Files
openlayers/lib/OpenLayers/Control/ZoomBox.js
crschmidt dcd05d13ce Tag RC5.
git-svn-id: http://svn.openlayers.org/tags/openlayers/release-2.4-rc5@3182 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-05-25 12:49:27 +00:00

43 lines
1.5 KiB
JavaScript

/* Copyright (c) 2006 MetaCarta, Inc., published under the BSD license.
* See http://svn.openlayers.org/trunk/openlayers/release-license.txt
* for the full text of the license. */
/**
* @class
*
* @requires OpenLayers/Control.js
* @requires OpenLayers/Handler/Box.js
*/
OpenLayers.Control.ZoomBox = OpenLayers.Class.create();
OpenLayers.Control.ZoomBox.prototype =
OpenLayers.Class.inherit( OpenLayers.Control, {
/** @type OpenLayers.Control.TYPE_* */
type: OpenLayers.Control.TYPE_TOOL,
/**
*
*/
draw: function() {
this.handler = new OpenLayers.Handler.Box( this,
{done: this.zoomBox}, {keyMask: this.keyMask} );
},
zoomBox: function (position) {
if (position instanceof OpenLayers.Bounds) {
var minXY = this.map.getLonLatFromPixel(
new OpenLayers.Pixel(position.left, position.bottom));
var maxXY = this.map.getLonLatFromPixel(
new OpenLayers.Pixel(position.right, position.top));
var bounds = new OpenLayers.Bounds(minXY.lon, minXY.lat,
maxXY.lon, maxXY.lat);
this.map.zoomToExtent(bounds);
} else { // it's a pixel
this.map.setCenter(this.map.getLonLatFromPixel(position),
this.map.getZoom() + 1);
}
},
/** @final @type String */
CLASS_NAME: "OpenLayers.Control.ZoomBox"
});