function color_scheme_form_validate

Form validation handler for color_scheme_form().

See also

color_scheme_form_submit()

File

core/modules/color/color.module, line 351

Code

function color_scheme_form_validate($form, FormStateInterface $form_state) {
    // Only accept hexadecimal CSS color strings to avoid XSS upon use.
    foreach ($form_state->getValue('palette') as $key => $color) {
        if (!color_valid_hexadecimal_string($color)) {
            $form_state->setErrorByName('palette][' . $key, t('You must enter a valid hexadecimal color value for %name.', [
                '%name' => $form['color']['palette'][$key]['#title'],
            ]));
        }
    }
}