bool CtrlSpace(ITextEditor editor, XamlCompletionContext context)
{
if (context.Description == XamlContextDescription.InComment ||
context.Description == XamlContextDescription.InCData ||
context.ActiveElement == null)
{
return(false);
}
if (!context.InAttributeValueOrMarkupExtension)
{
XamlCompletionItemList list = generator.CreateListForContext(context);
string starter = editor.GetWordBeforeCaretExtended().TrimStart('/');
if (context.Description != XamlContextDescription.None && !string.IsNullOrEmpty(starter))
{
if (starter.Contains("."))
{
list.PreselectionLength = starter.Length - starter.IndexOf('.') - 1;
}
else
{
list.PreselectionLength = starter.Length;
}
}
editor.ShowCompletionWindow(list);
return(true);
}
// DO NOT USE generator.CreateListForContext here!!! results in endless recursion!!!!
if (context.Attribute != null)
{
if (!DoMarkupExtensionCompletion(context))
{
var completionList = new XamlCompletionItemList(context);
completionList.PreselectionLength = editor.GetWordBeforeCaretExtended().Length;
if ((context.ActiveElement.Name == "Setter" || context.ActiveElement.Name == "EventSetter") && (context.Attribute.Name == "Property" || context.Attribute.Name == "Value"))
{
DoSetterAndEventSetterCompletion(context, completionList);
editor.ShowCompletionWindow(completionList);
}
else if ((context.ActiveElement.Name.EndsWith("Trigger", StringComparison.Ordinal) || context.ActiveElement.Name == "Condition") && context.Attribute.Name == "Value")
{
DoTriggerCompletion(context, completionList);
editor.ShowCompletionWindow(completionList);
}
else if (!DoAttributeCompletion(context, completionList))
{
DoXmlAttributeCompletion(context, completionList);
}
return(completionList.Items.Any());
}
return(true);
}
return(false);
}
static void DoTriggerCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
bool isExplicit;
AttributeValue value = MarkupExtensionParser.ParseValue(CompletionDataHelper.LookForTargetTypeValue(context, out isExplicit, "Trigger") ?? string.Empty);
IReturnType typeName = null;
string typeNameString = null;
if (!value.IsString)
{
typeNameString = CompletionDataHelper.GetTypeNameFromTypeExtension(value.ExtensionValue, context);
typeName = CompletionDataHelper.ResolveType(typeNameString, context);
}
else
{
typeNameString = value.StringValue;
typeName = CompletionDataHelper.ResolveType(value.StringValue, context);
}
if (typeName != null)
{
switch (context.Attribute.Name)
{
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
{
break;
}
string name = propType.StringValue;
if (!name.Contains("."))
{
name = typeNameString + "." + name;
}
context.Description = XamlContextDescription.AtTag;
var member = XamlResolver.Resolve(name, context) as MemberResolveResult;
if (member == null || member.ResolvedMember == null)
{
break;
}
completionList.Items.AddRange(
CompletionDataHelper.MemberCompletion(context, member.ResolvedMember.ReturnType, string.Empty)
);
break;
}
}
}
bool DoStaticExtensionCompletion(XamlCompletionItemList list, XamlCompletionContext context)
{
AttributeValue selItem = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset)
.PositionalArguments.LastOrDefault();
var resolver = new XamlResolver(compilation);
if (context.PressedKey == '.')
{
if (selItem != null && selItem.IsString)
{
var rr = resolver.ResolveAttributeValue(selItem.StringValue, context) as TypeResolveResult;
if (rr != null)
{
list.Items.AddRange(MemberCompletion(context, rr.Type, string.Empty));
}
return(false);
}
}
else
{
if (selItem != null && selItem.IsString)
{
int index = selItem.StringValue.IndexOf('.');
string s = (index > -1) ? selItem.StringValue.Substring(0, index) : selItem.StringValue;
var rr = resolver.ResolveAttributeValue(s, context) as TypeResolveResult;
if (rr != null && rr.Type.Kind != TypeKind.Unknown)
{
list.Items.AddRange(MemberCompletion(context, rr.Type, (index == -1) ? "." : string.Empty));
list.PreselectionLength = (index > -1) ? selItem.StringValue.Length - index - 1 : 0;
return(false);
}
else
{
DoStaticTypeCompletion(selItem, list, context);
}
}
else
{
DoStaticTypeCompletion(selItem, list, context);
}
}
return(true);
}
/// <remarks>returns true if elements from named args completion should be added afterwards.</remarks>
bool DoPositionalArgsCompletion(XamlCompletionItemList list, XamlCompletionContext context, MarkupExtensionInfo markup, IType type)
{
switch (type.FullName)
{
case "System.Windows.Markup.ArrayExtension":
case "System.Windows.Markup.NullExtension":
// x:Null/x:Array does not need completion, ignore it
break;
case "System.Windows.Markup.StaticExtension":
if (context.AttributeValue.ExtensionValue.PositionalArguments.Count <= 1)
{
return(DoStaticExtensionCompletion(list, context));
}
break;
case "System.Windows.Markup.TypeExtension":
if (context.AttributeValue.ExtensionValue.PositionalArguments.Count <= 1)
{
list.Items.AddRange(GetClassesFromContext(context).FlattenToList());
AttributeValue selItem = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset)
.PositionalArguments.LastOrDefault();
string word = context.Editor.GetWordBeforeCaret().TrimEnd();
if (selItem != null && selItem.IsString && word == selItem.StringValue)
{
list.PreselectionLength = selItem.StringValue.Length;
}
}
break;
default:
var ctors = type.GetMethods(m => m.IsPublic && m.IsConstructor && m.Parameters.Count >= markup.PositionalArguments.Count + 1);
if (context.Forced)
{
return(true);
}
if (ctors.Any() || markup.PositionalArguments.Count == 0)
{
return(false);
}
break;
}
return(true);
}
public ICompletionItemList CreateMarkupExtensionCompletion(XamlCompletionContext context)
{
var list = new XamlCompletionItemList(context);
compilation = SD.ParserService.GetCompilationForFile(context.Editor.FileName);
string visibleValue = context.RawAttributeValue.Substring(0, Utils.MinMax(context.ValueStartOffset, 0, context.RawAttributeValue.Length));
if (context.PressedKey == '=')
{
visibleValue += "=";
}
var markup = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset);
var resolver = new XamlResolver(compilation);
var type = resolver.ResolveExpression(markup.ExtensionType, context).Type;
if (type.Kind == TypeKind.Unknown)
{
type = resolver.ResolveExpression(markup.ExtensionType + "Extension", context).Type;
}
if (type.Kind == TypeKind.Unknown)
{
list.Items.AddRange(CreateListOfMarkupExtensions(context));
list.PreselectionLength = markup.ExtensionType.Length;
}
else
{
if (markup.NamedArguments.Count == 0)
{
if (DoPositionalArgsCompletion(list, context, markup, type))
{
DoNamedArgsCompletion(list, context, type, markup);
}
}
else
{
DoNamedArgsCompletion(list, context, type, markup);
}
}
list.SortItems();
return(list);
}
void DoTriggerCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
bool isExplicit;
AttributeValue value = MarkupExtensionParser.ParseValue(Utils.LookForTargetTypeValue(context, out isExplicit, "Trigger") ?? string.Empty);
string typeNameString;
var rr = resolver.ResolveAttributeValue(context, value, out typeNameString);
var typeName = rr.Type;
if (typeName != null)
{
switch (context.Attribute.Name)
{
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
{
break;
}
string name = propType.StringValue;
if (!name.Contains("."))
