/*
* Beryl - A web platform based on XML, XSLT and Java
* This file is part of the Beryl XML GUI
*
* Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107 USA
*/
package org.beryl.gui.swing;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Insets;
import java.util.StringTokenizer;
import javax.swing.JComponent;
import javax.swing.UIManager;
public class JBreakingLabel extends JComponent {
private String text = null;
public JBreakingLabel() {
this("");
}
public JBreakingLabel(String text) {
setForeground(UIManager.getColor("Label.foreground"));
setBackground(UIManager.getColor("Label.background"));
setText(text);
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
repaint();
}
public Dimension getMaximumSize() {
return new Dimension(Short.MAX_VALUE, Short.MAX_VALUE);
}
public Dimension getPreferredSize() {
return super.getPreferredSize();
}
public Dimension getMinimumSize() {
return new Dimension(0, 0);
}
public void paintComponent(Graphics g) {
Insets insets = getInsets();
int width = getWidth() - insets.left - insets.right;
int height = getHeight() - insets.top - insets.bottom - 1;
g.setColor(getBackground());
g.fillRect(insets.left, insets.top, width, height);
g.setFont(getFont());
g.setColor(getForeground());
FontMetrics metrics = g.getFontMetrics(getFont());
int xoffset = 0;
int yoffset = metrics.getHeight();
StringTokenizer tokenizer = new StringTokenizer(text, " ", true);
while (tokenizer.hasMoreTokens()) {
String token = tokenizer.nextToken();
int tokenWidth = metrics.stringWidth(token);
if (xoffset + tokenWidth > width) {
yoffset += metrics.getHeight();
xoffset = 0;
}
g.drawString(token, xoffset + insets.left, yoffset + insets.bottom);
xoffset += tokenWidth;
}
}
}