Returns an ID which can be passed to unlisten() to unregister the callback.
Usage | Returns |
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DrawingTools.onShapeChange(callback) | String |
Argument | Type | Details |
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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 |