75 lines
2.0 KiB
Dart
75 lines
2.0 KiB
Dart
import 'package:collection/collection.dart';
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import 'package:flutter/material.dart';
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///
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/// Compare two lists by their content ignoring their elements order.
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///
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bool equalContent(List<dynamic> list1, List<dynamic> list2) {
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return const DeepCollectionEquality.unordered().equals(list1, list2);
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}
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///
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/// Creates a composite ID from the passed [ids].
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/// In the format id(1)_id(n)
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///
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String getCompoundId(List<String> ids){
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ids.sort(); // sort to ensure the result is the same for any order of ids
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return ids.join('_');
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}
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///
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/// Convert decimal coordinate to degrees minutes seconds (DMS).
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///
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String convertDecimalToDMS(double decimalValue) {
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bool isNegative = decimalValue < 0;
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double absoluteValue = decimalValue.abs();
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int degrees = absoluteValue.toInt();
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double minutesDecimal = (absoluteValue - degrees) * 60;
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int minutes = minutesDecimal.toInt();
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double secondsDecimal = (minutesDecimal - minutes) * 60;
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double seconds = double.parse(secondsDecimal.toStringAsFixed(2));
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String direction = isNegative
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? (decimalValue < 0 ? 'W' : 'S')
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: (decimalValue >= 0 ? (degrees != 0 ? 'N' : 'E') : '');
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// return formatted string
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return '${degrees.abs()}° ${minutes.abs()}\' ${seconds.abs()}" $direction';
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}
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///
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/// Get the [displayName] of our own Enumerations.
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///
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String getDisplayText(dynamic option) {
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// Check if the option is an enum and has a displayName property
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if (option is Enum) {
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final dynamicEnum = option as dynamic;
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if (dynamicEnum.displayName != null) {
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return dynamicEnum.displayName;
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}
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}
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// Fallback to default toString if not an enum
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return option.toString().split('.').last;
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}
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///
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/// Show a simple message dialog
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///
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void showMsg(BuildContext context, String title, String content) {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: Text(title),
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content: Text(content),
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actions: [
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text('OK'),
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),
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],
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),
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);
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} |