/// <summary>
/// Returns the AnalysisEntry being used for where the caret is currently located in this view.
///
/// Returns null if the caret isn't in Python code or an analysis doesn't exist for some reason.
/// </summary>
internal static AnalysisEntry GetAnalysisAtCaret(this ITextView textView, IServiceProvider serviceProvider)
{
var buffer = textView.GetPythonBufferAtCaret();
if (buffer != null)
{
return(buffer.TryGetAnalysisEntry());
}
return(textView.TryGetAnalysisEntry(serviceProvider));
}
/// <summary>
/// Returns the active VsProjectAnalyzer being used for where the caret is currently located in this view.
/// </summary>
internal static VsProjectAnalyzer GetAnalyzerAtCaret(this ITextView textView, IServiceProvider serviceProvider)
{
var buffer = textView.GetPythonBufferAtCaret();
if (buffer != null)
{
return(textView.GetAnalysisEntry(buffer, serviceProvider)?.Analyzer);
}
return(null);
}
private void QueryStatusRename(OLECMD[] prgCmds, int i)
{
var analyzer = _textView.GetAnalyzerAtCaret(_serviceProvider);
if (analyzer != null && _textView.GetPythonBufferAtCaret() != null)
{
prgCmds[i].cmdf = (uint)(OLECMDF.OLECMDF_ENABLED | OLECMDF.OLECMDF_SUPPORTED);
}
else
{
prgCmds[i].cmdf = (uint)(OLECMDF.OLECMDF_INVISIBLE);
}
}
public static bool? CanExtract(ITextView view) {
if (view.GetPythonBufferAtCaret() != null) {
if (view.Selection.IsEmpty ||
view.Selection.Mode == TextSelectionMode.Box ||
String.IsNullOrWhiteSpace(view.Selection.StreamSelectionSpan.GetText())) {
return false;
} else {
return true;
}
} else {
return null;
}
}
/// <summary>
/// Returns the AnalysisEntry being used for where the caret is currently located in this view.
///
/// Returns null if the caret isn't in Python code or an analysis doesn't exist for some reason.
/// </summary>
internal static AnalysisEntry GetAnalysisAtCaret(this ITextView textView, IServiceProvider serviceProvider)
{
var buffer = textView.GetPythonBufferAtCaret();
if (buffer == null)
{
return(null);
}
var service = serviceProvider.GetEntryService();
AnalysisEntry entry = null;
service?.TryGetAnalysisEntry(textView, buffer, out entry);
return(entry);
}
public static bool?CanExtract(ITextView view)
{
if (view.GetPythonBufferAtCaret() != null)
{
if (view.Selection.IsEmpty ||
view.Selection.Mode == TextSelectionMode.Box ||
String.IsNullOrWhiteSpace(view.Selection.StreamSelectionSpan.GetText()))
{
return(false);
}
else
{
return(true);
}
}
else
{
return(null);
}
}
public async Task <bool> ExtractMethod(IExtractMethodInput input)
{
var analyzer = _view.GetAnalyzerAtCaret(_serviceProvider);
if (analyzer == null)
{
return(false);
}
var buffer = _view.GetPythonBufferAtCaret();
var snapshot = buffer.CurrentSnapshot;
var projectFile = _view.GetAnalysisAtCaret(_serviceProvider);
if (projectFile == null)
{
return(false);
}
// extract once to validate the selection
var extractInfo = await analyzer.ExtractMethodAsync(
projectFile,
buffer,
_view,
"method_name",
null,
null
);
if (extractInfo == null)
{
return(false);
}
var extract = extractInfo.Data;
if (extract.cannotExtractMsg != null)
{
input.CannotExtract(extract.cannotExtractMsg);
return(false);
}
if (extract.wasExpanded && !input.ShouldExpandSelection())
{
return(false);
}
if (extract.startIndex != null && extract.endIndex != null)
{
var selectionSpan = _view.BufferGraph.MapUpToBuffer(
new SnapshotSpan(
snapshot,
Span.FromBounds(extract.startIndex.Value, extract.endIndex.Value)
),
SpanTrackingMode.EdgeInclusive,
_view.TextBuffer
);
foreach (var span in selectionSpan)
{
_view.Selection.Select(span, false);
break;
}
}
var info = input.GetExtractionInfo(new ExtractedMethodCreator(analyzer, projectFile, _view, buffer, extract));
if (info == null)
{
// user cancelled extract method
return(false);
}
// extract again to get the final result...
extractInfo = await analyzer.ExtractMethodAsync(
projectFile,
buffer,
_view,
info.Name,
info.Parameters,
info.TargetScope?.Scope.id
);
if (extractInfo == null)
{
return(false);
}
VsProjectAnalyzer.ApplyChanges(
extractInfo.Data.changes,
buffer,
extractInfo.GetTracker(extractInfo.Data.version)
);
return(true);
}
public async Task <bool> ExtractMethod(IExtractMethodInput input)
{
var buffer = _view.GetPythonBufferAtCaret();
var bi = _services.GetBufferInfo(buffer);
var entry = bi?.AnalysisEntry;
if (entry?.Analyzer == null)
{
return(false);
}
var snapshot = buffer.CurrentSnapshot;
// extract once to validate the selection
var extract = await entry.Analyzer.ExtractMethodAsync(
bi,
_view,
"method_name",
null,
null
);
if (extract == null)
{
return(false);
}
if (extract.cannotExtractMsg != null)
{
input.CannotExtract(extract.cannotExtractMsg);
return(false);
}
if (extract.wasExpanded && !input.ShouldExpandSelection())
{
return(false);
}
if (extract.startLine > 0 && extract.endLine > 0)
{
var selectionSpan = _view.BufferGraph.MapUpToBuffer(
new SourceSpan(
new SourceLocation(extract.startLine, extract.startCol),
new SourceLocation(extract.endLine, extract.endCol)
).ToSnapshotSpan(snapshot),
SpanTrackingMode.EdgeInclusive,
_view.TextBuffer
);
foreach (var span in selectionSpan)
{
_view.Selection.Select(span, false);
break;
}
}
var info = input.GetExtractionInfo(new ExtractedMethodCreator(bi, _view, extract));
if (info == null)
{
// user cancelled extract method
return(false);
}
// extract again to get the final result...
extract = await entry.Analyzer.ExtractMethodAsync(
bi,
_view,
info.Name,
info.Parameters,
info.TargetScope?.Scope.id
);
if (extract == null)
{
return(false);
}
VsProjectAnalyzer.ApplyChanges(
extract.changes,
buffer,
bi.LocationTracker,
extract.version
);
return(true);
}
