function commerce_webform_form_views_form_commerce_cart_form_default_alter in Commerce Webform 8

Same name and namespace in other branches

1. 7.2 commerce_webform.module \commerce_webform_form_views_form_commerce_cart_form_default_alter()
2. 7 commerce_webform.module \commerce_webform_form_views_form_commerce_cart_form_default_alter()

Implements hook_form_FORM_ID_alter(). Modify the cart modification form.

File

./commerce_webform.module, line 580

Commerce Webform module file

Code

function commerce_webform_form_views_form_commerce_cart_form_default_alter(&$form, &$form_state, $form_id) {

  // Store a list of all webform added products in this order.
  $webforms = array();

  // Go through all items in the basket and note if they are webform
  // products. If they cannot have their quantities changed, remove
  // the quantity edit textfield.
  foreach (element_children($form['edit_quantity']) as $id) {

    // If this is a commerce webform item, check if it is required.
    $line_item_id = $form['edit_quantity'][$id]['#line_item_id'];
    $line_item = commerce_line_item_load($line_item_id);
    if ($line_item->type == 'commerce_webform') {
      if (!in_array('_commerce_webform_cart_validate', $form['#validate']) && $line_item->data['commerce_webform']['choose_quantity'] && $line_item->data['commerce_webform']['required']) {

        // This is a commerce_webform line item with variable quantity
        // and is required, add a validation function to stop it from
        // being set to 0.
        array_unshift($form['#validate'], '_commerce_webform_cart_validate');
      }
      $nid = entity_metadata_wrapper('commerce_line_item', $line_item)->commerce_webform_nid
        ->value();
      if (!isset($webforms[$nid])) {
        $webforms[$nid] = array(
          'count' => 0,
          'title' => node_load($nid)->title,
        );
      }
      $webforms[$nid]['count']++;
      if (!$line_item->data['commerce_webform']['choose_quantity']) {

        // Remove the ability to change the quantity.
        $form['edit_quantity'][$id]['#type'] = 'value';
        $form['edit_quantity'][$id]['quantity'] = array(
          '#markup' => '<p>' . $form['edit_quantity'][$id]['#default_value'] . '</p>',
        );
      }
    }
  }

  // Go through each of the delete buttons on the form. If they
  // remove a commerce webform added item, show a message to
  // connect them to the webform. If they are required add
  // a submission function which removes all other webform
  // items from the basket.
  foreach (element_children($form['edit_delete']) as $id) {
    if (!empty($form['edit_delete'][$id]['#line_item_id'])) {
      $line_item_id = $form['edit_delete'][$id]['#line_item_id'];
      $line_item = commerce_line_item_load($line_item_id);
      if ($line_item->type == 'commerce_webform') {
        $nid = entity_metadata_wrapper('commerce_line_item', $line_item)->commerce_webform_nid
          ->value();
        $form['edit_delete'][$id]['#suffix'] = '<br /><em>' . t('Part of %webform', array(
          '%webform' => $webforms[$nid]['title'],
        )) . '</em>';
        if ($webforms[$nid]['count'] > 1 && $line_item->data['commerce_webform']['required']) {
          $form['edit_delete'][$id]['#suffix'] .= '<br /><em>' . t('Removing this item will remove the other %webform items from your basket.', array(
            '%webform' => $webforms[$nid]['title'],
          )) . '</em>';
          array_unshift($form['edit_delete'][$id]['#submit'], '_commerce_webform_remove_required_product_from_order');
        }
      }
    }
  }
}