/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { InfoItem } from './model/DataSourcePrefetching';
import { PageViewModel } from './model/PageViewModel';
import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife';
import { CommonDataSource } from './model/CommonDataSource';
@Entry
@Component
export struct LazyForEachCache {
@State hotCommendList:CommonDataSource<InfoItem> = new CommonDataSource<InfoItem>([])
aboutToAppear(): void {
this.hotCommendList.addData(this.hotCommendList.totalCount(),PageViewModel.getItems())
}
build() {
Column() {
List({ space: 16 }) {
LazyForEach(this.hotCommendList, (item: InfoItem,index) => {
ListItem() {
Column({ space: 12 }) {
ImageKnifeComponent({
imageKnifeOption:{
loadSrc: item.albumUrl,
placeholderSrc:$r('app.media.loading')
}
}).width(100).height(100)
Text(`${index}`)
}.border({ width: 5 , color: '#000000'})
}
})
}
.cachedCount(5)
.width('100%')
.height('100%')
.margin({ left: 10, right: 10 })
.layoutWeight(1)
}
}
}