[fusion-trac] #551: Redline: Configurable data store type

[Fusion]

#551: Redline: Configurable data store type
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   Reporter:  jng      |       Owner:  jng   
       Type:  defect   |      Status:  new   
   Priority:  P2       |   Milestone:  Future
  Component:  Widgets  |     Version:  2.0   
   Severity:  Major    |    Keywords:        
External_id:           |       State:  New   
    Browser:  All      |          Os:  All   
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 The current choice of data store for the Redline widget is SDF.

 Because we're using MgFileFeatureSourceParams server-side for creating the
 initial Redline data store, we should be able to extend this to support
 any other provider supported by this class like SQLite and SHP. The
 redline FDO schema is simple enough even for a schematically constrained
 format like SHP.

 For SHP it would have to be a special case where if the user chooses to
 download the data, we need to "download" the SHP file and its dependent
 data files to a temp location and serve out a zipped version of this file.

 We could then expose the data store type as a new widget extension
 property (defaulting to SDF to preserve original behaviour)

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Ticket URL: <http://trac.osgeo.org/fusion/ticket/551>
Fusion <http://trac.osgeo.org/fusion>
Fusion is a web-mapping application development framework for MapServer and MapGuide OS.