/**
* Returns the currently selected file, based on which VcsBranch or StatusBar components will
* identify the current repository root.
*/
@Nullable
public static VirtualFile getSelectedFile(@NotNull Project project) {
StatusBar statusBar = WindowManager.getInstance().getStatusBar(project);
final FileEditor fileEditor = StatusBarUtil.getCurrentFileEditor(project, statusBar);
VirtualFile result = null;
if (fileEditor != null) {
if (fileEditor instanceof TextEditor) {
Document document = ((TextEditor) fileEditor).getEditor().getDocument();
result = FileDocumentManager.getInstance().getFile(document);
} else if (fileEditor instanceof ImageFileEditor) {
result = ((ImageFileEditor) fileEditor).getImageEditor().getFile();
}
}
if (result == null) {
final FileEditorManager manager = FileEditorManager.getInstance(project);
if (manager != null) {
Editor editor = manager.getSelectedTextEditor();
if (editor != null) {
result = FileDocumentManager.getInstance().getFile(editor.getDocument());
}
}
}
return result;
}
private void doRefactoring(@NotNull final Collection<UsageInfo> usageInfoSet) {
for (Iterator<UsageInfo> iterator = usageInfoSet.iterator(); iterator.hasNext(); ) {
UsageInfo usageInfo = iterator.next();
final PsiElement element = usageInfo.getElement();
if (element == null || !isToBeChanged(usageInfo)) {
iterator.remove();
}
}
LocalHistoryAction action = LocalHistory.getInstance().startAction(getCommandName());
final UsageInfo[] writableUsageInfos = usageInfoSet.toArray(new UsageInfo[usageInfoSet.size()]);
try {
PsiDocumentManager.getInstance(myProject).commitAllDocuments();
RefactoringListenerManagerImpl listenerManager =
(RefactoringListenerManagerImpl) RefactoringListenerManager.getInstance(myProject);
myTransaction = listenerManager.startTransaction();
final Map<RefactoringHelper, Object> preparedData = new LinkedHashMap<>();
final Runnable prepareHelpersRunnable =
new Runnable() {
@Override
public void run() {
for (final RefactoringHelper helper :
Extensions.getExtensions(RefactoringHelper.EP_NAME)) {
Object operation =
ApplicationManager.getApplication()
.runReadAction(
new Computable<Object>() {
@Override
public Object compute() {
return helper.prepareOperation(writableUsageInfos);
}
});
preparedData.put(helper, operation);
}
}
};
ProgressManager.getInstance()
.runProcessWithProgressSynchronously(
prepareHelpersRunnable, "Prepare ...", false, myProject);
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
final String refactoringId = getRefactoringId();
if (refactoringId != null) {
RefactoringEventData data = getBeforeData();
if (data != null) {
data.addUsages(usageInfoSet);
}
myProject
.getMessageBus()
.syncPublisher(RefactoringEventListener.REFACTORING_EVENT_TOPIC)
.refactoringStarted(refactoringId, data);
}
try {
if (refactoringId != null) {
UndoableAction action = new UndoRefactoringAction(myProject, refactoringId);
UndoManager.getInstance(myProject).undoableActionPerformed(action);
}
performRefactoring(writableUsageInfos);
} finally {
if (refactoringId != null) {
myProject
.getMessageBus()
.syncPublisher(RefactoringEventListener.REFACTORING_EVENT_TOPIC)
.refactoringDone(refactoringId, getAfterData(writableUsageInfos));
}
}
}
});
DumbService.getInstance(myProject).completeJustSubmittedTasks();
for (Map.Entry<RefactoringHelper, Object> e : preparedData.entrySet()) {
//noinspection unchecked
e.getKey().performOperation(myProject, e.getValue());
}
myTransaction.commit();
ApplicationManager.getApplication()
.runWriteAction(
new Runnable() {
@Override
public void run() {
performPsiSpoilingRefactoring();
}
});
} finally {
action.finish();
}
int count = writableUsageInfos.length;
if (count > 0) {
StatusBarUtil.setStatusBarInfo(
myProject, RefactoringBundle.message("statusBar.refactoring.result", count));
} else {
if (!isPreviewUsages(writableUsageInfos)) {
StatusBarUtil.setStatusBarInfo(myProject, RefactoringBundle.message("statusBar.noUsages"));
}
}
}
protected void doRun() {
PsiDocumentManager.getInstance(myProject).commitAllDocuments();
final Ref<UsageInfo[]> refUsages = new Ref<>();
final Ref<Language> refErrorLanguage = new Ref<>();
final Ref<Boolean> refProcessCanceled = new Ref<>();
final Ref<Boolean> anyException = new Ref<>();
final Runnable findUsagesRunnable =
new Runnable() {
@Override
public void run() {
try {
refUsages.set(
DumbService.getInstance(myProject)
.runReadActionInSmartMode(
new Computable<UsageInfo[]>() {
@Override
public UsageInfo[] compute() {
return findUsages();
}
}));
} catch (UnknownReferenceTypeException e) {
refErrorLanguage.set(e.getElementLanguage());
} catch (ProcessCanceledException e) {
refProcessCanceled.set(Boolean.TRUE);
} catch (Throwable e) {
anyException.set(Boolean.TRUE);
LOG.error(e);
}
}
};
if (!ProgressManager.getInstance()
.runProcessWithProgressSynchronously(
findUsagesRunnable, RefactoringBundle.message("progress.text"), true, myProject)) {
return;
}
if (!refErrorLanguage.isNull()) {
Messages.showErrorDialog(
myProject,
RefactoringBundle.message(
"unsupported.refs.found", refErrorLanguage.get().getDisplayName()),
RefactoringBundle.message("error.title"));
return;
}
if (DumbService.isDumb(myProject)) {
DumbService.getInstance(myProject)
.showDumbModeNotification("Refactoring is not available until indices are ready");
return;
}
if (!refProcessCanceled.isNull()) {
Messages.showErrorDialog(
myProject,
"Index corruption detected. Please retry the refactoring - indexes will be rebuilt automatically",
RefactoringBundle.message("error.title"));
return;
}
if (!anyException.isNull()) {
// do not proceed if find usages fails
return;
}
assert !refUsages.isNull() : "Null usages from processor " + this;
if (!preprocessUsages(refUsages)) return;
final UsageInfo[] usages = refUsages.get();
assert usages != null;
UsageViewDescriptor descriptor = createUsageViewDescriptor(usages);
boolean isPreview = isPreviewUsages(usages);
if (!isPreview) {
isPreview =
!ensureElementsWritable(usages, descriptor) || UsageViewUtil.hasReadOnlyUsages(usages);
if (isPreview) {
StatusBarUtil.setStatusBarInfo(
myProject, RefactoringBundle.message("readonly.occurences.found"));
}
}
if (isPreview) {
for (UsageInfo usage : usages) {
LOG.assertTrue(usage != null, getClass());
}
previewRefactoring(usages);
} else {
execute(usages);
}
}
