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fonts-manager
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fonts-manager.php
<?php /** * Module allows to load Google fonts. * * Version: 1.0.1 */ // If this file is called directly, abort. if ( ! defined( 'WPINC' ) ) { die; } if ( ! class_exists( 'CX_Fonts_Manager' ) ) { /** * Google fonts loader main class */ class CX_Fonts_Manager { /** * Module arguments * * @var array */ public $args = array(); /** * Define fonts server URL * * @var string */ public $fonts_host = '//fonts.googleapis.com/css'; /** * Array of stored google fonts data * * @var array */ public $fonts_data = array(); /** * Constructor for the class */ function __construct( array $args = array() ) { if ( ! empty( $args ) ) { $this->set_args( $args ); } $this->fonts_host = apply_filters( 'lastudio-kit/fonts_manager/cdn_url', $this->fonts_host ); add_action( 'customize_preview_init', array( $this, 'reset_fonts_cache' ) ); add_action( 'customize_save_after', array( $this, 'reset_fonts_cache' ) ); add_action( 'switch_theme', array( $this, 'reset_fonts_cache' ) ); if ( is_admin() ) { return; } add_action( 'wp_enqueue_scripts', array( $this, 'prepare_fonts' ) ); } /** * Set module arguments * * @param array $args Arguments list. */ public function set_args( $args = array() ) { $this->args = wp_parse_args( $args, array( 'prefix' => '', 'single' => false, 'type' => 'theme_mod', 'get_fonts' => '', 'is_google_font' => '', 'options' => array(), ) ); } /** * Get fonts data and enqueue URL * * @since 1.0.0 */ public function prepare_fonts() { $font_url = $this->get_fonts_url(); if(!empty($font_url)){ wp_enqueue_style( 'lakit-google-fonts-' . $this->args['prefix'], $font_url, lastudio_kit()->get_version() ); } } /** * Returns transient key. * * @return string */ public function transient_key() { return 'lakit_google_fonts_url_' . $this->args['prefix']; } /** * Return theme Google fonts URL to enqueue it * * @since 1.0.0 * @return string */ public function get_fonts_url() { $font_url = get_transient( $this->transient_key() ); if ( ! $font_url ) { // Get typography options list $options_set = $this->get_options_set(); // build Google fonts data array foreach ( $options_set as $option ) { $this->add_font( $option ); } $font_url = $this->build_fonts_url(); if ( false == $font_url ) { return; } global $wp_customize; if ( ! isset( $wp_customize ) ) { set_transient( $this->transient_key(), $font_url, WEEK_IN_SECONDS ); } } return $font_url; } /** * Get options set from module arguments * * @return array */ public function get_options_set() { return $this->args['options']; } /** * Get current setting by name * * @since 1.0.0 * @return mixed */ public function get_setting( $name ) { $type = $this->args['type']; if ( 'theme_mod' == $type ) { $setting = get_theme_mod( $name ); return $setting; } if ( true != $this->args['single'] ) { $setting = get_option( $name ); return $setting; } $settings = get_option( $this->args['prefix'] ); if ( ! empty( $settings ) && isset( $settings[ $name ] ) ) { return $settings[ $name ]; } return false; } /** * Build Google fonts stylesheet URL from stored data * * @since 1.0.0 */ public function build_fonts_url() { $font_families = array(); $subsets = array(); if ( empty( $this->fonts_data ) ) { return false; } /** * Filter fonts data. * * @since 1.0.1 * @param array $this->fonts_data Fonts data. * @param array $this->args module arguments. */ $this->fonts_data = apply_filters( 'lastudio-kit/fonts_manager/fonts_data', $this->fonts_data, $this->args ); foreach ( $this->fonts_data as $family => $data ) { $styles = implode( ',', array_unique( array_filter( $data['style'] ) ) ); $font_families[] = $family . ':' . $styles; $subsets = array_merge( $subsets, $data['character'] ); } $subsets = array_unique( array_filter( $subsets ) ); $query_args = array( 'family' => urlencode( implode( '|', $font_families ) ), 'subset' => urlencode( implode( ',', $subsets ) ), ); $fonts_url = add_query_arg( $query_args, $this->fonts_host ); return $fonts_url; } /** * Get single typography option value from database and store it in object property * * @since 1.0.0 * @param [type] $font option name to get from database. */ public function add_font( $font ) { $font = wp_parse_args( $font, array( 'family' => '', 'style' => 'normal', 'weight' => '400', 'charset' => 'latin', ) ); $family = $this->get_setting( $font['family'] ); $family = explode( ',', $family ); $family = trim( $family[0], "'" ); if(empty($family)){ return; } if ( ! $this->is_google_font( $family ) ) { return; } $load_style = $this->get_setting( $font['weight'] ); $font_style = $this->get_setting( $font['style'] ); if ( 'italic' === $font_style ) { $load_style .= $font_style; } if ( ! isset( $this->fonts_data[ $family ] ) ) { $this->fonts_data[ $family ] = array( 'style' => array( $load_style ), 'character' => array( $this->get_setting( $font['charset'] ) ), ); } else { $this->fonts_data[ $family ] = array( 'style' => $this->add_font_prop( $load_style, $this->fonts_data[ $family ]['style'] ), 'character' => $this->add_font_prop( $this->get_setting( $font['charset'] ), $this->fonts_data[ $family ]['character'] ), ); } } /** * Add new font property to existaing properties array * * @since 1.0.0 * @param [type] $new property to add. * @param array $existing existing properties. */ public function add_font_prop( $new, $existing ) { if ( ! is_array( $existing ) ) { return array( $new ); } if ( ! in_array( $new, $existing ) ) { $existing[] = $new; } return $existing; } /** * Check if selected font is google font * * @since 1.0.0 * @param array $font_family font family to check. * @return boolean */ public function is_google_font( $font_family ) { $callback = isset( $this->args['is_google_font'] ) && is_callable( $this->args['is_google_font'] ) ? $this->args['is_google_font'] : false; if($callback){ return call_user_func($callback, $font_family); } return $callback; } /** * Reset fonts cache * * @since 1.0.0 */ public function reset_fonts_cache() { delete_transient( $this->transient_key() ); } } }
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