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refactor(mobile): build context extensions (#4923)

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* refactor: move all extensions to separate package

* refactor(mobile): add BuildContext extension

* refactor(mobile): use theme getters from context

* refactor(mobile): use media query size from context

* refactor(mobile): use auto router methods from context

* refactor(mobile): use navigator methods from context

---------

Co-authored-by: shalong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
This commit is contained in:
shenlong 2023-11-09 16:19:53 +00:00 • committed by GitHub
parent a147dee4b6
commit bffc2cdf60
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106 changed files with 660 additions and 628 deletions
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67
mobile/lib/extensions/flutter_map_extensions.dart Normal file
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import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:latlong2/latlong.dart';
import 'dart:math' as math;
extension MoveByBounds on MapController {
// TODO: Remove this in favor of built-in method when upgrading flutter_map to 5.0.0
LatLng? centerBoundsWithPadding(
LatLng coordinates,
Offset offset, {
double? zoomLevel,
}) {
const crs = Epsg3857();
final oldCenterPt = crs.latLngToPoint(coordinates, zoomLevel ?? zoom);
final mapCenterPoint = _rotatePoint(
oldCenterPt,
oldCenterPt - CustomPoint(offset.dx, offset.dy),
);
return crs.pointToLatLng(mapCenterPoint, zoomLevel ?? zoom);
}
CustomPoint<double> _rotatePoint(
CustomPoint<double> mapCenter,
CustomPoint<double> point, {
bool counterRotation = true,
}) {
final counterRotationFactor = counterRotation ? -1 : 1;
final m = Matrix4.identity()
..translate(mapCenter.x, mapCenter.y)
..rotateZ(degToRadian(rotation) * counterRotationFactor)
..translate(-mapCenter.x, -mapCenter.y);
final tp = MatrixUtils.transformPoint(m, Offset(point.x, point.y));
return CustomPoint(tp.dx, tp.dy);
}
double getTapThresholdForZoomLevel() {
const scale = [
25000000,
15000000,
8000000,
4000000,
2000000,
1000000,
500000,
250000,
100000,
50000,
25000,
15000,
8000,
4000,
2000,
1000,
500,
250,
100,
50,
25,
10,
5,
];
return scale[math.max(0, math.min(20, zoom.round() + 2))].toDouble() / 6;
}
}