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JAXX Runtime api

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/*
 * *##% 
 * JAXX Runtime
 * Copyright (C) 2008 - 2009 CodeLutin
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * ##%*
 */
package jaxx.runtime.swing.renderer;

import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
import java.awt.Component;
import java.util.EnumSet;

/**
 * 
 * 
 * A {@link TableCellRenderer} which displays enum values from their ordinal value.
 *
 * @param   le type de l'énumération.
 *
 * @author chemit
 * @since 1.5
 */
public class EnumTableCellRenderer> implements TableCellRenderer {

    private TableCellRenderer delegate;
    private EnumSet enumValues;

    public EnumTableCellRenderer(TableCellRenderer delegate, Class enumClass) {
        this.delegate = delegate;
        this.enumValues = EnumSet.allOf(enumClass);
    }

    @Override
    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {

        if (value != null) {
            //FIXME : should be also able to read it by name ?
            Integer ordinal = Integer.valueOf(value + "");
            if (ordinal == -1) {
                value = null;
            } else {
                for (E enumValue : enumValues) {
                    if (ordinal == enumValue.ordinal()) {
                        value = enumValue;
                        break;
                    }
                }
            }
        }
        return delegate.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
    }
}