38 lines
1,006 B
Dart
38 lines
1,006 B
Dart
import 'package:flutter/material.dart';
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class BasicLocation extends Comparable<BasicLocation> {
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final double lat;
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final double lon;
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String description;
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// static BasicLocation noLocation = new BasicLocation(lat: 0.0, lon: 0.0);
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BasicLocation({@required this.lat, @required this.lon, this.description}) {
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if (this.description == null)
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this.description = 'Position: ${this.lat}, ${this.lon}';
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}
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int compareTo(BasicLocation other) {
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return lat == other.lat && lon == other.lon ? 1 : 0;
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}
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bool operator ==(o) => o is BasicLocation && o.lat == lat && o.lon == lon;
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int get hashCode {
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int hash = 1;
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hash = hash * 17 + lat.hashCode;
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hash = hash * 31 + lon.hashCode;
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return hash;
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}
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BasicLocation.fromJson(Map<String, dynamic> json)
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: lat = json['lat'],
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lon = json['lon'],
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description = json['description'];
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Map<String, dynamic> toJson() => {
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'lat': lat,
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'lon': lon,
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'description': description,
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};
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}
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