// fired when a document is about to be shown on screen for various
// reasons
//
public override int OnBeforeDocumentWindowShow(
uint itemCookie, int first, IVsWindowFrame wf)
{
ThreadHelper.ThrowIfNotOnUIThread();
// this may be called any time after the solution is loaded since
// window frames are lazily created when a tab is clicked for the
// first time
if (first == 0)
{
// only handle the first time a document is shown
return(VSConstants.S_OK);
}
Trace(
"OnBeforeDocumentWindowShow: {0}",
VSDocument.DebugWindowFrameName(wf));
var d = VSDocument.DocumentFromWindowFrame(wf);
if (d == null)
{
Error("OnBeforeDocumentWindowShow: frame has no document");
return(VSConstants.S_OK);
}
DocumentOpened?.Invoke(new VSDocument(d, wf));
return(VSConstants.S_OK);
}
// fired when document attributes change, such as renaming, but also
// dirty state, etc.
//
public override int OnAfterAttributeChangeEx(
uint cookie, uint atts,
IVsHierarchy oldHier, uint oldId, string oldPath,
IVsHierarchy newHier, uint newId, string newPath)
{
ThreadHelper.ThrowIfNotOnUIThread();
const uint RenameBit = (uint)__VSRDTATTRIB.RDTA_MkDocument;
if ((atts & RenameBit) == 0)
{
// don't bother with anything else than rename
return(VSConstants.S_OK);
}
// this is fired for:
//
// 1) renaming a C# project
// ignored because it also fires HierarchyEvents.OnPropertyChanged
//
// 2) renaming a file for both C++ and C# projects
// this is handled here
//
// 3) moving a C# file
// this is handled here and ignored in HierarchyEvents.OnItemAdded
Trace(
"OnAfterAttributeChangeEx rename: cookie={0} atts={1} " +
"oldId={2} oldPath={3} newId={4} newPath={5}",
cookie, atts, oldId, oldPath, newId, newPath);
var d = VSDocument.DocumentFromCookie(cookie);
if (d == null)
{
// this happens when renaming a C# project, which is handled
// elsewhere, so that's fine
return(VSConstants.S_OK);
}
DocumentRenamed?.Invoke(new VSDocument(d));
return(VSConstants.S_OK);
}
// fired when an item is moved or added
//
public override int OnItemAdded(
uint parent, uint prevSibling, uint item)
{
ThreadHelper.ThrowIfNotOnUIThread();
Trace(
"OnItemAdded: parent={0} prevSibling={1} item={2}",
parent, prevSibling, item);
// it's generally impossible to differentiate between moves and
// renames for either files or folders, so they're merged into one
// rename event
// OnItemAdded for folders and files is fired for C# projects on
// move and rename, but only on move for C++ projects for move
//
// renaming a file or a folder for C++ projects fires
// OnPropertyChanged, which is handled below
if (VSTreeItem.GetIsFolder(Hierarchy, item))
{
FolderRenamed?.Invoke(new VSTreeItem(Hierarchy, item));
}
else
{
var d = VSDocument.DocumentFromItemID(Hierarchy, item);
if (d == null)
{
// this happens when renaming C# files for whatever reason,
// but it's fine because it's already handled in
// OnAfterAttributeChangeEx
return(VSConstants.S_OK);
}
DocumentRenamed?.Invoke(new VSDocument(d));
}
return(VSConstants.S_OK);
}