e1a1b94582
git-svn-id: http://svn.openlayers.org/trunk/openlayers@1398 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
82 lines
2.3 KiB
JavaScript
82 lines
2.3 KiB
JavaScript
/* 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. */
|
|
|
|
/**
|
|
* @class
|
|
*
|
|
* @requires OpenLayers/Control.js
|
|
*/
|
|
OpenLayers.Control.Permalink = Class.create();
|
|
OpenLayers.Control.Permalink.prototype =
|
|
Object.extend( new OpenLayers.Control(), {
|
|
|
|
/** For div.id
|
|
* @type String */
|
|
id: "Permalink",
|
|
|
|
/** @type DOMElement */
|
|
element: null,
|
|
|
|
/** @type String */
|
|
base: '',
|
|
|
|
/**
|
|
* @constructor
|
|
*
|
|
* @param {DOMElement} element
|
|
* @param {String} base
|
|
*/
|
|
initialize: function(element, base) {
|
|
OpenLayers.Control.prototype.initialize.apply(this, arguments);
|
|
this.element = element;
|
|
if (base) this.base = base;
|
|
},
|
|
|
|
/**
|
|
* @type DOMElement
|
|
*/
|
|
draw: function() {
|
|
OpenLayers.Control.prototype.draw.apply(this, arguments);
|
|
var args = OpenLayers.Util.getArgs();
|
|
if (args.lat && args.lon) {
|
|
this.map.setCenter(
|
|
new OpenLayers.LonLat(parseFloat(args.lon), parseFloat(args.lat))
|
|
);
|
|
}
|
|
if (args.zoom) {
|
|
this.map.zoomTo(parseInt(args.zoom));
|
|
}
|
|
if (!this.element) {
|
|
this.element = document.createElement("a");
|
|
this.div.style.right = "3px";
|
|
this.div.style.bottom = "3px";
|
|
this.div.style.left = "";
|
|
this.div.style.top = "";
|
|
this.div.style.display = "block";
|
|
this.div.style.position = "absolute";
|
|
this.element.style.fontSize="smaller";
|
|
this.element.innerHTML = "Permalink";
|
|
this.element.href="";
|
|
this.div.appendChild(this.element);
|
|
}
|
|
this.map.events.register( 'moveend', this, this.updateLink);
|
|
return this.div;
|
|
},
|
|
|
|
/**
|
|
*
|
|
*/
|
|
updateLink: function() {
|
|
var center = this.map.getCenter();
|
|
var zoom = this.map.getZoom();
|
|
var lat = Math.round(center.lat*100000)/100000;
|
|
var lon = Math.round(center.lon*100000)/100000;
|
|
this.element.href = this.base+"?lat="+lat+"&lon="+lon+"&zoom="+zoom;
|
|
},
|
|
|
|
/** @final @type String */
|
|
CLASS_NAME: "OpenLayers.Control.Permalink"
|
|
});
|
|
|