Since version 4.6 shops Admin templates will support blocks

  • You can easily append most of forms with needed input fields:
  actions_main.tpl [{block name="admin_actions_main_form"}] 
article_main.tpl [{block name="admin_article_main_form"}]
... 
(for more blocks please review corresponding template files) 
  • Include new CSS files:
  headitem.tpl [{block name="admin_headitem_inccss"}] 
  • Include new JS files:
  headitem.tpl [{block name="admin_headitem_incjs"}] 
  • Append JS:
  headitem.tpl [{block name="admin_headitem_js"}]