[OpenLayers-Trac] [OpenLayers] #1542: Format.SLD: add support for TextSymbolizer

[OpenLayers]

#1542: Format.SLD: add support for TextSymbolizer
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  Reporter:  bartvde     |       Owner:  tschaub    
      Type:  task        |      Status:  new        
  Priority:  minor       |   Milestone:  2.7 Release
 Component:  Format.SLD  |     Version:  2.6        
Resolution:              |    Keywords:             
     State:  Review      |  
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Comment (by tschaub):

 Hey Bart - This is a nice addition.  I think we'll eventually want to
 support more ogc:expressions.  With that in mind, I decided a "label"
 property in the text symbolizer would more closely fit the sld:Label
 element.  This parser has support for limited expression handling, so you
 can do something like:

 {{{
 var symbolizer = {
     "Text": {
         "label": "There are ${population} people in ${state}.",
         "fontFamily": "Arial" // etc
     }
 };
 }}}

 I also added a test to demonstrate it working.  Let me know if this works
 for you.

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Ticket URL: <http://trac.openlayers.org/ticket/1542#comment:4>
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