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   1  <?php
   2  /**
   3   * Twenty Twenty Custom CSS
   4   *
   5   * @package WordPress
   6   * @subpackage Twenty_Twenty
   7   * @since Twenty Twenty 1.0
   8   */
   9  
  10  if ( ! function_exists( 'twentytwenty_generate_css' ) ) {
  11  
  12      /**
  13       * Generates CSS.
  14       *
  15       * @since Twenty Twenty 1.0
  16       *
  17       * @param string $selector The CSS selector.
  18       * @param string $style    The CSS style.
  19       * @param string $value    The CSS value.
  20       * @param string $prefix   The CSS prefix.
  21       * @param string $suffix   The CSS suffix.
  22       * @param bool   $display  Print the styles.
  23       * @return string Generated CSS.
  24       */
  25  	function twentytwenty_generate_css( $selector, $style, $value, $prefix = '', $suffix = '', $display = true ) {
  26          /*
  27           * Bail early if we have no $selector elements or properties and $value.
  28           */
  29          if ( ! $value || ! $selector ) {
  30              return '';
  31          }
  32  
  33          $return = sprintf( '%s { %s: %s; }', $selector, $style, $prefix . $value . $suffix );
  34  
  35          if ( $display ) {
  36  
  37              echo $return;
  38  
  39          }
  40  
  41          return $return;
  42      }
  43  }
  44  
  45  if ( ! function_exists( 'twentytwenty_get_customizer_css' ) ) {
  46  
  47      /**
  48       * Gets CSS Built from Customizer Options.
  49       * Builds CSS reflecting colors, fonts and other options set in the Customizer, and returns them for output.
  50       *
  51       * @since Twenty Twenty 1.0
  52       *
  53       * @param string $type Whether to return CSS for the "front-end", "block-editor", or "classic-editor".
  54       * @return string CSS styles built from Customizer options.
  55       */
  56  	function twentytwenty_get_customizer_css( $type = 'front-end' ) {
  57  
  58          // Get variables.
  59          $body              = sanitize_hex_color( twentytwenty_get_color_for_area( 'content', 'text' ) );
  60          $body_default      = '#000000';
  61          $secondary         = sanitize_hex_color( twentytwenty_get_color_for_area( 'content', 'secondary' ) );
  62          $secondary_default = '#6d6d6d';
  63          $borders           = sanitize_hex_color( twentytwenty_get_color_for_area( 'content', 'borders' ) );
  64          $borders_default   = '#dcd7ca';
  65          $accent            = sanitize_hex_color( twentytwenty_get_color_for_area( 'content', 'accent' ) );
  66          $accent_default    = '#cd2653';
  67  
  68          // Header.
  69          $header_footer_background         = sanitize_hex_color( twentytwenty_get_color_for_area( 'header-footer', 'background' ) );
  70          $header_footer_background_default = '#ffffff';
  71  
  72          // Cover.
  73          $cover         = sanitize_hex_color( get_theme_mod( 'cover_template_overlay_text_color' ) );
  74          $cover_default = '#ffffff';
  75  
  76          // Background.
  77          $background         = sanitize_hex_color_no_hash( get_theme_mod( 'background_color' ) );
  78          $background_default = 'f5efe0';
  79  
  80          ob_start();
  81  
  82          /*
  83           * Note – Styles are applied in this order:
  84           * 1. Element specific
  85           * 2. Helper classes
  86           *
  87           * This enables all helper classes to overwrite base element styles,
  88           * meaning that any color classes applied in the block editor will
  89           * have a higher priority than the base element styles.
  90           */
  91  
  92          // Front-End Styles.
  93          if ( 'front-end' === $type ) {
  94  
  95              // Auto-calculated colors.
  96              $elements_definitions = twentytwenty_get_elements_array();
  97              foreach ( $elements_definitions as $context => $props ) {
  98                  foreach ( $props as $key => $definitions ) {
  99                      foreach ( $definitions as $property => $elements ) {
 100                          /*
 101                           * If we don't have an elements array or it is empty
 102                           * then skip this iteration early;
 103                           */
 104                          if ( ! is_array( $elements ) || empty( $elements ) ) {
 105                              continue;
 106                          }
 107                          $val = twentytwenty_get_color_for_area( $context, $key );
 108                          if ( $val ) {
 109                              twentytwenty_generate_css( implode( ',', $elements ), $property, $val );
 110                          }
 111                      }
 112                  }
 113              }
 114  
 115              if ( $cover && $cover !== $cover_default ) {
 116                  twentytwenty_generate_css( '.overlay-header .header-inner', 'color', $cover );
 117                  twentytwenty_generate_css( '.cover-header .entry-header *', 'color', $cover );
 118              }
 119  
 120              // Block Editor Styles.
 121          } elseif ( 'block-editor' === $type ) {
 122  
 123              // Colors.
 124              // Accent color.
 125              if ( $accent && $accent !== $accent_default ) {
 126                  twentytwenty_generate_css( ':root .has-accent-color, .editor-styles-wrapper a, .editor-styles-wrapper .has-drop-cap:not(:focus)::first-letter, .editor-styles-wrapper .wp-block-button.is-style-outline .wp-block-button__link, .editor-styles-wrapper .wp-block-pullquote::before, .editor-styles-wrapper .wp-block-file .wp-block-file__textlink', 'color', $accent );
 127                  twentytwenty_generate_css( '.editor-styles-wrapper .wp-block-quote', 'border-color', $accent, '' );
 128                  twentytwenty_generate_css( '.has-accent-background-color, .editor-styles-wrapper .wp-block-button__link, .editor-styles-wrapper .wp-block-file__button', 'background-color', $accent );
 129              }
 130  
 131              // Background color.
