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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: DialogFocusTraversalPolicy.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.setup.Util;
import java.awt.FocusTraversalPolicy;
import javax.swing.JComponent;
public class DialogFocusTraversalPolicy extends FocusTraversalPolicy {
private JComponent order[];
private java.util.List list;
public DialogFocusTraversalPolicy(JComponent _order[]) {
order = _order;
list = java.util.Arrays.asList(order);
}
public java.awt.Component getFirstComponent(java.awt.Container focusCycleRoot) {
return order[0];
}
public java.awt.Component getLastComponent(java.awt.Container focusCycleRoot) {
return order[order.length - 1];
}
public java.awt.Component getComponentAfter(java.awt.Container focusCycleRoot, java.awt.Component aComponent) {
int index = 0,x = -1;
index = list.indexOf(aComponent);
index++; // increasing automatically
if(!order[index % order.length].isEnabled() ||
!order[index % order.length].isVisible()) {
x = index;
index = -1;
for (; x != order.length; x++) {
if(order[x].isEnabled() && order[x].isVisible()) {
index = x;
break;
}
}
if(index == -1) {
x = list.indexOf(aComponent);
for(int y = 0; y <= x; y++) {
if(order[y].isEnabled() && order[x].isVisible()) {
index = y;
break;
}
}
}
}
return order[ index % order.length];
}
public java.awt.Component getComponentBefore(java.awt.Container focusCycleRoot, java.awt.Component aComponent) {
int index = list.indexOf(aComponent), x = -1;
index--;
if(!order[(index + order.length) % order.length].isEnabled() ||
!order[(index + order.length) % order.length].isVisible()) {
x = index;
index = -1;
for(; x >= 0; x--) {
if(order[x].isEnabled() && order[x].isVisible()) {
index = x;
break;
}
}
// if nothing has changed
if(index == -1) {
x = list.indexOf(aComponent);
for(int y = order.length -1; y >= x; y--) {
if(order[y].isEnabled() && order[x].isVisible()) {
index = y;
break;
}
}
}
}
return order[ (index + order.length) % order.length];
}
public java.awt.Component getDefaultComponent(java.awt.Container focusCycleRoot) {
return order[0];
}
public java.awt.Component getInitialComponent(java.awt.Window window) {
return order[0];
}
}
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