<?php 
/**
 * @file
 * Preprocess panels color presets.
 */

/**
 * Implements hook_preprocess_panels_pane().
 */
function MYTHEME_preprocess_panels_pane(&$variables) {

  // Prüfen ob unser Style Plugin aktiv ist.
  if(isset($variables['pane']->style['style'])) {
    if($variables['pane']->style['style'] === 'color_presets') {
      // Setzt die in o.g. theme_MYTHEME_preset_colors definierte Farbe als CSS-Klasse
      $variables['attributes_array']['class'][] = $variables['pane']->style['settings']['preset_color'];
    }
  }

  return $variables;
}