Hook up CustomEditorModel to workingCopyService

src/vs/workbench/api/browser/mainThreadWebview.ts

@@ -12,6 +12,7 @@ import { URI, UriComponents } from 'vs/base/common/uri';
 import * as modes from 'vs/editor/common/modes';
 import { localize } from 'vs/nls';
 import { ExtensionIdentifier } from 'vs/platform/extensions/common/extensions';
+import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
 import { IOpenerService } from 'vs/platform/opener/common/opener';
 import { IProductService } from 'vs/platform/product/common/productService';
 import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
@@ -20,6 +21,7 @@ import { editorGroupToViewColumn, EditorViewColumn, viewColumnToEditorGroup } fr
 import { IEditorInput } from 'vs/workbench/common/editor';
 import { DiffEditorInput } from 'vs/workbench/common/editor/diffEditorInput';
 import { CustomFileEditorInput } from 'vs/workbench/contrib/customEditor/browser/customEditorInput';
+import { CustomEditorModel } from 'vs/workbench/contrib/customEditor/browser/customEditorModel';
 import { WebviewExtensionDescription } from 'vs/workbench/contrib/webview/browser/webview';
 import { WebviewInput } from 'vs/workbench/contrib/webview/browser/webviewEditorInput';
 import { ICreateWebViewShowOptions, IWebviewWorkbenchService, WebviewInputOptions } from 'vs/workbench/contrib/webview/browser/webviewWorkbenchService';
@@ -27,7 +29,6 @@ import { IEditorGroup, IEditorGroupsService } from 'vs/workbench/services/editor
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { IExtensionService } from 'vs/workbench/services/extensions/common/extensions';
 import { extHostNamedCustomer } from '../common/extHostCustomers';
-import { CustomEditorModel } from 'vs/workbench/contrib/customEditor/browser/customEditorModel';
 
 /**
  * Bi-directional map between webview handles and inputs.
@@ -102,6 +103,7 @@ export class MainThreadWebviews extends Disposable implements extHostProtocol.Ma
 		@IExtensionService extensionService: IExtensionService,
 		@IEditorGroupsService private readonly _editorGroupService: IEditorGroupsService,
 		@IEditorService private readonly _editorService: IEditorService,
+		@IInstantiationService private readonly _instantiationService: IInstantiationService,
 		@IOpenerService private readonly _openerService: IOpenerService,
 		@IProductService private readonly _productService: IProductService,
 		@ITelemetryService private readonly _telemetryService: ITelemetryService,
@@ -271,7 +273,7 @@ export class MainThreadWebviews extends Disposable implements extHostProtocol.Ma
 				webviewInput.webview.options = options;
 				webviewInput.webview.extension = extension;
 
-				const model = new CustomEditorModel();
+				const model = this._instantiationService.createInstance(CustomEditorModel, webviewInput.getResource());
 				webviewInput.setModel(model);
 				this._models.set(handle, model);
 

src/vs/workbench/contrib/customEditor/browser/customEditorModel.ts

@@ -5,18 +5,44 @@
 
 import { Emitter, Event } from 'vs/base/common/event';
 import { Disposable } from 'vs/base/common/lifecycle';
+import { URI } from 'vs/base/common/uri';
+import { IWorkingCopy, IWorkingCopyService, WorkingCopyCapabilities } from 'vs/workbench/services/workingCopy/common/workingCopyService';
 
 type Edit = string;
 
-export class CustomEditorModel extends Disposable {
+export class CustomEditorModel extends Disposable implements IWorkingCopy {
 
 	private _currentEditIndex: number = 0;
 	private _savePoint: number = -1;
 	private _edits: Array<Edit> = [];
 
+	constructor(
+		private readonly _resource: URI,
+		@IWorkingCopyService private readonly _workingCopyService: IWorkingCopyService,
+	) {
+		super();
+		this._register(this._workingCopyService.registerWorkingCopy(this));
+	}
+
+	//#region IWorkingCopy
+
+	public get resource() {
+		return this._resource;
+	}
+
+	public get capabilities(): WorkingCopyCapabilities {
+		return 0;
+	}
+
+	public isDirty(): boolean {
+		return this._edits.length > 0 && this._savePoint !== this._edits.length;
+	}
+
 	protected readonly _onDidChangeDirty: Emitter<void> = this._register(new Emitter<void>());
 	readonly onDidChangeDirty: Event<void> = this._onDidChangeDirty.event;
 
+	//#endregion
+
 	protected readonly _onUndo: Emitter<Edit> = this._register(new Emitter<Edit>());
 	readonly onUndo: Event<Edit> = this._onUndo.event;
 
@@ -26,10 +52,6 @@ export class CustomEditorModel extends Disposable {
 		this.updateDirty();
 	}
 
-	public isDirty(): boolean {
-		return this._edits.length > 0 && this._savePoint !== this._edits.length;
-	}
-
 	private updateDirty() {
 		this._onDidChangeDirty.fire();
 	}