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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Threading.Tasks;
using Microsoft.Internal.VisualStudio.PlatformUI;
using Microsoft.VisualStudio.Shell;
namespace QtVsTools.Package.MsBuild
{
using Core;
using VisualStudio;
[SolutionTreeFilterProvider(QtMenus.Package.GuidString, QtMenus.Package.LegacyProjectFilter)]
internal class LegacyProjectFilterProvider : HierarchyTreeFilterProvider
{
private readonly IVsHierarchyItemCollectionProvider hierarchyCollectionProvider;
[ImportingConstructor]
public LegacyProjectFilterProvider(IVsHierarchyItemCollectionProvider provider)
{
hierarchyCollectionProvider = provider;
}
protected override HierarchyTreeFilter CreateFilter()
{
return new Filter(hierarchyCollectionProvider);
}
private sealed class Filter : HierarchyTreeFilter
{
private readonly IVsHierarchyItemCollectionProvider hierarchyCollectionProvider;
public Filter(IVsHierarchyItemCollectionProvider provider)
{
hierarchyCollectionProvider = provider;
}
protected override async Task<IReadOnlyObservableSet> GetIncludedItemsAsync(
IEnumerable<IVsHierarchyItem> rootItems)
{
var root = HierarchyUtilities.FindCommonAncestor(rootItems);
var sourceItems = await hierarchyCollectionProvider.GetDescendantsAsync(
root.HierarchyIdentity.NestedHierarchy, CancellationToken);
return await hierarchyCollectionProvider.GetFilteredHierarchyItemsAsync(
sourceItems, ShouldIncludeInFilter, CancellationToken);
}
private static bool ShouldIncludeInFilter(IVsHierarchyItem item)
{
if (item?.HierarchyIdentity is not { } identity)
return false;
if (!HierarchyUtilities.IsProject(identity))
return false;
if (VsShell.GetProject(identity.NestedHierarchy) is not { } vcProject)
return false;
return MsBuildProjectFormat.GetVersion(vcProject) is
>= MsBuildProjectFormat.Version.V1 and < MsBuildProjectFormat.Version.Latest;
}
}
}
}
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