396 lines
11 KiB
PHP
396 lines
11 KiB
PHP
<?php
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/**
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* This file handles typography on the front-end.
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*
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* @package GeneratePress
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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/**
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* Handles all of our typography option output.
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*/
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class GeneratePress_Typography {
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/**
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* Class instance.
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*
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* @access private
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* @var $instance Class instance.
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*/
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private static $instance;
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/**
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* Initiator
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*/
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public static function get_instance() {
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if ( ! isset( self::$instance ) ) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* Constructor
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*/
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public function __construct() {
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_google_fonts' ) );
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add_filter( 'generate_editor_styles', array( $this, 'add_editor_styles' ) );
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add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_editor_scripts' ) );
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// Load fonts the old way in versions before 5.8 as block_editor_settings_all didn't exist.
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if ( version_compare( $GLOBALS['wp_version'], '5.8', '<' ) ) {
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add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_google_fonts' ) );
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}
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}
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/**
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* Generate our Google Fonts URI.
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*/
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public static function get_google_fonts_uri() {
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$fonts = generate_get_option( 'font_manager' );
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if ( empty( $fonts ) ) {
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return;
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}
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$google_fonts_uri = '';
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$data = array();
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foreach ( $fonts as $font ) {
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if ( empty( $font['googleFont'] ) ) {
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continue;
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}
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$variants = array();
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if ( ! empty( $font['googleFontVariants'] ) ) {
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// Remove spaces from string.
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$variants = str_replace( ' ', '', $font['googleFontVariants'] );
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// Turn string into array.
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$variants = explode( ',', $variants );
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}
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$variants = apply_filters( 'generate_google_font_variants', $variants, $font['fontFamily'] );
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$name = str_replace( ' ', '+', $font['fontFamily'] );
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$name = str_replace( '"', '', $name );
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if ( $variants ) {
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$data[] = $name . ':' . implode( ',', $variants );
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} else {
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$data[] = $name;
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}
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}
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if ( ! empty( $data ) ) {
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$font_args = apply_filters(
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'generate_google_font_args',
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array(
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'family' => implode( '|', $data ),
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'subset' => null,
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'display' => generate_get_option( 'google_font_display' ),
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)
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);
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$google_fonts_uri = add_query_arg( $font_args, 'https://fonts.googleapis.com/css' );
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}
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return $google_fonts_uri;
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}
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/**
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* Enqueue Google Fonts if they're set.
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*/
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public function enqueue_google_fonts() {
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if ( ! generate_is_using_dynamic_typography() ) {
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return;
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}
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$google_fonts_uri = self::get_google_fonts_uri();
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if ( $google_fonts_uri ) {
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wp_enqueue_style( 'generate-google-fonts', $google_fonts_uri, array(), GENERATE_VERSION );
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}
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}
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/**
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* Build our typography CSS.
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*
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* @param string $module The name of the module we're generating CSS for.
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* @param string $specific_selector Target a specific selector to get the CSS for.
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*/
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public static function get_css( $module = 'core', $specific_selector = '' ) {
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$typography = generate_get_option( 'typography' );
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// Get data for a specific module so CSS can be compiled separately.
