@SuppressWarnings("unused")
    @UiHandler({"url", "username", "password", "branch", "path"})
    public void onWidgetValueChange(@SuppressWarnings("unused") final KeyDownEvent e) {
        if (getUiHandlers() != null) {
            getUiHandlers().onDirty();
        }
    }
Sets the Dirty flag if any of the UI widget's content changes.
@param e Event from the UI widget. Ignored. Can be null.
stroom-core-client/src/main/java/stroom/gitrepo/client/view/GitRepoSettingsViewImpl.java