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DiscreteProgress.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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 * http://www.netbeans.org/cddl-gplv2.html
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 * particular file as subject to the "Classpath" exception as provided
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 * "[Contributor] elects to include this software in this distribution
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package org.netbeans.lib.profiler.ui.components;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Insets;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.border.BevelBorder;


/**
 *
 * @author Jiri Sedlacek
 */
00058 public class DiscreteProgress extends JPanel {
    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private Color disabledColor = new Color(220, 220, 220);
    private Color enabledColor = new Color(128, 128, 255);
    private int activeUnits = 0;
    private int totalUnits = 10;
    private int unitHeight = 13;
    private int unitWidth = 10;

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    public DiscreteProgress() {
        super(new BorderLayout());
        setBorder(new ThinBevelBorder(BevelBorder.LOWERED));
        setOpaque(false);
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public void setActiveUnits(int activeUnits) {
        if (this.activeUnits != activeUnits) {
            this.activeUnits = activeUnits;
            repaint();
        }
    }

    public int getActiveUnits() {
        return activeUnits;
    }

    public Dimension getMaximumSize() {
        return getPreferredSize();
    }

    public Dimension getMinimumSize() {
        return getPreferredSize();
    }

    public Dimension getPreferredSize() {
        return new Dimension(((totalUnits * unitWidth) + totalUnits) - 1 + 4, unitHeight + 4);
    }

    /**
     * @param args the command line arguments
     */
00104     public static void main(String[] args) {
        try {
            //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
        }

        ;

        DiscreteProgress progress = new DiscreteProgress();

        JFrame testFrame = new JFrame("Decimal Progress Test Frame"); // NOI18N
        testFrame.getContentPane().add(progress);
        testFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        testFrame.pack();
        testFrame.setVisible(true);
    }

    public void paintComponent(Graphics g) {
        Insets insets = getInsets();
        int offsetX = insets.left;
        int offsetY = insets.top;

        for (int i = 0; i < totalUnits; i++) {
            g.setColor((i < activeUnits) ? enabledColor : disabledColor);
            g.fillRect(offsetX + (i * unitWidth) + i, offsetY, unitWidth, unitHeight);
        }
    }
}

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