QmlJS: Complete '{' instad of ':' at the end of 'A on b' bindings.

Task-number: QTCREATORBUG-2642
Reviewed-by: Erik Verbruggen

src/libs/qmljs/qmljscompletioncontextfinder.cpp

@@ -132,7 +132,6 @@ void CompletionContextFinder::checkBinding()
     int i = m_startTokenIndex;
     int colonCount = 0;
     bool delimiterFound = false;
-    bool firstToken = true;
     bool identifierExpected = false;
     bool dotExpected = false;
     while (!delimiterFound) {
@@ -158,19 +157,19 @@ void CompletionContextFinder::checkBinding()
             ++colonCount;
             identifierExpected = true;
             dotExpected = false;
+            m_behaviorBinding = false;
             m_bindingPropertyName.clear();
             break;
 
         case Token::Identifier: {
             QStringRef tokenString = yyLine->midRef(token.begin(), token.length);
-            if (firstToken && tokenString == QLatin1String("on")) {
+            dotExpected = false;
-                m_behaviorBinding = true;
+            if (identifierExpected) {
-            } else if (identifierExpected) {
                 m_bindingPropertyName.prepend(tokenString.toString());
                 identifierExpected = false;
                 dotExpected = true;
-            } else {
+            } else if (tokenString == QLatin1String("on")) {
-                dotExpected = false;
+                m_behaviorBinding = true;
             }
         } break;
 
@@ -190,7 +189,6 @@ void CompletionContextFinder::checkBinding()
         }
 
         --i;
-        firstToken = false;
     }
 
     YY_RESTORE();

src/plugins/qmljseditor/qmljscodecompletion.cpp

@@ -678,7 +678,7 @@ void CodeCompletion::addCompletions(const QStringList &newCompletions,
 
 void CodeCompletion::addCompletionsPropertyLhs(
         const QHash<QString, const Interpreter::Value *> &newCompletions,
-        const QIcon &icon, int order)
+        const QIcon &icon, int order, bool afterOn)
 {
     QHashIterator<QString, const Interpreter::Value *> it(newCompletions);
     while (it.hasNext()) {
@@ -686,15 +686,19 @@ void CodeCompletion::addCompletionsPropertyLhs(
 
         TextEditor::CompletionItem item(this);
         item.text = it.key();
+
+        QLatin1String postfix(": ");
+        if (afterOn)
+            postfix = QLatin1String(" {");
         if (const Interpreter::QmlObjectValue *qmlValue = dynamic_cast<const Interpreter::QmlObjectValue *>(it.value())) {
             // to distinguish "anchors." from "gradient:" we check if the right hand side
             // type is instantiatable or is the prototype of an instantiatable object
             if (qmlValue->hasChildInPackage())
-                item.text.append(QLatin1String(": "));
+                item.text.append(postfix);
             else
                 item.text.append(QLatin1Char('.'));
         } else {
-            item.text.append(QLatin1String(": "));
+            item.text.append(postfix);
         }
         item.icon = icon;
         item.order = order;
@@ -817,7 +821,7 @@ int CodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
             idPropertyCompletion.order = PropertyOrder;
             m_completions.append(idPropertyCompletion);
 
-            addCompletionsPropertyLhs(enumerateProperties(qmlScopeType), symbolIcon, PropertyOrder);
+            addCompletionsPropertyLhs(enumerateProperties(qmlScopeType), symbolIcon, PropertyOrder, contextFinder.isAfterOnInLhsOfBinding());
             if (const Interpreter::ObjectValue *qmlTypes = context->scopeChain().qmlTypes)
                 addCompletions(enumerateProperties(qmlTypes), symbolIcon, TypeOrder);
 
@@ -895,7 +899,7 @@ int CodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
             if (value && completionOperator == QLatin1Char('.')) { // member completion
                 EnumerateProperties enumerateProperties(context);
                 if (contextFinder.isInLhsOfBinding() && qmlScopeType && expressionUnderCursor.text().at(0).isLower())
-                    addCompletionsPropertyLhs(enumerateProperties(value), symbolIcon, PropertyOrder);
+                    addCompletionsPropertyLhs(enumerateProperties(value), symbolIcon, PropertyOrder, contextFinder.isAfterOnInLhsOfBinding());
                 else
                     addCompletions(enumerateProperties(value), symbolIcon, SymbolOrder);
             } else if (value && completionOperator == QLatin1Char('(') && m_startPosition == editor->position()) {

src/plugins/qmljseditor/qmljscodecompletion.h

@@ -89,7 +89,7 @@ private:
                         const QIcon &icon, int relevance);
     void addCompletionsPropertyLhs(
             const QHash<QString, const QmlJS::Interpreter::Value *> &newCompletions,
-            const QIcon &icon, int relevance);
+            const QIcon &icon, int relevance, bool afterOn);
 
     QmlJS::ModelManagerInterface *m_modelManager;
     TextEditor::ITextEditable *m_editor;