我有几页的angular2-nativescript应用程序。结构类似于杂货的例子。所有页面都有非常相似的操作栏内容,所以我不想为每个页面添加所有操作栏和SideDrawer事件处理程序,或者为每个页面模板添加自定义组件
有没有办法让所有应用程序页面都有单个ActionBar和SideDrawer组件?此外,重要的是能够从所有页面访问此组件并从页面类调用其方法(因此我可以告诉该组件它应该隐藏/显示某些内容)。我想将来使用一些动作栏动画,所以每次页面更改时都不应重新创建ActionBar
我创建了包含侧抽屉的组件。
import { Component, ViewChild, OnInit,ElementRef,Input } from '@angular/core';
import { TranslateService } from "ng2-translate";
import {Router, NavigationExtras} from "@angular/router";
import * as ApplicationSettings from "application-settings";
import { Page } from "ui/page";
import { RadSideDrawerComponent, SideDrawerType } from "nativescript-pro-ui/sidedrawer/angular";
import application = require("application");
import { Config } from "../../shared/config";
import * as elementRegistryModule from 'nativescript-angular/element-registry';
import { RouterExtensions } from "nativescript-angular/router";
import { AndroidApplication, AndroidActivityBackPressedEventData } from "application";
import { isAndroid } from "platform";
import { UserService } from "../../shared/user/user.service";
import { SideDrawerLocation } from "nativescript-pro-ui/sidedrawer";
@Component({
selector: 'sideDrawer',
templateUrl: 'shared/sideDrawer/sideDrawer.component.html',
styleUrls: ['shared/sideDrawer/sideDrawer.component.css']
})
export class SideDrawerComponent implements OnInit {
@Input () title =""
@Input () backStatus =true;
theme: string="shared/sideDrawer/sideDrawer.component.ar.css";
private drawer: SideDrawerType;
private isEnglish=true;
@ViewChild(RadSideDrawerComponent)
public drawerComponent: RadSideDrawerComponent;
constructor(private us: UserService,private translate: TranslateService,private router:Router, private routerExtensions: RouterExtensions,private _page: Page) { }
ngOnInit() {
this.drawer = this.drawerComponent.sideDrawer;
this.drawer.showOverNavigation=true;
if (ApplicationSettings.getString("language")=="ar") {
this.isEnglish=false;
this.drawer.drawerLocation = SideDrawerLocation.Right;
this.addArabicStyleUrl();
}
if (!isAndroid) {
return;
}
application.android.on(AndroidApplication.activityBackPressedEvent, (data: AndroidActivityBackPressedEventData) => {
data.cancel = true; // prevents default back button behavior
this.back() ;
});
}
back() {
this.routerExtensions.back();
}
public toggleShow(){
this.drawer.showDrawer();
}
在每个页面中添加它并使用输入和输出参数进行自定义
<sideDrawer [title]="'category' | translate"></sideDrawer>