private static async Task UpdateSheetRulesAsync(string file, IEnumerable <CssSelectorChangeData> set)
{
////Get off the UI thread
//await Task.Factory.StartNew(() => { });
var doc = DocumentFactory.GetDocument(file, true);
if (doc == null)
{
return;
}
var oldSnapshotOnChange = doc.IsProcessingUnusedCssRules;
var window = EditorExtensionsPackage.DTE.ItemOperations.OpenFile(file);
window.Activate();
var buffer = ProjectHelpers.GetCurentTextBuffer();
var flattenedRules = FlattenRules(doc);
var allEdits = new List <CssRuleBlockSyncAction>();
doc.IsProcessingUnusedCssRules = false;
doc.Reparse(buffer.CurrentSnapshot.GetText());
foreach (var item in set)
{
var selectorName = RuleRegistry.StandardizeSelector(item.Rule);
var matchingRules = flattenedRules.Where(x => string.Equals(x.CleansedSelectorName, selectorName, StringComparison.Ordinal)).OrderBy(x => x.Offset).ToList();
var rule = matchingRules[item.RuleIndex];
var actions = await CssRuleDefinitionSync.ComputeSyncActionsAsync(rule.Source, item.NewValue, item.OldValue);
allEdits.AddRange(actions);
}
var compositeEdit = buffer.CreateEdit();
try
{
foreach (var action in allEdits)
{
action(window, compositeEdit);
}
}
catch
{
compositeEdit.Cancel();
}
finally
{
if (!compositeEdit.Canceled)
{
compositeEdit.Apply();
EditorExtensionsPackage.ExecuteCommand("Edit.FormatDocument");
window.Document.Save();
}
}
//await Task.Delay(2000); //<-- Try to wait for the files to actually save
doc.IsProcessingUnusedCssRules = oldSnapshotOnChange;
}
private void BufferOnPostChanged(object sender, EventArgs eventArgs)
{
var fileName = _buffer.GetFileName();
if (fileName == null)
{
return;
}
var doc = DocumentFactory.GetDocument(fileName);
if (doc == null)
{
return;
}
doc.Reparse(_buffer.CurrentSnapshot.GetText());
UsageRegistry.Resynchronize();
}
public IEnumerable <ITagSpan <IErrorTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var fileName = _buffer.GetFileName();
if (fileName == null)
{
return(new ITagSpan <UnusedCssTag> [0]);
}
var doc = DocumentFactory.GetDocument(fileName);
if (doc == null)
{
return(new ITagSpan <UnusedCssTag> [0]);
}
var result = new List <ITagSpan <IErrorTag> >();
using (AmbientRuleContext.GetOrCreate())
{
var applicableRules = UsageRegistry.GetAllUnusedRules(new HashSet <IStylingRule>(doc.Rules));
foreach (var rule in applicableRules)
{
try
{
result.Add(UnusedCssTag.FromRuleSet(_buffer, rule));
}
catch (ArgumentOutOfRangeException)
{
//Sometimes while the document is being modified and retagging is happening, a rule's boundary will momentarily be out of sync with the document and possibly past the end
// this is a condition that may be safely ignored
}
}
}
return(result);
}
