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+using Gtk;
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+using LibHac;
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+using LibHac.Common;
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+using LibHac.FsSystem.NcaUtils;
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+using LibHac.Fs;
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+using LibHac.FsSystem;
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+using Ryujinx.Common.Configuration;
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+using Ryujinx.Common.Logging;
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+using Ryujinx.HLE.FileSystem;
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+using System;
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+using System.Collections.Generic;
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+using System.IO;
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+using System.Text;
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+
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+using GUI = Gtk.Builder.ObjectAttribute;
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+using JsonHelper = Ryujinx.Common.Utilities.JsonHelper;
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+
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+namespace Ryujinx.Ui
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+{
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+ public class DlcWindow : Window
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+ {
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+ private readonly VirtualFileSystem _virtualFileSystem;
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+ private readonly string _titleId;
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+ private readonly string _dlcJsonPath;
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+ private readonly List<DlcContainer> _dlcContainerList;
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+
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+#pragma warning disable CS0649, IDE0044
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+ [GUI] Label _baseTitleInfoLabel;
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+ [GUI] TreeView _dlcTreeView;
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+ [GUI] TreeSelection _dlcTreeSelection;
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+#pragma warning restore CS0649, IDE0044
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+
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+ public DlcWindow(string titleId, string titleName, VirtualFileSystem virtualFileSystem) : this(new Builder("Ryujinx.Ui.DlcWindow.glade"), titleId, titleName, virtualFileSystem) { }
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+
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+ private DlcWindow(Builder builder, string titleId, string titleName, VirtualFileSystem virtualFileSystem) : base(builder.GetObject("_dlcWindow").Handle)
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+ {
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+ builder.Autoconnect(this);
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+
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+ _titleId = titleId;
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+ _virtualFileSystem = virtualFileSystem;
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+ _dlcJsonPath = System.IO.Path.Combine(virtualFileSystem.GetBasePath(), "games", _titleId, "dlc.json");
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+ _baseTitleInfoLabel.Text = $"DLC Available for {titleName} [{titleId.ToUpper()}]";
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+
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+ try
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+ {
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+ _dlcContainerList = JsonHelper.DeserializeFromFile<List<DlcContainer>>(_dlcJsonPath);
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+ }
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+ catch
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+ {
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+ _dlcContainerList = new List<DlcContainer>();
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+ }
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+
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+ _dlcTreeView.Model = new TreeStore(
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+ typeof(bool),
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+ typeof(string),
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+ typeof(string));
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+
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+ CellRendererToggle enableToggle = new CellRendererToggle();
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+ enableToggle.Toggled += (sender, args) =>
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+ {
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+ _dlcTreeView.Model.GetIter(out TreeIter treeIter, new TreePath(args.Path));
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+ bool newValue = !(bool)_dlcTreeView.Model.GetValue(treeIter, 0);
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+ _dlcTreeView.Model.SetValue(treeIter, 0, newValue);
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+
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+ if (_dlcTreeView.Model.IterChildren(out TreeIter childIter, treeIter))
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+ {
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+ do
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+ {
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+ _dlcTreeView.Model.SetValue(childIter, 0, newValue);
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+ }
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+ while (_dlcTreeView.Model.IterNext(ref childIter));
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+ }
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+ };
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+
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+ _dlcTreeView.AppendColumn("Enabled", enableToggle, "active", 0);
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+ _dlcTreeView.AppendColumn("TitleId", new CellRendererText(), "text", 1);
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+ _dlcTreeView.AppendColumn("Path", new CellRendererText(), "text", 2);
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+
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+ foreach (DlcContainer dlcContainer in _dlcContainerList)
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+ {
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+ TreeIter parentIter = ((TreeStore)_dlcTreeView.Model).AppendValues(false, "", dlcContainer.Path);
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+
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+ using FileStream containerFile = File.OpenRead(dlcContainer.Path);
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+ PartitionFileSystem pfs = new PartitionFileSystem(containerFile.AsStorage());
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+ _virtualFileSystem.ImportTickets(pfs);
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+
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+ foreach (DlcNca dlcNca in dlcContainer.DlcNcaList)
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+ {
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+ pfs.OpenFile(out IFile ncaFile, dlcNca.Path.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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+ Nca nca = TryCreateNca(ncaFile.AsStorage(), dlcContainer.Path);
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+
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+ if (nca != null)
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+ {
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+ ((TreeStore)_dlcTreeView.Model).AppendValues(parentIter, dlcNca.Enabled, nca.Header.TitleId.ToString("X16"), dlcNca.Path);
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+ }
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+ }
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+ }
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+ }
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+
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+ private Nca TryCreateNca(IStorage ncaStorage, string containerPath)
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+ {
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+ try
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+ {
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+ return new Nca(_virtualFileSystem.KeySet, ncaStorage);
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+ }
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+ catch (InvalidDataException exception)
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+ {
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+ Logger.PrintError(LogClass.Application, $"{exception.Message}. Errored File: {containerPath}");
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+
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+ GtkDialog.CreateInfoDialog("Ryujinx - Error", "Add DLC Failed!", "The NCA header content type check has failed. This is usually because the header key is incorrect or missing.");
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+ }
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+ catch (MissingKeyException exception)
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+ {
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+ Logger.PrintError(LogClass.Application, $"Your key set is missing a key with the name: {exception.Name}. Errored File: {containerPath}");
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+
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+ GtkDialog.CreateInfoDialog("Ryujinx - Error", "Add DLC Failed!", $"Your key set is missing a key with the name: {exception.Name}");
