On 31.07.2005 11:55:00 Simon Pepping wrote: > On Sat, Jul 30, 2005 at 03:35:07PM +0200, [EMAIL PROTECTED] wrote: > > ------- Additional Comments From [EMAIL PROTECTED] 2005-07-30 15:35 ------- > > Patch applied with some little modifications. Thanks a lot, Manuel! > > > > http://svn.apache.org/viewcvs?rev=226511&view=rev > > I changed this to a notify mechanism, similarly to that already used > in PSLM.activateLayout to notify the Root FO of the same. This gives a > more direct access to the formatting results.
Thanks! > It would be a nice solution to let embedding apps register themselves > as a FormattingResultsListener in the user agent. apps.Fop could do > the same to present the user with the formatting results if he > requires verbose output. I agree with the actual concept but I actually want something more general in the long-term. There are various aspects that I'd like to provide to embedders: - Number of pages over all and Number of pages for every page-sequence (obviously) - Callbacks on layout problems such as overflows, missing resources etc. (on which the listener can veto and therefore cause an exception.) [1] - Possibly additional hooks to insert images (via BufferedImage or providing a Graphics2D). We already have a stream insertion (or rather custom URI resolution) hook in FOUserAgent. Users have repeatedly asked for easy ways to do stuff like that. - there may be more. And! We need to split debugging output from verbose user information! Somehow. [1] Could be very interesting particularly for editor creators and people who want to be informed about every irrgularity in server-side mass document production. Every kind of problem should have an ID (machine-interpretation) and the error which go onto the log should also be i18n-ized (human-interpretation). Jeremias Maerki
