How can I name the template file for the edit page of a certain content type? I would like to override only the edit page of a certain content type.
Theme developer module says:

page-"content_type".tpl.php &lt; page-node-edit.tpl.php &lt; page-node-"nid".tpl.php &lt; page-node.tpl.php &lt; page.tpl.php

If I use page-"content_type".tpl.php, it also overrides the node view page and if I use page-node-edit.tpl.php it overrides the edit page of all content types. 

Update:
I tried the code below, and put it in my template.php but it doesn't work. 

function my_theme_preprocess_page(&amp;$vars) {
 if (isset($vars['node'])) {
   $edit_or_add=basename($_GET['q']);
    if ($edit_or_add=='edit' || $edit_or_add=='add') {
      $vars['template_files'][]='page-' . str_replace('_','-',$vars['node']-&gt;type . '-' . $edit_or_add);
    }
    else {
      $vars['template_files'][]='page-' . str_replace('_','-',$vars['node']-&gt;type);
    }
  }
}
function my_theme_name_theme($existing, $type, $theme, $path) {
  return array(
    'story_node_form' =&gt; array(
        'arguments' =&gt; array('form' =&gt; NULL),
        'template' =&gt; 'node-story-edit'
    )
  );
}


This code from here worked for me, for example for the story content type.