public override IEnumerable <CompletionInfo> GetCompletions(IDjangoCompletionContext context, int position)
{
// If no argument, show urls
if (Args.Length == 0)
{
return(GetUrlCompletion(context));
}
BlockClassification?argBeforePosition = GetArgBeforePosition(position);
BlockClassification?argPenultimateBeforePosition = GetPenultimateArgBeforePosition(position);
if (argBeforePosition == null)
{
return(GetUrlCompletion(context));
}
// No completion for the url variable name after the 'as' keyword
if (IsAfterAsKeyword(argBeforePosition, argPenultimateBeforePosition))
{
return(Enumerable.Empty <CompletionInfo>());
}
DjangoUrl url = FindCurrentDjangoUrl(context);
// Too many parameters are already in the statement
if (_nbDefinedParameters >= url.Parameters.Count)
{
return(new[] {
new CompletionInfo("as", StandardGlyphGroup.GlyphKeyword),
});
}
// Completion proposes unused named parameters, template variables and the 'as' keyword
return(Enumerable.Concat(
Enumerable.Concat(
GetUnusedNamedParameters(url),
base.GetCompletions(context, position)
),
new[] {
new CompletionInfo("as", StandardGlyphGroup.GlyphKeyword)
}
));
}
private IEnumerable <CompletionInfo> GetUnusedNamedParameters(DjangoUrl url)
{
if (url == null)
{
return(Enumerable.Empty <CompletionInfo>());
}
IList <string> undefinedNamedParameters = new List <string>();
foreach (DjangoUrlParameter urlParam in url.NamedParameters)
{
if (!_definedNamedParameters.Contains(urlParam.Name))
{
undefinedNamedParameters.Add(urlParam.Name);
}
}
return(CompletionInfo.ToCompletionInfo(undefinedNamedParameters.Select(p => p += '='), StandardGlyphGroup.GlyphGroupField));
}
private IEnumerable<CompletionInfo> GetUnusedNamedParameters(DjangoUrl url) {
if (url == null) {
return Enumerable.Empty<CompletionInfo>();
}
IList<string> undefinedNamedParameters = new List<string>();
foreach (DjangoUrlParameter urlParam in url.NamedParameters) {
if (!_definedNamedParameters.Contains(urlParam.Name)) {
undefinedNamedParameters.Add(urlParam.Name);
}
}
return CompletionInfo.ToCompletionInfo(undefinedNamedParameters.Select(p => p += '='), StandardGlyphGroup.GlyphGroupField);
}
