Ext Js: show childrent element when parent is hidden

I want to show children element as a part of parent element when pare开发者_开发知识库nt is hide. In practical terms, I need to show div when parent is hide.

Ext-Js is a container, item system. So elements can only have one parent, if you really want to do this you can move the element to another parent that is visible on that action. Your better bet is to hide all items on the parent that you wish not to display, and not actually hide the parent