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Display master page footer on last page only with DE API

urabirt

Hi,
 
I'm designing a report with Design Engine API. In my report, I must display a label only at the end of the report's last page. To perform this, I tried to define a master page, assign it to "masterPage" property of the last row of the grid in the report, and add the master page to the global design. But the footer appears on every page of my report, which is not what I want, instead I want it to be visible only on the last page of my report. Below is the code I used, can you tell me what I did wrong? My grid displays can display on several pages, depending on content read from a dataSet. with page break correctly managed.
 
Thanks for your help
 
 
final SimpleMasterPageHandle masterPage = factory.newSimpleMasterPage("Page Master");
design.getMasterPages().add(masterPage);
final GridHandle gridHandle = factory.newGridItem("main grid", 2, 4);
design.getBody().add(grid);
final RowHandle lastRow = (RowHandle) grid.getRows().get(3);
lastRow.setProperty("masterPage", masterPage.getName());
finalStyleHandle style = label.getPrivateStyle();
style.setProperty(StyleHandle.FONT_FAMILY_PROP, ARIAL_FONT);
style.setTextAlign(DesignChoiceConstants.TEXT_ALIGN_CENTER);
label.setText("my label");
masterPage.getPageFooter().add(label);

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Comments

JFreeman

As long as you use separate run and render tasks for generating the report, you can add some script into the onRender of the label in the master page to hide it on every page except for the last.
 
For example:
<pre class="_prettyXprint _lang-js">
label.setOnRender("if(pageNumber < totalPage){this.getStyle().display = \"none\";}");
</pre>

urabirt

Thanks Jesse,
 
could you show a code sample illustrating how to separate run and render tasks. In my case, I think I do not separate these tasks, as I use the api :
 
design = engine.openReportDesign(myReportDesign);
IRunAndRenderTask task = engine.createRunAndRenderTask(design);
task.run():
 
Thanks a lot

JFreeman

Take a look at this documentation page on the Report Engine API: <a data-ipb='nomediaparse' href='https://eclipse.org/birt/documentation/integrating/reapi.php'>https://eclipse.org/birt/documentation/integrating/reapi.php</a>
 
Is includes samples for separate run and render tasks.

urabirt

worked like a charm
 
Thanks

JFreeman

You're welcome.
 
Let us know if you have additional questions.