JDK14/Java14源码在线阅读

/*
 *
 * Copyright (c) 2007, 2011, 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 java.awt.Color;
import java.util.HashMap;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;


/**
 * hack to load attributed content
 */
public class Wonderland {

    Wonderland(DefaultStyledDocument doc, StyleContext styles) {
        this.doc = doc;
        this.styles = styles;
        runAttr = new HashMap<String, Style>();
    }

    void loadDocument() {
        createStyles();
        for (int i = 0; i < data.length; i++) {
            Paragraph p = data[i];
            addParagraph(p);
        }
    }

    void addParagraph(Paragraph p) {
        try {
            Style s = null;
            for (int i = 0; i < p.data.length; i++) {
                Run run = p.data[i];
                s = runAttr.get(run.attr);
                doc.insertString(doc.getLength(), run.content, s);
            }

            // set logical style
            Style ls = styles.getStyle(p.logical);
            doc.setLogicalStyle(doc.getLength() - 1, ls);
            doc.insertString(doc.getLength(), "\n", null);
        } catch (BadLocationException e) {
            System.err.println("Internal error: " + e);
        }
    }

    void createStyles() {
        // no attributes defined
        Style s = styles.addStyle(null, null);
        runAttr.put("none", s);
        s = styles.addStyle(null, null);
        StyleConstants.setItalic(s, true);
        StyleConstants.setForeground(s, new Color(153, 153, 102));
        runAttr.put("cquote", s); // catepillar quote

        s = styles.addStyle(null, null);
        StyleConstants.setItalic(s, true);
        StyleConstants.setForeground(s, new Color(51, 102, 153));
        runAttr.put("aquote", s); // alice quote

        try {
            ResourceBundle resources = ResourceBundle.getBundle(
                    "resources.Stylepad",
                    Locale.getDefault());
            s = styles.addStyle(null, null);
            Icon alice =
                    new ImageIcon(getClass().
                    getResource(resources.getString("aliceGif")));
            StyleConstants.setIcon(s, alice);
            runAttr.put("alice", s); // alice

            s = styles.addStyle(null, null);
            Icon caterpillar =
                    new ImageIcon(getClass().
                    getResource(resources.getString("caterpillarGif")));
            StyleConstants.setIcon(s, caterpillar);
            runAttr.put("caterpillar", s); // caterpillar

            s = styles.addStyle(null, null);
            Icon hatter =
                    new ImageIcon(getClass().
                    getResource(resources.getString("hatterGif")));
            StyleConstants.setIcon(s, hatter);
            runAttr.put("hatter", s); // hatter


        } catch (MissingResourceException mre) {
            // can't display image
        }

        Style def = styles.getStyle(StyleContext.DEFAULT_STYLE);

        Style heading = styles.addStyle("heading", def);
        StyleConstants.setFontFamily(heading, "SansSerif");
        StyleConstants.setBold(heading, true);
        StyleConstants.setAlignment(heading, StyleConstants.ALIGN_CENTER);
        StyleConstants.setSpaceAbove(heading, 10);
        StyleConstants.setSpaceBelow(heading, 10);
        StyleConstants.setFontSize(heading, 18);

        // Title
        Style sty = styles.addStyle("title", heading);
        StyleConstants.setFontSize(sty, 32);

        // edition
        sty = styles.addStyle("edition", heading);
        StyleConstants.setFontSize(sty, 16);

        // author
        sty = styles.addStyle("author", heading);
        StyleConstants.setItalic(sty, true);
        StyleConstants.setSpaceBelow(sty, 25);

        // subtitle
        sty = styles.addStyle("subtitle", heading);
        StyleConstants.setSpaceBelow(sty, 35);

