function 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 278

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.
    $preview_html_path = \Drupal::root() . '/';
    if (isset($info['preview_html'])) {
        $preview_html_path .= \Drupal::service('extension.list.theme')->getPath($theme) . '/' . $info['preview_html'];
    }
    else {
        $preview_html_path .= \Drupal::service('extension.list.module')->getPath('color') . '/preview.html';
    }
    $variables['html_preview']['#markup'] = file_get_contents($preview_html_path);
}