JDK14/Java14源码在线阅读

/*
 *
 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions 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 Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.border.*;
import javax.swing.colorchooser.*;
import javax.swing.filechooser.*;
import javax.accessibility.*;

import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;

/**
 * ToolTip Demo
 *
 * @author Jeff Dinkins
 */
public class ToolTipDemo extends DemoModule {

    /**
     * main method allows us to run as a standalone demo.
     */
    public static void main(String[] args) {
        ToolTipDemo demo = new ToolTipDemo(null);
        demo.mainImpl();
    }

    /**
     * ToolTipDemo Constructor
     */
    public ToolTipDemo(SwingSet2 swingset) {
        // Set the title for this demo, and an icon used to represent this
        // demo inside the SwingSet2 app.
        super(swingset, "ToolTipDemo", "toolbar/ToolTip.gif");

        // Set the layout manager.
        JPanel p = getDemoPanel();
        p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
        p.setBackground(Color.white);

        // Create a Cow to put in the center of the panel.
        Cow cow = new Cow();
        cow.getAccessibleContext().setAccessibleName(getString("ToolTipDemo.accessible_cow"));

        // Set the tooltip text. Note, for fun, we also set more tooltip text
        // descriptions for the cow down below in the Cow.contains() method.
        cow.setToolTipText(getString("ToolTipDemo.cow"));

        // Add the cow midway down the panel
        p.add(Box.createRigidArea(new Dimension(1, 150)));
        p.add(cow);
    }


    class Cow extends JLabel {
        Polygon cowgon = new Polygon();

        public Cow() {
            super(createImageIcon("tooltip/cow.gif", getString("ToolTipDemo.bessie")));
            setAlignmentX(CENTER_ALIGNMENT);

            // Set polygon points that define the outline of the cow.
            cowgon.addPoint(3,20);    cowgon.addPoint(44,4);
            cowgon.addPoint(79,15);   cowgon.addPoint(130,11);
            cowgon.addPoint(252,5);   cowgon.addPoint(181,17);
            cowgon.addPoint(301,45);  cowgon.addPoint(292,214);
            cowgon.addPoint(269,209); cowgon.addPoint(266,142);
            cowgon.addPoint(250,161); cowgon.addPoint(235,218);
            cowgon.addPoint(203,206); cowgon.addPoint(215,137);
            cowgon.addPoint(195,142); cowgon.addPoint(143,132);
            cowgon.addPoint(133,189); cowgon.addPoint(160,200);
            cowgon.addPoint(97,196);  cowgon.addPoint(107,182);
            cowgon.addPoint(118,185); cowgon.addPoint(110,144);
            cowgon.addPoint(59,77);   cowgon.addPoint(30,82);
            cowgon.addPoint(30,35);   cowgon.addPoint(15,36);
        }

        boolean moo = false;
        boolean milk = false;
        boolean tail = false;

        // Use the contains method to set the tooltip text depending
        // on where the mouse is over the cow.
        public boolean contains(int x, int y) {
            if(!cowgon.contains(new Point(x, y))) {
                return false;
            }

            if((x > 30) && (x < 60) && (y > 60) && (y < 85)) {
                if(!moo) {
                    setToolTipText("<html><center><font color=blue size=+2>" +
                                   getString("ToolTipDemo.moo") + "</font></center></html>");
                    moo = true;
                    milk = false;
                    tail = false;
                }
            } else if((x > 150) && (x < 260) && (y > 90) && (y < 145)) {
                if(!milk) {
                    setToolTipText("<html><center><font face=AvantGarde size=+1 color=#D2691E>" +
                                   getString("ToolTipDemo.got_milk") + "</font></center></html>");
                    milk = true;
                    moo = false;
                    tail = false;

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