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Registers a callback that's fired when a drawing mode shape is changed.
Returns an ID which can be passed to unlisten() to unregister the callback.
Usage
Returns
DrawingTools.onShapeChange(callback)
String
Argument
Type
Details
this: ui.map.drawingtools
ui.Map.DrawingTools
The ui.Map.DrawingTools instance.
callback
Function
The callback to fire when the shape is changed. The callback is passed two parameters: the drawing mode shape as a string (or null for cancel) and the ui.Map.DrawingTools widget that the event listener is bound to. The shape values are:
- point
- line
- polygon
- rectangle
- null