private static bool SchemaLookup(ParseItem item, ITextBuffer buffer)
{
if (item is ClassSelector || item is IdSelector || item is ItemName || item.Parent is RuleBlock || item.Parent is StyleSheet)
{
return(false);
}
ICssSchemaInstance schema = CssSchemaManager.SchemaManager.GetSchemaRootForBuffer(buffer);
Declaration dec = item.FindType <Declaration>();
if (dec != null && dec.PropertyName != null)
{
return(OpenReferenceUrl(schema.GetProperty, dec.PropertyName.Text, "http://realworldvalidator.com/css/properties/"));
}
PseudoClassFunctionSelector pseudoClassFunction = item.FindType <PseudoClassFunctionSelector>();
if (pseudoClassFunction != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoClassFunction.Colon.Text + pseudoClassFunction.Function.FunctionName.Text + ")", "http://realworldvalidator.com/css/pseudoclasses/"));
}
PseudoElementFunctionSelector pseudoElementFunction = item.FindType <PseudoElementFunctionSelector>();
if (pseudoElementFunction != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoElementFunction.DoubleColon.Text + pseudoElementFunction.Function.FunctionName.Text + ")", "http://realworldvalidator.com/css/pseudoelements/"));
}
PseudoElementSelector pseudoElement = item.FindType <PseudoElementSelector>();
if (pseudoElement != null && pseudoElement.PseudoElement != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoElement.DoubleColon.Text + pseudoElement.PseudoElement.Text, "http://realworldvalidator.com/css/pseudoelements/"));
}
PseudoClassSelector pseudoClass = item.FindType <PseudoClassSelector>();
if (pseudoClass != null && pseudoClass.PseudoClass != null)
{
return(OpenReferenceUrl(schema.GetPseudo, pseudoClass.Colon.Text + pseudoClass.PseudoClass.Text, "http://realworldvalidator.com/css/pseudoclasses/"));
}
AtDirective directive = item.FindType <AtDirective>();
if (directive != null)
{
return(OpenReferenceUrl(schema.GetAtDirective, directive.At.Text + directive.Keyword.Text, "http://realworldvalidator.com/css/atdirectives/"));
}
return(false);
}
private static Tuple <ParseItem, ICssCompletionListEntry> GetEntriesAndPoint(ParseItem item, SnapshotPoint point, ICssSchemaInstance schema)
{
// Declaration
Declaration dec = item.FindType <Declaration>();
if (dec != null && dec.PropertyName != null && dec.PropertyName.ContainsRange(point.Position, 1))
{
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(dec.PropertyName, schema.GetProperty(dec.PropertyName.Text)));
}
if (dec != null && dec.IsValid && dec.Values.TextStart <= point.Position && dec.Values.TextAfterEnd >= point.Position)
{
var entry = schema.GetProperty(dec.PropertyName.Text);
if (entry != null)
{
var list = schema.GetPropertyValues(entry.DisplayText);
var theOne = dec.StyleSheet.ItemFromRange(point.Position, 0);
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(theOne,
list.SingleOrDefault(r => r.DisplayText.Equals(theOne.Text, StringComparison.OrdinalIgnoreCase))));
}
}
// Pseudo class
PseudoClassSelector pseudoClass = item.FindType <PseudoClassSelector>();
if (pseudoClass != null)
{
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(pseudoClass, schema.GetPseudo(pseudoClass.Text)));
}
// Pseudo class function
PseudoClassFunctionSelector pseudoClassFunction = item.FindType <PseudoClassFunctionSelector>();
if (pseudoClassFunction != null)
{
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(pseudoClassFunction, schema.GetPseudo(pseudoClassFunction.Text)));
}
// Pseudo element
PseudoElementSelector pseudoElement = item.FindType <PseudoElementSelector>();
if (pseudoElement != null)
{
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(pseudoElement, schema.GetPseudo(pseudoElement.Text)));
}
// Pseudo element function
PseudoElementFunctionSelector pseudoElementFunction = item.FindType <PseudoElementFunctionSelector>();
