app/components/bosses.rb

gistfile1.txt

# def configure(c)
c.columns = [
      # Needs to have type :action or else won't work in grid, because... netzke modifies the xtype otherwise
      # This means you have to define it again in default_fields_for_forms
      { :name => "color", :text => "Boss Color", :type => :action, :editor => { :xtype => "xcolorcombo"}, :renderer => :color_block}
]

# def default_fields_for_forms
[
      { :name => "color", :xtype => "xcolorcombo"}
]