{
name = typeNameString + "." + name;
}
context.Description = XamlContextDescription.AtTag;
var mrr = resolver.ResolveExpression(name, context) as MemberResolveResult;
if (mrr == null || mrr.Member == null)
{
break;
}
completionList.Items.AddRange(
generator.MemberCompletion(context, mrr.Member.ReturnType, string.Empty)
);
break;
}
}
}
static bool DoMarkupExtensionCompletion(XamlCompletionContext context)
{
if (context.Description == XamlContextDescription.InMarkupExtension && context.AttributeValue != null && !context.AttributeValue.IsString)
{
if (!XamlBindingOptions.UseExtensionCompletion)
{
return(false);
}
XamlCompletionItemList completionList = CompletionDataHelper.CreateMarkupExtensionCompletion(context) as XamlCompletionItemList;
string word = context.Editor.GetWordBeforeCaretExtended();
if (context.PressedKey != '.' && context.PressedKey != '=' && !word.EndsWith(".") && completionList.PreselectionLength == 0)
{
completionList.PreselectionLength = word.Length;
}
var insightList = CompletionDataHelper.CreateMarkupExtensionInsight(context);
context.Editor.ShowInsightWindow(insightList);
context.Editor.ShowCompletionWindow(completionList);
return(completionList.Items.Any() || insightList.Any());
}
return(false);
}
void DoXmlAttributeCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
if (context.Attribute.Name == "xml:space")
{
completionList.Items.AddRange(new[] {
new XamlCompletionItem("preserve"),
new XamlCompletionItem("default")
});
}
if (context.Attribute.Prefix.Equals("xmlns", StringComparison.OrdinalIgnoreCase) ||
context.Attribute.Name.Equals("xmlns", StringComparison.OrdinalIgnoreCase))
{
completionList.Items.AddRange(generator.CreateListForXmlnsCompletion(compilation));
ICompletionListWindow window = context.Editor.ShowCompletionWindow(completionList);
if (window != null)
{
window.Width = 400;
}
}
}
void DoStaticTypeCompletion(AttributeValue selItem, XamlCompletionItemList list, XamlCompletionContext context)
{
var items = GetClassesFromContext(context);
foreach (var ns in items)
{
string key = ns.Key;
if (!string.IsNullOrEmpty(key))
{
key += ":";
}
list.Items.AddRange(
ns.Value
.Where(c => c.Fields.Any(f => f.IsStatic) || c.Properties.Any(p => p.IsStatic))
.Select(c => new XamlCompletionItem(key + c.Name, c))
);
}
if (selItem != null && selItem.IsString)
{
list.PreselectionLength = selItem.StringValue.Length;
}
}
void DoNamedArgsCompletion(XamlCompletionItemList list, XamlCompletionContext context, IType type, MarkupExtensionInfo markup)
{
if (markup.NamedArguments.Count > 0 && !context.Editor.GetWordBeforeCaret().StartsWith(",", StringComparison.OrdinalIgnoreCase))
{
int lastStart = markup.NamedArguments.Max(i => i.Value.StartOffset);
var item = markup.NamedArguments.First(p => p.Value.StartOffset == lastStart);
if (context.RawAttributeValue.EndsWith("=", StringComparison.OrdinalIgnoreCase) ||
(item.Value.IsString && item.Value.StringValue.EndsWith(context.Editor.GetWordBeforeCaretExtended(), StringComparison.Ordinal)))
{
var resolver = new XamlResolver(compilation);
MemberResolveResult mrr = resolver.ResolveAttributeValue(item.Key, context) as MemberResolveResult;
if (mrr != null && mrr.Member != null && mrr.Member.ReturnType != null)
{
IType memberType = mrr.Member.ReturnType;
list.Items.AddRange(MemberCompletion(context, memberType, string.Empty));
}
return;
}
}
list.Items.AddRange(type.GetProperties().Where(p => p.CanSet && p.IsPublic).Select(p => new XamlCompletionItem(p.Name + "=", p)));
}
bool DoAttributeCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
XamlAstResolver resolver = new XamlAstResolver(compilation, context.ParseInformation);
ITextEditor editor = context.Editor;
var mrr = resolver.ResolveAttribute(context.Attribute) as MemberResolveResult;
if (mrr != null && mrr.Type.Kind != TypeKind.Unknown)
{
completionList.Items.AddRange(generator.MemberCompletion(context, mrr.Type, string.Empty));
editor.ShowInsightWindow(generator.MemberInsight(mrr));
editor.ShowCompletionWindow(completionList);
switch (mrr.Type.FullName)
{
case "System.Windows.PropertyPath":
string start = editor.GetWordBeforeCaretExtended();
int index = start.LastIndexOfAny(PropertyPathTokenizer.ControlChars);
if (index + 1 < start.Length)
{
start = start.Substring(index + 1);
}
else
{
start = "";
}
completionList.PreselectionLength = start.Length;
break;
case "System.Windows.Media.FontFamily":
string text = context.ValueStartOffset > -1 ? context.RawAttributeValue.Substring(0, Math.Min(context.ValueStartOffset, context.RawAttributeValue.Length)) : "";
int lastComma = text.LastIndexOf(',');
completionList.PreselectionLength = lastComma == -1 ? context.ValueStartOffset : context.ValueStartOffset - lastComma - 1;
break;
}
}
return(completionList.Items.Any());
}
public XamlCompletionItemList CreateListForContext(XamlCompletionContext context)
{
XamlCompletionItemList list = new XamlCompletionItemList(context);
ITextEditor editor = context.Editor;
compilation = SD.ParserService.GetCompilationForFile(editor.FileName);
XamlAstResolver resolver = new XamlAstResolver(compilation, context.ParseInformation);
switch (context.Description) {
case XamlContextDescription.None:
if (context.Forced) {
list.Items.AddRange(standardElements);
list.Items.AddRange(CreateElementList(context, false));
AddClosingTagCompletion(context, list, resolver);
}
break;
case XamlContextDescription.AtTag:
if ((editor.Caret.Offset > 0 && editor.Document.GetCharAt(editor.Caret.Offset - 1) == '.') || context.PressedKey == '.') {
list.Items.AddRange(CreateAttributeList(context, false));
} else {
list.Items.AddRange(standardElements);
list.Items.AddRange(CreateElementList(context, false));
AddClosingTagCompletion(context, list, resolver);
}
break;
case XamlContextDescription.InTag:
string word = editor.GetWordBeforeCaretExtended();
if (context.PressedKey == '.' || word.Contains(".")) {
int pos = word.IndexOf(':');
string element = word.Substring(pos + 1, word.Length - pos - 1);
string className = word;
int propertyStart = element.IndexOf('.');
if (propertyStart != -1) {
element = element.Substring(0, propertyStart).TrimEnd('.');
