Home » Archived » IMP » Is there some kind of Guide to Prefspec field definitions?
| Is there some kind of Guide to Prefspec field definitions? [message #23543] |
Thu, 07 August 2008 20:04  |
Eclipse User |
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Originally posted by: mcriley.CohesionForce.com
The IMP-generated prefspecs file (pfsp) contains sample field definitions
for boolean, file, dirlist, int, and string. It appears there's also
support for radio buttons and combo boxes, but it's unclear how to specify
the definition of such a control.
I looked at the grammar for the prefspecs DSL and while I might be able to
build something that matches the grammar, how the components are to be
associated with one another is not obvious.
Any guidance (or example) would be appreciated!
Marc A. Criley
CohesionForce, Inc.
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| Re: Is there some kind of Guide to Prefspec field definitions? [message #24069 is a reply to message #23543] |
Mon, 25 August 2008 20:10  |
 Stan Sutton
Messages: 121
Registered: July 2009 |
Senior Member |
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Marc,
The PrefSpecs language (and compiler and generator) are incomplete with
respect to the specification (and compilation and generation) of fields
for combo boxes and radio buttons.
There are, however, methods in
org.eclipse.imp.preferences.PreferencesUtilities
that allow one to manually create fields of these types, i.e.,
makeNewComboField(..)
and
makeNewRadioGroupField(..)
My suggestion (if you haven't already figured this out) is to specify
your preference pages to the extent that you can using the fields
supported in PrefSpecs (int, string, boolean, etc.) and to generate your
pages on that basis. Then check out the generated code for calls to
makeNewIntegerField(..), makeNewBooleanField(..), etc. Then manually
insert the calls to makeNewComboField(..) and makeNewRadioGroupField(..)
into the appropriate points in your tabs where you'd like fields of
those types. The signatures of all of these "make...Field(..)" methods
are all generally analogous, differing mainly in the details of
available and default values and things like that. Knowing the kind of
field you'll be creating should make it fairly straightforward to
interpret the signature. If you have any questions about that, please
let me know.
Obviously the lack of support for these fields is something we should
address. Initially we got through the other field types and then kind
of ground to a halt as other concerns became more pressing. But we
should probably finish off at least this part of the PrefSpecs langauge
and support. If you don't mind, it would be great if you could enter a
bug report or enhancement request into Bugzilla on Eclipse. (Requests
like that will carry more weight if they come from an outside user.)
Apologies for the inconvenience!
Stan
Marc A. Criley wrote:
> The IMP-generated prefspecs file (pfsp) contains sample field
> definitions for boolean, file, dirlist, int, and string. It appears
> there's also support for radio buttons and combo boxes, but it's unclear
> how to specify the definition of such a control.
>
> I looked at the grammar for the prefspecs DSL and while I might be able
> to build something that matches the grammar, how the components are to
> be associated with one another is not obvious.
>
> Any guidance (or example) would be appreciated!
>
> Marc A. Criley
> CohesionForce, Inc.
>
>
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| Re: Is there some kind of Guide to Prefspec field definitions? [message #573168 is a reply to message #23543] |
Mon, 25 August 2008 20:10 |
Stan Sutton
Messages: 121
Registered: July 2009 |
Senior Member |
|
|
Marc,
The PrefSpecs language (and compiler and generator) are incomplete with
respect to the specification (and compilation and generation) of fields
for combo boxes and radio buttons.
There are, however, methods in
org.eclipse.imp.preferences.PreferencesUtilities
that allow one to manually create fields of these types, i.e.,
makeNewComboField(..)
and
makeNewRadioGroupField(..)
My suggestion (if you haven't already figured this out) is to specify
your preference pages to the extent that you can using the fields
supported in PrefSpecs (int, string, boolean, etc.) and to generate your
pages on that basis. Then check out the generated code for calls to
makeNewIntegerField(..), makeNewBooleanField(..), etc. Then manually
insert the calls to makeNewComboField(..) and makeNewRadioGroupField(..)
into the appropriate points in your tabs where you'd like fields of
those types. The signatures of all of these "make...Field(..)" methods
are all generally analogous, differing mainly in the details of
available and default values and things like that. Knowing the kind of
field you'll be creating should make it fairly straightforward to
interpret the signature. If you have any questions about that, please
let me know.
Obviously the lack of support for these fields is something we should
address. Initially we got through the other field types and then kind
of ground to a halt as other concerns became more pressing. But we
should probably finish off at least this part of the PrefSpecs langauge
and support. If you don't mind, it would be great if you could enter a
bug report or enhancement request into Bugzilla on Eclipse. (Requests
like that will carry more weight if they come from an outside user.)
Apologies for the inconvenience!
Stan
Marc A. Criley wrote:
> The IMP-generated prefspecs file (pfsp) contains sample field
> definitions for boolean, file, dirlist, int, and string. It appears
> there's also support for radio buttons and combo boxes, but it's unclear
> how to specify the definition of such a control.
>
> I looked at the grammar for the prefspecs DSL and while I might be able
> to build something that matches the grammar, how the components are to
> be associated with one another is not obvious.
>
> Any guidance (or example) would be appreciated!
>
> Marc A. Criley
> CohesionForce, Inc.
>
>
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