/**
* Copyright 2011 - 2014 Xeiam LLC.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.xeiam.xchart.demo.charts.bar;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Random;
import com.xeiam.xchart.Chart;
import com.xeiam.xchart.ChartBuilder;
import com.xeiam.xchart.Series;
import com.xeiam.xchart.SeriesColor;
import com.xeiam.xchart.StyleManager.ChartTheme;
import com.xeiam.xchart.StyleManager.ChartType;
import com.xeiam.xchart.SwingWrapper;
import com.xeiam.xchart.demo.charts.ExampleChart;
/**
* Date Categories
* <p>
* Demonstrates the following:
* <ul>
* <li>Date categories
* <li>All negative values
* <li>Single series
* <li>No horizontal plot gridlines
* <li>Change series color
* <li>MATLAB Theme
*/
public class BarChart02 implements ExampleChart {
public static void main(String[] args) {
ExampleChart exampleChart = new BarChart02();
Chart chart = exampleChart.getChart();
new SwingWrapper(chart).displayChart();
}
@Override
public Chart getChart() {
// Create Chart
Chart chart = new ChartBuilder().theme(ChartTheme.Matlab).chartType(ChartType.Bar).width(800).height(600).title("Units Sold Per Year").xAxisTitle("Year").yAxisTitle("Units Sold").build();
List<Date> xData = new ArrayList<Date>();
Collection<Number> yData = new ArrayList<Number>();
Random random = new Random();
DateFormat sdf = new SimpleDateFormat("yyyy");
Date date = null;
for (int i = 1; i <= 8; i++) {
try {
date = sdf.parse("" + (2000 + i));
} catch (ParseException e) {
e.printStackTrace();
}
xData.add(date);
yData.add(-1 * 0.00000001 * ((random.nextInt(i) + 1)));
}
Series series = chart.addSeries("Model 77", xData, yData);
series.setLineColor(SeriesColor.RED);
chart.getStyleManager().setPlotGridLinesVisible(false);
chart.getStyleManager().setBarFilled(false);
return chart;
}
}