Extension points for plugins
dispatch( map, funcName, leaflet = stop(paste(funcName, "requires a map proxy object")), leaflet_proxy = stop(paste(funcName, "does not support map proxy objects")) ) invokeMethod(map, data, method, ...)
map | a map object, as returned from |
---|---|
funcName | the name of the function that the user called that caused
this |
leaflet | an action to be performed if the map is from
|
leaflet_proxy | an action to be performed if the map is from
|
data | a data object that will be used when evaluating formulas in
|
method | the name of the JavaScript method to invoke |
... | unnamed arguments to be passed to the JavaScript method |
dispatch
returns the value of leaflet
or
leaflet_proxy
, or an error. invokeMethod
returns the
map
object that was passed in, possibly modified.