function dynamic_background_node_form_alter in Dynamic Background 7.2

Same name and namespace in other branches

1. 6 modules/dynamic_background_node/dynamic_background_node.module \dynamic_background_node_form_alter()
2. 7 modules/dynamic_background_node/dynamic_background_node.module \dynamic_background_node_form_alter()

Implements hook_form_alter().

Hooks into the selected content types an insert a form selection option of background images uploaded by the site administrator.

File

modules/dynamic_background_node/dynamic_background_node.module, line 84

This module provides the node administrations with the option to use different dynamic background images for each node.

Code

function dynamic_background_node_form_alter(&$form, &$form_state, $form_id) {
  if (isset($form['type']['#value'])) {

    // Enable all content types by default.
    $settings = variable_get('dynamic_background_node', array());
    dynamic_background_default_content_types($settings);
    if (isset($settings['settings']['content_types'][$form['type']['#value']]) && $settings['settings']['content_types'][$form['type']['#value']]) {

      // Add new field.set, will be shown as a vertical tab.
      $form['additional_settings']['dynamic_background'] = array(
        '#type' => 'fieldset',
        '#title' => t('Node background'),
        '#collapsed' => FALSE,
        '#collapsible' => TRUE,
        '#tree' => TRUE,
      );

      // Find the current node's id.
      $nid = -1;
      if (isset($form['#node']) && isset($form['#node']->nid)) {
        $nid = $form['#node']->nid;
      }

      // Add the image selection part of the form.
      $form['additional_settings']['dynamic_background'] += dynamic_background_image_selector_form('node', $nid);

      // Allow user to upload a image.
      if (user_access('dynamic background upload node')) {

        // Load settings and find the number of images.
        $settings = variable_get('dynamic_background_node', array());
        $no_of_images = isset($settings['upload']['no_of_images']) ? $settings['upload']['no_of_images'] : 1;

        // Only proceed if the form is needed.
        if ($no_of_images > 0) {

          // Add user upload form.
          $upload_form = dynamic_background_user_upload_form('node', $nid, $no_of_images);
          $form['additional_settings']['dynamic_background'] += $upload_form['form'];

          // Add submission function.
          $form['#submit'][] = $upload_form['submit'];
        }
      }

      // Add some style to the image selection.
      drupal_add_css(drupal_get_path('module', 'dynamic_background_node') . '/css/dynamic_background_node.admin.css');
    }
  }
}