Java FontMetrics splitText(String text, String delim, FontMetrics fontMetrics, int width)

Description

Split some text at word boundaries into a list of strings that take up no more than a given width.

License

Open Source License

Parameter

Parameter	Description
text	The text to split.
delim	Characters to consider as word delimiting.
fontMetrics	<code>FontMetrics</code> used to calculate text width.
width	The text width maximum.

Return

A list of split text.

Declaration

public static List<String> splitText(String text, String delim,
        FontMetrics fontMetrics, int width) 

Method Source Code

//package com.java2s;
/**/* w  w  w .  j  av a  2  s . co  m*/
 *  Copyright (C) 2002-2015   The FreeCol Team
 *
 *  This file is part of FreeCol.
 *
 *  FreeCol is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  FreeCol is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with FreeCol.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.awt.FontMetrics;
import java.util.ArrayList;
import java.util.List;

public class Main {
    /**
     * Split some text at word boundaries into a list of strings that
     * take up no more than a given width.
     *
     * @param text The text to split.
     * @param delim Characters to consider as word delimiting.
     * @param fontMetrics <code>FontMetrics</code> used to calculate
     *     text width.
     * @param width The text width maximum.
     * @return A list of split text.
     */
    public static List<String> splitText(String text, String delim,
            FontMetrics fontMetrics, int width) {
        List<String> result = new ArrayList<>();
        final int len = text.length();
        int i = 0, start;
        String top = "";
        Character d = null;
        for (;;) {
            for (; i < len; i++) {
                if (delim.indexOf(text.charAt(i)) < 0)
                    break;
            }
            if (i >= len)
                break;
            start = i;
            for (; i < len; i++) {
                if (delim.indexOf(text.charAt(i)) >= 0)
                    break;
            }
            String s = text.substring(start, i);
            String t = (top.isEmpty()) ? s : top + d + s;
            if (fontMetrics.stringWidth(t) > width) {
                if (top.isEmpty()) {
                    result.add(s);
                } else {
                    result.add(top);
                    top = s;
                }
            } else {
                top = t;
            }
            if (i >= len) {
                if (!top.isEmpty())
                    result.add(top);
                break;
            }
            d = text.charAt(i);
        }
        return result;
    }
}

Related

1. render(Graphics2D graphics, String str, Rectangle2D box, double xalign, double yalign)
2. setComponentSize(Component component, int rows, int columns)
3. setSizedFont(Graphics g, String text, float maxFontSize, int maxWidth)
4. shortenString(FontMetrics fm, String str, int maxWidth)
5. splitStringWithLength(String s, int length, FontMetrics fm)
6. stringByTruncatingToFitInWidth(String s, int width, Graphics g, String truncatedSuffix)
7. stringDimension(Graphics g, Font f, String s)
8. StringDimension(Graphics g, String text)
9. wordWrap(String text, FontMetrics metrics, double width)