@Override
    public void onHideRequest(final HidePopupRequestEvent e) {
        if (e.isOk()) {
            final Set<String> removeTags = getView().getRemoveTags();

            if (NullSafe.hasItems(removeTags)) {
                removeTagsFromNodes(e, removeTags);
            } else {
                e.hide();
            }
        } else {
            e.hide();
        }
    }
Presenter for removing tags from multiple nodes.
See {@link ExplorerNodeRemoveTagsPresenter} for tag removal on multiple nodes.
stroom-core-client/src/main/java/stroom/explorer/client/presenter/ExplorerNodeRemoveTagsPresenter.java