From 81f3f9b17eb861abf1d7535d9b2bd364b0ddf522 Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Fri, 17 Jun 2016 17:21:59 +0300
Subject: [PATCH] make class static on unresolved 'static' method reference
 (IDEA-157364)

---
 .../daemon/impl/analysis/HighlightMethodUtil.java     | 11 +++++++++++
 .../afterInnerClassAsStaticMethodQualifier.java       | 11 +++++++++++
 .../beforeInnerClassAsStaticMethodQualifier.java      | 11 +++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/afterInnerClassAsStaticMethodQualifier.java
 create mode 100644 java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/beforeInnerClassAsStaticMethodQualifier.java

diff --git a/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java b/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
index 87a13dfec4e2..42daf4dc4723 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java
@@ -719,6 +719,17 @@ public class HighlightMethodUtil {
                                                    PsiExpressionList list,
                                                    PsiResolveHelper resolveHelper) {
     TextRange fixRange = getFixRange(methodCall);
+    final PsiExpression qualifierExpression = methodCall.getMethodExpression().getQualifierExpression();
+    if (qualifierExpression instanceof PsiReferenceExpression) {
+      final PsiElement resolve = ((PsiReferenceExpression)qualifierExpression).resolve();
+      if (resolve instanceof PsiClass &&
+          ((PsiClass)resolve).getContainingClass() != null &&
+          !((PsiClass)resolve).hasModifierProperty(PsiModifier.STATIC)) {
+        QuickFixAction.registerQuickFixAction(highlightInfo,
+                                              QUICK_FIX_FACTORY.createModifierListFix((PsiClass)resolve, PsiModifier.STATIC, true, false));
+      }
+    }
+
     QuickFixAction.registerQuickFixAction(highlightInfo, fixRange, QUICK_FIX_FACTORY.createCreateMethodFromUsageFix(methodCall));
     QuickFixAction.registerQuickFixAction(highlightInfo, fixRange, QUICK_FIX_FACTORY.createCreateAbstractMethodFromUsageFix(methodCall));
     QuickFixAction.registerQuickFixAction(highlightInfo, fixRange, QUICK_FIX_FACTORY.createCreateConstructorFromSuperFix(methodCall));
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/afterInnerClassAsStaticMethodQualifier.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/afterInnerClassAsStaticMethodQualifier.java
new file mode 100644
index 000000000000..8ff2feeaef3b
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/afterInnerClassAsStaticMethodQualifier.java
@@ -0,0 +1,11 @@
+// "Make 'C2' static" "true"
+class C {
+
+  {
+    C2.staticMethod();
+  }
+
+  public static class C2 {
+
+  }
+}
\ No newline at end of file
diff --git a/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/beforeInnerClassAsStaticMethodQualifier.java b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/beforeInnerClassAsStaticMethodQualifier.java
new file mode 100644
index 000000000000..c75fdd2345a8
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/makeInnerStatic/beforeInnerClassAsStaticMethodQualifier.java
@@ -0,0 +1,11 @@
+// "Make 'C2' static" "true"
+class C {
+
+  {
+    C2.stati<caret>cMethod();
+  }
+
+  public class C2 {
+
+  }
+}
\ No newline at end of file