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489 lines
17 KiB
489 lines
17 KiB
using DownKyi.Core.BiliApi.BiliUtils;
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using DownKyi.Core.FileName;
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using DownKyi.Core.Settings;
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using DownKyi.Events;
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using DownKyi.Models;
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using DownKyi.Utils;
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using Prism.Commands;
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using Prism.Events;
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using Prism.Regions;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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namespace DownKyi.ViewModels.Settings
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{
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public class ViewVideoViewModel : BaseViewModel
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{
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public const string Tag = "PageSettingsVideo";
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private bool isOnNavigatedTo;
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#region 页面属性申明
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private List<string> videoCodecs;
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public List<string> VideoCodecs
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{
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get => videoCodecs;
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set => SetProperty(ref videoCodecs, value);
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}
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private string selectedVideoCodec;
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public string SelectedVideoCodec
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{
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get => selectedVideoCodec;
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set => SetProperty(ref selectedVideoCodec, value);
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}
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private List<Quality> videoQualityList;
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public List<Quality> VideoQualityList
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{
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get => videoQualityList;
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set => SetProperty(ref videoQualityList, value);
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}
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private Quality selectedVideoQuality;
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public Quality SelectedVideoQuality
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{
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get => selectedVideoQuality;
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set => SetProperty(ref selectedVideoQuality, value);
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}
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private List<Quality> audioQualityList;
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public List<Quality> AudioQualityList
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{
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get => audioQualityList;
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set => SetProperty(ref audioQualityList, value);
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}
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private Quality selectedAudioQuality;
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public Quality SelectedAudioQuality
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{
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get => selectedAudioQuality;
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set => SetProperty(ref selectedAudioQuality, value);
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}
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private bool isTranscodingFlvToMp4;
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public bool IsTranscodingFlvToMp4
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{
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get => isTranscodingFlvToMp4;
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set => SetProperty(ref isTranscodingFlvToMp4, value);
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}
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private bool isUseDefaultDirectory;
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public bool IsUseDefaultDirectory
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{
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get => isUseDefaultDirectory;
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set => SetProperty(ref isUseDefaultDirectory, value);
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}
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private string saveVideoDirectory;
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public string SaveVideoDirectory
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{
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get => saveVideoDirectory;
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set => SetProperty(ref saveVideoDirectory, value);
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}
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private ObservableCollection<DisplayFileNamePart> selectedFileName;
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public ObservableCollection<DisplayFileNamePart> SelectedFileName
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{
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get => selectedFileName;
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set => SetProperty(ref selectedFileName, value);
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}
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private ObservableCollection<DisplayFileNamePart> optionalFields;
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public ObservableCollection<DisplayFileNamePart> OptionalFields
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{
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get => optionalFields;
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set => SetProperty(ref optionalFields, value);
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}
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private int selectedOptionalField;
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public int SelectedOptionalField
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{
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get => selectedOptionalField;
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set => SetProperty(ref selectedOptionalField, value);
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}
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#endregion
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public ViewVideoViewModel(IEventAggregator eventAggregator) : base(eventAggregator)
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{
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#region 属性初始化
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// 优先下载的视频编码
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VideoCodecs = new List<string>
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{
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"H.264/AVC",
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"H.265/HEVC",
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};
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// 优先下载画质
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VideoQualityList = Constant.GetResolutions();
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// 优先下载音质
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AudioQualityList = Constant.GetAudioQualities();
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// 文件命名格式
