/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.plugin.jfreereport.reportcharts.backport;
import org.jfree.data.DefaultKeyedValues2D;
import org.jfree.data.DomainInfo;
import org.jfree.data.Range;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.data.xy.AbstractIntervalXYDataset;
import org.jfree.data.xy.CategoryTableXYDataset;
import org.jfree.data.xy.IntervalXYDataset;
import org.jfree.data.xy.IntervalXYDelegate;
import org.jfree.data.xy.TableXYDataset;
import org.jfree.util.PublicCloneable;
/**
* An implementation variant of the {@link org.jfree.data.xy.TableXYDataset} where every series shares the same x-values
* (required for generating stacked area charts). This implementation uses a {@link org.jfree.data.DefaultKeyedValues2D}
* Object as backend implementation and is hence more "category oriented" than the {@link
* org.jfree.data.xy.DefaultTableXYDataset} implementation.
* <p/>
* This implementation provides no means to remove data items yet. This is due to the lack of such facility in the
* DefaultKeyedValues2D class.
* <p/>
* This class also implements the {@link org.jfree.data.xy.IntervalXYDataset} interface, but this implementation is
* provisional.
*/
public class ExtCategoryTableXYDataset extends AbstractIntervalXYDataset
implements TableXYDataset, IntervalXYDataset, DomainInfo,
PublicCloneable {
/**
* The backing data structure.
*/
private DefaultKeyedValues2D values;
/**
* A delegate for controlling the interval width.
*/
private IntervalXYDelegate intervalDelegate;
/**
* Creates a new empty CategoryTableXYDataset.
*/
public ExtCategoryTableXYDataset() {
this.values = new DefaultKeyedValues2D( true );
this.intervalDelegate = new IntervalXYDelegate( this );
addChangeListener( this.intervalDelegate );
}
/**
* Adds a data item to this dataset and sends a {@link org.jfree.data.general.DatasetChangeEvent} to all registered
* listeners.
*
* @param x the x value.
* @param y the y value.
* @param seriesName the name of the series to add the data item.
*/
public void add( final double x, final double y, final Comparable seriesName ) {
add( new Double( x ), new Double( y ), seriesName, true );
}
/**
* Adds a data item to this dataset and, if requested, sends a {@link org.jfree.data.general.DatasetChangeEvent} to
* all registered listeners.
*
* @param x the x value.
* @param y the y value.
* @param seriesName the name of the series to add the data item.
* @param notify notify listeners?
*/
public void add( final Number x, final Number y, final Comparable seriesName, final boolean notify ) {
this.values.addValue( y, (Comparable) x, seriesName );
if ( notify ) {
fireDatasetChanged();
}
}
/**
* Removes a value from the dataset.
*
* @param x the x-value.
* @param seriesName the series name.
*/
public void remove( final double x, final Comparable seriesName ) {
remove( new Double( x ), seriesName, true );
}
/**
* Removes an item from the dataset.
*
* @param x the x-value.
* @param seriesName the series name.
* @param notify notify listeners?
*/
public void remove( final Number x, final Comparable seriesName, final boolean notify ) {
this.values.removeValue( (Comparable) x, seriesName );
if ( notify ) {
fireDatasetChanged();
}
}
/**
* Returns the number of series in the collection.
*
* @return The series count.
*/
public int getSeriesCount() {
return this.values.getColumnCount();
}
/**
* Returns the key for a series.
*
* @param series the series index (zero-based).
* @return The key for a series.
*/
public Comparable getSeriesKey( final int series ) {
return this.values.getColumnKey( series );
}
/**
* Returns the number of x values in the dataset.
*
* @return The item count.
*/
public int getItemCount() {
return this.values.getRowCount();
}
/**
* Returns the number of items in the specified series. Returns the same as {@link
* CategoryTableXYDataset#getItemCount()}.
*
* @param series the series index (zero-based).
* @return The item count.
*/
public int getItemCount( final int series ) {
return getItemCount(); // all series have the same number of items in
// this dataset
}
/**
* Returns the x-value for the specified series and item.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The value.
*/
public Number getX( final int series, final int item ) {
return (Number) this.values.getRowKey( item );
}
/**
* Returns the starting X value for the specified series and item.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The starting X value.
*/
public Number getStartX( final int series, final int item ) {
return this.intervalDelegate.getStartX( series, item );
}
/**
* Returns the ending X value for the specified series and item.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The ending X value.
*/
public Number getEndX( final int series, final int item ) {
return this.intervalDelegate.getEndX( series, item );
}
/**
* Returns the y-value for the specified series and item.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The y value (possibly <code>null</code>).
