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Merge pull request #2463 from get10101/tradingview-chart
Tradingview chart
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26 changes: 0 additions & 26 deletions
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mobile/lib/features/trade/application/candlestick_service.dart
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mobile/lib/features/trade/candlestick_change_notifier.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| import 'dart:io'; | ||
|
|
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| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_inappwebview/flutter_inappwebview.dart'; | ||
| import 'package:url_launcher/url_launcher.dart'; | ||
| import 'package:get_10101/main.dart'; | ||
|
|
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| class TradingViewCandlestick extends StatefulWidget { | ||
| const TradingViewCandlestick({ | ||
| super.key, | ||
| }); | ||
|
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| @override | ||
| State<TradingViewCandlestick> createState() => _TradingViewCandlestickState(); | ||
| } | ||
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| class _TradingViewCandlestickState extends State<TradingViewCandlestick> { | ||
| final GlobalKey webViewKey = GlobalKey(); | ||
| InAppWebViewController? webViewController; | ||
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| double progress = 0; | ||
|
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| /// place holder if loading fails | ||
| late String html = """<html lang="en"><body><p>Tradingview chart not found</p></body></html>"""; | ||
| // this url doesn't matter, it just has to exist | ||
| final baseUrl = WebUri("https://10101.finance/"); | ||
|
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| static bool enabled() => Platform.isAndroid || Platform.isIOS; | ||
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| @override | ||
| void initState() { | ||
| super.initState(); | ||
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| const Color bg = appBackgroundColor; | ||
| String rgba = "rgba(${bg.red}, ${bg.green}, ${bg.blue}, ${255.0 / bg.alpha})"; | ||
| html = ''' | ||
| <html lang="en"> | ||
| <head> | ||
| <title></title> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <style> | ||
| body { | ||
| overflow: hidden; | ||
| } | ||
| html, body, #container, .tradingview-widget-container { | ||
| background-color: $rgba; | ||
| } | ||
| iframe { | ||
| height: 100% !important; | ||
| } | ||
| .tradingview-widget-copyright { | ||
| display: none; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <div id="container"> | ||
| <!-- TradingView Widget BEGIN --> | ||
| <div class="tradingview-widget-container" style="height:100%;width:100%"> | ||
| <div class="tradingview-widget-container__widget" style="height:100%;width:100%"></div> | ||
| <div class="tradingview-widget-copyright"><a href="https://www.tradingview.com/" rel="noopener nofollow" target="_blank"><span class="blue-text">Track all markets on TradingView</span></a></div> | ||
| <script type="text/javascript" src="https://s3.tradingview.com/external-embedding/embed-widget-advanced-chart.js" async> | ||
| { | ||
| "autosize": true, | ||
| "symbol": "BITMEX:XBT", | ||
| "interval": "D", | ||
| "timezone": "Etc/UTC", | ||
| "theme": "light", | ||
| "style": "1", | ||
| "locale": "en", | ||
| "enable_publishing": false, | ||
| "backgroundColor": "$rgba", | ||
| "hide_top_toolbar": true, | ||
| "hide_legend": true, | ||
| "allow_symbol_change": false, | ||
| "save_image": false, | ||
| "calendar": false, | ||
| "support_host": "https://www.tradingview.com" | ||
| } | ||
| </script> | ||
| </div> | ||
| </div> | ||
| <!-- TradingView Widget END --> | ||
| </body> | ||
| </html> | ||
| '''; | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return enabled() | ||
| ? Stack( | ||
| children: [ | ||
| InAppWebView( | ||
| key: webViewKey, | ||
| onWebViewCreated: (controller) { | ||
| webViewController = controller; | ||
| webViewController!.loadData(data: html, baseUrl: baseUrl, historyUrl: baseUrl); | ||
| }, | ||
| shouldOverrideUrlLoading: (controller, navigationAction) async { | ||
| var uri = navigationAction.request.url!; | ||
|
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| if (uri.toString().startsWith("https://www.tradingview.com/chart")) { | ||
| // this is the link to the external chart, we want to open this in an external window | ||
| if (await canLaunchUrl(uri)) { | ||
| // Launch the App | ||
| await launchUrl(uri, mode: LaunchMode.externalApplication); | ||
| // and cancel the request | ||
| return NavigationActionPolicy.CANCEL; | ||
| } | ||
| } | ||
|
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| return NavigationActionPolicy.ALLOW; | ||
| }, | ||
| onProgressChanged: (controller, progress) { | ||
| setState(() { | ||
| this.progress = progress / 100; | ||
| }); | ||
| }, | ||
| ), | ||
| progress < 1.0 ? LinearProgressIndicator(value: progress) : Container(), | ||
| ], | ||
| ) | ||
| : const Text("Platform not supported"); | ||
| } | ||
| } |
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