 132              if ( $background && $background !== $background_default ) {
 133                  twentytwenty_generate_css( '.editor-styles-wrapper', 'background-color', '#' . $background );
 134                  twentytwenty_generate_css( '.has-background.has-primary-background-color:not(.has-text-color),.has-background.has-primary-background-color *:not(.has-text-color),.has-background.has-accent-background-color:not(.has-text-color),.has-background.has-accent-background-color *:not(.has-text-color)', 'color', '#' . $background );
 135              }
 136  
 137              // Borders color.
 138              if ( $borders && $borders !== $borders_default ) {
 139                  twentytwenty_generate_css( '.editor-styles-wrapper .wp-block-code, .editor-styles-wrapper pre, .editor-styles-wrapper .wp-block-preformatted pre, .editor-styles-wrapper .wp-block-verse pre, .editor-styles-wrapper fieldset, .editor-styles-wrapper .wp-block-table, .editor-styles-wrapper .wp-block-table *, .editor-styles-wrapper .wp-block-table.is-style-stripes, .editor-styles-wrapper .wp-block-latest-posts.is-grid li', 'border-color', $borders );
 140                  twentytwenty_generate_css( '.editor-styles-wrapper .wp-block-table caption, .editor-styles-wrapper .wp-block-table.is-style-stripes tbody tr:nth-child(odd)', 'background-color', $borders );
 141              }
 142  
 143              // Text color.
 144              if ( $body && $body !== $body_default ) {
 145                  twentytwenty_generate_css( 'html .editor-styles-wrapper, .editor-post-title__block .editor-post-title__input, .editor-post-title__block .editor-post-title__input:focus', 'color', $body );
 146              }
 147  
 148              // Secondary color.
 149              if ( $secondary && $secondary !== $secondary_default ) {
 150                  twentytwenty_generate_css( '.editor-styles-wrapper figcaption, .editor-styles-wrapper cite, .editor-styles-wrapper .wp-block-quote__citation, .editor-styles-wrapper .wp-block-quote cite, .editor-styles-wrapper .wp-block-quote footer, .editor-styles-wrapper .wp-block-pullquote__citation, .editor-styles-wrapper .wp-block-pullquote cite, .editor-styles-wrapper .wp-block-pullquote footer, .editor-styles-wrapper ul.wp-block-archives li, .editor-styles-wrapper ul.wp-block-categories li, .editor-styles-wrapper ul.wp-block-latest-posts li, .editor-styles-wrapper ul.wp-block-categories__list li, .editor-styles-wrapper .wp-block-latest-comments time, .editor-styles-wrapper .wp-block-latest-posts time', 'color', $secondary );
 151              }
 152  
 153              // Header Footer Background Color.
 154              if ( $header_footer_background && $header_footer_background !== $header_footer_background_default ) {
 155                  twentytwenty_generate_css( '.editor-styles-wrapper .wp-block-pullquote::before', 'background-color', $header_footer_background );
 156              }
 157          } elseif ( 'classic-editor' === $type ) {
 158  
 159              // Colors.
 160              // Accent color.
 161              if ( $accent && $accent !== $accent_default ) {
 162                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content a, body#tinymce.wp-editor.content a:focus, body#tinymce.wp-editor.content a:hover', 'color', $accent );
 163                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content blockquote, body#tinymce.wp-editor.content .wp-block-quote', 'border-color', $accent, '', ' !important' );
 164                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content button, body#tinymce.wp-editor.content .faux-button, body#tinymce.wp-editor.content .wp-block-button__link, body#tinymce.wp-editor.content .wp-block-file__button, body#tinymce.wp-editor.content input[type=\'button\'], body#tinymce.wp-editor.content input[type=\'reset\'], body#tinymce.wp-editor.content input[type=\'submit\']', 'background-color', $accent );
 165              }
 166  
 167              // Background color.
 168              if ( $background && $background !== $background_default ) {
 169                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content', 'background-color', '#' . $background );
 170              }
 171  
 172              // Text color.
 173              if ( $body && $body !== $body_default ) {
 174                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content', 'color', $body );
 175              }
 176  
 177              // Secondary color.
 178              if ( $secondary && $secondary !== $secondary_default ) {
 179                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content hr:not(.is-style-dots), body#tinymce.wp-editor.content cite, body#tinymce.wp-editor.content figcaption, body#tinymce.wp-editor.content .wp-caption-text, body#tinymce.wp-editor.content .wp-caption-dd, body#tinymce.wp-editor.content .gallery-caption', 'color', $secondary );
 180              }
 181  
 182              // Borders color.
 183              if ( $borders && $borders !== $borders_default ) {
 184                  twentytwenty_generate_css( 'body#tinymce.wp-editor.content pre, body#tinymce.wp-editor.content hr, body#tinymce.wp-editor.content fieldset,body#tinymce.wp-editor.content input, body#tinymce.wp-editor.content textarea', 'border-color', $borders );
 185              }
 186          }
 187  
 188          // Return the results.
 189          return ob_get_clean();
 190      }
 191  }