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Switching Master Page Dynamically Based Upon Output Format

virgosmart

Hello, I have a report which has two masterpages, one for web and other for print (xls, pdf, doc etc.). This report sources data from a few DB2 tables and lays it out as a table or a crosstab. I need to choose the correct masterpage based upon the requested output format (e.g. web or xls). I have a custom "report runner" servlet that does the basic bootstrapping and calls one of the two "report handlers" viz, OneStepReportRequestHandler - runs/renders the report using the IRunAndRenderTask or TwoStepReportRequestHandler - runs the report using IRunTask and renders the report using IRenderTask. Both these classes check the output format and switch the masterpage ReportDesignHandle reportDesign = .....; try { Try 1: DesignElementHandle dataContainer = reportDesign.findElement("MyReportDataTable");
dataContainer.setProperty("masterPage", printMasterPageName); Try 2: SharedStyleHandle containerRenderHandle = dataContainer.getElementFactory().newStyle("hisMastersPage");
containerRenderHandle.setMasterPage(printMasterPageName);
reportDesign.getStyles().add(containerRenderHandle);
dataContainer.setStyle(containerRenderHandle);

}
catch (ContentException e) {
}
catch (NameException e) {
}
catch (StyleException e) {
}
catch (SemanticException e) {
}
There are no exception thrown any where at runtime. The masterpage switching happens correctly if the report is run using OneStepReportRequestHandler (i.e. IRunAndRenderTask) where as the first masterpage defined within the report is always applied if the report is run using the TwoStepReportRequestHandler (i.e. separate IRunTask and IRenderTask approach). Where am I going wrong ? Other options tried:1) Switching the master page using JavaScript on report's initialize and beforeFactory events. -- Did not work.2) Keeping a single masterpage -- Works, but defeats the purpose (I need separate masterpages)

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Comments

mwilliams

Is "MyReportDataTable" the first item in the report? The masterpage should be set on the first element in the report and it should change for all elements in the report unless you specify another masterpage for an element that starts on a new page.