+++ /dev/null
-/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
- * See http://svn.openlayers.org/trunk/openlayers/license.txt for the full
- * text of the license. */
-// @require: OpenLayers/Control.js
-
-/**
- * @class
- */
-OpenLayers.Control.KeyboardDefaults = Class.create();
-OpenLayers.Control.KeyboardDefaults.prototype =
- Object.extend( new OpenLayers.Control(), {
-
- /** @type int */
- slideFactor: 50,
-
- /**
- * @constructor
- */
- initialize: function() {
- OpenLayers.Control.prototype.initialize.apply(this, arguments);
- },
-
- /**
- *
- */
- draw: function() {
- Event.observe(document,
- 'keypress',
- this.defaultKeyDown.bind(this));
- },
-
- /**
- * @param {Event} evt
- */
- defaultKeyDown: function (evt) {
-
- var slide = this.map.getResolution() * this.slideFactor;
- var center = this.map.getCenter();
-
- var newCenter = center.copyOf();
-
- switch(evt.keyCode) {
- case Event.KEY_LEFT:
- newCenter = newCenter.add( -slide, 0);
- break;
- case Event.KEY_RIGHT:
- newCenter = newCenter.add( slide, 0);
- break;
- case Event.KEY_UP:
- newCenter = newCenter.add( 0, slide);
- break;
- case Event.KEY_DOWN:
- newCenter = newCenter.add( 0, -slide);
- break;
- }
-
- if (!newCenter.equals(center)) {
- this.map.setCenter(newCenter);
- Event.stop(evt);
- }
- },
-
- /** @final @type String */
- CLASS_NAME: "OpenLayers.Control.KeyboardDefaults"
-});