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| import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Calendar;
import java.util.Date;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.data.category.IntervalCategoryDataset;
import org.jfree.data.gantt.Task;
import org.jfree.data.gantt.TaskSeries;
import org.jfree.data.gantt.TaskSeriesCollection;
import org.jfree.data.time.SimpleTimePeriod;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class First extends ApplicationFrame {
public First(final String title) {
super(title);
final IntervalCategoryDataset dataset = createDataset();
final JFreeChart chart = createChart(dataset);
// add the chart to a panel...
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(1000, 500));
setContentPane(chartPanel);
}
public static IntervalCategoryDataset createDataset() {
final TaskSeriesCollection collection = new TaskSeriesCollection();
final TaskSeries s1 = new TaskSeries("Scheduled");
Connection Con = null;
try
{
Class.forName("com.mysql.jdbc.Driver");
}
catch (ClassNotFoundException e)
{
System.out.println("Impossible de charger le pilote jdbc " +e);
}
//connection a la base de données
System.out.println("Connection a la base de données");
try
{
Con = DriverManager.getConnection("jdbc:mysql://localhost:3307/bdreclam","root","1234");
}
catch (SQLException e)
{
System.out.println("Connection à la base de données impossible "+ e);
}
String requete="select * from affectation;";
try
{
Statement stmt = Con.createStatement();
ResultSet res = stmt.executeQuery(requete);
while (res.next())
{
String ch1=res.getString("Date_deb_des");
String ch2=res.getString("Date_fin_des");
int jj=Integer.parseInt(ch1.substring(0,2));
int mm=Integer.parseInt(ch1.substring(3,5));
int aa=Integer.parseInt(ch1.substring(6,10));
int j=Integer.parseInt(ch2.substring(0,2));
int m=Integer.parseInt(ch2.substring(3,5));
int a=Integer.parseInt(ch2.substring(6,10));
System.out.println(res.getString("mat_emp")+" : "+jj+"/"+mm+"/"+aa+" to "+j+"/"+m+"/"+a);
s1.add(new Task(res.getString("mat_emp")+" "+res.getString("idrec"),new SimpleTimePeriod(date(jj,mm-1,aa),date(j,m-1,a))));
}
collection.add(s1);
}
catch (SQLException e) {
e.printStackTrace();
}
return collection;
}
/**
* Utility method for creating <code>Date</code> objects.
*
* @param day the date.
* @param month the month.
* @param year the year.
*
* @return a date.
*/
private static Date date(final int day, final int month, final int year) {
final Calendar calendar = Calendar.getInstance();
calendar.set(year, month, day);
final Date result = calendar.getTime();
return result;
}
/**
* Creates a chart.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart(final IntervalCategoryDataset dataset) {
final JFreeChart chart = ChartFactory.createGanttChart(
"Tâches Des Informaticiens", // chart title
"Tâche", // domain axis label
"Date", // range axis label
dataset, // data
true, // include legend
true, // tooltips
true // urls
);
// chart.getCategoryPlot().getDomainAxis().setMaxCategoryLabelWidthRatio(10.0f);
return chart;
}
/**
* Starting point for the demonstration application.
*
* @param args ignored.
*/
public static void main(final String[] args) {
final First demo = new First("Disponibilité Des Informaticiens");
demo.pack();
RefineryUtilities.centerFrameOnScreen(demo);
demo.setVisible(true);
}
} |
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