className = className.Substring(0, propertyStart + pos + 1).TrimEnd('.');
}
int caretOffset = editor.Caret.Offset;
int offset = editor.Document.LastIndexOf(className, caretOffset - word.Length, word.Length, StringComparison.OrdinalIgnoreCase);
TextLocation loc = editor.Document.GetLocation(offset);
XamlFullParseInformation info = context.ParseInformation;
XamlResolver nameResolver = new XamlResolver(compilation);
TypeResolveResult trr = nameResolver.ResolveExpression(className, context) as TypeResolveResult;
ITypeDefinition typeClass = trr != null ? trr.Type.GetDefinition() : null;
if (typeClass != null && typeClass.HasAttached(true, true))
list.Items.AddRange(GetListOfAttached(context, typeClass, true, true));
} else {
list.Items.AddRange(CreateAttributeList(context, true));
list.Items.AddRange(standardAttributes);
}
break;
case XamlContextDescription.InAttributeValue:
new XamlCodeCompletionBinding().CtrlSpace(editor);
break;
}
list.SortItems();
return list;
}
void DoNamedArgsCompletion(XamlCompletionItemList list, XamlCompletionContext context, IType type, MarkupExtensionInfo markup)
{
if (markup.NamedArguments.Count > 0 && !context.Editor.GetWordBeforeCaret().StartsWith(",", StringComparison.OrdinalIgnoreCase)) {
int lastStart = markup.NamedArguments.Max(i => i.Value.StartOffset);
var item = markup.NamedArguments.First(p => p.Value.StartOffset == lastStart);
if (context.RawAttributeValue.EndsWith("=", StringComparison.OrdinalIgnoreCase) ||
(item.Value.IsString && item.Value.StringValue.EndsWith(context.Editor.GetWordBeforeCaretExtended(), StringComparison.Ordinal))) {
var resolver = new XamlResolver(compilation);
MemberResolveResult mrr = resolver.ResolveAttributeValue(item.Key, context) as MemberResolveResult;
if (mrr != null && mrr.Member != null && mrr.Member.ReturnType != null) {
IType memberType = mrr.Member.ReturnType;
list.Items.AddRange(MemberCompletion(context, memberType, string.Empty));
}
return;
}
}
list.Items.AddRange(type.GetProperties().Where(p => p.CanSet && p.IsPublic).Select(p => new XamlCompletionItem(p.Name + "=", p)));
}
public ICompletionItemList CreateMarkupExtensionCompletion(XamlCompletionContext context)
{
var list = new XamlCompletionItemList(context);
compilation = SD.ParserService.GetCompilationForFile(context.Editor.FileName);
string visibleValue = context.RawAttributeValue.Substring(0, Utils.MinMax(context.ValueStartOffset, 0, context.RawAttributeValue.Length));
if (context.PressedKey == '=')
visibleValue += "=";
var markup = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset);
var resolver = new XamlResolver(compilation);
var type = resolver.ResolveExpression(markup.ExtensionType, context).Type;
if (type.Kind == TypeKind.Unknown)
type = resolver.ResolveExpression(markup.ExtensionType + "Extension", context).Type;
if (type.Kind == TypeKind.Unknown) {
list.Items.AddRange(CreateListOfMarkupExtensions(context));
list.PreselectionLength = markup.ExtensionType.Length;
} else {
if (markup.NamedArguments.Count == 0) {
if (DoPositionalArgsCompletion(list, context, markup, type))
DoNamedArgsCompletion(list, context, type, markup);
} else
DoNamedArgsCompletion(list, context, type, markup);
}
list.SortItems();
return list;
}
void DoSetterAndEventSetterCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
bool isExplicit;
string element = context.ParentElement.Name.EndsWith("Trigger", StringComparison.Ordinal) ? "Trigger" : context.ParentElement.Name;
AttributeValue value = MarkupExtensionParser.ParseValue(Utils.LookForTargetTypeValue(context, out isExplicit, element) ?? string.Empty);
string typeNameString;
var rr = resolver.ResolveAttributeValue(context, value, out typeNameString);
IType typeName = rr.Type;
MemberResolveResult mrr;
switch (context.Attribute.Name)
{
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
{
break;
}
context.Description = XamlContextDescription.AtTag;
string name = propType.StringValue;
if (!name.Contains("."))
{
name = typeNameString + "." + name;
}
mrr = resolver.ResolveExpression(name, context) as MemberResolveResult;
if (mrr == null || mrr.Member == null)
{
break;
}
completionList.Items.AddRange(
generator.MemberCompletion(context, mrr.Member.ReturnType, string.Empty)
);
break;
case "Property":
completionList.Items.AddRange(
typeName.GetProperties()
.Where(p => p.IsPublic && p.CanSet)
.Select(prop => new XamlCompletionItem(prop))
);
break;
case "Event":
completionList.Items.AddRange(
typeName.GetEvents()
.Where(e => e.IsPublic)
.Select(evt => new XamlCompletionItem(evt))
);
break;
case "Handler":
var loc3 = context.Editor.Document.GetLocation(XmlParser.GetActiveElementStartIndex(context.Editor.Document.Text, context.Editor.Caret.Offset));
AttributeValue evtType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Event") ?? "");
if (!evtType.IsString)
{
break;
}
string evtName = evtType.StringValue;
if (!evtName.Contains("."))
{
evtName = typeNameString + "." + evtName;
}
mrr = resolver.ResolveExpression(evtName, context) as MemberResolveResult;
if (mrr == null)
{
break;
}
var member = mrr.Member as IEvent;
if (member == null)
{
break;
}
completionList.Items.AddRange(generator.FindMatchingEventHandlers(context, member, typeName.Name));
break;
}
}
static void DoSetterAndEventSetterCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
bool isExplicit;
string element = context.ParentElement.Name.EndsWith("Trigger") ? "Trigger" : context.ParentElement.Name;
AttributeValue value = MarkupExtensionParser.ParseValue(CompletionDataHelper.LookForTargetTypeValue(context, out isExplicit, element) ?? string.Empty);
IReturnType typeName = null;
string typeNameString = null;
if (!value.IsString)
{
typeNameString = CompletionDataHelper.GetTypeNameFromTypeExtension(value.ExtensionValue, context);
typeName = CompletionDataHelper.ResolveType(typeNameString, context);
}
else
{
typeNameString = value.StringValue;
typeName = CompletionDataHelper.ResolveType(value.StringValue, context);
}
if (typeName != null)
{
switch (context.Attribute.Name)
{
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
{
break;
}
context.Description = XamlContextDescription.AtTag;
string name = propType.StringValue;
if (!name.Contains("."))
