public override int OnAfterOpenProject(IVsHierarchy hierarchy, int added)
{
// If this is a new project and our project. We use here that it is only our project that will implemnet the "internal" IBuildDependencyOnProjectContainer.
if (added != 0 && hierarchy is IBuildDependencyUpdate)
{
IVsUIHierarchy uiHierarchy = hierarchy as IVsUIHierarchy;
Debug.Assert(uiHierarchy != null, "The ProjectNode should implement IVsUIHierarchy");
// Expand and select project node
IVsUIHierarchyWindow uiWindow = UIHierarchyUtilities.GetUIHierarchyWindow(this.ServiceProvider, HierarchyNode.SolutionExplorer);
if (uiWindow != null)
{
__VSHIERARCHYITEMSTATE state;
uint stateAsInt;
if (uiWindow.GetItemState(uiHierarchy, VSConstants.VSITEMID_ROOT, (uint)__VSHIERARCHYITEMSTATE.HIS_Expanded, out stateAsInt) == VSConstants.S_OK)
{
state = (__VSHIERARCHYITEMSTATE)stateAsInt;
if (state != __VSHIERARCHYITEMSTATE.HIS_Expanded)
{
int hr;
hr = uiWindow.ExpandItem(uiHierarchy, VSConstants.VSITEMID_ROOT, EXPANDFLAGS.EXPF_ExpandParentsToShowItem);
if (ErrorHandler.Failed(hr))
{
Trace.WriteLine("Failed to expand project node");
}
hr = uiWindow.ExpandItem(uiHierarchy, VSConstants.VSITEMID_ROOT, EXPANDFLAGS.EXPF_SelectItem);
if (ErrorHandler.Failed(hr))
{
Trace.WriteLine("Failed to select project node");
}
return(hr);
}
}
}
}
return(VSConstants.S_OK);
}
/// <summary>
/// Renames the file in the hierarchy by removing old node and adding a new node in the hierarchy.
/// </summary>
/// <param name="oldFileName">The old file name.</param>
/// <param name="newFileName">The new file name</param>
/// <param name="newParentId">The new parent id of the item.</param>
/// <returns>The newly added FileNode.</returns>
/// <remarks>While a new node will be used to represent the item, the underlying MSBuild item will be the same and as a result file properties saved in the project file will not be lost.</remarks>
public virtual FileNode RenameFileNode(string oldFileName, string newFileName, uint newParentId)
{
if (string.Compare(oldFileName, newFileName, StringComparison.Ordinal) == 0)
{
// We do not want to rename the same file
return(null);
}
string[] file = new string[1];
file[0] = newFileName;
VSADDRESULT[] result = new VSADDRESULT[1];
Guid emptyGuid = Guid.Empty;
FileNode childAdded = null;
string originalInclude = this.ItemNode.Item.UnevaluatedInclude;
return(Transactional.Try(
// Action
() =>
{
// It's unfortunate that MPF implements rename in terms of AddItemWithSpecific. Since this
// is the case, we have to pass false to prevent AddITemWithSpecific to fire Add events on
// the IVsTrackProjectDocuments2 tracker. Otherwise, clients listening to this event
// (SCCI, for example) will be really confused.
using (this.ProjectMgr.ExtensibilityEventsHelper.SuspendEvents())
{
var currentId = this.ID;
// actual deletion is delayed until all checks are passed
Func <uint> getIdOfExistingItem =
() =>
{
this.OnItemDeleted();
this.Parent.RemoveChild(this);
return currentId;
};
// raises OnItemAdded inside
ErrorHandler.ThrowOnFailure(this.ProjectMgr.AddItemWithSpecific(newParentId, VSADDITEMOPERATION.VSADDITEMOP_OPENFILE, null, 0, file, IntPtr.Zero, 0, ref emptyGuid, null, ref emptyGuid, result, false, getIdOfExistingItem));
childAdded = this.ProjectMgr.FindChild(newFileName) as FileNode;
Debug.Assert(childAdded != null, "Could not find the renamed item in the hierarchy");
}
},
// Compensation
() =>
{
// it failed, but 'this' is dead and 'childAdded' is here to stay, so fix the latter back
using (this.ProjectMgr.ExtensibilityEventsHelper.SuspendEvents())
{
childAdded.ItemNode.Rename(originalInclude);
childAdded.ItemNode.RefreshProperties();
}
},
// Continuation
() =>
{
// Since this node has been removed all of its state is zombied at this point
// Do not call virtual methods after this point since the object is in a deleted state.
// Remove the item created by the add item. We need to do this otherwise we will have two items.
// Please be aware that we have not removed the ItemNode associated to the removed file node from the hierrachy.
// What we want to achieve here is to reuse the existing build item.
// We want to link to the newly created node to the existing item node and addd the new include.
//temporarily keep properties from new itemnode since we are going to overwrite it
string newInclude = childAdded.ItemNode.Item.UnevaluatedInclude;
string dependentOf = childAdded.ItemNode.GetMetadata(ProjectFileConstants.DependentUpon);
childAdded.ItemNode.RemoveFromProjectFile();
// Assign existing msbuild item to the new childnode
childAdded.ItemNode = this.ItemNode;
childAdded.ItemNode.Item.ItemType = this.ItemNode.ItemName;
childAdded.ItemNode.Item.Xml.Include = newInclude;
if (!string.IsNullOrEmpty(dependentOf))
{
childAdded.ItemNode.SetMetadata(ProjectFileConstants.DependentUpon, dependentOf);
}
childAdded.ItemNode.RefreshProperties();
// Extensibilty events has rename
this.ProjectMgr.ExtensibilityEventsHelper.FireItemRenamed(childAdded, Path.GetFileName(originalInclude));
//Update the new document in the RDT.
try
{
DocumentManager.RenameDocument(this.ProjectMgr.Site, oldFileName, newFileName, childAdded.ID);
// The current automation node is renamed, but the hierarchy ID is now pointing to the old item, which
// is invalid. Update it.
this.ID = childAdded.ID;
//Update FirstChild
childAdded.FirstChild = this.FirstChild;
//Update ChildNodes
SetNewParentOnChildNodes(childAdded);
RenameChildNodes(childAdded);
return childAdded;
}
finally
{
//Select the new node in the hierarchy
IVsUIHierarchyWindow uiWindow = UIHierarchyUtilities.GetUIHierarchyWindow(this.ProjectMgr.Site, SolutionExplorer);
uiWindow.ExpandItem(this.ProjectMgr.InteropSafeIVsUIHierarchy, childAdded.ID, EXPANDFLAGS.EXPF_SelectItem);
}
}));
}
