package org.wcb.gui.forms.report;
   
   import org.wcb.model.bd.LogbookDelegate;
   import org.wcb.model.vo.hibernate.Logbook;
   import org.wcb.model.util.SpringUtil;
   import org.wcb.model.service.IServicesConstants;
   import org.wcb.resources.MessageResourceRegister;
   import org.wcb.resources.MessageKey;
   import org.jfree.chart.JFreeChart;
  import org.jfree.chart.ChartFactory;
  import org.jfree.chart.ChartPanel;
  import org.jfree.chart.axis.DateAxis;
  import org.jfree.chart.plot.XYPlot;
  import org.jfree.chart.renderer.xy.XYItemRenderer;
  import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
  import org.jfree.data.time.Month;
  import org.jfree.data.time.TimeSeries;
  import org.jfree.data.time.TimeSeriesCollection;
  import org.jfree.data.xy.XYDataset;
  import org.jfree.ui.RectangleInsets;
  
  import javax.swing.*;
  import java.awt.*;
  import java.text.SimpleDateFormat;
  import java.util.*;
  
  /**
   * <small>
   * Copyright (c)  2006  wbogaardt.
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
   * <p/>
   * $File:  $ <br>
   * $Change:  $ submitted by $Author: wbogaardt $ at $DateTime: Apr 3, 2006 2:53:41 PM $ <br>
   * </small>
   *
   * @author wbogaardt
   * @version 1
   *          Date: Apr 3, 2006
   *          Time: 2:53:41 PM
   */
  
  public class TotalFlightTimeByMonthReportForm extends JPanel implements ReportRefresh {
  
      private LogbookDelegate delegate;
      private ChartPanel chartPanel;
  
      public TotalFlightTimeByMonthReportForm() {
          delegate = (LogbookDelegate) SpringUtil.getApplicationContext().getBean(IServicesConstants.LOGBOOK_DELEGATE);
          initComponents();
      }
  
      public void refresh() {
           XYDataset data  = this.getData();
          JFreeChart chart = ChartFactory.createTimeSeriesChart(
                  "Time By Month",  // title
                  "Date",             // x-axis label
                  "Hours Flown",   // y-axis label
                  data,            // data
                  true,               // create legend?
                  true,               // generate tooltips?
                  false               // generate URLs?
          );
          chart.setBackgroundPaint(Color.white);
          XYPlot plot = (XYPlot) chart.getPlot();
          plot.setBackgroundPaint(Color.lightGray);
          plot.setDomainGridlinePaint(Color.white);
          plot.setRangeGridlinePaint(Color.white);
          plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
          plot.setDomainCrosshairVisible(true);
          plot.setRangeCrosshairVisible(true);
          plot.setNoDataMessage(MessageResourceRegister.getInstance().getValue(MessageKey.LABEL_NODATA));
  
          XYItemRenderer r = plot.getRenderer();
          if (r instanceof XYLineAndShapeRenderer) {
              XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
              renderer.setBaseShapesVisible(true);
              renderer.setBaseShapesFilled(true);
          }
  
          DateAxis axis = (DateAxis) plot.getDomainAxis();
          axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
          chartPanel.setChart(chart);
      }
  
      private void initComponents() {
          XYDataset data  = this.getData();
          JFreeChart chart = ChartFactory.createTimeSeriesChart(
                 "Time By Month",  // title
                 "Date",             // x-axis label
                 "Hours Flown",   // y-axis label
                 data,            // data
                 true,               // create legend?
                 true,               // generate tooltips?
                 false               // generate URLs?
         );
         chart.setBackgroundPaint(Color.white);
         XYPlot plot = (XYPlot) chart.getPlot();
         plot.setBackgroundPaint(Color.lightGray);
         plot.setDomainGridlinePaint(Color.white);
         plot.setRangeGridlinePaint(Color.white);
         plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
         plot.setDomainCrosshairVisible(true);
         plot.setRangeCrosshairVisible(true);
         plot.setNoDataMessage(MessageResourceRegister.getInstance().getValue(MessageKey.LABEL_NODATA));
 
         XYItemRenderer r = plot.getRenderer();
         if (r instanceof XYLineAndShapeRenderer) {
             XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
             renderer.setBaseShapesVisible(true);
             renderer.setBaseShapesFilled(true);
         }
 
         DateAxis axis = (DateAxis) plot.getDomainAxis();
         axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
         chartPanel = new ChartPanel(chart);
         add(chartPanel);
     }
 
     private XYDataset getData() {
         java.util.List<Logbook> rows = delegate.getAllLogbookEntries();
         HashMap map = new HashMap();
         Month tempMonth;
         for(Logbook item : rows) {
             int year;
             if(item.getEntryDate().getYear() < 1900) {
                 year = 1900 + item.getEntryDate().getYear();
             } else {
                 year = item.getEntryDate().getYear();
             }
 
             GregorianCalendar cal = new GregorianCalendar(year, item.getEntryDate().getMonth(),1);
 
             tempMonth = new Month(cal.get(Calendar.MONTH) + 1, cal.get(Calendar.YEAR));
             double value = getNotNullValue(map.get(tempMonth));
             if (value == 0) {
                 map.put(tempMonth, item.getFlightDuration());
             } else {
                 double flightDuration = value + item.getFlightDuration();
                 map.put(tempMonth, flightDuration);
             }
         }
 
         TimeSeries s1 = new TimeSeries("Flight Hours", Month.class);
 
         Set<Month> itemkeys = map.keySet();
         for(Month itemk : itemkeys) {
             s1.add(itemk, (Double) map.get(itemk));
         }
 
 
         TimeSeriesCollection dataset = new TimeSeriesCollection();
         dataset.addSeries(s1);
         return dataset;
     }
 
     private double getNotNullValue(Object val) {
         try {
             return (Double) val;
         } catch (NullPointerException npe) {
             return 0.0;
         }
 
     }
 }