{
name = typeNameString + "." + name;
}
var member = XamlResolver.Resolve(name, context) as MemberResolveResult;
if (member == null || member.ResolvedMember == null)
{
break;
}
completionList.Items.AddRange(
CompletionDataHelper.MemberCompletion(context, member.ResolvedMember.ReturnType, string.Empty)
);
break;
case "Property":
completionList.Items.AddRange(
typeName.GetProperties()
.Where(p => p.IsPublic && p.CanSet)
.Select(prop => new XamlCodeCompletionItem(prop))
);
break;
case "Event":
completionList.Items.AddRange(
typeName.GetEvents()
.Where(e => e.IsPublic)
.Select(evt => new XamlCodeCompletionItem(evt))
);
break;
case "Handler":
var loc3 = context.Editor.Document.OffsetToPosition(XmlParser.GetActiveElementStartIndex(context.Editor.Document.Text, context.Editor.Caret.Offset));
AttributeValue evtType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Event") ?? "");
if (!evtType.IsString)
{
break;
}
string evtName = evtType.StringValue;
if (!evtName.Contains("."))
{
evtName = typeNameString + "." + evtName;
}
var evtMember = XamlResolver.Resolve(evtName, context) as MemberResolveResult;
if (evtMember == null || evtMember.ResolvedMember == null || !(evtMember.ResolvedMember is IEvent) || evtMember.ResolvedMember.ReturnType == null)
{
break;
}
IClass c = (evtMember.ResolvedMember as IEvent).ReturnType.GetUnderlyingClass();
if (c == null)
{
break;
}
IMethod invoker = c.Methods.FirstOrDefault(m => m.Name == "Invoke");
if (invoker == null)
{
break;
}
completionList.Items.AddRange(
CompletionDataHelper.AddMatchingEventHandlers(context, invoker).Add(new NewEventCompletionItem(evtMember.ResolvedMember as IEvent, typeName.Name))
);
break;
}
}
}
public static XamlCompletionItemList CreateListForContext(XamlCompletionContext context)
{
XamlCompletionItemList list = new XamlCompletionItemList(context);
ParseInformation info = context.ParseInformation;
ITextEditor editor = context.Editor;
switch (context.Description) {
case XamlContextDescription.None:
if (context.Forced) {
list.Items.AddRange(standardElements);
list.Items.AddRange(CreateElementList(context, false, false));
AddClosingTagCompletion(context, list);
}
break;
case XamlContextDescription.AtTag:
if ((editor.Caret.Offset > 0 && editor.Document.GetCharAt(editor.Caret.Offset - 1) == '.') || context.PressedKey == '.') {
list.Items.AddRange(CreateAttributeList(context, false));
} else {
list.Items.AddRange(standardElements);
list.Items.AddRange(CreateElementList(context, false, false));
AddClosingTagCompletion(context, list);
}
break;
case XamlContextDescription.InTag:
DebugTimer.Start();
string word = context.Editor.GetWordBeforeCaretExtended();
if (context.PressedKey == '.' || word.Contains(".")) {
string ns = "";
int pos = word.IndexOf(':');
if (pos > -1)
ns = word.Substring(0, pos);
string element = word.Substring(pos + 1, word.Length - pos - 1);
string className = word;
int propertyStart = element.IndexOf('.');
if (propertyStart != -1) {
element = element.Substring(0, propertyStart).TrimEnd('.');
className = className.Substring(0, propertyStart + pos + 1).TrimEnd('.');
}
TypeResolveResult trr = XamlResolver.Resolve(className, context) as TypeResolveResult;
IClass typeClass = (trr != null && trr.ResolvedType != null) ? trr.ResolvedType.GetUnderlyingClass() : null;
if (typeClass != null && typeClass.HasAttached(true, true))
list.Items.AddRange(GetListOfAttached(context, element, ns, true, true));
} else {
QualifiedNameWithLocation last = context.ActiveElement.ToQualifiedName();
TypeResolveResult trr = XamlResolver.Resolve(last.Name, context) as TypeResolveResult;
IClass typeClass = (trr != null && trr.ResolvedType != null) ? trr.ResolvedType.GetUnderlyingClass() : null;
list.Items.AddRange(CreateAttributeList(context, true));
list.Items.AddRange(standardAttributes);
}
DebugTimer.Stop("CreateListForContext - InTag");
break;
case XamlContextDescription.InAttributeValue:
new XamlCodeCompletionBinding().CtrlSpace(editor);
break;
}
list.SortItems();
return list;
}
public bool CtrlSpace(ITextEditor editor)
{
XamlCompletionContext context = CompletionDataHelper.ResolveCompletionContext(editor, ' ');
context.Forced = trackForced;
if (context.Description == XamlContextDescription.InComment || context.Description == XamlContextDescription.InCData)
{
return(false);
}
if (context.ActiveElement != null)
{
if (!XmlParser.IsInsideAttributeValue(editor.Document.Text, editor.Caret.Offset) && context.Description != XamlContextDescription.InAttributeValue)
{
XamlCompletionItemList list = CompletionDataHelper.CreateListForContext(context);
string starter = editor.GetWordBeforeCaretExtended().TrimStart('/');
if (context.Description != XamlContextDescription.None && !string.IsNullOrEmpty(starter))
{
if (starter.Contains("."))
{
list.PreselectionLength = starter.Length - starter.IndexOf('.') - 1;
}
else
{
list.PreselectionLength = starter.Length;
}
}
editor.ShowCompletionWindow(list);
return(true);
}
else
{
// DO NOT USE CompletionDataHelper.CreateListForContext here!!! results in endless recursion!!!!
