mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-06-05 15:08:20 +09:00
Robin Cornett
239 lines
7.9 KiB
PHP
239 lines
7.9 KiB
PHP
<?php
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/**
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* settings for taxonomy pages
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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 https://robincornett.com
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* @copyright 2014-2016 Robin Cornett Creative, LLC
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*
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* @since 2.0.0
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*/
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class Display_Featured_Image_Genesis_Taxonomies extends Display_Featured_Image_Genesis_Helper {
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protected $settings;
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/**
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* set up all actions for adding featured images to taxonomies
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* @since 2.0.0
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*/
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public function set_taxonomy_meta() {
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register_meta( 'term', 'displayfeaturedimagegenesis', array( $this, 'validate_taxonomy_image' ) );
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$args = array(
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'public' => true,
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);
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$output = 'names';
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$taxonomies = get_taxonomies( $args, $output );
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foreach ( $taxonomies as $taxonomy ) {
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add_action( "{$taxonomy}_add_form_fields", array( $this, 'add_taxonomy_meta_fields' ), 5, 2 );
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add_action( "{$taxonomy}_edit_form_fields", array( $this, 'edit_taxonomy_meta_fields' ), 5, 2 );
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add_action( "edited_{$taxonomy}", array( $this, 'save_taxonomy_custom_meta' ) );
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add_action( "create_{$taxonomy}", array( $this, 'save_taxonomy_custom_meta' ) );
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add_action( "edit_{$taxonomy}", array( $this, 'save_taxonomy_custom_meta' ) );
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add_action( 'load-edit-tags.php', array( $this, 'help' ) );
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}
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add_action( 'split_shared_term', array( $this, 'split_shared_term' ) );
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}
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/**
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* add featured image uploader to new term add
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*/
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public function add_taxonomy_meta_fields() {
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?>
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<div class="form-field term-image-wrap">
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<?php wp_nonce_field( 'displayfeaturedimagegenesis', 'displayfeaturedimagegenesis' ); ?>
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<label for="displayfeaturedimagegenesis[term_image]"><?php esc_attr_e( 'Featured Image', 'display-featured-image-genesis' ); ?></label>
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<input type="hidden" class="upload_image_id" id="term_image_id" name="displayfeaturedimagegenesis[term_image]" />
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<input id="upload_default_image" type="button" class="upload_default_image button-secondary" value="<?php esc_attr_e( 'Select Image', 'display-featured-image-genesis' ); ?>" />
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<input type="button" class="delete_image button-secondary" value="<?php esc_attr_e( 'Delete Image', 'display-featured-image-genesis' ); ?>" />
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<p class="description"><?php esc_attr_e( 'Set Featured Image for new term.', 'display-featured-image-genesis' ); ?></p>
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</div>
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<?php
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}
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/**
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* upload/preview featured image for term. edit term page
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* @param object $term featured image input/display for individual term page
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*
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* @since 2.0.0
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*/
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public function edit_taxonomy_meta_fields( $term ) {
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$term_id = $term->term_id;
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$image_id = displayfeaturedimagegenesis_get_term_image( $term_id );
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echo '<tr class="form-field term-image-wrap">';
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printf( '<th scope="row" valign="top"><label for="displayfeaturedimagegenesis[term_image]">%s</label></th>',
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esc_attr__( 'Featured Image', 'display-featured-image-genesis' )
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);
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echo '<td>';
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$name = 'displayfeaturedimagegenesis[term_image]';
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if ( $image_id ) {
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echo wp_kses_post( $this->render_image_preview( $image_id, $term->name ) );
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}
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$this->render_buttons( $image_id, $name );
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echo '<p class="description">';
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printf(
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esc_attr__( 'Set Featured Image for %1$s.', 'display-featured-image-genesis' ),
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esc_attr( $term->name )
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);
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echo '</p>';
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echo '</td>';
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echo '</tr>';
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}
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/**
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* Save extra taxonomy fields callback function.
