Sencha controller for handling a container part of a navigation stack that shows hides tab bar

gistfile1.coffee

Ext.define 'TestApp.controller.Item'
  extend: 'Ext.app.Controller'

	config:
		refs:
			newsPanel:'newspanel'
			newsItem:'newsitem'
			mainPanel:'maintoolbar'
		control:
			newsPanel:	
				back:'clickBackEvent'

	'show':(record)->
		this.getNewsPanel().push(xtype:'newsitem')
		this.getMainPanel().getTabBar().hide()

	'clickBackEvent':(button)->
		this.getMainPanel().getTabBar().show()