linechartapplet.java

一个完整的

// Decompiled by DJ v2.9.9.60 Copyright 2000 Atanas Neshkov  Date: 2002-12-03 18:43:23
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   LineChartApplet.java

package cn.com.fcsoft.chart;

import java.awt.Component;
import java.io.PrintStream;
import java.util.StringTokenizer;
import java.util.Vector;

// Referenced classes of package com.objectplanet.chart:
//            ChartApplet, LineChart, Chart

public class LineChartApplet extends ChartApplet
{

    private int[] getStyleValues(String s)
    {
        int ai[] = null;
        if(s != null)
        {
            StringTokenizer stringtokenizer = new StringTokenizer(s, ",");
            ai = new int[stringtokenizer.countTokens()];
            for(int i = 0; i < ai.length; i++)
            {
                String s1 = stringtokenizer.nextToken().trim().toLowerCase();
                if(s1.equals("circle"))
                    ai[i] = 0;
                else
                if(s1.equals("circle_opaque"))
                    ai[i] = 1;
                else
                if(s1.equals("circle_filled"))
                    ai[i] = 2;
                else
                if(s1.equals("square"))
                    ai[i] = 3;
                else
                if(s1.equals("square_opaque"))
                    ai[i] = 4;
                else
                if(s1.equals("square_filled"))
                    ai[i] = 5;
                else
                if(s1.equals("diamond"))
                    ai[i] = 6;
                else
                if(s1.equals("diamond_opaque"))
                    ai[i] = 7;
                else
                if(s1.equals("diamond_filled"))
                {
                    ai[i] = 8;
                } else
                {
                    ai[i] = 0;
                    System.out.println("Invalid sampleHighlightStyle: " + s1);
                }
            }

        }
        return ai;
    }

    public LineChartApplet()
    {
    }

    protected Chart createChart(String s)
    {
        if(s == null || s.equals(""))
            s = "cn.com.fcsoft.chart.LineChart";
        try
        {
            Class class1 = Class.forName(s);
            LineChart linechart = (LineChart)class1.newInstance();
            linechart.setRange(0, 100D);
            return linechart;
        }
        catch(ClassNotFoundException _ex)
        {
            System.out.println("Class not found: " + s);
        }
        catch(InstantiationException _ex)
        {
            System.out.println("Could not create an instance of the class: " + s);
        }
        catch(IllegalAccessException _ex)
        {
            System.out.println("Illegal access, could not create an instance of class: " + s);
        }
        catch(ClassCastException _ex)
        {
            System.out.println("The class " + s + ", does not extend from com.objectplanet.chart.LineChart");
        }
        return new LineChart(1, 1, 100D);
    }

    private void initParameter(String s, String s1)
    {
        if(s1 != null)
            setParameter(s, s1);
    }

    public void setParameter(String s, String s1)
    {
        if(s == null)
            return;
        s = s.toLowerCase();
        if(s.equals("valuelabelstyle"))
        {
            chart.setValueLabelStyle(0);
            if(s1 != null)
                if(s1.equals("point"))
                    chart.setValueLabelStyle(1);
                else
                if(s1.equals("floating"))
                    chart.setValueLabelStyle(2);
        } else
        if(s.equals("samplelabelson"))
            chart.setSampleLabelsOn(s1 != null && s1.toLowerCase().equals("true"));
        else
        if(s.equals("samplelabelstyle"))
        {
            chart.setSampleLabelStyle(3);
            if(s1 != null && s1.trim().toLowerCase().equals("floating"))
                chart.setSampleLabelStyle(2);
        } else
        if(s.equals("serieslabelson"))
            chart.setSeriesLabelsOn(s1 != null && s1.toLowerCase().equals("true"));
        else
        if(s.equals("autolabelspacingon"))
            chart.setAutoLabelSpacingOn(s1 != null && s1.toLowerCase().equals("true"));
        else
        if(s.equals("serieslineoff"))
        {
            if(s1 != null && s1.trim().toLowerCase().equals("true"))
                chart.setSeriesLineOn(false);
            else
            if(s1 != null && s1.trim().length() > 0)
            {
                chart.setSeriesLineOn(true);
                Double adouble[] = ChartApplet.getDoubleValues(s1);
                int j = chart.getSeriesCount();
                for(int k1 = 0; k1 < adouble.length; k1++)
                    if(adouble[k1] != null && adouble[k1].intValue() >= 0 && adouble[k1].intValue() < j)
                        chart.setSeriesLineOn(adouble[k1].intValue(), false);

            } else
            {
                chart.setSeriesLineOn(true);
            }
        } else
        if(s.equals("connectedlineson"))
        {
            chart.setConnectedLinesOn(-1, false);
            if(s1 != null && s1.trim().toLowerCase().equals("true"))
                chart.setConnectedLinesOn(-1, true);
            else
            if(s1 != null && s1.trim().length() > 0)
            {
                Double adouble1[] = ChartApplet.getDoubleValues(s1);
                int k = chart.getSeriesCount();
                for(int l1 = 0; l1 < adouble1.length; l1++)
                    if(adouble1[l1] != null && adouble1[l1].intValue() >= 0 && adouble1[l1].intValue() < k)
                        chart.setConnectedLinesOn(adouble1[l1].intValue(), true);

