function mb_comment_form_alter in More Buttons 7

Implements hook_form_alter().

File

mb_comment/mb_comment.module, line 64

Provides a Cancel button for comments.

Code

function mb_comment_form_alter(&$form, &$form_state, $form_id) {
  $module = 'mb_comment';
  if ($form['#id']) {
    if ($form['#id'] == 'comment-form') {
      $node = $form['#node'];
      if (arg(0) == 'comment') {
        $default_values = mb_default_values();
        $mb_content_values = mb_get_values('mb');
        $destination = drupal_get_destination();
        $settings = array();
        $settings['cancel'] = variable_get($module . '_cancel_' . $node->type, 0);
        if (!preg_match('/comment\\/reply/', url($_SERVER["HTTP_REFERER"]))) {
          $form['comment_referer'] = array(
            '#type' => 'value',
            '#value' => url($_SERVER["HTTP_REFERER"]),
          );
        }
        $form_state['cache'] = TRUE;

        // Define the "Cancel" form element.
        if ($settings['cancel'] > 0) {
          if ($settings['cancel'] == 1) {
            $weight_cancel = $form['actions']['submit']['#weight'] - 1;
          }
          elseif ($settings['cancel'] == 2) {
            $weight_cancel = 16;
          }
          $form['actions']['cancel'] = array(
            '#type' => 'submit',
            '#value' => isset($mb_comment_values['cancel']) ? t('@cancel-value', array(
              '@cancel-value' => t($mb_comment_values['cancel']),
            )) : t($default_values['cancel']),
            '#weight' => 30,
            '#validate' => array(
              'mb_comment_cancel_validate',
            ),
          );
        }
      }
    }
  }
  switch ($form_id) {
    case 'node_type_delete_confirm':

      // Delete MB Comment content type system variables
      // if content types will be deleted.
      $form['#submit'][] = 'mb_comment_delete_confirm_submit';
      break;
    case 'node_type_form':

      // Provide the prepared additional MB Comment button settings.
      // Check the specific case add content type form.
      if (empty($form['#node_type']->type)) {

        // Add content type.
        $type = 'mb_comment_type_dummy';
      }
      else {

        // Edit an content type.
        $type = $form['#node_type']->type;
      }

      // It makes no sense to use the MB Comment module with the content type panel.
      if ($type == 'panel') {
        return;
      }

      // The additional button settings.
      $form['comment_buttons'] = array(
        '#type' => 'fieldset',
        '#title' => t('Button settings - comments'),
        '#group' => 'additional_settings',
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
        '#weight' => 5,
        '#attached' => array(
          'js' => array(
            drupal_get_path('module', $module) . '/' . $module . '_node_form.js',
          ),
        ),
      );

      // Provide "Cancel" button settings.
      $form['comment_buttons'][$module . '_cancel'] = array(
        '#type' => 'select',
        '#title' => t('Cancel button'),
        '#description' => t('Please select using the button or its position.'),
        '#options' => mb_cancel_button_positions(),
        '#default_value' => variable_get($module . '_cancel_' . $type, 0),
      );
      break;
  }
}