/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.gui.renderer.cluster;

import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;

import com.rapidminer.gui.renderer.AbstractTableModelTableRenderer;
import com.rapidminer.operator.IOContainer;
import com.rapidminer.operator.clustering.CentroidClusterModel;

/**
 * This is the renderer for the cluster model centroid table renderer.
 * 
 * @author Sebastian Land
 */
public class ClusterModelCentroidTableRenderer extends AbstractTableModelTableRenderer {

	private static class CentroidTableModel extends AbstractTableModel {
		private static final long serialVersionUID = 2196512073454635516L;
		private CentroidClusterModel model;
		
		public CentroidTableModel(CentroidClusterModel model) {
			this.model = model;
		}
		
		public int getColumnCount() {
			return model.getNumberOfClusters() + 1;
		}

		public int getRowCount() {
			return model.getAttributeNames().length;
		}

		public Object getValueAt(int rowIndex, int columnIndex) {
			if (columnIndex == 0)
				return model.getAttributeNames()[rowIndex];
			return model.getCentroid(columnIndex - 1).getCentroid()[rowIndex];
		}

		@Override
		public Class<?> getColumnClass(int columnIndex) {
			if (columnIndex == 0)
				return String.class;
			return Double.class;
		}
		
		@Override
		public String getColumnName(int columnIndex) {
			if (columnIndex == 0)
				return "Attribute";
			return "cluster_" + model.getCluster(columnIndex - 1).getClusterId();
		}
	}
	
	@Override
	public TableModel getTableModel(Object renderable, IOContainer ioContainer, boolean isReporting) {
		CentroidClusterModel clusterModel = (CentroidClusterModel) renderable;
		if (clusterModel != null) {
			return new CentroidTableModel(clusterModel); 
		} else {
			return null;
		}
	}

	@Override
	public String getName() {
		return "Centroid Table";
	}
	
	@Override
	public boolean isAutoresize() {
		return false;
	}
}