Resolve "Structure View Support"

Closes #3 (closed)

src/main/java/org/jastadd/tooling/aspect/AspectStructureViewElement.java

@@ -6,7 +6,6 @@ import com.intellij.ide.structureView.StructureViewTreeElement;
 import com.intellij.ide.util.treeView.smartTree.SortableTreeElement;
 import com.intellij.ide.util.treeView.smartTree.TreeElement;
 import com.intellij.navigation.ItemPresentation;
-import com.intellij.openapi.util.NlsSafe;
 import com.intellij.psi.NavigatablePsiElement;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.util.PsiTreeUtil;
@@ -14,7 +13,6 @@ import org.jastadd.tooling.aspect.psi.*;
 import org.jastadd.tooling.aspect.psi.impl.*;
 import org.jastadd.tooling.util.JastAddIcons;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import java.util.Objects;
@@ -232,23 +230,22 @@ public class AspectStructureViewElement implements StructureViewTreeElement, Sor
             return new AspectStructureViewElement((JastAddAspectAspectInterfaceDeclarationImpl) decl.getAspectInterfaceDeclaration());
           } else if (decl.getAspectFieldDeclaration() != null) {
             return new AspectStructureViewElement((JastAddAspectAspectFieldDeclarationImpl) decl.getAspectFieldDeclaration());
-          } else if (decl.getAspectConstructorDeclaration()!= null) {
+          } else if (decl.getAspectConstructorDeclaration() != null) {
             return new AspectStructureViewElement((JastAddAspectAspectConstructorDeclarationImpl) decl.getAspectConstructorDeclaration());
-          }else if (decl.getAspectRewrite()!= null) {
+          } else if (decl.getAspectRewrite() != null) {
             return new AspectStructureViewElement((JastAddAspectAspectRewriteImpl) decl.getAspectRewrite());
           }
+          // missing cases include:
+          // aspect_refine_method_declaration
+          // aspect_refine_constructor_declaration
+          // aspect_add_interface
+          // aspect_extend_interface
           return null;
         })
         .filter(Objects::nonNull)
         .toArray(TreeElement[]::new);
     }
 
-
-    // aspect_refine_method_declaration
-    // aspect_refine_constructor_declaration
-    // aspect_add_interface
-    // aspect_extend_interface
-
     return EMPTY_ARRAY;
   }