if (context.Attribute != null)
{
if (!DoMarkupExtensionCompletion(context))
{
var completionList = new XamlCompletionItemList(context);
completionList.PreselectionLength = editor.GetWordBeforeCaretExtended().Length;
if ((context.ActiveElement.Name == "Setter" || context.ActiveElement.Name == "EventSetter") &&
(context.Attribute.Name == "Property" || context.Attribute.Name == "Value"))
{
DoSetterAndEventSetterCompletion(context, completionList);
}
else if ((context.ActiveElement.Name.EndsWith("Trigger") || context.ActiveElement.Name == "Condition") && context.Attribute.Name == "Value")
{
DoTriggerCompletion(context, completionList);
}
else
{
if (context.Attribute.Name == "xml:space")
{
completionList.Items.AddRange(new[] { new SpecialCompletionItem("preserve"),
new SpecialCompletionItem("default") });
}
var mrr = XamlResolver.Resolve(context.Attribute.Name, context) as MemberResolveResult;
if (mrr != null && mrr.ResolvedType != null)
{
completionList.Items.AddRange(CompletionDataHelper.MemberCompletion(context, mrr.ResolvedType, string.Empty));
editor.ShowInsightWindow(CompletionDataHelper.MemberInsight(mrr));
if (mrr.ResolvedType.FullyQualifiedName == "System.Windows.PropertyPath")
{
string start = editor.GetWordBeforeCaretExtended();
int index = start.LastIndexOfAny(PropertyPathTokenizer.ControlChars);
if (index + 1 < start.Length)
{
start = start.Substring(index + 1);
}
else
{
start = "";
}
completionList.PreselectionLength = start.Length;
}
else if (mrr.ResolvedType.FullyQualifiedName == "System.Windows.Media.FontFamily")
{
string text = context.ValueStartOffset > -1 ? context.RawAttributeValue.Substring(0, Math.Min(context.ValueStartOffset, context.RawAttributeValue.Length)) : "";
int lastComma = text.LastIndexOf(',');
completionList.PreselectionLength = lastComma == -1 ? context.ValueStartOffset : context.ValueStartOffset - lastComma - 1;
}
}
}
completionList.SortItems();
if (context.Attribute.Prefix.Equals("xmlns", StringComparison.OrdinalIgnoreCase) ||
context.Attribute.Name.Equals("xmlns", StringComparison.OrdinalIgnoreCase))
{
completionList.Items.AddRange(CompletionDataHelper.CreateListForXmlnsCompletion(context.ProjectContent));
}
ICompletionListWindow window = editor.ShowCompletionWindow(completionList);
if ((context.Attribute.Prefix.Equals("xmlns", StringComparison.OrdinalIgnoreCase) ||
context.Attribute.Name.Equals("xmlns", StringComparison.OrdinalIgnoreCase)) && window != null)
{
window.Width = 400;
}
return(completionList.Items.Any());
}
return(true);
}
}
}
return(false);
}
static void AddClosingTagCompletion(XamlCompletionContext context, XamlCompletionItemList list)
{
if (context.ParentElement != null && !context.InRoot) {
ResolveResult rr = XamlResolver.Resolve(context.ParentElement.Name, context);
TypeResolveResult trr = rr as TypeResolveResult;
MemberResolveResult mrr = rr as MemberResolveResult;
if (trr != null) {
if (trr.ResolvedClass == null)
return;
list.Items.Add(new XamlCodeCompletionItem("/" + context.ParentElement.Name, trr.ResolvedClass));
} else if (mrr != null) {
if (mrr.ResolvedMember == null)
return;
list.Items.Add(new XamlCodeCompletionItem("/" + context.ParentElement.Name, mrr.ResolvedMember));
}
}
}
void DoTriggerCompletion(XamlCompletionContext context, XamlCompletionItemList completionList) {
bool isExplicit;
AttributeValue value = MarkupExtensionParser.ParseValue(Utils.LookForTargetTypeValue(context, out isExplicit, "Trigger") ?? string.Empty);
string typeNameString;
var rr = resolver.ResolveAttributeValue(context, value, out typeNameString);
var typeName = rr.Type;
if (typeName != null) {
switch (context.Attribute.Name) {
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
break;
string name = propType.StringValue;
if (!name.Contains("."))
name = typeNameString + "." + name;
context.Description = XamlContextDescription.AtTag;
var mrr = resolver.ResolveExpression(name, context) as MemberResolveResult;
if (mrr == null || mrr.Member == null)
break;
completionList.Items.AddRange(
generator.MemberCompletion(context, mrr.Member.ReturnType, string.Empty)
);
break;
}
}
}
void DoStaticTypeCompletion(AttributeValue selItem, XamlCompletionItemList list, XamlCompletionContext context)
{
var items = GetClassesFromContext(context);
foreach (var ns in items) {
string key = ns.Key;
if (!string.IsNullOrEmpty(key)) key += ":";
list.Items.AddRange(
ns.Value
.Where(c => c.Fields.Any(f => f.IsStatic) || c.Properties.Any(p => p.IsStatic))
.Select(c => new XamlCompletionItem(key + c.Name, c))
);
}
if (selItem != null && selItem.IsString) {
list.PreselectionLength = selItem.StringValue.Length;
}
}
/// <remarks>returns true if elements from named args completion should be added afterwards.</remarks>
bool DoPositionalArgsCompletion(XamlCompletionItemList list, XamlCompletionContext context, MarkupExtensionInfo markup, IType type)
{
switch (type.FullName) {
case "System.Windows.Markup.ArrayExtension":
case "System.Windows.Markup.NullExtension":
// x:Null/x:Array does not need completion, ignore it
break;
case "System.Windows.Markup.StaticExtension":
if (context.AttributeValue.ExtensionValue.PositionalArguments.Count <= 1)
return DoStaticExtensionCompletion(list, context);
break;
case "System.Windows.Markup.TypeExtension":
if (context.AttributeValue.ExtensionValue.PositionalArguments.Count <= 1) {
list.Items.AddRange(GetClassesFromContext(context).FlattenToList());
AttributeValue selItem = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset)
.PositionalArguments.LastOrDefault();
string word = context.Editor.GetWordBeforeCaret().TrimEnd();
if (selItem != null && selItem.IsString && word == selItem.StringValue) {
list.PreselectionLength = selItem.StringValue.Length;
}
}
break;
default:
var ctors = type.GetMethods(m => m.IsPublic && m.IsConstructor && m.Parameters.Count >= markup.PositionalArguments.Count + 1);
if (context.Forced)
return true;
if (ctors.Any() || markup.PositionalArguments.Count == 0)
return false;
break;
}
return true;
}
public XamlCompletionItemList CreateListForContext(XamlCompletionContext context)
{
XamlCompletionItemList list = new XamlCompletionItemList(context);
ITextEditor editor = context.Editor;
compilation = SD.ParserService.GetCompilationForFile(editor.FileName);
XamlAstResolver resolver = new XamlAstResolver(compilation, context.ParseInformation);
switch (context.Description)
{
case XamlContextDescription.None:
if (context.Forced)
{
list.Items.AddRange(standardElements);
list.Items.AddRange(CreateElementList(context, false));
AddClosingTagCompletion(context, list, resolver);
}
break;
case XamlContextDescription.AtTag:
if ((editor.Caret.Offset > 0 && editor.Document.GetCharAt(editor.Caret.Offset - 1) == '.') || context.PressedKey == '.')
{
list.Items.AddRange(CreateAttributeList(context, false));
}
else
{
list.Items.AddRange(standardElements);
list.Items.AddRange(CreateElementList(context, false));
AddClosingTagCompletion(context, list, resolver);
}
break;
case XamlContextDescription.InTag:
string word = editor.GetWordBeforeCaretExtended();
if (context.PressedKey == '.' || word.Contains("."))
