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Add location caching #36

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Add location caching #36

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21 changes: 18 additions & 3 deletions app/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -300,9 +300,16 @@ $(function() {
var hash = window.location.hash;
var type = null;
var url_location = null;

var startloc = berlin;
var startzoom = 13;
var startloc;
var startzoom;

if (localStorage.getItem("latlng") !== null && localStorage.getItem("zoom") !== null) {
startloc = JSON.parse(localStorage.latlng);
startzoom = localStorage.zoom;
} else {
startloc = berlin;
startzoom = 13;
}

if (hash.length > 0) {
hash = hash.replace('#', '');
Expand Down Expand Up @@ -335,6 +342,9 @@ $(function() {
mapDragged = true;
}

window.addEventListener('unload', function(event) {
cacheLocation();
});

initMap(startloc, startzoom);

Expand Down Expand Up @@ -388,6 +398,11 @@ function locateMe() {
mapDragged = false;
}

function cacheLocation() {
localStorage.setItem('zoom', map.getZoom());
localStorage.setItem('latlng', JSON.stringify(map.getCenter()));
}

function showInfo() {
$("#info_overlay").css("visibility", "visible");
}
Expand Down