+ @Override
+ public synchronized String[] getStructureFiles()
+ {
+ List<String> mset = new ArrayList<>();
+ if (viewer == null)
+ {
+ return new String[0];
+ }
+
+ if (modelFileNames == null)
+ {
+ int modelCount = viewer.ms.mc;
+ String filePath = null;
+ for (int i = 0; i < modelCount; ++i)
+ {
+ filePath = viewer.ms.getModelFileName(i);
+ if (!mset.contains(filePath))
+ {
+ mset.add(filePath);
+ }
+ }
+ modelFileNames = mset.toArray(new String[mset.size()]);
+ }
+
+ return modelFileNames;
+ }
+