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Re: [udig-devel] Listening to changes to the new LegendItems list
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If you are adding items to that list; it will send events out. You will need to do a bit of digging to find the correct list to listen to and what events to expect out the other side.
On Tuesday, 28 February 2012 at 3:08 PM, Nazareno Chan wrote:
Yep, I’m testing if I’ll be able to check the events by programmatically adding items into the LegendList. Is it expected that I’m not seeing events at this
point?
Thanks alot!
From: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [mailto:udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx]
On Behalf Of Jody Garnett
Sent: Tuesday, 28 February 2012 3:59 PM
To: User-friendly Desktop Internet GIS
Subject: Re: [udig-devel] Listening to changes to the new LegendItems list
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:
adding the same adapter to the list itself (list is of type LayersList2)
adding it to the layers in the list
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
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.
Should these listeners’ setup be customized and added to the map?
Or should these be readily available considering that they are EMF objects?
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communication in error, you may not copy or distribute any part of it or otherwise disclose its contents to anyone. Please advise the sender of your incorrect receipt of this correspondence.
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