/*
* org.openmicroscopy.shoola.util.ui.graphutils.PieChart
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2007 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.ui.graphutils;
//Java imports
import java.awt.Color;
import java.util.ArrayList;
import java.util.List;
//Third-party libraries
import org.jfree.chart.ChartFactory;
import org.jfree.chart.plot.PiePlot3D;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.util.Rotation;
//Application-internal dependencies
/**
* Displays a pie chart using <code>JfreeChart</code>.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $Date: $)
* </small>
* @since OME3.0
*/
public class PieChart
extends ChartObject
{
/** Data for each series. */
private List<Double> data;
/** The pie chart dataset. */
private DefaultPieDataset dataset;
/** Initializes */
private void initialize()
{
data = new ArrayList<Double>();
colours = new ArrayList<Color>();
dataset = new DefaultPieDataset();
}
/** Creates a new instance.*/
public PieChart()
{
super("");
initialize();
}
/**
* Creates a new instance.
*
* @param title The title of the graph.
* @param newLegends The legends of each value.
* @param newData The data for each value.
* @param newColours The colours for each value.
*/
public PieChart(String title, List<String> newLegends, List<Double> newData,
List<Color> newColours)
{
super(title);
if (newLegends == null || newData == null || newColours == null ||
newLegends.size() != newData.size() &&
newLegends.size()!=newColours.size())
throw new IllegalArgumentException("Mismatch between argument " +
"length");
initialize();
for (int i = 0 ; i < newLegends.size(); i++)
addValue(newLegends.get(i), newData.get(i), newColours.get(i));
}
/**
* Adds a new values to the piechars.
*
* @param legend The name of the new values.
* @param newData The data.
* @param color The colour of the values.
* @return The total number of values in the plot, this also gives the id
* of the just added value.
*/
public int addValue(String legend, double newData, Color color)
{
legends.add(legend);
data.add(newData);
colours.add(color);
dataset.setValue(legend, newData);
return dataset.getItemCount();
}
/**
* Creates the chart.
* @see ChartObject#createChar()
*/
void createChart()
{
chart = ChartFactory.createPieChart3D(title, dataset, false, true,
false);
PiePlot3D plot = (PiePlot3D) chart.getPlot();
if (backgroundImage != null) {
plot.setBackgroundImage(backgroundImage);
}
plot.setDirection(Rotation.CLOCKWISE);
plot.setForegroundAlpha(0.55f);
}
}