Data_Visualization_In_Java/LibraryArea.java at master · shlokashah/Data_Visualization_In_Java · GitHub

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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
packagefinalproject;
/**
 *
 * @author shlok
 */
importjava.awt.Color;
importjava.io.IOException;
importjava.sql.Connection;
importjava.sql.ResultSet;
importjava.sql.SQLException;
importjava.sql.Statement;
importorg.knowm.xchart.PieChart;
importorg.knowm.xchart.PieChartBuilder;
importorg.knowm.xchart.PieSeries.PieSeriesRenderStyle;
importorg.knowm.xchart.XChartPanel;
importorg.knowm.xchart.demo.charts.ExampleChart;
importorg.knowm.xchart.style.PieStyler.AnnotationType;
importorg.knowm.xchart.style.Styler;
importorg.knowm.xchart.style.Styler.ChartTheme;
importorg.knowm.xchart.style.colors.BaseSeriesColors;
importorg.knowm.xchart.style.colors.ChartColor;
publicclassLibraryAreaimplementsExampleChart<PieChart> {

publicXChartPanelgetPanel() throwsIOException {

ExampleChart<PieChart> exampleChart = newLibraryArea();
PieChartchart = exampleChart.getChart();
XChartPanelpanel=newXChartPanel(chart);
returnpanel;
 }

@Override
publicPieChartgetChart() {
Connectioncon = DbConnect.getConnection();
// Create Chart
PieChartchart =
newPieChartBuilder()
 .width(1366)
 .height(748)
 .title("LIBRARY AREA IN SQUARE METRES")
 .theme(ChartTheme.GGPlot2).build();
// Customize Chart
chart.getStyler().setLegendVisible(true);
chart.getStyler().setAnnotationType(AnnotationType.Label);
chart.getStyler().setAnnotationDistance(.82);
chart.getStyler().setPlotContentSize(.9);
chart.getStyler().setDefaultSeriesRenderStyle(PieSeriesRenderStyle.Donut);
chart.getStyler().setDecimalPattern("#");
chart.getStyler().setSeriesColors(newBaseSeriesColors().getSeriesColors());
chart.getStyler().setSumVisible(true);
chart.getStyler().setSumFontSize(30f);
chart.getStyler().setChartBackgroundColor(Color.LIGHT_GRAY);
chart.getStyler().setToolTipsEnabled(true);
chart.getStyler().setToolTipType(Styler.ToolTipType.yLabels);
chart.getStyler().setPlotBackgroundColor(ChartColor.getAWTColor(ChartColor.WHITE));
// Series
try {
Statementstatement = con.createStatement();
ResultSetresultSet = statement.executeQuery("SELECT * FROM libraryarea");
doubledata = 0;
Stringstr = "";
while (resultSet.next())
 {
str = resultSet.getString("TYPE");
data=(Double.parseDouble(resultSet.getString("AREA")));
chart.addSeries(str,data);
 }
 }
catch (NumberFormatException | SQLExceptione)
 {
System.out.println(e);
 }
returnchart;
 }
}