ATL-1106: Made all non-workspace editors read-only.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

arduino-ide-extension/src/browser/theia/monaco/monaco-editor-provider.ts

@@ -0,0 +1,64 @@
+import { inject, injectable } from 'inversify';
+import URI from '@theia/core/lib/common/uri';
+import { Disposable, DisposableCollection } from '@theia/core/lib/common/disposable';
+import { MonacoEditor } from '@theia/monaco/lib/browser/monaco-editor';
+import { MonacoEditorProvider as TheiaMonacoEditorProvider } from '@theia/monaco/lib/browser/monaco-editor-provider';
+import { SketchesServiceClientImpl } from '../../../common/protocol/sketches-service-client-impl';
+
+type CancelablePromise = Promise<monaco.referenceSearch.ReferencesModel> & { cancel: () => void };
+interface EditorFactory {
+    (override: monaco.editor.IEditorOverrideServices, toDispose: DisposableCollection): Promise<MonacoEditor>;
+}
+
+@injectable()
+export class MonacoEditorProvider extends TheiaMonacoEditorProvider {
+
+    @inject(SketchesServiceClientImpl)
+    protected readonly sketchesServiceClient: SketchesServiceClientImpl;
+
+    protected async doCreateEditor(uri: URI, factory: EditorFactory): Promise<MonacoEditor> {
+        const editor = await super.doCreateEditor(uri, factory);
+        const toDispose = new DisposableCollection();
+        toDispose.push(this.installCustomReferencesController(editor));
+        toDispose.push(editor.onDispose(() => toDispose.dispose()));
+        return editor;
+    }
+
+    private installCustomReferencesController(editor: MonacoEditor): Disposable {
+        const control = editor.getControl();
+        const referencesController = control._contributions['editor.contrib.referencesController'];
+        const originalToggleWidget = referencesController.toggleWidget;
+        const toDispose = new DisposableCollection();
+        const toDisposeBeforeToggleWidget = new DisposableCollection();
+        referencesController.toggleWidget = (range: monaco.Range, modelPromise: CancelablePromise, peekMode: boolean) => {
+            toDisposeBeforeToggleWidget.dispose();
+            originalToggleWidget.bind(referencesController)(range, modelPromise, peekMode);
+            if (referencesController._widget) {
+                if ('onDidClose' in referencesController._widget) {
+                    toDisposeBeforeToggleWidget.push((referencesController._widget as any).onDidClose(() => toDisposeBeforeToggleWidget.dispose()));
+                }
+                const preview = (referencesController._widget as any)._preview as monaco.editor.ICodeEditor;
+                if (preview) {
+                    toDisposeBeforeToggleWidget.push(preview.onDidChangeModel(() => this.updateReadOnlyState(preview)))
+                    this.updateReadOnlyState(preview);
+                }
+            }
+        };
+        toDispose.push(Disposable.create(() => toDisposeBeforeToggleWidget.dispose()));
+        toDispose.push(Disposable.create(() => referencesController.toggleWidget = originalToggleWidget));
+        return toDispose;
+    }
+
+    private updateReadOnlyState(editor: monaco.editor.ICodeEditor | undefined): void {
+        if (!editor) {
+            return;
+        }
+        const model = editor.getModel();
+        if (!model) {
+            return;
+        }
+        const readOnly = this.sketchesServiceClient.isReadOnly(model.uri);
+        editor.updateOptions({ readOnly });
+    }
+
+}

arduino-ide-extension/src/browser/theia/monaco/monaco-text-model-service.ts

@@ -1,22 +1,29 @@
-import { injectable } from 'inversify';
+import { inject, injectable } from 'inversify';
 import { Resource } from '@theia/core/lib/common/resource';
-import { MaybePromise } from '@theia/core/lib/common/types';
-import { Log, Loggable } from '@theia/core/lib/common/logger';
+import { ILogger, Log, Loggable } from '@theia/core/lib/common/logger';
 import { MonacoEditorModel } from '@theia/monaco/lib/browser/monaco-editor-model';
+import { EditorPreferences } from '@theia/editor/lib/browser/editor-preferences';
+import { MonacoToProtocolConverter } from '@theia/monaco/lib/browser/monaco-to-protocol-converter';
+import { ProtocolToMonacoConverter } from '@theia/monaco/lib/browser/protocol-to-monaco-converter';
 import { MonacoTextModelService as TheiaMonacoTextModelService } from '@theia/monaco/lib/browser/monaco-text-model-service';
+import { SketchesServiceClientImpl } from '../../../common/protocol/sketches-service-client-impl';
 
 @injectable()
 export class MonacoTextModelService extends TheiaMonacoTextModelService {
 
-    protected createModel(resource: Resource): MaybePromise<MonacoEditorModel> {
+    @inject(SketchesServiceClientImpl)
+    protected readonly sketchesServiceClient: SketchesServiceClientImpl;
+
+    protected async createModel(resource: Resource): Promise<MonacoEditorModel> {
         const factory = this.factories.getContributions().find(({ scheme }) => resource.uri.scheme === scheme);
-        return factory ? factory.createModel(resource) : new SilentMonacoEditorModel(resource, this.m2p, this.p2m, this.logger);
+        const readOnly = this.sketchesServiceClient.isReadOnly(resource.uri);
+        return factory ? factory.createModel(resource) : new MaybeReadonlyMonacoEditorModel(resource, this.m2p, this.p2m, this.logger, undefined, readOnly);
     }
 
 }
 
 // https://github.com/eclipse-theia/theia/pull/8491
-export class SilentMonacoEditorModel extends MonacoEditorModel {
+class SilentMonacoEditorModel extends MonacoEditorModel {
 
     protected trace(loggable: Loggable): void {
         if (this.logger) {
@@ -27,3 +34,41 @@ export class SilentMonacoEditorModel extends MonacoEditorModel {
     }
 
 }
+
+class MaybeReadonlyMonacoEditorModel extends SilentMonacoEditorModel {
+
+    constructor(
+        protected readonly resource: Resource,
+        protected readonly m2p: MonacoToProtocolConverter,
+        protected readonly p2m: ProtocolToMonacoConverter,
+        protected readonly logger?: ILogger,
+        protected readonly editorPreferences?: EditorPreferences,
+        protected readonly _readOnly?: boolean,
+    ) {
+        super(resource, m2p, p2m, logger, editorPreferences)
+    }
+
+    get readOnly(): boolean {
+        if (typeof this._readOnly === 'boolean') {
+            return this._readOnly;
+        }
+        return this.resource.saveContents === undefined;
+    }
+
+    protected setDirty(dirty: boolean): void {
+        if (this._readOnly === true) {
+            // NOOP
+            return;
+        }
+        if (dirty === this._dirty) {
+            return;
+        }
+        this._dirty = dirty;
+        if (dirty === false) {
+            (this as any).updateSavedVersionId();
+        }
+        this.onDirtyChangedEmitter.fire(undefined);
+    }
+
+
+}