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Re: [udig-devel] Listening to changes to the new LegendItems list
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Naz can I confirm you are adding items to the legend list yet? I am still not sure if you should expect to see any events yet ...
On Tuesday, 28 February 2012 at 2:57 PM, Nazareno Chan wrote:
Nope, not at all Jody.
J
I did try to listen thru the deep adapter but I’m not getting the changes on the LegendItems list. So I tried to check how the LayersList does it, and it seems
to be doing this:
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adding the same adapter to the list itself (list is of type LayersList2)
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adding it to the layers in the list
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adding/removing it to newly added/removed layers to/from the list (thru ‘Interceptors’?)
Does this mean I should also follow the above implementation?
Thanks!
Naz Chan
From: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx]
On Behalf Of Jody Garnett
Sent: Tuesday, 28 February 2012 3:38 PM
To: User-friendly Desktop Internet GIS
Subject: Re: [udig-devel] Listening to changes to the new LegendItems list
I think you are saying the same thing:
a) I think you can just listen to the EMF notifications
b) a deep adaptor is how I think it does that (your listener is called an "adaptor" which is added to the Map and gets all notifications; you then check the notifications and only respond to the ones that relate to the Legend List)
I hope I have not made things worse with the above answer; I don't have the code in front of me :(
On Tuesday, 28 February 2012 at 1:25 PM, Nazareno Chan wrote:
Im trying to get to listen to changes on the LegendItems list (map.getLegend()), like how a map’s deep adapter or map composition listener does.
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Should these listeners’ setup be customized and added to the map?
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Or should these be readily available considering that they are EMF objects?
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