[mapguide-users] how to refresh legend panel when create a dynamic layer ??

[Paul Spencer]

No, that was the point of filing the enhancement ticket so that it can  
be added in the future

Cheers

Paul

On 6-Jun-08, at 10:56 AM, foolfish wrote:

>
> thank you!
>
> Is it possible to add dynamic layer to the Legend at client? when i  
> create a
> dynamic layer at server ,  to return the dynamic layer information to
> client,then add layer to Legend use javascript.
>
> It's only my thought,but i don't know how to do so.
>
> Is it possible？
> --------------------------------------------------------------
>
> Paul Spencer-5 wrote:
>>
>> Right now, that is really the only way to refresh the legend - it
>> currently gets its information from the map widget about which layers
>> make up the map.  And the only way to tell the map to add a layer  
>> that
>> was dynamically added from the server is to call reloadMap.
>>
>> I agree that this is a performance problem.  Currently, the Map  
>> widget
>> retrieves a lot of potentially unnecessary information about the
>> layers and it would be nice to refactor this to be a bit smarter.  We
>> would still need to call reloadMap I think but we could slim down  
>> what
>> happens on the server side (in LoadMap.php) to just return the layer
>> list rather than enumerate all the scale ranges and styles of each
>> layer.  Then the Legend can be a bit smarter about requesting the
>> scale range and style information for just layers that have changed.
>>
>> I've filed http://trac.osgeo.org/fusion/ticket/75 to track this
>> change, but it won't be something we tackle for a while - patches
>> graciously accepted if someone else wants to tackle it.
>>
>> Cheers
>>
>> Paul
>>
>> On 6-Jun-08, at 4:44 AM, foolfish wrote:
>>
>>>
>>> i can use document.getElementById("Map").widget.aMaps[0].reloadMap()
>>> to
>>> refresh both Legend and Map.but the problem is it's too slow~
>>>
>>> i want to know how to refresh Legend alone.
>>>
>>> Perhaps it's a bug of fusion, i guess～
>>>
>>> Can anyone answer to me?:thinking:
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>
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