code block pasting in chat

src/vs/editor/common/languages.ts

@@ -1758,7 +1758,14 @@ export interface IWorkspaceTextEdit {
 }
 
 export interface WorkspaceEdit {
-	edits: Array<IWorkspaceTextEdit | IWorkspaceFileEdit>;
+	edits: Array<IWorkspaceTextEdit | IWorkspaceFileEdit | ICustomEdit>;
+}
+
+export interface ICustomEdit {
+	readonly resource: URI;
+	readonly metadata?: WorkspaceEditMetadata;
+	undo(): Promise<void> | void;
+	redo(): Promise<void> | void;
 }
 
 export interface Rejection {

src/vs/monaco.d.ts

@@ -7962,7 +7962,14 @@ declare namespace monaco.languages {
 	}
 
 	export interface WorkspaceEdit {
-		edits: Array<IWorkspaceTextEdit | IWorkspaceFileEdit>;
+		edits: Array<IWorkspaceTextEdit | IWorkspaceFileEdit | ICustomEdit>;
+	}
+
+	export interface ICustomEdit {
+		readonly resource: Uri;
+		readonly metadata?: WorkspaceEditMetadata;
+		undo(): Promise<void> | void;
+		redo(): Promise<void> | void;
 	}
 
 	export interface Rejection {

src/vs/workbench/contrib/bulkEdit/browser/bulkEditService.ts

@@ -28,6 +28,7 @@ import { BulkTextEdits } from './bulkTextEdits.js';
 import { IEditorService } from '../../../services/editor/common/editorService.js';
 import { ILifecycleService, ShutdownReason } from '../../../services/lifecycle/common/lifecycle.js';
 import { IWorkingCopyService } from '../../../services/workingCopy/common/workingCopyService.js';
+import { OpaqueEdits, ResourceAttachmentEdit } from './opaqueEdits.js';
 
 function liftEdits(edits: ResourceEdit[]): ResourceEdit[] {
 	return edits.map(edit => {
@@ -40,6 +41,11 @@ function liftEdits(edits: ResourceEdit[]): ResourceEdit[] {
 		if (ResourceNotebookCellEdit.is(edit)) {
 			return ResourceNotebookCellEdit.lift(edit);
 		}
+
+		if (ResourceAttachmentEdit.is(edit)) {
+			return ResourceAttachmentEdit.lift(edit);
+		}
+
 		throw new Error('Unsupported edit');
 	});
 }
@@ -122,6 +128,8 @@ class BulkEdit {
 				resources.push(await this._performTextEdits(<ResourceTextEdit[]>group, this._undoRedoGroup, this._undoRedoSource, progress));
 			} else if (group[0] instanceof ResourceNotebookCellEdit) {
 				resources.push(await this._performCellEdits(<ResourceNotebookCellEdit[]>group, this._undoRedoGroup, this._undoRedoSource, progress));
+			} else if (group[0] instanceof ResourceAttachmentEdit) {
+				resources.push(await this._performOpaqueEdits(<ResourceAttachmentEdit[]>group, this._undoRedoGroup, this._undoRedoSource, progress));
 			} else {
 				console.log('UNKNOWN EDIT');
 			}
@@ -148,6 +156,12 @@ class BulkEdit {
 		const model = this._instaService.createInstance(BulkCellEdits, undoRedoGroup, undoRedoSource, progress, this._token, edits);
 		return await model.apply();
 	}
+
+	private async _performOpaqueEdits(edits: ResourceAttachmentEdit[], undoRedoGroup: UndoRedoGroup, undoRedoSource: UndoRedoSource | undefined, progress: IProgress<void>): Promise<readonly URI[]> {
+		this._logService.debug('_performOpaqueEdits', JSON.stringify(edits));
+		const model = this._instaService.createInstance(OpaqueEdits, undoRedoGroup, undoRedoSource, progress, this._token, edits);
+		return await model.apply();
+	}
 }
 
