Files
flutter-picgo/lib/components/manage_item.dart
2021-04-23 16:58:44 +08:00

125 lines
3.3 KiB
Dart

import 'package:extended_image/extended_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_picgo/utils/extended.dart';
import 'package:path/path.dart';
typedef GestureTapCallback = void Function();
typedef DismissDirectionCallback = void Function(DismissDirection direction);
class ManageItem extends StatelessWidget {
final Key key;
final String url;
final String name;
final String info;
final FileContentType type;
final GestureTapCallback onTap;
final DismissDirectionCallback onDismiss;
final ConfirmDismissCallback confirmDismiss;
ManageItem(
this.key,
this.url,
this.name,
this.info,
this.type, {
this.onTap,
this.onDismiss,
this.confirmDismiss,
});
@override
Widget build(BuildContext context) {
return Dismissible(
key: key,
direction: DismissDirection.endToStart,
child: Stack(
children: <Widget>[
ListTile(
leading: buildLeading(),
title: Text(
this.name,
maxLines: 1,
overflow: TextOverflow.ellipsis,
textWidthBasis: TextWidthBasis.parent,
style: TextStyle(fontSize: 16, fontWeight: FontWeight.w400),
),
subtitle: Text(
this.info,
maxLines: 1,
style: TextStyle(color: Colors.grey),
),
onTap: onTap,
),
Align(
alignment: Alignment.bottomCenter,
child: Divider(
height: 1,
color: Theme.of(context).dividerColor,
indent: 80,
),
)
],
),
onDismissed: onDismiss,
confirmDismiss: confirmDismiss,
background: Container(
color: Colors.red,
),
);
}
Widget buildLeading() {
if (this.type == FileContentType.DIR) {
return buildCenterIcon(Icon(IconData(0xe63f, fontFamily: 'iconfont')));
}
try {
String path = Uri.parse(this.url).path;
String suffix = extension(path).replaceFirst('.', '');
var imageSuffixs = ['png', 'bmp', 'jpeg', 'gif', 'jpg'];
if (imageSuffixs.contains(suffix)) {
return SizedBox(
height: 50,
width: 50,
child: Card(
clipBehavior: Clip.antiAlias,
shape: RoundedRectangleBorder(
borderRadius: BorderRadiusDirectional.circular(8)),
child: ExtendedImage.network(
this.url,
width: 50,
height: 50,
fit: BoxFit.cover,
cache: true,
// border: Border.all(color: Colors.grey, width: 1.0),
borderRadius: BorderRadius.all(Radius.circular(8)),
loadStateChanged: (state) => defaultLoadStateChanged(state),
),
));
} else {
return buildCenterIcon(Icon(IconData(0xe654, fontFamily: 'iconfont')));
}
} catch (e) {
return buildCenterIcon(Icon(IconData(0xe654, fontFamily: 'iconfont')));
}
}
Widget buildCenterIcon(Icon icon) {
return SizedBox(
height: 50,
width: 50,
child: Center(
child: icon,
),
);
}
}
/// 文件类型
enum FileContentType {
/// 文件
FILE,
/// 文件夹
DIR,
}