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/*
* @(#)AppendMerge.java 1.4 06/10/30
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package javax.help;
import javax.swing.tree.*;
import java.util.*;
import java.text.*;
/**
* Append merge type
*
* @author Richard Gregor
* @version 1.4 10/30/06
*/
public class AppendMerge extends Merge{
/**
* Constructs AppendMerge
*
* @param master The master NavigatorView
* @param slave The slave NavigatorView
*/
public AppendMerge(NavigatorView master, NavigatorView slave){
super(master,slave);
}
/**
* Processes append merge
*
* @param node The master node
* @return Merged master node
*/
public TreeNode processMerge(TreeNode node){
debug("start merge");
mergeNodes(node, slaveTopNode);
return node;
}
/**
* Merge Nodes. Merge two nodes according to the Append merging rules
*
* @param masterNode The master node to merge with
* @param slaveNode The node to merge into the master
*/
public static void mergeNodes(TreeNode master, TreeNode slave) {
DefaultMutableTreeNode masterNode = (DefaultMutableTreeNode)master;
DefaultMutableTreeNode slaveNode = (DefaultMutableTreeNode)slave;
debug("mergeNodes master=" + MergeHelpUtilities.getNodeName(masterNode) +
" slave=" + MergeHelpUtilities.getNodeName(slaveNode));
while (slaveNode.getChildCount() > 0) {
DefaultMutableTreeNode slaveNodeChild =
(DefaultMutableTreeNode)slaveNode.getFirstChild();
masterNode.add(slaveNodeChild);
MergeHelpUtilities.mergeNodeChildren("javax.help.AppendMerge",
slaveNodeChild);
}
}
/**
* Merge Node Children. Merge the children of a node according to the
* Append merging.
*
* @param node The parent node from which the children are merged
*/
public static void mergeNodeChildren(TreeNode node) {
DefaultMutableTreeNode masterNode = (DefaultMutableTreeNode)node;
debug("mergeNodes master=" + MergeHelpUtilities.getNodeName(masterNode));
// The rules are there are no rules. Nothing else needs to be done
// except for merging through the children
for (int i=0; i < masterNode.getChildCount(); i++) {
DefaultMutableTreeNode child =
(DefaultMutableTreeNode)masterNode.getChildAt(i);
if (!child.isLeaf()) {
MergeHelpUtilities.mergeNodeChildren("javax.help.AppendMerge",
child);
}
}
}
private static boolean debug = false;
private static void debug(String msg){
if (debug) {
System.out.println("AppendMerge :"+msg);
}
}
}