A handler for keyboard events. Create a new instance with the ALKMaps.Handler.Keyboard constructor.
| ALKMaps. | A handler for keyboard events. |
| Constants | |
| KEY_EVENTS | keydown, keypress, keyup |
| Properties | |
| eventListener | {Function} |
| observeElement | {DOMElement|String} The DOM element on which we listen for key events. |
| Constructor | |
| ALKMaps. | Returns a new keyboard handler. |
| Functions | |
| destroy | |
| activate | |
| deactivate | |
| handleKeyEvent |
Returns a new keyboard handler.
| control | {ALKMaps.Control} The control that is making use of this handler. If a handler is being used without a control, the handlers setMap method must be overridden to deal properly with the map. |
| callbacks | {Object} An object containing a single function to be called when the drag operation is finished. The callback should expect to receive a single argument, the pixel location of the event. Callbacks for ‘keydown’, ‘keypress’, and ‘keyup’ are supported. |
| options | {Object} Optional object whose properties will be set on the handler. |
destroy: function()
activate: function()
deactivate: function()
handleKeyEvent: function ( evt )