DESKTOP-GBA0BK8\Admin
297 lines
6.8 KiB
PHP
297 lines
6.8 KiB
PHP
<?php
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/**
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* Creates a gallery metabox for WordPress
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*
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* @author Daan Vos de Wael
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* @copyright Copyright (c) 2013, Daan Vos de Wael, http://www.daanvosdewael.com
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* @license http://en.wikipedia.org/wiki/MIT_License The MIT License
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*/
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// Exit if accessed directly
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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// Start Class
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if ( ! class_exists( 'OceanWP_Gallery_Metabox' ) ) {
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class OceanWP_Gallery_Metabox {
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private $dir;
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private $post_types;
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/**
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* Initialize the class and set its properties.
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*
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* @since 1.0.0
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*/
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public function __construct() {
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// Call the register function
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add_action( 'load-post.php', array( $this, 'register' ), 95 );
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add_action( 'load-post-new.php', array( $this, 'register' ), 95 );
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}
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/**
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* Registration callback
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*
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* @since 1.1.1
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*/
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public function register() {
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// Post types to add the metabox to
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$this->post_types = apply_filters( 'ocean_gallery_metabox_post_types', array(
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'post',
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) );
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// Add metabox to corresponding post types
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foreach( $this->post_types as $key => $val ) {
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add_action( 'add_meta_boxes_'. $val, array( $this, 'add_meta' ), 20 );
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}
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// Save metabox
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add_action( 'save_post', array( $this, 'save_meta' ) );
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// Load scripts and styles.
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add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
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}
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/**
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* Adds the gallery metabox
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*
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* @since 1.0.0
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*/
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public function add_meta( $post ) {
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add_meta_box(
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'oceanwp-gallery-metabox',
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__( 'Image Gallery', 'ocean-extra' ),
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array( $this, 'render' ),
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$post->post_type,
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'normal',
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'high'
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);
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}
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/**
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* Load scripts and styles
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*
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* @since 1.1.1
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*/
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public function enqueue_scripts( $hook ) {
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// Only needed on these admin screens
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if ( $hook != 'edit.php' && $hook != 'post.php' && $hook != 'post-new.php' ) {
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return;
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}
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// Get global post
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global $post;
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// Return if post is not object
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if ( ! is_object( $post ) ) {
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return;
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}
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// Return if wrong post type
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if ( ! in_array( $post->post_type, $this->post_types ) ) {
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return;
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}
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// Enqueue the main script.
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wp_enqueue_script( 'oceanwp-gallery-js', plugins_url( '/js/gallery-metabox.min.js', __FILE__ ), array( 'jquery' ), '', true );
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// Enqueue the main style.
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wp_enqueue_style( 'oceanwp-gallery-css', plugins_url( '/css/gallery-metabox.min.css', __FILE__ ) );
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}
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/**
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* Render the gallery metabox
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*
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* @since 1.0.0
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*/
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public function render() {
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global $post; ?>
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<p class="add-oceanwp-gallery-images hide-if-no-js">
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<a class="gallery-add button-primary" href="#"><?php esc_html_e( 'Add Image(s)', 'ocean-extra' ); ?></a>
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</p>
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<div class="oceanwp-gallery-images-wrap">
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<ul id="gallery-metabox-list">
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<?php
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wp_nonce_field( 'gallery_meta_nonce', 'gallery_meta_nonce' );
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$ids = get_post_meta( $post->ID, 'ocean_gallery_id', true );
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if ( $ids ) : foreach ( $ids as $key => $value ) : $image = wp_get_attachment_image_src( $value ); ?>
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<li class="image">
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<div class="attachment-preview">
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<input type="hidden" name="ocean_gallery_id[<?php echo $key; ?>]" value="<?php echo $value; ?>">
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<div class="thumb"><img class="image-preview" src="<?php echo $image[0]; ?>"></div>
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<a class="change-image button" href="#"><?php esc_html_e( 'Change image', 'ocean-extra' ); ?></a>
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<a class="remove-image" href="#" title="<?php esc_html_e( 'Remove image', 'ocean-extra' ); ?>"><i class="dashicons dashicons-no-alt"></i></a>
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</div>
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</li>
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<?php endforeach; endif; ?>
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</ul>
