@Override public void beforeFileMovement(@NotNull VirtualFileMoveEvent event) { final VirtualFile vFile = event.getFile(); final PsiDirectory oldParentDir = myFileManager.findDirectory(event.getOldParent()); final PsiDirectory newParentDir = myFileManager.findDirectory(event.getNewParent()); if (oldParentDir == null && newParentDir == null) return; if (myFileTypeManager.isFileIgnored(vFile)) return; ApplicationManager.getApplication() .runWriteAction( new ExternalChangeAction() { @Override public void run() { PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager); boolean isExcluded = vFile.isDirectory() && Registry.is("ide.hide.excluded.files") && myProjectRootManager.getFileIndex().isExcluded(vFile); if (oldParentDir != null && !isExcluded) { if (newParentDir != null) { treeEvent.setOldParent(oldParentDir); treeEvent.setNewParent(newParentDir); if (vFile.isDirectory()) { PsiDirectory psiDir = myFileManager.findDirectory(vFile); treeEvent.setChild(psiDir); } else { PsiFile psiFile = myFileManager.findFile(vFile); treeEvent.setChild(psiFile); } myManager.beforeChildMovement(treeEvent); } else { treeEvent.setParent(oldParentDir); if (vFile.isDirectory()) { PsiDirectory psiDir = myFileManager.findDirectory(vFile); treeEvent.setChild(psiDir); } else { PsiFile psiFile = myFileManager.findFile(vFile); treeEvent.setChild(psiFile); } myManager.beforeChildRemoval(treeEvent); } } else { LOG.assertTrue(newParentDir != null); // checked above treeEvent.setParent(newParentDir); myManager.beforeChildAddition(treeEvent); } } }); }
@Override public void fileMoved(@NotNull VirtualFileMoveEvent event) { // let PushedFilePropertiesUpdater process all pending vfs events and update file properties // before we issue PSI events PushedFilePropertiesUpdater.getInstance(myProject).processPendingEvents(); final VirtualFile vFile = event.getFile(); final PsiDirectory oldParentDir = myFileManager.findDirectory(event.getOldParent()); final PsiDirectory newParentDir = myFileManager.findDirectory(event.getNewParent()); if (oldParentDir == null && newParentDir == null) return; final PsiElement oldElement = vFile.isDirectory() ? myFileManager.getCachedDirectory(vFile) : myFileManager.getCachedPsiFileInner(vFile); myFileManager.removeInvalidFilesAndDirs(true); final PsiElement newElement; final FileViewProvider newViewProvider; if (!vFile.isDirectory()) { newViewProvider = myFileManager.createFileViewProvider(vFile, true); newElement = newViewProvider.getPsi(myFileManager.findViewProvider(vFile).getBaseLanguage()); } else { newElement = myFileManager.findDirectory(vFile); newViewProvider = null; } if (oldElement == null && newElement == null) return; ApplicationManager.getApplication() .runWriteAction( new ExternalChangeAction() { @Override public void run() { PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager); if (oldElement == null) { myFileManager.setViewProvider(vFile, newViewProvider); treeEvent.setParent(newParentDir); treeEvent.setChild(newElement); myManager.childAdded(treeEvent); } else { if (newElement == null) { myFileManager.setViewProvider(vFile, null); treeEvent.setParent(oldParentDir); treeEvent.setChild(oldElement); myManager.childRemoved(treeEvent); } else { if (newElement instanceof PsiDirectory || FileManagerImpl.areViewProvidersEquivalent( newViewProvider, ((PsiFile) oldElement).getViewProvider())) { treeEvent.setOldParent(oldParentDir); treeEvent.setNewParent(newParentDir); treeEvent.setChild(oldElement); myManager.childMoved(treeEvent); } else { myFileManager.setViewProvider(vFile, newViewProvider); PsiTreeChangeEventImpl treeRemoveEvent = new PsiTreeChangeEventImpl(myManager); treeRemoveEvent.setParent(oldParentDir); treeRemoveEvent.setChild(oldElement); myManager.childRemoved(treeRemoveEvent); PsiTreeChangeEventImpl treeAddEvent = new PsiTreeChangeEventImpl(myManager); treeAddEvent.setParent(newParentDir); treeAddEvent.setChild(newElement); myManager.childAdded(treeAddEvent); } } } } }); }