geomap.js

registerPlugin({
	newMessageElement: function(elem, tw) {
		var rs = tw.retweeted_status || tw;
		if (!rs.geo || rs.geo.type != 'Point') return;
		
		var geomap = null; // find "geomap" in elem
		for (var i = 0; i < elem.childNodes.length; i++) {
			var util = elem.childNodes[i];
			if (util.className != "utils") continue;
			for (var j = 0; j < util.childNodes.length; j++) {
				var uc = util.childNodes[j];
				if (uc.className == 'button geomap') {
					geomap = uc;
					break;
				}
			}
		}
		if (!geomap) return alert("geomap not found!!");
		
		var plugin = this;
		geomap.onclick = function() {
			display_map(rs.geo.coordinates, geomap);
			return false;
		};
	}
});

function display_map(coordinates, elem) {
	rep_top = Math.max(cumulativeOffset(elem)[1] + 20, $("control").offsetHeight);
	$('reps').innerHTML = '<div id="map_canvas" style="width: 100%; height: 250px;">';
	$('rep').style.display = "block";
	make_geo_map(coordinates);
	$('rep').style.top = rep_top;
	user_pick1 = user_pick2 = null;
}

function make_geo_map(coordinates) {
	var latlng = new google.maps.LatLng(coordinates[0], coordinates[1]);
	var map = new google.maps.Map(document.getElementById("map_canvas"),
		{zoom: 13, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP});
	var marker = new google.maps.Marker({position: latlng, map: map});
	google.maps.event.addListener(marker, 'click', function(event) {
		window.open('http://maps.google.com?q='+coordinates.join(","));
	});

	if(mapAccCircleOption.radius = coordinates[2]) {
		var accCircle = new google.maps.Circle(mapAccCircleOption);
		accCircle.setCenter(latlng);
		accCircle.setMap(map);
	}
}

var mapAccCircleOption = {
	fillColor:      '#f37171',
	fillOpacity:    0.3,
	strokeColor:    '#f37171',
	strokeOpacity:  0.7,
	strokeWeight:   4
};

function toggleGeoTag() {
	if (!geowatch) {
		geowatch = navigator.geolocation.watchPosition(function(g){
			geo = g;
			var maplink = typeof(display_map) == 'function';
			$("geotag-info").innerHTML = " : " + (maplink ? '<a href="javascript:display_map([geo.coords.latitude, geo.coords.longitude, geo.coords.accuracy], $(\'geotag-info\'))">' : '') + g.coords.latitude + ", " + g.coords.longitude + " (" + g.coords.accuracy + "m)" + (maplink ? '</a>' : '');
			setFstHeight(null, true);
		});
		$("geotag-img").src = "images/earth.png";
		$("geotag-st").innerHTML = "ON";
		$("geotag-info").innerHTML = " : -";
	} else {
		navigator.geolocation.clearWatch(geowatch);
		geo = geowatch = null;
		$("geotag-img").src = "images/earth_off.png";
		$("geotag-st").innerHTML = "OFF";
		$("geotag-info").innerHTML = "";
		setFstHeight(null, true);
	}
}

document.write('<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>');