com.intellij.openapi.editor.actionSystem.EditorActionHandler Java Examples

@Override
@RequiredUIAccess
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)
{
	final int caretOffset = caretOffsetRef.get();
	final Document document = editor.getDocument();
	final PsiElement psiAtOffset = file.findElementAt(caretOffset);
	final PsiElement probablyDocComment = psiAtOffset instanceof PsiWhiteSpace && psiAtOffset.getText().startsWith("\n") ? psiAtOffset.getPrevSibling() : psiAtOffset == null && caretOffset > 0
			&& caretOffset == document.getTextLength() ? file.findElementAt(caretOffset - 1) : psiAtOffset;

	if(probablyDocComment != null && PsiTreeUtil.getParentOfType(probablyDocComment, CSharpDocRoot.class, false) != null)
	{
		document.insertString(caretOffset, DOC_LINE_START + " ");
		caretAdvance.set(4);
		return Result.Default;
	}

	return Result.Continue;
}
 

@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;
}
 

@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) {

  int caretOffset = caretOffsetRef.get();
  if (!isApplicable(file, caretOffset)) {
    return Result.Continue;
  }

  int maxRBraceCount = getMaxRBraceCount(file, editor, caretOffset);
  if (maxRBraceCount > 0) {
    insertRBraces(file, editor,
                  caretOffset,
                  getRBraceOffset(file, editor, caretOffset),
                  generateStringToInsert(editor, caretOffset, maxRBraceCount));
    return Result.DefaultForceIndent;
  }
  return Result.Continue;
}
 

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(@NotNull PsiFile file, @NotNull Editor editor, @NotNull Ref<Integer> caretOffset, @NotNull Ref<Integer> caretAdvance, @NotNull DataContext dataContext, @Nullable EditorActionHandler originalHandler) {
    Project project = editor.getProject();

    if (CodeInsightSettings.getInstance().INSERT_BRACE_ON_ENTER && file instanceof BashFile && project != null) {
        Document document = editor.getDocument();
        CharSequence chars = document.getCharsSequence();

        int offset = caretOffset.get();
        int length = chars.length();

        if (offset < length && offset >= 1 && chars.charAt(offset - 1) == '{') {
            int start = offset + 1;
            int end = offset + 1 + "function".length();

            if (start < length && end < length && "function".contentEquals(chars.subSequence(start, end))) {
                document.insertString(start, "\n");
                PsiDocumentManager.getInstance(project).commitDocument(document);
            }
        }
    }

    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);
  }
}
 

@Override
public Result preprocessEnter(@NotNull PsiFile file,
                              @NotNull Editor editor,
                              @NotNull Ref<Integer> caretOffsetRef,
                              @NotNull Ref<Integer> caretAdvance,
                              @NotNull DataContext dataContext,
                              EditorActionHandler originalHandler) {
    if (!file.getLanguage().is(GraphQLLanguage.INSTANCE)) {
        return Result.Continue;
    }
    return super.preprocessEnter(file, editor, caretOffsetRef, caretAdvance, dataContext, originalHandler);
}
 

@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) {
  int caretOffset = caretOffsetRef.get().intValue();
  PsiElement psiAtOffset = file.findElementAt(caretOffset);
  if (psiAtOffset != null && psiAtOffset.getTextOffset() < caretOffset) {
    ASTNode token = psiAtOffset.getNode();
    Document document = editor.getDocument();
    CharSequence text = document.getText();
    final Language language = psiAtOffset.getLanguage();
    final Commenter languageCommenter = LanguageCommenters.INSTANCE.forLanguage(language);
    final CodeDocumentationAwareCommenter commenter = languageCommenter instanceof CodeDocumentationAwareCommenter
                                                      ? (CodeDocumentationAwareCommenter)languageCommenter:null;
    if (commenter != null && token.getElementType() == commenter.getLineCommentTokenType() ) {
      final int offset = CharArrayUtil.shiftForward(text, caretOffset, " \t");

      if (offset < document.getTextLength() && text.charAt(offset) != '\n') {
        String prefix = commenter.getLineCommentPrefix();
        assert prefix != null: "Line Comment type is set but Line Comment Prefix is null!";
        if (!StringUtil.startsWith(text, offset, prefix)) {
          if (text.charAt(caretOffset) != ' ' && !prefix.endsWith(" ")) {
            prefix += " ";
          }
          document.insertString(caretOffset, prefix);
          return Result.Default;
        }
      }
    }
  }
  return Result.Continue;
}
 