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SelectedFileName = new ObservableCollection<DisplayFileNamePart>();
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OptionalFields = new ObservableCollection<DisplayFileNamePart>();
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foreach (FileNamePart item in Enum.GetValues(typeof(FileNamePart)))
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{
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string display = DisplayFileNamePart(item);
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OptionalFields.Add(new DisplayFileNamePart { Id = item, Title = display });
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}
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SelectedOptionalField = -1;
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#endregion
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}
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/// <summary>
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/// 导航到VideoDetail页面时执行
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/// </summary>
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/// <param name="navigationContext"></param>
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public override void OnNavigatedTo(NavigationContext navigationContext)
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{
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base.OnNavigatedTo(navigationContext);
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isOnNavigatedTo = true;
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// 优先下载的视频编码
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VideoCodecs videoCodecs = SettingsManager.GetInstance().GetVideoCodecs();
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SelectedVideoCodec = GetVideoCodecsString(videoCodecs);
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// 优先下载画质
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int quality = SettingsManager.GetInstance().GetQuality();
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SelectedVideoQuality = VideoQualityList.FirstOrDefault(t => { return t.Id == quality; });
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// 优先下载音质
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int audioQuality = SettingsManager.GetInstance().GetAudioQuality();
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SelectedAudioQuality = AudioQualityList.FirstOrDefault(t => { return t.Id == audioQuality; });
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// 是否下载flv视频后转码为mp4
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AllowStatus isTranscodingFlvToMp4 = SettingsManager.GetInstance().IsTranscodingFlvToMp4();
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IsTranscodingFlvToMp4 = isTranscodingFlvToMp4 == AllowStatus.YES;
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// 是否使用默认下载目录
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AllowStatus isUseSaveVideoRootPath = SettingsManager.GetInstance().IsUseSaveVideoRootPath();
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IsUseDefaultDirectory = isUseSaveVideoRootPath == AllowStatus.YES;
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// 默认下载目录
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SaveVideoDirectory = SettingsManager.GetInstance().GetSaveVideoRootPath();
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// 文件命名格式
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List<FileNamePart> fileNameParts = SettingsManager.GetInstance().GetFileNameParts();
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SelectedFileName.Clear();
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foreach (FileNamePart item in fileNameParts)
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{
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string display = DisplayFileNamePart(item);
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SelectedFileName.Add(new DisplayFileNamePart { Id = item, Title = display });
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}
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isOnNavigatedTo = false;
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}
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#region 命令申明
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// 优先下载的视频编码事件
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private DelegateCommand<string> videoCodecsCommand;
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public DelegateCommand<string> VideoCodecsCommand => videoCodecsCommand ?? (videoCodecsCommand = new DelegateCommand<string>(ExecuteVideoCodecsCommand));
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/// <summary>
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/// 优先下载的视频编码事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteVideoCodecsCommand(string parameter)
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{
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VideoCodecs videoCodecs = GetVideoCodecs(parameter);
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bool isSucceed = SettingsManager.GetInstance().SetVideoCodecs(videoCodecs);
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PublishTip(isSucceed);
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}
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// 优先下载画质事件
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private DelegateCommand<object> videoQualityCommand;
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public DelegateCommand<object> VideoQualityCommand => videoQualityCommand ?? (videoQualityCommand = new DelegateCommand<object>(ExecuteVideoQualityCommand));
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/// <summary>
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/// 优先下载画质事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteVideoQualityCommand(object parameter)
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{
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if (!(parameter is Quality resolution)) { return; }
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bool isSucceed = SettingsManager.GetInstance().SetQuality(resolution.Id);
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PublishTip(isSucceed);
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}
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// 优先下载音质事件
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private DelegateCommand<object> audioQualityCommand;
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public DelegateCommand<object> AudioQualityCommand => audioQualityCommand ?? (audioQualityCommand = new DelegateCommand<object>(ExecuteAudioQualityCommand));
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/// <summary>
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/// 优先下载音质事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteAudioQualityCommand(object parameter)
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{
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if (!(parameter is Quality quality)) { return; }
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bool isSucceed = SettingsManager.GetInstance().SetAudioQuality(quality.Id);
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PublishTip(isSucceed);
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}
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// 是否下载flv视频后转码为mp4事件
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private DelegateCommand isTranscodingFlvToMp4Command;
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public DelegateCommand IsTranscodingFlvToMp4Command => isTranscodingFlvToMp4Command ?? (isTranscodingFlvToMp4Command = new DelegateCommand(ExecuteIsTranscodingFlvToMp4Command));
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/// <summary>
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/// 是否下载flv视频后转码为mp4事件
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/// </summary>
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private void ExecuteIsTranscodingFlvToMp4Command()
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{
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AllowStatus isTranscodingFlvToMp4 = IsTranscodingFlvToMp4 ? AllowStatus.YES : AllowStatus.NO;
