How to prevent DoubleSubmit in a GWT application?

Question

To clarify what double submit is: When the user clicks on a submit button twice, the server will process the same POST data twice. To avoid this (apart from disabling the bu

Answer 1

This will be helpfull for you -

    final Button btn = new Button("Open");
    btn.addSelectionListener(new SelectionListener() {
        @Override
        public void componentSelected(ButtonEvent ce) {

                    btn.setEnabled(false);

                    openMethod(name, new AsyncCallback() {

                        public void onFailure(Throwable caught) {
                                btn.setEnabled(true);
                    }
                    public void onSuccess(Void result) {
                        MessageBox.alert(info, "Opened Window", null);
                        btn.setEnabled(true);
                        window.hide();
                    }
                });
        }
    });