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</div>
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<?php $checked = checked( get_post_meta( get_the_ID(), 'ocean_gallery_link_images', true ), 'on', false ); ?>
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<p>
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<label for="ocean_gallery_link_images">
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<input type="checkbox" id="ocean_gallery_link_images" value="on" name="ocean_gallery_link_images"<?php echo $checked; ?> /> <?php esc_html_e( 'Enable lightbox for this gallery?', 'ocean-extra' )?>
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</label>
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</p>
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<?php
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}
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/**
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* Save the gallery metabox
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*
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* @since 1.0.0
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*/
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public static function save_meta( $post_id ) {
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// Check nonce
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if ( ! isset( $_POST['gallery_meta_nonce'] )
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|| ! wp_verify_nonce( $_POST[ 'gallery_meta_nonce' ], 'gallery_meta_nonce' ) ) {
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return;
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}
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// Check auto save
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if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
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return;
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}
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// Check user permissions
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if ( ! current_user_can( 'edit_post', $post_id ) ) {
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return;
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}
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if ( isset( $_POST[ 'ocean_gallery_id' ] ) ) {
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update_post_meta( $post_id, 'ocean_gallery_id', $_POST[ 'ocean_gallery_id' ] );
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} else {
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delete_post_meta ( $post_id, 'ocean_gallery_id' );
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}
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// link to larger images
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if ( isset( $_POST[ 'ocean_gallery_link_images' ] ) ) {
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update_post_meta( $post_id, 'ocean_gallery_link_images', $_POST[ 'ocean_gallery_link_images' ] );
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} else {
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update_post_meta( $post_id, 'ocean_gallery_link_images', 'off' );
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}
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}
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}
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}
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// Class needed only in the admin
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if ( is_admin() ) {
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$oceanwp_gallery_metabox = new OceanWP_Gallery_Metabox;
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}
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/**
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* Check if the post has a gallery
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*
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* @since 1.0.0
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*/
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if ( ! function_exists( 'oceanwp_post_has_gallery' ) ) {
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function oceanwp_post_has_gallery( $post_id = '' ) {
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$post_id = $post_id ? $post_id : get_the_ID();
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if ( get_post_meta( $post_id, 'ocean_gallery_id', true ) ) {
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return true;
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}
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}
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}
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/**
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* Retrieve attachment IDs
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*
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* @since 1.0.0
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*/
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if ( ! function_exists( 'oceanwp_get_gallery_ids' ) ) {
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function oceanwp_get_gallery_ids( $post_id = '' ) {
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$post_id = $post_id ? $post_id : get_the_ID();
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$attachment_ids = get_post_meta( $post_id, 'ocean_gallery_id', true );
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if ( $attachment_ids ) {
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return $attachment_ids;
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}
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}
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}
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/**
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* Retrieve attachment data
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*
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* @since 1.0.0
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*/
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if ( ! function_exists( 'oceanwp_get_attachment' ) ) {
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function oceanwp_get_attachment( $id ) {
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$attachment = get_post( $id );
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return array(
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'alt' => get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ),
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'caption' => $attachment->post_excerpt,
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'description' => $attachment->post_content,
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'href' => get_permalink( $attachment->ID ),
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'src' => $attachment->guid,
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'title' => $attachment->post_title,
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);
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}
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}
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/**
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* Return gallery count
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*
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* @since 1.0.0
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*/
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if ( ! function_exists( 'oceanwp_gallery_count' ) ) {
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function oceanwp_gallery_count() {
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$ids = oceanwp_get_gallery_ids();
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return count( $ids );
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}
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}
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/**
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* Check if lightbox is enabled
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*
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* @since 1.0.0
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*/
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if ( ! function_exists( 'oceanwp_gallery_is_lightbox_enabled' ) ) {
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function oceanwp_gallery_is_lightbox_enabled() {
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if ( 'on' == get_post_meta( get_the_ID(), 'ocean_gallery_link_images', true ) ) {
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return true;
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}
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}
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}
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