Shuffle system
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419
Views/Shuffle.xaml.cs
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419
Views/Shuffle.xaml.cs
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Interop;
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using System.Windows.Media;
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using System.Windows.Input;
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using System.Windows.Threading;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using MpcNET.Commands.Database;
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using MpcNET.Tags;
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using MpcNET.Types;
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using MpcNET.Types.Filters;
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namespace unison
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{
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public partial class Shuffle : Window
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{
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private readonly MPDHandler _mpd;
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private readonly ShuffleHandler _shuffle;
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List<string> GenreList { get; }
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List<string> FolderList { get; }
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List<IFilter> Filters { get; }
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bool _continuous = false;
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public Shuffle()
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{
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InitializeComponent();
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GenreList = new();
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FolderList = new();
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Filters = new();
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SongFilterNumber.Text = "0";
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_mpd = (MPDHandler)Application.Current.Properties["mpd"];
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_shuffle = (ShuffleHandler)Application.Current.Properties["shuffle"];
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}
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public void Initialize()
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{
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ListGenre(_mpd._cancelCommand.Token);
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ListFolder(_mpd._cancelCommand.Token);
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}
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public async void ListGenre(CancellationToken token)
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{
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if (GenreList.Count != 0)
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return;
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if (token.IsCancellationRequested)
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return;
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List<string> Response = await _mpd.SafelySendCommandAsync(new ListCommand(MpdTags.Genre, null, null));
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if (Response == null)
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return;
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foreach (string genre in Response)
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GenreList.Add(genre);
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}
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public async void ListFolder(CancellationToken token)
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{
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if (FolderList.Count != 0)
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return;
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if (token.IsCancellationRequested)
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return;
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IEnumerable<IMpdFilePath> Response = await _mpd.SafelySendCommandAsync(new LsInfoCommand(""));
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if (Response == null)
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return;
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foreach (IMpdFilePath folder in Response)
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FolderList.Add(folder.Name);
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}
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private bool IsFilterEmpty()
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{
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if (Filters.Count() == 0)
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return true;
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return false;
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}
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private T FindParent<T>(DependencyObject child) where T : DependencyObject
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{
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var parent = VisualTreeHelper.GetParent(child);
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if (parent == null)
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return null;
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if (parent is T)
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return parent as T;
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else
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return FindParent<T>(parent);
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}
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private void AddFilter_Clicked(object sender, RoutedEventArgs e)
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{
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FilterPanel.Children.Add(new ContentPresenter { ContentTemplate = (DataTemplate)FindResource("FilterPanel") });
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SongFilterNumber.Text = "0";
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}
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private void RemoveFilter_Clicked(object sender, RoutedEventArgs e)
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{
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if (FilterPanel.Children.Count > 1)
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FilterPanel.Children.Remove(FindParent<ContentPresenter>(sender as Button));
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else
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Reset_Clicked(null, null);
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SongFilterNumber.Text = "0";
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}
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private void Reset_Clicked(object sender, RoutedEventArgs e)
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{
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FilterPanel.Children.RemoveRange(0, FilterPanel.Children.Count);
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FilterPanel.Children.Add(new ContentPresenter { ContentTemplate = (DataTemplate)FindResource("FilterPanel") });
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SongFilterNumber.Text = "0";
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_shuffle.SongList.Clear();
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}
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private ITag FilterEquivalence_Type(string value)
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{
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if (value == "Song")
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return MpdTags.Title;
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else if (value == "Artist")
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return MpdTags.Artist;
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else if (value == "Album")
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return MpdTags.Album;
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else if (value == "Year")
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return MpdTags.Date;
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else if (value == "Genre")
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return MpdTags.Genre;
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return MpdTags.Title;
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}
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private FilterOperator FilterEquivalence_Operator(string value)
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{
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if (value == "contains")
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return FilterOperator.Contains;
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else if (value == "is")
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return FilterOperator.Equal;
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else if (value == "is not")
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return FilterOperator.Different;
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return FilterOperator.Equal;
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}
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private void FilterType_Change(object sender, string Operator, List<string> Listing)
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{
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ComboBox comboBox = sender as ComboBox;
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StackPanel stackPanel = comboBox.Parent as StackPanel;
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foreach (ComboBox child in stackPanel.Children.OfType<ComboBox>())
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{
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if (child.Name == "FilterOperator")
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{
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child.ItemsSource = (Array)FindResource(Operator);
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child.SelectedItem = child.Items[0];
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}
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if (child.Name == "FilterList")
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{
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child.Visibility = Visibility.Visible;
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child.ItemsSource = Listing;
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child.SelectedItem = child.Items[0];
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}
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}
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foreach (TextBox child in stackPanel.Children.OfType<TextBox>())
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{
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if (child.Name == "FilterValue")
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child.Visibility = Visibility.Collapsed;
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}
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SongFilterNumber.Text = "0";
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}
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private void FilterType_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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string item = e.AddedItems[0].ToString();
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if (item == "Genre")
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FilterType_Change(sender, "OperatorTypeB", GenreList);
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else if (item == "Directory")
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FilterType_Change(sender, "OperatorTypeC", FolderList);
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else
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{
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ComboBox combobox = sender as ComboBox;
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StackPanel stackpanel = combobox.Parent as StackPanel;
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foreach (ComboBox child in stackpanel.Children.OfType<ComboBox>())
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{
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if (child.Name == "FilterOperator")
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{
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child.ItemsSource = (Array)FindResource("OperatorTypeA");
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child.SelectedItem = child.Items[0];
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}
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if (child.Name == "FilterList")
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child.Visibility = Visibility.Collapsed;
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}
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foreach (TextBox child in stackpanel.Children.OfType<TextBox>())
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{
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if (child.Name == "FilterValue")
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child.Visibility = Visibility.Visible;
