function asaf_example_api_depended_elements in Asaf (ajax submit for any form) 8

Same name and namespace in other branches

1. 7 modules/asaf_example/asaf_example.api.depended_elements.inc \asaf_example_api_depended_elements()

1 string reference to 'asaf_example_api_depended_elements'

asaf_example_menu in modules/asaf_example/asaf_example.module

Implements hook_menu().

File

modules/asaf_example/asaf_example.api.depended_elements.inc, line 3

Code

function asaf_example_api_depended_elements($form, &$form_state) {
  $form['time'] = array(
    '#markup' => t('Form generation time: @time', array(
      '@time' => date('H:i:s'),
    )),
  );
  $form['year_chooser'] = array(
    '#type' => 'fieldset',
    '#title' => t('Hierarchical year chooser'),
    '#collapsible' => TRUE,
  );
  $centuries = array();
  for ($i = 1; $i <= date('Y') / 100 + 1; $i++) {
    $centuries[$i] = $i;
  }
  $form['year_chooser']['century'] = array(
    '#type' => 'select',
    '#title' => t('Century'),
    '#options' => array(
      '' => '',
    ) + $centuries,
    '#asaf_control' => 'century',
    // #asaf_control attribute means that this element can generate AJAX request to
    // redraw one or more form areas. This attribute value could be used in the form
    // submission or form constructor to define an element invoked form redrawing.
    '#asaf_target_area' => 'decade_and_year',
  );
  $form['year_chooser']['decade_and_year'] = array(
    '#asaf_area' => 'decade_and_year',
  );
  if (isset($form_state['values']['century']) && $form_state['values']['century']) {
    $decades = array();
    for ($i = ($form_state['values']['century'] - 1) * 100; $i < $form_state['values']['century'] * 100 && $i <= date('Y'); $i = $i + 10) {
      $name = $i / 10 . 'x';
      $decades[$i] = $name;
    }
    $form['year_chooser']['decade_and_year']['decade'] = array(
      '#type' => 'select',
      '#title' => t('Decade'),
      '#options' => array(
        '' => '',
      ) + $decades,
      '#description' => t('Element generation time: @time', array(
        '@time' => date('H:i:s'),
      )),
      '#asaf_control' => 'decade',
      '#asaf_target_area' => 'year',
    );
    if (isset($form_state['values']['decade']) && $form_state['values']['decade'] && isset($decades[$form_state['values']['decade']])) {
      $range = array();
      for ($i = $form_state['values']['decade']; $i < $form_state['values']['decade'] + 10 && $i <= date('Y'); $i++) {
        $range[$i] = $i;
      }
      $form['year_chooser']['decade_and_year']['year'] = array(
        '#type' => 'select',
        '#title' => t('Year'),
        '#options' => $range,
        '#description' => t('Element generation time: @time', array(
          '@time' => date('H:i:s'),
        )),
        '#asaf_area' => 'year',
      );
    }
    else {

      // Even if an element is not going to be displayed on the form, we need to register an empty redrawable area to
      // have a wrapper on the client side, which will be used to insert an area content later.
      $form['year_chooser']['decade_and_year']['year'] = array(
        '#asaf_area' => 'year',
      );
    }
  }
  asaf_prepare_form($form, $form_state);
  return $form;
}