The closest would be to save the style information into a database, so
when someone opens a layer (also saved in the database) they will be
using the same style.
Justin

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jody
Garnett
Sent: Friday, January 23, 2009 9:21 PM
To: User-friendly Desktop Internet GIS
Subject: Re: [udig-devel] How does one change the saving and loading sld
styleinformation?

There are a couple of aspects to what you are talking about. You 
mentioned making use of a database so I am going to take a couple wild 
guesses to try and figure out what you are getting at based on what 
others have done.

The uDig load/save mechanism for Maps is all about saving this 
information into a project directory. In the past people have wanted to 
either:
- save this information too and from a databases so users can work on a 
common set of maps
- save this information too and from an Open Web Context document (to be

attached to a wiki page)
- save just the style information into a database and "update" existing 
maps to use the latest style from the common central database

In each one of these cases you are going to get in there making your own

maps and layers; taking charge of the process your application uses to 
assemble a working Map data structure for udig to draw. Let me know 
which one of the above scenarios you are working towards and I can try 
and make more specific recommendations.

(the general idea is that these are just data structures so you can 
"load" and "save" them as you see fit)

If I can ask you to review the IRC logs from this weeks meeting; Moovida

requested a new "export style" extension point be created; it is not 
quite related to your request here - except in that it will represent 
another example of saving and loading a style to a file.

Jody

Justin R. Lynch wrote:
>
> Greetings everyone. We are currently using the sld style to render the

> layers for our project. We need to change where the information about 
> a layer's style is saved and loaded. We would like to be able to save 
> / load this information from a database. It seems that a SLDContent 
> (net.refractions.udig.style.sld) currently loads /saves this 
> information from the eclipse IMemento. If we were creating our own 
> style and renderer we could use these methods to instead load / save 
> to the database but I don't know how to use the sld style provided and

> replace just the save and load. The best I can come up with is to use 
> copy / paste reuse and basically copy all of the 
> net.refractions.udig.style.sld plug-in into another plug-in and just 
> change those two functions.
>
> Am I missing something? What is the correct way to change this 
> functionality?
>
> If I create a new style that just re-implements the StyleContent, 
> won't I have problems making that style get selected over the sld
style?
>
> Thanks,
>
> Justin
>
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