HarmonyOS bindPopup遇到问题

可参考以下demo

import { router } from '@kit.ArkUI'
import { BusinessError } from '@kit.BasicServicesKit'

@Entry
@Component
export struct Index {
  @State list: stockListData = new stockListData([])

  aboutToAppear(): void {
    const list: ItemInfo[] = []
    for (let i = 0; i < 50; ++i) {
      let stockName = "item" + i
      let bgState = 0
      list.push(new ItemInfo(stockName, bgState))
    }
    this.list.modifyAllData(list)

  }

  build() {
    Column() {
      Text("开始").height('50')
        .width('100%').onClick(() => {
      })
      List({ space: 10 }) {
        LazyForEach(this.list, (info: ItemInfo, index: number) => {
          ListItem() {
            ItemView({
              info: info, itemFun: (name) => {
                let itemIndex = 0
                for (let im of this.list.getAllData()) {
                  if (im.stockName === name) {
                    break
                  }
                  itemIndex++
                }
                console.info("animate--ItemView--aboutToReuse---delete Name=" + name)
                this.list.getAllData().splice(itemIndex, 1)
                this.list.notifyDataDelete(itemIndex)
              }
            })
              .onClick(() => {
              })
          }.height('80')
        }, (info: ItemInfo, index: number) => info.stockName + "type" + index)
      }
      .height('100%')
      .width('100%')
    }
    .height('100%')
    .width('100%')
  }
}

@Reusable
@Component
struct ItemView {
  @Prop info: ItemInfo
  private lastName: string = ""

  aboutToAppear(): void {
    this.lastName = this.info.stockName
  }

  aboutToReuse(params: Record<string, Object>): void {
    console.info("animate--ItemView--aboutToReuse---name=" + this.info.stockName + ",lastName=" + this.lastName)

    this.lastName = this.info.stockName
  }

  @State customPopup: boolean = false
  itemFun: (name: string) => void = (name) => {
  }

  @Builder
  popItemsView() {
    Text("qipao pop").onClick(() => {
      this.customPopup = !this.customPopup
      this.itemFun(this.info.stockName)
    })
  }

  build() {
    Column() {
      Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
        Column() {
          Text(this.info.stockName)
            .maxFontSize('16')
            .minFontSize('8')
            .maxLines(1)
            .margin({ bottom: 2 })
        }
        .width('36.27%')
        .alignItems(HorizontalAlign.Start)
        .padding({ left: '16', right: 8 })
      }
      .backgroundColor("#00ffea")
      .height('100%')
    }
    .bindPopup(this.customPopup, {
      builder: this.popItemsView, // 气泡的内容
      placement: Placement.Top, // 气泡的弹出位置
      offset: { x: 0, y: 30 },
      radius: 12,
      popupColor: Color.Pink, // 气泡的背景色
      onStateChange: (e) => {
        console.info('tag', JSON.stringify(e.isVisible))
        if (!e.isVisible) {
          this.customPopup = false
          // this.bgColor = this.info.topStatus == 1 ? $r('app.color.dialog_background') : $r('app.color.start_window_background')
        } else {
          this.customPopup = true
          // this.bgColor = $r('app.color.dialog_button')
        }
      }
    })
    .gesture(
      LongPressGesture({ repeat: false })// 由于repeat设置为true，长按动作存在时会连续触发，触发间隔为duration（默认值500ms）
        .onAction((event?: GestureEvent) => {
          console.log("tag", "LongPressGesture start event--customPopup=" + this.customPopup)
          if (event) {
            this.customPopup = !this.customPopup
          }
          // if (event && event.repeat) {
          // }
        })// 长按动作一结束触发
        .onActionEnd((event?: GestureEvent) => {
          if (event) {
          }
        })
    )
  }
}

@Observed
class ItemInfo {
  @Track
  stockName: string = "--"
  @Track
  bgState: number = 0

  constructor(name: string, bg: number) {
    this.stockName = name
    this.bgState = bg
  }
}


class BasicDataSource implements IDataSource {
  private listeners: DataChangeListener[] = [];

  public totalCount(): number {
    return 0;
  }

  public getData(index: number): ItemInfo | undefined {
    return undefined;
  }

  registerDataChangeListener(listener: DataChangeListener): void {
    if (this.listeners.indexOf(listener) < 0) {
      this.listeners.push(listener);
    }
  }

  unregisterDataChangeListener(listener: DataChangeListener): void {
    const position = this.listeners.indexOf(listener);
    if (position >= 0) {
      this.listeners.splice(position, 1);
    }
  }

  notifyDataReload(): void {
    this.listeners.forEach((listener: DataChangeListener) => {
      listener.onDataReloaded();
    })
  }

  notifyDataAdd(index: number): void {
    this.listeners.forEach((listener: DataChangeListener) => {
      listener.onDataAdd(index);
    })
  }

  notifyDataChange(index: number): void {
    this.listeners.forEach((listener: DataChangeListener) => {
      listener.onDataChange(index);
    })
  }

  notifyDataDelete(index: number): void {
    this.listeners.forEach((listener: DataChangeListener) => {
      listener.onDataDelete(index);
    })
  }

  notifyDataMove(from: number, to: number): void {
    this.listeners.forEach((listener: DataChangeListener) => {
      listener.onDataMove(from, to);
    })
  }
}

export class stockListData extends BasicDataSource {
  private listData: ItemInfo[] = [];

  constructor(dataArray: ItemInfo[]) {
    super()
    this.listData = dataArray;
  }

  public totalCount(): number {
    return this.listData.length;
  }

  public getAllData(): ItemInfo[] {
    return this.listData;
  }

  public getData(index: number): ItemInfo {
    return this.listData[index];
  }

  public modifyAllData(data: ItemInfo[]): void {
    this.listData = data
    this.notifyDataReload()
  }
}
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
68.
69.
70.
71.
72.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
88.
89.
90.
91.
92.
93.
94.
95.
96.
97.
98.
99.
100.
101.
102.
103.
104.
105.
106.
107.
108.
109.
110.
111.
112.
113.
114.
115.
116.
117.
118.
119.
120.
121.
122.
123.
124.
125.
126.
127.
128.
129.
130.
131.
132.
133.
134.
135.
136.
137.
138.
139.
140.
141.
142.
143.
144.
145.
146.
147.
148.
149.
150.
151.
152.
153.
154.
155.
156.
157.
158.
159.
160.
161.
162.
163.
164.
165.
166.
167.
168.
169.
170.
171.
172.
173.
174.
175.
176.
177.
178.
179.
180.
181.
182.
183.
184.
185.
186.
187.
188.
189.
190.
191.
192.
193.
194.
195.
196.
197.
198.
199.
200.
201.
202.
203.
204.
205.
206.
207.
208.
209.
210.
211.
212.
213.
214.
215.
216.
217.
218.
219.
220.
221.
222.
223.
224.
225.
226.
227.
228.