ask_for_order (JSONTreeView)

         # File lib/json/editor.rb, line 955
    955:       def ask_for_order
    956:         dialog = Dialog.new(
    957:           "Give an order criterium for 'x'.",
    958:           nil, nil,
    959:           [ Stock::OK, Dialog::RESPONSE_ACCEPT ],
    960:           [ Stock::CANCEL, Dialog::RESPONSE_REJECT ]
    961:         )
    962:         hbox = HBox.new(false, 5)
    963:
    964:         hbox.pack_start(Label.new("Order:"), false)
    965:         hbox.pack_start(order_input = Entry.new)
    966:         order_input.text = @order || 'x'
    967:         order_input.width_chars = 60
    968:
    969:         hbox.pack_start(reverse_checkbox = CheckButton.new('Reverse'), false)
    970:
    971:         dialog.vbox.pack_start(hbox, false)
    972:
    973:         dialog.signal_connect('key-press-event''key-press-event', &DEFAULT_DIALOG_KEY_PRESS_HANDLER)
    974:         dialog.show_all
    975:         self.focus = dialog
    976:         dialog.run do |response|
    977:           if response == Dialog::RESPONSE_ACCEPT
    978:             return @order = order_input.text, reverse_checkbox.active?
    979:           end
    980:         end
    981:         return
    982:       ensure
    983:         dialog.destroy if dialog
    984:       end