label - シンボル軸上の JFreechart 複数行ラベルまたはチャートを整列させるその他の方法

Question

私はたくさんのチャートを持っていますが、それぞれが異なる JInternalFrame にあります:

ただし、横軸は同じポイント (おそらく赤い線) に揃える必要があります。問題は、ラベルのスペースが jFreechart によって自動的に設定されることです。

そこで、複数行の目盛りラベルの解決策を見つけようとしました。私はこれを見つけました：

  int optionsCount = state.getStatusOptions().toArray().length;
  String[] grade = new String[optionsCount + 1];
  grade[0] = "";
  for (int x = 1; x < optionsCount + 1; x++) {

         //grade[x] ="blaa"+x;//state.getStatusOptions().get(x - 1);
         //grade[x]="1.line\n2.line\n3.line";
           grade[x] = newLineString(state.getStatusOptions().get(x - 1), 5);
  }
  // grade[1]="1.line\n2.line";



  SymbolAxis rangeAxis;

  rangeAxis = new SymbolAxis("", grade){

                        @Override
                        protected Rectangle2D getLabelEnclosure(Graphics2D g2, RectangleEdge edge) {
                             Rectangle2D l = super.getLabelEnclosure(g2, edge);
                            l.setRect(l.getX(),l.getY(),l.getWidth()*0.5,l.getHeight());
                            return l;
                        }



             @Override
             protected AxisState drawTickMarksAndLabels(Graphics2D g2, double cursor, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge) {
                 AxisState state = new AxisState(cursor);

                 if (isAxisLineVisible()) {
                     drawAxisLine(g2, cursor, dataArea, edge);
                 }

                 double ol = getTickMarkOutsideLength();
                 double il = getTickMarkInsideLength();

                 List ticks = refreshTicks(g2, state, dataArea, edge);
                 state.setTicks(ticks);
                 g2.setFont(getTickLabelFont());
                 Iterator iterator = ticks.iterator();

                 // remember the max number of lines used in any label
                 int maxLinesUsed = 0;

                 while (iterator.hasNext()) {
                     ValueTick tick = (ValueTick) iterator.next();
                     if (isTickLabelsVisible()) {
                         g2.setPaint(getTickLabelPaint());
                         float[] anchorPoint = calculateAnchorPoint(tick, cursor, dataArea, edge);


                         g2.draw(plotArea);
                         g2.setPaint(Color.green);
                         g2.draw(dataArea);
                         g2.setPaint(getTickLabelPaint());
                         // split by "\n" and draw text in a new line for each result
                         String tickText = tick.getText();
                         int line = 1;
                         for (String tickTextLine : tickText.split("\n")) {
                             float x = anchorPoint[0];
                             // one row down...
                             float y = anchorPoint[1] + line * g2.getFont().getSize();
                             TextUtilities.drawRotatedString(tickTextLine, g2, x, y, tick.getTextAnchor(), tick.getAngle(), tick
                                     .getRotationAnchor());
                             line++;
                         }
                         // if we used more lines than any time before remember it
                         if (line > maxLinesUsed) {
                             maxLinesUsed = line;
                         }
                     }

                     if (isTickMarksVisible() && tick.getTickType().equals(TickType.MAJOR)) {
                         float xx = (float) valueToJava2D(tick.getValue(), dataArea, edge);
                         Line2D mark = null;
                         g2.setStroke(getTickMarkStroke());
                         g2.setPaint(getTickMarkPaint());
                         if (edge == RectangleEdge.LEFT) {
                             mark = new Line2D.Double(cursor - ol, xx, cursor + il, xx);
                         } else if (edge == RectangleEdge.RIGHT) {
                             mark = new Line2D.Double(cursor + ol, xx, cursor - il, xx);
                         } else if (edge == RectangleEdge.TOP) {
                             mark = new Line2D.Double(xx, cursor - ol, xx, cursor + il);
                         } else if (edge == RectangleEdge.BOTTOM) {
                             mark = new Line2D.Double(xx, cursor + ol, xx, cursor - il);
                         }
                         g2.draw(mark);
                     }
                 }

                 // need to work out the space used by the tick labels...
                 // so we can update the cursor...
                 // patched using maxLinesUsed => we need more space because of multiple lines
                 double used = 0.0;
                 if (isTickLabelsVisible()) {
                     if (edge == RectangleEdge.LEFT) {
                         used += findMaximumTickLabelWidth(ticks, g2, plotArea, isVerticalTickLabels()) * maxLinesUsed;
                         state.cursorLeft(used);
                     } else if (edge == RectangleEdge.RIGHT) {
                         used = findMaximumTickLabelWidth(ticks, g2, plotArea, isVerticalTickLabels()) * maxLinesUsed;
                         state.cursorRight(used);
                     } else if (edge == RectangleEdge.TOP) {
                         used = findMaximumTickLabelHeight(ticks, g2, plotArea, isVerticalTickLabels()) * maxLinesUsed;
                         state.cursorUp(used);
                     } else if (edge == RectangleEdge.BOTTOM) {
                         used = findMaximumTickLabelHeight(ticks, g2, plotArea, isVerticalTickLabels()) * maxLinesUsed;
                         state.cursorDown(used);
                     }
                 }

                 return state;


             }

         };

上の図でわかるように、改行機能は機能しますが、ラベルの間隔は機能しません。getLabelEnclosure メソッドをオーバーライドしようとしましたが、指定された文字列は "" です。

私の問題の解決策を知っている人はいますか。グラフを整列するためのマルチラインまたはその他の方法のいずれか?

ありがとう！