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v1.0.1

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KAWASAKIAKASEI
2026-03-07 17:24:59 +08:00
parent 4418ebecac
commit b0ec8ab4bd
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lib/app/dialog_utils.dart Normal file
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import 'dart:io';
import 'package:extended_image/extended_image.dart';
import 'package:flutter/services.dart';
import 'package:flutter_dmzj/app/app_style.dart';
import 'package:flutter/material.dart';
import 'package:flutter_dmzj/app/utils.dart';
import 'package:get/get.dart';
import 'package:photo_view/photo_view_gallery.dart';
class DialogUtils {
/// 提示弹窗
/// - `content` 内容
/// - `title` 弹窗标题
/// - `confirm` 确认按钮内容，留空为确定
/// - `cancel` 取消按钮内容，留空为取消
static Future<bool> showAlertDialog(
String content, {
String title = '',
String confirm = '',
String cancel = '',
bool selectable = false,
bool barrierDismissible = true,
List<Widget>? actions,
}) async {
var result = await Get.dialog(
AlertDialog(
title: Text(title),
content: Container(
constraints: const BoxConstraints(
maxHeight: 400,
maxWidth: 500,
),
child: SingleChildScrollView(
child: Padding(
padding: AppStyle.edgeInsetsV12,
child: selectable ? SelectableText(content) : Text(content),
),
),
),
actions: [
TextButton(
onPressed: (() => Get.back(result: false)),
child: Text(cancel.isEmpty ? "取消" : cancel),
),
TextButton(
onPressed: (() => Get.back(result: true)),
child: Text(confirm.isEmpty ? "确定" : confirm),
),
...?actions,
],
),
barrierDismissible: barrierDismissible,
);
return result ?? false;
}
/// 提示弹窗
/// - `content` 内容
/// - `title` 弹窗标题
/// - `confirm` 确认按钮内容，留空为确定
static Future<bool> showMessageDialog(String content,
{String title = '', String confirm = '', bool selectable = false}) async {
var result = await Get.dialog(
AlertDialog(
title: Text(title),
content: Padding(
padding: AppStyle.edgeInsetsV12,
child: selectable ? SelectableText(content) : Text(content),
),
actions: [
TextButton(
onPressed: (() => Get.back(result: true)),
child: Text(confirm.isEmpty ? "确定" : confirm),
),
],
),
);
return result ?? false;
}
/// 文本编辑的弹窗
/// - `content` 编辑框默认的内容
/// - `title` 弹窗标题
/// - `confirm` 确认按钮内容
/// - `cancel` 取消按钮内容
static Future<String?> showEditTextDialog(String content,
{String title = '',
String? hintText,
String confirm = '',
String cancel = ''}) async {
final TextEditingController textEditingController =
TextEditingController(text: content);
var result = await Get.dialog(
AlertDialog(
title: Text(title),
content: Padding(
padding: AppStyle.edgeInsetsT12,
child: TextField(
controller: textEditingController,
decoration: InputDecoration(
border: const OutlineInputBorder(),
//prefixText: title,
contentPadding: AppStyle.edgeInsetsA12,
hintText: hintText ?? title,
),
// style: TextStyle(
// height: 1.0,
// color: Get.isDarkMode ? Colors.white : Colors.black),
autofocus: true,
),
),
actions: [
TextButton(
onPressed: Get.back,
child: const Text("取消"),
),
TextButton(
onPressed: () {
Get.back(result: textEditingController.text);
},
child: const Text("确定"),
),
],
),
// barrierColor:
// Get.isDarkMode ? Colors.grey.withOpacity(.3) : Colors.black38,
);
return result;
}
static Future<T?> showOptionDialog<T>(
List<T> contents,
T value, {
String title = '',
}) async {
var result = await Get.dialog(
SimpleDialog(
title: Text(title),
children: contents
.map(
(e) => RadioListTile<T>(
title: Text(e.toString()),
value: e,
groupValue: value,
onChanged: (e) {
Get.back(result: e);
},
),
)
.toList(),
),
);
return result;
}
static void showStatement() async {
var text = await rootBundle.loadString("assets/statement.txt");
showAlertDialog(
text,
selectable: true,
title: "免责声明",
confirm: "已阅读并同意",
cancel: "退出",
barrierDismissible: false,
).then((value) {
if (!value) {
exit(0);
}
});
}
static Future<T?> showMapOptionDialog<T>(
Map<T, String> contents,
T value, {
String title = '',
}) async {
var result = await Get.dialog(
SimpleDialog(
title: Text(title),
children: contents.keys
.map(
(e) => RadioListTile<T>(
title: Text((contents[e] ?? '-').tr),
value: e,
groupValue: value,
onChanged: (e) {
Get.back(result: e);
},
),
)
.toList(),
),
);
return result;
}
static void showImageViewer(int initIndex, List<String> images) {
var index = initIndex.obs;
Get.dialog(
Scaffold(
backgroundColor: Colors.black87,
body: Stack(
children: [
PhotoViewGallery.builder(
itemCount: images.length,
builder: (_, i) {
if (images[i].startsWith("http")) {
return PhotoViewGalleryPageOptions(
filterQuality: FilterQuality.high,
imageProvider: ExtendedNetworkImageProvider(
images[i],
cache: true,
),
onTapUp: ((context, details, controllerValue) =>
Get.back()),
);
} else {
return PhotoViewGalleryPageOptions(
filterQuality: FilterQuality.high,
imageProvider: ExtendedMemoryImageProvider(
File(images[i]).readAsBytesSync(),
),
onTapUp: ((context, details, controllerValue) =>
Get.back()),
);
}
},
loadingBuilder: (context, event) => const Center(
child: CircularProgressIndicator(),
),
pageController: PageController(
initialPage: index.value,
),
onPageChanged: ((i) {
index.value = i;
}),
),
Container(
alignment: Alignment.bottomCenter,
margin: AppStyle.edgeInsetsA24
.copyWith(bottom: 24 + AppStyle.bottomBarHeight),
child: Obx(
() => Text(
"${index.value + 1}/${images.length}",
textAlign: TextAlign.center,
style: const TextStyle(color: Colors.white),
),
),
),
Positioned(
right: 12 + AppStyle.bottomBarHeight,
bottom: 12,
child: TextButton.icon(
onPressed: () {
Utils.saveImage(images[index.value]);
},
icon: const Icon(Icons.save),
label: const Text("保存"),
),
),
],
),
),
);
}
}