@Override
    public void setData(final List<DocRef> nodeDocRefs,
                        final Set<String> nodeTags,
                        final Set<String> allTags) {

        clearInput();
        this.nodeTags.clear();
        this.allTags.clear();
        this.docRefs = nodeDocRefs;
        this.nodeTags.addAll(NullSafe.set(nodeTags));
        this.allTags.addAll(NullSafe.set(allTags));
        updateNodeTagsListBoxContents();
        updateAllTagsListBoxContents();
    }
@return Trimmed and lower-cased tag.
stroom-core-client/src/main/java/stroom/explorer/client/view/ExplorerNodeEditTagsViewImpl.java