SalesChart


1   package charts;
2   
3   import dinamica.*;
4   
5   /**
6    * Demo Charting Transaction
7    **/
8   public class SalesChart extends GenericTransaction
9   {
10  
11      /* (non-Javadoc)
12       * @see dinamica.GenericTransaction#service(dinamica.Recordset)
13       */
14      public int service(Recordset inputParams) throws Throwable  
15      {
16          
17          int rc = super.service(inputParams);
18          
19          /* create a recordset with ChartInfo column structure */
20          Recordset rs = getChartInfoRecordset();
21  
22          /* set chart configuration parameters */
23          rs.addNew();
24          rs.setValue("title", "Total Sales by Category");
25          rs.setValue("title-x", "Category"); //irrelevant for pie charts
26          rs.setValue("title-y", "Sales in US$"); //irrelevant for pie charts
27          rs.setValue("column-x", "categoryname"); 
28  
29  
30          //if multiseries then type multiple column names separated by ";"
31          rs.setValue("column-y", "subtotal"); 
32  
33          rs.setValue("title-series", null); //no series - otherwise set label names separated by ";"
34          rs.setValue("width", new Integer  (500)); //in pixels
35          rs.setValue("height", new Integer  (350)); //in pixels
36          rs.setValue("data", "sales.sql"); //recordset that must be stored in session attribute
37          
38          /* select the type of chart you want to use */
39          rs.setValue("chart-plugin", "dinamica.charts.HorizontalBarChart");
40          
41          /* publish recordset to be consumed by output module */
42          publish("chartinfo", rs);
43          
44          return rc;
45          
46      }
47  
48  }
49
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