        // normal
        sty = styles.addStyle("normal", def);
        StyleConstants.setLeftIndent(sty, 10);
        StyleConstants.setRightIndent(sty, 10);
        StyleConstants.setFontFamily(sty, "SansSerif");
        StyleConstants.setFontSize(sty, 14);
        StyleConstants.setSpaceAbove(sty, 4);
        StyleConstants.setSpaceBelow(sty, 4);
    }
    DefaultStyledDocument doc;
    StyleContext styles;
    HashMap<String, Style> runAttr;


    static class Paragraph {

        Paragraph(String logical, Run[] data) {
            this.logical = logical;
            this.data = data;
        }
        String logical;
        Run[] data;
    }


    static class Run {

        Run(String attr, String content) {
            this.attr = attr;
            this.content = content;
        }
        String attr;
        String content;
    }
    Paragraph[] data = new Paragraph[] {
        new Paragraph("title", new Run[] {
            new Run("none", "ALICE'S ADVENTURES IN WONDERLAND")
        }),
        new Paragraph("author", new Run[] {
            new Run("none", "Lewis Carroll")
        }),
        new Paragraph("heading", new Run[] {
            new Run("alice", " ")
        }),
        new Paragraph("edition", new Run[] {
            new Run("none", "THE MILLENNIUM FULCRUM EDITION 3.0")
        }),
        new Paragraph("heading", new Run[] {
            new Run("none", "CHAPTER V")
        }),
        new Paragraph("subtitle", new Run[] {
            new Run("none", "Advice from a Caterpillar")
        }),
        new Paragraph("normal", new Run[] {
            new Run("none", " "), }),
        new Paragraph("normal", new Run[] {
            new Run("none",
            "The Caterpillar and Alice looked at each other for some time in "
                    + "silence:  at last the Caterpillar took the hookah out "
                    + "of its mouth, and addressed her in a languid, sleepy "
                    + "voice.")
        }),
        new Paragraph("normal", new Run[] {
            new Run("cquote", "Who are YOU?  "),
            new Run("none", "said the Caterpillar.")
        }),
        new Paragraph("normal",
        new Run[] {
            new Run("none",
            "This was not an encouraging opening for a conversation.  Alice "
                    + "replied, rather shyly, "),
            new Run("aquote",
            "I--I hardly know, sir, just at present--at least I know who I WAS "
                    + "when I got up this morning, but I think I must have "
                    + "been changed several times since then. "), }),
        new Paragraph("heading", new Run[] {
            new Run("caterpillar", " ")
        }),
        new Paragraph("normal", new Run[] {
            new Run("cquote", "What do you mean by that? "),
            new Run("none", " said the Caterpillar sternly.  "),
            new Run("cquote", "Explain yourself!"), }),
        new Paragraph("normal", new Run[] {
            new Run("aquote", "I can't explain MYSELF, I'm afraid, sir"),
            new Run("none", " said Alice, "),
            new Run("aquote", "because I'm not myself, you see."), }),
        new Paragraph("normal", new Run[] {
            new Run("cquote", "I don't see,"),
            new Run("none", " said the Caterpillar."), }),
        new Paragraph("normal",
        new Run[] {
            new Run("aquote", "I'm afraid I can't put it more clearly,  "),
            new Run("none", "Alice replied very politely, "),
            new Run("aquote",
            "for I can't understand it myself to begin with; and being so many "
                    + "different sizes in a day is very confusing."), }),
        new Paragraph("normal", new Run[] {
            new Run("cquote", "It isn't,  "),
            new Run("none", "said the Caterpillar.")
        }),
        new Paragraph("normal", new Run[] {
            new Run("aquote", "Well, perhaps you haven't found it so yet,"),
            new Run("none", " said Alice; "),
            new Run("aquote",
            "but when you have to turn into a chrysalis--you will some day, "
                    + "you know--and then after that into a butterfly, I "
                    + "should think you'll feel it a little queer, won't you?")
        }),
        new Paragraph("normal", new Run[] {
            new Run("cquote", "Not a bit, "),
            new Run("none", "said the Caterpillar.")
        }),
        new Paragraph("normal",
        new Run[] {
            new Run("aquote", "Well, perhaps your feelings may be different,"),
            new Run("none", " said Alice; "),
            new Run("aquote", "all I know is, it would feel very queer to ME."),
        }),

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