 export class BulkEditService implements IBulkEditService {

src/vs/workbench/contrib/bulkEdit/browser/opaqueEdits.ts

@@ -0,0 +1,79 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { CancellationToken } from '../../../../base/common/cancellation.js';
+import { isObject } from '../../../../base/common/types.js';
+import { URI } from '../../../../base/common/uri.js';
+import { ResourceEdit } from '../../../../editor/browser/services/bulkEditService.js';
+import { ICustomEdit, WorkspaceEditMetadata } from '../../../../editor/common/languages.js';
+import { IProgress } from '../../../../platform/progress/common/progress.js';
+import { IUndoRedoService, UndoRedoElementType, UndoRedoGroup, UndoRedoSource } from '../../../../platform/undoRedo/common/undoRedo.js';
+
+export class ResourceAttachmentEdit extends ResourceEdit implements ICustomEdit {
+
+	static is(candidate: any): candidate is ICustomEdit {
+		if (candidate instanceof ResourceAttachmentEdit) {
+			return true;
+		} else {
+			return isObject(candidate)
+				&& (Boolean((<ICustomEdit>candidate).undo && (<ICustomEdit>candidate).redo));
+		}
+	}
+
+	static lift(edit: ICustomEdit): ResourceAttachmentEdit {
+		if (edit instanceof ResourceAttachmentEdit) {
+			return edit;
+		} else {
+			return new ResourceAttachmentEdit(edit.resource, edit.undo, edit.redo, edit.metadata);
+		}
+	}
+
+	constructor(
+		readonly resource: URI,
+		readonly undo: () => Promise<void> | void,
+		readonly redo: () => Promise<void> | void,
+		metadata?: WorkspaceEditMetadata
+	) {
+		super(metadata);
+	}
+}
+
+export class OpaqueEdits {
+
+	constructor(
+		private readonly _undoRedoGroup: UndoRedoGroup,
+		private readonly _undoRedoSource: UndoRedoSource | undefined,
+		private readonly _progress: IProgress<void>,
+		private readonly _token: CancellationToken,
+		private readonly _edits: ResourceAttachmentEdit[],
+		@IUndoRedoService private readonly _undoRedoService: IUndoRedoService,
+	) { }
+
+	async apply(): Promise<readonly URI[]> {
+		const resources: URI[] = [];
+
+		for (const edit of this._edits) {
+			if (this._token.isCancellationRequested) {
+				break;
+			}
+
+			await edit.redo();
+
+			this._undoRedoService.pushElement({
+				type: UndoRedoElementType.Resource,
+				resource: edit.resource,
+				label: edit.metadata?.label || 'Custom Edit',
+				code: 'paste',
+				undo: edit.undo,
+				redo: edit.redo,
+			}, this._undoRedoGroup, this._undoRedoSource);
+
+			this._progress.report(undefined);
+			resources.push(edit.resource);
+		}
+
+		return resources;
+	}
+}

src/vs/workbench/contrib/chat/browser/chat.contribution.ts

@@ -78,6 +78,12 @@ import { ILanguageModelIgnoredFilesService, LanguageModelIgnoredFilesService } f
 import { ChatGettingStartedContribution } from './actions/chatGettingStarted.js';
 import { Extensions, IConfigurationMigrationRegistry } from '../../../common/configuration.js';
 import { ChatEditorOverlayController } from './chatEditorOverlay.js';
+import { ITextModelContentProvider, ITextModelService } from '../../../../editor/common/services/resolverService.js';
+import { URI } from '../../../../base/common/uri.js';
+import { ILanguageService } from '../../../../editor/common/languages/language.js';
+import { ITextModel } from '../../../../editor/common/model.js';
+import { IModelService } from '../../../../editor/common/services/model.js';
+import { ChatInputPart } from './chatInputPart.js';
 import { ChatRelatedFilesContribution } from './contrib/chatInputRelatedFilesContrib.js';
 
