Java Code Examples for com.intellij.openapi.fileEditor.FileDocumentManager#getFile()

@Override
public void actionPerformed(@NotNull final AnActionEvent event) {
  Project project = event.getProject();
  final Editor editor = event.getData(CommonDataKeys.EDITOR);
  if (project == null || editor == null) return;
  Document document = editor.getDocument();
  FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
  VirtualFile virtualFile = fileDocumentManager.getFile(document);
  ProjectFileIndex projectFileIndex = ProjectRootManager.getInstance(project).getFileIndex();
  if (virtualFile != null) {
    Module module = projectFileIndex.getModuleForFile(virtualFile);
    String moduleName;
    moduleName = module != null ? module.getName() : "No module defined for file";

    VirtualFile moduleContentRoot = projectFileIndex.getContentRootForFile(virtualFile);
    boolean isLibraryFile = projectFileIndex.isLibraryClassFile(virtualFile);
    boolean isInLibraryClasses = projectFileIndex.isInLibraryClasses(virtualFile);
    boolean isInLibrarySource = projectFileIndex.isInLibrarySource(virtualFile);
    Messages.showInfoMessage("Module: " + moduleName + "\n" +
                             "Module content root: " + moduleContentRoot + "\n" +
                             "Is library file: " + isLibraryFile + "\n" +
                             "Is in library classes: " + isInLibraryClasses +
                             ", Is in library source: " + isInLibrarySource,
                             "Main File Info for" + virtualFile.getName());
  }
}
 

@Override
public void documentChanged(DocumentEvent event) {
  Document document = event.getDocument();
  FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
  VirtualFile file = fileDocumentManager.getFile(document);
  if (file == null) {
    return;
  }

  String path = ExternalSystemApiUtil.getLocalFileSystemPath(file);
  for (MyEntry entry : myAutoImportAware) {
    if (entry.aware.getAffectedExternalProjectPath(path, myProject) != null) {
      // Document save triggers VFS event but FileDocumentManager might be registered after the current listener, that's why
      // call to 'saveDocument()' might not produce the desired effect. That's why we reschedule document save if necessary.
      scheduleDocumentSave(document);
      return;
    }
  } 
}
 

private boolean processKeyTyped(char c) {

    if (ProgressManager.getInstance().hasModalProgressIndicator()) {
      return false;
    }
    FileDocumentManager manager = FileDocumentManager.getInstance();
    final VirtualFile file = manager.getFile(myDocument);
    if (file != null && !file.isValid()) {
      return false;
    }

    DataContext context = getDataContext();

    Graphics graphics = GraphicsUtil.safelyGetGraphics(myEditorComponent);
    if (graphics != null) { // editor component is not showing
      PaintUtil.alignTxToInt((Graphics2D)graphics, PaintUtil.insets2offset(getInsets()), true, false, RoundingMode.CEIL);
      processKeyTypedImmediately(c, graphics, context);
      graphics.dispose();
    }

    ActionManagerEx.getInstanceEx().fireBeforeEditorTyping(c, context);
    EditorUIUtil.hideCursorInEditor(this);
    processKeyTypedNormally(c, context);

    return true;
  }
 

@Override
public void visibleAreaChanged(VisibleAreaEvent visibleAreaEvent) {
    final FileDocumentManager instance = FileDocumentManager.getInstance();
    final VirtualFile file = instance.getFile(visibleAreaEvent.getEditor().getDocument());
    if (file != null) {
        GTMRecord.record(file.getPath(), visibleAreaEvent.getEditor().getProject());
    }
}
 

@Override
public void mousePressed(EditorMouseEvent editorMouseEvent) {
    final FileDocumentManager instance = FileDocumentManager.getInstance();
    final VirtualFile file = instance.getFile(editorMouseEvent.getEditor().getDocument());
    if (file != null) {
        GTMRecord.record(file.getPath(), editorMouseEvent.getEditor().getProject());
    }
}
 

@Override
public void documentChanged(DocumentEvent documentEvent) {
    Document document = documentEvent.getDocument();
    FileDocumentManager instance = FileDocumentManager.getInstance();
    VirtualFile file = instance.getFile(document);
    WakaTime.appendHeartbeat(file, WakaTime.getProject(document), false);
}
 

