How to use

LineRange

in

org.eclipse.jface.text.source

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  RevisionRange range= getRange(lineNumber);
  return range == null ? null : new LineRange(lineNumber, 1);
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  RevisionRange range= getRange(lineNumber);
  return range == null ? null : new LineRange(lineNumber, 1);
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  return new LineRange(lineNumber, 1);
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  return new LineRange(lineNumber, 1);
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  return new LineRange(lineNumber, 1);
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  return new LineRange(lineNumber, 1);
}

public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  return new LineRange(lineNumber, 1);
}

/**
 * Register revision
 *
 * @return this revision
 */
public BlameRevision register() {
  addRange(new LineRange(start, lines));
  return this;
}

/**
 * Returns the line coverage of the adjusted ranges, an empty range if the coverage is empty.
 *
 * @return the line coverage of the adjusted ranges
 */
public ILineRange getAdjustedCoverage() {
  if (fAdjusted.isEmpty())
    return new LineRange(fLines.getStartLine(), 0);
  Range first= fAdjusted.get(0);
  Range last= fAdjusted.get(fAdjusted.size() - 1);
  return Range.createAbsolute(first.start(), last.end());
}

/**
 * Returns the line coverage of the adjusted ranges, an empty range if the coverage is empty.
 *
 * @return the line coverage of the adjusted ranges
 */
public ILineRange getAdjustedCoverage() {
  if (fAdjusted.isEmpty())
    return new LineRange(fLines.getStartLine(), 0);
  Range first= fAdjusted.get(0);
  Range last= fAdjusted.get(fAdjusted.size() - 1);
  return Range.createAbsolute(first.start(), last.end());
}

/**
 * Computes the widget lines that need repainting given the clipping region of a paint event.
 *
 * @param event the paint event
 * @return the lines in widget coordinates that need repainting
 */
private ILineRange computeDirtyWidgetLines(PaintEvent event) {
  int firstLine= fStyledText.getLineIndex(event.y);
  int lastLine= fStyledText.getLineIndex(event.y + event.height - 1);
  return new LineRange(firstLine, lastLine - firstLine + 1);
}

/**
 * Computes the widget lines that need repainting given the clipping region of a paint event.
 *
 * @param event the paint event
 * @return the lines in widget coordinates that need repainting
 */
private ILineRange computeDirtyWidgetLines(PaintEvent event) {
  int firstLine= fStyledText.getLineIndex(event.y);
  int lastLine= fStyledText.getLineIndex(event.y + event.height - 1);
  return new LineRange(firstLine, lastLine - firstLine + 1);
}

/**
 * Returns the range of lines that is visible in the viewer, including any partially visible
 * lines.
 *
 * @param viewer the viewer
 * @return the range of lines that is visible in the viewer, <code>null</code> if no lines are
 *         visible
 */
public static ILineRange getVisibleModelLines(ITextViewer viewer) {
  int top= getPartialTopIndex(viewer);
  int bottom= getPartialBottomIndex(viewer);
  if (top == -1 || bottom == -1)
    return null;
  return new LineRange(top, bottom - top + 1);
}

/**
 * Returns the range of lines that is visible in the viewer, including any partially visible
 * lines.
 *
 * @param viewer the viewer
 * @return the range of lines that is visible in the viewer, <code>null</code> if no lines are
 *         visible
 */
public static ILineRange getVisibleModelLines(ITextViewer viewer) {
  int top= getPartialTopIndex(viewer);
  int bottom= getPartialBottomIndex(viewer);
  if (top == -1 || bottom == -1)
    return null;
  return new LineRange(top, bottom - top + 1);
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  IDocument document= viewer.getDocument();
  if (document != null) {
    Point range= computeLineRange(viewer, lineNumber, 0, Math.max(0, document.getNumberOfLines() - 1));
    if (range.x != -1 && range.y != -1)
      return new LineRange(range.x, range.y - range.x + 1);
  }
  return null;
}

@Override
public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
  IDocument document= viewer.getDocument();
  if (document != null) {
    Point range= computeLineRange(viewer, lineNumber, 0, Math.max(0, document.getNumberOfLines() - 1));
    if (range.x != -1 && range.y != -1)
      return new LineRange(range.x, range.y - range.x + 1);
  }
  return null;
}

private ILineRange getLineRange(IDocument document, ITextSelection selection) throws BadLocationException {
  final int offset= selection.getOffset();
  int startLine= document.getLineOfOffset(offset);
  int endOffset= offset + selection.getLength();
  int endLine= document.getLineOfOffset(endOffset);
  final int nLines= endLine - startLine + 1;
  return new LineRange(startLine, nLines);
}

private ILineRange getLineRange(IDocument document, ITextSelection selection) throws BadLocationException {
  final int offset= selection.getOffset();
  int startLine= document.getLineOfOffset(offset);
  int endOffset= offset + selection.getLength();
  int endLine= document.getLineOfOffset(endOffset);
  final int nLines= endLine - startLine + 1;
  return new LineRange(startLine, nLines);
}

private ILineRange getLineRange(IDocument document, ITextSelection selection) throws BadLocationException {
  final int offset= selection.getOffset();
  int startLine= document.getLineOfOffset(offset);
  int endOffset= offset + selection.getLength();
  int endLine= document.getLineOfOffset(endOffset);
  final int nLines= endLine - startLine + 1;
  return new LineRange(startLine, nLines);
}

  private void indent(IDocument document) throws BadLocationException, MalformedTreeException {
    // first line
    int offset= document.getLineOffset(0);
    document.replace(offset, 0, CodeFormatterUtil.createIndentString(fInitialIndentLevel, fProject));
    
    // following lines
    int lineCount= document.getNumberOfLines();
    IndentUtil.indentLines(document, new LineRange(1, lineCount - 1), fProject, null);
  }
}