package SesameGUI;

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

public class VerticalScale extends Scale
	{
	public VerticalScale(SpectrumView view)
		{
		super(view);
		}

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

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

		iter = getLowerVisibleBound();
		paneStep.value = getStep();

		real2PaneAbsolute(paneStep);

		g.draw(new Line2D.Double(getView().getLeftMargin(), getView().getBottomMargin(), getView().getLeftMargin(), getView().getTopMargin()));

		// draw tickers
		pos = getView().getBottomMargin();
		for (iter = getLowerVisibleBound() - getStep(); iter < getUpperVisibleBound(); iter += getStep())
			{
            if (isShowGrid())
                g.draw(new Line2D.Double(getView().getLeftMargin() - 2, pos, getView().getRightMargin(), pos));
            else
				g.draw(new Line2D.Double(getView().getLeftMargin() - 2, pos, getView().getLeftMargin(), pos));

			pos += paneStep.value;
			}

		g.setPaint(Color.black);

    DoubleWrapper xOrigin  = new DoubleWrapper();

		xOrigin.value = getOrigin() * (-1.0);

		real2Pane(xOrigin);
    //xOrigin.value = getView().getBottomMargin() + xOrigin.value;
    g.draw(new Line2D.Double(getView().getLeftMargin(), xOrigin.value, getView().getRightMargin(), xOrigin.value));
		}

	public void pane2Real(DoubleWrapper paneCoord)
		{
		setFactor(getLength() / (getView().getTopMargin() - getView().getBottomMargin()));
		paneCoord.value *= getFactor();
		paneCoord.value += getOrigin();
		}

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

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

	public double getOrigin()
		{
		return getLowerVisibleBound();
		}

	public double getLength()
		{
		return getUpperBound() - getLowerBound();
		}
	}