/* dIntProg Browser. A webbrowser written in Java.
 * Copyright (C) 2001 Martin Geisler <[email protected]>
 *  
 * 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.,
 * 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
import java.awt.Graphics;
import java.awt.Color;
import javax.swing.*;
/** A linebreak. This is an invisible box with a height of 0 pixels.
 *  The width is equal to whatever it can get. This means that there
 *  will never be room for this on a line, unless it's the only box on
 *  that line. And when it's places on a line it doesn't leave a gap
 *  to the line above, as it has a height of 0 pixels. */
public class Break extends AbstractRigidBox {
    /** Constructs a new linebreak. The height is initialized to 0
     *  pixels. */
    public Break() {
        height = 0;
    }
    public void doLayout(Graphics g, JComponent c, int w) {
        // A break has a width equal to the allowed width, but a
        // height of 0 pixesl. This forces a linebreak. */
        width = w;
    }
    /** The minimum width of the break.
     *  @return always 0 pixes, as a break doesn't take up any space.
     *  This ensures that breaks won't affect the calculations made in
     *  places like {@link Table tables} and so on. */
    public int getMinimumWidth() {
        return 0;
    }
    /** The preferred width of the break.
     *  @return always 0 pixels, as a break doesn't take up any space.
     *  This ensures that breaks won't affect the calculations made in
     *  places like {@link Table tables} and so on. */
    public int getPreferredWidth() {
        return 0;
    }
    /** Reports wether or not a split is possible.
     *  @return always false, as a break can't be splitted. */
    public boolean splitIsPossible(int w) {
        // A break can't be split.
        return false;
    }
    public void drawAt(int x, int y, DocumentView v) {
        // A break is invisible.
    }
}