@Override
public void fileDeleted(@NotNull final VirtualFileEvent event) {
final VirtualFile vFile = event.getFile();
VirtualFile parent = event.getParent();
final PsiDirectory parentDir = getCachedDirectory(parent);
final PsiFile psiFile = myFileManager.getCachedPsiFileInner(vFile);
if (psiFile != null) {
myFileManager.setViewProvider(vFile, null);
if (parentDir != null) {
ApplicationManager.getApplication()
.runWriteAction(
new ExternalChangeAction() {
@Override
public void run() {
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setParent(parentDir);
treeEvent.setChild(psiFile);
myManager.childRemoved(treeEvent);
}
});
} else if (parent != null) {
handleVfsChangeWithoutPsi(parent);
}
} else {
final PsiDirectory psiDir = myFileManager.getCachedDirectory(vFile);
if (psiDir != null) {
myFileManager.removeInvalidFilesAndDirs(false);
if (parentDir != null) {
ApplicationManager.getApplication()
.runWriteAction(
new ExternalChangeAction() {
@Override
public void run() {
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setParent(parentDir);
treeEvent.setChild(psiDir);
myManager.childRemoved(treeEvent);
}
});
}
} else if (parent != null) {
handleVfsChangeWithoutPsi(parent);
}
}
}
@Override
public void beforeFileDeletion(@NotNull VirtualFileEvent event) {
final VirtualFile vFile = event.getFile();
VirtualFile parent = vFile.getParent();
final PsiDirectory parentDir = getCachedDirectory(parent);
if (parentDir == null)
return; // do not notify listeners if parent directory was never accessed via PSI
ApplicationManager.getApplication()
.runWriteAction(
new ExternalChangeAction() {
@Override
public void run() {
if (!vFile.isDirectory()) {
PsiFile psiFile = myFileManager.getCachedPsiFile(vFile);
if (psiFile != null) {
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setParent(parentDir);
treeEvent.setChild(psiFile);
myManager.beforeChildRemoval(treeEvent);
}
} else {
PsiDirectory psiDir = myFileManager.findDirectory(vFile);
if (psiDir != null) {
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setParent(parentDir);
treeEvent.setChild(psiDir);
myManager.beforeChildRemoval(treeEvent);
}
}
}
});
}
@Override
public void fileCreated(@NotNull VirtualFileEvent event) {
final VirtualFile vFile = event.getFile();
ApplicationManager.getApplication()
.runWriteAction(
new ExternalChangeAction() {
@Override
public void run() {
VirtualFile parent = vFile.getParent();
PsiDirectory parentDir = getCachedDirectory(parent);
if (parentDir == null) {
// parent directory was never accessed via PSI
handleVfsChangeWithoutPsi(vFile);
return;
}
if (!vFile.isDirectory()) {
PsiFile psiFile = myFileManager.findFile(vFile);
if (psiFile != null && psiFile.getProject() == myManager.getProject()) {
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setParent(parentDir);
myManager.beforeChildAddition(treeEvent);
treeEvent.setChild(psiFile);
myManager.childAdded(treeEvent);
}
} else {
PsiDirectory psiDir = myFileManager.findDirectory(vFile);
if (psiDir != null && psiDir.getProject() == myManager.getProject()) {
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setParent(parentDir);
myManager.beforeChildAddition(treeEvent);
treeEvent.setChild(psiDir);
myManager.childAdded(treeEvent);
}
}
}
});
}
private void processEvent(VirtualFileEvent event) {
if (event.isFromRefresh() && ANNOTATIONS_XML.equals(event.getFileName())) {
dropCache();
notifyChangedExternally();
}
}