function msnf_field_overview_validate in Multistep Nodeform 7

Validate handler for the overview screens.

Parameters

array $form: The complete form.

array $form_state: The state of the form.

1 string reference to 'msnf_field_overview_validate'

msnf_field_ui_overview_form_alter in includes/msnf.field_ui.inc

Function to alter the fields overview screen.

File

includes/msnf.field_ui.inc, line 504

msnf.field_ui.inc is a file that contains most functions needed on the Fields UI Manage forms (display and fields).

Code

function msnf_field_overview_validate($form, &$form_state) {
  $form_values = $form_state['values']['fields'];
  $entity_type = $form['#entity_type'];
  $bundle = $form['#bundle'];
  $step = $form_values['_add_new_step'];

  // Validate if any information was provided in the 'add new step' row.
  if (array_filter(array(
    $step['label'],
    $step['step_name'],
  ))) {

    // Missing label.
    if (!$step['label']) {
      form_set_error('fields][_add_new_step][label', t('Add new step: you need to provide a label.'));
    }

    // Missing step name.
    if (!$step['step_name']) {
      form_set_error('fields][_add_new_step][step_name', t('Add new step: you need to provide a step name.'));
    }
    else {
      $step_name = $step['step_name'];

      // Add the 'step_' prefix.
      if (drupal_substr($step_name, 0, 5) != 'step_') {
        $step_name = 'step_' . $step_name;
        form_set_value($form['fields']['_add_new_step']['step_name'], $step_name, $form_state);
      }

      // Invalid step name.
      if (!preg_match('!^step_[a-z0-9_]+$!', $step_name)) {
        form_set_error('fields][_add_new_step][step_name', t('Add new step: the step name %step_name is invalid. The name must include only lowercase unaccentuated letters, numbers, and underscores.', array(
          '%step_name' => $step_name,
        )));
      }
      if (drupal_strlen($step_name) > 32) {

        // This should never happen as we limit the input to 27 characters.
        form_set_error('fields][_add_new_step][step_name', t("Add new step: the step name %step_name is too long. The name is limited to 32 characters, including the 'step_' prefix.", array(
          '%step_name' => $step_name,
        )));
      }
    }
  }
}