groupis.txt

用java实现的数据结构排序算法

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 2005-12-2 11:41:56
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   InsertSort.java

import java.awt.Color;
import java.awt.Graphics;

class groupIS
{

    public groupIS(int i, int j)
    {
        aSize = i;
        initOrder = j;
        theArray = new personIS[aSize + 2];
        if(aSize == 100)
        {
            barWidth = 2;
            barSeparation = 1;
        } else
        {
            barWidth = 18;
            barSeparation = 7;
        }
        inner = outer = 1;
        innerOld = outerOld = 1;
        comps = 0;
        copies = 0;
        doneFlag = false;
        codePart = 1;
        Color color = new Color(0, 0, 0);
        if(initOrder == 1)
        {
            for(int k = 0; k < aSize; k++)
            {
                int i1 = 10 + (int)(Math.random() * 189D);
                int k1 = (int)(Math.random() * 254D);
                int i2 = (int)(Math.random() * 254D);
                int k2 = (int)(Math.random() * 254D);
                Color color1 = new Color(k1, i2, k2);
                theArray[k] = new personIS(i1, color1);
            }

        } else
        {
            for(int l = 0; l < aSize; l++)
            {
                int j1 = 195 - (195 * l) / aSize;
                int l1 = 255 - j1;
                int j2 = 85 * (l % 3);
                int l2 = j1;
                Color color2 = new Color(l1, j2, l2);
                theArray[l] = new personIS(j1, color2);
            }

        }
        theArray[aSize + 1] = new personIS(0, Color.lightGray);
        drawMode = 2;
    }

    public void setDrawMode(int i)
    {
        drawMode = i;
    }

    public int getAppletWidth()
    {
        return 370;
    }

    public int getAppletHeight()
    {
        return 320;
    }

    public boolean getDone()
    {
        return doneFlag;
    }

    public void arrowText(Graphics g, Color color, String s, int i, int j, boolean flag, boolean flag1)
    {
        int k = 35 + i * (barWidth + barSeparation);
        int l = 230 + (j + 1) * 13;
        g.setColor(color);
        if(flag1)
            g.drawString(s, k, l);
        if(flag)
        {
            g.drawLine(k + barWidth / 2, 232, k + barWidth / 2, l - 13);
            g.drawLine(k + barWidth / 2, 232, (k + barWidth / 2) - 3, 237);
            g.drawLine(k + barWidth / 2, 232, k + barWidth / 2 + 3, 237);
        }
    }

    public void drawOneBar(Graphics g, int i)
    {
        if(theArray[i] == null)
        {
            int j = 35 + i * (barWidth + barSeparation);
            g.setColor(Color.lightGray);
            g.fillRect(j, 30, barWidth, 200);
            return;
        } else
        {
            int k = theArray[i].getHeight();
            int l = 35 + i * (barWidth + barSeparation);
            int i1 = 230 - k;
            Color color = theArray[i].getColor();
            g.setColor(Color.lightGray);
            g.fillRect(l, 30, barWidth, 200);
            g.setColor(color);
            g.fill3DRect(l, i1, barWidth, k, true);
            return;
        }
    }

    public void draw(Graphics g)
    {
        if(drawMode != 2)
        {
            switch(codePart)
            {
            case 1: // '\001'
                drawOneBar(g, inner);
                drawOneBar(g, aSize + 1);
                break;

            case 2: // '\002'
                drawOneBar(g, aSize + 1);
                drawOneBar(g, innerOld);
                drawOneBar(g, inner);
                break;

            case 3: // '\003'
                drawOneBar(g, inner);
                drawOneBar(g, aSize + 1);
                break;
            }
        } else
        {
            g.setColor(Color.lightGray);
            g.fillRect(0, 0, 370, 320);
            for(int i = 0; i < aSize; i++)
                drawOneBar(g, i);

            drawOneBar(g, aSize + 1);
        }
        g.setColor(Color.lightGray);
        g.fillRect(0, 0, 135, 32);
        g.setColor(Color.black);
        g.drawString("Comparisons = " + comps, 10, 28);
        g.drawString("Copies = " + copies, 10, 15);
        g.setColor(Color.lightGray);
        g.fillRect(0, 230, 370, 78);
        if(aSize == 10)
        {
            arrowText(g, Color.red, "outer", outer, 1, true, true);
            arrowText(g, Color.blue, "inner", inner, 2, true, true);
            arrowText(g, Color.magenta, "temp", aSize + 1, 1, true, true);
            switch(codePart)
            {
            case 1: // '\001'
                if(doneFlag)
                    arrowText(g, Color.black, "Sort is complete", 0, 3, false, true);
                else
                    arrowText(g, Color.black, "Will copy outer to temp", 0, 3, false, true);
                break;

            case 2: // '\002'
                if(inner > 0)
                    arrowText(g, Color.black, "Have compared inner-1 and temp", 0, 3, false, true);
                else
                    arrowText(g, Color.black, "Now inner is 0, so", 0, 3, false, true);
                if(inner > 0 && theArray[inner - 1].getHeight() >= theArray[aSize + 1].getHeight())
                    arrowText(g, Color.black, "   Will copy inner-1 to inner", 0, 4, false, true);
                else
                    arrowText(g, Color.black, "   No copy necessary", 0, 4, false, true);
                break;

            case 3: // '\003'
                arrowText(g, Color.black, "Will copy temp to inner", 0, 3, false, true);
                break;
            }
        } else
        {
            arrowText(g, Color.red, "xxx", outer, 1, true, false);
            arrowText(g, Color.blue, "xxx", inner, 2, true, false);
            arrowText(g, Color.magenta, "xxx", aSize + 1, 3, true, false);
        }
        drawMode = 2;
    }

    public void sortStep()
    {
        switch(codePart)
        {
        case 1: // '\001'
            theArray[aSize + 1] = theArray[outer];
            theArray[outer] = null;
            copies++;
            innerOld = inner;
            inner = outer;
            codePart = 2;
            return;

        case 2: // '\002'
            comps++;
            if(inner > 0 && theArray[inner - 1].getHeight() >= theArray[aSize + 1].getHeight())
            {
                theArray[inner] = theArray[inner - 1];
                theArray[inner - 1] = null;
                copies++;
                innerOld = inner;
                inner--;
                return;
            } else
            {
                codePart = 3;
                return;
            }

        case 3: // '\003'
            theArray[inner] = theArray[aSize + 1];
            theArray[aSize + 1] = null;
            copies++;
            outerOld = outer;
            outer++;
            if(outer == aSize)
                doneFlag = true;
            codePart = 1;
            return;
        }
    }

    private final int appletWidth = 370;
    private final int appletHeight = 320;
    private final int maxHeight = 200;
    private final int topMargin = 30;
    private final int leftMargin = 10;
    private final int barLeftMargin = 35;
    private final int textHeight = 13;
    private int aSize;
    private personIS theArray[];
    private int barWidth;
    private int barSeparation;
    private int outer;
    private int inner;
    private int outerOld;
    private int innerOld;
    private boolean doneFlag;
    private int codePart;
    private int comps;
    private int copies;
    private int initOrder;
    private Color newColor;
    private int drawMode;
}