/**
 * Copyright (C) 2001-2017 by RapidMiner and the contributors
 * 
 * Complete list of developers available at our web site:
 * 
 * http://rapidminer.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 java.awt.BorderLayout;
import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

import com.rapidminer.gui.look.Colors;
import com.rapidminer.gui.processeditor.results.ResultDisplayTools;
import com.rapidminer.gui.renderer.AbstractRenderer;
import com.rapidminer.gui.tools.ExtendedJScrollPane;
import com.rapidminer.gui.viewer.ClusterTreeVisualization;
import com.rapidminer.operator.IOContainer;
import com.rapidminer.operator.clustering.CentroidClusterModel;
import com.rapidminer.operator.clustering.ClusterModel;
import com.rapidminer.operator.clustering.HierarchicalClusterModel;
import com.rapidminer.report.Reportable;


/**
 * A renderer for the folder view of cluster models.
 *
 * @author Ingo Mierswa
 */
public class ClusterModelFolderRenderer extends AbstractRenderer {

	@Override
	public String getName() {
		return "Folder View";
	}

	@Override
	public Component getVisualizationComponent(Object renderable, IOContainer ioContainer) {
		JPanel panel = new JPanel(new BorderLayout());
		panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 5, 5));
		panel.setOpaque(true);
		panel.setBackground(Colors.WHITE);
		if (renderable instanceof HierarchicalClusterModel) {
			panel.add(new ClusterTreeVisualization((HierarchicalClusterModel) renderable), BorderLayout.CENTER);

			JScrollPane scrollPane = new ExtendedJScrollPane(panel);
			scrollPane.setBackground(Colors.WHITE);
			scrollPane.getViewport().setBackground(Colors.WHITE);
			return scrollPane;
		} else if (renderable instanceof ClusterModel) {
			panel.add(new ClusterTreeVisualization((ClusterModel) renderable), BorderLayout.CENTER);

			JScrollPane scrollPane = new ExtendedJScrollPane(panel);
			scrollPane.setBackground(Colors.WHITE);
			scrollPane.getViewport().setBackground(Colors.WHITE);
			return scrollPane;
		} else {
			return ResultDisplayTools
					.createErrorComponent("No folder visualization supported for this kind of cluster model "
							+ renderable.getClass());
		}
	}

	@Override
	public Reportable createReportable(Object renderable, IOContainer ioContainer, int width, int height) {
		ClusterTreeVisualization plotter = null;
		if (renderable instanceof HierarchicalClusterModel) {
			plotter = new ClusterTreeVisualization((HierarchicalClusterModel) renderable);
		} else if (renderable instanceof CentroidClusterModel) {
			plotter = new ClusterTreeVisualization((CentroidClusterModel) renderable);
		}
		if (plotter != null) {
			plotter.setSize(width, height);
		}
		return plotter;
	}
}