 // Register configuration
@@ -183,6 +189,9 @@ class ChatResolverContribution extends Disposable {
 	constructor(
 		@IEditorResolverService editorResolverService: IEditorResolverService,
 		@IInstantiationService instantiationService: IInstantiationService,
+		@ITextModelService private readonly textModelService: ITextModelService,
+		@IModelService private readonly modelService: IModelService,
+		@ILanguageService private readonly languageService: ILanguageService
 	) {
 		super();
 
@@ -203,12 +212,32 @@ class ChatResolverContribution extends Disposable {
 				}
 			}
 		));
+
+		this._register(new ChatInputBoxContentProvider(this.textModelService, this.modelService, this.languageService));
 	}
 }
 
 AccessibleViewRegistry.register(new ChatResponseAccessibleView());
 AccessibleViewRegistry.register(new PanelChatAccessibilityHelp());
 AccessibleViewRegistry.register(new QuickChatAccessibilityHelp());
+class ChatInputBoxContentProvider extends Disposable implements ITextModelContentProvider {
+	constructor(
+		textModelService: ITextModelService,
+		private readonly modelService: IModelService,
+		private readonly languageService: ILanguageService,
+	) {
+		super();
+		this._register(textModelService.registerTextModelContentProvider(ChatInputPart.INPUT_SCHEME, this));
+	}
+
+	async provideTextContent(resource: URI): Promise<ITextModel | null> {
+		const existing = this.modelService.getModel(resource);
+		if (existing) {
+			return existing;
+		}
+		return this.modelService.createModel('', this.languageService.createById('chatinput'), resource);
+	}
+}
 
 class ChatSlashStaticSlashCommandsContribution extends Disposable {
 

src/vs/workbench/contrib/chat/browser/chatContentParts/chatAttachmentsContentPart.ts

@@ -4,6 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as dom from '../../../../../base/browser/dom.js';
+import { IManagedHoverTooltipMarkdownString } from '../../../../../base/browser/ui/hover/hover.js';
 import { createInstantHoverDelegate } from '../../../../../base/browser/ui/hover/hoverDelegateFactory.js';
 import { Emitter } from '../../../../../base/common/event.js';
 import { Disposable, DisposableStore } from '../../../../../base/common/lifecycle.js';
@@ -19,8 +20,8 @@ import { IInstantiationService } from '../../../../../platform/instantiation/com
 import { IOpenerService, OpenInternalOptions } from '../../../../../platform/opener/common/opener.js';
 import { FolderThemeIcon, IThemeService } from '../../../../../platform/theme/common/themeService.js';
 import { ResourceLabels } from '../../../../browser/labels.js';
+import { IChatRequestVariableEntry, isPasteVariableEntry } from '../../common/chatModel.js';
 import { revealInSideBarCommand } from '../../../files/browser/fileActions.contribution.js';
-import { IChatRequestVariableEntry } from '../../common/chatModel.js';
 import { ChatResponseReferencePartStatusKind, IChatContentReference } from '../../common/chatService.js';
 
 export class ChatAttachmentsContentPart extends Disposable {
@@ -126,6 +127,25 @@ export class ChatAttachmentsContentPart extends Disposable {
 				if (!this.attachedContextDisposables.isDisposed) {
 					this.attachedContextDisposables.add(this.hoverService.setupManagedHover(hoverDelegate, widget, hoverElement));
 				}
+			} else if (isPasteVariableEntry(attachment)) {
+				ariaLabel = localize('chat.attachment', "Attached context, {0}", attachment.name);
+
+				const hoverContent: IManagedHoverTooltipMarkdownString = {
+					markdown: {
+						value: `\`\`\`${attachment.language}\n${attachment.code}\n\`\`\``,
+					},
+					markdownNotSupportedFallback: attachment.code,
+				};
+
+				const classNames = ['file-icon', `${attachment.language}-lang-file-icon`];
+				label.setLabel(attachment.fileName, undefined, { extraClasses: classNames });
+				widget.appendChild(dom.$('span.attachment-additional-info', {}, `Pasted ${attachment.pastedLines}`));
+
+				widget.style.position = 'relative';
+
+				if (!this.attachedContextDisposables.isDisposed) {
+					this.attachedContextDisposables.add(this.hoverService.setupManagedHover(hoverDelegate, widget, hoverContent, { trapFocus: true }));
+				}
 			} else {
 				const attachmentLabel = attachment.fullName ?? attachment.name;
 				const withIcon = attachment.icon?.id ? `$(${attachment.icon.id}) ${attachmentLabel}` : attachmentLabel;

