[OpenLayers-Trac] [OpenLayers] #2932: PanZoom Control: define button dimensions and positions entirely in CSS

[OpenLayers]

#2932: PanZoom Control: define button dimensions and positions entirely in CSS
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 Reporter:  fbuchinger  |       Owner:              
     Type:  feature     |      Status:  new         
 Priority:  major       |   Milestone:  2.11 Release
Component:  general     |     Version:  2.10        
 Keywords:              |       State:              
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 Regarding ticket #2799, I recommend a different approach: the positioning,
 dimensions and graphics of the buttons shouldn't be handled in
 !Control/PanZoom.js, but entirely by applying css rule in the theme.

 My rationale for this: even if we extent !PanZoom's parameters to accept
 arbitrary button graphics and dimensions (as suggested by #2799), we still
 cannot modify the shape/button layout of the control itself.

 To give a more concrete example: even with #2799 implemented, one can't
 create a !PanZoom control like the attached one, because the button layout
 is still hard-coded in the control.

 Instead, the layout should be defined in CSS using selector structures
 like `.olControlRPIPanZoom .olButtonNorth`, `.olControlRPIPanZoom
 .olButtonZoomIn` etc.

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Ticket URL: <http://trac.openlayers.org/ticket/2932>
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