47 lines
1.4 KiB
C#
47 lines
1.4 KiB
C#
/*
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* Copyright (c) 2019 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.Timers;
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namespace SafeExamBrowser.UserInterface.Desktop.ViewModels
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{
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internal class DateTimeViewModel : INotifyPropertyChanged
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{
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private Timer 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 Timer(1000);
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this.timer.Elapsed += Timer_Elapsed;
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this.timer.Start();
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}
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private void Timer_Elapsed(object sender, ElapsedEventArgs 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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