@Override
public void visibleAreaChanged(VisibleAreaEvent visibleAreaEvent) {
    FileDocumentManager instance = FileDocumentManager.getInstance();
    VirtualFile file = instance.getFile(visibleAreaEvent.getEditor().getDocument());
    Project project = visibleAreaEvent.getEditor().getProject();
    WakaTime.appendHeartbeat(file, project, false);
}
 

@Override
public void mousePressed(EditorMouseEvent editorMouseEvent) {
    FileDocumentManager instance = FileDocumentManager.getInstance();
    VirtualFile file = instance.getFile(editorMouseEvent.getEditor().getDocument());
    Project project = editorMouseEvent.getEditor().getProject();
    WakaTime.appendHeartbeat(file, project, false);
}
 

private void beforeChangedUpdate(DocumentEvent event, DelayedExceptions exceptions) {
  Application app = ApplicationManager.getApplication();
  if (app != null) {
    FileDocumentManager manager = FileDocumentManager.getInstance();
    VirtualFile file = manager.getFile(this);
    if (file != null && !file.isValid()) {
      LOG.error("File of this document has been deleted: " + file);
    }
  }
  assertInsideCommand();

  getLineSet(); // initialize line set to track changed lines

  if (!ShutDownTracker.isShutdownHookRunning()) {
    DocumentListener[] listeners = getListeners();
    for (int i = listeners.length - 1; i >= 0; i--) {
      try {
        listeners[i].beforeDocumentChange(event);
      }
      catch (Throwable e) {
        exceptions.register(e);
      }
    }
  }

  myEventsHandling = true;
}
 

@Override
public void beforeDocumentSaving(Document document) {
    FileDocumentManager instance = FileDocumentManager.getInstance();
    VirtualFile file = instance.getFile(document);
    WakaTime.appendHeartbeat(file, WakaTime.getProject(document), true);
}
 

private void strip(@Nonnull final Document document) {
  if (!document.isWritable()) return;
  FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
  VirtualFile file = fileDocumentManager.getFile(document);
  if (file == null || !file.isValid() || Boolean.TRUE.equals(DISABLE_FOR_FILE_KEY.get(file))) return;

  final EditorSettingsExternalizable settings = EditorSettingsExternalizable.getInstance();
  if (settings == null) return;

  final String overrideStripTrailingSpacesData = file.getUserData(OVERRIDE_STRIP_TRAILING_SPACES_KEY);
  final Boolean overrideEnsureNewlineData = file.getUserData(OVERRIDE_ENSURE_NEWLINE_KEY);
  @EditorSettingsExternalizable.StripTrailingSpaces
  String stripTrailingSpaces = overrideStripTrailingSpacesData != null ? overrideStripTrailingSpacesData : settings.getStripTrailingSpaces();
  final boolean doStrip = !stripTrailingSpaces.equals(EditorSettingsExternalizable.STRIP_TRAILING_SPACES_NONE);
  final boolean ensureEOL = overrideEnsureNewlineData != null ? overrideEnsureNewlineData.booleanValue() : settings.isEnsureNewLineAtEOF();

  if (doStrip) {
    final boolean inChangedLinesOnly = !stripTrailingSpaces.equals(EditorSettingsExternalizable.STRIP_TRAILING_SPACES_WHOLE);
    boolean success = strip(document, inChangedLinesOnly, settings.isKeepTrailingSpacesOnCaretLine());
    if (!success) {
      myDocumentsToStripLater.add(document);
    }
  }

  final int lines = document.getLineCount();
  if (ensureEOL && lines > 0) {
    final int start = document.getLineStartOffset(lines - 1);
    final int end = document.getLineEndOffset(lines - 1);
    if (start != end) {
      final CharSequence content = document.getCharsSequence();
      ApplicationManager.getApplication().runWriteAction(new DocumentRunnable(document, null) {
        @Override
        public void run() {
          CommandProcessor.getInstance().runUndoTransparentAction(() -> {
            if (CharArrayUtil.containsOnlyWhiteSpaces(content.subSequence(start, end)) && doStrip) {
              document.deleteString(start, end);
            }
            else {
              document.insertString(end, "\n");
            }
          });
        }
      });
    }
  }
}