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Use SourceCache, set SelectedItem and scroll to it

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This commit is contained in:
Ádám Kovács
2022-05-25 08:52:07 +02:00
parent d94d198344
commit 06f79ddfa9
14 changed files with 112 additions and 53 deletions
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16
src/GuiApp/Avalonia/FileTime.GuiApp/Services/RootDriveInfoService.cs
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@@ -15,14 +15,15 @@ namespace FileTime.GuiApp.Services;
public class RootDriveInfoService : IStartupHandler
{
private readonly SourceList<DriveInfo> _rootDrives = new();
private readonly IObservable<IChangeSet<AbsolutePath>> _localContentProviderStream;
private readonly IObservable<IChangeSet<AbsolutePath, string>> _localContentProviderStream;
public RootDriveInfoService(IGuiAppState guiAppState, ILocalContentProvider localContentProvider, ITimelessContentProvider timelessContentProvider)
public RootDriveInfoService(IGuiAppState guiAppState, ILocalContentProvider localContentProvider,
ITimelessContentProvider timelessContentProvider)
{
InitRootDrives();
var localContentProviderAsList = new SourceList<AbsolutePath>();
localContentProviderAsList.Add(new AbsolutePath(timelessContentProvider, localContentProvider));
var localContentProviderAsList = new SourceCache<AbsolutePath, string>(i => i.Path.Path);
localContentProviderAsList.AddOrUpdate(new AbsolutePath(timelessContentProvider, localContentProvider));
_localContentProviderStream = localContentProviderAsList.Connect();
var rootDriveInfos = Observable.CombineLatest(
@@ -31,7 +32,7 @@ public class RootDriveInfoService : IStartupHandler
(items, drives) =>
{
return items is null
? Observable.Empty<IChangeSet<(AbsolutePath Path, DriveInfo? Drive)>>()
? Observable.Empty<IChangeSet<(AbsolutePath Path, DriveInfo? Drive), string>>()
: items!
.Or(new[] { _localContentProviderStream })
.Transform(i => (Path: i, Drive: drives.FirstOrDefault(d =>
@@ -39,7 +40,8 @@ public class RootDriveInfoService : IStartupHandler
var containerPath = localContentProvider.GetNativePath(i.Path).Path;
var drivePath = d.Name.TrimEnd(Path.DirectorySeparatorChar);
return containerPath == drivePath
|| (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) && containerPath == "/" && d.Name == "/");
|| (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) && containerPath == "/" &&
d.Name == "/");
})))
.Filter(t => t.Drive is not null);
}
@@ -51,7 +53,7 @@ public class RootDriveInfoService : IStartupHandler
.Transform(t => new RootDriveInfo(t.Drive, t.Container))
.Sort(SortExpressionComparer<RootDriveInfo>.Ascending(d => d.Name));
guiAppState.RootDriveInfos = new BindedCollection<RootDriveInfo>(rootDriveInfos);
guiAppState.RootDriveInfos = new BindedCollection<RootDriveInfo, string>(rootDriveInfos);
void InitRootDrives()
{