[ka-Map-dev] [Bug 1283] New: [ka-Map] add support for maxExtents

[bugzilla-daemon at bugzilla.maptools.org]

http://bugzilla.maptools.org/show_bug.cgi?id=1283

           Summary: [ka-Map] add support for maxExtents
           Product: ka-Map
           Version: 0.3
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: core
        AssignedTo: ka-map-dev at lists.maptools.org
        ReportedBy: pspencer at dmsolutions.ca


the proposal is to add support for limiting panning to maximum extents.  Preliminary work on this 
patch is being done by Tim Schaub.

Changes required:

- modify init.php to process max_extents metadata as follows:

if not set, no max_extents
if set, it can be either:
  AUTO: use the map extents as the max extents
  extents: comma or space separated minx miny maxx maxy format

- modify kaMap.js as follows:
  add a checkMaxExtents function to do the work of figuring out if a move has hit the max extents
  add calls to checkMaxExtents at various points in the code to ensure the max_extents are respected



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