{
int pos = word.IndexOf(':');
string element = word.Substring(pos + 1, word.Length - pos - 1);
string className = word;
int propertyStart = element.IndexOf('.');
if (propertyStart != -1)
{
element = element.Substring(0, propertyStart).TrimEnd('.');
className = className.Substring(0, propertyStart + pos + 1).TrimEnd('.');
}
int caretOffset = editor.Caret.Offset;
int offset = editor.Document.LastIndexOf(className, caretOffset - word.Length, word.Length, StringComparison.OrdinalIgnoreCase);
TextLocation loc = editor.Document.GetLocation(offset);
XamlFullParseInformation info = context.ParseInformation;
XamlResolver nameResolver = new XamlResolver(compilation);
TypeResolveResult trr = nameResolver.ResolveExpression(className, context) as TypeResolveResult;
ITypeDefinition typeClass = trr != null?trr.Type.GetDefinition() : null;
if (typeClass != null && typeClass.HasAttached(true, true))
{
list.Items.AddRange(GetListOfAttached(context, typeClass, true, true));
}
}
else
{
list.Items.AddRange(CreateAttributeList(context, true));
list.Items.AddRange(standardAttributes);
}
break;
case XamlContextDescription.InAttributeValue:
new XamlCodeCompletionBinding().CtrlSpace(editor);
break;
}
list.SortItems();
return(list);
}
static void DoSetterAndEventSetterCompletion(XamlCompletionContext context, XamlCompletionItemList completionList) {
bool isExplicit;
string element = context.ParentElement.Name.EndsWith("Trigger") ? "Trigger" : context.ParentElement.Name;
AttributeValue value = MarkupExtensionParser.ParseValue(CompletionDataHelper.LookForTargetTypeValue(context, out isExplicit, element) ?? string.Empty);
IReturnType typeName = null;
string typeNameString = null;
if (!value.IsString) {
typeNameString = CompletionDataHelper.GetTypeNameFromTypeExtension(value.ExtensionValue, context);
typeName = CompletionDataHelper.ResolveType(typeNameString, context);
} else {
typeNameString = value.StringValue;
typeName = CompletionDataHelper.ResolveType(value.StringValue, context);
}
if (typeName != null) {
switch (context.Attribute.Name) {
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
break;
context.Description = XamlContextDescription.AtTag;
string name = propType.StringValue;
if (!name.Contains("."))
name = typeNameString + "." + name;
var member = XamlResolver.Resolve(name, context) as MemberResolveResult;
if (member == null || member.ResolvedMember == null)
break;
completionList.Items.AddRange(
CompletionDataHelper.MemberCompletion(context, member.ResolvedMember.ReturnType, string.Empty)
);
break;
case "Property":
completionList.Items.AddRange(
typeName.GetProperties()
.Where(p => p.IsPublic && p.CanSet)
.Select(prop => new XamlCodeCompletionItem(prop))
);
break;
case "Event":
completionList.Items.AddRange(
typeName.GetEvents()
.Where(e => e.IsPublic)
.Select(evt => new XamlCodeCompletionItem(evt))
);
break;
case "Handler":
var loc3 = context.Editor.Document.OffsetToPosition(XmlParser.GetActiveElementStartIndex(context.Editor.Document.Text, context.Editor.Caret.Offset));
AttributeValue evtType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Event") ?? "");
if (!evtType.IsString)
break;
string evtName = evtType.StringValue;
if (!evtName.Contains("."))
evtName = typeNameString + "." + evtName;
var evtMember = XamlResolver.Resolve(evtName, context) as MemberResolveResult;
if (evtMember == null || evtMember.ResolvedMember == null || !(evtMember.ResolvedMember is IEvent) || evtMember.ResolvedMember.ReturnType == null)
break;
IClass c = (evtMember.ResolvedMember as IEvent).ReturnType.GetUnderlyingClass();
if (c == null)
break;
IMethod invoker = c.Methods.FirstOrDefault(m => m.Name == "Invoke");
if (invoker == null)
break;
completionList.Items.AddRange(
CompletionDataHelper.AddMatchingEventHandlers(context, invoker).Add(new NewEventCompletionItem(evtMember.ResolvedMember as IEvent, typeName.Name))
);
break;
}
}
}
static void DoTriggerCompletion(XamlCompletionContext context, XamlCompletionItemList completionList) {
bool isExplicit;
AttributeValue value = MarkupExtensionParser.ParseValue(CompletionDataHelper.LookForTargetTypeValue(context, out isExplicit, "Trigger") ?? string.Empty);
IReturnType typeName = null;
string typeNameString = null;
if (!value.IsString) {
typeNameString = CompletionDataHelper.GetTypeNameFromTypeExtension(value.ExtensionValue, context);
typeName = CompletionDataHelper.ResolveType(typeNameString, context);
} else {
typeNameString = value.StringValue;
typeName = CompletionDataHelper.ResolveType(value.StringValue, context);
}
if (typeName != null) {
switch (context.Attribute.Name) {
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
break;
string name = propType.StringValue;
if (!name.Contains("."))
name = typeNameString + "." + name;
context.Description = XamlContextDescription.AtTag;
var member = XamlResolver.Resolve(name, context) as MemberResolveResult;
if (member == null || member.ResolvedMember == null)
break;
completionList.Items.AddRange(
CompletionDataHelper.MemberCompletion(context, member.ResolvedMember.ReturnType, string.Empty)
);
break;
}
}
}
public bool CtrlSpace(ITextEditor editor)
{
XamlCompletionContext context = CompletionDataHelper.ResolveCompletionContext(editor, ' ');
context.Forced = trackForced;
if (context.Description == XamlContextDescription.InComment || context.Description == XamlContextDescription.InCData)
return false;
if (context.ActiveElement != null) {
if (!XmlParser.IsInsideAttributeValue(editor.Document.Text, editor.Caret.Offset) && context.Description != XamlContextDescription.InAttributeValue) {
XamlCompletionItemList list = CompletionDataHelper.CreateListForContext(context);
string starter = editor.GetWordBeforeCaretExtended().TrimStart('/');
if (context.Description != XamlContextDescription.None && !string.IsNullOrEmpty(starter)) {
if (starter.Contains("."))
list.PreselectionLength = starter.Length - starter.IndexOf('.') - 1;
else
list.PreselectionLength = starter.Length;
}
editor.ShowCompletionWindow(list);
return true;
} else {
// DO NOT USE CompletionDataHelper.CreateListForContext here!!! results in endless recursion!!!!
