Added implementation of ClsCustomNavigationPolicy for Kotlin libraries.

idea/src/META-INF/plugin.xml

@@ -154,6 +154,7 @@
       <stubIndex implementation="org.jetbrains.jet.plugin.stubindex.JetExtensionFunctionNameIndex"/>
 
       <contentBasedClassFileProcessor implementation="org.jetbrains.jet.plugin.JetContentBasedFileSubstitutor" />
+      <psi.clsCustomNavigationPolicy implementation="org.jetbrains.jet.plugin.JetClsNavigationPolicy" />
 
       <editorNotificationProvider implementation="org.jetbrains.jet.plugin.quickfix.ConfigureKotlinLibraryNotificationProvider"/>
 

idea/src/org/jetbrains/jet/plugin/JetClsNavigationPolicy.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.plugin;
+
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.impl.compiled.*;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.jet.lang.psi.JetDeclaration;
+
+/**
+ * @author Evgeny Gerashchenko
+ * @since 3/2/12
+ */
+public class JetClsNavigationPolicy implements ClsCustomNavigationPolicy {
+    @Override
+    public PsiElement getNavigationElement(@NotNull ClsClassImpl clsClass) {
+        return getJetDeclarationByClsElement(clsClass);
+    }
+
+    @Override
+    public PsiElement getNavigationElement(@NotNull ClsMethodImpl clsMethod) {
+        return getJetDeclarationByClsElement(clsMethod);
+    }
+
+    @Override
+    public PsiElement getNavigationElement(@NotNull ClsFieldImpl clsField) {
+        return getJetDeclarationByClsElement(clsField);
+    }
+
+    private static JetDeclaration getJetDeclarationByClsElement(ClsElementImpl clsElement) {
+        JetDecompiledData decompiledData = JetDecompiledData.getDecompiledData((ClsFileImpl) clsElement.getContainingFile());
+        return decompiledData.getJetDeclarationByClsElement(clsElement);
+    }
+}