if (pseudoElementFunction != null)
{
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(pseudoElementFunction, schema.GetPseudo(pseudoElementFunction.Text)));
}
// @-directive
AtDirective atDirective = item.Parent as AtDirective;
if (atDirective != null && atDirective.Keyword != null)
{
return(Tuple.Create <ParseItem, ICssCompletionListEntry>(atDirective.Keyword, schema.GetAtDirective("@" + atDirective.Keyword.Text)));
}
return(null);
}
public void AugmentQuickInfoSession(IQuickInfoSession session, IList <object> qiContent, out ITrackingSpan applicableToSpan)
{
applicableToSpan = null;
if (!EnsureTreeInitialized() || session == null || qiContent == null || qiContent.Count > 0 || !WESettings.GetBoolean(WESettings.Keys.ShowBrowserTooltip))
{
return;
}
SnapshotPoint?point = session.GetTriggerPoint(_buffer.CurrentSnapshot);
if (!point.HasValue)
{
return;
}
ParseItem item = _tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null || !item.IsValid)
{
return;
}
ParseItem theOne = null;
ICssCompletionListEntry entry = null;
ICssSchemaInstance schema = CssSchemaManager.SchemaManager.GetSchemaForItem(_rootSchema, item);
// Declaration
Declaration dec = item.FindType <Declaration>();
if (dec != null && dec.PropertyName != null && dec.PropertyName.ContainsRange(point.Value.Position, 1))
{
entry = schema.GetProperty(dec.PropertyName.Text);
theOne = dec.PropertyName;
}
else if (dec != null && dec.IsValid && dec.Values.TextStart <= point.Value.Position && dec.Values.TextAfterEnd >= point.Value.Position)
{
entry = schema.GetProperty(dec.PropertyName.Text);
if (entry != null)
{
var list = schema.GetPropertyValues(entry.DisplayText);
theOne = dec.StyleSheet.ItemFromRange(point.Value.Position, 0);
entry = list.SingleOrDefault(r => r.DisplayText.Equals(theOne.Text, StringComparison.OrdinalIgnoreCase));
}
}
// Pseudo class
if (entry == null)
{
PseudoClassSelector pseudoClass = item.FindType <PseudoClassSelector>();
if (pseudoClass != null)
{
entry = schema.GetPseudo(pseudoClass.Text);
theOne = pseudoClass;
}
}
// Pseudo class function
if (entry == null)
{
PseudoClassFunctionSelector pseudoClassFunction = item.FindType <PseudoClassFunctionSelector>();
if (pseudoClassFunction != null)
{
entry = schema.GetPseudo(pseudoClassFunction.Text);
theOne = pseudoClassFunction;
}
}
// Pseudo element
if (entry == null)
{
PseudoElementSelector pseudoElement = item.FindType <PseudoElementSelector>();
if (pseudoElement != null)
{
entry = schema.GetPseudo(pseudoElement.Text);
theOne = pseudoElement;
}
}
// Pseudo element function
if (entry == null)
{
PseudoElementFunctionSelector pseudoElementFunction = item.FindType <PseudoElementFunctionSelector>();
if (pseudoElementFunction != null)
{
entry = schema.GetPseudo(pseudoElementFunction.Text);
theOne = pseudoElementFunction;
}
}
// @-directive
if (entry == null)
{
AtDirective atDirective = item.Parent as AtDirective;
if (atDirective != null && atDirective.Keyword != null)
{
entry = schema.GetAtDirective("@" + atDirective.Keyword.Text);
theOne = atDirective.Keyword;
}
}
if (entry != null)
{
applicableToSpan = _buffer.CurrentSnapshot.CreateTrackingSpan(theOne.Start, theOne.Length, SpanTrackingMode.EdgeNegative);
string syntax = entry.GetSyntax(schema.Version);
string b = entry.GetAttribute("browsers");
if (string.IsNullOrEmpty(b) && theOne.Parent != null && theOne.Parent is Declaration)
{
b = schema.GetProperty(((Declaration)theOne.Parent).PropertyName.Text).GetAttribute("browsers");
if (string.IsNullOrEmpty(syntax))
{
syntax = theOne.Text;
}
}
if (!string.IsNullOrEmpty(syntax))
{
qiContent.Add("Example: " + syntax);
}
Dictionary <string, string> browsers = GetBrowsers(b);
qiContent.Add(CreateBrowserList(browsers));
}
}