function color_scheme_form_validate in Drupal 7

Same name and namespace in other branches

1. 8 core/modules/color/color.module \color_scheme_form_validate()
2. 6 modules/color/color.module \color_scheme_form_validate()
3. 9 core/modules/color/color.module \color_scheme_form_validate()

Form validation handler for color_scheme_form().

See also

color_scheme_form_submit()

1 string reference to 'color_scheme_form_validate'

color_form_system_theme_settings_alter in modules/color/color.module

Implements hook_form_FORM_ID_alter().

File

modules/color/color.module, line 349

Allows users to change the color scheme of themes.

Code

function color_scheme_form_validate($form, &$form_state) {

  // Only accept hexadecimal CSS color strings to avoid XSS upon use.
  foreach ($form_state['values']['palette'] as $key => $color) {
    if (!color_valid_hexadecimal_string($color)) {
      form_set_error('palette][' . $key, t('%name must be a valid hexadecimal CSS color value.', array(
        '%name' => $form['color']['palette'][$key]['#title'],
      )));
    }
  }
}