[mapguide-trac] #1546: Ajax quick plot enhancements: mouse cursor and event controlling

[MapGuide Open Source]

#1546: Ajax quick plot enhancements: mouse cursor and event controlling
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   Reporter:  wuma              |       Owner:  Mars Wu
       Type:  enhancement       |      Status:  new    
   Priority:  low               |   Milestone:         
  Component:  General           |     Version:  2.1.0  
   Severity:  trivial           |    Keywords:         
External_id:  1369628, 1369666  |  
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 1. It's an issue: when move the mouse pointer to the center point of the
 capture box, the cursor is "rotate". The correct cursor should be "move".
 I fixed it by moving the "start point" of the rotate handler to the
 "capture box" canvas.

 2. It's an enhancement: add a method to suppress all events for the
 capture box, like move, rotate, warning message etc. Then some functions
 could use quick plot to draw only a rectangle on screen. In these cases,
 the events are not necessary.

 Because the fix and the enhancement are connected closely, I just combine
 them into a single submission.

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Ticket URL: <http://trac.osgeo.org/mapguide/ticket/1546>
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