color_library_info_alter(&$libraries, $extension)
Implements hook_library_info_alter().
Replaces style sheets declared in libraries with color-altered style sheets.
File
- core/modules/color/color.module, line 74
- Allows users to change the color scheme of themes.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | function color_library_info_alter(&$libraries, $extension) { $themes = array_keys(\Drupal::service('theme_handler')->listInfo()); if (in_array($extension, $themes)) { $color_paths = \Drupal::config('color.theme.' . $extension)->get('stylesheets'); if (!empty($color_paths)) { foreach (array_keys($libraries) as $name) { if (isset($libraries[$name]['css'])) { // Override stylesheets. foreach ($libraries[$name]['css'] as $category => $css_assets) { foreach ($css_assets as $path => $metadata) { // Loop over the path array with recolored CSS files to find matching // paths which could replace the non-recolored paths. foreach ($color_paths as $color_path) { // Color module currently requires unique file names to be used, // which allows us to compare different file paths. if (drupal_basename($path) == drupal_basename($color_path)) { // Replace the path to the new css file. // This keeps the order of the stylesheets intact. $index = array_search($path, array_keys($libraries[$name]['css'][$category])); $preceding_css_assets = array_slice($libraries[$name]['css'][$category], 0, $index); $succeeding_css_assets = array_slice($libraries[$name]['css'][$category], $index + 1); $libraries[$name]['css'][$category] = array_merge( $preceding_css_assets, [$color_path => $metadata], $succeeding_css_assets ); } } } } } } } }} |
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