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$typography = array_filter(
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(array) $typography,
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function( $data ) use ( $module ) {
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return ( isset( $data['module'] ) && $data['module'] === $module );
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}
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);
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if ( empty( $typography ) ) {
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return '';
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}
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$css = new GeneratePress_CSS();
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$body_selector = 'body';
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$paragraph_selector = 'p';
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foreach ( $typography as $key => $data ) {
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$options = wp_parse_args(
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$data,
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self::get_defaults()
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);
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$selector = self::get_css_selector( $options['selector'] );
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if ( 'custom' === $selector ) {
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$selector = $options['customSelector'];
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}
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if (
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$specific_selector &&
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$options['selector'] !== $specific_selector &&
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$options['customSelector'] !== $specific_selector
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) {
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continue;
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}
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$font_family = self::get_font_family( $options['fontFamily'] );
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$css->set_selector( $selector );
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$css->add_property( 'font-family', $font_family );
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$css->add_property( 'font-weight', $options['fontWeight'] );
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$css->add_property( 'text-transform', $options['textTransform'] );
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$css->add_property( 'font-style', $options['fontStyle'] );
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$css->add_property( 'text-decoration', $options['textDecoration'] );
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$css->add_property( 'font-size', $options['fontSize'], false, $options['fontSizeUnit'] );
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$css->add_property( 'letter-spacing', $options['letterSpacing'], false, $options['letterSpacingUnit'] );
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if ( 'body' !== $options['selector'] ) {
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$css->add_property( 'line-height', $options['lineHeight'], false, $options['lineHeightUnit'] );
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$css->add_property( 'margin-bottom', $options['marginBottom'], false, $options['marginBottomUnit'] );
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} else {
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$css->set_selector( $body_selector );
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$css->add_property( 'line-height', $options['lineHeight'], false, $options['lineHeightUnit'] );
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$css->set_selector( $paragraph_selector );
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$css->add_property( 'margin-bottom', $options['marginBottom'], false, $options['marginBottomUnit'] );
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}
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$css->start_media_query( generate_get_media_query( 'tablet' ) );
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$css->set_selector( $selector );
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$css->add_property( 'font-size', $options['fontSizeTablet'], false, $options['fontSizeUnit'] );
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$css->add_property( 'letter-spacing', $options['letterSpacingTablet'], false, $options['letterSpacingUnit'] );
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if ( 'body' !== $options['selector'] ) {
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$css->add_property( 'line-height', $options['lineHeightTablet'], false, $options['lineHeightUnit'] );
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$css->add_property( 'margin-bottom', $options['marginBottomTablet'], false, $options['marginBottomUnit'] );
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} else {
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$css->set_selector( $body_selector );
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$css->add_property( 'line-height', $options['lineHeightTablet'], false, $options['lineHeightUnit'] );
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$css->set_selector( $paragraph_selector );
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$css->add_property( 'margin-bottom', $options['marginBottomTablet'], false, $options['marginBottomUnit'] );
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}
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$css->stop_media_query();
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$css->start_media_query( generate_get_media_query( 'mobile' ) );
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$css->set_selector( $selector );
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$css->add_property( 'font-size', $options['fontSizeMobile'], false, $options['fontSizeUnit'] );
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$css->add_property( 'letter-spacing', $options['letterSpacingMobile'], false, $options['letterSpacingUnit'] );
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if ( 'body' !== $options['selector'] ) {
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$css->add_property( 'line-height', $options['lineHeightMobile'], false, $options['lineHeightUnit'] );
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$css->add_property( 'margin-bottom', $options['marginBottomMobile'], false, $options['marginBottomUnit'] );
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} else {
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$css->set_selector( $body_selector );
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$css->add_property( 'line-height', $options['lineHeightMobile'], false, $options['lineHeightUnit'] );
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$css->set_selector( $paragraph_selector );
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$css->add_property( 'margin-bottom', $options['marginBottomMobile'], false, $options['marginBottomUnit'] );
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}
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$css->stop_media_query();
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}
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return $css->css_output();
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}
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/**
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* Get the CSS selector.
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*
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* @param string $selector The saved selector to look up.
