function ajax_example_wizard_submit

Submit function for ajax_example_wizard.

In AJAX, this is only submitted when the final submit button is clicked, but in the non-JavaScript situation, it is submitted with every button click.

Related topics

File

modules/examples/ajax_example/ajax_example_graceful_degradation.inc, line 483

Demonstrations of AJAX with graceful degradation.

Code

function ajax_example_wizard_submit($form, &$form_state) {

  // Save away the current information.
  $current_step = 'step' . $form_state['storage']['step'];
  if (!empty($form_state['values'][$current_step])) {
    $form_state['storage']['values'][$current_step] = $form_state['values'][$current_step];
  }

  // Increment or decrement the step as needed. Recover values if they exist.
  if ($form_state['triggering_element']['#value'] == t('Next step')) {
    $form_state['storage']['step']++;
    // If values have already been entered for this step, recover them from
    // $form_state['storage'] to pre-populate them.
    $step_name = 'step' . $form_state['storage']['step'];
    if (!empty($form_state['storage']['values'][$step_name])) {
      $form_state['values'][$step_name] = $form_state['storage']['values'][$step_name];
    }
  }
  if ($form_state['triggering_element']['#value'] == t('Previous step')) {
    $form_state['storage']['step']--;
    // Recover our values from $form_state['storage'] to pre-populate them.
    $step_name = 'step' . $form_state['storage']['step'];
    $form_state['values'][$step_name] = $form_state['storage']['values'][$step_name];
  }

  // If they're done, submit.
  if ($form_state['triggering_element']['#value'] == t('Submit your information')) {
    $value_message = t('Your information has been submitted:') . ' ';
    foreach ($form_state['storage']['values'] as $step => $values) {
      $value_message .= "$step: ";
      foreach ($values as $key => $value) {
        $value_message .= "$key=$value, ";
      }
    }
    backdrop_set_message($value_message);
    $form_state['rebuild'] = FALSE;
    return;
  }

  // Otherwise, we still have work to do.
  $form_state['rebuild'] = TRUE;
}