%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Assets
*
* @package WP Grid Builder
* @author Loïc Blascos
* @copyright 2019-2021 Loïc Blascos
*/
namespace WP_Grid_Builder\FrontEnd;
use WP_Grid_Builder\Includes\File;
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Register assets
*
* @class WP_Grid_Builder\FrontEnd\Assets
* @since 1.0.0
*/
final class Assets implements Models\Assets_Interface {
/**
* Holds grid settings
*
* @since 1.0.0
* @access private
*
* @var array
*/
private $settings = [];
/**
* Stylesheet name
*
* @since 1.0.0
* @access public
*
* @var string
*/
protected $sheet_name = '';
/**
* Holds custom Javascript
*
* @since 1.0.0
* @access public
*
* @var array
*/
protected static $javascript = [];
/**
* Holds registered grid id
*
* @since 1.0.0
* @access private
*
* @var array
*/
private static $registered = [];
/**
* Constructor
*
* @since 1.0.0
* @access public
*
* @param object Settings $settings Settings class instance.
* @param object Stylesheet $stylesheet StyleSheet class instance.
* @param object Cards $cards Cards class instance.
*/
public function __construct( Settings $settings, Stylesheet $stylesheet, Cards $cards ) {
$this->settings = $settings;
$this->stylesheet = $stylesheet;
$this->cards = $cards;
}
/**
* Check if stylesheets are already registered..
*
* @since 1.0.0
* @access public
*
* @return boolean
*/
public function is_registered() {
// ADD each registered grid id.
array_push( self::$registered, $this->settings->id );
// ADD custom JS for each grid.
array_push( self::$javascript, $this->settings->custom_js );
return count( self::$registered ) > 1;
}
/**
* Register stylesheets.
*
* @since 1.0.0
* @access public
*/
public function register() {
// Generate grid style.
$this->stylesheet->generate();
// We register only once for several grids.
if ( $this->is_registered() ) {
return;
}
add_filter( 'wp_grid_builder/frontend/register_styles', [ $this, 'register_styles' ], 0 );
add_filter( 'wp_grid_builder/frontend/add_inline_style', [ $this, 'inline_style' ] );
add_filter( 'wp_grid_builder/frontend/add_inline_script', [ $this, 'inline_script' ] );
}
/**
* Register stylesheets
*
* @since 1.0.0
* @access public
*
* @param array $styles Holds stylesheet to register.
* @return array
*/
public function register_styles( $styles ) {
$this->get_stylesheet_name();
$this->generate_stylesheet();
$styles[] = $this->get_style();
$styles[] = $this->get_fonts();
return $styles;
}
/**
* Build stylesheet name.
*
* @since 1.0.0
* @access public
*/
public function get_stylesheet_name() {
// Check if admin to prevent issue with wp_reset_postdata not working properly in admin pages.
// https://core.trac.wordpress.org/ticket/18408.
if ( is_admin() || ! empty( $this->settings->inline_style ) || ! empty( $this->settings->is_gutenberg ) ) {
return;
}
$grid_ids = implode( 'G', self::$registered );
$card_ids = array_keys( $this->cards->get() );
$card_ids = implode( 'C', $card_ids );
// Generate an unique name from combination of post, grid, and card ids.
$this->sheet_name = 'G' . $grid_ids . 'C' . $card_ids;
}
/**
* Generate stylesheet if missing
*
* @since 1.0.0
* @access public
*/
public function generate_stylesheet() {
$url = File::get_url( 'grids', $this->sheet_name . '.css' );
if ( ! empty( $url ) && ! is_admin() ) {
return;
}
if ( empty( $this->sheet_name ) ) {
return;
}
$css = $this->stylesheet->get();
$css = wp_strip_all_tags( $css );
// Unset sheet_name if an error occured when generating it to force inline style.
if ( ! File::put_contents( 'grids', $this->sheet_name . '.css', $css ) ) {
$this->sheet_name = '';
}
}
/**
* Inline style if no stylesheet generated
*
* @since 1.0.0
* @access public
*
* @param string $style Style to inline.
* @return string
*/
public function inline_style( $style ) {
if ( empty( $this->sheet_name ) ) {
$grids = $this->stylesheet->get();
$grids = wp_strip_all_tags( $grids );
// We inline first (global CSS).
$style = $grids . $style;
}
return $style;
}
/**
* Register stylesheet
*
* @since 1.0.0
* @access public
*
* @return array
*/
public function get_style() {
if ( empty( $this->sheet_name ) ) {
return [];
}
return [
'handle' => WPGB_SLUG . '-grids',
'source' => esc_url_raw( File::get_url( 'grids', $this->sheet_name . '.css' ) ),
'version' => filemtime( File::get_path( 'grids', $this->sheet_name . '.css' ) ),
];
}
/**
* Register Google Fonts
*
* @since 1.0.0
* @access public
*
* @return array
*/
public function get_fonts() {
$query = [];
$cards = $this->cards->get();
$fonts = array_column( $cards, 'fonts' );
$google = array_column( $fonts, 'google' );
if ( empty( $google ) ) {
return [];
}
// Merge all font families.
$families = call_user_func_array( 'array_merge_recursive', $google );
$families = array_map( 'array_unique', $families );
if ( empty( $families ) ) {
return [];
}
array_walk(
$families,
function( $val, $key ) use ( &$query ) {
$query[] = $key . ':' . implode( ',', $val );
}
);
$query = implode( '|', $query );
$url = add_query_arg(
[ 'family' => rawurlencode( $query ) ],
'https://fonts.googleapis.com/css'
);
return [
'handle' => WPGB_SLUG . '-fonts',
'source' => esc_url_raw( $url ),
'version' => null,
];
}
/**
* Add inline javascript code.
* Each grid has an unique instance (JS) which corresponds to the DOM order.
*
* @since 1.1.5 Added wpgb.loaded event to support defer and async scripts.
* @since 1.0.0
* @access public
*
* @param string $script Script to inline.
* @return string
*/
public function inline_script( $script ) {
$script .= 'window.addEventListener(\'wpgb.loaded\',function(){';
array_walk(
self::$javascript,
function( $custom, $instance ) use ( &$script ) {
$script .= '(function(){';
$script .= 'var wpgb=WP_Grid_Builder.instance(' . ( (int) $instance + 1 ) . ');';
$script .= 'if(!wpgb.init){return}';
// Custom JS script from user.
if ( ! empty( $custom ) ) {
$custom = wp_kses_decode_entities( $custom );
$custom = html_entity_decode( $custom );
$script .= rtrim( $custom, ';' ) . ';';
}
$script .= 'wpgb.init()';
$script .= '})();';
}
);
$script .= '});';
return apply_filters( 'wp_grid_builder/grid/inline_script', $script );
}
}
Zerion Mini Shell 1.0