@Override
public Result preprocessEnter(@NotNull PsiFile file, @NotNull Editor editor, @NotNull Ref<Integer> caretOffset, @NotNull Ref<Integer> caretAdvance, @NotNull DataContext dataContext, @Nullable EditorActionHandler originalHandler) {
    if (!(file instanceof BashFile)) {
        return Result.Continue;
    }


    int offset = caretOffset.get();

    // don't wrap at EOL or EOF
    CharSequence content = editor.getDocument().getCharsSequence();
    if (offset >= content.length() || content.charAt(offset) == '\n') {
        return Result.Continue;
    }

    if (PsiDocumentManager.getInstance(file.getProject()).isUncommited(editor.getDocument())) {
        // return early if PSI is not up-to-date to avoid blocking the editor
        // this might result in line-continuations not being inserted while editing
        return Result.Continue;
    }

    PsiElement psi = file.findElementAt(offset);
    if (psi == null || psi.getNode() == null) {
        return Result.Continue;
    }

    boolean isUserTyping = !Boolean.TRUE.equals(DataManager.getInstance().loadFromDataContext(dataContext, AutoHardWrapHandler.AUTO_WRAP_LINE_IN_PROGRESS_KEY));
    if (isUserTyping && !isInString(psi)) {
        return Result.Continue;
    }

    if (offset >= psi.getTextOffset() && psi.getNode().getElementType() != BashTokenTypes.LINE_FEED) {
        EditorModificationUtil.insertStringAtCaret(editor, "\\\n");
        return Result.Stop;
    }

    return Result.Continue;
}
 

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

static void truncatePrefix(final DataContext dataContext, LookupImpl lookup, final EditorActionHandler handler, final int hideOffset, final Caret caret) {
  final Editor editor = lookup.getEditor();
  if (!lookup.performGuardedChange(() -> handler.execute(editor, caret, dataContext))) {
    return;
  }

  final CompletionProgressIndicator process = CompletionServiceImpl.getCurrentCompletionProgressIndicator();
  lookup.truncatePrefix(process == null || !process.isAutopopupCompletion(), hideOffset);
}
 

@Override
public Result preprocessEnter(
    @NotNull PsiFile file,
    @NotNull Editor editor,
    @NotNull Ref<Integer> caretOffsetRef,
    @NotNull Ref<Integer> caretAdvance,
    @NotNull DataContext dataContext,
    EditorActionHandler originalHandler) {
  if (!(file instanceof BuildFile)) {
    return Result.Continue;
  }
  return super.preprocessEnter(
      file, editor, caretOffsetRef, caretAdvance, dataContext, originalHandler);
}
 

@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) || !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;
}
 

protected static void executeAction(@NonNls @Nonnull final String actionId) {
  CommandProcessor.getInstance().executeCommand(getProject(), new Runnable() {
    @Override
    public void run() {
      EditorActionManager actionManager = EditorActionManager.getInstance();
      EditorActionHandler actionHandler = actionManager.getActionHandler(actionId);
      actionHandler.execute(getEditor(), null, DataManager.getInstance().getDataContext());
    }
  }, "", null);
}
 

public TemplateLineEndHandler(final EditorActionHandler originalHandler) {
  super(originalHandler, false, false);
}
 

@Inject
public SelectAllHandler(final EditorActionHandler originalHandler) {
  myOriginalHandler = originalHandler;
}
 

