internal static readonly ImageList _imageList = new ImageList();//Utilities.GetImageList(typeof(PythonProjectNode).Assembly.GetManifestResourceStream(PythonConstants.ProjectImageList));
public FilePreviewItem(PreviewChangesEngine engine, string file)
{
Filename = file;
_engine = engine;
do
{
_tempFileName = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()) + ".py";
} while (File.Exists(_tempFileName));
}
public void RenameVariable(IRenameVariableInput input, IVsPreviewChangesService previewChanges)
{
//if (IsModuleName(input))
//{
// input.CannotRename("Cannot rename a module name");
// return;
//}
var analysis = _view.GetExpressionAnalysis(_funcProvider, _dbProvider, _progFileProvider);
string originalName = null;
string privatePrefix = null;
if (analysis != null && analysis.Value != null)
{
// TODO: really need to add a IRenamable API that allows us to determine whether the item selected can be renamed
if (analysis.Value is VariableDef ||
analysis.Value is FunctionBlockNode)
{
originalName = analysis.Value.Name;
}
//expr = Statement.GetExpression(ast.Body);
//NameExpression ne = expr as NameExpression;
//MemberExpression me;
//if (ne != null)
//{
// originalName = ne.Name;
//}
//else if ((me = expr as MemberExpression) != null)
//{
// originalName = me.Name;
//}
//if (ast.PrivatePrefix != null && originalName != null && originalName.StartsWith("_" + ast.PrivatePrefix))
//{
// originalName = originalName.Substring(ast.PrivatePrefix.Length + 1);
// privatePrefix = ast.PrivatePrefix;
//}
//if (originalName != null && _view.Selection.IsActive && !_view.Selection.IsEmpty)
//{
// if (_view.Selection.Start.Position < analysis.Span.GetStartPoint(_view.TextBuffer.CurrentSnapshot) ||
// _view.Selection.End.Position > analysis.Span.GetEndPoint(_view.TextBuffer.CurrentSnapshot))
// {
// originalName = null;
// }
//}
}
if (originalName == null)
{
input.CannotRename("Please select a symbol to be renamed.");
return;
}
bool hasVariables = false;
foreach (var variable in analysis.Variables)
{
if (variable.Type == VariableType.Definition || variable.Type == VariableType.Reference)
{
hasVariables = true;
break;
}
}
IEnumerable <IAnalysisVariable> variables = null;
if (!hasVariables)
{
//List<IAnalysisVariable> paramVars = GetKeywordParameters(expr, originalName);
//if (paramVars.Count == 0)
//{
// input.CannotRename(string.Format("No information is available for the variable '{0}'.", originalName));
// return;
//}
//variables = paramVars;
}
else
{
variables = analysis.Variables;
}
//PythonLanguageVersion languageVersion = PythonLanguageVersion.None;
//var analyzer = _view.GetAnalyzer(_serviceProvider);
//var factory = analyzer != null ? analyzer.InterpreterFactory : null;
//if (factory != null)
//{
// languageVersion = factory.Configuration.Version.ToLanguageVersion();
//}
var info = input.GetRenameInfo(originalName);
if (info != null)
{
var engine = new PreviewChangesEngine(_serviceProvider, input, analysis, info, originalName, privatePrefix, _view.GetAnalyzer(), variables);
if (info.Preview)
{
previewChanges.PreviewChanges(engine);
}
else
{
ErrorHandler.ThrowOnFailure(engine.ApplyChanges());
}
}
}
public BufferUpdater(ITextBuffer buffer, PreviewChangesEngine engine)
{
_buffer = buffer;
_engine = engine;
}
