Java Code Examples for com.intellij.openapi.editor.actionSystem.EditorActionHandler#execute()

@Override
public Result preprocessEnter(
    @NotNull PsiFile psiFile,
    @NotNull Editor editor,
    @NotNull Ref<Integer> caretOffset,
    @NotNull Ref<Integer> caretOffsetChange,
    @NotNull DataContext dataContext,
    @Nullable EditorActionHandler originalHandler) {
  if (psiFile instanceof SoyFile && isBetweenSiblingTags(psiFile, caretOffset.get())) {
    if (originalHandler != null) {
      originalHandler.execute(editor, dataContext);
    }
    return Result.Default;
  }
  return Result.Continue;
}
 

@RequiredWriteAction
@Override
public void executeWriteAction(@Nonnull Editor editor, Caret caret, DataContext dataContext) {
  final Document document = editor.getDocument();
  final int caretOffset = editor.getCaretModel().getOffset();
  if (caretOffset < 1) {
    return;
  }

  final SelectionModel selectionModel = editor.getSelectionModel();
  final CharSequence text = document.getCharsSequence();
  final char c = text.charAt(caretOffset - 1);
  if (!selectionModel.hasSelection() && StringUtil.isWhiteSpace(c)) {
    int startOffset = CharArrayUtil.shiftBackward(text, caretOffset - 2, "\t \n") + 1;
    document.deleteString(startOffset, caretOffset);
  }
  else {
    final EditorActionHandler handler = EditorActionManager.getInstance().getActionHandler(IdeActions.ACTION_EDITOR_BACKSPACE);
    handler.execute(editor, caret, dataContext);
  }
}
 

public Result preprocessEnter(@NotNull final PsiFile file, @NotNull final Editor editor, @NotNull final Ref<Integer> caretOffset, @NotNull final Ref<Integer> caretAdvance,
                              @NotNull final DataContext dataContext, final EditorActionHandler originalHandler) {
  /**
   * if we are between open and close tags, we ensure the caret ends up in the "logical" place on Enter.
   * i.e. "{#foo}<caret>{/foo}" becomes the following on Enter:
   *
   * {#foo}
   * <caret>
   * {/foo}
   *
   * (Note: <caret> may be indented depending on formatter settings.)
   */
  if (file instanceof DustFile
      && isBetweenHbTags(editor, file, caretOffset.get())) {
    originalHandler.execute(editor, dataContext);
    return Result.Default;
  }
  return Result.Continue;
}
 

@Override
public Result preprocessEnter(
    PsiFile file,
    Editor editor,
    Ref<Integer> caretOffset,
    Ref<Integer> caretAdvance,
    DataContext dataContext,
    EditorActionHandler originalHandler) {
  int offset = caretOffset.get();
  if (editor instanceof EditorWindow) {
    file = InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file);
    editor = InjectedLanguageUtil.getTopLevelEditor(editor);
    offset = editor.getCaretModel().getOffset();
  }
  if (!isApplicable(file, dataContext) || !insertIndent(file, offset)) {
    return Result.Continue;
  }
  int indent = SectionParser.INDENT;

  editor.getCaretModel().moveToOffset(offset);
  Document doc = editor.getDocument();
  PsiDocumentManager.getInstance(file.getProject()).commitDocument(doc);

  originalHandler.execute(editor, editor.getCaretModel().getCurrentCaret(), dataContext);
  LogicalPosition position = editor.getCaretModel().getLogicalPosition();
  if (position.column < indent) {
    String spaces = StringUtil.repeatSymbol(' ', indent - position.column);
    doc.insertString(editor.getCaretModel().getOffset(), spaces);
  }
  editor.getCaretModel().moveToLogicalPosition(new LogicalPosition(position.line, indent));
  return Result.Stop;
}
 

@Override
public void selectWordAtCaret(final boolean honorCamelWordsSettings) {
  removeSelection();

  EditorActionHandler handler = EditorActionManager.getInstance().getActionHandler(
          IdeActions.ACTION_EDITOR_SELECT_WORD_AT_CARET);
  handler.execute(myEditor, null, DataManager.getInstance().getDataContext(myEditor.getComponent()));
}
 

