Two way communication between a flash island and its webdynpro container is possible and you can achieve it in more than one way.
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Main application mxml is ZSAB_ISL_SPFLIGHT following an ABAP like naming convention. Everything is built on two variables shared between flex and webdynpro: flightList and currentFlight. Every time they get updated, the map overlays get updated as well.
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Flex is not that great when you want to print multiple pages combined content. Things like multiple datagrids intercalated with textfields for example. Add the requirement for a header and a footer and things start getting really complicated. Maybe you also need to have an identification element like a watermark on each page beneath the actual page content…
PDFDriver can handle all of the above. It makes use of two open source libraries (alivepdf and flexreport) and adds a little magic of its own.
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