import 'package:flutter/material.dart'; import 'global_helper_functions.dart'; import 'package:intl/intl.dart'; import 'package:cached_network_image/cached_network_image.dart'; import 'dart:convert'; class WeatherForeCast extends StatefulWidget { final String weatherForeCast; final int timeOffSet; WeatherForeCast({ Key key, this.weatherForeCast, this.timeOffSet, }) : super(key: key); @override _WeatherForeCastState createState() => _WeatherForeCastState(); } class _WeatherForeCastState extends State { final double textHeight = 1.5; @override Widget build(BuildContext context) { Map foreCastJson; final double _deviceWidth = MediaQuery.of(context).size.width; List createForeCast(List foreCastList) { return foreCastList.map((foreCast) { Map foreCastTime = get3WayTime(foreCast['dt'], widget.timeOffSet); Column _conditions() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ Text( 'Forecast: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), Text( '${weatherConditions(foreCast['weather'][0]['description'])}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 18, ), ), RichText( text: TextSpan( children: [ TextSpan( text: 'Humidity: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCast['main']['humidity']}%', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), ], ); } Container _icon() { return Container( width: 100, child: CachedNetworkImage( imageUrl: 'http://openweathermap.org/img/w/${foreCast['weather'][0]['icon']}.png', ), ); } Column _wind() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ RichText( text: TextSpan( children: [ TextSpan( text: 'Wind: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCast['wind']['speed'].round()}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mph', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ',', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getKilometers(foreCast['wind']['speed'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'kph', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ${getKnots(foreCast['wind']['speed'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'knots', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: 'From: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCast['wind']['deg'].round()}\u00B0, ', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: '(${getDirection(foreCast['wind']['deg'].round())})', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), ], ); } Column _temp() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ RichText( // temp text: TextSpan( children: [ TextSpan( text: 'Temp: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCast['main']['temp'].round()}\u00B0', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'F', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ${getCelcius(foreCast['main']['temp'].toDouble())}\u00B0', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'C', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), RichText( // temp_min text: TextSpan( children: [ TextSpan( text: 'Min: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCast['main']['temp_min'].round()}\u00B0', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'F', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ${getCelcius(foreCast['main']['temp_min'].toDouble())}\u00B0', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'C', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), RichText( // temp_max text: TextSpan( children: [ TextSpan( text: 'Max: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCast['main']['temp_max'].round()}\u00B0', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'F', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ${getCelcius(foreCast['main']['temp_max'].toDouble())}\u00B0', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'C', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), ], ); } Column _time() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ RichText( text: TextSpan( children: [ TextSpan( text: 'There: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCastTime['There']}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: 'Here: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCastTime['Here']}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: 'UTC: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), TextSpan( text: '${foreCastTime['UTC']}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), ], ); } Column _pressure() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ RichText( text: TextSpan( children: [ TextSpan( text: 'Pressure: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${foreCast['main']['pressure']}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mb', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getinHg(foreCast['main']['pressure'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'inHg', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ',', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getmmHg(foreCast['main']['pressure'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mmHg', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), ], ); } Column _sea() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ RichText( text: TextSpan( children: [ TextSpan( text: 'Sea Level: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${foreCast['main']['sea_level']}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mb', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getinHg(foreCast['main']['sea_level'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'inHg', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ',', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getmmHg(foreCast['main']['sea_level'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mmHg', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), ], ); } Column _ground() { return Column( crossAxisAlignment: CrossAxisAlignment.center, children: [ RichText( text: TextSpan( children: [ TextSpan( text: 'Ground Level: ', style: TextStyle( height: textHeight, color: candyApple, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${foreCast['main']['grnd_level']}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mb', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ', ', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getinHg(foreCast['main']['grnd_level'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'inHg', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), TextSpan( text: ',', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), ], ), ), RichText( text: TextSpan( children: [ TextSpan( text: '${getmmHg(foreCast['main']['grnd_level'].toDouble())}', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, ), ), TextSpan( text: 'mmHg', style: TextStyle( height: textHeight, color: Colors.black, fontSize: 16, fontStyle: FontStyle.italic, ), ), ], ), ), ], ); } if (_deviceWidth < 400) { return Container( decoration: BoxDecoration( border: Border( bottom: BorderSide( width: 1.0, color: Colors.black, ), ), ), child: Column( children: [ Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _icon(), _conditions(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _time(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _temp(), _wind(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _pressure(), _sea(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _ground(), ], ), ), ], ), ); } else if ((_deviceWidth >= 400) && (_deviceWidth < 650)) { return Container( decoration: BoxDecoration( border: Border( bottom: BorderSide( width: 1.0, color: Colors.black, ), ), ), child: Column( children: [ Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _icon(), _conditions(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _time(), _temp(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _pressure(), _sea(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _ground(), _wind(), ], ), ), ], ), ); } else if ((_deviceWidth >= 650) && (_deviceWidth < 1000)) { return Container( decoration: BoxDecoration( border: Border( bottom: BorderSide( width: 1.0, color: Colors.black, ), ), ), child: Column( children: [ Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _icon(), _conditions(), _temp(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _time(), _wind(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _pressure(), _sea(), _ground(), ], ), ), ], ), ); } else if (_deviceWidth >= 1000) { return Container( decoration: BoxDecoration( border: Border( bottom: BorderSide( width: 1.0, color: Colors.black, ), ), ), child: Column( children: [ Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _icon(), _conditions(), _temp(), _time(), ], ), ), Padding( padding: EdgeInsets.symmetric(vertical: 8.0), child: Row( mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [ _wind(), _pressure(), _sea(), _ground(), ], ), ), ], ), ); } }).toList(); } try { foreCastJson = jsonDecode(widget.weatherForeCast); return Container( margin: EdgeInsets.symmetric( vertical: 3, horizontal: 6, ), decoration: myBoxDecoration(ivory), padding: EdgeInsets.all(5.0), child: Column( children: createForeCast(foreCastJson['list']), ), ); } catch(e) { return Container( margin: EdgeInsets.symmetric( vertical: 3, horizontal: 6, ), padding: myBoxPadding, decoration: myBoxDecoration(ivory), child: Wrap( spacing: 20.0, children: [ Text( 'Pending...', style: TextStyle(height: textHeight), ), ], ), ); } } double getinHg(double mBar) { return (mBar != null) ? ((mBar * 29.53).round() / 1000.0) : null; } double getmmHg(double mBar) { return (mBar != null) ? ((mBar * 75.0062).round() / 100.0) : null; } int getKnots(double miles) { return (miles != null) ? (miles * 0.8689).round() : null; } int getKilometers(double miles) { return (miles != null) ? (miles * 1.60934).round() : null; } int getCelcius(double fahrenheit) { return (fahrenheit != null) ? (((fahrenheit - 32) * 5) / 9).round() : null; } Map get3WayTime(int secondsFromEpoch, int timeOffSet) { DateTime utcTime = DateTime.fromMillisecondsSinceEpoch(secondsFromEpoch * 1000).toUtc(); DateTime thereTime = utcTime.add(Duration(minutes: timeOffSet)); DateTime hereTime = utcTime.toLocal(); String there = (timeOffSet != 2000) ? DateFormat('EEEE MMMM d, HH:mm').format(thereTime) : 'UNKNOWN, INVALID'; String here = DateFormat('EEEE MMMM d, HH:mm').format(hereTime); String utc = DateFormat('EEEE MMMM d, HH:mm').format(utcTime); return { 'There': there, 'Here': here, 'UTC': utc, }; } String getDirection(int direction) { if ((direction < 22.5) || (direction >= 337.5)) { return "N"; } else if ((direction >= 22.5) && (direction < 67.5)) { return "NE"; } else if ((direction >= 67.5) && (direction < 112.5)) { return "E"; } else if ((direction >= 112.5) && (direction < 157.5)) { return "SE"; } else if ((direction >= 157.5) && (direction < 202.5)) { return "S"; } else if ((direction >= 202.5) && (direction < 247.5)) { return "SW"; } else if ((direction >= 247.5) && (direction < 292.5)) { return "W"; } else if ((direction >= 292.5) && (direction < 337.5)) { return "NW"; } return "none"; } }