inspection view: show icon for module-info.java

java/java-analysis-impl/src/com/intellij/codeInspection/reference/RefJavaModuleImpl.java

@@ -15,15 +15,19 @@
  */
 package com.intellij.codeInspection.reference;
 
+import com.intellij.icons.AllIcons;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.module.ModuleUtilCore;
 import com.intellij.psi.*;
+import com.intellij.psi.impl.java.stubs.index.JavaModuleNameIndex;
+import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.util.containers.ContainerUtil;
 import gnu.trove.THashMap;
 import gnu.trove.THashSet;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import javax.swing.*;
 import java.util.*;
 
 /**
@@ -101,6 +105,12 @@ public class RefJavaModuleImpl extends RefElementImpl implements RefJavaModule {
     return myRequiredModules != null ? myRequiredModules : Collections.emptyList();
   }
 
+  @Nullable
+  @Override
+  public Icon getIcon(boolean expanded) {
+    return AllIcons.Nodes.JavaModule;
+  }
+
   private void buildRequiresReferences(PsiJavaModule javaModule) {
     for (PsiRequiresStatement statement : javaModule.getRequires()) {
       PsiJavaModuleReferenceElement referenceElement = statement.getReferenceElement();