At 23.04.2012 07:10, Jim Ursetto wrote:
Hi,
I noticed the database shapes set can change the end arrow type on references
but
not the start arrow. I was just curious if this was omitted for a reason.
I did not implement it the way it is and I'm not an expert in database
diagrams. But a reason might be that the direction of the connection
actually has a meaning. If so: arrows on both sides of the line would
reduce the meaning.
I thought it might be useful, so I implemented start arrows at:
https://raw.github.com/gist/2468876/5046e5d3ef4174379eab24e836749504ccdef294/dia-0.97.2-dbarrow.patch
It is against HEAD but applies fine to 0.97.2.
There seems to be no downside except old files will print some warnings until
you re-save:
1) loading old file into new dia: will warn to stderr that start_arrow is
missing for all references,
This is not the way backward compatibility is handled in Dia. The right
behaviour would be to initialize to the previous default without any
warning whatsoever.
and default correctly to no start arrow
2) loading new file into old dia: will ignore the start arrows
Regards,
Hans
-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it. -- Dilbert
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