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Save map to local cache #156

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Merged
LukePrior merged 2 commits into from
Oct 10, 2021
Merged

Save map to local cache #156

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c3c856e
remember map
LukePrior Oct 10, 2021
61353d9
tidy up
LukePrior Oct 10, 2021
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18 changes: 13 additions & 5 deletions js/tracker.js
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Original file line number Diff line number Diff line change
Expand Up @@ -323,6 +323,16 @@ var baseMaps = {

var selectedLayer = "Mapnik";

// set map if in memory
var maplayer = offline.get("map")
if (maplayer !== null) {
if( baseMaps.hasOwnProperty(maplayer) ) {
selectedLayer = maplayer;
}
}

console.log(selectedLayer);

// mousemove event throttle hack for smoother maps pan on firefox and IE
// taken from: http://stackoverflow.com/questions/22306130/how-to-limit-google-maps-api-lag-when-panning-the-map-with-lots-of-markers-and-p

Expand Down Expand Up @@ -437,7 +447,7 @@ function load() {
zoomControl: false,
zoomAnimationThreshold: 0,
center: [53.467511,-2.233894],
layers: baseMaps["Mapnik"],
layers: baseMaps[selectedLayer],
preferCanvas: true,
});

Expand Down Expand Up @@ -526,6 +536,7 @@ function load() {

map.on('baselayerchange', function (e) {
selectedLayer = e.layer.id;
offline.set('map', selectedLayer);
});

map.on('zoomend', function() {
Expand Down Expand Up @@ -563,6 +574,7 @@ function load() {

// only start population the map, once its completely loaded
var callBack = function() {

load_hash(null);
map.options.zoomAnimationThreshold = 4;

Expand Down Expand Up @@ -3663,7 +3675,6 @@ function refreshPredictions() {
data: "",
dataType: "json",
success: function(response, textStatus) {
offline.set('predictions', "");
updatePredictions(response);
},
error: function() {
Expand Down Expand Up @@ -4333,9 +4344,6 @@ function update(response) {
vehicles.hasOwnProperty(follow_vehicle) &&
vehicles[follow_vehicle].graph_data_updated) updateGraph(follow_vehicle, false);

// store in localStorage
offline.set('positions', ctx.lastPositions);

if (got_positions && !zoomed_in && Object.keys(vehicles).length) {
if (vehicles.hasOwnProperty(wvar.query) && wvar.query !== "") {
zoom_on_payload();
Expand Down