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<?php
/**
* Handles logic for the site Header / Footer.
*
* @package BB_PowerPack
* @since 2.6.10
*/
/**
* Exit if accessed directly.
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* BB_PowerPack_Header_Footer
*/
final class BB_PowerPack_Header_Footer {
/**
* Settings tab constant.
*/
const SETTINGS_TAB = 'header_footer';
/**
* Holds an array of posts.
*
* @var array $templates
* @since 2.7.1
*/
static private $templates = array();
/**
* Holds the post ID for header.
*
* @var int $header
* @since 2.7.1
*/
static public $header;
/**
* Holds the post ID for footer.
*
* @var int $footer
* @since 2.7.1
*/
static public $footer;
/**
* Holds boolean.
*
* @var int $render_css
* @since 2.22.2
*/
static public $render_css = false;
/**
* Holds boolean.
*
* @var int $render_js
* @since 2.22.2
*/
static public $render_js = false;
/**
* Initialize hooks.
*
* @since 2.7.1
* @return void
*/
static public function init() {
add_filter( 'pp_admin_settings_tabs', __CLASS__ . '::render_settings_tab', 10, 1 );
add_action( 'pp_admin_settings_save', __CLASS__ . '::save_settings' );
add_action( 'after_setup_theme', __CLASS__ . '::load' );
add_filter( 'fl_builder_render_css', __CLASS__ . '::render_css' );
add_filter( 'fl_builder_render_js', __CLASS__ . '::render_js' );
add_action( 'template_redirect', __CLASS__ . '::disable_content_rendering' );
}
/**
* Render settings tab.
*
* Adds Header/Footer tab in PowerPack admin settings.
*
* @since 2.7.1
* @param array $tabs Array of existing settings tabs.
*/
static public function render_settings_tab( $tabs ) {
$tabs[ self::SETTINGS_TAB ] = array(
'title' => esc_html__( 'Header / Footer', 'bb-powerpack' ),
'show' => ! is_network_admin() && ! BB_PowerPack_Admin_Settings::get_option( 'ppwl_hide_header_footer_tab' ),
'cap' => ! is_network_admin() ? 'manage_options' : 'manage_network_plugins',
'file' => BB_POWERPACK_DIR . 'includes/admin-settings-header-footer.php',
'priority' => 325,
);
return $tabs;
}
/**
* Save settings.
*
* Saves setting fields value in options.
*
* @since 2.7.1
*/
static public function save_settings() {
if ( ! isset( $_POST['bb_powerpack_header_footer_page'] ) ) {
return;
}
$header = isset( $_POST['bb_powerpack_header_footer_template_header'] ) ? sanitize_text_field( wp_unslash( $_POST['bb_powerpack_header_footer_template_header'] ) ) : '';
$footer = isset( $_POST['bb_powerpack_header_footer_template_footer'] ) ? sanitize_text_field( wp_unslash( $_POST['bb_powerpack_header_footer_template_footer'] ) ) : '';
update_option( 'bb_powerpack_header_footer_template_header', $header );
update_option( 'bb_powerpack_header_footer_template_footer', $footer );
if ( isset( $_POST['bb_powerpack_header_footer_fixed_header'] ) ) {
update_option( 'bb_powerpack_header_footer_fixed_header', 1 );
} else {
delete_option( 'bb_powerpack_header_footer_fixed_header' );
}
if ( isset( $_POST['bb_powerpack_header_footer_fixed_header_devices'] ) ) {
update_option( 'bb_powerpack_header_footer_fixed_header_devices', wp_unslash( $_POST['bb_powerpack_header_footer_fixed_header_devices'] ) );
} else {
update_option( 'bb_powerpack_header_footer_fixed_header_devices', array() );
}
if ( isset( $_POST['bb_powerpack_header_footer_shrink_header'] ) ) {
update_option( 'bb_powerpack_header_footer_shrink_header', 1 );
} else {
delete_option( 'bb_powerpack_header_footer_shrink_header' );
}
if ( isset( $_POST['bb_powerpack_header_footer_overlay_header'] ) ) {
update_option( 'bb_powerpack_header_footer_overlay_header', 1 );
} else {
delete_option( 'bb_powerpack_header_footer_overlay_header' );
}
if ( isset( $_POST['bb_powerpack_header_footer_overlay_header_bg'] ) ) {
update_option( 'bb_powerpack_header_footer_overlay_header_bg', sanitize_text_field( wp_unslash( $_POST['bb_powerpack_header_footer_overlay_header_bg'] ) ) );
}
// Clear BB's assets cache.
