@Nullable
public static PsiDirectory selectDirectory(
Project project,
PsiDirectory[] packageDirectories,
PsiDirectory defaultDirectory,
String postfixToShow) {
ProjectFileIndex projectFileIndex = getInstance(project).getFileIndex();
ArrayList<PsiDirectory> possibleDirs = new ArrayList<>();
for (PsiDirectory dir : packageDirectories) {
if (!dir.isValid()) continue;
if (!dir.isWritable()) continue;
if (possibleDirs.contains(dir)) continue;
if (!projectFileIndex.isInContent(dir.getVirtualFile())) continue;
possibleDirs.add(dir);
}
if (possibleDirs.isEmpty()) return null;
if (possibleDirs.size() == 1) return possibleDirs.get(0);
if (getApplication().isUnitTestMode()) return possibleDirs.get(0);
DirectoryChooser chooser = new DirectoryChooser(project);
chooser.setTitle(message("title.choose.destination.directory"));
chooser.fillList(
possibleDirs.toArray(new PsiDirectory[possibleDirs.size()]),
defaultDirectory,
project,
postfixToShow);
return chooser.showAndGet() ? chooser.getSelectedDirectory() : null;
}
private static boolean isWritablePackage(PsiPackage aPackage) {
PsiDirectory[] directories = aPackage.getDirectories();
for (PsiDirectory directory : directories) {
if (directory.isValid() && directory.isWritable()) {
return true;
}
}
return false;
}
private static PsiDirectory getWritableModuleDirectory(
@NotNull Query<VirtualFile> vFiles, @NotNull Module module, PsiManager manager) {
for (VirtualFile vFile : vFiles) {
if (ModuleUtil.findModuleForFile(vFile, module.getProject()) != module) continue;
PsiDirectory directory = manager.findDirectory(vFile);
if (directory != null && directory.isValid() && directory.isWritable()) {
return directory;
}
}
return null;
}
@NotNull
@Override
public PsiClass[] getClasses(@NotNull PsiDirectory dir) {
LOG.assertTrue(dir.isValid());
boolean onlyCompiled =
FileIndexFacade.getInstance(dir.getProject()).isInLibraryClasses(dir.getVirtualFile());
List<PsiClass> classes = null;
for (PsiFile file : dir.getFiles()) {
if (onlyCompiled && !(file instanceof ClsFileImpl)) {
continue;
}
if (file instanceof PsiClassOwner && file.getViewProvider().getLanguages().size() == 1) {
PsiClass[] psiClasses = ((PsiClassOwner) file).getClasses();
if (psiClasses.length == 0) continue;
if (classes == null) classes = new ArrayList<PsiClass>();
ContainerUtil.addAll(classes, psiClasses);
}
}
return classes == null ? PsiClass.EMPTY_ARRAY : classes.toArray(new PsiClass[classes.size()]);
}