@Override
    protected void revealInParent() {
        final String caption = "Remove Tags from "
                               + NullSafe.size(explorerNodes)
                               + " Documents";

        final PopupSize popupSize = PopupSize.resizable(400, 500, 300, 300);

        ShowPopupEvent.builder(this)
                .popupType(PopupType.OK_CANCEL_DIALOG)
                .popupSize(popupSize)
                .caption(caption)
                .onShow(e -> getView().focus())
                .onHideRequest(this)
                .fire();
    }
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