40 lines
1.1 KiB
Dart
40 lines
1.1 KiB
Dart
import 'dart:async';
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import 'dart:html';
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import 'dart:ui' as ui;
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Future<String> webFilePicker() {
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final completer = new Completer<String>();
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final InputElement input = document.createElement('input');
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input
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..type = 'file'
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..accept = 'image/*';
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input.onChange.listen((e) async {
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final List<File> files = input.files;
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final reader = new FileReader();
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reader.readAsDataUrl(files[0]);
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reader.onError.listen((error) => completer.completeError(error));
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await reader.onLoad.first;
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completer.complete(reader.result as String);
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});
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input.click();
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return completer.future;
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}
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void webDownload(String filename, String data) {
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final encodedFileContents = Uri.encodeComponent(data);
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AnchorElement(href: 'data:text/plain;charset=utf-8,$encodedFileContents')
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..setAttribute('download', filename)
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..click();
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}
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void webReload() => window.location.reload();
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void registerWebView(String html) {
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// ignore: undefined_prefixed_name
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ui.platformViewRegistry.registerViewFactory(
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html,
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(int viewId) => IFrameElement()
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..src = html
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..style.border = 'none');
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}
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