HMDemo/app/src/main/ets/pages/WebPage.ets
2024-04-02 21:30:05 +08:00

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import { WebView, ComponentConst, CommonRes, TitleBar, WebViewController } from '@devwiki/common_ui';
@Entry
@Component
export struct WebPage {
@State viewModel: WebPageViewModel = new WebPageViewModel();
private webViewController?: WebPageController;
aboutToAppear(): void {
this.webViewController = new WebPageController(this.viewModel);
}
onTitleBarLeftClick(event: ClickEvent) {
this.getUIContext().getRouter().back();
}
onTitleBarRightClick(event: ClickEvent) {
this.webViewController?.refresh();
}
build() {
Column() {
RelativeContainer() {
TitleBar({
title: this.viewModel.pageTitle,
onLeftClicked: this.onTitleBarLeftClick,
rightIcon: CommonRes.getIconRefresh(),
// 必须这么写 onTitleBarRightClick内部的代码才执行,
// 直接 onRightClicked: this.onTitleBarRightClick 这么写, 代码不执行
onRightClicked: (event: ClickEvent) => { this.onTitleBarRightClick(event)},
})
.width('100%')
.alignRules({
top: { anchor: ComponentConst.ContainerId, align: VerticalAlign.Top },
left: { anchor: ComponentConst.ContainerId, align: HorizontalAlign.Start }
}).id("title_bar");
Divider().alignRules({
top: { anchor: "title_bar", align: VerticalAlign.Bottom },
left: { anchor: ComponentConst.ContainerId, align: HorizontalAlign.Start }
}).width('100%').id("divider")
WebView({ webUrl: this.viewModel?.webUrl, controller: this.webViewController }).width('100%')
.alignRules({
top: { anchor: "divider", align: VerticalAlign.Bottom },
left: { anchor: ComponentConst.ContainerId, align: HorizontalAlign.Start },
bottom: { anchor: ComponentConst.ContainerId, align: VerticalAlign.Bottom }
}).id("host_web")
}.width('100%').height('100%')
}.width('100%').height('100%')
}
}
class WebPageController extends WebViewController {
private viewModel: WebPageViewModel;
constructor(viewModel: WebPageViewModel) {
super()
this.viewModel = viewModel;
}
onPageEnd(title: string): void {
this.viewModel.pageTitle = title;
}
getNativePageFileName(): string {
return "Index.ets";
}
}
class WebPageViewModel {
webUrl: string = "https://devwiki.net";
pageTitle: ResourceStr = "";
constructor() {
}
onTitleChanged(title: string) {
this.pageTitle = title;
}
}