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package org.jetbrains.plugins.coursecreator;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.ProjectComponent;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.EditorFactory;
import com.intellij.openapi.editor.event.EditorFactoryEvent;
import com.intellij.openapi.editor.impl.EditorFactoryImpl;
import com.intellij.openapi.fileEditor.*;
import com.intellij.openapi.fileEditor.impl.text.PsiAwareTextEditorImpl;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ProjectManager;
import com.intellij.openapi.startup.StartupManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileAdapter;
import com.intellij.openapi.vfs.VirtualFileEvent;
import com.intellij.openapi.vfs.VirtualFileManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.coursecreator.format.Course;
import org.jetbrains.plugins.coursecreator.format.Lesson;
import org.jetbrains.plugins.coursecreator.format.Task;
import org.jetbrains.plugins.coursecreator.format.TaskFile;
import java.io.IOException;
public class CCProjectComponent implements ProjectComponent {
private static final Logger LOG = Logger.getInstance(CCProjectComponent.class.getName());
private final Project myProject;
private FileDeletedListener myListener;
public CCProjectComponent(Project project) {
myProject = project;
}
public void initComponent() {
}
public void disposeComponent() {
}
@NotNull
public String getComponentName() {
return "CCProjectComponent";
}
public void projectOpened() {
StartupManager.getInstance(myProject).runWhenProjectIsInitialized(new Runnable() {
@Override
public void run() {
final Course course = CCProjectService.getInstance(myProject).getCourse();
if (course != null) {
myProject.getMessageBus().connect(myProject).subscribe(
FileEditorManagerListener.FILE_EDITOR_MANAGER, new FileEditorManagerAdapter() {
@Override
public void selectionChanged(@NotNull FileEditorManagerEvent event) {
final VirtualFile oldFile = event.getOldFile();
if (oldFile == null) {
return;
}
if (CCProjectService.getInstance(myProject).isTaskFile(oldFile)) {
FileEditorManager.getInstance(myProject).closeFile(oldFile);
ApplicationManager.getApplication().runWriteAction(new Runnable() {
@Override
public void run() {
try {
oldFile.delete(myProject);
}
catch (IOException e) {
LOG.error(e);
}
}
});
}
}
});
myListener = new FileDeletedListener();
VirtualFileManager.getInstance().addVirtualFileListener(myListener);
final CCEditorFactoryListener editorFactoryListener = new CCEditorFactoryListener();
EditorFactory.getInstance().addEditorFactoryListener(editorFactoryListener, myProject);
VirtualFile[] files = FileEditorManager.getInstance(myProject).getOpenFiles();
for (VirtualFile file : files) {
if (CCProjectService.getInstance(myProject).isTaskFile(file)) {
FileEditorManager.getInstance(myProject).closeFile(file);
continue;
}
FileEditor fileEditor = FileEditorManager.getInstance(myProject).getSelectedEditor(file);
if (fileEditor instanceof PsiAwareTextEditorImpl) {
Editor editor = ((PsiAwareTextEditorImpl)fileEditor).getEditor();
editorFactoryListener.editorCreated(new EditorFactoryEvent(new EditorFactoryImpl(ProjectManager.getInstance()), editor));
}
}
}
}
});
}
public void projectClosed() {
if (myListener != null) {
VirtualFileManager.getInstance().removeVirtualFileListener(myListener);
}
}
private class FileDeletedListener extends VirtualFileAdapter {
@Override
public void fileDeleted(@NotNull VirtualFileEvent event) {
if (myProject.isDisposed() || !myProject.isOpen()) {
return;
}
Course course = CCProjectService.getInstance(myProject).getCourse();
if (course == null) {
return;
}
VirtualFile removedFile = event.getFile();
if (removedFile.getName().contains(".answer")) {
deleteTaskFile(course, removedFile);
}
if (removedFile.getName().contains("task")) {
deleteTask(course, removedFile);
}
if (removedFile.getName().contains("lesson")) {
deleteLesson(course, removedFile);
}
}
private void deleteLesson(Course course, VirtualFile file) {
VirtualFile courseDir = file.getParent();
if (!courseDir.getName().equals(myProject.getName())) {
return;
}
Lesson lesson = course.getLesson(file.getName());
if (lesson != null) {
course.getLessons().remove(lesson);
course.getLessonsMap().remove(file.getName());
}
}
private void deleteTask(Course course, VirtualFile removedFile) {
VirtualFile lessonDir = removedFile.getParent();
if (lessonDir == null || !lessonDir.getName().contains("lesson")) {
return;
}
VirtualFile courseDir = lessonDir.getParent();
if (!courseDir.getName().equals(myProject.getName())) {
return;
}
Lesson lesson = course.getLesson(lessonDir.getName());
if (lesson == null) {
return;
}
Task task = lesson.getTask(removedFile.getName());
if (task == null) {
return;
}
lesson.getTaskList().remove(task);
lesson.getTasksMap().remove(removedFile.getName());
}
private void deleteTaskFile(Course course, VirtualFile removedFile) {
VirtualFile taskDir = removedFile.getParent();
if (taskDir == null || !taskDir.getName().contains("task")) {
return;
}
VirtualFile lessonDir = taskDir.getParent();
if (lessonDir == null || !lessonDir.getName().contains("lesson")) {
return;
}
VirtualFile courseDir = lessonDir.getParent();
if (!courseDir.getName().equals(myProject.getName())) {
return;
}
Lesson lesson = course.getLesson(lessonDir.getName());
if (lesson == null) {
return;
}
Task task = lesson.getTask(taskDir.getName());
if (task == null) {
return;
}
TaskFile taskFile = task.getTaskFile(removedFile.getName());
if (taskFile == null) {
return;
}
String name = CCProjectService.getRealTaskFileName(removedFile.getName());
task.getTaskFiles().remove(name);
}
}
}
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