be1ef0ef47
git-svn-id: http://svn.openlayers.org/trunk/openlayers@2540 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
71 lines
1.8 KiB
JavaScript
71 lines
1.8 KiB
JavaScript
/* Copyright (c) 2006 MetaCarta, Inc., published under a modified BSD license.
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* See http://svn.openlayers.org/trunk/openlayers/repository-license.txt
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* for the full text of the license. */
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/**
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* @class
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*
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* @requires OpenLayers/Control.js
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*/
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OpenLayers.Control.KeyboardDefaults = OpenLayers.Class.create();
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OpenLayers.Control.KeyboardDefaults.prototype =
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OpenLayers.Class.inherit( OpenLayers.Control, {
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/** @type int */
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slideFactor: 50,
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/**
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* @constructor
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*/
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initialize: function() {
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OpenLayers.Control.prototype.initialize.apply(this, arguments);
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},
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/**
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*
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*/
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draw: function() {
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OpenLayers.Event.observe(document,
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'keypress',
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this.defaultKeyDown.bindAsEventListener(this));
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},
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/**
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* @param {Event} evt
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*/
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defaultKeyDown: function (evt) {
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switch(evt.keyCode) {
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case OpenLayers.Event.KEY_LEFT:
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this.map.pan(-50, 0);
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break;
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case OpenLayers.Event.KEY_RIGHT:
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this.map.pan(50, 0);
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break;
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case OpenLayers.Event.KEY_UP:
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this.map.pan(0, -50);
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break;
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case OpenLayers.Event.KEY_DOWN:
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this.map.pan(0, 50);
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break;
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case 33: // Page Up
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this.map.zoomIn();
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break;
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case 34: // Page Down
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this.map.zoomOut();
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break;
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}
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switch(evt.charCode) {
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case 43: // +
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this.map.zoomIn();
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break;
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case 45: // -
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this.map.zoomOut();
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break;
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}
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},
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/** @final @type String */
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CLASS_NAME: "OpenLayers.Control.KeyboardDefaults"
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});
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