@Override
public void fileCreated(@NotNull VirtualFileEvent event) {
final VirtualFile createdFile = event.getFile();
final VirtualFile taskDir = createdFile.getParent();
if (taskDir != null && taskDir.getName().contains(Task.TASK_DIR)) {
int taskIndex = StudyUtils.getIndex(taskDir.getName(), Task.TASK_DIR);
final VirtualFile lessonDir = taskDir.getParent();
if (lessonDir != null && lessonDir.getName().contains(StudyNames.LESSON_DIR)) {
int lessonIndex = StudyUtils.getIndex(lessonDir.getName(), StudyNames.LESSON_DIR);
if (myCourse != null) {
List<Lesson> lessons = myCourse.getLessons();
if (StudyUtils.indexIsValid(lessonIndex, lessons)) {
final Lesson lesson = lessons.get(lessonIndex);
final List<Task> tasks = lesson.getTaskList();
if (StudyUtils.indexIsValid(taskIndex, tasks)) {
final Task task = tasks.get(taskIndex);
final TaskFile taskFile = new TaskFile();
taskFile.init(task, false);
taskFile.setUserCreated(true);
task.getTaskFiles().put(createdFile.getName(), taskFile);
}
}
}
}
}
}
// remembering old end before document change because of problems
// with fragments containing "\n"
@Override
public void beforeDocumentChange(DocumentEvent e) {
if (!myTaskFile.isTrackChanges()) {
return;
}
myTaskFile.setHighlightErrors(true);
final Document document = e.getDocument();
myTaskWindows.clear();
for (AnswerPlaceholder answerPlaceholder : myTaskFile.getAnswerPlaceholders()) {
int twStart = answerPlaceholder.getRealStartOffset(document);
int twEnd = twStart + answerPlaceholder.getLength();
myTaskWindows.add(new TaskWindowWrapper(answerPlaceholder, twStart, twEnd));
}
}
@Override
public void documentChanged(DocumentEvent e) {
if (!myTaskFile.isTrackChanges()) {
return;
}
if (e instanceof DocumentEventImpl) {
final DocumentEventImpl event = (DocumentEventImpl) e;
final Document document = e.getDocument();
int offset = e.getOffset();
int change = event.getNewLength() - event.getOldLength();
for (TaskWindowWrapper taskWindowWrapper : myTaskWindows) {
int twStart = taskWindowWrapper.getTwStart();
if (twStart > offset) {
twStart += change;
}
int twEnd = taskWindowWrapper.getTwEnd();
if (twEnd >= offset) {
twEnd += change;
}
final AnswerPlaceholder answerPlaceholder = taskWindowWrapper.getAnswerPlaceholder();
int line = document.getLineNumber(twStart);
int start = twStart - document.getLineStartOffset(line);
int length = twEnd - twStart;
answerPlaceholder.setLine(line);
answerPlaceholder.setStart(start);
answerPlaceholder.setLength(length);
}
}
}