diff --git a/project_model/META-INF/plugin.xml b/project_model/META-INF/plugin.xml
index 79b2d2a00..4f8fa8ffa 100644
--- a/project_model/META-INF/plugin.xml
+++ b/project_model/META-INF/plugin.xml
@@ -1,45 +1,55 @@
 <idea-plugin version="2" url="www.jetbrains.com">
-  <id>org.jetbrains.plugins.sample.ProjectModel</id>
-  <name>Editor basics</name>
-  <version>1.0</version>
-  <vendor email="support@jetbrains.com" url="http://www.jetbrains.com">JetBrains</vendor>
+    <id>org.jetbrains.plugins.sample.ProjectModel</id>
+    <name>Editor basics</name>
+    <version>1.0</version>
+    <vendor email="support@jetbrains.com" url="http://www.jetbrains.com">JetBrains</vendor>
 
-  <description>Project model illustration</description>
+    <description>Project model illustration</description>
 
-  <change-notes>Initial commit</change-notes>
+    <change-notes>Initial commit</change-notes>
 
-  <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Build+Number+Ranges for description -->
-  <idea-version since-build="131"/>
-  <depends>com.intellij.modules.lang</depends>
+    <!-- please see http://confluence.jetbrains.com/display/IDEADEV/Build+Number+Ranges for description -->
+    <idea-version since-build="131"/>
+    <depends>com.intellij.modules.lang</depends>
 
-  <extensions defaultExtensionNs="com.intellij">
-    <!-- Add your extensions here -->
-  </extensions>
+    <extensions defaultExtensionNs="com.intellij">
+        <!-- Add your extensions here -->
+    </extensions>
 
-  <application-components>
-    <!-- Add your application components here -->
-  </application-components>
+    <application-components>
+        <!-- Add your application components here -->
+    </application-components>
 
-  <project-components>
-    <!-- Add your project components here -->
-  </project-components>
+    <project-components>
+        <!-- Add your project components here -->
+    </project-components>
 
-  <actions>
-    <action id="ProjectModel.SourceRoots" class="com.intellij.plugins.project.model.ShowSourceRootsActions" text="Show Source Roots"
-            description="Illustrates how to get source roots">
-      <add-to-group group-id="ToolsMenu" anchor="after"/>
-    </action>
-    <action id="ProjectModel.ProjectSdk" class="com.intellij.plugins.project.model.ProjectSdkAction" text="Show Sdk Info"
-            description="Illustrates how to get source roots">
-      <add-to-group group-id="ToolsMenu" anchor="after"/>
-    </action>
-    <action id="ProjectModel.ProjectFileIndex" class="com.intellij.plugins.project.model.ProjectFileIndexSampleAction" text="FileProjectIndex in Action"
-            description="Illustrates how to get source roots">
-      <add-to-group group-id="EditorPopupMenu" anchor="last"/>
-    </action>
-    <action id="ProjectModel.ModificationAction" class="com.intellij.plugins.project.model.ModificationAction" text="Project Modification in Action"
-            description="Illustrates how to get source roots">
-      <add-to-group group-id="EditorPopupMenu" anchor="last"/>
-    </action>
-  </actions>
+    <actions>
+        <action id="ProjectModel.SourceRoots" class="com.intellij.plugins.project.model.ShowSourceRootsActions"
+                text="Show Source Roots"
+                description="Illustrates how to get source roots">
+            <add-to-group group-id="ToolsMenu" anchor="after"/>
+        </action>
+        <action id="ProjectModel.ProjectSdk" class="com.intellij.plugins.project.model.ProjectSdkAction"
+                text="Show Sdk Info"
+                description="Illustrates how to get source roots">
+            <add-to-group group-id="ToolsMenu" anchor="after"/>
+        </action>
+        <action id="ProjectModel.ProjectFileIndex"
+                class="com.intellij.plugins.project.model.ProjectFileIndexSampleAction"
+                text="FileProjectIndex in Action"
+                description="Illustrates how to get source roots">
+            <add-to-group group-id="EditorPopupMenu" anchor="last"/>
+        </action>
+        <action id="ProjectModel.ModificationAction" class="com.intellij.plugins.project.model.ModificationAction"
+                text="Project Modification in Action"
+                description="Illustrates how to get source roots">
+            <add-to-group group-id="EditorPopupMenu" anchor="last"/>
+        </action>
+        <action id="ProjectModel.LibrariesAction" class="com.intellij.plugins.project.model.LibrariesAction"
+                text="Libraries for file"
+                description="Illustrates accessing libraries">
+            <add-to-group group-id="EditorPopupMenu" anchor="last"/>
+        </action>
+    </actions>
 </idea-plugin>
\ No newline at end of file
diff --git a/project_model/src/com/intellij/plugins/project/model/LibrariesAction.java b/project_model/src/com/intellij/plugins/project/model/LibrariesAction.java
new file mode 100644
index 000000000..85caba27f
--- /dev/null
+++ b/project_model/src/com/intellij/plugins/project/model/LibrariesAction.java
@@ -0,0 +1,62 @@
+package com.intellij.plugins.project.model;
+
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.actionSystem.CommonDataKeys;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.roots.*;
+import com.intellij.openapi.roots.libraries.Library;
+import com.intellij.openapi.ui.Messages;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.pom.Navigatable;
+import com.intellij.psi.PsiClass;
+import com.intellij.psi.PsiFile;
+
+/**
+ * @author Anna Bulenkova
+ */
+public class LibrariesAction extends AnAction {
+    @Override
+    public void update(final AnActionEvent event) {
+        Project project = event.getProject();
+        if (project == null) return;
+        Navigatable element = event.getData(CommonDataKeys.NAVIGATABLE);
+        if (element instanceof PsiClass) {
+            PsiFile psiFile = ((PsiClass) element).getContainingFile();
+            if (psiFile == null) return;
+            VirtualFile virtualFile = psiFile.getVirtualFile();
+            if (virtualFile == null) return;
+            event.getPresentation().setEnabledAndVisible(true);
+        }
+    }
+
+    @Override
+    public void actionPerformed(AnActionEvent event) {
+        Project project = event.getProject();
+        if (project == null) return;
+        Navigatable element = event.getData(CommonDataKeys.NAVIGATABLE);
+        if (element instanceof PsiClass) {
+            PsiFile psiFile = ((PsiClass) element).getContainingFile();
+            if (psiFile == null) return;
+            VirtualFile virtualFile = psiFile.getVirtualFile();
+            if (virtualFile == null) return;
+            final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();
+            StringBuilder jars = new StringBuilder();
+            for (OrderEntry orderEntry : fileIndex.getOrderEntriesForFile(virtualFile)) {
+                if (orderEntry instanceof LibraryOrderEntry) {
+                    final LibraryOrderEntry libraryEntry = (LibraryOrderEntry) orderEntry;
+                    final Library library = libraryEntry.getLibrary();
+                    if (library == null) continue;
+                    VirtualFile[] files = library.getFiles(OrderRootType.CLASSES);
+                    if (files.length == 0) continue;
+                    for (VirtualFile jar : files) {
+                        jars.append(jar.getName()).append(", ");
+                    }
+                }
+            }
+            if (jars.length() > 0) {
+                Messages.showInfoMessage("Libraries for file " + virtualFile.getName() + ": " + jars.toString(), "Libraries Info");
+            }
+        }
+    }
+}