// if ( class_exists( 'FLBuilderModel' ) && method_exists( 'FLBuilderModel', 'delete_asset_cache_for_all_posts' ) ) {
// FLBuilderModel::delete_asset_cache_for_all_posts();
// }
}
/**
* Get templates.
*
* Get all pages and BB's templates.
*
* @since 2.7.1
*/
static public function get_templates() {
if ( ! empty( self::$templates ) ) {
return self::$templates;
}
$args = array(
'post_type' => 'page',
'post_status' => 'publish',
'orderby' => 'title',
'order' => 'ASC',
'posts_per_page' => '-1',
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
);
$pages = get_posts( $args );
$args['post_type'] = 'fl-builder-template';
$args['tax_query'] = array(
array(
'taxonomy' => 'fl-builder-template-type',
'field' => 'slug',
'terms' => array(
'layout',
'row',
),
),
);
$templates = get_posts( $args );
self::$templates = array(
'templates' => $templates,
'pages' => $pages,
);
return self::$templates;
}
/**
* Get templates HTML.
*
* Get all pages and BB's templates and build options for select field.
*
* @since 2.7.1
* @param string $selected Selected template for the field.
*/
static public function get_templates_html( $selected = '' ) {
$templates = self::get_templates();
$options = '<option value="">' . esc_html__( 'Default', 'bb-powerpack' ) . '</option>';
foreach ( $templates as $type => $data ) {
if ( ! count( $data ) ) {
continue;
}
$label = '';
if ( 'pages' === $type ) {
$label = esc_html__( 'Pages', 'bb-powerpack' );
}
if ( 'templates' === $type ) {
$label = esc_html__( 'Builder Templates', 'bb-powerpack' );
}
$options .= '<optgroup label="' . $label . '">';
if ( ! empty( $data ) ) {
foreach ( $data as $post ) {
$options .= '<option value="' . $post->ID . '" ' . selected( $selected, $post->ID, false ) . '>' . $post->post_title . '</option>';
}
} else {
$options .= '<option value="" disabled>' . __( 'Not found', 'bb-powerpack' ) . '</option>';
}
$options .= '</optgroup>';
}
return $options;
}
/**
* Returns the slug for supported theme.
*
* @since 2.7.1
* @return mixed
*/
static public function get_theme_support_slug() {
$slug = false;
if ( defined( 'FL_THEME_VERSION' ) ) {
$slug = 'bb-theme';
} elseif ( defined( 'ASTRA_THEME_VERSION' ) ) {
$slug = 'astra';
} elseif ( function_exists( 'genesis' ) ) {
$slug = 'genesis';
} elseif ( defined( 'GENERATE_VERSION' ) ) {
$slug = 'generatepress';
} elseif ( function_exists( 'storefront_is_woocommerce_activated' ) ) {
$slug = 'storefront';
} elseif ( get_theme_support( 'pp-header-footer' ) ) {
$slug = 'custom';
}
return apply_filters( 'pp_header_footer_theme_slug', $slug );
}
/**
* Loads theme support if we have a supported theme.
*
* @since 2.7.1
* @return void
*/
static public function load() {
self::$header = get_option( 'bb_powerpack_header_footer_template_header' );
self::$footer = get_option( 'bb_powerpack_header_footer_template_footer' );
// Remove option if header template has deleted.
if ( ! empty( self::$header ) && 'publish' != get_post_status( self::$header ) ) {
delete_option( 'bb_powerpack_header_footer_template_header' );
}
// Remove option if footer template has deleted.
if ( ! empty( self::$footer ) && 'publish' != get_post_status( self::$footer ) ) {
delete_option( 'bb_powerpack_header_footer_template_footer' );
}
if ( empty( self::$header ) && empty( self::$footer ) ) {
return;
}
$slug = self::get_theme_support_slug();
add_filter( 'body_class', __CLASS__ . '::body_class' );
if ( $slug && is_callable( 'FLBuilder::render_content_by_id' ) ) {
/**
* Hook to support additional themes or perform any actions.
*
* @since 2.15.2
*
* @param string $slug Current theme slug or custom.
*/
do_action( 'pp_header_footer_before_setup', $slug );
$file = BB_POWERPACK_DIR . "classes/theme-support/class-pp-theme-support-$slug.php";
if ( file_exists( $file ) ) {
require_once $file;
}
/**
* Hook to support additional themes or perform any actions.
*
* @since 2.9.0
*
* @param string $slug Current theme slug or custom.
*/
do_action( 'pp_header_footer_after_setup', $slug );
}
}
/**
* Renders the CSS for header/footer and adds
* it to the cached builder CSS layout file.
