TypeDeclaration GetTypeDeclaration(MDRefactoringContext context)
{
var result = context.GetNode <TypeDeclaration> ();
if (result == null || result.Parent is TypeDeclaration)
{
return(null);
}
if (result != null && result.NameToken.Contains(context.Location))
{
return(result);
}
return(null);
}
public override IEnumerable <MonoDevelop.CodeActions.CodeAction> GetActions(MonoDevelop.Ide.Gui.Document document, object refactoringContext, TextLocation loc, CancellationToken cancellationToken)
{
MDRefactoringContext context = (MDRefactoringContext)refactoringContext;
if (context.IsInvalid)
{
yield break;
}
VariableInitializer currentVariable = context.GetNode <VariableInitializer>();
if (currentVariable == null)
{
yield break;
}
FieldDeclaration currentField = currentVariable.Parent as FieldDeclaration;
if (currentField == null)
{
yield break;
}
if (!currentField.Modifiers.HasFlag(Modifiers.Const))
{
yield break;
}
PrimitiveType baseType = TypeToIntegerPrimitive(context, currentField.ReturnType);
if (baseType == null)
{
//Can't make enums of these types
yield break;
}
TypeDeclaration containerType = currentVariable.GetParent <TypeDeclaration>();
//Get all the fields/variables that the enum can possibly cover
//Don't check the name just yet. That'll come later.
var constFields = containerType.Members.OfType <FieldDeclaration>()
.Where(field => field.GetParent <TypeDeclaration>() == containerType && field.HasModifier(Modifiers.Const)).ToList();
var constVariables = constFields.SelectMany(field => field.Variables).ToList();
//Now, it's time to check the name of the selected variable
//We'll use this to search for prefixes later
var names = constVariables.Select(variable => variable.Name).ToList();
string currentName = currentVariable.Name;
//Now, find the common name prefixes
//If the variable is called 'A_B_C_D', then 'A', 'A_B' and 'A_B_C' are
//the potentially available prefixes.
//Note that the common prefixes are the ones that more than one variable
//has.
//Each prefix has an associated action.
foreach (var prefix in GetCommonPrefixes(currentName, names))
{
string title = string.Format(GettextCatalog.GetString("Create enum '{0}'"), prefix);
yield return(new DefaultCodeAction(title, (ctx, script) => {
PrepareToRunAction(prefix, baseType, containerType, constVariables, cancellationToken, ctx, script);
}));
}
}
TypeDeclaration GetTypeDeclaration (MDRefactoringContext context)
{
var result = context.GetNode<TypeDeclaration> ();
if (result == null || result.Parent is TypeDeclaration)
return null;
if (result != null && result.NameToken.Contains (context.Location))
return result;
return null;
}