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bool isSucceed = SettingsManager.GetInstance().IsTranscodingFlvToMp4(isTranscodingFlvToMp4);
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PublishTip(isSucceed);
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}
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// 是否使用默认下载目录事件
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private DelegateCommand isUseDefaultDirectoryCommand;
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public DelegateCommand IsUseDefaultDirectoryCommand => isUseDefaultDirectoryCommand ?? (isUseDefaultDirectoryCommand = new DelegateCommand(ExecuteIsUseDefaultDirectoryCommand));
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/// <summary>
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/// 是否使用默认下载目录事件
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/// </summary>
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private void ExecuteIsUseDefaultDirectoryCommand()
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{
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AllowStatus isUseDefaultDirectory = IsUseDefaultDirectory ? AllowStatus.YES : AllowStatus.NO;
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bool isSucceed = SettingsManager.GetInstance().IsUseSaveVideoRootPath(isUseDefaultDirectory);
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PublishTip(isSucceed);
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}
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// 修改默认下载目录事件
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private DelegateCommand changeSaveVideoDirectoryCommand;
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public DelegateCommand ChangeSaveVideoDirectoryCommand => changeSaveVideoDirectoryCommand ?? (changeSaveVideoDirectoryCommand = new DelegateCommand(ExecuteChangeSaveVideoDirectoryCommand));
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/// <summary>
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/// 修改默认下载目录事件
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/// </summary>
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private void ExecuteChangeSaveVideoDirectoryCommand()
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{
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string directory = DialogUtils.SetDownloadDirectory();
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if (directory == "") { return; }
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bool isSucceed = SettingsManager.GetInstance().SetSaveVideoRootPath(directory);
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PublishTip(isSucceed);
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if (isSucceed)
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{
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SaveVideoDirectory = directory;
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}
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}
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// 选中文件名字段点击事件
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private DelegateCommand<object> selectedFileNameCommand;
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public DelegateCommand<object> SelectedFileNameCommand => selectedFileNameCommand ?? (selectedFileNameCommand = new DelegateCommand<object>(ExecuteSelectedFileNameCommand));
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/// <summary>
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/// 选中文件名字段点击事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteSelectedFileNameCommand(object parameter)
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{
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bool isSucceed = SelectedFileName.Remove((DisplayFileNamePart)parameter);
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if (!isSucceed)
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{
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PublishTip(isSucceed);
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return;
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}
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List<FileNamePart> fileName = new List<FileNamePart>();
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foreach (DisplayFileNamePart item in SelectedFileName)
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{
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fileName.Add(item.Id);
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}
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isSucceed = SettingsManager.GetInstance().SetFileNameParts(fileName);
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PublishTip(isSucceed);
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}
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// 可选文件名字段点击事件
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private DelegateCommand<object> optionalFieldsCommand;
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public DelegateCommand<object> OptionalFieldsCommand => optionalFieldsCommand ?? (optionalFieldsCommand = new DelegateCommand<object>(ExecuteOptionalFieldsCommand));
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/// <summary>
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/// 可选文件名字段点击事件
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/// </summary>
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/// <param name="parameter"></param>
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private void ExecuteOptionalFieldsCommand(object parameter)
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{
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if (SelectedOptionalField == -1)
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{
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return;
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}
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SelectedFileName.Add((DisplayFileNamePart)parameter);
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List<FileNamePart> fileName = new List<FileNamePart>();
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foreach (DisplayFileNamePart item in SelectedFileName)
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{
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fileName.Add(item.Id);
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}
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bool isSucceed = SettingsManager.GetInstance().SetFileNameParts(fileName);
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PublishTip(isSucceed);
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SelectedOptionalField = -1;
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}
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// 重置选中文件名字段
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private DelegateCommand resetCommand;
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public DelegateCommand ResetCommand => resetCommand ?? (resetCommand = new DelegateCommand(ExecuteResetCommand));
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/// <summary>
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/// 重置选中文件名字段
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/// </summary>
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private void ExecuteResetCommand()
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{
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bool isSucceed = SettingsManager.GetInstance().SetFileNameParts(null);
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PublishTip(isSucceed);
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List<FileNamePart> fileNameParts = SettingsManager.GetInstance().GetFileNameParts();
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SelectedFileName.Clear();
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foreach (FileNamePart item in fileNameParts)
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{
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string display = DisplayFileNamePart(item);
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SelectedFileName.Add(new DisplayFileNamePart { Id = item, Title = display });
