progressrenderer.java

一个网络上传下载器

package DownloadManager;

import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;

/**
 a utility that renders a JProgressBar in a table cell.
 @author Liu Yuyang
 */
class ProgressRenderer extends JProgressBar
        implements TableCellRenderer {
    // Constructor for ProgressRenderer.
    public ProgressRenderer(int min, int max) {
        super(min, max);
    }
    
  /* Returns this JProgressBar as the renderer
     for the given table cell. */
    public Component getTableCellRendererComponent(
            JTable table, Object value, boolean isSelected,
            boolean hasFocus, int row, int column) {
        // Set JProgressBar's percent complete value.
        setValue((int) ((Float) value).floatValue());
        return this;
    }
}