/**
   * Get the primary file sequence of the working version of the node being viewed <CODE>null</CODE>
   * if no working version is being viewed.
   */
  public FileSeq getPrimarySequence() {
    if (pStatus != null) {
      NodeDetailsLight details = pStatus.getLightDetails();
      if (details != null) {
        NodeMod mod = details.getWorkingVersion();
        if (mod != null) return mod.getPrimarySequence();
      }
    }

    return null;
  }
  /** Add the UI components for the given file sequence to the panel. */
  private void addFileSeqPanel(FileSeq fseq) {
    boolean isPresentInWorking = false;
    if ((pStatus != null) && pStatus.hasLightDetails()) {
      NodeDetailsLight details = pStatus.getLightDetails();
      NodeMod mod = details.getWorkingVersion();
      if (mod != null) {
        if (mod.getPrimarySequence().equals(fseq)) isPresentInWorking = true;
        else {
          for (FileSeq sfseq : mod.getSecondarySequences()) {
            if (sfseq.equals(fseq)) {
              isPresentInWorking = true;
              break;
            }
          }
        }
      }
    }

    /* collate the row information */
    ArrayList<VersionID> vids = new ArrayList<VersionID>();
    ArrayList<FileSeq> singles = new ArrayList<FileSeq>();
    TreeSet<FileSeq> enabled = new TreeSet<FileSeq>();
    TreeMap<FileSeq, FileState> fstates = new TreeMap<FileSeq, FileState>();
    TreeMap<FileSeq, NativeFileInfo> finfos = new TreeMap<FileSeq, NativeFileInfo>();
    TreeMap<FileSeq, QueueState> qstates = new TreeMap<FileSeq, QueueState>();
    TreeMap<FileSeq, Boolean[]> novel = new TreeMap<FileSeq, Boolean[]>();
    {
      TreeMap<FileSeq, Integer> wsingles = new TreeMap<FileSeq, Integer>();
      if ((pStatus != null) && pStatus.hasLightDetails()) {
        if (isPresentInWorking) {
          if (pStatus.hasHeavyDetails()) {
            NodeDetailsHeavy details = pStatus.getHeavyDetails();

            FileState[] fs = details.getFileStates(fseq);
            QueueState[] qs = details.getQueueStates();
            NativeFileInfo[] infos = details.getFileInfos(fseq);
            if ((fs != null) && (qs != null) && (infos != null)) {
              int wk;
              for (wk = 0; wk < fs.length; wk++) {
                FileSeq sfseq = new FileSeq(fseq, wk);
                wsingles.put(sfseq, wk);

                fstates.put(sfseq, fs[wk]);
                finfos.put(sfseq, infos[wk]);
                qstates.put(sfseq, qs[wk]);

                if (fs[wk] != FileState.CheckedIn) enabled.add(sfseq);
              }
            }
          } else {
            NodeDetailsLight details = pStatus.getLightDetails();

            int wk;
            for (wk = 0; wk < fseq.numFrames(); wk++) {
              FileSeq sfseq = new FileSeq(fseq, wk);
              wsingles.put(sfseq, wk);

              if (details.getVersionState() == VersionState.CheckedIn) {
                fstates.put(sfseq, FileState.CheckedIn);
                qstates.put(sfseq, QueueState.Undefined);
              } else {
                enabled.add(sfseq);
              }
            }
          }
        }

        {
          vids.addAll(pNovelty.keySet());
          Collections.reverse(vids);

          int idx = 0;
          for (VersionID vid : vids) {
            TreeMap<FileSeq, boolean[]> table = pNovelty.get(vid);
            for (FileSeq nfseq : table.keySet()) {
              if (fseq.similarTo(nfseq)) {
                boolean[] flags = table.get(nfseq);

                int wk;
                for (wk = 0; wk < flags.length; wk++) {
                  FileSeq sfseq = new FileSeq(nfseq, wk);
                  if (!wsingles.containsKey(sfseq)) wsingles.put(sfseq, null);

                  Boolean[] rflags = novel.get(sfseq);
                  if (rflags == null) {
                    rflags = new Boolean[pNovelty.size()];
                    novel.put(sfseq, rflags);
                  }

                  rflags[idx] = new Boolean(flags[wk]);
                }

                break;
              }
            }

            idx++;
          }
        }
      }

      TreeMap<Integer, FileSeq> order = new TreeMap<Integer, FileSeq>();
      for (FileSeq sfseq : wsingles.keySet()) {
        int frame = -1;
        if (sfseq.hasFrameNumbers()) frame = sfseq.getFrameRange().getStart();

        order.put(frame, sfseq);
      }

      singles.addAll(order.values());
    }

    /* add the panel */
    {
      JFileSeqPanel panel =
          new JFileSeqPanel(
              this,
              pManagerPanel,
              pStatus,
              pPrivilegeDetails,
              fseq,
              vids,
              pOffline,
              singles,
              fstates,
              finfos,
              qstates,
              enabled,
              novel,
              pIsListLayout);

      if (pIsListLayout) pFileSeqsBox.add(panel);
      else pFileSeqsTab.addTab(fseq.getFilePattern().toString(), sTabIcon, panel);

      pFileSeqPanels.put(fseq, panel);
    }
  }