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/* phpTrackme
*
* Copyright(C) 2013 Bartek Fabiszewski (www.fabiszewski.net)
*
* This is free software; you can redistribute it and/or modify it under
* the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// google maps
var map;
var polies = new Array();
var markers = new Array();
var popups = new Array();
var polyOptions;
var mapOptions;
var loadedAPI = 'gmaps';
function init() {
google.maps.visualRefresh = true;
polyOptions = {
strokeColor: '#FF0000',
strokeOpacity: 1.0,
strokeWeight: 2
}
mapOptions = {
center: new google.maps.LatLng(52.23, 21.01),
zoom: 8,
mapTypeId: google.maps.MapTypeId.ROADMAP,
scaleControl: true
};
map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions);
}
function displayTrack(xml,update) {
altitudes.length = 0;
var totalMeters = 0;
var totalSeconds = 0;
// init polyline
var poly = new google.maps.Polyline(polyOptions);
poly.setMap(map);
var path = poly.getPath();
var latlngbounds = new google.maps.LatLngBounds( );
var positions = xml.getElementsByTagName('position');
var posLen = positions.length;
for (var i=0; i<posLen; i++) {
var p = parsePosition(positions[i]);
totalMeters += p.distance;
totalSeconds += p.seconds;
p['totalMeters'] = totalMeters;
p['totalSeconds'] = totalSeconds;
p['coordinates'] = new google.maps.LatLng(p.latitude,p.longitude);
// set marker
setMarker(p,i,posLen);
// update polyline
path.push(p.coordinates);
latlngbounds.extend(p.coordinates);
// save altitudes for chart
altitudes[i] = p.altitude;
}
if (update) {
map.fitBounds(latlngbounds);
if (i==1) {
// only one point, zoom out
zListener =
google.maps.event.addListenerOnce(map, 'bounds_changed', function(event) {
if (this.getZoom()){
this.setZoom(15);
}
});
setTimeout(function(){google.maps.event.removeListener(zListener)}, 2000);
}
}
latestTime = p.dateoccured;
polies.push(poly);
updateSummary(p.dateoccured,totalMeters,totalSeconds);
if (p.tid!=trackid) {
trackid=p.tid;
setTrack(trackid);
}
if (document.getElementById('bottom').style.display=='block') {
// update altitudes chart
chart.clearChart();
displayChart();
}
}
function clearMap(){
if (polies){
for (var i=0; i<polies.length; i++){
polies[i].setMap(null);
}
}
if (markers){
for (var i=0; i<markers.length; i++){
google.maps.event.removeListener(popups[i].listener);
popups[i].setMap(null);
markers[i].setMap(null);
}
}
markers.length = 0;
polies.length = 0;
popups.lentgth = 0;
}
var popup;
function setMarker(p,i,posLen) {
// marker
var marker = new google.maps.Marker( {
map: map,
position: p.coordinates,
title: p.dateoccured
});
if (latest==1) { marker.setIcon('http://maps.google.com/mapfiles/dd-end.png') }
else if (i==0) { marker.setIcon('http://maps.google.com/mapfiles/marker_greenA.png') }
else if (i==posLen-1) { marker.setIcon('http://maps.google.com/mapfiles/markerB.png') }
else { marker.setIcon('http://labs.google.com/ridefinder/images/mm_20_gray.png') }
// popup
var content = '<div id="popup">'+
'<div id="pheader">'+lang_user+': '+p.username.toUpperCase()+'<br />'+lang_track+': '+p.trackname.toUpperCase()+
'</div>'+
'<div id="pbody">'+
'<div id="pleft"><b>'+lang_time+':</b> '+p.dateoccured+'<br />'+
((p.speed != null)?'<b>'+lang_speed+':</b> '+(p.speed.toKmH()*factor_kmh)+' '+unit_kmh+'<br />':'')+
((p.altitude != null)?'<b>'+lang_altitude+':</b> '+(p.altitude*factor_m).toFixed()+' '+unit_m+'<br />':'')+'</div>'+
((latest==0)?
('<div id="pright"><b>'+lang_ttime+':</b> '+p.totalSeconds.toHMS()+'<br />'+
'<b>'+lang_aspeed+':</b> '+((p.totalSeconds>0)?((p.totalMeters/p.totalSeconds).toKmH()*factor_kmh).toFixed():0)+' '+unit_kmh+'<br />'+
'<b>'+lang_tdistance+':</b> '+(p.totalMeters.toKm()*factor_km).toFixed(2)+' '+unit_km+'<br />'+'</div>'):'')+
'<div id="pfooter">'+lang_point+' '+(i+1)+' '+lang_of+' '+(posLen)+'</div>'+
'</div></div>';
popup = new google.maps.InfoWindow();
popup.listener = google.maps.event.addListener(marker, 'click', (function(marker,content) {
return function() {
popup.setContent(content);
popup.open(map, marker);
if (document.getElementById('bottom').style.display=='block') {
chart.setSelection([{row:i,column:null}]);
}
}
})(marker,content));
markers.push(marker);
popups.push(popup);
}
function addChartEvent(chart) {
google.visualization.events.addListener(chart, 'select', function() {
if (popup) {popup.close(); clearTimeout(altTimeout);}
var selection = chart.getSelection()[0];
if (selection) {
var id = selection.row;
var icon = markers[id].getIcon();
markers[id].setIcon('http://maps.google.com/mapfiles/marker_orange.png');
//var contentString = '<div style="width:40px; height:20px;padding:10px">'+Math.round(altitudes[id]*factor_m)+' '+unit_m+'</div>';
//popup = new google.maps.InfoWindow({
// content: contentString
//});
//popup.open(map,markers[id]);
//altTimeout = setTimeout(function() { if (popup) {popup.close();} },2000);
altTimeout = setTimeout(function() { markers[id].setIcon(icon); },2000);
}
});
}
//((52.20105108685229, 20.789387865580238), (52.292069558807135, 21.172192736185707))
function getBounds() {
var b = map.getBounds().toString();
var bounds = b.split(',',4);
var lat_sw = bounds[0].replace(/\(/g,'');
var lon_sw = bounds[1].replace(/[ )]/g,'');
var lat_ne = bounds[2].replace(/[ (]/g,'');
var lon_ne = bounds[3].replace(/[ )]/g,'');
return [lon_sw,lat_sw,lon_ne,lat_ne];
}
function zoomToBounds(b) {
var sw = new google.maps.LatLng(b[1],b[0]);
var ne = new google.maps.LatLng(b[3],b[2]);
var bounds = new google.maps.LatLngBounds(sw,ne);
map.fitBounds(bounds);
}
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