[fusion-trac] #538: Widgets that use digitization should relay status with MapMessage

[Fusion]

#538: Widgets that use digitization should relay status with MapMessage
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   Reporter:  jng          |       Owner:  jng   
       Type:  enhancement  |      Status:  new   
   Priority:  P2           |   Milestone:  Future
  Component:  Core         |     Version:  2.0   
   Severity:  Major        |    Keywords:        
External_id:               |       State:  New   
    Browser:  All          |          Os:  All   
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 The problem with most widgets that currently use digitization (eg.
 Measure, Redline) is that from a UX perspective there is no "visual"
 status shouting out at you that digitization is currently in progress.

 But we already have a component to do this: Fusion.MapMessage

 We can improve UX in digitizing by flashing the Fusion.MapMessage when
 starting the digitization and dismissing it when the digitization is
 completed. This way, the user can "see" that the viewer is still in the
 state of digitization. This is also useful for catching bugs involving
 digitization as a MapMessage that isn't dismissed indicates a digitizer
 has not been properly deactivated.

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Ticket URL: <http://trac.osgeo.org/fusion/ticket/538>
Fusion <http://trac.osgeo.org/fusion>
Fusion is a web-mapping application development framework for MapServer and MapGuide OS.