if (context.Attribute != null) {
if (!DoMarkupExtensionCompletion(context)) {
var completionList = new XamlCompletionItemList(context);
completionList.PreselectionLength = editor.GetWordBeforeCaretExtended().Length;
if ((context.ActiveElement.Name == "Setter" || context.ActiveElement.Name == "EventSetter") &&
(context.Attribute.Name == "Property" || context.Attribute.Name == "Value"))
DoSetterAndEventSetterCompletion(context, completionList);
else if ((context.ActiveElement.Name.EndsWith("Trigger") || context.ActiveElement.Name == "Condition") && context.Attribute.Name == "Value")
DoTriggerCompletion(context, completionList);
else {
if (context.Attribute.Name == "xml:space") {
completionList.Items.AddRange(new[] { new SpecialCompletionItem("preserve"),
new SpecialCompletionItem("default") });
}
var mrr = XamlResolver.Resolve(context.Attribute.Name, context) as MemberResolveResult;
if (mrr != null && mrr.ResolvedType != null) {
completionList.Items.AddRange(CompletionDataHelper.MemberCompletion(context, mrr.ResolvedType, string.Empty));
editor.ShowInsightWindow(CompletionDataHelper.MemberInsight(mrr));
if (mrr.ResolvedType.FullyQualifiedName == "System.Windows.PropertyPath") {
string start = editor.GetWordBeforeCaretExtended();
int index = start.LastIndexOfAny(PropertyPathTokenizer.ControlChars);
if (index + 1 < start.Length)
start = start.Substring(index + 1);
else
start = "";
completionList.PreselectionLength = start.Length;
} else if (mrr.ResolvedType.FullyQualifiedName == "System.Windows.Media.FontFamily") {
string text = context.ValueStartOffset > -1 ? context.RawAttributeValue.Substring(0, Math.Min(context.ValueStartOffset + 1, context.RawAttributeValue.Length)) : "";
int lastComma = text.LastIndexOf(',');
completionList.PreselectionLength = lastComma == -1 ? context.ValueStartOffset + 1 : context.ValueStartOffset - lastComma;
}
}
}
completionList.SortItems();
if (context.Attribute.Prefix.Equals("xmlns", StringComparison.OrdinalIgnoreCase) ||
context.Attribute.Name.Equals("xmlns", StringComparison.OrdinalIgnoreCase))
completionList.Items.AddRange(CompletionDataHelper.CreateListForXmlnsCompletion(context.ProjectContent));
ICompletionListWindow window = editor.ShowCompletionWindow(completionList);
if ((context.Attribute.Prefix.Equals("xmlns", StringComparison.OrdinalIgnoreCase) ||
context.Attribute.Name.Equals("xmlns", StringComparison.OrdinalIgnoreCase)) && window != null)
window.Width = 400;
return completionList.Items.Any();
}
return true;
}
}
}
return false;
}
bool DoStaticExtensionCompletion(XamlCompletionItemList list, XamlCompletionContext context)
{
AttributeValue selItem = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset)
.PositionalArguments.LastOrDefault();
var resolver = new XamlResolver(compilation);
if (context.PressedKey == '.') {
if (selItem != null && selItem.IsString) {
var rr = resolver.ResolveAttributeValue(selItem.StringValue, context) as TypeResolveResult;
if (rr != null)
list.Items.AddRange(MemberCompletion(context, rr.Type, string.Empty));
return false;
}
} else {
if (selItem != null && selItem.IsString) {
int index = selItem.StringValue.IndexOf('.');
string s = (index > -1) ? selItem.StringValue.Substring(0, index) : selItem.StringValue;
var rr = resolver.ResolveAttributeValue(s, context) as TypeResolveResult;
if (rr != null && rr.Type.Kind != TypeKind.Unknown) {
list.Items.AddRange(MemberCompletion(context, rr.Type, (index == -1) ? "." : string.Empty));
list.PreselectionLength = (index > -1) ? selItem.StringValue.Length - index - 1 : 0;
return false;
} else
DoStaticTypeCompletion(selItem, list, context);
} else {
DoStaticTypeCompletion(selItem, list, context);
}
}
return true;
}
bool DoAttributeCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
XamlAstResolver resolver = new XamlAstResolver(compilation, context.ParseInformation);
ITextEditor editor = context.Editor;
var mrr = resolver.ResolveAttribute(context.Attribute) as MemberResolveResult;
if (mrr != null && mrr.Type.Kind != TypeKind.Unknown) {
completionList.Items.AddRange(generator.MemberCompletion(context, mrr.Type, string.Empty));
editor.ShowInsightWindow(generator.MemberInsight(mrr));
editor.ShowCompletionWindow(completionList);
switch (mrr.Type.FullName) {
case "System.Windows.PropertyPath":
string start = editor.GetWordBeforeCaretExtended();
int index = start.LastIndexOfAny(PropertyPathTokenizer.ControlChars);
if (index + 1 < start.Length) {
start = start.Substring(index + 1);
}
else {
start = "";
}
completionList.PreselectionLength = start.Length;
break;
case "System.Windows.Media.FontFamily":
string text = context.ValueStartOffset > -1 ? context.RawAttributeValue.Substring(0, Math.Min(context.ValueStartOffset, context.RawAttributeValue.Length)) : "";
int lastComma = text.LastIndexOf(',');
completionList.PreselectionLength = lastComma == -1 ? context.ValueStartOffset : context.ValueStartOffset - lastComma - 1;
break;
}
}
return completionList.Items.Any();
}
bool CtrlSpace(ITextEditor editor, XamlCompletionContext context)
{
if (context.Description == XamlContextDescription.InComment
|| context.Description == XamlContextDescription.InCData
|| context.ActiveElement == null) {
return false;
}
if (!context.InAttributeValueOrMarkupExtension) {
XamlCompletionItemList list = generator.CreateListForContext(context);
string starter = editor.GetWordBeforeCaretExtended().TrimStart('/');
if (context.Description != XamlContextDescription.None && !string.IsNullOrEmpty(starter)) {
if (starter.Contains(".")) {
list.PreselectionLength = starter.Length - starter.IndexOf('.') - 1;
} else {
list.PreselectionLength = starter.Length;
}
}
editor.ShowCompletionWindow(list);
return true;
}
// DO NOT USE generator.CreateListForContext here!!! results in endless recursion!!!!
if (context.Attribute != null) {
if (!DoMarkupExtensionCompletion(context)) {
var completionList = new XamlCompletionItemList(context);
completionList.PreselectionLength = editor.GetWordBeforeCaretExtended().Length;
if ((context.ActiveElement.Name == "Setter" || context.ActiveElement.Name == "EventSetter") && (context.Attribute.Name == "Property" || context.Attribute.Name == "Value")) {
DoSetterAndEventSetterCompletion(context, completionList);
editor.ShowCompletionWindow(completionList);
} else if ((context.ActiveElement.Name.EndsWith("Trigger", StringComparison.Ordinal) || context.ActiveElement.Name == "Condition") && context.Attribute.Name == "Value") {
DoTriggerCompletion(context, completionList);
editor.ShowCompletionWindow(completionList);
} else if (!DoAttributeCompletion(context, completionList)) {
DoXmlAttributeCompletion(context, completionList);
}
return completionList.Items.Any();
}
return true;
}
return false;
}
void DoSetterAndEventSetterCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
string typeNameString;
int dotIndex;
IType typeName = ResolveTargetType(context, out typeNameString, out dotIndex,
string.Equals(context.Attribute.Name, "Property")
|| string.Equals(context.Attribute.Name, "Event"));
MemberResolveResult mrr;
switch (context.Attribute.Name) {
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
break;
context.Description = XamlContextDescription.AtTag;
string name = propType.StringValue;
if (!name.Contains("."))
name = typeNameString + "." + name;
mrr = resolver.ResolveExpression(name, context) as MemberResolveResult;
if (mrr == null || mrr.Member == null)
break;
completionList.Items.AddRange(
generator.MemberCompletion(context, mrr.Member.ReturnType, string.Empty)
);
break;
case "Property":
completionList.Items.AddRange(
typeName.GetProperties()
.Where(p => p.IsPublic && p.CanSet)
.Select(prop => new XamlCompletionItem(prop))
);
if (dotIndex == -1) {
completionList.Items.AddRange(
generator.GetTypesForPropEventNameCompletion(context, true)
);
}
break;
case "Event":
completionList.Items.AddRange(
typeName.GetEvents()
.Where(e => e.IsPublic)
.Select(evt => new XamlCompletionItem(evt))
);
if (dotIndex == -1) {
completionList.Items.AddRange(
generator.GetTypesForPropEventNameCompletion(context, true)
);
}
break;
case "Handler":
var loc3 = context.Editor.Document.GetLocation(XmlParser.GetActiveElementStartIndex(context.Editor.Document.Text, context.Editor.Caret.Offset));
AttributeValue evtType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Event") ?? "");
if (!evtType.IsString)
break;
string evtName = evtType.StringValue;
if (!evtName.Contains("."))