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*/
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public static function get_css_selector( $selector ) {
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switch ( $selector ) {
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case 'body':
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$selector = 'body, button, input, select, textarea';
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break;
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case 'main-title':
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$selector = '.main-title';
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break;
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case 'site-description':
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$selector = '.site-description';
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break;
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case 'primary-menu-items':
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$selector = '.main-navigation a, .main-navigation .menu-toggle, .main-navigation .menu-bar-items';
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break;
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case 'primary-sub-menu-items':
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$selector = '.main-navigation .main-nav ul ul li a';
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break;
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case 'primary-menu-toggle':
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$selector = '.main-navigation .menu-toggle';
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break;
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case 'buttons':
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$selector = 'button:not(.menu-toggle),html input[type="button"],input[type="reset"],input[type="submit"],.button,.wp-block-button .wp-block-button__link';
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break;
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case 'all-headings':
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$selector = 'h1, h2, h3, h4, h5, h6';
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break;
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case 'single-content-title':
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$selector = 'h1.entry-title';
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break;
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case 'archive-content-title':
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$selector = 'h2.entry-title';
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break;
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case 'top-bar':
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$selector = '.top-bar';
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break;
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case 'widget-titles':
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$selector = '.widget-title';
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break;
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case 'footer':
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$selector = '.site-info';
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break;
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}
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return apply_filters( 'generate_typography_css_selector', $selector );
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}
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/**
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* Get our full font family value.
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*
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* @param string $font_family The font family name.
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*/
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public static function get_font_family( $font_family ) {
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if ( ! $font_family ) {
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return $font_family;
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}
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$font_manager = generate_get_option( 'font_manager' );
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$font_families = array();
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foreach ( (array) $font_manager as $key => $data ) {
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$font_families[ $data['fontFamily'] ] = $data;
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}
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$font_family_args = array();
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if ( ! empty( $font_families[ $font_family ] ) ) {
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$font_family_args = $font_families[ $font_family ];
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}
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if ( ! empty( $font_family_args['googleFont'] ) && ! empty( $font_family_args['googleFontCategory'] ) ) {
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// Add quotations around font names with standalone numbers.
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if ( preg_match( '/(?<!\S)\d+(?!\S)/', $font_family ) ) {
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$font_family = '"' . $font_family . '"';
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}
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$font_family = $font_family . ', ' . $font_family_args['googleFontCategory'];
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} elseif ( 'System Default' === $font_family ) {
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$font_family = generate_get_system_default_font();
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}
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return $font_family;
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}
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/**
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* Get the defaults for our CSS options.
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*/
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public static function get_defaults() {
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return array(
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'selector' => '',
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'customSelector' => '',
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'fontFamily' => '',
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'fontWeight' => '',
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'textTransform' => '',
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'textDecoration' => '',
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'fontStyle' => '',
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'fontSize' => '',
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'fontSizeTablet' => '',
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'fontSizeMobile' => '',
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'fontSizeUnit' => 'px',
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'lineHeight' => '',
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'lineHeightTablet' => '',
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'lineHeightMobile' => '',
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'lineHeightUnit' => '',
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'letterSpacing' => '',
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'letterSpacingTablet' => '',
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'letterSpacingMobile' => '',
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'letterSpacingUnit' => 'px',
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'marginBottom' => '',
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'marginBottomTablet' => '',
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'marginBottomMobile' => '',
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'marginBottomUnit' => 'px',
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);
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}
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/**
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* Add editor styles to the block editor.
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*
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* @param array $editor_styles Existing styles.
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*/
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public function add_editor_styles( $editor_styles ) {
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if ( generate_is_using_dynamic_typography() ) {
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$editor_styles[] = 'assets/css/admin/editor-typography.css';
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}
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return $editor_styles;
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}
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/**
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* Add scripts to the block editor.
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*/
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public function enqueue_editor_scripts() {
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$html_typography = self::get_css( 'core', 'html' );
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if ( $html_typography ) {
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wp_add_inline_style(
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/**
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* `wp-edit-blocks` is enqueued in the editor, including the iframes.
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* This is not ideal, as we should use the `block_editor_settings_all` filter to add editor CSS.
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* However, that filter prepends all selectors with `.editor-styles-wrapper`, which breaks the above
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* selector, as it appears above that element in the DOM.
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*
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* Related: https://github.com/tomusborne/generatepress/issues/472
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*/
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'wp-edit-blocks',
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$html_typography
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);
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}
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}
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}
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GeneratePress_Typography::get_instance();
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