function ds_extras_form_node_form_alter in Display Suite 7.2

Same name and namespace in other branches

1. 7 modules/ds_extras/ds_extras.module \ds_extras_form_node_form_alter()

Implements hook_form_FORM_ID_alter().

File

modules/ds_extras/ds_extras.module, line 377

Display Suite extras main functions.

Code

function ds_extras_form_node_form_alter(&$form, $form_state, $form_id) {
  $node = $form['#node'];

  // Switch full view mode.
  if (user_access('ds_switch ' . $node->type)) {

    // Get the view modes.
    $view_modes = ds_extras_get_bundle_view_modes('node', $node->type);
    $enabled_vm = variable_get('ds_extras_view_modes_' . $node->type, array_keys($view_modes));
    $layouts = array();
    $options = array();
    foreach ($view_modes as $key => $label) {
      if (in_array($key, $enabled_vm)) {
        $layout = ds_get_layout('node', $node->type, $key, FALSE);
        $layouts[$key] = $layout;
        $options[$key] = $label;
      }
    }

    // Only fire if we have more than 1 option.
    if (count($options) > 1) {
      if (!isset($form['ds_extras'])) {
        $form['ds_extras'] = array(
          '#type' => 'fieldset',
          '#title' => t('Display settings'),
          '#collapsible' => TRUE,
          '#collapsed' => TRUE,
          '#group' => 'additional_settings',
          '#weight' => 100,
        );
      }
      $form['ds_extras']['ds_switch'] = array(
        '#type' => 'select',
        '#title' => t('View mode'),
        '#options' => $options,
        '#default_value' => isset($node->ds_switch) ? $node->ds_switch : 'default',
        '#description' => t('Switch to a different view mode to display the full page view of this node.'),
        '#weight' => -1,
        '#ajax' => array(
          'callback' => 'ds_extras_switch_view_mode_preview_callback',
          'wrapper' => 'ds_switch_preview_wrapper',
        ),
      );
      $form['ds_extras']['preview'] = array(
        '#type' => 'container',
        '#prefix' => '<div id="ds_switch_preview_wrapper">',
        '#suffix' => '</div>',
      );
      $fallback_image = drupal_get_path('module', 'ds') . '/images/preview.png';
      $mode = isset($form_state['input']['ds_switch']) ? $form_state['input']['ds_switch'] : (isset($node->ds_switch) ? $node->ds_switch : 'default');
      if (isset($layouts[$mode])) {
        $chosen_layout = $layouts[$mode];
        $image = isset($chosen_layout['image']) && !empty($chosen_layout['image']) ? $chosen_layout['path'] . '/' . $chosen_layout['layout'] . '.png' : $fallback_image;
        if (isset($chosen_layout['panels']) && !empty($chosen_layout['panels']['icon'])) {
          $image = $chosen_layout['panels']['path'] . '/' . $chosen_layout['panels']['icon'];
        }
      }
      else {
        $image = $fallback_image;
      }
      $form['ds_extras']['preview']['image'] = array(
        '#markup' => '<div class="ds-layout-preview-image"><img src="' . base_path() . $image . '"/></div>',
      );
    }
  }
}