48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
/*
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* Copyright (c) 2023 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.ComponentModel;
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using System.Windows.Threading;
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namespace SafeExamBrowser.UserInterface.Mobile.ViewModels
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{
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internal class DateTimeViewModel : INotifyPropertyChanged
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{
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private DispatcherTimer timer;
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private readonly bool showSeconds;
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public string Date { get; private set; }
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public string Time { get; private set; }
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public string ToolTip { get; private set; }
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public event PropertyChangedEventHandler PropertyChanged;
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public DateTimeViewModel(bool showSeconds)
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{
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this.showSeconds = showSeconds;
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this.timer = new DispatcherTimer();
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this.timer.Interval = TimeSpan.FromMilliseconds(250);
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this.timer.Tick += Timer_Tick;
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this.timer.Start();
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}
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private void Timer_Tick(object sender, EventArgs e)
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{
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var date = DateTime.Now;
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Date = date.ToShortDateString();
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Time = showSeconds ? date.ToLongTimeString() : date.ToShortTimeString();
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ToolTip = $"{date.ToLongDateString()} {date.ToLongTimeString()}";
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Time)));
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Date)));
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(ToolTip)));
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}
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}
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}
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