Resolve Please make class org.elixir_lang.beam.file_editor.Provider dumb-aware

Author: sh41

src/org/elixir_lang/beam/file_editor/Provider.kt

@@ -2,22 +2,24 @@ package org.elixir_lang.beam.file_editor
 
 import com.intellij.ide.scratch.ScratchFileService
 import com.intellij.openapi.fileEditor.FileEditorPolicy
+import com.intellij.openapi.fileEditor.FileEditorProvider
+import com.intellij.openapi.project.DumbAware
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.VirtualFile
 import org.elixir_lang.beam.FileEditor
 import org.elixir_lang.beam.FileType
 import org.elixir_lang.beam.Language
 
-class Provider: com.intellij.openapi.fileEditor.FileEditorProvider {
+class Provider : FileEditorProvider, DumbAware {
     override fun getEditorTypeId(): String = "BEAM"
 
     override fun accept(project: Project, file: VirtualFile): Boolean =
-            file.fileType is FileType ||
-                    try {
-                        ScratchFileService.getInstance().scratchesMapping.getMapping(file) is Language
-                    } catch (e: Throwable) {
-                        false
-                    }
+        file.fileType is FileType ||
+                try {
+                    ScratchFileService.getInstance().scratchesMapping.getMapping(file) is Language
+                } catch (_: Throwable) {
+                    false
+                }
 
     override fun createEditor(project: Project, file: VirtualFile): FileEditor {
         return FileEditor(file, project)