import com.intellij.codeInsight.editorActions.ExtendWordSelectionHandlerBase; //导入依赖的package包/类
@Override
public List<TextRange> select(PsiElement e, CharSequence editorText, int cursorOffset, Editor editor) {
  final GrDocCommentOwner owner;
  final GrDocComment doc;
  if (e instanceof GrDocComment) {
    doc = (GrDocComment)e;
    owner = GrDocCommentUtil.findDocOwner(doc);
  }
  else {
    owner = (GrDocCommentOwner)e;
    doc = GrDocCommentUtil.findDocComment(owner);
  }

  if (doc == null || owner == null) return Collections.emptyList();

  final TextRange range = new TextRange(doc.getTextRange().getStartOffset(), owner.getTextRange().getEndOffset());
  return ExtendWordSelectionHandlerBase.expandToWholeLine(editorText, range, true);
}
 

import com.intellij.codeInsight.editorActions.ExtendWordSelectionHandlerBase; //导入依赖的package包/类
@Override
public List<TextRange> select(PsiElement e, CharSequence editorText, int cursorOffset, Editor editor) {
  final TextRange originalRange = e.getTextRange();
  LOG.assertTrue(originalRange.getEndOffset() <= editorText.length(), getClass() + "; " + e);

  List<TextRange> ranges;
  if (isSeparateStatement(e)) {
    ranges = ExtendWordSelectionHandlerBase.expandToWholeLine(editorText, originalRange, true);
    if (ranges.size() == 1 && ranges.contains(originalRange)) {
      ranges = ExtendWordSelectionHandlerBase.expandToWholeLine(editorText, originalRange, false);
    }
  }
  else {
    ranges = new ArrayList<TextRange>();
    ranges.add(e.getTextRange());
  }

  SelectWordUtil.addWordSelection(editor.getSettings().isCamelWords(), editorText, cursorOffset, ranges);

  return ranges;
}
 

import com.intellij.codeInsight.editorActions.ExtendWordSelectionHandlerBase; //导入依赖的package包/类
@Override
public List<TextRange> select(PsiElement e, CharSequence editorText, int cursorOffset, Editor editor) {
  TextRange originalRange;

  PsiElement first;
  PsiElement last;
  if (e instanceof GrStatement) {
    first = e;
    PsiElement next = e.getNextSibling();
    next = skipWhitespacesForward(next);
    if (next != null && next.getNode().getElementType() == GroovyTokenTypes.mSEMI) {
      originalRange = new TextRange(e.getTextRange().getStartOffset(), next.getTextRange().getEndOffset());
      last = next;
    }
    else {
      originalRange = e.getTextRange();
      last = e;
    }
  }

  else {
    last = e;
    PsiElement prev = e.getPrevSibling();
    prev = skipWhitespaceBack(prev);
    if (prev instanceof GrStatement) {
      originalRange = new TextRange(prev.getTextRange().getStartOffset(), e.getTextRange().getEndOffset());
      first = prev;
    }
    else {
      originalRange = e.getTextRange();
      first = e;
    }
  }


  final List<TextRange> ranges = ExtendWordSelectionHandlerBase.expandToWholeLine(editorText, originalRange);


  final TextRange blockRange = inferBlockRange(first, last);

  if (!blockRange.equals(originalRange)) {
    ranges.addAll(ExtendWordSelectionHandlerBase.expandToWholeLine(editorText, blockRange, true));
  }

  return ranges;
}