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}
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}
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SongFilterNumber.Text = "0";
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}
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private void OperatorType_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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SongFilterNumber.Text = "0";
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}
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private async void UpdateFilter_Clicked(object sender, RoutedEventArgs e)
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{
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QueryFilterText.Visibility = Visibility.Visible;
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await UpdateFilter();
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TimedText(QueryFilterText, 1);
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}
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private void TimedText(TextBlock textBlock, int time)
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{
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DispatcherTimer Timer = new DispatcherTimer();
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Timer.Interval = TimeSpan.FromSeconds(time);
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Timer.Tick += (sender, args) =>
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{
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Timer.Stop();
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textBlock.Visibility = Visibility.Collapsed;
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};
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Timer.Start();
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}
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private async Task UpdateFilter()
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{
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Filters.Clear();
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foreach (ContentPresenter superChild in FilterPanel.Children)
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{
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ITag tag = MpdTags.Title;
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FilterOperator op = FilterOperator.None;
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string value = "";
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bool isDir = false;
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StackPanel stackPanel = VisualTreeHelper.GetChild(superChild, 0) as StackPanel;
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foreach (TextBox child in stackPanel.Children.OfType<TextBox>())
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{
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if (child.Name == "FilterValue")
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value = child.Text;
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}
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foreach (ComboBox child in stackPanel.Children.OfType<ComboBox>())
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{
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if (child.Name == "FilterType")
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{
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if (child.SelectedItem.ToString() == "Directory")
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isDir = true;
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else
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tag = FilterEquivalence_Type(child.SelectedItem.ToString());
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}
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if (child.Name == "FilterOperator")
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op = FilterEquivalence_Operator(child.SelectedItem.ToString());
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if (child.Name == "FilterList" && child.Visibility == Visibility.Visible)
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value = child.SelectedItem.ToString();
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}
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if (value != "")
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{
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if (!isDir)
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Filters.Add(new FilterTag(tag, value, op));
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else
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Filters.Add(new FilterBase(value, FilterOperator.None));
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await Task.Run(async () =>
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{
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await _shuffle.GetSongsFromFilter(Filters, _mpd._cancelCommand.Token);
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});
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SongFilterPanel.Visibility = Visibility.Visible;
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SongFilterNumber.Text = _shuffle.SongList.Count.ToString();
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}
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}
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}
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private void QueryFilterHandler(object sender, KeyEventArgs e)
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{
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if (e.Key == Key.Return)
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UpdateFilter_Clicked(null, null);
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}
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private void QueueValidationTextBox(object sender, TextCompositionEventArgs e)
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{
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Regex regex = new Regex("[^0-9]+");
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e.Handled = regex.IsMatch(e.Text);
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}
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private void QueueValidationNumber()
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{
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int Number;
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try
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{
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Number = int.Parse(SongNumber.Text);
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}
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catch (Exception)
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{
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return;
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}
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if (Number < 1)
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SongNumber.Text = "1";
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if (IsFilterEmpty())
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{
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if (Number > 100)
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SongNumber.Text = "100";
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}
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else
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{
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if (Number > 1000)
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SongNumber.Text = "1000";
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}
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}
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private async void AddToQueue()
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{
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if (_mpd.GetStats() == null)
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return;
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await UpdateFilter();
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QueueValidationNumber();
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// TODO
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// Added => Adding songs...
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// to
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// Added X songs! (display for 5 seconds)
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NumberAddedSongs.Text = SongNumber.Text;
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SearchStatus.Visibility = Visibility.Visible;
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int Num = int.Parse(SongNumber.Text);
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await AddToQueue_Internal(Num);
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TimedText(SearchStatus, 2);
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}
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private async Task AddToQueue_Internal(int Num)
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{
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if (IsFilterEmpty())
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{
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await Task.Run(async () =>
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{
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await _shuffle.AddToQueueRandom(Num, _mpd._cancelCommand.Token);
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});
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}
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else
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{
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await Task.Run(async () =>
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{
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await _shuffle.AddToQueueFilter(Num, _mpd._cancelCommand.Token);
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});
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}
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}
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private void AddToQueueHandler(object sender, KeyEventArgs e)
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{
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if (e.Key == Key.Return)
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AddToQueue();
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}
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private void AddToQueue_Clicked(object sender, RoutedEventArgs e)
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{
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AddToQueue();
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}
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public bool GetContinuous()
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{
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return _continuous;
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}
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public async Task HandleContinuous()
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{
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if (!_continuous)
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return;
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int PlaylistLength = _mpd.GetStatus().PlaylistLength;
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int Num = 10 - PlaylistLength;
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if (Num < 1)
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return;
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await UpdateFilter();
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await AddToQueue_Internal(Num);
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}
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private async void ContinuousShuffle_Checked(object sender, RoutedEventArgs e)
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{
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if (ContinuousShuffle.IsChecked == true)
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_continuous = true;
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else
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_continuous = false;
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if (_mpd.GetStatus().PlaylistLength < 10)
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await HandleContinuous();
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}
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private void Window_Closing(object sender, CancelEventArgs e)
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{
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e.Cancel = true;
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WindowState = WindowState.Minimized;
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Hide();
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}
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public void InitHwnd()
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{
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WindowInteropHelper helper = new(this);
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helper.EnsureHandle();
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}
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}
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}
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