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}
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}
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#endregion
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/// <summary>
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/// 返回VideoCodecs的字符串
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/// </summary>
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/// <param name="videoCodecs"></param>
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/// <returns></returns>
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private string GetVideoCodecsString(VideoCodecs videoCodecs)
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{
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string codec;
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switch (videoCodecs)
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{
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case Core.Settings.VideoCodecs.NONE:
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codec = "";
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break;
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case Core.Settings.VideoCodecs.AVC:
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codec = "H.264/AVC";
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break;
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case Core.Settings.VideoCodecs.HEVC:
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codec = "H.265/HEVC";
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break;
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default:
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codec = "";
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break;
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}
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return codec;
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}
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/// <summary>
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/// 返回VideoCodecs
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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private VideoCodecs GetVideoCodecs(string str)
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{
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VideoCodecs videoCodecs;
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switch (str)
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{
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case "H.264/AVC":
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videoCodecs = Core.Settings.VideoCodecs.AVC;
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break;
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case "H.265/HEVC":
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videoCodecs = Core.Settings.VideoCodecs.HEVC;
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break;
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default:
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videoCodecs = Core.Settings.VideoCodecs.NONE;
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break;
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}
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return videoCodecs;
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}
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/// <summary>
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/// 发送需要显示的tip
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/// </summary>
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/// <param name="isSucceed"></param>
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private void PublishTip(bool isSucceed)
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{
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if (isOnNavigatedTo) { return; }
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if (isSucceed)
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{
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eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipSettingUpdated"));
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}
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else
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{
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eventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipSettingFailed"));
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}
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}
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/// <summary>
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/// 文件名字段显示
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/// </summary>
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/// <param name="item"></param>
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/// <returns></returns>
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private string DisplayFileNamePart(FileNamePart item)
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{
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string display = string.Empty;
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switch (item)
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{
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case FileNamePart.ORDER:
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display = DictionaryResource.GetString("DisplayOrder");
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break;
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case FileNamePart.SECTION:
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display = DictionaryResource.GetString("DisplaySection");
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break;
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case FileNamePart.MAIN_TITLE:
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display = DictionaryResource.GetString("DisplayMainTitle");
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break;
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case FileNamePart.PAGE_TITLE:
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display = DictionaryResource.GetString("DisplayPageTitle");
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break;
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case FileNamePart.VIDEO_ZONE:
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display = DictionaryResource.GetString("DisplayVideoZone");
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break;
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case FileNamePart.AUDIO_QUALITY:
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display = DictionaryResource.GetString("DisplayAudioQuality");
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break;
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case FileNamePart.VIDEO_QUALITY:
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display = DictionaryResource.GetString("DisplayVideoQuality");
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break;
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case FileNamePart.VIDEO_CODEC:
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display = DictionaryResource.GetString("DisplayVideoCodec");
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break;
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}
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if (((int)item) >= 100)
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{
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display = HyphenSeparated.Hyphen[(int)item];
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}
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if (display == " ")
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{
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display = DictionaryResource.GetString("DisplaySpace");
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}
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return display;
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}
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}
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}
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