SortContentAction: support enum sorting

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/afterEnum.java

@@ -0,0 +1,7 @@
+// "Sort content" "true"
+
+enum e {
+    Bar,
+    Baz,
+    Foo;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/afterEnumWithMembers.java

@@ -0,0 +1,17 @@
+// "Sort content" "true"
+
+enum e {
+    Bar(2),
+    Baz(5),
+    Foo(1);
+
+    int i;
+
+    e(int i) {
+        this.i = i;
+    }
+
+    void doSomething() {
+
+    }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/afterEnumWithoutSemi.java

@@ -0,0 +1,8 @@
+// "Sort content" "true"
+
+enum e {
+    Bar,
+    Baz,
+    Foo
+
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/beforeEnum.java

@@ -0,0 +1,7 @@
+// "Sort content" "true"
+
+enum e {
+  Foo,
+  Bar,<caret>
+  Baz;
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/beforeEnumWithMembers.java

@@ -0,0 +1,17 @@
+// "Sort content" "true"
+
+enum e {
+  Foo(1),
+  Bar(2),<caret>
+  Baz(5);
+
+  int i;
+
+  e(int i) {
+    this.i = i;
+  }
+
+  void doSomething() {
+
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/sortContent/beforeEnumWithoutSemi.java

@@ -0,0 +1,7 @@
+// "Sort content" "true"
+
+enum e {
+  Foo,
+  Bar,<caret>
+  Baz
+}