tools.java

一个小公司要求给写的很简单的任务管理系统。

/*
 * @(#)Tools.java	1.44 06/08/29
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * -Redistribution of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 * 
 * -Redistribution in binary form must reproduce the above copyright notice, 
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may 
 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL 
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
 * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST 
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, 
 * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY 
 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, 
 * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that this software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
 * nuclear facility.
 */

/*
 * @(#)Tools.java	1.44 06/08/29
 */

package java2d;

import static java.awt.Color.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.print.PrinterJob;
import javax.print.attribute.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import java.net.URL;
import java.text.DecimalFormat;


/**
 * Tools to control individual demo graphic attributes.  Also, control for
 * start & stop on animated demos; control for cloning the demo; control for
 * printing the demo.  Expand and collapse the Tools panel with ToggleIcon.
 */
public class Tools extends JPanel implements ActionListener, ChangeListener, MouseListener, Runnable {

    private ImageIcon stopIcon, startIcon;
    private Font font = new Font("serif", Font.PLAIN, 10);
    private Color roColor = new Color(187, 213, 238); 
    private Surface surface;
    private Thread thread;
    private JPanel toolbarPanel;
    private JPanel sliderPanel;
    private JLabel label;
    private ToggleIcon bumpyIcon, rolloverIcon;
    
    private DecimalFormat decimalFormat = new DecimalFormat("000"); 

    protected boolean focus;

    public JToggleButton toggleB;
    public JButton printB;
    public JComboBox screenCombo;
    public JToggleButton renderB, aliasB; 
    public JToggleButton textureB, compositeB; 
    public JButton startStopB;
    public JButton cloneB;
    public boolean issueRepaint = true;
    public JToolBar toolbar;
    public JSlider slider;
    public boolean doSlider;
    public boolean isExpanded;

    public Tools(Surface surface) {
        this.surface = surface;
        setLayout(new BorderLayout());

        stopIcon     = new  ImageIcon(DemoImages.getImage( "stop.gif",this));
        startIcon    = new  ImageIcon(DemoImages.getImage("start.gif",this));
        bumpyIcon    = new ToggleIcon(this, LIGHT_GRAY);
        rolloverIcon = new ToggleIcon(this, roColor);
        toggleB = new JToggleButton(bumpyIcon);
        toggleB.addMouseListener(this);
        isExpanded = false;
        toggleB.addActionListener(this);
        toggleB.setMargin(new Insets(0,0,-4,0));
        toggleB.setBorderPainted(false);
        toggleB.setFocusPainted(false);
        toggleB.setContentAreaFilled(false);
        toggleB.setRolloverIcon(rolloverIcon);
        add("North", toggleB);

        toolbar = new JToolBar();
        toolbar.setPreferredSize(new Dimension(112, 26));
        toolbar.setFloatable(false);

        String s = surface.AntiAlias == RenderingHints.VALUE_ANTIALIAS_ON 
            ? "On" : "Off";
        aliasB = addTool( "A", "Antialiasing " + s, this);

        s = surface.Rendering == RenderingHints.VALUE_RENDER_SPEED
            ? "Speed" : "Quality";
        renderB = addTool("R", "Rendering " + s, this);

        s = surface.texture != null ? "On" : "Off";
        textureB = addTool("T", "Texture " + s, this);

        s = surface.composite != null ? "On" : "Off";
        compositeB = addTool("C", "Composite " + s, this);

        Image printBImg = DemoImages.getImage("print.gif", this);
        printB = addTool(printBImg, "Print the Surface", this);

        if (surface instanceof AnimatingSurface) {
            Image stopImg = DemoImages.getImage("stop.gif", this);
            startStopB = addTool(stopImg, "Stop Animation", this);
            toolbar.setPreferredSize(new Dimension(132, 26));
        }

        screenCombo = new JComboBox();
        screenCombo.setPreferredSize(new Dimension(100, 18));
        screenCombo.setFont(font);
        for (String name : GlobalControls.screenNames) {
            screenCombo.addItem(name);
        } 
        screenCombo.addActionListener(this);
        toolbarPanel = new JPanel(new FlowLayout(FlowLayout.CENTER,5,0));
        toolbarPanel.setLocation(0,6);
        toolbarPanel.setVisible(false);
        toolbarPanel.add(toolbar);
        toolbarPanel.add(screenCombo);
        toolbarPanel.setBorder(new EtchedBorder());
        add(toolbarPanel);

        setPreferredSize(new Dimension(200,8));

        if (surface instanceof AnimatingSurface) {
            sliderPanel = new JPanel(new BorderLayout());
            label = new JLabel(" Sleep = 030 ms");
            label.setForeground(BLACK);
            sliderPanel.add(label, BorderLayout.WEST);
            slider = new JSlider(JSlider.HORIZONTAL, 0, 200, 30);
            slider.addChangeListener(this);
            sliderPanel.setBorder(new EtchedBorder());
            sliderPanel.add(slider);

            addMouseListener(new MouseAdapter() {
                public void mouseClicked(MouseEvent e) {
                   if (toolbarPanel.isVisible()) {
                       invalidate();
                       if ((doSlider = !doSlider)) {
                           remove(toolbarPanel);
                           add(sliderPanel);
                       } else {
                           remove(sliderPanel);
                           add(toolbarPanel);
                       }
                       validate();
                       repaint();
                   }
                }
            });
        }
    }


    public JButton addTool(Image img,
                           String toolTip,
                           ActionListener al) {
        JButton b = new JButton(new ImageIcon(img)) {
            Dimension prefSize = new Dimension(21, 22);
            public Dimension getPreferredSize() {
                return prefSize;
            }
            public Dimension getMaximumSize() {
                return prefSize;
            }
            public Dimension getMinimumSize() {
                return prefSize;
            }
        };
        toolbar.add(b);
        b.setFocusPainted(false);
        b.setSelected(true);
        b.setToolTipText(toolTip);
        b.addActionListener(al);
        return b;
    }

    public JToggleButton addTool(String name,
                                 String toolTip,
                                 ActionListener al) {
        JToggleButton b = new JToggleButton(name) {
            Dimension prefSize = new Dimension(21, 22);
            public Dimension getPreferredSize() {
                return prefSize;
            }
            public Dimension getMaximumSize() {
                return prefSize;
            }
            public Dimension getMinimumSize() {
                return prefSize;
            }
        };
        toolbar.add(b);
        b.setFocusPainted(false);
        if (toolTip.equals("Rendering Quality") ||
            toolTip.equals("Antialiasing On") ||
            toolTip.equals("Texture On")  ||
            toolTip.equals("Composite On")) {
            b.setSelected(true);
        } else {
            b.setSelected(false);
        }
        b.setToolTipText(toolTip);
        b.addActionListener(al);
        return b;
    }


    public void actionPerformed(ActionEvent e) {