[Seaside] Seaside 3.1 and Pharo issues
David Carlos Manuelda
stormbyte at gmail.com
Thu Jan 8 10:04:50 UTC 2015
Currently, there are issues with latest stable seaside and pharo, which have
been talked before but seems not getting much attention, and some of them
are important, so I want to do a little summary here.
First of all, I have to say that I am new on smalltalk, pharo and seaside,
and started by reading Pharo by example, Deep into Pharo and Seaside
tutorial by Hasso Plattner Institut.
One of the issues (minor) is an error in startup script for linux which
comes with the Seaside one click experience tarball (3.1) which I made a
patch to correct:
--- Seaside3.1-OneClick.app/Pharo2.0-portable.sh.original 2014-01-30
12:28:38.000000000 +0100
+++ Seaside3.1-OneClick.app/Pharo2.0-portable.sh 2015-01-08
10:47:31.306292421 +0100
@@ -24,7 +24,7 @@
# execute
exec "$LINUX/pharo" \
- -plugins "$LINUX" \
- -encoding utf8 \
+ --plugins "$LINUX" \
+ --encoding utf8 \
-vm-display-X11 \
"$image"
Other issue, that is specially important because it confuses new users (like
me) is that there are things which only works with pharo3 and not with
pharo2, and other, that do work with pharo2 but not in pharo3, which is
confusing, because the one click experience tarball comes with pharo2, so I
try to enumerate them here:
** Halos, and code editing:
- Pharo2: OK, working normally
- Pharo3: DANGEROUS, partially not working, and when it works it makes
you lose code, I explain:
x There are times in which you simply get the error:
MessageNotUnderstood: receiver of "generateWithSource" is nil and you can't
edit code
x When you don't get the above error, then you can edit code but when
trying to save, I detected 2 possible bad behaviors:
- Save appears to work, but when you actually browse the code
you changed via browser in pharo, you see your whole method's code is
replaced by self methodHasNoSourceCode, in this case you lost your original
code
- Save not working, and debugger is raised, telling you:
Unknown variable (the method name you just edited), for example, in my case
I edited via browser the initialize method, and I got Unknown variable
initialize.
** Seaside Control Panel:
- Pharo3: OK, no errors
- Pharo2: Not working:
x Menu entry is missing
x If you invoke it manually or you just use the one that is raised
when you open firstly the one click experience image:
* Right click not showing anything (in pharo3 right click
displays add adapter and that kind of options)
* Selecting an adapter and clicking "Browse" give you: Not
understood message WAServerAdapterToolbar>>owner
* Start/Stop options also shows above message not understood
error
Summary: Again, I am not an expert, and some of these issues are not
important enough, because seaside continues to work, but in my honest
opinion, that incongruity of functionality between versions 2 and 3, do not
make much sense, and make user to chose between comodity (seaside control
panel) and functionality (halos).
Any opinions to this? Thanks for taking your time to read :)
David.
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