TGLyricImpl.java

package org.herac.tuxguitar.gui.editors.tab;

import org.herac.tuxguitar.gui.editors.TGPainter;
import org.herac.tuxguitar.gui.editors.tab.layout.ViewLayout;
import org.herac.tuxguitar.song.models.TGLyric;

public class TGLyricImpl extends TGLyric {

  private int height = 0;
  private int nextIndex = 0;

  public int getHeight() {
    return this.height;
  }

  public void paintCurrentNoteBeats(TGPainter painter, ViewLayout layout,
      TGMeasureImpl currentMeasure, int fromX, int fromY) {
    int from = currentMeasure.getLyricBeatIndex();
    String[] beats = getLyricBeats();
    if (beats != null && from >= 0 && from < beats.length) {
      int beatIndex = 0;
      for (int i = 0; i < currentMeasure.countBeats(); i++) {
        TGBeatImpl beat = (TGBeatImpl) currentMeasure.getBeat(i);
        if (!beat.isRestBeat()) {
          if ((from + beatIndex) < beats.length) {
            String str = beats[from + beatIndex].trim();
            if (str.length() > 0) {
              int x = (fromX + beat.getPosX() + beat.getSpacing() + 2);
              layout.setLyricStyle(painter, (layout.isPlayModeEnabled() && beat
                  .isPlaying(layout)));
              painter.drawString(str, x + 13, (fromY + currentMeasure.getTs()
                  .getPosition(TGTrackSpacing.POSITION_LYRIC)));
            }
          }
          beatIndex++;
        }
      }
    }
  }

  public void setCurrentMeasure(TGMeasureImpl measure) {
    if (measure.getNumber() >= getFrom()) {
      measure.setLyricBeatIndex(this.nextIndex);
      this.nextIndex += (measure.getNotEmptyBeats());
    } else {
      measure.setLyricBeatIndex(-1);
      this.start();
    }
  }

  @Override
  public void setFrom(int from) {
    super.setFrom(from);
    this.update();
  }

  @Override
  public void setLyrics(String lyrics) {
    super.setLyrics(lyrics);
    this.update();
  }

  public void start() {
    this.start(0);
  }

  public void start(int index) {
    this.nextIndex = index;
  }

  private void update() {
    this.height = (this.getLyrics().isEmpty() ? 0 : 10);
  }

  @Override
  public TGLyric clone() {
    final TGLyricImpl result = new TGLyricImpl();
    
    result.setFrom(this.getFrom());
    result.setLyrics(this.getLyrics());
    
    result.height = this.height;
    result.nextIndex = this.nextIndex;
    
    return result;
  }
}