115 lines
5.1 KiB
C#
115 lines
5.1 KiB
C#
using Microsoft.UI.Xaml;
|
||
using Microsoft.UI.Xaml.Data;
|
||
|
||
namespace FluidExplorer.Helpers;
|
||
|
||
/// <summary>bool → Visibility（ConverterParameter="invert" 可反转）。</summary>
|
||
public sealed class BoolToVisibilityConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
{
|
||
var flag = value is bool b && b;
|
||
if (parameter is string s && s.Equals("invert", StringComparison.OrdinalIgnoreCase)) flag = !flag;
|
||
return flag ? Visibility.Visible : Visibility.Collapsed;
|
||
}
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> value is Visibility v && v == Visibility.Visible;
|
||
}
|
||
|
||
/// <summary>字符串非空 → Visible。</summary>
|
||
public sealed class StringToVisibilityConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
=> string.IsNullOrWhiteSpace(value as string) ? Visibility.Collapsed : Visibility.Visible;
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> throw new NotSupportedException();
|
||
}
|
||
|
||
/// <summary>数量 > 0 → Visible。</summary>
|
||
public sealed class CountToVisibilityConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
=> value is int count && count > 0 ? Visibility.Visible : Visibility.Collapsed;
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> throw new NotSupportedException();
|
||
}
|
||
|
||
/// <summary>bool 取反。</summary>
|
||
public sealed class InverseBoolConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
=> value is bool b && !b;
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> value is bool b && !b;
|
||
}
|
||
|
||
/// <summary>回收站/图库等视图才显示的操作按钮。</summary>
|
||
public sealed class KindToVisibilityConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
{
|
||
var current = value?.ToString();
|
||
var expected = parameter as string;
|
||
return string.Equals(current, expected, StringComparison.OrdinalIgnoreCase) ? Visibility.Visible : Visibility.Collapsed;
|
||
}
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> throw new NotSupportedException();
|
||
}
|
||
|
||
/// <summary>作业状态 → 中文文案（状态栏/队列面板用）。</summary>
|
||
public sealed class JobStateTextConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
=> value is Services.Operations.JobState state
|
||
? state switch
|
||
{
|
||
Services.Operations.JobState.Queued => "排队中",
|
||
Services.Operations.JobState.Running => "进行中",
|
||
Services.Operations.JobState.Paused => "已暂停",
|
||
Services.Operations.JobState.Completed => "已完成",
|
||
Services.Operations.JobState.CompletedWithErrors => "已完成（部分出错）",
|
||
Services.Operations.JobState.Cancelled => "已取消",
|
||
Services.Operations.JobState.Failed => "失败",
|
||
_ => state.ToString()
|
||
}
|
||
: string.Empty;
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> throw new NotSupportedException();
|
||
}
|
||
|
||
/// <summary>作业 → 进度明细文案：条目数 / 体积 / 速度 / 剩余时间。</summary>
|
||
public sealed class JobProgressTextConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
{
|
||
if (value is not Services.Operations.FileOperationJob job) return string.Empty;
|
||
var parts = new List<string> { $"{job.CompletedItems:N0} / {job.TotalItems:N0} 个项目" };
|
||
if (job.TotalBytes > 0)
|
||
parts.Add($"{Models.FileEntry.FormatSize(job.CompletedBytes)} / {Models.FileEntry.FormatSize(job.TotalBytes)}");
|
||
if (job.BytesPerSecond > 1) parts.Add($"{Models.FileEntry.FormatSize((long)job.BytesPerSecond)}/s");
|
||
if (job.Eta is { } eta && eta.TotalSeconds > 1 && eta.TotalHours < 24)
|
||
parts.Add($"剩余 {eta:mm\\:ss}");
|
||
if (!string.IsNullOrEmpty(job.Error)) parts.Add(job.Error!);
|
||
return string.Join(" · ", parts);
|
||
}
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> throw new NotSupportedException();
|
||
}
|
||
|
||
/// <summary>作业 → 暂停/继续按钮图标。</summary>
|
||
public sealed class JobPauseGlyphConverter : IValueConverter
|
||
{
|
||
public object Convert(object value, Type targetType, object parameter, string language)
|
||
=> value is Services.Operations.JobState.Paused ? "\uE768" : "\uE769";
|
||
|
||
public object ConvertBack(object value, Type targetType, object parameter, string language)
|
||
=> throw new NotSupportedException();
|
||
}
|