Show delegated methods when "Show inherited" enabled in file structure view

idea/src/org/jetbrains/jet/plugin/structureView/KotlinInheritedMembersNodeProvider.kt

@@ -20,6 +20,7 @@ import com.intellij.ide.util.treeView.smartTree.TreeElement
 import com.intellij.ide.util.InheritedMembersNodeProvider
 import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor
 import org.jetbrains.jet.plugin.codeInsight.DescriptorToDeclarationUtil
+import org.jetbrains.jet.lang.psi.JetDeclaration
 import org.jetbrains.jet.lang.resolve.BindingContext
 import org.jetbrains.jet.plugin.project.AnalyzerFacadeWithCache
 import java.util.ArrayList
@@ -47,11 +48,15 @@ public class KotlinInheritedMembersNodeProvider: InheritedMembersNodeProvider<Tr
         val defaultType = descriptor.getDefaultType()
         for (memberDescriptor in defaultType.getMemberScope().getAllDescriptors()) {
             if (memberDescriptor !is CallableMemberDescriptor) continue
-            if (memberDescriptor.getKind() != CallableMemberDescriptor.Kind.FAKE_OVERRIDE) continue
 
-            val superTypeMember = DescriptorToDeclarationUtil.getDeclaration(project, memberDescriptor, context)
-            if (superTypeMember is NavigatablePsiElement) {
-                children.add(JetStructureViewElement(superTypeMember, memberDescriptor, true))
+            when (memberDescriptor.getKind()) {
+                CallableMemberDescriptor.Kind.FAKE_OVERRIDE,
+                CallableMemberDescriptor.Kind.DELEGATION -> {
+                    val superTypeMember = DescriptorToDeclarationUtil.getDeclaration(project, memberDescriptor, context)
+                    if (superTypeMember is NavigatablePsiElement) {
+                        children.add(JetStructureViewElement(superTypeMember, memberDescriptor, true))
+                    }
+                }
             }
         }
 

idea/testData/structureView/fileStructure/InheritedDelegationMethods.Data.kt

@@ -0,0 +1,9 @@
+trait Some {
+    fun first()
+    fun second()
+}
+
+class ClassSome: Some {
+    override fun first() {}
+    override fun second() {}
+}

idea/testData/structureView/fileStructure/InheritedDelegationMethods.after

@@ -0,0 +1,7 @@
+-InheritedDelegationMethods.kt
+ -Test
+  equals(Any?): Boolean location=→Any
+  first(): Unit location=→Some
+  hashCode(): Int location=→Any
+  second(): Unit location=→Some
+  toString(): String location=→Any

idea/testData/structureView/fileStructure/InheritedDelegationMethods.kt

@@ -0,0 +1,3 @@
+class Test: Some by ClassSome()
+
+// WITH_INHERITED

idea/tests/org/jetbrains/jet/plugin/structureView/KotlinFileStructureTestGenerated.java

@@ -56,6 +56,11 @@ public class KotlinFileStructureTestGenerated extends AbstractKotlinFileStructur
         doTest("idea/testData/structureView/fileStructure/EmptyFile.kt");
     }
     
+    @TestMetadata("InheritedDelegationMethods.kt")
+    public void testInheritedDelegationMethods() throws Exception {
+        doTest("idea/testData/structureView/fileStructure/InheritedDelegationMethods.kt");
+    }
+    
     @TestMetadata("InheritedInnerClasses.kt")
     public void testInheritedInnerClasses() throws Exception {
         doTest("idea/testData/structureView/fileStructure/InheritedInnerClasses.kt");