[ka-Map-users] auto query

Stephen Woodbridge woodbri at swoodbridge.com
Mon Jan 9 22:32:07 EST 2006

Looks nice, but it has broken the double click to recenter.


Brent Pedersen wrote:
> hi,
> the new updates to kaMap are looking great, thanks all!
> the main issue i hear from users of kaMap is that it's not intuitive to 
> switch between navigate and query mode (darned google maps!).
> so i added a check in kaNavigator.  if the mouseup event occurs near a 
> mousedown event (within 3 pixels, but easily changed), assume its a 
> query, and send the coords to the myQuery function. else the mouseup and 
> mousedown events are far apart, it must be a drag, so carry on as usual.
> obviously this only works for point queries, but it avoids turning 
> kaNavigator on and off to do simple queries.
> it only requires one extra line in startUp.js:
> myKaNavigator.setAutoQuery(1,myQuery);
> where myQuery is the function that is called if the mouseup/down are 
> near.  if that function is not called or it is recalled with 0, the 
> kaMap navigation will behave as before.
> a working example (with the default alert() in myQuery) and the modified 
> kaTool.js are currently at:
> http://mul-115-1.cnr.berkeley.edu/fire/geoFRAP/map/htdocs/
> may be useful.
> -brent
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