private void installPropertiesChangeListeners() { final VirtualFileManager virtualFileManager = VirtualFileManager.getInstance(); if (myVfsListener != null) { assert false; virtualFileManager.removeVirtualFileListener(myVfsListener); } myVfsListener = new VirtualFileAdapter() { @Override public void fileCreated(@NotNull VirtualFileEvent event) { if (PropertiesImplUtil.isPropertiesFile(event.getFile(), myProject)) { recreateEditorsPanel(); } } @Override public void fileDeleted(@NotNull VirtualFileEvent event) { for (PropertiesFile file : myEditors.keySet()) { if (Comparing.equal(file.getVirtualFile(), event.getFile())) { recreateEditorsPanel(); return; } } } @Override public void propertyChanged(@NotNull VirtualFilePropertyEvent event) { if (PropertiesImplUtil.isPropertiesFile(event.getFile(), myProject)) { if (VirtualFile.PROP_NAME.equals(event.getPropertyName())) { recreateEditorsPanel(); } else { updateEditorsFromProperties(); } } } }; virtualFileManager.addVirtualFileListener(myVfsListener, this); PsiTreeChangeAdapter psiTreeChangeAdapter = new PsiTreeChangeAdapter() { @Override public void childAdded(@NotNull PsiTreeChangeEvent event) { childrenChanged(event); } @Override public void childRemoved(@NotNull PsiTreeChangeEvent event) { childrenChanged(event); } @Override public void childReplaced(@NotNull PsiTreeChangeEvent event) { childrenChanged(event); } @Override public void childMoved(@NotNull PsiTreeChangeEvent event) { childrenChanged(event); } @Override public void childrenChanged(@NotNull PsiTreeChangeEvent event) { final PsiFile file = event.getFile(); PropertiesFile propertiesFile = PropertiesImplUtil.getPropertiesFile(file); if (propertiesFile == null) return; if (!propertiesFile.getResourceBundle().equals(myResourceBundle)) return; updateEditorsFromProperties(); } }; PsiManager.getInstance(myProject).addPsiTreeChangeListener(psiTreeChangeAdapter, this); }