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Add location locking functionality

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This commit is contained in:
Pieter Vander Vennet 2021-03-14 20:14:51 +01:00
parent 94c0b8667a
commit 19582853f5
5 changed files with 34 additions and 5 deletions
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23
InitUiElements.ts
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@ -258,8 +258,8 @@ export class InitUiElements {
}
})
isOpened.setData(Hash.hash.data === undefined)
}
private static InitLayerSelection() {
@ -276,7 +276,7 @@ export class InitUiElements {
const copyrightNotice =
new ScrollableFullScreen(
() => Translations.t.general.attribution.attributionTitle.Clone(),
() => new Combine([
() => new Combine([
Translations.t.general.attribution.attributionContent,
"<br/>",
new Attribution(undefined, undefined, State.state.layoutToUse, undefined)
@ -335,6 +335,7 @@ export class InitUiElements {
const attr = new Attribution(State.state.locationControl, State.state.osmConnection.userDetails, State.state.layoutToUse,
State.state.leafletMap);
const bm = new Basemap("leafletDiv",
State.state.locationControl,
State.state.backgroundLayer,
@ -342,6 +343,22 @@ export class InitUiElements {
attr
);
State.state.leafletMap.setData(bm.map);
const layout = State.state.layoutToUse.data
if (layout.lockLocation) {
const tile = Utils.embedded_tile(layout.startLat, layout.startLon, layout.startZoom - 1)
const bounds = Utils.tile_bounds(tile.z, tile.x, tile.y)
// We use the bounds to get a sense of distance for this zoom level
const latDiff = bounds[0][0] - bounds[1][0]
const lonDiff = bounds[0][1] - bounds[1][1]
console.warn("Locking the bounds to ", bounds)
bm.map.setMaxBounds(
[[ layout.startLat - latDiff, layout.startLon - lonDiff ],
[ layout.startLat + latDiff, layout.startLon + lonDiff ],
]
);
bm.map.setMinZoom(layout.startZoom)
}
}
private static InitLayers() {