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101 lines
2.6 KiB
101 lines
2.6 KiB
import 'dart:io';
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import 'package:aku_new_community/constants/saas_api.dart';
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import 'package:aku_new_community/gen/assets.gen.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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///图片点击放大预览
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class BeeImagePreview extends StatefulWidget {
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static Future<T?> toFile<T>({required File file, String? tag}) async {
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return await navigator!.push(
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PageRouteBuilder(
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opaque: false,
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fullscreenDialog: true,
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pageBuilder: (context, animation, secondAnimation) {
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return FadeTransition(
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opacity: animation,
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child: BeeImagePreview.file(file: file, tag: tag),
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);
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},
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transitionsBuilder: (context, animation, secondaryAnimation, child) {
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return child;
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},
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),
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);
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}
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static toPath({required String? path, String? tag}) {
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navigator!.push(
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PageRouteBuilder(
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opaque: false,
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fullscreenDialog: true,
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pageBuilder: (context, animation, secondAnimation) {
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return BeeImagePreview.path(path: path, tag: tag);
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},
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transitionsBuilder: (context, animation, secondaryAnimation, child) {
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return FadeTransition(
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opacity: animation,
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child: child,
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);
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},
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),
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);
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}
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final File? file;
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final String? path;
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final String? tag;
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BeeImagePreview.file({Key? key, required this.file, this.tag})
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: path = null,
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super(key: key);
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BeeImagePreview.path({Key? key, required this.path, this.tag})
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: file = null,
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super(key: key);
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@override
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_BeeImagePreviewState createState() => _BeeImagePreviewState();
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}
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class _BeeImagePreviewState extends State<BeeImagePreview> {
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Widget get image {
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if (widget.file == null)
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return Hero(
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tag: widget.tag ?? widget.path!,
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child: FadeInImage.assetNetwork(
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placeholder: Assets.images.placeholder.path,
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image: SAASAPI.image(widget.path),
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imageErrorBuilder: (context, obj, stackTrace) {
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return Image.asset(
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Assets.images.placeholder.path,
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fit: BoxFit.fill,
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);
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},
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),
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);
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else
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return Hero(
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tag: widget.tag ?? widget.file.hashCode,
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child: Image.file(widget.file!),
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);
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}
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: Get.back,
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child: Scaffold(
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backgroundColor: Colors.black54,
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body: InteractiveViewer(
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boundaryMargin: EdgeInsets.all(48),
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minScale: 0.2,
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maxScale: 10,
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child: Center(child: image),
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),
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),
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);
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}
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}
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