public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
if (!CodeInsightUtilBase.preparePsiElementForWrite(descriptor.getPsiElement())) return;
final PsiMethod psiMethod =
PsiTreeUtil.getParentOfType(descriptor.getPsiElement(), PsiMethod.class);
if (psiMethod != null) {
final ArrayList<PsiElement> psiParameters = new ArrayList<PsiElement>();
final RefElement refMethod = myManager != null ? myManager.getReference(psiMethod) : null;
if (refMethod != null) {
for (final RefParameter refParameter : getUnusedParameters((RefMethod) refMethod)) {
psiParameters.add(refParameter.getElement());
}
} else {
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
for (PsiParameter parameter : parameters) {
if (Comparing.strEqual(parameter.getName(), myHint)) {
psiParameters.add(parameter);
break;
}
}
}
final PsiModificationTracker tracker = psiMethod.getManager().getModificationTracker();
final long startModificationCount = tracker.getModificationCount();
removeUnusedParameterViaChangeSignature(psiMethod, psiParameters);
if (refMethod != null && startModificationCount != tracker.getModificationCount()) {
myProcessor.ignoreElement(refMethod);
}
}
}
protected void childrenChanged(
PsiElement parent, final boolean stopProcessingForThisModificationCount) {
if (parent instanceof PsiDirectory && isFlattenPackages()) {
getUpdater().addSubtreeToUpdate(getRootNode());
return;
}
long newModificationCount = myModificationTracker.getOutOfCodeBlockModificationCount();
if (newModificationCount == myOutOfCodeBlockModificationCount) return;
if (stopProcessingForThisModificationCount) {
myOutOfCodeBlockModificationCount = newModificationCount;
}
while (true) {
if (parent == null) break;
if (parent instanceof PsiFile) {
VirtualFile virtualFile = ((PsiFile) parent).getVirtualFile();
if (virtualFile != null
&& myFileTypeManager.getFileTypeByFile(virtualFile) != FileTypes.PLAIN_TEXT) {
// adding a class within a file causes a new node to appear in project view => entire dir
// should be updated
parent = ((PsiFile) parent).getContainingDirectory();
if (parent == null) break;
}
}
if (getUpdater().addSubtreeToUpdateByElement(parent)) {
break;
}
if (parent instanceof PsiFile || parent instanceof PsiDirectory) break;
parent = parent.getParent();
}
}
protected ProjectViewPsiTreeChangeListener(Project project) {
myFileTypeManager = FileTypeManager.getInstance();
myModificationTracker = PsiManager.getInstance(project).getModificationTracker();
myOutOfCodeBlockModificationCount = myModificationTracker.getOutOfCodeBlockModificationCount();
}