CPP-11991 Mark source files in the project view using overlay icons

platform/lang-impl/src/com/intellij/openapi/roots/ui/configuration/JavaSourceRootEditHandlerBase.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2014 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.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.openapi.roots.ui.configuration;
 
 import com.intellij.icons.AllIcons;
@@ -45,6 +31,12 @@ public abstract class JavaSourceRootEditHandlerBase extends ModuleSourceRootEdit
     return properties.isForGeneratedSources() ? getGeneratedRootIcon() : getRootIcon();
   }
 
+  @Nullable
+  @Override
+  public Icon getRootFileLayerIcon(@NotNull JavaSourceRootProperties properties) {
+    return AllIcons.Modules.SourceRootFileLayer;
+  }
+
   @NotNull
   protected abstract Icon getGeneratedRootIcon();
 

platform/util/src/com/intellij/icons/AllIcons.java

@@ -1,16 +1,4 @@
-// Copyright 2000-2017 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.
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.icons;
 
 import com.intellij.openapi.util.IconLoader;
@@ -858,6 +846,7 @@ public class AllIcons {
     public static final Icon SetPackagePrefixRollover = IconLoader.getIcon("/modules/setPackagePrefixRollover.png"); // 9x9
     public static final Icon SourceFolder = IconLoader.getIcon("/modules/sourceFolder.png"); // 16x16
     public static final Icon SourceRoot = IconLoader.getIcon("/modules/sourceRoot.png"); // 16x16
+    public static final Icon SourceRootFileLayer = IconLoader.getIcon("/modules/sourceRootFileLayer.png"); // 16x16
     public static final Icon Sources = IconLoader.getIcon("/modules/sources.png"); // 16x16
     public static final Icon Split = IconLoader.getIcon("/modules/split.png"); // 16x16
     public static final Icon TestResourcesRoot = IconLoader.getIcon("/modules/testResourcesRoot.png"); // 16x16