color_field.post_update.php

<?php


/**
 * @file
 * Contains post update functionality for the color field module.
 */
use Drupal\Core\Entity\Entity\EntityFormDisplay;

/**
 * Update spectrum widget configuration to allow multiple palettes.
 */
function color_field_post_update_spectrum_palette() {
    
    /** @var \Drupal\Core\Entity\Entity\EntityFormDisplay $entity_form_display */
    foreach (EntityFormDisplay::loadMultiple() as $entity_form_display) {
        $changed = FALSE;
        foreach ($entity_form_display->getComponents() as $name => $options) {
            if (isset($options['type']) && $options['type'] === 'color_field_widget_spectrum') {
                if ($options['settings']['palette']) {
                    $palette = explode(',', $options['settings']['palette']);
                    foreach ($palette as &$color) {
                        $color = '"' . trim($color) . '"';
                    }
                    $options['settings']['palette'] = '[' . implode(',', $palette) . ']';
                    $entity_form_display->setComponent($name, $options);
                    $changed = TRUE;
                }
            }
        }
        if ($changed) {
            $entity_form_display->save();
        }
    }
    return t('The new palette format for spectrum color field widgets has been applied.');
}