_filter( 'the_content_feed', array( $this, 'add_image_to_feed' ), 15 );
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}
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}
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/**
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* add the featured image to the feed, unless it already exists
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* includes allowances for Send Images to RSS plugin, which processes before this
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*
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* @param return $content
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* @since x.y.z
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*/
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public function add_image_to_feed( $content ) {
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if ( ! has_post_thumbnail() ) {
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return $content;
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}
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$post_thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), 'original' );
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if ( class_exists( 'SendImagesRSS' ) ) {
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$post_thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), 'mailchimp' );
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}
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$image_content = strpos( $content, 'src="' . $post_thumbnail[0] );
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if ( false !== $image_content ) {
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return $content;
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}
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$rss_option = get_option( 'rss_use_excerpt' );
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$size = 'large';
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$align = '';
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$style = 'display:block;margin:10px auto;';
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$class = 'rss-featured-image';
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if ( class_exists( 'SendImagesRSS' ) ) {
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$size = 'mailchimp';
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$class = 'rss-mailchimp';
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}
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if ( '1' === $rss_option ) {
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$size = 'thumbnail';
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$align = 'left';
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$style = 'margin:0px 0px 20px 20px;';
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$class = 'rss-small';
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}
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$image = get_the_post_thumbnail( get_the_ID(), $size, array( 'align' => $align, 'style' => $style, 'class' => $class ) );
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$content = $image . $content;
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return $content;
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}
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}
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