/*
* Freeplane - mind map editor
* Copyright (C) 2011 dimitry
*
* This file author is dimitry
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.features.map;
import org.freeplane.core.extension.IExtension;
import org.freeplane.features.mode.NodeHookDescriptor;
import org.freeplane.features.mode.PersistentNodeHook;
import org.freeplane.n3.nanoxml.XMLElement;
/**
* @author Dimitry Polivaev
* Apr 9, 2011
*/
@NodeHookDescriptor(hookName = "SummaryNode", onceForMap = false)
public class SummaryNode extends PersistentNodeHook implements IExtension{
public static void install(){
new SummaryNode();
new FirstGroupNode();
};
static public boolean isFirstGroupNode(final NodeModel nodeModel) {
return nodeModel.containsExtension(FirstGroupNode.class);
}
@Override
protected IExtension createExtension(NodeModel node, XMLElement element) {
return this;
}
static public boolean isSummaryNode(final NodeModel nodeModel) {
return nodeModel.containsExtension(SummaryNode.class);
}
public static int getSummaryLevel(NodeModel node) {
if(node.isRoot() || ! isSummaryNode(node))
return 0;
final NodeModel parentNode = node.getParentNode();
final int index = parentNode.getIndex(node);
final boolean isleft = node.isLeft();
int level = 1;
for(int i = index - 1; i > 0; i--){
final NodeModel child = (NodeModel) parentNode.getChildAt(i);
if(isleft == child.isLeft()){
if( isSummaryNode(child))
level++;
else
return level;
}
}
return level;
}
}