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+ }
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+
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+ return null;
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+ }
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+
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+ private void AddButton_Clicked(object sender, EventArgs args)
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+ {
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+ FileChooserDialog fileChooser = new FileChooserDialog("Select DLC files", this, FileChooserAction.Open, "Cancel", ResponseType.Cancel, "Add", ResponseType.Accept)
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+ {
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+ SelectMultiple = true,
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+ Filter = new FileFilter()
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+ };
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+ fileChooser.SetPosition(WindowPosition.Center);
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+ fileChooser.Filter.AddPattern("*.nsp");
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+
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+ if (fileChooser.Run() == (int)ResponseType.Accept)
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+ {
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+ foreach (string containerPath in fileChooser.Filenames)
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+ {
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+ if (!File.Exists(containerPath))
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+ {
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+ return;
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+ }
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+
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+ using (FileStream containerFile = File.OpenRead(containerPath))
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+ {
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+ PartitionFileSystem pfs = new PartitionFileSystem(containerFile.AsStorage());
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+ bool containsDlc = false;
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+
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+ _virtualFileSystem.ImportTickets(pfs);
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+
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+ TreeIter? parentIter = null;
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+
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+ foreach (DirectoryEntryEx fileEntry in pfs.EnumerateEntries("/", "*.nca"))
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+ {
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+ pfs.OpenFile(out IFile ncaFile, fileEntry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
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+
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+ Nca nca = TryCreateNca(ncaFile.AsStorage(), containerPath);
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+
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+ if (nca == null) continue;
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+
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+ if (nca.Header.ContentType == NcaContentType.PublicData)
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+ {
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+ if ((nca.Header.TitleId & 0xFFFFFFFFFFFFE000).ToString("x16") != _titleId)
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+ {
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+ break;
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+ }
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+
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+ parentIter ??= ((TreeStore)_dlcTreeView.Model).AppendValues(true, "", containerPath);
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+
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+ ((TreeStore)_dlcTreeView.Model).AppendValues(parentIter.Value, true, nca.Header.TitleId.ToString("X16"), fileEntry.FullPath);
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+ containsDlc = true;
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+ }
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+ }
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+
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+ if (!containsDlc)
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+ {
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+ GtkDialog.CreateErrorDialog("The specified file does not contain a DLC for the selected title!");
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+ }
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+ }
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+ }
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+ }
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+
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+ fileChooser.Dispose();
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+ }
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+
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+ private void RemoveButton_Clicked(object sender, EventArgs args)
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+ {
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+ if (_dlcTreeSelection.GetSelected(out ITreeModel treeModel, out TreeIter treeIter))
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+ {
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+ if (_dlcTreeView.Model.IterParent(out TreeIter parentIter, treeIter) && _dlcTreeView.Model.IterNChildren(parentIter) <= 1)
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+ {
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+ ((TreeStore)treeModel).Remove(ref parentIter);
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+ }
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+ else
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+ {
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+ ((TreeStore)treeModel).Remove(ref treeIter);
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+ }
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+ }
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+ }
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+
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+ private void SaveButton_Clicked(object sender, EventArgs args)
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+ {
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+ _dlcContainerList.Clear();
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+
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+ if (_dlcTreeView.Model.GetIterFirst(out TreeIter parentIter))
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+ {
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+ do
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+ {
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+ if (_dlcTreeView.Model.IterChildren(out TreeIter childIter, parentIter))
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+ {
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+ DlcContainer dlcContainer = new DlcContainer
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+ {
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+ Path = (string)_dlcTreeView.Model.GetValue(parentIter, 2),
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+ DlcNcaList = new List<DlcNca>()
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+ };
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+
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+ do
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+ {
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+ dlcContainer.DlcNcaList.Add(new DlcNca
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+ {
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+ Enabled = (bool)_dlcTreeView.Model.GetValue(childIter, 0),
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+ TitleId = Convert.ToUInt64(_dlcTreeView.Model.GetValue(childIter, 1).ToString(), 16),
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+ Path = (string)_dlcTreeView.Model.GetValue(childIter, 2)
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+ });
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+ }
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+ while (_dlcTreeView.Model.IterNext(ref childIter));
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+
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+ _dlcContainerList.Add(dlcContainer);
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+ }
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+ }
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+ while (_dlcTreeView.Model.IterNext(ref parentIter));
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+ }
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+
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+ using (FileStream dlcJsonStream = File.Create(_dlcJsonPath, 4096, FileOptions.WriteThrough))
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+ {
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+ dlcJsonStream.Write(Encoding.UTF8.GetBytes(JsonHelper.Serialize(_dlcContainerList, true)));
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+ }
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+
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+ Dispose();
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+ }
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+
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+ private void CancelButton_Clicked(object sender, EventArgs args)
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+ {
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+ Dispose();
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+ }
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+ }
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+}
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