src/vs/workbench/contrib/chat/browser/chatInputPart.ts

@@ -11,6 +11,7 @@ import { StandardKeyboardEvent } from '../../../../base/browser/keyboardEvent.js
 import { StandardMouseEvent } from '../../../../base/browser/mouseEvent.js';
 import * as aria from '../../../../base/browser/ui/aria/aria.js';
 import { Button } from '../../../../base/browser/ui/button/button.js';
+import { IManagedHoverTooltipMarkdownString } from '../../../../base/browser/ui/hover/hover.js';
 import { IHoverDelegate } from '../../../../base/browser/ui/hover/hoverDelegate.js';
 import { createInstantHoverDelegate } from '../../../../base/browser/ui/hover/hoverDelegateFactory.js';
 import { renderLabelWithIcons } from '../../../../base/browser/ui/iconLabel/iconLabels.js';
@@ -75,7 +76,7 @@ import { revealInSideBarCommand } from '../../files/browser/fileActions.contribu
 import { ChatAgentLocation, IChatAgentService } from '../common/chatAgents.js';
 import { ChatContextKeys } from '../common/chatContextKeys.js';
 import { ChatEditingSessionState, IChatEditingService, IChatEditingSession, WorkingSetEntryState } from '../common/chatEditingService.js';
-import { IChatRequestVariableEntry } from '../common/chatModel.js';
+import { IChatRequestVariableEntry, isPasteVariableEntry } from '../common/chatModel.js';
 import { ChatRequestDynamicVariablePart } from '../common/chatParserTypes.js';
 import { IChatFollowup } from '../common/chatService.js';
 import { IChatResponseViewModel } from '../common/chatViewModel.js';
@@ -842,6 +843,23 @@ export class ChatInputPart extends Disposable implements IHistoryNavigationWidge
 					store.add(this.hoverService.setupManagedHover(hoverDelegate, widget, hoverElement, { trapFocus: false }));
 					resolve();
 				}));
+			} else if (isPasteVariableEntry(attachment)) {
+				ariaLabel = localize('chat.attachment', "Attached context, {0}", attachment.name);
+
+				const hoverContent: IManagedHoverTooltipMarkdownString = {
+					markdown: {
+						value: `\`\`\`${attachment.language}\n${attachment.code}\n\`\`\``,
+					},
+					markdownNotSupportedFallback: attachment.code,
+				};
+
+				const classNames = ['file-icon', `${attachment.language}-lang-file-icon`];
+				label.setLabel(attachment.fileName, undefined, { extraClasses: classNames });
+				widget.appendChild(dom.$('span.attachment-additional-info', {}, `Pasted ${attachment.pastedLines}`));
+
+				widget.style.position = 'relative';
+				store.add(this.hoverService.setupManagedHover(hoverDelegate, widget, hoverContent, { trapFocus: true }));
+				this.attachButtonAndDisposables(widget, index, attachment, hoverDelegate);
 			} else {
 				const attachmentLabel = attachment.fullName ?? attachment.name;
 				const withIcon = attachment.icon?.id ? `$(${attachment.icon.id}) ${attachmentLabel}` : attachmentLabel;