82 行
2.4 KiB
Plaintext
82 行
2.4 KiB
Plaintext
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import { XDialogCommon } from './XDialogCommon'
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import { XDialogController } from './XDialogController'
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@Preview
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@Component
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export struct XDialogList {
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controller: XDialogController | null = null
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onSelected: (index: number, value: string) => void = (index: number, value: string) => {
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}
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onCancel?: () => void = undefined
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title?: string = undefined
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values?: Array<string> | Array<object> = undefined
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autoCancel?: boolean = false
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private dialogController: CustomDialogController | null = null
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build() {
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this.buildContent()
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}
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aboutToAppear(): void {
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this.dialogController = new CustomDialogController({
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builder: XDialogCommon({
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dialogContent: () => {
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this.buildContent()
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},
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}),
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alignment: DialogAlignment.Center,
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autoCancel: this.autoCancel ?? false,
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cancel: () => {
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this.onCancel && this.onCancel()
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}
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})
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if (this.controller) {
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this.controller.open = () => {
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this.dialogController?.open()
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}
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this.controller.close = () => {
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this.dialogController?.close()
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}
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}
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}
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@Builder
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buildContent() {
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Column() {
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Text(this.title)
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.fontSize(13)
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.textAlign(TextAlign.Center)
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.width('60%')
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.maxLines(2)
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.ellipsisMode(EllipsisMode.END)
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.textOverflow({
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overflow: TextOverflow.Ellipsis
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})
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.visibility(this.title ? Visibility.Visible : Visibility.None)
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List({ space: 20, initialIndex: 0 }) {
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ForEach(this.values ?? [], (item: string, index: number) => {
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ListItem() {
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Text(item)
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.width('100%')
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.fontSize(16)
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.textAlign(TextAlign.Center)
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.onClick(() => {
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this.onSelected(index, item)
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this.dialogController?.close()
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})
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}
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}, (item: string) => item)
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}
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.listDirection(Axis.Vertical) // 排列方向
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.scrollBar(BarState.Off)
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.friction(0.6)
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.divider({ strokeWidth: 1, color: 0xEEEEEE, startMargin: 20, endMargin: 20 }) // 每行之间的分界线
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.edgeEffect(EdgeEffect.Spring) // 边缘效果设置为Spring
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.width('100%')
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.height(this.values === undefined ? '20%' : this.values?.length < 8 ? `${this.values?.length / 16 * 100}%` : '50%')
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.margin({ top: 20 })
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}.padding({ top: 20, bottom: 20, left: 20, right: 20 })
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}
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}
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