130 lines
3.5 KiB
Dart
130 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
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import 'package:stream_chat_flutter/src/stream_svg_icon.dart';
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import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
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import 'image_actions_modal.dart';
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class ImageHeader extends StatelessWidget implements PreferredSizeWidget {
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/// True if this header shows the leading back button
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final bool showBackButton;
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/// Callback to call when pressing the back button.
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/// By default it calls [Navigator.pop]
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final VoidCallback onBackPressed;
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/// Callback to call when pressing the show message button.
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final VoidCallback onShowMessage;
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/// Callback to call when the header is tapped.
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final VoidCallback onTitleTap;
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/// Callback to call when the image is tapped.
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final VoidCallback onImageTap;
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final Message message;
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final String userName;
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final String sentAt;
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final List<Attachment> urls;
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final currentIndex;
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/// Creates a channel header
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ImageHeader({
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Key key,
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this.message,
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this.urls,
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this.currentIndex,
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this.showBackButton = true,
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this.onBackPressed,
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this.onShowMessage,
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this.onTitleTap,
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this.onImageTap,
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this.userName = '',
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this.sentAt = '',
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}) : preferredSize = Size.fromHeight(kToolbarHeight),
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super(key: key);
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@override
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Widget build(BuildContext context) {
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return AppBar(
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brightness: Theme.of(context).brightness,
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elevation: 1,
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leading: showBackButton
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? IconButton(
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icon: StreamSvgIcon.close(
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color: StreamChatTheme.of(context).colorTheme.black,
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size: 24.0,
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),
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onPressed: onBackPressed,
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)
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: SizedBox(),
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backgroundColor:
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StreamChatTheme.of(context).channelTheme.channelHeaderTheme.color,
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actions: <Widget>[
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IconButton(
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icon: StreamSvgIcon.iconMenuPoint(
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color: StreamChatTheme.of(context).colorTheme.black,
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),
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onPressed: () {
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_showMessageActionModalBottomSheet(context);
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},
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),
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],
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centerTitle: true,
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title: InkWell(
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onTap: onTitleTap,
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child: Container(
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height: preferredSize.height,
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width: preferredSize.width,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(
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userName,
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style: StreamChatTheme.of(context).textTheme.headlineBold,
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),
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Text(
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sentAt,
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style: StreamChatTheme.of(context).channelPreviewTheme.subtitle,
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),
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],
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),
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),
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),
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);
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}
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@override
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final Size preferredSize;
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void _showMessageActionModalBottomSheet(BuildContext context) async {
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final channel = StreamChannel.of(context).channel;
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var result = await showDialog(
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context: context,
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barrierColor: StreamChatTheme.of(context).colorTheme.overlay,
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builder: (context) {
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return StreamChannel(
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channel: channel,
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child: ImageActionsModal(
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userName: userName,
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sentAt: sentAt,
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message: message,
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urls: urls,
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currentIndex: currentIndex,
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onShowMessage: onShowMessage,
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),
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);
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},
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);
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if (result != null) {
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Navigator.pop(context, result);
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}
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}
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}
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