NativeScript/apps/app/ui-tests-app/modal-view/modal-view.ts

import { Page } from "tns-core-modules/ui/page";
import { Label } from "tns-core-modules/ui/label";

function createCloseCallback(label: Label, context?: string): (username: string, password: string) => void {
    return function (username: string, password: string) {
        let result = username + "/" + password;
        result = context ? context + "/" + result : result;
        console.log(result);
        label.text = result;
    }
}

function openModal(page: Page, label: Label, context: string) {
    page.showModal("ui-tests-app/modal-view/login-page", {
        context,
        closeCallback: createCloseCallback(label, context),
        fullscreen: false,
    });
}

export function onTap(args) {
    const page = <Page>args.object.page;
    const label = page.getViewById<Label>("label");
    var fullscreen = (<any>args.object).text.indexOf("(full-screen)") !== -1;

    page.showModal("ui-tests-app/modal-view/login-page", {
        context: "context",
        closeCallback: createCloseCallback(label),
        fullscreen
    });
}

export function onTapStretched(args) {
    const page = <Page>args.object.page;
    const label = page.getViewById<Label>("label");

    page.showModal("ui-tests-app/modal-view/login-page", {
        context: "context",
        closeCallback: createCloseCallback(label),
        fullscreen: false,
        animated: false,
        stretched: true
    });
}

export function onTapSecondModalInCB(args) {
    const page = <Page>args.object.page;
    const label = page.getViewById<Label>("label");
    page.showModal("ui-tests-app/modal-view/login-page", {
        context: "First",
        closeCallback: (username: string, password: string) => {
            const result = "First/" + username + "/" + password;
            console.log(result);
            label.text = result;

            // Open second modal in the close callback of the first one.
            openModal(page, label, "Second");
        }
    });
}

export function onTapSecondModalInTimer(args) {
    const page = <Page>args.object.page;
    const label = page.getViewById<Label>("label");
    openModal(page, label, "First");

    // Open second modal 1s after the first one.
    setTimeout(() => openModal(page, label, "Second"), 1000);
}