            }
        } else
        if(s.equals("linewidth"))
        {
            if(s1 != null && s1.trim().length() > 0)
            {
                Double adouble2[] = ChartApplet.getDoubleValues(s1);
                if(adouble2.length == 1 && chart.getSeriesCount() > 1)
                {
                    chart.setLineWidth(-1, adouble2[0].intValue());
                } else
                {
                    for(int l = 0; l < adouble2.length; l++)
                        chart.setLineWidth(l, adouble2[l].intValue());

                }
            } else
            {
                chart.setLineWidth(-1, 2);
            }
        } else
        if(s.equals("stackedon"))
            chart.setStackedOn(s1 != null && s1.toLowerCase().equals("true"));
        else
        if(s.equals("samplehighlighton"))
        {
            boolean aflag[] = getBooleanValues(s1);
            int i1 = chart.getSeriesCount();
            for(int i2 = 0; i2 < i1; i2++)
                if(aflag != null && aflag.length > 0)
                    chart.setSampleHighlightOn(i2, aflag[i2 % aflag.length]);
                else
                    chart.setSampleHighlightOn(i2, false);

        } else
        if(s.equals("samplehighlightstyle"))
        {
            int ai[] = getStyleValues(s1);
            int j1 = chart.getSeriesCount();
            for(int j2 = 0; j2 < j1; j2++)
            {
                int l2 = chart.getSampleHighlightSize(j2);
                int j3 = 0;
                if(ai != null && ai.length > 0)
                    j3 = ai[j2 % ai.length];
                chart.setSampleHighlightStyle(j2, j3, l2);
            }

        } else
        if(s.equals("samplehighlightsize"))
        {
            int i = chart.getSeriesCount();
            Double adouble3[] = ChartApplet.getDoubleValues(s1);
            for(int k2 = 0; k2 < i; k2++)
            {
                int i3 = chart.getSampleHighlightStyle(k2);
                int k3 = 6;
                if(adouble3 != null && adouble3[k2 % adouble3.length] != null)
                    k3 = adouble3[k2 % adouble3.length].intValue();
                chart.setSampleHighlightStyle(k2, i3, k3);
            }

        } else
        {
            super.setParameter(s, s1);
        }
    }

    protected void refresh()
    {
        chart.repaint();
    }

    private boolean[] getBooleanValues(String s)
    {
        boolean aflag[] = null;
        if(s != null)
        {
            StringTokenizer stringtokenizer = new StringTokenizer(s, ",");
            aflag = new boolean[stringtokenizer.countTokens()];
            for(int i = 0; i < aflag.length; i++)
                aflag[i] = stringtokenizer.nextToken().trim().toLowerCase().equals("true");

        }
        return aflag;
    }

    public void init()
    {
        chart = (LineChart)super.theChart;
        super.init();
        String s = getParameterPrefix();
        initParameter("valueLabelFont", getParameter(s + "valueLabelFont"));
        initParameter("valueLabelStyle", getParameter(s + "valueLabelStyle"));
        initParameter("sampleDecimalCount", getParameter(s + "sampleDecimalCount"));
        initParameter("sampleLabelsOn", getParameter(s + "sampleLabelsOn"));
        initParameter("sampleLabelStyle", getParameter(s + "sampleLabelStyle"));
        initParameter("sampleLabelFont", getParameter(s + "sampleLabelFont"));
        initParameter("seriesLabelsOn", getParameter(s + "seriesLabelsOn"));
        initParameter("seriesLabels", getParameter(s + "seriesLabels"));
        initParameter("autoLabelSpacingOn", getParameter(s + "autoLabelSpacingOn"));
        initParameter("seriesLineOff", getParameter(s + "seriesLineOff"));
        initParameter("connectedLinesOn", getParameter(s + "connectedLinesOn"));
        initParameter("lineWidth", getParameter(s + "lineWidth"));
        initParameter("stackedOn", getParameter(s + "stackedOn"));
        initParameter("sampleHighlightOn", getParameter(s + "sampleHighlightOn"));
        initParameter("sampleHighlightStyle", getParameter(s + "sampleHighlightStyle"));
        initParameter("sampleHighlightSize", getParameter(s + "sampleHighlightSize"));
        initParameter("sampleScrollerOn", getParameter(s + "sampleScrollerOn"));
        String s1 = getParameter(s + "overlay");
        initParameter(s + "overlay", getParameter(s + "overlay"));
        int i = s1 == null ? 0 : 1;
        for(String s2 = getParameter(s + "overlay" + i); s2 != null; s2 = getParameter(s + "overlay" + i))
        {
            initParameter(s + "overlay" + i, getParameter(s + "overlay" + i));
            i++;
        }

        setRangeParameters(true);
        for(int j = 0; j < super.overlayChartApplets.size(); j++)
        {
            ChartApplet chartapplet = (ChartApplet)super.overlayChartApplets.elementAt(j);
            if(chartapplet != null)
                chartapplet.setRangeParameters(false);
        }

        chart.setAutomaticRepaintOn(true);
    }

    public LineChart chart;
}