public override void Complete(CompletionContext context, ICompletionItem item)
{
using (context.Editor.Document.OpenUndoGroup()) {
base.Complete(context, item);
XamlCompletionContext xamlContext = CompletionDataHelper.ResolveCompletionContext(context.Editor, context.CompletionChar);
if (xamlContext.Description == XamlContextDescription.None && (context.StartOffset <= 0 || context.Editor.Document.GetCharAt(context.StartOffset - 1) != '<'))
{
context.Editor.Document.Insert(context.StartOffset, "<");
context.EndOffset++;
}
if (item is XamlCodeCompletionItem)
{
XamlCodeCompletionItem cItem = item as XamlCodeCompletionItem;
if (cItem.Entity is IProperty || cItem.Entity is IEvent)
{
if (xamlContext.Description == XamlContextDescription.InTag)
{
context.Editor.Document.Insert(context.EndOffset, "=\"\"");
context.CompletionCharHandled = context.CompletionChar == '=';
context.Editor.Caret.Offset--;
new XamlCodeCompletionBinding().CtrlSpace(context.Editor);
}
else if (xamlContext.Description == XamlContextDescription.InMarkupExtension && !string.IsNullOrEmpty(xamlContext.RawAttributeValue))
{
string valuePart = xamlContext.RawAttributeValue.Substring(0, xamlContext.ValueStartOffset);
AttributeValue value = MarkupExtensionParser.ParseValue(valuePart);
if (value != null && !value.IsString)
{
var markup = Utils.GetMarkupExtensionAtPosition(value.ExtensionValue, context.Editor.Caret.Offset);
if (markup.NamedArguments.Count > 0 || markup.PositionalArguments.Count > 0)
{
int oldOffset = context.Editor.Caret.Offset;
context.Editor.Caret.Offset = context.StartOffset;
string word = context.Editor.GetWordBeforeCaret().TrimEnd();
int spaces = CountWhiteSpacesAtEnd(context.Editor.GetWordBeforeCaret());
int typeNameStart = markup.ExtensionType.IndexOf(':') + 1;
if (!(word == "." || word == "," || word == ":") && markup.ExtensionType.Substring(typeNameStart, markup.ExtensionType.Length - typeNameStart) != word)
{
context.Editor.Document.Replace(context.Editor.Caret.Offset - spaces, spaces, ", ");
oldOffset += (2 - spaces);
}
context.Editor.Caret.Offset = oldOffset;
}
}
if (cItem.Text.EndsWith("=", StringComparison.OrdinalIgnoreCase))
{
new XamlCodeCompletionBinding().CtrlSpace(context.Editor);
}
}
}
}
if (item is NewEventCompletionItem)
{
NewEventCompletionItem eventItem = item as NewEventCompletionItem;
int discriminator;
if (CreateEventHandlerCode(context, eventItem, out discriminator))
{
if (discriminator > 0)
{
context.Editor.Document.Insert(context.EndOffset, discriminator.ToString());
}
}
}
if (item is XmlnsCompletionItem)
{
context.Editor.Caret.Offset++;
}
if (item is XamlCompletionItem && xamlContext.Description == XamlContextDescription.InTag)
{
context.Editor.Document.Insert(context.EndOffset, "=\"\"");
context.Editor.Caret.Offset--;
new XamlCodeCompletionBinding().CtrlSpace(context.Editor);
}
switch (item.Text)
{
case "![CDATA[":
context.Editor.Document.Insert(context.Editor.Caret.Offset, "]]>");
context.Editor.Caret.Offset -= 3;
break;
case "?":
context.Editor.Document.Insert(context.Editor.Caret.Offset, "?>");
context.Editor.Caret.Offset -= 2;
break;
case "!--":
context.Editor.Document.Insert(context.Editor.Caret.Offset, " -->");
context.Editor.Caret.Offset -= 4;
break;
}
if (item.Text.StartsWith("/", StringComparison.OrdinalIgnoreCase))
{
context.Editor.Document.Insert(context.EndOffset, ">");
context.CompletionCharHandled = context.CompletionChar == '>';
context.Editor.Caret.Offset++;
}
}
}
public static IList<ICompletionItem> CreateElementList(XamlCompletionContext context, bool classesOnly, bool includeAbstract)
{
var items = GetClassesFromContext(context);
var result = new List<ICompletionItem>();
var last = context.ParentElement;
if (context.ParseInformation == null)
return emptyList;
XamlCompilationUnit cu = context.ParseInformation.CompilationUnit as XamlCompilationUnit;
IReturnType rt = null;
if (last != null && cu != null) {
if (!last.Name.Contains(".") || last.Name.EndsWith(".", StringComparison.OrdinalIgnoreCase)) {
rt = cu.CreateType(last.Namespace, last.LocalName.Trim('.'));
string contentPropertyName = GetContentPropertyName(rt);
if (!string.IsNullOrEmpty(contentPropertyName)) {
string fullName = last.Name + "." + contentPropertyName;
MemberResolveResult mrr = XamlResolver.Resolve(fullName, context) as MemberResolveResult;
if (mrr != null) {
rt = mrr.ResolvedType;
}
}
} else {
MemberResolveResult mrr = XamlResolver.Resolve(last.Name, context) as MemberResolveResult;
if (mrr != null) {
rt = mrr.ResolvedType;
}
}
}
bool isList = rt != null && rt.IsListReturnType();
bool parentAdded = false;
foreach (var ns in items) {
foreach (var c in ns.Value) {
if (includeAbstract) {
if (c.ClassType == ClassType.Class) {
if (c.IsStatic || c.DerivesFrom("System.Attribute"))
continue;
} else if (c.ClassType == ClassType.Interface) {
} else {
continue;
}
} else {
if (!(c.ClassType == ClassType.Class && c.IsAbstract == includeAbstract && !c.IsStatic &&
// TODO : use c.DefaultReturnType.GetConstructors(ctor => ctor.IsAccessible(context.ParseInformation.CompilationUnit.Classes.FirstOrDefault(), false)) after DOM rewrite
!c.DerivesFrom("System.Attribute") && (c.AddDefaultConstructorIfRequired || c.Methods.Any(m => m.IsConstructor && m.IsAccessible(context.ParseInformation.CompilationUnit.Classes.FirstOrDefault(), false)))))
continue;
}
if (last != null && isList) {
var possibleTypes = rt.GetMethods()
.Where(a => a.Parameters.Count == 1 && a.Name == "Add")
.Select(method => method.Parameters.First().ReturnType.GetUnderlyingClass()).Where(p => p != null);
if (!possibleTypes.Any(t => c.ClassInheritanceTreeClassesOnly.Any(c2 => c2.FullyQualifiedName == t.FullyQualifiedName)))
continue;
}
XamlCodeCompletionItem item = new XamlCodeCompletionItem(c, ns.Key);
parentAdded = parentAdded || (last != null && item.Text == last.Name);
result.Add(new XamlCodeCompletionItem(c, ns.Key));
}
}
if (!parentAdded && last != null && !last.Name.Contains(".")) {
IClass itemClass = cu.CreateType(last.Namespace, last.LocalName.Trim('.')).GetUnderlyingClass();
if (itemClass != null)
result.Add(new XamlCodeCompletionItem(itemClass, last.Prefix));
}
var xamlItems = XamlNamespaceAttributes.AsEnumerable();
if (EnableXaml2009)
xamlItems = xamlBuiltInTypes.Concat(XamlNamespaceAttributes);
foreach (string item in xamlItems)
result.Add(new XamlCompletionItem(context.XamlNamespacePrefix, XamlNamespace, item));
return result;
}
