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Print Page Footer Band only for the last page


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By: Kok Hoor - kokhoor

Print Page Footer Band only for the last page

2003-05-27 20:35

1. Is it possible to enter an expression to only print the page footer at the last page of the report?

Can a scriptlet helps?

 

2. I am using JasperReports to print invoice, and want to display the Grand Total at the end. Summary Band doesn't work because I want the Grand Total to be displayed at the bottom of the last page. Is there any way to do this?

 

3. Consider the case of printing multiple invoices. I will then need to print the Grand Total on the end of every group (invoice group). Can this be done as well?

 

4. I can't use subreport, unless I am able to pass in the connection url, userid and password.

 

Regards,

Kok Hoor

 

 

 

 

By: Victor Gieci - drummer

RE: Print Page Footer Band only for the last page

2003-05-27 22:13

Hello. To your question about the footer on the last page -> see this thread: http://sourceforge.net/forum/message.php?msg_id=1984322. The solution is there.

 

Cheers

 

 

 

 

By: Teodor Danciu - teodord

RE: Print Page Footer Band only for the last

2003-05-28 00:18

 

Hi,

 

3. Use the "evaluationTime" attribute for you Grand Total

attributes.

 

4. If the master report receives a connection, the you

can pass it further to your subreports using the

built-in parameter REPORT_CONNECTION.

Check the "subreport" sample provided.

 

Thank you,

Teodor

 

 

 

 

 

By: Teodor Danciu - teodord

RE: Print Page Footer Band only for the last

2003-05-28 00:20

 

Hi,

 

3. Use the "evaluationTime" attribute for you Grand Total

attributes.

 

4. If the master report receives a connection, the you

can pass it further to your subreports using the

built-in parameter REPORT_CONNECTION.

Check the "subreport" sample provided.

 

Thank you,

Teodor

 

 

 

 

 

By: Kok Hoor - kokhoor

RE: Print Page Footer Band only for the last

2003-05-28 22:25

Thanks for your replies. I will work on it to make sure it works, and post a result on that.

 

However, just two quick notes:

 

1. It will be great if we can have more than one Page Header and more than one Page Footer. This way, we can print different page footer based on the expression.

 

2. If we add an init method to JRDataSource:

 

public void init()

 

and allow the JRDataSource to read parameters and fields, just like Scriptlets:

 

getFieldValue, getParameterValue, getVariableValue, setData, setVariableValue

 

Then the first time we access the JRDataSource, we call the init function, then we can easily extend JRDataSource to actually allow us to populate data into sub-reports without resorting to using existing connection.

 

Just my 2 cents.

 

Regards,

Kok Hoor

 

 

 

 

By: Kok Hoor - kokhoor

RE: Print Page Footer Band only for the last page

2003-05-29 04:15

Hi all,

 

JasperReports, plus the JasperReports forum is really great!!! Thanks

to you guys for being so helpful. I have solved my problem (at least half of it). I am writing

what I did right now, hopefully it can help as a guide for newbies.

There might be a better approach, but anyway:

 

1. I wrote a scriptlet, which I called the FooterFixScriptlet. It is

derived from JRDefaultScriptlet, and consist of only 1 function:

 

public String setValue(String var, Object val) throws JRScriptletException

{

System.out.println("Set Value : " + var + " : " + val);

setVariableValue("FooterFix", val);

return "";

}

 

2. Next, I created a variable, which is 'System calculated',

that will be used by the Page Footer "printWhen" expression to determine

whether the footer should be printed or not:

 

<variable name="FooterFix" class="java.lang.Boolean" resetType="Report" calculation="System">

<variableExpression><![CDATA[boolean.FALSE]]></variableExpression>

<initialValueExpression><![CDATA[boolean.FALSE]]></initialValueExpression>

</variable>

 

3. Thirdly, I created a dummy group, GroupHeader is 0 in height and GroupFooter

is 0 in height. There is a textfield (x,y, width, height = 0) in the dummy group with the expression:

 

( (report.FooterFixScriptlet) ((JRFillParameter)parsm.get(JRParameter.REPORT_SCRIPTLET)).getValue()).

setValue("FooterFix", Boolean.TRUE);

 

4. The "printWhen" expression for Page Footer would be:

 

$V{FooterFix}

 

However, I think that a more elegant approach would be to have a System set variable,

say $V{NO_MORE_RECORDS} that is automatically set to false when there are no more rows

in the recordset passed in (can we have that feature in JasperReports?). Or perhaps, an additional call to

the Scriptlet?

 

Another possibility is to actually have the ability to have the option of printing anything such as a group

footer, or even the summary at the end of the report. I used this option in Crystal Reports. Not comparing

really, but only a suggestion.

 

Lastly, I was looking at the possibility of creating a solution for printing only the page footer whenever

the end of a group is encountered. (In my case, it is for the purpose of batch printing multiple invoices).

My approach is to set the FooterFix variable to false in the page footer, so that everytime a page footer is

printed, subsequent page footer (next page) will not be printed unless an end of group is met in the next page.

However, this does not work as soon as I have the 'isStartNewPage' = true for the group, I don't quite

understand why. I'll research more on this and try to post more info.

 

Anyway, thanks. At least I got part of my job done. Thanks everybody, Thanks JasperReports. This is

one very cool open-source project. My only concern is how well the JasperReport can churn out big reports,

since there is no PDF-streaming. Anybody uses JasperReports to print large reports?

 

Regards,

Kok Hoor

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