*
* @param string $css CSS of nodes.
* @since 2.7.1
* @return string
*/
static public function render_css( $css ) {
if ( ! is_callable( 'FLBuilderModel::get_post_id' ) || empty( self::$header ) || self::$render_css ) {
return $css;
}
$id = self::get_wpml_element_id( self::$header );
if ( $id ) {
$css .= file_get_contents( BB_POWERPACK_DIR . 'assets/css/header-layout.css' );
self::$render_css = true;
}
return $css;
}
/**
* Renders the JS for header/footer and adds
* it to the cached builder JS layout file.
*
* @param string $js JS of nodes.
* @since 2.7.1
* @return string
*/
static public function render_js( $js ) {
if ( ! is_callable( 'FLBuilderModel::get_post_id' ) || empty( self::$header ) || self::$render_js ) {
return $js;
}
$id = self::get_wpml_element_id( self::$header );
if ( $id ) {
$js .= file_get_contents( BB_POWERPACK_DIR . 'assets/js/header-layout.js' );
self::$render_js = true;
}
return $js;
}
/**
* Enqueue the styles and scripts for a single layout
* using the provided post ID.
*
* @since 2.22.2
* @param int $post_id
* @return void
*/
static public function enqueue_layout_styles_scripts_by_id( $post_id ) {
if ( is_callable( 'FLBuilder::enqueue_layout_styles_scripts' ) && FLBuilderModel::is_builder_active() ) {
FLBuilderModel::set_post_id( $post_id );
FLBuilder::enqueue_layout_styles_scripts( true );
FLBuilderModel::reset_post_id();
} else {
if ( ( defined( 'FL_BUILDER_VERSION' ) && version_compare( FL_BUILDER_VERSION, '2.5.2.3', '<' ) ) || FLBuilderModel::is_builder_active() ) {
// Ensure global assets are rendered.
if ( is_callable( 'FLBuilder::clear_enqueued_global_assets' ) ) {
FLBuilder::clear_enqueued_global_assets();
}
}
if ( is_callable( 'FLBuilder::enqueue_layout_styles_scripts_by_id' ) ) {
FLBuilder::enqueue_layout_styles_scripts_by_id( $post_id );
}
}
}
/**
* Renders the header for the current page.
* Used by theme support classes.
*
* @param mixed $tag HTML tag for header.
* @since 2.7.1
* @return void
*/
static public function render_header( $tag = null ) {
$tag = ! $tag ? 'header' : $tag;
$id = self::$header;
$id = self::get_wpml_element_id( $id );
$is_fixed = get_option( 'bb_powerpack_header_footer_fixed_header' );
$devices = get_option( 'bb_powerpack_header_footer_fixed_header_devices' );
$is_shrink = get_option( 'bb_powerpack_header_footer_shrink_header' );
$is_overlay = get_option( 'bb_powerpack_header_footer_overlay_header' );
$overlay_bg = get_option( 'bb_powerpack_header_footer_overlay_header_bg', 'default' );
do_action( 'pp_header_footer_before_render_header', $id );
$inline_assets = pp_is_bb_rendering_assets_inline();
if ( ! $inline_assets && ! FLBuilderModel::is_builder_active() ) {
add_filter( 'fl_builder_render_assets_inline', '__return_true' );
}
// Enqueue jQuery throttle.
wp_enqueue_script( 'jquery-throttle' );
// Enqueue imagesloaded.
wp_enqueue_script( 'imagesloaded' );
// Enqueue styles and scripts for this post.
self::enqueue_layout_styles_scripts_by_id( $id );
// Print the styles if we are outside of the head tag.
if ( did_action( 'wp_enqueue_scripts' ) && ! doing_filter( 'wp_enqueue_scripts' ) ) {
wp_print_styles();
}
if ( ! is_array( $devices ) ) {
$devices = array();
}
FLBuilder::render_content_by_id( $id, $tag, array(
'itemscope' => 'itemscope',
'itemtype' => 'http://schema.org/WPHeader',
'data-type' => 'header',
'data-sticky' => $is_fixed ? '1' : '0',
'data-sticky-devices' => implode( ',', $devices ),
'data-shrink' => $is_shrink ? '1' : '0',
'data-overlay' => $is_overlay ? '1' : '0',
'data-overlay-bg' => $overlay_bg,
) );
if ( ! $inline_assets && ! FLBuilderModel::is_builder_active() ) {
add_filter( 'fl_builder_render_assets_inline', '__return_false' );
}
do_action( 'pp_header_footer_after_render_header', $id );
}
/**
* Renders the footer for the current page.
* Used by theme support classes.
