Return a HorizontalPanel to a DisclosurePanel when I perform an AsyncCallback

I want to return a HorizontalPanel to a DisclosurePanel when I perform an AsyncCallback. The code is (please note the commented out text I need to work - //addressDisclosurePanel.add(addressHorizontalPanel);):

private DisclosurePanel addressDisclosurePanel(String nameId) {

    final DisclosurePanel addressDisclosurePanel = new DisclosurePanel("Address");

 

    //Get the Addresses

    AsyncCallback<List<Address>> callback = new GetAddressHandler<List<Address>>(PersonalDetailsView.this);

    rpc.getAddressList(nameId, callback);

 

    //addressDisclosurePanel.add(addressHorizontalPanel);

 

    return addressDisclosurePanel;

}

 

class GetAddressHandler<T> implements AsyncCallback<List<Address>> {

    //Get the list of Addresses.

    PersonalDetailsView view;

 

    final HorizontalPanel addressHorizontalPanel = new HorizontalPanel();

 

    public GetAddressHandler(PersonalDetailsView view) {

        this.view = view;

    }

 

    public void onFailure(Throwable ex) {

        System.out.println("RPC call failed - GetAddressHandler - Notify Administrator.");

        Window.alert("Connection failed - please retry.");

    }

    public void onSuccess(List<Address> result) {

        Window.alert("Render address.");

        addressHorizontalPanel.add(view.renderAddresses(result));

    }

}

 

private FlexTable renderAddresses(List<Address> addressList) {

    //Load each TabPanel with Addresses

    Window.alert("get address.");;

 

    final FlexTable flexTableAddress = new FlexTable();

 

    if (addressList == null || addressList.isEmpty()) {

        //Add a place to add an address

 

        //Address Type

        final Label lblAddressType = new Label("Address Type:");

        lblAddressType.setStyleName("gwt-Label-Login");

        flexTableAddress.setWidget(0, 0, lblAddressType);

 

        final TextBox textBoxAddressType = new TextBox();

        textBoxAddressType.setStyleName("gwt-TextBox");

        textBoxAddressType.setWidth("300px");

        flexTableAddress.setWidget(0, 1, textBoxAddressType);

 

    }else{

        int row = 0;

        //

        //Create a place to display each Address and allow update

        //

        for (final Address eachAddress : addressList) {

            //Store key

            final String addId = eachAddress.getAddId();

            Window.alert("addId = " + addId);

 

            //Address Type

            final Label lblAddressType = new Label("Address Type:");

            lblAddressType.setStyleName("gwt-Label-Login");

            flexTableAddress.setWidget(row, 0, lblAddressType);

 

            final TextBox textBoxAddressType = new TextBox();

            textBoxAddressType.setText(eachAddress.getAddType());

            textBoxAddressType.setStyleName("gwt-TextBox");

            textBoxAddressType.setWidth("300px");

            flexTableAddress.setWidget(row, 1, textBoxAddressType);

 

            row++;

        }

    }

    return flexTableAddress;

}

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