/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library 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 2.1 of the License, or * (at your option) any later version. * * This library 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 this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * --------------------------- * MatrixSeriesCollection.java * --------------------------- * (C) Copyright 2003-2014, by Barak Naveh and Contributors. * * Original Author: Barak Naveh; * Contributor(s): David Gilbert (for Object Refinery Limited); * * Changes * ------- * 10-Jul-2003 : Version 1 contributed by Barak Naveh (DG); * 05-May-2004 : Now extends AbstractXYZDataset (DG); * 15-Jul-2004 : Switched getZ() and getZValue() methods (DG); * ------------- JFREECHART 1.0.x --------------------------------------------- * 27-Nov-2006 : Added clone() override (DG); * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG); * 22-Apr-2008 : Implemented PublicCloneable (DG); * 17-Jun-2012 : Removed JCommon dependencies (DG); * */ package org.jfree.data.xy; import java.io.Serializable; import java.util.List; import org.jfree.chart.util.ObjectUtils; import org.jfree.chart.util.ParamChecks; import org.jfree.chart.util.PublicCloneable; /** * Represents a collection of {@link MatrixSeries} that can be used as a * dataset. * * @see org.jfree.data.xy.MatrixSeries */ public class MatrixSeriesCollection extends AbstractXYZDataset implements XYZDataset, PublicCloneable, Serializable { /** For serialization. */ private static final long serialVersionUID = -3197705779242543945L; /** The series that are included in the collection. */ private List<MatrixSeries> seriesList; /** * Constructs an empty dataset. */ public MatrixSeriesCollection() { this(null); } /** * Constructs a dataset and populates it with a single matrix series. * * @param series the time series. */ public MatrixSeriesCollection(MatrixSeries series) { this.seriesList = new java.util.ArrayList<MatrixSeries>(); if (series != null) { this.seriesList.add(series); series.addChangeListener(this); } } /** * Returns the number of items in the specified series. * * @param seriesIndex zero-based series index. * * @return The number of items in the specified series. */ @Override public int getItemCount(int seriesIndex) { return getSeries(seriesIndex).getItemCount(); } /** * Returns the series having the specified index. * * @param seriesIndex zero-based series index. * * @return The series. */ public MatrixSeries getSeries(int seriesIndex) { if ((seriesIndex < 0) || (seriesIndex > getSeriesCount())) { throw new IllegalArgumentException("Index outside valid range."); } MatrixSeries series = this.seriesList.get(seriesIndex); return series; } /** * Returns the number of series in the collection. * * @return The number of series in the collection. */ @Override public int getSeriesCount() { return this.seriesList.size(); } /** * Returns the key for a series. * * @param seriesIndex zero-based series index. * * @return The key for a series. */ @Override public Comparable getSeriesKey(int seriesIndex) { return getSeries(seriesIndex).getKey(); } /** * Returns the j index value of the specified Mij matrix item in the * specified matrix series. * * @param seriesIndex zero-based series index. * @param itemIndex zero-based item index. * * @return The j index value for the specified matrix item. * * @see org.jfree.data.xy.XYDataset#getXValue(int, int) */ @Override public Number getX(int seriesIndex, int itemIndex) { MatrixSeries series = this.seriesList.get(seriesIndex); int x = series.getItemColumn(itemIndex); return x; // I know it's bad to create object. better idea? } /** * Returns the i index value of the specified Mij matrix item in the * specified matrix series. * * @param seriesIndex zero-based series index. * @param itemIndex zero-based item index. * * @return The i index value for the specified matrix item. * * @see org.jfree.data.xy.XYDataset#getYValue(int, int) */ @Override public Number getY(int seriesIndex, int itemIndex) { MatrixSeries series = this.seriesList.get(seriesIndex); int y = series.getItemRow(itemIndex); return y; // I know it's bad to create object. better idea? } /** * Returns the Mij item value of the specified Mij matrix item in the * specified matrix series. * * @param seriesIndex the series (zero-based index). * @param itemIndex zero-based item index. * * @return The Mij item value for the specified matrix item. * * @see org.jfree.data.xy.XYZDataset#getZValue(int, int) */ @Override public Number getZ(int seriesIndex, int itemIndex) { MatrixSeries series = this.seriesList.get(seriesIndex); Number z = series.getItem(itemIndex); return z; } /** * Adds a series to the collection. * <P> * Notifies all registered listeners that the dataset has changed. * </p> * * @param series the series (<code>null</code> not permitted). */ public void addSeries(MatrixSeries series) { ParamChecks.nullNotPermitted(series, "series"); // FIXME: Check that there isn't already a series with the same key this.seriesList.add(series); series.addChangeListener(this); fireDatasetChanged(); } /** * Tests this collection for equality with an arbitrary object. * * @param obj the object. * * @return A boolean. */ @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (obj == this) { return true; } if (obj instanceof MatrixSeriesCollection) { MatrixSeriesCollection c = (MatrixSeriesCollection) obj; return ObjectUtils.equal(this.seriesList, c.seriesList); } return false; } /** * Returns a hash code. * * @return A hash code. */ @Override public int hashCode() { return (this.seriesList != null ? this.seriesList.hashCode() : 0); } /** * Returns a clone of this instance. * * @return A clone. * * @throws CloneNotSupportedException if there is a problem. */ @Override public Object clone() throws CloneNotSupportedException { MatrixSeriesCollection clone = (MatrixSeriesCollection) super.clone(); clone.seriesList = ObjectUtils.deepClone(this.seriesList); return clone; } /** * Removes all the series from the collection. * <P> * Notifies all registered listeners that the dataset has changed. * </p> */ public void removeAllSeries() { // Unregister the collection as a change listener to each series in // the collection. for (MatrixSeries series : this.seriesList) { series.removeChangeListener(this); } // Remove all the series from the collection and notify listeners. this.seriesList.clear(); fireDatasetChanged(); } /** * Removes a series from the collection. * <P> * Notifies all registered listeners that the dataset has changed. * </p> * * @param series the series (<code>null</code>). */ public void removeSeries(MatrixSeries series) { ParamChecks.nullNotPermitted(series, "series"); if (this.seriesList.contains(series)) { series.removeChangeListener(this); this.seriesList.remove(series); fireDatasetChanged(); } } /** * Removes a series from the collection. * <P> * Notifies all registered listeners that the dataset has changed. * * @param seriesIndex the series (zero based index). */ public void removeSeries(int seriesIndex) { if ((seriesIndex < 0) || (seriesIndex > getSeriesCount())) { throw new IllegalArgumentException("Index outside valid range."); } // fetch the series, remove the change listener, then remove the series. MatrixSeries series = this.seriesList.get(seriesIndex); series.removeChangeListener(this); this.seriesList.remove(seriesIndex); fireDatasetChanged(); } }