Class GSDrawingHandler

Base class for creating helper classes for drawing SVG features.

Class Summary
Constructor Attributes	Constructor Name and Description
	GSDrawingHandler(layer, options) Constructs a new `GSDrawingHandler`.

Method Summary
Method Attributes	Method Name and Description
	cancelDrawing() Cancels the current drawing operation
	snapPoint(point) Snap a point to any other snappable features on the map
	startDrawing() Start the drawing operation
	stopDrawing() Stop the drawing operation and, if possible, create the shape

Class Detail

GSDrawingHandler(layer, options)

Constructs a new GSDrawingHandler. This class should not be instantiated directly.

Parameters:
{GSLayer} layer: the layer object that this drawing handler will create features on
{Object} options Optional: an object literal specifying the options to set:
{String} options.drawStyle: object literal specifying the style properties to use while drawing the shape
{Object} options.featureOptions: options to set on new features created by the drawing handler. Any valid option supported by the feature type to be drawn
{Function} options.onShapeCreated: callback function that is invoked when drawing has finished and the shape is created. Receives the newly created shape as an argument.
{Function} options.onDrawingCancelled: callback function that is invoked when a drawing is cancelled, no shape is created.

Method Detail

cancelDrawing()

Cancels the current drawing operation

{GSPoint} snapPoint(point)

Snap a point to any other snappable features on the map

startDrawing()

Start the drawing operation

stopDrawing()

Stop the drawing operation and, if possible, create the shape