/* Generated by Together */

package SesameGUI;

import java.awt.Graphics2D;
import java.awt.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import java.awt.font.FontRenderContext;

public class AbsoluteHorizontalScale extends HorizontalScale 
	{
	public AbsoluteHorizontalScale(SpectrumView view)
		{
		super(view);
		}

	public void draw(Graphics2D g)
		{
		g.setPaint(Color.gray);

		double iter;
		DoubleWrapper paneStep = new DoubleWrapper();
		DoubleWrapper xOrigin = new DoubleWrapper();

		paneStep.value = getStep();
		xOrigin.value = 0.0;

		real2Pane(paneStep);

		xOrigin.value = getView().getScaleY().getOrigin();
		if (xOrigin.value < 0.0)
			xOrigin.value *= (-1.0);
		else          // PRS
			xOrigin.value = 0.0;

		getView().getScaleY().real2Pane(xOrigin);

		g.draw(new Line2D.Double(getView().getLeftMargin(), xOrigin.value, getView().getRightMargin(), xOrigin.value));

    double pos;
    double realStep;

    realStep = java.lang.Math.round(getStep());
    
    paneStep = new DoubleWrapper();

    while (realStep > 1.0 && (getUpperVisibleBound() - getLowerVisibleBound()) < realStep)
      realStep -= 1.0;

		// draw tickers
		NumberFormat formater = NumberFormat.getNumberInstance();

    formater.setMaximumFractionDigits(1);

		FontRenderContext context = g.getFontRenderContext();

		for (iter = getLowerVisibleBound() - realStep ; iter < getUpperVisibleBound(); iter += realStep)
			{
      double d;

      d = java.lang.Math.round(iter + realStep);

      paneStep.value = d - getLowerVisibleBound();
      real2PaneAbsolute(paneStep);

      if (paneStep.value >= 0.0 && paneStep.value + getView().getLeftMargin() <= getView().getRightMargin())
        {
        pos = paneStep.value + getView().getLeftMargin();
      
        g.draw(new Line2D.Double(pos, xOrigin.value - 2, pos, xOrigin.value));

        g.scale(1.0, -1.0);

        Rectangle2D bounds = g.getFont().getStringBounds(formater.format(d + getOrigOffset()), context);

        // PRS: aqui
        if (isLog())
          {
          bounds = g.getFont().getStringBounds(formater.format(d / getSamplingRate()), context);
          g.drawString(formater.format(getTicker((int) (d / getSamplingRate()))), (int)(pos - (bounds.getWidth() / 2)), (int)((xOrigin.value - 14.0) * (-1.0)));
          }
        else
          g.drawString(formater.format(d + getOrigOffset()), (int)(pos - (bounds.getWidth() / 2)), (int)((xOrigin.value - 14.0) * (-1.0)));

        g.scale(1.0, -1.0);
        }
			}

		g.setPaint(Color.black);

		g.scale(1.0, -1.0);

		Rectangle2D bounds1 = g.getFont().getStringBounds(getLabel(), context);
		g.drawString(getLabel(), (int)(getView().getLeftMargin() + (((getView().getRightMargin() - getView().getLeftMargin()) / 2.0) - (bounds1.getWidth() / 2.0))), -6);

		g.scale(1.0, -1.0);
		}

  public void pane2Real(DoubleWrapper paneCoord)
		{
		setFactor(getLength() / (getView().getRightMargin() - getView().getLeftMargin()));
		paneCoord.value = (paneCoord.value * getFactor()) + getLowerVisibleBound();
		}

	public void real2PaneAbsolute(DoubleWrapper realCoord)
		{
		setFactor(getLength() / (getView().getRightMargin() - getView().getLeftMargin()));
		realCoord.value /= getFactor();
		}

	public void real2Pane(DoubleWrapper realCoord)
		{
		real2PaneAbsolute(realCoord);
		realCoord.value += getView().getLeftMargin();
		}
	}