private void Unbind_OnMouseLeftButtonUp(
object sender,
MouseButtonEventArgs e
)
{
ThreadHelper.ThrowIfNotOnUIThread();
var tag = (sender as FrameworkElement)?.Tag as DpdtBindingTargetViewModel;
if (tag is null)
{
return;
}
if (!TryGetBinding(tag.BindingUniqueUnstableIdentifier, out var containerAndScanner, out var binding))
{
return;
}
if (binding !.IsConventional)
{
return;
}
var dte = Package.GetGlobalService(typeof(EnvDTE.DTE)) as DTE2;
if (dte == null)
{
return;
}
var componentModel = Package.GetGlobalService(typeof(SComponentModel)) as IComponentModel;
if (componentModel == null)
{
return;
}
var textManager = Package.GetGlobalService(typeof(SVsTextManager)) as IVsTextManager;
if (textManager == null)
{
return;
}
ErrorHandler.ThrowOnFailure(textManager.GetActiveView(1, null, out var currentActiveView));
var currentDocumentFilePath = System.IO.Path.Combine(dte.ActiveDocument.Path, dte.ActiveDocument.Name);
currentActiveView.GetCaretPos(out var currentLine, out var currentColumn);
//switch to modified document
var modifiedDocumentHelper = new VisualStudioDocumentHelper(
binding !.Position.FilePath
);
modifiedDocumentHelper.OpenAndNavigate(
binding !.Position.StartLine,
binding !.Position.StartColumn,
binding !.Position.EndLine,
binding !.Position.EndColumn
);
try
{
dte.UndoContext.Open($"Remove bind {binding.TargetRepresentation}");
ErrorHandler.ThrowOnFailure(textManager.GetActiveView(1, null, out var activeView));
var editorAdapter = componentModel.GetService <IVsEditorAdaptersFactoryService>();
var textView = editorAdapter.GetWpfTextView(activeView);
if (textView != null)
{
textView.TextBuffer.Delete(
new Span(
binding.Position.SpanStart,
binding.Position.SpanLength
)
);
}
}
finally
{
dte.UndoContext.Close();
}
//get back to our document
var sourceDocumentHelper = new VisualStudioDocumentHelper(
currentDocumentFilePath
);
sourceDocumentHelper.OpenAndNavigate(
currentLine,
currentColumn,
currentLine,
currentColumn
);
}
public async Task DoSurgeryAsync(
NewBindingInfo newBindingInfo
)
{
if (newBindingInfo is null)
{
throw new ArgumentNullException(nameof(newBindingInfo));
}
if (string.IsNullOrEmpty(_targetMethod.MethodDeclaration.Position.FilePath))
{
return;
}
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
var dte = Package.GetGlobalService(typeof(EnvDTE.DTE)) as DTE2;
if (dte == null)
{
return;
}
var componentModel = Package.GetGlobalService(typeof(SComponentModel)) as IComponentModel;
if (componentModel == null)
{
return;
}
var textManager = Package.GetGlobalService(typeof(SVsTextManager)) as IVsTextManager;
if (textManager == null)
{
return;
}
var workspace = (Workspace)componentModel.GetService <VisualStudioWorkspace>();
if (workspace == null)
{
return;
}
ErrorHandler.ThrowOnFailure(textManager.GetActiveView(1, null, out var currentActiveView));
var currentDocumentFilePath = System.IO.Path.Combine(dte.ActiveDocument.Path, dte.ActiveDocument.Name);
currentActiveView.GetCaretPos(out var currentLine, out var currentColumn);
#region open modified document
var modifiedDocumentHelper = new VisualStudioDocumentHelper(
_targetMethod.MethodDeclaration.Position.FilePath
);
modifiedDocumentHelper.OpenAndNavigate(
_targetMethod.MethodDeclaration.Position.StartLine,
_targetMethod.MethodDeclaration.Position.StartColumn,
_targetMethod.MethodDeclaration.Position.EndLine,
_targetMethod.MethodDeclaration.Position.EndColumn
);
#endregion
#region switch back to source document if needed
if (newBindingInfo.IsBindingComplete)
{
var sourceDocumentHelper = new VisualStudioDocumentHelper(
currentDocumentFilePath
);
sourceDocumentHelper.OpenAndNavigate(
currentLine,
currentColumn,
currentLine,
currentColumn
);
}
#endregion
var document = workspace.GetDocument(
_targetMethod.MethodDeclaration.Position.FilePath
);
if (document == null)
{
return;
}
var surgeon = new SyntaxSurgeon(
_targetMethod
);
var(surgedDocument, addedBinding) = await surgeon.SurgeAsync(
document,
newBindingInfo
);
if (surgedDocument == null)
{
return;
}
if (!workspace.TryApplyChanges(surgedDocument.Project.Solution))
{
DpdtPackage.ShowMessageBox(
"Error",
"Error happened while additing a new binding clause. Please try again."
);
return;
}
if (!newBindingInfo.IsBindingComplete && addedBinding != null)
{
var addedBindingLineSpan = addedBinding.GetLocation().GetLineSpan();
modifiedDocumentHelper.OpenAndNavigate(
addedBindingLineSpan.StartLinePosition.Line,
addedBindingLineSpan.StartLinePosition.Character,
addedBindingLineSpan.EndLinePosition.Line,
addedBindingLineSpan.EndLinePosition.Character
);
}
}