private bool NeedForbidSaving(IXApplication app, IXDocument doc, OpenFileOptions_e opts)
{
if (opts.HasFlag(OpenFileOptions_e.ForbidUpgrade))
{
try
{
if (TextUtils.MatchesAnyFilter(doc.Path, m_AppProvider.Descriptor.PartFileFilter.Extensions) ||
TextUtils.MatchesAnyFilter(doc.Path, m_AppProvider.Descriptor.AssemblyFileFilter.Extensions) ||
TextUtils.MatchesAnyFilter(doc.Path, m_AppProvider.Descriptor.DrawingFileFilter.Extensions))
{
if (app.Version.Compare(doc.Version) == VersionEquality_e.Newer)
{
return(true);
}
}
}
catch (Exception ex)
{
throw new UserException("Failed to extract version of the file. This can indicate that the file is corrupted", ex);
}
}
return(false);
}
private IXDocument EnsureDocument(IXApplication app,
IXDocument templateDoc, OpenFileOptions_e opts, CancellationToken cancellationToken, out bool forbidSaving)
{
IXDocument doc;
if (templateDoc.IsCommitted && templateDoc.IsAlive)
{
doc = templateDoc;
}
else
{
doc = app.Documents.FirstOrDefault(d => string.Equals(d.Path, templateDoc.Path));
if (doc == null)
{
doc = app.Documents.PreCreate <IXDocument>();
doc.Path = templateDoc.Path;
}
}
if (!doc.IsCommitted)
{
var state = DocumentState_e.Default;
if (opts.HasFlag(OpenFileOptions_e.Silent))
{
state |= DocumentState_e.Silent;
}
if (opts.HasFlag(OpenFileOptions_e.ReadOnly))
{
state |= DocumentState_e.ReadOnly;
}
if (opts.HasFlag(OpenFileOptions_e.Rapid))
{
state |= DocumentState_e.Rapid;
}
if (opts.HasFlag(OpenFileOptions_e.Invisible))
{
state |= DocumentState_e.Hidden;
}
forbidSaving = NeedForbidSaving(app, doc, opts);
if (forbidSaving)
{
if (!state.HasFlag(DocumentState_e.ReadOnly))
{
m_JournalWriter.WriteLine($"Setting the readonly flag to {doc.Path} to prevent upgrade of the file");
state |= DocumentState_e.ReadOnly;
}
}
doc.State = state;
m_JournalWriter.WriteLine($"Opening '{doc.Path}'");
doc.Commit(cancellationToken);
}
else
{
forbidSaving = NeedForbidSaving(app, doc, opts);
if (forbidSaving && !doc.State.HasFlag(DocumentState_e.ReadOnly))
{
TryCloseDocument(doc);
throw new UserException("Document is opened with write access, but saving is forbidden");
}
}
return(doc);
}