animator.java

来自「能使报表生成图像的大全代码」· Java 代码 · 共 35 行

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 

package demo;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
import org.jfree.data.category.DefaultCategoryDataset;

class Animator extends Timer
    implements ActionListener
{

    Animator(DefaultCategoryDataset defaultcategorydataset)
    {
        super(40, null);
        dataset = defaultcategorydataset;
        addActionListener(this);
    }

    public void actionPerformed(ActionEvent actionevent)
    {
        int i = (int)(Math.random() * (double)dataset.getRowCount());
        Comparable comparable = dataset.getRowKey(i);
        int j = (int)(Math.random() * (double)dataset.getColumnCount());
        Comparable comparable1 = dataset.getColumnKey(j);
        int k = Math.random() - 0.5D >= 0.0D ? 5 : -5;
        dataset.setValue(Math.max(0.0D, dataset.getValue(i, j).doubleValue() + (double)k), comparable, comparable1);
    }

    private DefaultCategoryDataset dataset;
}