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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Handler/Keyboard.js')
-rw-r--r-- | misc/openlayers/lib/OpenLayers/Handler/Keyboard.js | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Handler/Keyboard.js b/misc/openlayers/lib/OpenLayers/Handler/Keyboard.js deleted file mode 100644 index de7a464..0000000 --- a/misc/openlayers/lib/OpenLayers/Handler/Keyboard.js +++ /dev/null @@ -1,117 +0,0 @@ -/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for - * full list of contributors). Published under the 2-clause BSD license. - * See license.txt in the OpenLayers distribution or repository for the - * full text of the license. */ - -/** - * @requires OpenLayers/Handler.js - * @requires OpenLayers/Events.js - */ - -/** - * Class: OpenLayers.handler.Keyboard - * A handler for keyboard events. Create a new instance with the - * <OpenLayers.Handler.Keyboard> constructor. - * - * Inherits from: - * - <OpenLayers.Handler> - */ -OpenLayers.Handler.Keyboard = OpenLayers.Class(OpenLayers.Handler, { - - /* http://www.quirksmode.org/js/keys.html explains key x-browser - key handling quirks in pretty nice detail */ - - /** - * Constant: KEY_EVENTS - * keydown, keypress, keyup - */ - KEY_EVENTS: ["keydown", "keyup"], - - /** - * Property: eventListener - * {Function} - */ - eventListener: null, - - /** - * Property: observeElement - * {DOMElement|String} The DOM element on which we listen for - * key events. Default to the document. - */ - observeElement: null, - - /** - * Constructor: OpenLayers.Handler.Keyboard - * Returns a new keyboard handler. - * - * Parameters: - * control - {<OpenLayers.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 recieve 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. - */ - initialize: function(control, callbacks, options) { - OpenLayers.Handler.prototype.initialize.apply(this, arguments); - // cache the bound event listener method so it can be unobserved later - this.eventListener = OpenLayers.Function.bindAsEventListener( - this.handleKeyEvent, this - ); - }, - - /** - * Method: destroy - */ - destroy: function() { - this.deactivate(); - this.eventListener = null; - OpenLayers.Handler.prototype.destroy.apply(this, arguments); - }, - - /** - * Method: activate - */ - activate: function() { - if (OpenLayers.Handler.prototype.activate.apply(this, arguments)) { - this.observeElement = this.observeElement || document; - for (var i=0, len=this.KEY_EVENTS.length; i<len; i++) { - OpenLayers.Event.observe( - this.observeElement, this.KEY_EVENTS[i], this.eventListener); - } - return true; - } else { - return false; - } - }, - - /** - * Method: deactivate - */ - deactivate: function() { - var deactivated = false; - if (OpenLayers.Handler.prototype.deactivate.apply(this, arguments)) { - for (var i=0, len=this.KEY_EVENTS.length; i<len; i++) { - OpenLayers.Event.stopObserving( - this.observeElement, this.KEY_EVENTS[i], this.eventListener); - } - deactivated = true; - } - return deactivated; - }, - - /** - * Method: handleKeyEvent - */ - handleKeyEvent: function (evt) { - if (this.checkModifiers(evt)) { - this.callback(evt.type, [evt]); - } - }, - - CLASS_NAME: "OpenLayers.Handler.Keyboard" -}); |