/*--------------------------------*- Java -*---------------------------------*\
 |		 o                                                                   |                                                                                     
 |    o     o       | HelyxOS: The Open Source GUI for OpenFOAM              |
 |   o   O   o      | Copyright (C) 2012-2016 ENGYS                          |
 |    o     o       | http://www.engys.com                                   |
 |       o          |                                                        |
 |---------------------------------------------------------------------------|
 |	 License                                                                 |
 |   This file is part of HelyxOS.                                           |
 |                                                                           |
 |   HelyxOS 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.                                              |
 |                                                                           |
 |   HelyxOS 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 HelyxOS; if not, write to the Free Software Foundation,      |
 |   Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA            |
\*---------------------------------------------------------------------------*/


package eu.engys.util.ui.groupcolumnheader;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Vector;

import javax.swing.table.DefaultTableColumnModel;
import javax.swing.table.TableColumn;

public class GroupableTableColumnModel extends DefaultTableColumnModel {

    protected ArrayList<ColumnGroup> columnGroups = new ArrayList<>();

    public void addColumnGroup(ColumnGroup columnGroup) {
        columnGroups.add(columnGroup);
    }

    public Iterator<ColumnGroup> columnGroupIterator() {
        return columnGroups.iterator();
    }

    public ColumnGroup getColumnGroup(int index) {
        if (index >= 0 && index < columnGroups.size()) {
            return (ColumnGroup) columnGroups.get(index);
        }
        return null;
    }

    public Iterator<Object> getColumnGroups(TableColumn col) {
        if (columnGroups.isEmpty())
            return null;
        Iterator<ColumnGroup> iter = columnGroups.iterator();
        while (iter.hasNext()) {
            ColumnGroup cGroup = iter.next();
            Vector<Object> v_ret = cGroup.getColumnGroups(col, new Vector<>());
            if (v_ret != null) {
                return v_ret.iterator();
            }
        }
        return null;
    }
}
