ui.Map.DrawingTools.onShapeChange

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.

UsageReturns
DrawingTools.onShapeChange(callback)String
ArgumentTypeDetails
this: ui.map.drawingtoolsui.Map.DrawingToolsThe ui.Map.DrawingTools instance.
callbackFunctionThe 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