evtName = typeNameString + "." + evtName;
mrr = resolver.ResolveExpression(evtName, context) as MemberResolveResult;
if (mrr == null) break;
var member = mrr.Member as IEvent;
if (member == null) break;
completionList.Items.AddRange(generator.FindMatchingEventHandlers(context, member, typeName.Name));
break;
}
}
void DoSetterAndEventSetterCompletion(XamlCompletionContext context, XamlCompletionItemList completionList) {
bool isExplicit;
string element = context.ParentElement.Name.EndsWith("Trigger", StringComparison.Ordinal) ? "Trigger" : context.ParentElement.Name;
AttributeValue value = MarkupExtensionParser.ParseValue(Utils.LookForTargetTypeValue(context, out isExplicit, element) ?? string.Empty);
string typeNameString;
var rr = resolver.ResolveAttributeValue(context, value, out typeNameString);
IType typeName = rr.Type;
MemberResolveResult mrr;
switch (context.Attribute.Name) {
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
break;
context.Description = XamlContextDescription.AtTag;
string name = propType.StringValue;
if (!name.Contains("."))
name = typeNameString + "." + name;
mrr = resolver.ResolveExpression(name, context) as MemberResolveResult;
if (mrr == null || mrr.Member == null)
break;
completionList.Items.AddRange(
generator.MemberCompletion(context, mrr.Member.ReturnType, string.Empty)
);
break;
case "Property":
completionList.Items.AddRange(
typeName.GetProperties()
.Where(p => p.IsPublic && p.CanSet)
.Select(prop => new XamlCompletionItem(prop))
);
break;
case "Event":
completionList.Items.AddRange(
typeName.GetEvents()
.Where(e => e.IsPublic)
.Select(evt => new XamlCompletionItem(evt))
);
break;
case "Handler":
var loc3 = context.Editor.Document.GetLocation(XmlParser.GetActiveElementStartIndex(context.Editor.Document.Text, context.Editor.Caret.Offset));
AttributeValue evtType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Event") ?? "");
if (!evtType.IsString)
break;
string evtName = evtType.StringValue;
if (!evtName.Contains("."))
evtName = typeNameString + "." + evtName;
mrr = resolver.ResolveExpression(evtName, context) as MemberResolveResult;
if (mrr == null) break;
var member = mrr.Member as IEvent;
if (member == null) break;
completionList.Items.AddRange(generator.FindMatchingEventHandlers(context, member, typeName.Name));
break;
}
}
public static ICompletionItemList CreateMarkupExtensionCompletion(XamlCompletionContext context)
{
var list = new XamlCompletionItemList(context);
string visibleValue = context.RawAttributeValue.Substring(0, Utils.MinMax(context.ValueStartOffset, 0, context.RawAttributeValue.Length));
if (context.PressedKey == '=')
visibleValue += "=";
// context.RawAttributeValue = visibleValue;
// context.AttributeValue = MarkupExtensionParser.ParseValue(visibleValue);
var markup = Utils.GetMarkupExtensionAtPosition(context.AttributeValue.ExtensionValue, context.ValueStartOffset);
var type = ResolveType(markup.ExtensionType, context) ?? ResolveType(markup.ExtensionType + "Extension", context);
if (type == null) {
list.Items.AddRange(CreateListOfMarkupExtensions(context));
list.PreselectionLength = markup.ExtensionType.Length;
} else {
if (markup.NamedArguments.Count == 0) {
if (DoPositionalArgsCompletion(list, context, markup, type))
DoNamedArgsCompletion(list, context, type, markup);
} else
DoNamedArgsCompletion(list, context, type, markup);
}
list.SortItems();
return list;
}
void DoXmlAttributeCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
if (context.Attribute.Name == "xml:space") {
completionList.Items.AddRange(new[] {
new XamlCompletionItem("preserve"),
new XamlCompletionItem("default")
});
}
if (context.Attribute.Prefix.Equals("xmlns", StringComparison.OrdinalIgnoreCase) ||
context.Attribute.Name.Equals("xmlns", StringComparison.OrdinalIgnoreCase)) {
completionList.Items.AddRange(generator.CreateListForXmlnsCompletion(compilation));
ICompletionListWindow window = context.Editor.ShowCompletionWindow(completionList);
if (window != null) {
window.Width = 400;
}
}
}
void DoSetterAndEventSetterCompletion(XamlCompletionContext context, XamlCompletionItemList completionList)
{
string typeNameString;
int dotIndex;
IType typeName = ResolveTargetType(context, out typeNameString, out dotIndex,
string.Equals(context.Attribute.Name, "Property") ||
string.Equals(context.Attribute.Name, "Event"));
MemberResolveResult mrr;
switch (context.Attribute.Name)
{
case "Value":
AttributeValue propType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Property") ?? "");
if (!propType.IsString)
{
break;
}
context.Description = XamlContextDescription.AtTag;
string name = propType.StringValue;
if (!name.Contains("."))
{
name = typeNameString + "." + name;
}
mrr = resolver.ResolveExpression(name, context) as MemberResolveResult;
if (mrr == null || mrr.Member == null)
{
break;
}
completionList.Items.AddRange(
generator.MemberCompletion(context, mrr.Member.ReturnType, string.Empty)
);
break;
case "Property":
completionList.Items.AddRange(
typeName.GetProperties()
.Where(p => p.IsPublic && p.CanSet)
.Select(prop => new XamlCompletionItem(prop))
);
if (dotIndex == -1)
{
completionList.Items.AddRange(
generator.GetTypesForPropEventNameCompletion(context, true)
);
}
break;
case "Event":
completionList.Items.AddRange(
typeName.GetEvents()
.Where(e => e.IsPublic)
.Select(evt => new XamlCompletionItem(evt))
);
if (dotIndex == -1)
{
completionList.Items.AddRange(
generator.GetTypesForPropEventNameCompletion(context, true)
);
}
break;
case "Handler":
var loc3 = context.Editor.Document.GetLocation(XmlParser.GetActiveElementStartIndex(context.Editor.Document.Text, context.Editor.Caret.Offset));
AttributeValue evtType = MarkupExtensionParser.ParseValue(context.ActiveElement.GetAttributeValue("Event") ?? "");
if (!evtType.IsString)
{
break;
}
string evtName = evtType.StringValue;
if (!evtName.Contains("."))
{
evtName = typeNameString + "." + evtName;
}
mrr = resolver.ResolveExpression(evtName, context) as MemberResolveResult;
if (mrr == null)
{
break;
}
var member = mrr.Member as IEvent;
if (member == null)
{
break;
}
completionList.Items.AddRange(generator.FindMatchingEventHandlers(context, member, typeName.Name));
break;
}
}
