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<?php
/**
* Base meta box class.
*
* @package zakra
*/
defined( 'ABSPATH' ) || exit;
/**
* Class Zakra_Meta_Box
*/
class Zakra_Meta_Box {
/**
* Keep record if meta box is saved once.
*
* @var boolean
*/
private static $saved_meta_boxes = false;
/**
* Hook into the appropriate actions when the class is constructed.
*/
public function __construct() {
if ( $this->is_classic_editor_active() ) {
add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );
add_action( 'admin_print_styles-post-new.php', array( $this, 'enqueue' ) );
add_action( 'admin_print_styles-post.php', array( $this, 'enqueue' ) );
add_action( 'save_post', array( $this, 'save_meta_boxes' ), 1, 2 );
} else {
$this->register_meta_fields();
}
add_action(
'enqueue_block_editor_assets',
function () {
$meta_asset_file = get_template_directory() . '/assets/build/meta.asset.php';
if ( get_current_screen()->id === 'customize' ) {
return;
}
if ( file_exists( $meta_asset_file ) ) {
$meta_asset = require $meta_asset_file;
wp_enqueue_script( 'zakra-meta', get_template_directory_uri() . '/assets/build/meta.js', $meta_asset['dependencies'], $meta_asset['version'], true );
wp_enqueue_style( 'zakra-meta', get_template_directory_uri() . '/assets/build/meta.css', array(), time() );
}
}
);
// Save Page Settings Meta Boxes.
add_action( 'zakra_process_page_settings_meta', 'Zakra_Meta_Box_Page_Settings::save', 10, 2 );
}
private function is_classic_editor_active() {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
if ( is_plugin_active( 'classic-editor/classic-editor.php' ) ) {
return true;
}
if ( ! apply_filters( 'use_block_editor_for_post', true, get_post() ) ) {
return true;
}
return false;
}
private function register_meta_fields() {
register_post_meta(
'',
'zakra_sidebar_layout',
array(
'show_in_rest' => true,
'single' => true,
'default' => 'customizer',
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_remove_content_margin',
array(
'show_in_rest' => true,
'single' => true,
'default' => 0,
'type' => 'boolean',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_sidebar',
array(
'show_in_rest' => true,
'single' => true,
'default' => 'customizer',
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_transparent_header',
array(
'show_in_rest' => true,
'single' => true,
'default' => 'customizer',
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_logo',
array(
'show_in_rest' => true,
'single' => true,
'default' => 0,
'type' => 'integer',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_main_header_style',
array(
'show_in_rest' => true,
'single' => true,
'default' => 'default',
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_menu_item_color',
array(
'show_in_rest' => true,
'single' => true,
'default' => get_theme_mod( 'zakra_menu_item_color', '' ),
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_menu_item_hover_color',
array(
'show_in_rest' => true,
'single' => true,
'default' => get_theme_mod( 'zakra_menu_item_hover_color', '' ),
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_menu_item_active_color',
array(
'show_in_rest' => true,
'single' => true,
'default' => get_theme_mod( 'zakra_menu_item_active_color', '' ),
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_menu_active_style',
array(
'show_in_rest' => true,
'single' => true,
'default' => '',
'type' => 'string',
'auth_callback' => '__return_true',
)
);
register_post_meta(
'',
'zakra_page_header',
array(
'show_in_rest' => true,
'single' => true,
'default' => 1,
'type' => 'boolean',
'auth_callback' => '__return_true',
)
);
}
/**
* Adds the meta box container.
*/
public function add_meta_boxes() {
add_meta_box(
'zakra-page-setting',
esc_html__( 'Page Settings', 'zakra' ),
'Zakra_Meta_Box_Page_Settings::render',
array(
'post',
'page',
)
);
}
/**
* Enqueue scripts.
*/
public function enqueue() {
wp_enqueue_script( 'jquery-ui-tabs' );
wp_enqueue_script( 'zakra-meta-box', ZAKRA_PARENT_INC_URI . '/meta-boxes/assets/js/meta-box.js', array( 'jquery-ui-tabs' ), ZAKRA_THEME_VERSION, true );
wp_enqueue_style( 'zakra-meta-box', ZAKRA_PARENT_INC_URI . '/meta-boxes/assets/css/meta-box.css', array(), ZAKRA_THEME_VERSION );
wp_enqueue_style( 'wp-color-picker' );
wp_enqueue_script( 'wp-color-picker' );
}
/**
* Handles saving the meta box.
*
* @param int $post_id Post ID.
* @param WP_Post $post Post object.
*
* @return null
*/
public function save_meta_boxes( $post_id, $post ) {
// Check the nonce.
if ( ! isset( $_POST['zakra_meta_nonce'] ) || ! wp_verify_nonce( sanitize_key( $_POST['zakra_meta_nonce'] ), 'zakra_nonce_action' ) ) {
return;
}
// $post_id and $post are required.
if ( empty( $post_id ) || empty( $post ) || self::$saved_meta_boxes ) {
return;
}
// Check for revisions or autosaves.
if ( defined( 'DOING_AUTOSAVE' ) || is_int( wp_is_post_revision( $post ) ) || is_int( wp_is_post_autosave( $post ) ) ) {
return;
}
// Check the post being saved == the $post_id to prevent triggering this call for other save_post events.
if ( empty( $_POST['post_ID'] ) || intval( $_POST['post_ID'] ) !== $post_id ) {
return;
}
// Check user's permisstion.
if ( isset( $_POST['post_type'] ) && ( 'page' === $_POST['post_type'] ) ) {
if ( ! current_user_can( 'edit_page', $post_id ) ) {
return $post_id;
}
} elseif ( ! current_user_can( 'edit_post', $post_id ) ) {
return $post_id;
}
self::$saved_meta_boxes = true;
// Trigger action.
$process_actions = array( 'page_settings' );
foreach ( $process_actions as $process_action ) {
do_action( 'zakra_process_' . $process_action . '_meta', $post_id, $post );
}
}
}
new Zakra_Meta_Box();