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Support for multiple overlays in minimap + fix for #2813

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This commit is contained in:
Brian Reavis
2015-11-10 12:03:13 -07:00
parent 2291e8d9a7
commit 13f0ceda3e
1 changed files with 18 additions and 16 deletions
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34
js/id/ui/map_in_map.js
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@@ -4,9 +4,9 @@ iD.ui.MapInMap = function(context) {
function map_in_map(selection) {
var backgroundLayer = iD.TileLayer(),
overlayLayers = {},
dispatch = d3.dispatch('change'),
gpxLayer = iD.GpxLayer(context, dispatch),
overlayLayer = iD.TileLayer(),
projection = iD.geo.RawMercator(),
zoom = d3.behavior.zoom()
.scaleExtent([ztok(0.5), ztok(24)])
@@ -159,37 +159,39 @@ iD.ui.MapInMap = function(context) {
.call(backgroundLayer);
// redraw overlay
var overlaySources = context.background().overlayLayerSources(),
hasOverlay = false;
var overlaySources = context.background().overlayLayerSources();
var activeOverlayLayers = [];
for (var i = 0; i < overlaySources.length; i++) {
if (overlaySources[i].validZoom(zMini)) {
overlayLayer
if (!overlayLayers[i]) overlayLayers[i] = iD.TileLayer();
activeOverlayLayers.push(overlayLayers[i]
.source(overlaySources[i])
.projection(projection)
.dimensions(dMini);
hasOverlay = true;
break;
.dimensions(dMini));
}
}
var overlay = tiles
.selectAll('.map-in-map-overlay')
.data(hasOverlay ? [0] : []);
.data([0]);
overlay.enter()
.append('div')
.attr('class', 'map-in-map-overlay');
overlay.exit()
var overlays = overlay
.selectAll('div')
.data(activeOverlayLayers, function(d) { return d.source().name(); });
overlays.enter().append('div');
overlays.each(function(layer) {
d3.select(this).call(layer);
});
overlays.exit()
.remove();
if (hasOverlay) {
overlay
.call(overlayLayer);
}
// redraw gpx overlay
gpxLayer
.projection(projection);