Add drawing toolbar to map

This sample shows how to use the Drawing Tools module and display the drawing toolbar on the map.

Interaction types

• click - click/touch the map to add a position. Double click, press "c" key or click the toolbar to complete drawing.
• freehand - press and hold the mouse/touch down. Mouse up, press "c" key to complete drawing.
• hybrid (default) - combines click and freehand together and allows switching midway through a drawing.

Keyboard shortcuts:

• "f" key - add a position where the mouse pointer is with increased percision.
• "c" key - complete a shape.
• "esc" key - cancel the draw.

To get the drawn data, use the drawingManager.getSource() function.