Lazy <ISolutionExplorerNode> GetParent(IVsHierarchyItem hierarchy) => hierarchy.Parent == null ? null : new Lazy <ISolutionExplorerNode>(() => nodeFactory.CreateNode(hierarchy.Parent));
/// <summary> /// Creates a new child node using the node factory received in the constructor. /// </summary> /// <param name="item">The hierarchy node to create the child node for.</param> /// <remarks> /// This method is used for example when the node exposes child node creation APIs, such as /// the <see cref="FolderNode"/>. /// </remarks> protected virtual ISolutionExplorerNode CreateNode(IVsHierarchyItem item) => nodeFactory.CreateNode(item);
/// <summary>
/// Initializes a new instance of the <see cref="SolutionExplorerNode"/> class.
/// </summary>
/// <param name="nodeKind">Kind of the node.</param>
/// <param name="hierarchyItem">The underlying hierarchy represented by this node.</param>
/// <param name="nodeFactory">The factory for child nodes.</param>
/// <param name="adapter">The adapter service that implements the smart cast <see cref="ISolutionExplorerNode.As{T}"/>.</param>
protected SolutionExplorerNode(
SolutionNodeKind nodeKind,
IVsHierarchyItem hierarchyItem,
ISolutionExplorerNodeFactory nodeFactory,
IAdapterService adapter,
JoinableLazy <IVsUIHierarchyWindow> solutionExplorer)
{
Guard.NotNull(nameof(hierarchyItem), hierarchyItem);
Guard.NotNull(nameof(nodeFactory), nodeFactory);
Guard.NotNull(nameof(adapter), adapter);
Guard.NotNull(nameof(solutionExplorer), solutionExplorer);
this.hierarchyItem = hierarchyItem;
this.nodeFactory = nodeFactory;
this.adapter = adapter;
this.solutionExplorer = solutionExplorer;
Kind = nodeKind;
parent = hierarchyItem.Parent == null ? new Lazy <ISolutionExplorerNode>(() => null) : new Lazy <ISolutionExplorerNode>(() => nodeFactory.CreateNode(hierarchyItem.Parent));
name = new Lazy <string>(() => hierarchyItem.GetProperty(VsHierarchyPropID.Name, ""));
Func <bool> getHiddenProperty = () => this.hierarchyItem.GetProperty(VsHierarchyPropID.IsHiddenItem, false);
isHidden = hierarchyItem.Parent != null ?
new Lazy <bool>(() => getHiddenProperty() || parent.Value.IsHidden) :
new Lazy <bool>(() => getHiddenProperty());
solutionNode = new JoinableLazy <ISolutionNode>(() => this.nodeFactory.CreateNode(this.hierarchyItem.GetTopMost()) as ISolutionNode, true);
if (hierarchyItem.HierarchyIdentity.IsNestedItem)
{
hierarchy = hierarchyItem.HierarchyIdentity.NestedHierarchy;
itemId = hierarchyItem.HierarchyIdentity.NestedItemID;
}
else
{
hierarchy = hierarchyItem.HierarchyIdentity.Hierarchy;
itemId = hierarchyItem.HierarchyIdentity.ItemID;
}
}