I attach some files which implement an easy pluggability model to help people who may want to use FOP as a reporting package within Swing apps.
They're still fairly broken, especially the -print method, which does silent
printing - it doesn't complain, it just doesn't print either - so help with
that would be appreciated. The internationalisation thing's sort of
truncated as well
Files
SwingHandler
This is the class you'd call from your application. You shouldn't need to
call any other FOP class directly. You construct it with the FO file you
want to use. The package makes no contribution to how you generate this
file. Other constructors could readily be added for people using xsl, etc.
It then has simple methods to save/print/preview that file. Print is
currently broken. PrintRenderer is an inner class and extends the
AWTRenderer, but I wonder if it could be done by extending the PDFRenderer,
as that has better conformance and results - ideas?
SwingPreviewDialog
This is a bashed about version of org.apache.fop.viewer.PreviewDialog. The
changes are
1/ a save button is added, and both the save() and print() methods call back
to the SwingHandler rather than being implemented within the PreviewDialog
2/ it extends JPanel, not JFrame, so it can be easily embedded into wherever
suits in your application.
FileFilter
An implementation of FileFilter used in the save() method to ensure pdf's
only are shown
Constants & images/*.gif
I shoved the ugly button images in SwingPreviewDialog into this: I'm not
sure what the FOP way is.
SwingDemo
A simple commented class showing how it can be used.
java org.apache.fop.apps.SwingDemo -preview/-print/-save
sorry, haven't taught it to exit by itself :-(
If there's any interest in rolling this back into FOP, I'll continue working
to make it conform: if not, I'll make it part of my application and use all
my logging/image/etc services. Just thought I'd get an opinion before
spending any more time.
If it were to be rolled back in, then the AWTStarter should probably use
this rather than having two separate implementations of the PreviewDialog,
and the SwingPreviewDialog & FileFilter should go into org.apache.fop.viewer
Alistair
To be done:
Restore full internationalisation
Make viewer prettier (buttons, zoom, etc)
Center AWT preview in dialog when you can see full width (currently
lopsided)
Improve message handling in AWTViewer
Mend print method: use PDFRenderer instead of AWTRenderer?
Constructor for org.xml.sax.InputSource
Allow users to set initial directory in JFileChooser in save()
Allow choice of multiple file formats in save method [wait until rtf is
implemented?]
SwingHandler.zip
Description: Zip compressed data
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