@Inject
public HomeHandler(EditorActionHandler originalHandler){
  myOriginalHandler = originalHandler;
}
 

public TemplateLineEndWithSelectionHandler(final EditorActionHandler originalHandler) {
  super(originalHandler, false, true);
}
 

public EscapeHandler(EditorActionHandler originalHandler) {
  myOriginalHandler = originalHandler;
}
 

public EndHandler(EditorActionHandler originalHandler) {
  super(true);
  myOriginalHandler = originalHandler;
}
 

public TemplateLineStartHandler(final EditorActionHandler originalHandler) {
  super(originalHandler, true, false);
}
 

public JoinLinesHandler(EditorActionHandler originalHandler) {
  super(true);
  myOriginalHandler = originalHandler;
}
 

public EnterHandler(EditorActionHandler originalHandler) {
  super(true);
  myOriginalHandler = originalHandler;
}
 

@Inject
public CopyHandler(final EditorActionHandler originalHandler) {
  myOriginalAction = originalHandler;
}
 

public SelectWordHandler(EditorActionHandler originalHandler) {
  super(true);
  myOriginalHandler = originalHandler;
}
 

@Inject
public CutHandler(EditorActionHandler originalHandler) {
  myOriginalHandler = originalHandler;
}
 

public PasteHandler(EditorActionHandler originalAction) {
  myOriginalHandler = originalAction;
}
 

public BackspaceToWordStartHandler(EditorActionHandler originalHandler) {
  super(originalHandler);
}
 

@Override
public Result preprocessEnter(
        @Nonnull final PsiFile file,
        @Nonnull final Editor editor,
        @Nonnull final Ref<Integer> caretOffset,
        @Nonnull final Ref<Integer> caretAdvance,
        @Nonnull final DataContext dataContext,
        final EditorActionHandler originalHandler)
{
  Result res = shouldSkipWithResult(file, editor, dataContext);
  if (res != null) {
    return res;
  }

  final Document document = editor.getDocument();
  int caret = editor.getCaretModel().getOffset();
  final int lineNumber = document.getLineNumber(caret);

  final int lineStartOffset = document.getLineStartOffset(lineNumber);
  final int previousLineStartOffset = lineNumber > 0 ? document.getLineStartOffset(lineNumber - 1) : lineStartOffset;
  final EditorHighlighter highlighter = ((EditorEx)editor).getHighlighter();
  final HighlighterIterator iterator = highlighter.createIterator(caret - 1);
  final IElementType type = getNonWhitespaceElementType(iterator, lineStartOffset, previousLineStartOffset);

  final CharSequence editorCharSequence = document.getCharsSequence();
  final CharSequence lineIndent =
          editorCharSequence.subSequence(lineStartOffset, EditorActionUtil.findFirstNonSpaceOffsetOnTheLine(document, lineNumber));

  // Enter in line comment
  if (type == myLineCommentType) {
    final String restString = editorCharSequence.subSequence(caret, document.getLineEndOffset(lineNumber)).toString();
    if (!StringUtil.isEmptyOrSpaces(restString)) {
      final String linePrefix = lineIndent + myLineCommentPrefix;
      EditorModificationUtil.insertStringAtCaret(editor, "\n" + linePrefix);
      editor.getCaretModel().moveToLogicalPosition(new LogicalPosition(lineNumber + 1, linePrefix.length()));
      return Result.Stop;
    }
    else if (iterator.getStart() < lineStartOffset) {
      EditorModificationUtil.insertStringAtCaret(editor, "\n" + lineIndent);
      return Result.Stop;
    }
  }

  if (!myWorksWithFormatter && LanguageFormatting.INSTANCE.forLanguage(myLanguage) != null) {
    return Result.Continue;
  }
  else {
    if (myIndentTokens.contains(type)) {
      final String newIndent = getNewIndent(file, document, lineIndent);
      EditorModificationUtil.insertStringAtCaret(editor, "\n" + newIndent);
      return Result.Stop;
    }

    EditorModificationUtil.insertStringAtCaret(editor, "\n" + lineIndent);
    editor.getCaretModel().moveToLogicalPosition(new LogicalPosition(lineNumber + 1, calcLogicalLength(editor, lineIndent)));
    return Result.Stop;
  }
}