@Override
public Result preprocessEnter(
    PsiFile file,
    Editor editor,
    Ref<Integer> caretOffset,
    Ref<Integer> caretAdvance,
    DataContext dataContext,
    EditorActionHandler originalHandler) {
  int offset = caretOffset.get();
  if (editor instanceof EditorWindow) {
    file = InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file);
    editor = InjectedLanguageUtil.getTopLevelEditor(editor);
    offset = editor.getCaretModel().getOffset();
  }
  if (!isApplicable(file, dataContext)) {
    return Result.Continue;
  }

  // Previous enter handler's (e.g. EnterBetweenBracesHandler) can introduce a mismatch
  // between the editor's caret model and the offset we've been provided with.
  editor.getCaretModel().moveToOffset(offset);

  Document doc = editor.getDocument();
  PsiDocumentManager.getInstance(file.getProject()).commitDocument(doc);

  // #api173: get file, language specific settings instead
  CodeStyleSettings settings = CodeStyleSettingsManager.getSettings(file.getProject());
  Integer indent = determineIndent(file, editor, offset, settings);
  if (indent == null) {
    return Result.Continue;
  }

  removeTrailingWhitespace(doc, file, offset);
  originalHandler.execute(editor, editor.getCaretModel().getCurrentCaret(), dataContext);
  LogicalPosition position = editor.getCaretModel().getLogicalPosition();
  if (position.column == indent) {
    return Result.Stop;
  }
  if (position.column > indent) {
    // default enter handler has added too many spaces -- remove them
    int excess = position.column - indent;
    doc.deleteString(
        editor.getCaretModel().getOffset() - excess, editor.getCaretModel().getOffset());
  } else if (position.column < indent) {
    String spaces = StringUtil.repeatSymbol(' ', indent - position.column);
    doc.insertString(editor.getCaretModel().getOffset(), spaces);
  }
  editor.getCaretModel().moveToLogicalPosition(new LogicalPosition(position.line, indent));
  return Result.Stop;
}
 

public static void performPaste(Editor editor) {
  EditorActionManager actionManager = EditorActionManager.getInstance();
  EditorActionHandler actionHandler = actionManager.getActionHandler(IdeActions.ACTION_EDITOR_PASTE);
  actionHandler.execute(editor, DataManager.getInstance().getDataContext());
}
 

protected void caretUp() {
  EditorActionManager actionManager = EditorActionManager.getInstance();
  EditorActionHandler action = actionManager.getActionHandler(IdeActions.ACTION_EDITOR_MOVE_CARET_UP);
  action.execute(getEditor(), DataManager.getInstance().getDataContext());
}
 

protected void deleteLine() {
  EditorActionManager actionManager = EditorActionManager.getInstance();
  EditorActionHandler action = actionManager.getActionHandler(IdeActions.ACTION_EDITOR_DELETE_LINE);
  action.execute(getEditor(), DataManager.getInstance().getDataContext());
}
 

@Override
public Result preprocessEnter(@Nonnull final PsiFile file, @Nonnull final Editor editor, @Nonnull final Ref<Integer> caretOffsetRef, @Nonnull final Ref<Integer> caretAdvance,
                              @Nonnull final DataContext dataContext, final EditorActionHandler originalHandler) {
  Document document = editor.getDocument();
  CharSequence text = document.getCharsSequence();
  int caretOffset = caretOffsetRef.get().intValue();
  if (!CodeInsightSettings.getInstance().SMART_INDENT_ON_ENTER) {
    return Result.Continue;
  }

  int prevCharOffset = CharArrayUtil.shiftBackward(text, caretOffset - 1, " \t");
  int nextCharOffset = CharArrayUtil.shiftForward(text, caretOffset, " \t");

  if (!isValidOffset(prevCharOffset, text) || !isValidOffset(nextCharOffset, text) ||
      !isBracePair(text.charAt(prevCharOffset), text.charAt(nextCharOffset))) {
    return Result.Continue;
  }

  PsiDocumentManager.getInstance(file.getProject()).commitDocument(editor.getDocument());
  if (file.findElementAt(prevCharOffset) == file.findElementAt(nextCharOffset)) {
    return Result.Continue;
  }

  final int line = document.getLineNumber(caretOffset);
  final int start = document.getLineStartOffset(line);
  final CodeDocumentationUtil.CommentContext commentContext =
          CodeDocumentationUtil.tryParseCommentContext(file, text, caretOffset, start);

  // special case: enter inside "()" or "{}"
  String indentInsideJavadoc = isInComment(caretOffset, file) && commentContext.docAsterisk
                               ? CodeDocumentationUtil.getIndentInsideJavadoc(document, caretOffset)
                               : null;

  originalHandler.execute(editor, editor.getCaretModel().getCurrentCaret(), dataContext);

