private static boolean copyOneClass(Map<PsiFile, PsiClass[]> classes) {
if (classes.size() == 1) {
final PsiClass[] psiClasses = classes.values().iterator().next();
return psiClasses != null && psiClasses.length == 1;
}
return false;
}
@Override
public boolean forbidToClone(PsiElement[] elements, boolean fromUpdate) {
final Map<PsiFile, PsiClass[]> fileMap =
convertToTopLevelClasses(elements, fromUpdate, null, null);
if (fileMap != null && fileMap.size() == 1) {
final PsiClass[] psiClasses = fileMap.values().iterator().next();
return psiClasses != null && psiClasses.length > 1;
}
return true;
}
@Nullable
public static PsiElement doCopyClasses(
final Map<PsiFile, PsiClass[]> fileToClasses,
@Nullable HashMap<PsiFile, String> map,
final String copyClassName,
final PsiDirectory targetDirectory,
final Project project)
throws IncorrectOperationException {
PsiElement newElement = null;
final Map<PsiClass, PsiElement> oldToNewMap = new HashMap<PsiClass, PsiElement>();
for (final PsiClass[] psiClasses : fileToClasses.values()) {
if (psiClasses != null) {
for (PsiClass aClass : psiClasses) {
if (aClass instanceof SyntheticElement) {
continue;
}
oldToNewMap.put(aClass, null);
}
}
}
final List<PsiFile> createdFiles = new ArrayList<PsiFile>(fileToClasses.size());
int[] choice = fileToClasses.size() > 1 ? new int[] {-1} : null;
List<PsiFile> files = new ArrayList<PsiFile>();
for (final Map.Entry<PsiFile, PsiClass[]> entry : fileToClasses.entrySet()) {
final PsiFile psiFile = entry.getKey();
final PsiClass[] sources = entry.getValue();
if (psiFile instanceof PsiClassOwner && sources != null) {
final PsiFile createdFile =
copy(
psiFile,
targetDirectory,
copyClassName,
map == null ? null : map.get(psiFile),
choice);
if (createdFile == null) return null;
for (final PsiClass destination : ((PsiClassOwner) createdFile).getClasses()) {
if (destination instanceof SyntheticElement) {
continue;
}
PsiClass source = findByName(sources, destination.getName());
if (source != null) {
final PsiClass copy = copy(source, copyClassName);
newElement = destination.replace(copy);
oldToNewMap.put(source, newElement);
} else {
destination.delete();
}
}
createdFiles.add(createdFile);
} else {
files.add(psiFile);
}
}
for (PsiFile file : files) {
try {
PsiDirectory finalTarget = targetDirectory;
final String relativePath = map != null ? map.get(file) : null;
if (relativePath != null && !relativePath.isEmpty()) {
finalTarget =
buildRelativeDir(targetDirectory, relativePath).findOrCreateTargetDirectory();
}
final PsiFile fileCopy =
CopyFilesOrDirectoriesHandler.copyToDirectory(
file, getNewFileName(file, copyClassName), finalTarget, choice);
if (fileCopy != null) {
createdFiles.add(fileCopy);
}
} catch (IOException e) {
throw new IncorrectOperationException(e.getMessage());
}
}
final Set<PsiElement> rebindExpressions = new HashSet<PsiElement>();
for (PsiElement element : oldToNewMap.values()) {
if (element == null) {
LOG.error(oldToNewMap.keySet());
continue;
}
decodeRefs(element, oldToNewMap, rebindExpressions);
}
final JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
for (PsiFile psiFile : createdFiles) {
if (psiFile instanceof PsiJavaFile) {
codeStyleManager.removeRedundantImports((PsiJavaFile) psiFile);
}
}
for (PsiElement expression : rebindExpressions) {
codeStyleManager.shortenClassReferences(expression);
}
new OptimizeImportsProcessor(
project, createdFiles.toArray(new PsiFile[createdFiles.size()]), null)
.run();
return newElement != null ? newElement : createdFiles.size() > 0 ? createdFiles.get(0) : null;
}