How To Work On Variable In Action

[haoyong]

This recipe demonstrates how to work on variable in action.

Steps taken:

1. Create a report template (VariableInAction.rml) using the given datasource (FruitSales.ds).
2. Enter the following script into “Report Properties > Scripts > On Render Begin”:pagecount=0;
   pageCount = 0;
   pageFooters = new java.util.ArrayList();
3. Enter the following script into “Report Properties > Scripts > On Render End”:i = 1;
   it = pageFooters.iterator();
   while (it.hasNext())
   {
   fn = it.next();
   fn(fn.target,i,pageCount);
   ++i;
   }
4. Enter the following script into “Functions > Render If”:pagecount++ !=0
5. Add a Data Field (Type: Script) into the blank area of “Page Header”. Enter the following script into “Field Properties > Field”:"PageCount = " + pagecount
6. Add a Data Field (Type: Script) into the blank area of “Page Footer”. Enter the following script into “Field Properties > Field”:"PageCount = " + pagecount
7. Define the following function in “Functions > On Render End”:function fn(t,pageNo,pageTotal)
   {
   t.setText("Page “+pageNo+” of "+pageTotal);
   }
   fn.target = result.getLogicalElement(0);
   pageFooters.add(fn);
   ++pageCount;
8. Enter the following script in “Functions > Render If”:pagecount != pageCount;

To download the necessary files for this recipe, refer to the attached ZIP package.
VariableInAction.zip (4.2 KB)