Smart completion includes constructor parameters for instantiation items

idea/src/org/jetbrains/jet/plugin/completion/smart/TypeInstantiationItems.kt

@@ -99,14 +99,18 @@ class TypeInstantiationItems(val resolveSession: ResolveSessionForBodies, val bi
         }
         else {
             //TODO: when constructor has one parameter of lambda type with more than one parameter, generate special additional item
-            itemText += "()"
-            val baseInsertHandler =
-                    (if (visibleConstructors.size == 0)
-                        KotlinFunctionInsertHandler.NO_PARAMETERS_HANDLER
-                    else if (visibleConstructors.size == 1)
-                        KotlinLookupElementFactory.getDefaultInsertHandler(visibleConstructors.single())
-                    else
-                        KotlinFunctionInsertHandler.WITH_PARAMETERS_HANDLER) as KotlinFunctionInsertHandler
+            itemText += when (visibleConstructors.size) {
+                0 -> "()"
+                1 -> DescriptorRenderer.SHORT_NAMES_IN_TYPES.renderFunctionParameters(visibleConstructors.single())
+                else -> "(...)"
+            }
+
+            val baseInsertHandler = when (visibleConstructors.size) {
+                0 -> KotlinFunctionInsertHandler.NO_PARAMETERS_HANDLER
+                1 -> KotlinLookupElementFactory.getDefaultInsertHandler(visibleConstructors.single()) as KotlinFunctionInsertHandler
+                else -> KotlinFunctionInsertHandler.WITH_PARAMETERS_HANDLER
+            }
+
             insertHandler = object : InsertHandler<LookupElement> {
                 override fun handleInsert(context: InsertionContext, item: LookupElement) {
                     context.getDocument().replaceString(context.getStartOffset(), context.getTailOffset(), typeText)

idea/testData/completion/smart/ConstructorForJavaClass.kt

@@ -2,4 +2,4 @@ import java.util.Date
 
 var a : Date = <caret>
 
-// EXIST: { lookupString:"Date", itemText:"Date()" }
+// EXIST: { lookupString:"Date", itemText:"Date(...)" }

idea/testData/completion/smart/ConstructorWithParameters.kt

@@ -0,0 +1,5 @@
+class Foo(val p1: String, val p2: Any?)
+
+var a : Foo = <caret>
+
+// EXIST: { lookupString:"Foo", itemText:"Foo(p1: String, p2: Any?)" }

idea/tests/org/jetbrains/jet/completion/JvmSmartCompletionTestGenerated.java

@@ -186,6 +186,12 @@ public class JvmSmartCompletionTestGenerated extends AbstractJvmSmartCompletionT
         doTest(fileName);
     }
 
+    @TestMetadata("ConstructorWithParameters.kt")
+    public void testConstructorWithParameters() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/smart/ConstructorWithParameters.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("EmptyPrefix.kt")
     public void testEmptyPrefix() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/completion/smart/EmptyPrefix.kt");