*/
public Number getY( final int series, final int item ) {
return this.values.getValue( item, series );
}
/**
* Returns the starting Y value for the specified series and item.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The starting Y value.
*/
public Number getStartY( final int series, final int item ) {
return getY( series, item );
}
/**
* Returns the ending Y value for the specified series and item.
*
* @param series the series index (zero-based).
* @param item the item index (zero-based).
* @return The ending Y value.
*/
public Number getEndY( final int series, final int item ) {
return getY( series, item );
}
/**
* Returns the minimum x-value in the dataset.
*
* @param includeInterval a flag that determines whether or not the x-interval is taken into account.
* @return The minimum value.
*/
public double getDomainLowerBound( final boolean includeInterval ) {
return this.intervalDelegate.getDomainLowerBound( includeInterval );
}
/**
* Returns the maximum x-value in the dataset.
*
* @param includeInterval a flag that determines whether or not the x-interval is taken into account.
* @return The maximum value.
*/
public double getDomainUpperBound( final boolean includeInterval ) {
return this.intervalDelegate.getDomainUpperBound( includeInterval );
}
/**
* Returns the range of the values in this dataset's domain.
*
* @param includeInterval a flag that determines whether or not the x-interval is taken into account.
* @return The range.
*/
public Range getDomainBounds( final boolean includeInterval ) {
if ( includeInterval ) {
return this.intervalDelegate.getDomainBounds( includeInterval );
} else {
return DatasetUtilities.iterateDomainBounds( this, includeInterval );
}
}
/**
* Returns the interval position factor.
*
* @return The interval position factor.
*/
public double getIntervalPositionFactor() {
return this.intervalDelegate.getIntervalPositionFactor();
}
/**
* Sets the interval position factor. Must be between 0.0 and 1.0 inclusive. If the factor is 0.5, the gap is in the
* middle of the x values. If it is lesser than 0.5, the gap is farther to the left and if greater than 0.5 it gets
* farther to the right.
*
* @param d the new interval position factor.
*/
public void setIntervalPositionFactor( final double d ) {
this.intervalDelegate.setIntervalPositionFactor( d );
fireDatasetChanged();
}
/**
* Returns the full interval width.
*
* @return The interval width to use.
*/
public double getIntervalWidth() {
return this.intervalDelegate.getIntervalWidth();
}
/**
* Sets the interval width to a fixed value, and sends a {@link org.jfree.data.general.DatasetChangeEvent} to all
* registered listeners.
*
* @param d the new interval width (must be > 0).
*/
public void setIntervalWidth( final double d ) {
this.intervalDelegate.setFixedIntervalWidth( d );
fireDatasetChanged();
}
/**
* Returns whether the interval width is automatically calculated or not.
*
* @return whether the width is automatically calculated or not.
*/
public boolean isAutoWidth() {
return this.intervalDelegate.isAutoWidth();
}
/**
* Sets the flag that indicates whether the interval width is automatically calculated or not.
*
* @param b the flag.
*/
public void setAutoWidth( final boolean b ) {
this.intervalDelegate.setAutoWidth( b );
fireDatasetChanged();
}
/**
* Tests this dataset for equality with an arbitrary object.
*
* @param obj the object (<code>null</code> permitted).
* @return A boolean.
*/
public boolean equals( final Object obj ) {
if ( !( obj instanceof ExtCategoryTableXYDataset ) ) {
return false;
}
final ExtCategoryTableXYDataset that = (ExtCategoryTableXYDataset) obj;
if ( !this.intervalDelegate.equals( that.intervalDelegate ) ) {
return false;
}
if ( !this.values.equals( that.values ) ) {
return false;
}
return true;
}
/**
* Returns an independent copy of this dataset.
*
* @return A clone.
* @throws CloneNotSupportedException if there is some reason that cloning cannot be performed.
*/
public Object clone() throws CloneNotSupportedException {
final ExtCategoryTableXYDataset clone = (ExtCategoryTableXYDataset) super.clone();
clone.values = (DefaultKeyedValues2D) this.values.clone();
clone.intervalDelegate = new IntervalXYDelegate( clone );
// need to configure the intervalDelegate to match the original
clone.intervalDelegate.setFixedIntervalWidth( getIntervalWidth() );
clone.intervalDelegate.setAutoWidth( isAutoWidth() );
clone.intervalDelegate.setIntervalPositionFactor(
getIntervalPositionFactor() );
return clone;
}
}