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opt: 图片预览

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This commit is contained in:
guozhigq
2024-10-03 20:35:33 +08:00
parent 0654f601f4
commit a8c89e59b1
7 changed files with 106 additions and 178 deletions
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125
lib/plugin/pl_gallery/interactiveviewer_gallery.dart
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@ -2,10 +2,12 @@ library interactiveviewer_gallery;
import 'dart:io';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart';
import 'package:path_provider/path_provider.dart';
import 'package:pilipala/utils/download.dart';
import 'package:share_plus/share_plus.dart';
@ -32,7 +34,7 @@ class InteractiveviewerGallery<T> extends StatefulWidget {
const InteractiveviewerGallery({
required this.sources,
required this.initIndex,
required this.itemBuilder,
this.itemBuilder,
this.maxScale = 4.5,
this.minScale = 1.0,
this.onPageChanged,
@ -47,7 +49,7 @@ class InteractiveviewerGallery<T> extends StatefulWidget {
final int initIndex;
/// The item content
final IndexedFocusedWidgetBuilder itemBuilder;
final IndexedFocusedWidgetBuilder? itemBuilder;
final double maxScale;
@ -246,12 +248,15 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
_doubleTapLocalPosition = details.localPosition;
},
onDoubleTap: onDoubleTap,
child: widget.itemBuilder(
context,
index,
index == currentIndex,
_enablePageView,
),
onLongPress: onLongPress,
child: widget.itemBuilder != null
? widget.itemBuilder!(
context,
index,
index == currentIndex,
_enablePageView,
)
: _itemBuilder(widget.sources, index),
);
},
),
@ -302,17 +307,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
PopupMenuItem(
value: 1,
onTap: () {
Clipboard.setData(ClipboardData(
text:
widget.sources[currentIndex!].toString()))
.then((value) {
SmartDialog.showToast('已复制到粘贴板');
}).catchError((err) {
SmartDialog.showNotify(
msg: err.toString(),
notifyType: NotifyType.error,
);
});
onCopyImg(widget.sources[currentIndex!].toString());
},
child: const Text("复制图片"),
),
@ -350,6 +345,41 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
Share.shareXFiles([XFile(path)], subject: imgUrl);
}
// 复制图片
void onCopyImg(String imgUrl) {
Clipboard.setData(
ClipboardData(text: widget.sources[currentIndex!].toString()))
.then((value) {
SmartDialog.showToast('已复制到粘贴板');
}).catchError((err) {
SmartDialog.showNotify(
msg: err.toString(),
notifyType: NotifyType.error,
);
});
}
Widget _itemBuilder(sources, index) {
return GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () {
if (_enablePageView) {
Navigator.of(context).pop();
}
},
child: Center(
child: Hero(
tag: sources[index],
child: CachedNetworkImage(
fadeInDuration: const Duration(milliseconds: 0),
imageUrl: sources[index],
fit: BoxFit.contain,
),
),
),
);
}
onDoubleTap() {
Matrix4 matrix = _transformationController!.value.clone();
double currentScale = matrix.row0.x;
@ -396,4 +426,61 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
.forward(from: 0)
.whenComplete(() => _onScaleChanged(targetScale));
}
onLongPress() {
showModalBottomSheet(
context: context,
useRootNavigator: true,
isScrollControlled: true,
builder: (context) {
return Container(
padding:
EdgeInsets.only(bottom: MediaQuery.of(context).padding.bottom),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
InkWell(
onTap: () => Get.back(),
child: Container(
height: 35,
padding: const EdgeInsets.only(bottom: 2),
child: Center(
child: Container(
width: 32,
height: 3,
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.outline,
borderRadius:
const BorderRadius.all(Radius.circular(3))),
),
),
),
),
ListTile(
onTap: () {
onShareImg(widget.sources[currentIndex!]);
Navigator.of(context).pop();
},
title: const Text('分享图片'),
),
ListTile(
onTap: () {
onCopyImg(widget.sources[currentIndex!].toString());
Navigator.of(context).pop();
},
title: const Text('复制图片'),
),
ListTile(
onTap: () {
DownloadUtils.downloadImg(widget.sources[currentIndex!]);
Navigator.of(context).pop();
},
title: const Text('保存图片'),
),
],
),
);
},
);
}
}