invoice/lib/utils/web.dart

94 lines
2.6 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:html';
import 'dart:typed_data';
import 'dart:ui' as ui;
import 'package:invoiceninja_flutter/redux/app/app_state.dart';
import 'package:invoiceninja_flutter/utils/formatting.dart';
import 'package:redux/redux.dart';
class WebUtils {
static String get browserUrl =>
formatApiUrl(window.location.href.split('#')[0]);
static Future<String> filePicker() {
final completer = new Completer<String>();
final InputElement input = document.createElement('input');
input
..type = 'file'
..accept = 'image/*';
input.onChange.listen((e) async {
final List<File> files = input.files;
final reader = new FileReader();
reader.readAsDataUrl(files[0]);
reader.onError.listen((error) => completer.completeError(error));
await reader.onLoad.first;
completer.complete(reader.result as String);
});
input.click();
return completer.future;
}
static void downloadTextFile(String filename, String data) {
final encodedFileContents = Uri.encodeComponent(data);
AnchorElement(href: 'data:text/plain;charset=utf-8,$encodedFileContents')
..setAttribute('download', filename)
..click();
}
static void downloadBinaryFile(String filename, Uint8List data) {
final encodedFileContents = base64Encode(data);
AnchorElement(
href:
'data:application/octet-stream;charset=utf-16le;base64,$encodedFileContents')
..setAttribute('download', filename)
..click();
}
static void reloadBrowser() => window.location.reload();
static void registerWebView(String html) {
// ignore: undefined_prefixed_name
/*
ui.platformViewRegistry.registerViewFactory(
html,
(int viewId) => IFrameElement()
..src = html
..style.border = 'none');
*/
}
static void warnChanges(Store<AppState> store) {
window.onBeforeUnload.listen((Event e) {
if (store.state.hasChanges()) {
(e as BeforeUnloadEvent).returnValue =
'Changes you made may not be saved.';
}
});
}
/*
String loadToken() {
final cookies = document.cookie;
final List<String> listValues =
cookies.isNotEmpty ? cookies.split(';') : [];
for (int i = 0; i < listValues.length; i++) {
final cookie = listValues[i];
final index = cookie.indexOf('=');
final key = cookie.substring(0, index).trim();
final value = cookie.substring(index + 1).trim();
if (key == 'token') {
return value;
}
}
return null;
}
static void saveToken(String token) {
document.cookie = 'token=$token; max-age=2592000; path=/;';
}
*/
}