Hi Sascha,
----- Original Message -----
From: "Sascha Zelzer" <[email protected]>
To: [email protected]
Sent: Tuesday, 16 February, 2010 19:13:51 GMT +00:00 GMT Britain, Ireland,
Portugal
Subject: Re: [mitk-users] Creating my own app using the bundle generator.
Hi Tangi,
the bundle generator certainly has some limitations. I would really like to
have an advanced graphical tool which can generate code using different
templates. Unfortunately, we lack man power for this kind of project.
I am not in my office this week, so I can not look at the code of the bundle
generator right now, but I hope my comments below are still correct.
Am 15.02.2010 17:26, schrieb Tangi Meyer:
Hi Sascha,
Thank you for your answer.
I have some questions regarding bundles generation:
- when I'm creating my mainApp bundle, I cannot uncheck the use GUI_SUPPORT
option and this creates a view class in another repository/bundle ... If I
uncheck the GUI_SUPPORT option then, the generated CMAKE files still embed
references to Qt which causes CMAKE to not work. I will try to post some
snapshots.
It is important to understand that the code for the executable (e.g. for
ExtApp.exe or your own) which is generated by the bundle generator does not
belong to any bundle. It is something "external" to the set of bundles, which
should just be a really small wrapper which calls the berry::Starter::Start
method.
Ok that is how I see it.
The generator is not able to generate code for an executable only. I don't know
right now why you can't switch off GUI_SUPPORT, but once enabled and you run
CMake configure, the files are generated. Turning it off afterwards does not
delete the already generated files. However, you can just delete the generated
bundle.
I did it just after my last email.
You may still include the executable code in a bundle directory and merge the
bundles CMakeLists.txt file and the one for the executable. This is done for
example in the org.blueberry.osgi bundle, which also defines an executable (see
its CMakeLists.txt file). But this is just some CMake stuff.
I have been mixing CMake and bundle generation problems but I'm starting to
improve ... :)
- how are the dependencies in the bundle generator handled? I'm trying to use
the required plugins option but I do not see the impact of it. In particular,
my mainApp requires every include and dependencies repositories to be set by
hand ...
The dependencies you can declare in the bundle generator are dependencies
between bundles only. They do not apply to the executable. Those dependencies
are written into the bundles MANIFEST.MF file and the build system uses them to
set up the include paths and linker dependencies properly. The OSGi runtime
also uses the dependencies when loading a bundle - it ensures that all the
bundles it depends on are loaded before.
Ok.
You should not need to add additional dependencies (in CMake) to your
executable. It should only depend on org.blueberry.osgi, which takes care of
the rest. All other dependencies to other bundles or external libraries should
ideally be handled be some of your own bundles.
This is not the case for the ExtApp so that confused me a little.
- concerning the workbench, I will basically have to generate a bundle and then
modify by hand the CMAKE files and C++ files?
Basically, yes. You should not need to touch the CMakeLists.txt file of the
generated bundle. Just add the source files to the files.cmake file and add
your own implementation of IApplication as an extension in your plugin.xml file
(and in the manifest.cpp file).
OK.
I will come back to you if I have other questions that pop to my mind.
Please do so :-)
Here is one!
Is there a mean to specify the use of only a limited number of plugins from the
MITK Bundles repository ?
E.g. shall I exclud them from the application toolbar? or specify direct access
to the plugin repository through the Poco datapath management in myApp.cpp?
Best,
Tangi
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