w_r.java

一份java写的期货交易程序

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   W_R.java

package gnnt.MEBS.HQApplet.Indicator;

import gnnt.MEBS.HQApplet.*;
import java.awt.Graphics;
import java.awt.Rectangle;

// Referenced classes of package gnnt.MEBS.HQApplet.Indicator:
//            IndicatorBase, IndicatorPos

public class W_R extends IndicatorBase
{

    private final int m_iParam[] = {
        14, 6
    };

    public W_R(IndicatorPos pos, int Precision)
    {
        super(pos, Precision);
        m_strIndicatorName = "W%R";
        m_strIndicatorName += "(";
        for(int i = 0; i < m_iParam.length; i++)
        {
            if(i > 0)
                m_strIndicatorName += ",";
            m_strIndicatorName += m_iParam[i];
        }

        m_strIndicatorName += ")";
        m_strParamName = new String[m_iParam.length];
        for(int i = 0; i < m_iParam.length; i++)
            m_strParamName[i] = "WR" + (i + 1);

        m_iPrecision = 2;
    }

    public void Paint(Graphics g, Rectangle rc, KLineData data[])
    {
        super.Paint(g, rc, data);
        Calculate();
        m_max = -1E+038F;
        m_min = 1E+038F;
        for(int i = 0; i < m_iParam.length; i++)
            GetValueMaxMin(m_data[i], m_iParam[i]);

        DrawCoordinate(g, 2);
        for(int i = 0; i < m_iParam.length; i++)
            DrawLine(g, m_data[i], m_iParam[i], HQApplet.rhColor.clIndicator[i]);

    }

    public void Calculate()
    {
        m_data = new float[m_iParam.length][];
        if(m_kData == null || m_kData.length <= 0)
            return;
        for(int i = 0; i < m_iParam.length; i++)
        {
            m_data[i] = new float[m_kData.length];
            GetW_R(m_iParam[i], m_data[i]);
        }

    }

    private void GetW_R(int n, float wms[])
    {
        if(n > m_kData.length || n < 1)
            return;
        for(int i = n - 1; i < m_kData.length; i++)
        {
            float maxhigh = m_kData[i].highPrice;
            float minlow = m_kData[i].lowPrice;
            for(int j = i - 1; j > i - n; j--)
            {
                maxhigh = Math.max(maxhigh, m_kData[j].highPrice);
                minlow = Math.min(minlow, m_kData[j].lowPrice);
            }

            if(maxhigh - minlow == 0.0F)
            {
                if(i - 1 == 0)
                    wms[i] = -50F;
                else
                    wms[i] = wms[i - 1];
            } else
            {
                wms[i] = (-(maxhigh - m_kData[i].closePrice) / (maxhigh - minlow)) * 100F;
            }
        }

    }
}