/*
 * Copyright (C) 2008-2015 by Holger Arndt
 *
 * This file is part of the Universal Java Matrix Package (UJMP).
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership and licensing.
 *
 * UJMP 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 2
 * of the License, or (at your option) any later version.
 *
 * UJMP 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with UJMP; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 */

package org.ujmp.gui.plot;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.util.ConcurrentModificationException;

import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.event.EventListenerList;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.TableCellRenderer;

import org.ujmp.core.Matrix;
import org.ujmp.gui.MatrixGUIObject;
import org.ujmp.gui.interfaces.CanBeUpdated;
import org.ujmp.gui.util.UIDefaults;
import org.ujmp.gui.util.UpdateListener;

public class MatrixPlot extends JPanel implements TableCellRenderer, CanBeUpdated, ListSelectionListener {
	private static final long serialVersionUID = -3845070497558608841L;

	private EventListenerList listenerList = null;

	private PlotSettings plotSettings = null;

	private XAxis xAxis = null;

	private YAxis yAxis = null;

	private ZeroAxis zeroAxis = null;

	private XGrid xGrid = null;

	private YGrid yGrid = null;

	private Traces traces = null;

	private PlotBackground plotBackground = null;

	private Selection selection = null;

	private RunningAveragePlot runningAveragePlot = null;

	public MatrixPlot(Matrix m) {
		this((MatrixGUIObject) m.getGUIObject(), false);
	}

	public MatrixPlot(MatrixGUIObject m, boolean registerListeners) {
		this();
		plotSettings.setMatrixGUIObject(m);
		if (registerListeners) {
			m.getRowSelectionModel().addListSelectionListener(this);
		}
	}

	public MatrixPlot() {
		this.plotSettings = new PlotSettings();
		this.xAxis = new XAxis(plotSettings);
		this.yAxis = new YAxis(plotSettings);
		this.zeroAxis = new ZeroAxis(plotSettings);
		this.xGrid = new XGrid(plotSettings);
		this.yGrid = new YGrid(plotSettings);
		this.plotBackground = new PlotBackground(plotSettings);
		this.traces = new Traces(plotSettings);
		this.selection = new Selection(plotSettings);
		this.runningAveragePlot = new RunningAveragePlot(plotSettings);
		setPreferredSize(new Dimension(800, 600));
		setMinimumSize(new Dimension(50, 50));
	}

	public void addUpdateListener(UpdateListener l) {
		getListenerList().add(UpdateListener.class, l);
	}

	public void removeUpdateListener(UpdateListener l) {
		getListenerList().remove(UpdateListener.class, l);
	}

	public EventListenerList getListenerList() {
		if (listenerList == null) {
			listenerList = new EventListenerList();
		}
		return listenerList;
	}

	public void fireUpdated() {
		if (listenerList != null) {
			for (Object o : listenerList.getListenerList()) {
				if (o instanceof UpdateListener)
					((UpdateListener) o).updated();
			}
		}
	}

	public void paintComponent(Graphics g) {
		try {
			super.paintComponent(g);
			//if (isShowing()) {
				MatrixGUIObject guiObject = plotSettings.getMatrixGUIObject();
				Graphics2D g2d = (Graphics2D) g;
				g2d.addRenderingHints(UIDefaults.AALIAS);

				if (guiObject == null) {
					return;
				}

				plotSettings.setHeight(getHeight());
				plotSettings.setWidth(getWidth());
				plotSettings.setMinXValue(0.0);
				plotSettings.setMaxXValue(guiObject.getRowCount() - 1);
				plotSettings.setMinYValue(-1);
				plotSettings.setMaxYValue(100);

				if (plotSettings.isShowPlotBackGround()) {
					plotBackground.paintComponent(g);
				}

				if (plotSettings.isShowXGrid()) {
					xGrid.paintComponent(g);
				}
				if (plotSettings.isShowYGrid()) {
					yGrid.paintComponent(g);
				}
				if (plotSettings.isShowXAxis()) {
					xAxis.paintComponent(g);
				}
				if (plotSettings.isShowYAxis()) {
					yAxis.paintComponent(g);
				}
				if (plotSettings.isShowZeroAxis()) {
					zeroAxis.paintComponent(g);
				}
				if (plotSettings.isShowSelection()) {
					selection.paintComponent(g);
				}
				if (plotSettings.isShowRunningAverage()) {
					runningAveragePlot.paintComponent(g);
				}

				traces.paintComponent(g);
			//}
		} catch (ConcurrentModificationException e) {
			// not too bad
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
			int row, int column) {
		if (value instanceof MatrixGUIObject) {
			plotSettings.setMatrixGUIObject((MatrixGUIObject) value);
		} else if (value instanceof Matrix) {
			plotSettings.setMatrixGUIObject((MatrixGUIObject) ((Matrix) value).getGUIObject());
		}

		if (isSelected) {
			plotSettings.setPlotBackGroundColor(table.getSelectionBackground());
		} else {
			plotSettings.setPlotBackGroundColor(new Color(216, 213, 196));
		}
		return this;
	}

	public PlotSettings getPlotSettings() {
		return plotSettings;
	}

	public void valueChanged(ListSelectionEvent e) {
		fireUpdated();
	}

}