/// <summary>
/// These appear to represent members of classes
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public ICompletionData CreateEntityCompletionData(ICSharpCode.NRefactory.TypeSystem.IEntity entity)
{
var cd = new EntityCompletionData(entity);
return cd;
}
static void ProcessEventCompletion(string code, int position, ICompletionData data, List <ICompletionData> result)
{
try
{
var lineStart = code.Substring(0, position).LastIndexOf('\n');
if (lineStart == -1)
{
lineStart = 0;
}
var leftPart = code.Substring(lineStart, position - lineStart).TrimEnd(); //line left part
string indent = new string(' ', leftPart.Length);
string eventName = data.DisplayText;
// lambda event handler
data.DisplayText = "On" + eventName + " - lambda";
string handlerArgs = string.Join(", ", data.InvokeParameters.Select(p => p.Split(' ').LastOrDefault()).ToArray());
var sb = new StringBuilder()
.AppendLine("(" + handlerArgs + ")=>")
.AppendLine(indent + "{")
.AppendLine(indent + " $|$")
.AppendLine(indent + "};");
data.CompletionText = sb.ToString();
var root = CSharpSyntaxTree.ParseText(code)
.GetRoot();
string[] namespaces = root.GetUsingNamespace(code);
// delegate event handler
handlerArgs = string.Join(", ", data.InvokeParameters.Select(x => x.ShrinkNamespaces(namespaces)).ToArray());
sb.Clear()
.AppendLine("delegate(" + handlerArgs + ")")
.AppendLine(indent + "{")
.AppendLine(indent + " $|$")
.AppendLine(indent + "};");
//add delegate version of the same event handler
var delegateCompletion = new EntityCompletionData().CopyPropertiesFrom(data);
delegateCompletion.CompletionText = sb.ToString();
delegateCompletion.DisplayText = "On" + eventName + " - delegate";
result.Add(delegateCompletion);
// method event handler
string handlerName = "On" + eventName;
var nodes = root.DescendantNodes();
var methodAtCursor = nodes.Where(x => x.Kind() == SyntaxKind.MethodDeclaration &&
x.FullSpan.End >= position)
.OfType <MethodDeclarationSyntax>()
.Select(x => new
{
End = x.FullSpan.End,
Distance = x.FullSpan.End - position,
Data = x,
})
.OrderBy(x => x.Distance)
.FirstOrDefault();
if (methodAtCursor != null)
{
indent = new string(' ', methodAtCursor.Data.Span.Start - methodAtCursor.Data.FullSpan.Start);
var similarMethods = nodes.OfType <MethodDeclarationSyntax>()
.Where(x => x.Parent == methodAtCursor.Data.Parent &&
x.Identifier.Text.StartsWith(handlerName));
if (similarMethods.Any())
{
handlerName = handlerName + (similarMethods.Count() + 1);
}
var modifier = methodAtCursor.Data
.Modifiers
.Where(x => x.Text == "static")
.Select(x => "static ")
.FirstOrDefault();
//add delegate version of the same event handler
var methodCompletion = new EntityCompletionData().CopyPropertiesFrom(data);
methodCompletion.CompletionText = handlerName + ";";
methodCompletion.DisplayText = "On" + eventName + " - method";
var returnType = delegateCompletion.InvokeReturn.ShrinkNamespaces(namespaces) + " ";
sb.Clear()
.AppendLine()
.AppendLine(indent + modifier + returnType + handlerName + "(" + handlerArgs + ")")
.AppendLine(indent + "{")
.AppendLine(indent + " $|$")
.AppendLine(indent + "}");
methodCompletion.Tag = new Dictionary <string, object>()
{
{ "insertionPos", methodAtCursor.End },
{ "insertionContent", sb.ToString() },
};
result.Add(methodCompletion);
}
}
catch { }
}
/// <summary>
/// These appear to represent members of classes
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
public ICompletionData CreateEntityCompletionData(ICSharpCode.NRefactory.TypeSystem.IEntity entity)
{
var cd = new EntityCompletionData(entity);
return(cd);
}
