Java FontMetrics limitWithEllipsis(String str, Font font, int maxWidth, Component c)

Description

If the string is longer than maxWidth, limit it to fit within maxWidth with an ellipsis (...).

License

Open Source License

Declaration

public static String limitWithEllipsis(String str, Font font, int maxWidth, Component c) 

Method Source Code

//package com.java2s;
/*/* ww w . jav a  2 s .  co m*/
 * Robonobo Common Utils
 * Copyright (C) 2008 Will Morton (macavity@well.com) & Ray Hilton (ray@wirestorm.net)
    
 * This program 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.
    
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

import java.awt.Component;
import java.awt.Font;
import java.awt.FontMetrics;

public class Main {
    /**
     * If the string is longer than maxWidth, limit it to fit within maxWidth
     * with an ellipsis (...). Will always return at least the string "..."
     */
    public static String limitWithEllipsis(String str, Font font, int maxWidth, Component c) {
        FontMetrics metrics = c.getFontMetrics(font);
        int strWidth = metrics.stringWidth(str);
        if (strWidth <= maxWidth)
            return str;
        for (int len = str.length() - 1; len > 0; len--) {
            String subStr = str.substring(0, len) + "...";
            if (metrics.stringWidth(subStr) <= maxWidth)
                return subStr;
        }
        return "...";
    }
}

Related

1. getStringImage(Font font, String... strs)
2. getStringLengthInPixels(String s, Graphics g)
3. getStringRect(Font f, String s)
4. getTextCenterShear(final FontMetrics fm, final String text)
5. getTextCenterShearX(final FontMetrics fm, final String text)
6. maxSize(Component component, String maxString)
7. maxStringPixelWidth(String[] strings, FontMetrics fm)
8. paintString(String s, Graphics2D g2, Rectangle2D rect, float horizontal, float vertical)
9. render(Graphics2D graphics, String str, Rectangle2D box, double xalign, double yalign)