  Project project = editor.getProject();
  if (indentInsideJavadoc != null && project != null && CodeStyleSettingsManager.getSettings(project).JD_LEADING_ASTERISKS_ARE_ENABLED) {
    document.insertString(editor.getCaretModel().getOffset(), "*" + indentInsideJavadoc);
  }

  PsiDocumentManager.getInstance(file.getProject()).commitDocument(document);
  try {
    CodeStyleManager.getInstance(file.getProject()).adjustLineIndent(file, editor.getCaretModel().getOffset());
  }
  catch (IncorrectOperationException e) {
    LOG.error(e);
  }
  return indentInsideJavadoc == null ? Result.Continue : Result.DefaultForceIndent;
}
 

@Override
public Result preprocessEnter(@Nonnull PsiFile file,
                              @Nonnull Editor editor,
                              @Nonnull Ref<Integer> caretOffset,
                              @Nonnull Ref<Integer> caretAdvance,
                              @Nonnull DataContext dataContext,
                              EditorActionHandler originalHandler) {
  if (!CodeInsightSettings.getInstance().SMART_INDENT_ON_ENTER) {
    return Result.Continue;
  }

  Document document = editor.getDocument();
  CharSequence text = document.getCharsSequence();
  int line = document.getLineNumber(caretOffset.get());
  int start = document.getLineStartOffset(line);
  int end = document.getLineEndOffset(line);

  CodeDocumentationUtil.CommentContext commentContext = CodeDocumentationUtil.tryParseCommentContext(file, text, caretOffset.get(), start);
  if (!commentContext.docAsterisk) {
    return Result.Continue;
  }

  Context context = parse(text, start, end, caretOffset.get());
  if (!context.shouldGenerateLine()) {
    return context.shouldIndent() ? Result.DefaultForceIndent : Result.Continue;
  }

  String indentInsideJavadoc = CodeDocumentationUtil.getIndentInsideJavadoc(document, caretOffset.get());

  boolean restoreCaret = false;
  if (caretOffset.get() != context.endTagStartOffset) {
    editor.getCaretModel().moveToOffset(context.endTagStartOffset);
    restoreCaret = true;
  }

  originalHandler.execute(editor, dataContext);
  Project project = editor.getProject();
  if (indentInsideJavadoc != null && project != null && CodeStyleSettingsManager.getSettings(project).JD_LEADING_ASTERISKS_ARE_ENABLED) {
    document.insertString(editor.getCaretModel().getOffset(), "*" + indentInsideJavadoc);
  }

  if (restoreCaret) {
    editor.getCaretModel().moveToOffset(caretOffset.get());
  }

  return Result.DefaultForceIndent;
}
 

@RequiredWriteAction
@Override
public void executeWriteAction(Editor editor, Caret caret, DataContext dataContext) {
  Project project = dataContext.getData(CommonDataKeys.PROJECT);
  if (project == null || editor.isOneLineMode()) {
    plainEnter(editor, caret, dataContext);
    return;
  }

  LookupManager.getInstance(project).hideActiveLookup();

  TemplateState state = TemplateManagerImpl.getTemplateState(editor);
  if (state != null) {
    state.gotoEnd();
  }

  final int caretOffset = editor.getCaretModel().getOffset();

  PsiFile psiFile = PsiUtilBase.getPsiFileInEditor(editor, project);
  if (psiFile == null) {
    plainEnter(editor, caret, dataContext);
    return;
  }

  if (EnterAfterUnmatchedBraceHandler.isAfterUnmatchedLBrace(editor, caretOffset, psiFile.getFileType())) {
    EditorActionHandler enterHandler = EditorActionManager.getInstance().getActionHandler(IdeActions.ACTION_EDITOR_ENTER);
    enterHandler.execute(editor, caret, dataContext);
    return;
  }

  final Language language = PsiUtilBase.getLanguageInEditor(editor, project);
  boolean processed = false;
  if (language != null) {
    final List<SmartEnterProcessor> processors = SmartEnterProcessors.INSTANCE.allForLanguage(language);
    if (!processors.isEmpty()) {
      for (SmartEnterProcessor processor : processors) {
        if (processor.process(project, editor, psiFile)) {
          processed = true;
          break;
        }
      }
    }
  }
  if (!processed) {
    plainEnter(editor, caret, dataContext);
  }
}