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149 lines
3.6 KiB
Java
149 lines
3.6 KiB
Java
/* BoxLayout.java -- A layout for swing components.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.*;
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/**
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* A layout for swing components.
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* This implementation delegates its methods to
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* java.awt.GridLayout to do its work.
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*
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* @author Ronald Veldema (rveldema@cs.vu.nl)
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*/
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public class BoxLayout implements LayoutManager2
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{
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GridLayout gridbag;
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final static int X_AXIS = 0;
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final static int Y_AXIS = 1;
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int way = X_AXIS;
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BoxLayout(JComponent p,
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int way)
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{
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int width = 0;
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int height = 0;
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this.way = way;
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if (way == X_AXIS)
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{
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width = 1;
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}
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else
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{
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height = 1;
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}
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gridbag = new GridLayout(width, height);
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}
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BoxLayout(int way)
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{
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this(null,way);
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}
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public void addLayoutComponent(String name, Component comp)
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{
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if (way == X_AXIS)
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{
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gridbag.setColumns( gridbag.getColumns() + 1);
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}
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else
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{
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gridbag.setRows( gridbag.getRows() + 1);
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}
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}
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public void removeLayoutComponent(Component comp)
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{
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gridbag.removeLayoutComponent(comp);
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if (way == X_AXIS)
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{
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gridbag.setColumns( gridbag.getColumns() - 1);
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}
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else
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{
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gridbag.setRows( gridbag.getRows() - 1);
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}
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}
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public Dimension preferredLayoutSize(Container parent)
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{
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return gridbag.preferredLayoutSize(parent);
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}
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public Dimension minimumLayoutSize(Container parent)
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{
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return gridbag.minimumLayoutSize(parent);
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}
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public void layoutContainer(Container parent)
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{
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gridbag.layoutContainer(parent);
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}
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public void addLayoutComponent ( Component child, Object constraints )
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{
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addLayoutComponent("", child);
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}
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public float getLayoutAlignmentX ( Container parent )
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{
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return 0;
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}
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public float getLayoutAlignmentY ( Container parent )
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{
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return 0;
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}
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public void invalidateLayout ( Container parent )
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{
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}
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public Dimension maximumLayoutSize ( Container parent )
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{
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return preferredLayoutSize(parent);
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}
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}
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