first commit

moehu/moehu_fontend/lib/views/Dynamic/Dynamic.dart

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+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_easyrefresh/easy_refresh.dart';
+import 'package:flutter_modular/flutter_modular.dart';
+import 'package:peach/config/_.dart';
+import 'package:peach/entity/_.dart';
+import 'package:peach/event/_.dart';
+import 'package:peach/service/TagService.dart';
+import 'package:peach/service/_.dart';
+import 'package:peach/utils/_.dart';
+import 'package:peach/views/Dynamic/DynamicItem.dart';
+import 'package:peach/views/Dynamic/Topic.dart';
+import 'package:peach/widget/_.dart';
+
+import 'MostFrequently.dart';
+
+/*
+ * 动态
+ */
+class Dynamic extends StatefulWidget {
+  @override
+  _Dynamic createState() => _Dynamic();
+}
+
+class _Dynamic extends State<Dynamic> {
+  EasyRefreshController _easyRefreshController;
+  List<DynamicTabsDynamicEntity> dynamicList = [];
+  List<DynamicDynamicHistoryEntity> history = [];
+  List<TagRecommendTagEntityData> recommendTagList = [];
+
+  PageEntity page = PageEntity();
+
+  @override
+  void initState() {
+    _easyRefreshController = EasyRefreshController();
+    super.initState();
+    future();
+    listenChange();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        toolbarHeight: Screen.setHeight(82),
+        backgroundColor: ColorConfig.WhiteBackColor,
+        elevation: 0,
+        leading: SizedBox(width: 0.1),
+        title: Align(
+          alignment: Alignment.center,
+          child: Text("动态",
+              textAlign: TextAlign.center,
+              style: TextStyle(color: ColorConfig.TitleColor)),
+        ),
+        actions: [
+          GestureDetector(
+            onTap: () {
+              Navigator.of(context).pushNamed("/releaseNews");
+            },
+            child: Container(
+              margin: EdgeInsets.only(right: 10),
+              width: Screen.setWidth(45),
+              child: Icon(Icons.edit_road, color: ColorConfig.TitleColor),
+            ),
+          )
+        ],
+        bottom: bottom(),
+      ),
+      body: Container(
+        height: Screen.height(context) - Screen.setHeight(158),
+        child: easyRefresh(Column(
+          children: [
+            MostFrequently(
+              history: history,
+            ),
+            Column(
+              children: [
+                Line(),
+                Topic(
+                  topicList: recommendTagList,
+                )
+              ],
+            ),
+            ...dynamicList
+                .asMap()
+                .keys
+                .map((e) => DynamicItem(dynamicData: dynamicList[e]))
+                .toList(),
+          ],
+        )),
+      ),
+    );
+  }
+
+  Widget bottom() {
+    return PreferredSize(
+      preferredSize: Size.fromHeight(45),
+      child: Container(
+        height: Screen.setHeight(37),
+        decoration: BoxDecoration(
+            border: Border(
+          top: BorderSide(
+              color: ColorConfig.LineColor, width: 1, style: BorderStyle.solid),
+          bottom: BorderSide(
+              color: ColorConfig.LineColor, width: 1, style: BorderStyle.solid),
+        )),
+        child: Align(
+          alignment: Alignment.center,
+          child: Panel(
+            top: 5,
+            bottom: 5,
+            child: ExhibitionSearch(
+              backgroundColor: ColorConfig.AshPlacement,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  // 下拉刷新上啦加载
+  Widget easyRefresh(Widget child) {
+    return EasyRefresh(
+      header: BezierCircleHeader(backgroundColor: ColorConfig.ThemeColor),
+      footer: BezierBounceFooter(backgroundColor: ColorConfig.ThemeColor),
+      enableControlFinishRefresh: false,
+      enableControlFinishLoad: true,
+      controller: _easyRefreshController,
+      child: child,
+      bottomBouncing: true,
+      onRefresh: () async {
+        page.page = 1;
+        dynamicList = [];
+        page.isLoad = false;
+        await dynamicPersonalDynamic();
+        _easyRefreshController.finishRefresh(success: true);
+      },
+      onLoad: () async {
+        if (!page.isLoad) {
+          page.page += 1;
+          await dynamicPersonalDynamic();
+          _easyRefreshController.finishLoad();
+        } else {
+          new Future.delayed(Duration(seconds: 1), () {
+            _easyRefreshController.finishLoad();
+          });
+        }
+      },
+    );
+  }
+
+  listenChange() {
+    Config.eventBus.on<ClassEditEvent>().listen((event) {
+      print("${event.update}-------");
+      if (event.update) {
+        print(1);
+        page.page = 1;
+        dynamicList = [];
+        future();
+      }
+    });
+  }
+
+  future() async {
+    await dynamicPersonalDynamic();
+    await dynamicDynamicHistory();
+    await tagRecommendTag();
+    setState(() {});
+  }
+
+  dynamicPersonalDynamic() async {
+    DynamicTabsDynamicEntityData res = await DynamicService.dynamicTabsDynamic(
+        {"page": page.page, "count": page.count});
+    if (res == null) return;
+    if (res.result.length < page.count) {
+      page.isLoad = true;
+    }
+    dynamicList = [...dynamicList, ...res.result];
+  }
+
+  dynamicDynamicHistory() async {
+    DynamicDynamicHistoryEntityData res =
+        await DynamicService.dynamicDynamicHistory({"page": 1, "count": 50});
+    if (res == null) return;
+    history = res.result;
+  }
+
+  tagRecommendTag() async {
+    List<TagRecommendTagEntityData> res = await TagService.tagRecommendTag({});
+    if (res == null) return;
+    recommendTagList = res.take(5).toList();
+  }
+}