function template_preprocess_color_scheme_form in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/color/color.module \template_preprocess_color_scheme_form()
Prepares variables for color scheme form templates.
Default template: color-scheme-form.html.twig.
Parameters
array $variables: An associative array containing:
- form: A render element representing the form.
File
- core/
modules/ color/ color.module, line 288 - Allows users to change the color scheme of themes.
Code
function template_preprocess_color_scheme_form(&$variables) {
$form =& $variables['form'];
$theme = $form['theme']['#value'];
$info = $form['info']['#value'];
if (isset($info['preview_library'])) {
$form['scheme']['#attached']['library'][] = $info['preview_library'];
}
// Attempt to load preview HTML if the theme provides it.
$preview_html_path = \Drupal::root() . '/' . (isset($info['preview_html']) ? drupal_get_path('theme', $theme) . '/' . $info['preview_html'] : drupal_get_path('module', 'color') . '/preview.html');
$variables['html_preview']['#markup'] = file_get_contents($preview_html_path);
}