function color_palette_color_value

Determines the value for a palette color field.


$element: The form element whose value is being populated.

$input: The incoming input to populate the form element. If this is FALSE, the element's default value should be returned.

$form_state: A keyed array containing the current state of the form.

Return value

The data that will appear in the $form_state['values'] collection for this element. Return nothing to use the default.

1 string reference to 'color_palette_color_value'
color_scheme_form in drupal/modules/color/color.module
Form constructor for the color configuration form for a particular theme.


drupal/modules/color/color.module, line 313
Allows users to change the color scheme of themes.


function color_palette_color_value($element, $input = FALSE, $form_state = array()) {

  // If we suspect a possible cross-site request forgery attack, only accept
  // hexadecimal CSS color strings from user input, to avoid problems when this
  // value is used in the JavaScript preview.
  if ($input !== FALSE) {

    // Start with the provided value for this textfield, and validate that if
    // necessary, falling back on the default value.
    $value = form_type_textfield_value($element, $input, $form_state);
    if (!$value || !isset($form_state['complete form']['#token']) || color_valid_hexadecimal_string($value) || drupal_valid_token($form_state['values']['form_token'], $form_state['complete form']['#token'])) {
      return $value;
    else {
      return $element['#default_value'];