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CommitTimeTextBlock.cs
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181 lines (148 loc) · 5.75 KB
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using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Layout;
using Avalonia.Threading;
namespace SourceGit.Views
{
public class CommitTimeTextBlock : TextBlock
{
public static readonly StyledProperty<bool> ShowAsDateTimeProperty =
AvaloniaProperty.Register<CommitTimeTextBlock, bool>(nameof(ShowAsDateTime), true);
public bool ShowAsDateTime
{
get => GetValue(ShowAsDateTimeProperty);
set => SetValue(ShowAsDateTimeProperty, value);
}
public static readonly StyledProperty<bool> Use24HoursProperty =
AvaloniaProperty.Register<CommitTimeTextBlock, bool>(nameof(Use24Hours), true);
public bool Use24Hours
{
get => GetValue(Use24HoursProperty);
set => SetValue(Use24HoursProperty, value);
}
public static readonly StyledProperty<int> DateTimeFormatProperty =
AvaloniaProperty.Register<CommitTimeTextBlock, int>(nameof(DateTimeFormat));
public int DateTimeFormat
{
get => GetValue(DateTimeFormatProperty);
set => SetValue(DateTimeFormatProperty, value);
}
public static readonly StyledProperty<bool> UseAuthorTimeProperty =
AvaloniaProperty.Register<CommitTimeTextBlock, bool>(nameof(UseAuthorTime), true);
public bool UseAuthorTime
{
get => GetValue(UseAuthorTimeProperty);
set => SetValue(UseAuthorTimeProperty, value);
}
protected override Type StyleKeyOverride => typeof(TextBlock);
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == UseAuthorTimeProperty)
{
SetCurrentValue(TextProperty, GetDisplayText());
}
else if (change.Property == ShowAsDateTimeProperty)
{
SetCurrentValue(TextProperty, GetDisplayText());
if (ShowAsDateTime)
{
StopTimer();
HorizontalAlignment = HorizontalAlignment.Left;
}
else
{
StartTimer();
HorizontalAlignment = HorizontalAlignment.Center;
}
}
else if (change.Property == DateTimeFormatProperty || change.Property == Use24HoursProperty)
{
if (ShowAsDateTime)
SetCurrentValue(TextProperty, GetDisplayText());
}
}
protected override void OnLoaded(RoutedEventArgs e)
{
base.OnLoaded(e);
if (!ShowAsDateTime)
StartTimer();
}
protected override void OnUnloaded(RoutedEventArgs e)
{
base.OnUnloaded(e);
StopTimer();
}
protected override void OnDataContextChanged(EventArgs e)
{
base.OnDataContextChanged(e);
SetCurrentValue(TextProperty, GetDisplayText());
}
private void StartTimer()
{
if (_refreshTimer != null)
return;
_refreshTimer = DispatcherTimer.Run(() =>
{
Dispatcher.UIThread.Invoke(() =>
{
var text = GetDisplayText();
if (!text.Equals(Text, StringComparison.Ordinal))
Text = text;
});
return true;
}, TimeSpan.FromSeconds(10));
}
private void StopTimer()
{
if (_refreshTimer != null)
{
_refreshTimer.Dispose();
_refreshTimer = null;
}
}
private string GetDisplayText()
{
if (DataContext is not Models.Commit commit)
return string.Empty;
var timestamp = UseAuthorTime ? commit.AuthorTime : commit.CommitterTime;
if (ShowAsDateTime)
return Models.DateTimeFormat.Format(timestamp);
var now = DateTime.Now;
var localTime = DateTime.UnixEpoch.AddSeconds(timestamp).ToLocalTime();
var span = now - localTime;
if (span.TotalMinutes < 1)
return App.Text("Period.JustNow");
if (span.TotalHours < 1)
return App.Text("Period.MinutesAgo", (int)span.TotalMinutes);
if (span.TotalDays < 1)
{
var hours = (int)span.TotalHours;
return hours == 1 ? App.Text("Period.HourAgo") : App.Text("Period.HoursAgo", hours);
}
var lastDay = now.AddDays(-1).Date;
if (localTime >= lastDay)
return App.Text("Period.Yesterday");
if ((localTime.Year == now.Year && localTime.Month == now.Month) || span.TotalDays < 28)
{
var diffDay = now.Date - localTime.Date;
return App.Text("Period.DaysAgo", (int)diffDay.TotalDays);
}
var lastMonth = now.AddMonths(-1).Date;
if (localTime.Year == lastMonth.Year && localTime.Month == lastMonth.Month)
return App.Text("Period.LastMonth");
if (localTime.Year == now.Year || localTime > now.AddMonths(-11))
{
var diffMonth = (12 + now.Month - localTime.Month) % 12;
return App.Text("Period.MonthsAgo", diffMonth);
}
var diffYear = now.Year - localTime.Year;
if (diffYear == 1)
return App.Text("Period.LastYear");
return App.Text("Period.YearsAgo", diffYear);
}
private IDisposable _refreshTimer = null;
}
}