function editor_note_validate_hex in Editor Notes 7

Validates form element that accepts HEX value.

1 string reference to 'editor_note_validate_hex'

editor_note_field_settings_form in ./editor_note.module

Implements hook_field_settings_form().

File

./editor_note.module, line 1387

Main functionality for Editor Notes module.

Code

function editor_note_validate_hex($element, &$form_state) {
  preg_match('/^[0-9A-Fa-f]{6}$/', trim($element['#value']), $matches);
  if (empty($matches)) {
    form_error($element, t('%name should contain combination of 6 [0-9A-Fa-f] symbols.', array(
      '%name' => $element['#title'],
    )));
  }
}