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Diffstat (limited to 'libjava/javax/swing/BoxLayout.java')
-rw-r--r-- | libjava/javax/swing/BoxLayout.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/libjava/javax/swing/BoxLayout.java b/libjava/javax/swing/BoxLayout.java new file mode 100644 index 00000000000..00d9cb438a2 --- /dev/null +++ b/libjava/javax/swing/BoxLayout.java @@ -0,0 +1,148 @@ +/* BoxLayout.java -- A layout for swing components. + Copyright (C) 2002 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath 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, or (at your option) +any later version. + +GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package javax.swing; + +import java.awt.*; + +/** + * A layout for swing components. + * This implementation delegates its methods to + * java.awt.GridLayout to do its work. + * + * @author Ronald Veldema (rveldema@cs.vu.nl) + */ +public class BoxLayout implements LayoutManager2 +{ + GridLayout gridbag; + + final static int X_AXIS = 0; + final static int Y_AXIS = 1; + + int way = X_AXIS; + + BoxLayout(JComponent p, + int way) + { + int width = 0; + int height = 0; + + this.way = way; + + if (way == X_AXIS) + { + width = 1; + } + else + { + height = 1; + } + + + gridbag = new GridLayout(width, height); + } + + BoxLayout(int way) + { + this(null,way); + } + + + public void addLayoutComponent(String name, Component comp) + { + if (way == X_AXIS) + { + gridbag.setColumns( gridbag.getColumns() + 1); + } + else + { + gridbag.setRows( gridbag.getRows() + 1); + } + } + + public void removeLayoutComponent(Component comp) + { + gridbag.removeLayoutComponent(comp); + if (way == X_AXIS) + { + gridbag.setColumns( gridbag.getColumns() - 1); + } + else + { + gridbag.setRows( gridbag.getRows() - 1); + } + } + + public Dimension preferredLayoutSize(Container parent) + { + return gridbag.preferredLayoutSize(parent); + } + + public Dimension minimumLayoutSize(Container parent) + { + return gridbag.minimumLayoutSize(parent); + } + + public void layoutContainer(Container parent) + { + gridbag.layoutContainer(parent); + } + + public void addLayoutComponent ( Component child, Object constraints ) + { + addLayoutComponent("", child); + } + + public float getLayoutAlignmentX ( Container parent ) + { + return 0; + } + + public float getLayoutAlignmentY ( Container parent ) + { + return 0; + } + + public void invalidateLayout ( Container parent ) + { + } + + public Dimension maximumLayoutSize ( Container parent ) + { + return preferredLayoutSize(parent); + } +} |