Store available modes per language

extensions/ql-vscode/src/model-editor/languages/index.ts

@@ -1,3 +1,2 @@
-export * from "./initial-mode";
 export * from "./languages";
 export * from "./models-as-data";

extensions/ql-vscode/src/model-editor/languages/initial-mode.ts

@@ -1,10 +0,0 @@
-import { QueryLanguage } from "../../common/query-language";
-import { INITIAL_MODE, Mode } from "../shared/mode";
-
-export function getInitialMode(language: QueryLanguage): Mode {
-  if (language === QueryLanguage.Ruby) {
-    return Mode.Framework;
-  }
-
-  return INITIAL_MODE;
-}

extensions/ql-vscode/src/model-editor/languages/models-as-data.ts

@@ -1,6 +1,7 @@
 import { MethodDefinition } from "../method";
 import { ModeledMethod, ModeledMethodType } from "../modeled-method";
 import { DataTuple } from "../model-extension-file";
+import { Mode } from "../shared/mode";
 
 type GenerateMethodDefinition = (method: ModeledMethod) => DataTuple[];
 type ReadModeledMethod = (row: DataTuple[]) => ModeledMethod;
@@ -20,6 +21,11 @@ export type ModelsAsDataLanguagePredicates = Record<
 >;
 
 export type ModelsAsDataLanguage = {
+  /**
+   * The modes that are available for this language. If not specified, all
+   * modes are available.
+   */
+  availableModes?: Mode[];
   createMethodSignature: (method: MethodDefinition) => string;
   predicates: ModelsAsDataLanguagePredicates;
 };

extensions/ql-vscode/src/model-editor/languages/ruby.ts

@@ -1,5 +1,6 @@
 import { ModelsAsDataLanguage } from "./models-as-data";
 import { sharedExtensiblePredicates, sharedKinds } from "./shared";
+import { Mode } from "../shared/mode";
 
 function parseRubyMethodFromPath(path: string): string {
   const match = path.match(/Method\[([^\]]+)].*/);
@@ -27,6 +28,7 @@ function rubyMethodSignature(typeName: string, methodName: string) {
 }
 
 export const ruby: ModelsAsDataLanguage = {
+  availableModes: [Mode.Framework],
   createMethodSignature: ({ typeName, methodName }) =>
     `${typeName}#${methodName}`,
   predicates: {

extensions/ql-vscode/src/model-editor/model-editor-module.ts

@@ -22,7 +22,8 @@ import { showResolvableLocation } from "../databases/local-databases/locations";
 import { ModelEditorViewTracker } from "./model-editor-view-tracker";
 import { ModelConfigListener } from "../config";
 import { ModelingEvents } from "./modeling-events";
-import { getInitialMode } from "./languages";
+import { getModelsAsDataLanguage } from "./languages";
+import { Mode } from "./shared/mode";
 
 const SUPPORTED_LANGUAGES: string[] = ["java", "csharp"];
 
@@ -142,6 +143,10 @@ export class ModelEditorModule extends DisposableObject {
         return;
       }
 
+      const definition = getModelsAsDataLanguage(language);
+
+      const initialMode = definition.availableModes?.[0] ?? Mode.Application;
+
       const existingView = this.editorViewTracker.getView(
         db.databaseUri.toString(),
       );
@@ -238,7 +243,7 @@ export class ModelEditorModule extends DisposableObject {
             db,
             modelFile,
             language,
-            getInitialMode(language),
+            initialMode,
           );
 
           this.modelingEvents.onDbClosed(async (dbUri) => {

extensions/ql-vscode/src/model-editor/model-editor-view.ts

@@ -50,12 +50,14 @@ import { telemetryListener } from "../common/vscode/telemetry";
 import { ModelingStore } from "./modeling-store";
 import { ModelEditorViewTracker } from "./model-editor-view-tracker";
 import { ModelingEvents } from "./modeling-events";
+import { getModelsAsDataLanguage, ModelsAsDataLanguage } from "./languages";
 
 export class ModelEditorView extends AbstractWebview<
   ToModelEditorMessage,
   FromModelEditorMessage
 > {
   private readonly autoModeler: AutoModeler;
+  private readonly languageDefinition: ModelsAsDataLanguage;
 
   public constructor(
     protected readonly app: App,
@@ -95,6 +97,7 @@ export class ModelEditorView extends AbstractWebview<
         this.addModeledMethods(modeledMethods);
       },
     );
+    this.languageDefinition = getModelsAsDataLanguage(language);
   }
 
   public async openView() {
@@ -376,7 +379,9 @@ export class ModelEditorView extends AbstractWebview<
     const sourceArchiveAvailable =
       this.databaseItem.hasSourceArchiveInExplorer();
 
-    const showModeSwitchButton = this.language !== QueryLanguage.Ruby;
+    const showModeSwitchButton =
+      this.languageDefinition.availableModes === undefined ||
+      this.languageDefinition.availableModes.length > 1;
 
     await this.postMessage({
       t: "setModelEditorViewState",