91 lines
2.4 KiB
Dart
91 lines
2.4 KiB
Dart
import "package:flutter/material.dart";
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import "../../models/user_model.dart";
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import "../../blocs/heartbeat_bloc.dart";
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class UserAvatar extends StatefulWidget {
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final User user;
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final EdgeInsetsGeometry padding;
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final double radius;
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UserAvatar(
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{@required this.user,
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this.padding: const EdgeInsets.all(0.0),
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this.radius: 20.0});
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@override
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State<StatefulWidget> createState() {
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return _UserAvatarState();
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}
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}
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class _UserAvatarState extends State<UserAvatar> {
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HeartbeatReceiverBloc bloc;
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@override
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void initState() {
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print(widget.user.id);
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super.initState();
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bloc = HeartbeatReceiverBloc(widget.user.id);
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}
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@override
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void dispose() {
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bloc.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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String firstName =
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(widget.user.firstName.isEmpty) ? '' : widget.user.firstName[0];
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String lastName =
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(widget.user.lastName.isEmpty) ? '' : widget.user.lastName[0];
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return Padding(
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padding: widget.padding,
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child: Stack(alignment: Alignment.bottomRight, children: <Widget>[
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CircleAvatar(
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backgroundColor: _stringToColor(widget.user.lastName),
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child: Text(
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firstName.toUpperCase() + lastName.toUpperCase(),
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style: Theme.of(context)
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.accentTextTheme
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.title
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.copyWith(fontSize: widget.radius / 1.2),
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),
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radius: widget.radius),
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StreamBuilder(
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stream: bloc.colours,
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builder: (context, AsyncSnapshot<String> snapshot) {
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String state;
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if (snapshot.hasData) {
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state = snapshot.data;
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if (state == "online") {
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return Container(
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width: 12.0,
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height: 12.0,
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decoration: BoxDecoration(
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color: Colors.green[400], shape: BoxShape.circle));
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}
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}
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return Container();
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}),
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]));
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}
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// Hashing username into a pastel color
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Color _stringToColor(String str) {
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int hash = 0;
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str.runes.forEach((int rune) {
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hash = rune + ((hash << 5) - hash);
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});
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hash = hash % 360;
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return HSLColor.fromAHSL(1.0, hash.toDouble(), 0.8, 0.4).toColor();
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}
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}
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