Changing Button Text on Content Type form

Question

I created a content type called "video" and I created a module named df_video.module with:

function df_video_video_node_form_alter(&$form, &$form_state) {
    $form['actions']['submit']['#value'] = t('Upload');
}

I am trying to change the button text of my Video content type form from "Save" to "Upload" but nothing seems to work when I hit refresh. I also tried clearing the cache. I've tried many variations of the function name with no success. I would prefer to use the specific name of the form in the function name so I don't need to do a switch statement.

Also, just out of curiosity does anyone know if there is something special for placing hooks in a .inc.php file? Not doing this currently but I'm thinking it would just be an include to the main module file.

Answer 1

You cannot target only the video_node_form with an existing hook in D7, but you can target all node forms and then check against the node type to alter the form. Take a look at the documentation and comments on hook_form_FORM_ID_alter(). It may also help to check out how the Book module implemented this hook in D7.

function df_video_form_node_form_alter(&$form, &$form_state, $form_id) {
  $node = $form['#node'];
  if ($node->type == 'video') {
    $form['actions']['submit']['#value'] = t('Upload');
  }
}

With regard to your second question, you generally want to place your hooks in the .module file so that they are guaranteed to be picked up by Drupal. There are some cases where this is not necessarily necessary, like in hook_views_api() where you can points to a file containing other views-specific hooks.