// MGeocoder() GMaps API extension copyright 2006 Mikel Maron (mikel_maron@yahoo.com)
// http://brainoff.com/gmaps/mgeocoder.html
// free for non-commercial use
// use must also comply with licensing on geocoder.us and brainoff.com/geocoder
function MGeocoder(){}
MGeocoder.prototype = new GControl(false, false);
MGeocoder.prototype.initialize=function(map) {
this.map = map;
this.xmlhttp = false;
this.request = false;
this.addButton(map);
this.addForm(map);
return this.button;
}
MGeocoder.prototype.getDefaultPosition = function() {
return new GControlPosition(G_ANCHOR_BOTTOM_RIGHT, new GSize(7,20));
}
MGeocoder.prototype.addButton=function(map) {
this.button=document.createElement('div');
this.button.m = this;
this.button.id='MGeocoderButton';
this.button.style.position='absolute';
this.button.style.right='0px';
this.button.style.bottom='20px';
this.button.style.backgroundColor='#f2efe9';
this.button.style.zIndex=35500;
this.button.style.fontFamily='arial';
//this.button.style.fontWeight='bold';
this.button.style.borderStyle='solid';
this.button.style.borderWidth='1px';
this.button.innerHTML = "Geocode";
this.setOpacity(this.button,75);
map.getContainer().appendChild(this.button);
}
MGeocoder.prototype.addForm=function(map) {
this.frm=document.createElement('div');
this.frm.m = this;
this.frm.id = 'MGeocoderFormDiv';
this.frm.style.position='relative';
this.frm.style.backgroundColor='#f2efe9';
this.frm.style.zIndex=35501;
this.frm.style.visibility="hidden";
this.frm.style.display="none";
this.frm.style.padding='20px';
this.frm.style.fontSize='10px';
this.frm.style.fontFamily='arial';
this.frm.innerHTML = '
[hide geocoder]
Enter a Full US Address';
this.frm.innerHTML += '
OR
Enter a Intl City/Country (include State code for US cities)';
this.setOpacity(this.frm,95);
map.getContainer().appendChild(this.frm);
}
MGeocoder.prototype.setOpacity=function(d,b) {
if(b<0){b=0;} if(b>=100){b=100;}
var c=b/100;
if(typeof(d.style.filter)=='string'){d.style.filter='alpha(opacity:'+b+')';}
if(typeof(d.style.KHTMLOpacity)=='string'){d.style.KHTMLOpacity=c;}
if(typeof(d.style.MozOpacity)=='string'){d.style.MozOpacity=c;}
if(typeof(d.style.opacity)=='string'){d.style.opacity=c;}
}
MGeocoder.prototype.showhide=function() {
e = this.frm;
if (e.style.visibility == "hidden") {
e.style.visibility = "visible";
e.style.display = "block";
} else {
e.style.visibility = "hidden";
e.style.display = "none";
}
}
MGeocoder.prototype.callgeocoder=function(type,addr,city,country) {
if (this.request != false) { return; }
this.request = type;
document.getElementById("MGeocoderError").innerHTML = "Querying...";
if (! this.xmlhttp) {
this.loadReq();
}
if (this.request == "us") {
addr = addr.replace(/ /g,"+");
url = "http://geocoder.us/service/rest/?address=" + encodeURI(addr);
} else {
city = city.replace(/ /g,"+");
url = "http://brainoff.com/geocoder/rest/?city=" + encodeURI(city+","+country);
}
this.xmlhttp.open("GET","proxy.php?"+url,true);
this.xmlhttp.onreadystatechange=mgeocoder_cb;
this.xmlhttp.send(null);
}
MGeocoder.prototype.loadReq = function() {
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
try {
this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
this.xmlhttp = false;
}
}
@end @*/
if (!this.xmlhttp && typeof XMLHttpRequest!='undefined') {
this.xmlhttp = new XMLHttpRequest();
}
}
function mgeocoder_cb() {
e = document.getElementById("MGeocoderFormDiv");
e.m.callback();
}
MGeocoder.prototype.getNodeValue = function(obj, nodeName) {
var st = "";
if (obj.hasChildNodes()) {
var i = 0;
while ((st == "") && (i < obj.childNodes.length)) {
st = (obj.childNodes[i].nodeName == nodeName) ? obj.childNodes[i].firstChild.nodeValue : this.getNodeValue(obj.childNodes[i], nodeName);
i++;
}
}
return st;
}
MGeocoder.prototype.callback = function() {
if (this.xmlhttp.readyState==4) {
lat = false; lon = false;
if (this.xmlhttp.status == "200") {
if (this.xmlhttp.responseXML && this.xmlhttp.responseXML.hasChildNodes()) {
try {
lat = this.getNodeValue(this.xmlhttp.responseXML, "geo:lat");
lon = this.getNodeValue(this.xmlhttp.responseXML, "geo:long");
} catch(e) {
}
}
}
if (lat != false && lon != false) {
document.getElementById("MGeocoderError").innerHTML = "";
this.showhide();
if (this.request == "us") { z = 15; }
else { z = 10; }
this.map.setCenter(new GLatLng(lat,lon),z,G_HYBRID_MAP);
} else {
document.getElementById("MGeocoderError").innerHTML = "Lookup Failed";
}
this.request = false;
}
}
//GMap.prototype.addMGeocoder=function(a) {
// a.initialize(this);
//}