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Extension Point for Preference Initializer is not called [message #210697]

Tue, 15 May 2007 09:11

Eclipse User

Originally posted by: rob.schilling.web.de

Hi,

I have got a problem with the extension points in my project. I try to
initialize some default values to my preference store using an extension
point
"org.eclipse.core.runtime.preferences" with one initializer class in the
plugin.xml. But this class ist never called when the project starts up.

Can anyone help me,

Greets Robert

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Re: Extension Point for Preference Initializer is not called [message #210706 is a reply to message #210697]

Tue, 15 May 2007 10:49

Guenther Koegel

Messages: 56
Registered: July 2009

Member

Dear Robert,

the initialization happens upon first *access* to the preferences. The
call to your class is deferred until it's really needed. Your class
*provides* a way to initialize the variables the same way the activator
initializes your plug-in upon first *access* anywhere in your plug-in.
That's the magic of Eclipse.

Bye

Günther

Robert Schilling wrote:
> Hi,
>
> I have got a problem with the extension points in my project. I try to
> initialize some default values to my preference store using an extension
> point
> "org.eclipse.core.runtime.preferences" with one initializer class in the
> plugin.xml. But this class ist never called when the project starts up.
>
> Can anyone help me,
> Greets Robert
>

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Re: Extension Point for Preference Initializer is not called [message #210744 is a reply to message #210706]

Tue, 15 May 2007 13:56

Eclipse User

Originally posted by: rob.schilling.web.de

Hmm, it wonŽt start even if i call the preference page, that ist my
problem:-(

greets

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Re: Extension Point for Preference Initializer is not called [message #210864 is a reply to message #210744]

Wed, 16 May 2007 07:13

Guenther Koegel

Messages: 56
Registered: July 2009

Member

Robert Schilling wrote:
> Hmm, it wonŽt start even if i call the preference page, that ist my
> problem:-(
>
> greets
>

Hi Robert,

the preference pages use a different extension:
"org.eclipse.ui.preferencePages". Would you be so kind and check your
implementation with the following questions in mind:

* How is your UI element connected with the preference store of your
plug-in?
* How does your UI element know which preference to use?
* Is your Preference Initializer triggered if you access the preference
store inside your plug-in?

Bye,

Günther

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Re: Extension Point for Preference Initializer is not called [message #210913 is a reply to message #210864]

Wed, 16 May 2007 09:59

Eclipse User

Originally posted by: rob.schilling.web.de

Hmm,

I think weŽre not talking about the same problem. I have got one extension
for the preference page and itŽs UI elements
"org.eclipse.ui.preferencePages" where I have shown all points as I want
them to be, but on this preference page I want to initialize some
textfields with the preferencestore.
My problem is, that I define an extension point for the preferencestore
initialization "org.eclipse.core.runtime.preferences" but this initializer
class is never called by the project.

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