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* @param term id $term_id the id of the term
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* @return updated option updated option for term featured image
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*
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* @since 2.0.0
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*/
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public function save_taxonomy_custom_meta( $term_id ) {
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if ( ! isset( $_POST['displayfeaturedimagegenesis'] ) ) {
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return;
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}
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$input = $_POST['displayfeaturedimagegenesis'];
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$displaysetting = get_option( "displayfeaturedimagegenesis_$term_id", false );
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$action = function_exists( 'get_term_meta' ) ? 'update_term_meta' : 'update_options_meta';
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$this->$action( $term_id, $input, $displaysetting );
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}
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/**
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* update/delete term meta
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* @param int $term_id term id
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* @param array $displaysetting old option, if it exists
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* @return term_meta
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*
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* @since 2.4.0
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*/
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protected function update_term_meta( $term_id, $input, $displaysetting ) {
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$new_image = $this->validate_taxonomy_image( $input['term_image'] );
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if ( null === $new_image ) {
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// if the new image is empty, delete term_meta and old option
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delete_term_meta( $term_id, 'displayfeaturedimagegenesis' );
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delete_option( "displayfeaturedimagegenesis_$term_id" );
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} elseif ( false !== $new_image ) {
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// if the new image is different from the existing term meta
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$current_setting = get_term_meta( $term_id, 'displayfeaturedimagegenesis' );
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if ( $current_setting !== $new_image ) {
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update_term_meta( $term_id, 'displayfeaturedimagegenesis', (int) $new_image );
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}
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// if there is a valid image, and the old setting exists
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if ( $displaysetting ) {
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delete_option( "displayfeaturedimagegenesis_$term_id" );
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}
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}
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}
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/**
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* update term option (for sites running WP below 4.4)
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* @param int $term_id term id
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* @param array $displaysetting previous option, if it exists
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* @return array updated option
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*
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* @since 2.4.0
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*/
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protected function update_options_meta( $term_id, $input, $displaysetting ) {
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$cat_keys = array_keys( $input );
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$is_updated = false;
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foreach ( $cat_keys as $key ) {
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if ( isset( $input[ $key ] ) ) {
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$displaysetting[ $key ] = $input[ $key ];
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if ( $input['term_image'] !== $displaysetting[ $key ] ) {
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break;
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}
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$displaysetting[ $key ] = $this->validate_taxonomy_image( $input[ $key ] );
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if ( null === $displaysetting[ $key ] ) {
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delete_option( "displayfeaturedimagegenesis_$term_id" );
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} elseif ( false !== $displaysetting[ $key ] ) {
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$is_updated = true;
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}
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}
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}
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// Save the option array.
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if ( $is_updated ) {
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update_option( "displayfeaturedimagegenesis_$term_id", $displaysetting );
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}
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}
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/**
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* Returns false value for image if not correct file type/size
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* @param string $new_value New value
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* @return string New value or false, depending on allowed image size.
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* @since 2.0.0
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*/
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protected function validate_taxonomy_image( $new_value ) {
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if ( ! $new_value ) {
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return null;
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}
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$medium = get_option( 'medium_size_w' );
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$source = wp_get_attachment_image_src( $new_value, 'full' );
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$valid = $this->is_valid_img_ext( $source[0] );
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$width = $source[1];
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if ( $valid && $width > $medium ) {
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return (int) $new_value;
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}
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return false;
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}
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/**
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* Help tab for media screen
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* @return help tab with verbose information for plugin
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*
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* @since 2.0.0
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*/
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public function help() {
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$screen = get_current_screen();
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$term_help = '<h3>' . __( 'Set Featured Image', 'display-featured-image-genesis' ) . '</h3>';
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$term_help .= '<p>' . __( 'You may set a featured image for your terms. This image will be used on the term archive page, and as a fallback image on a single post page if it does not have a featured image of its own.', 'display-featured-image-genesis' ) . '</p>';
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$screen->add_help_tab( array(
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'id' => 'displayfeaturedimage_term-help',
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'title' => __( 'Featured Image', 'display-featured-image-genesis' ),
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'content' => $term_help,
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) );
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}
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/**
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* Create new term meta record for split terms.
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*
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* When WordPress splits terms, ensure that the term meta gets preserved for the newly created term.
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*
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* @since 2.3.0
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*
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* @param integer @old_term_id The ID of the term being split.
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* @param integer @new_term_id The ID of the newly created term.
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*
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*/
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public function split_shared_term( $old_term_id, $new_term_id ) {
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$old_setting = get_option( "displayfeaturedimagegenesis_$old_term_id" );
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$new_setting = get_option( "displayfeaturedimagegenesis_$new_term_id" );
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if ( ! isset( $old_setting ) ) {
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return;
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}
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$new_setting = $old_setting;
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update_option( "displayfeaturedimagegenesis_$new_term_id", $new_setting );
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}
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}
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