*
* @param mixed $tag HTML tag for footer.
* @since 2.7.1
* @return void
*/
static public function render_footer( $tag = null ) {
$tag = ! $tag ? 'footer' : $tag;
$id = self::$footer;
$id = self::get_wpml_element_id( $id );
do_action( 'pp_header_footer_before_render_footer', $id );
$inline_assets = pp_is_bb_rendering_assets_inline();
if ( ! $inline_assets && ! FLBuilderModel::is_builder_active() ) {
add_filter( 'fl_builder_render_assets_inline', '__return_true' );
}
if ( ( defined( 'FL_BUILDER_VERSION' ) && version_compare( FL_BUILDER_VERSION, '2.5.2.3', '<' ) ) || FLBuilderModel::is_builder_active() ) {
// Ensure global assets are rendered.
if ( is_callable( 'FLBuilder::clear_enqueued_global_assets' ) ) {
FLBuilder::clear_enqueued_global_assets();
}
}
// Enqueue styles and scripts for this post.
self::enqueue_layout_styles_scripts_by_id( $id );
// Print the styles if we are outside of the head tag.
if ( did_action( 'wp_enqueue_scripts' ) && ! doing_filter( 'wp_enqueue_scripts' ) ) {
wp_print_styles();
}
FLBuilder::render_content_by_id( $id, $tag, array(
'itemscope' => 'itemscope',
'itemtype' => 'http://schema.org/WPFooter',
'data-type' => 'footer',
) );
if ( ! $inline_assets && ! FLBuilderModel::is_builder_active() ) {
add_filter( 'fl_builder_render_assets_inline', '__return_false' );
}
do_action( 'pp_header_footer_after_render_footer', $id );
}
/**
* Disables builder content rendering for headers
* and footers since those are edited in place.
*
* @since 2.7.1
* @return void
*/
static public function disable_content_rendering() {
global $post;
// Additional check for empty post ID to avoid breaking the content
// of other plugins which use template_redirect hook and query_posts
// to render their content.
if ( is_a( $post, 'WP_Post' ) && ! empty( $post->ID ) ) {
$header = get_option( 'bb_powerpack_header_footer_template_header' );
$footer = get_option( 'bb_powerpack_header_footer_template_footer' );
$has_header = $post->ID == $header;
$has_footer = $post->ID == $footer;
if ( $has_header || $has_footer ) {
remove_filter( 'the_content', 'FLBuilder::render_content' );
add_filter( 'the_content', __CLASS__ . '::override_the_content' );
}
}
}
/**
* Overrides the default editor content for headers
* and footers since those are edited in place.
*
* @param string $content Post content.
* @since 2.7.1
* @return string
*/
static public function override_the_content( $content ) {
return '<div style="padding: 200px 100px; text-align:center; opacity:0.5;">' . __( 'Content Area', 'bb-powerpack' ) . '</div>';
}
/**
* Get the ID of WPML translated post.
*
* @param string $id Original Post ID.
* @since 2.7.1
* @return string
*/
static public function get_wpml_element_id( $id ) {
if ( class_exists( 'sitepress' ) && class_exists( 'WPML_Post_Element' ) ) {
global $sitepress;
$current_lang = $sitepress->get_current_language();
$wpml_post = new WPML_Post_Element( $id, $sitepress );
$wpml_post_lang = $wpml_post->get_language_code();
if ( $current_lang !== $wpml_post_lang && ! is_null( $wpml_post_lang ) ) {
$type = $wpml_post->get_wpml_element_type();
$trid = $sitepress->get_element_trid( $id, $type );
$translations = $sitepress->get_element_translations( $trid, $type );
if ( is_array( $translations ) && ! empty( $translations ) && isset( $translations[ $current_lang ] ) && isset( $translations[ $current_lang ]->element_id ) ) {
$id = $translations[ $current_lang ]->element_id;
}
}
}
return $id;
}
/**
* Add CSS classes to the body tag.
*
* Fired by `body_class` filter.
*
* @since 2.7.1
*
* @param array $classes An array of body classes.
*
* @return array An array of body classes.
*/
static public function body_class( $classes ) {
$classes[] = 'bb-powerpack-header-footer';
if ( FLBuilderModel::is_builder_active() ) {
$post_id = FLBuilderModel::get_post_id();
if ( self::$header == $post_id ) {
$classes[] = 'bb-powerpack-header-edit';
}
if ( self::$footer == $post_id ) {
$classes[] = 'bb-powerpack-footer-edit';
}
}
return $classes;
}
}
// Initialize the class.
BB_PowerPack_Header_Footer::init();