001/* 002 * $Id: HorizontalLayout.java 4147 2012-02-01 17:13:24Z kschaefe $ 003 * 004 * Copyright 2006 Sun Microsystems, Inc., 4150 Network Circle, 005 * Santa Clara, California 95054, U.S.A. All rights reserved. 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this library; if not, write to the Free Software 019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 020 */ 021 022package org.jdesktop.swingx; 023 024import java.awt.Component; 025import java.awt.Container; 026import java.awt.Dimension; 027import java.awt.Insets; 028 029import org.jdesktop.beans.JavaBean; 030import org.jdesktop.swingx.util.Separator; 031 032/** 033 * Organizes components in a horizontal layout. 034 * 035 * @author Romain Guy <romain.guy@mac.com> 036 * @author Karl Schaefer 037 */ 038@JavaBean 039public class HorizontalLayout extends AbstractLayoutManager { 040 private static final long serialVersionUID = 8640046926840737487L; 041 042 private int gap; 043 044 public HorizontalLayout() { 045 this(0); 046 } 047 048 //TODO should we allow negative gaps? 049 public HorizontalLayout(int gap) { 050 this.gap = gap; 051 } 052 053 public int getGap() { 054 return gap; 055 } 056 057 //TODO should we allow negative gaps? 058 public void setGap(int gap) { 059 this.gap = gap; 060 } 061 062 @Override 063 public void layoutContainer(Container parent) { 064 Insets insets = parent.getInsets(); 065 Dimension size = parent.getSize(); 066 067 int height = size.height - insets.top - insets.bottom; 068 int width = insets.left; 069 070 for (int i = 0, c = parent.getComponentCount(); i < c; i++) { 071 Component m = parent.getComponent(i); 072 073 if (m.isVisible()) { 074 m.setBounds(width, insets.top, m.getPreferredSize().width, height); 075 width += m.getSize().width + gap; 076 } 077 } 078 } 079 080 @Override 081 public Dimension preferredLayoutSize(Container parent) { 082 Dimension pref = new Dimension(0, 0); 083 Separator<Integer> sep = new Separator<Integer>(0, gap); 084 085 for (int i = 0, c = parent.getComponentCount(); i < c; i++) { 086 Component m = parent.getComponent(i); 087 if (m.isVisible()) { 088 Dimension componentPreferredSize = 089 parent.getComponent(i).getPreferredSize(); 090 pref.height = Math.max(pref.height, componentPreferredSize.height); 091 pref.width += componentPreferredSize.width + sep.get(); 092 } 093 } 094 095 Insets insets = parent.getInsets(); 096 pref.width += insets.left + insets.right; 097 pref.height += insets.top + insets.bottom; 098 099 return pref; 100 } 101}