explorer: add download command

src/vs/workbench/contrib/files/browser/fileActions.contribution.ts

@@ -5,7 +5,7 @@
 
 import * as nls from 'vs/nls';
 import { Registry } from 'vs/platform/registry/common/platform';
-import { ToggleAutoSaveAction, GlobalNewUntitledFileAction, ShowOpenedFileInNewWindow, FocusFilesExplorer, GlobalCompareResourcesAction, SaveAllAction, ShowActiveFileInExplorer, CollapseExplorerView, RefreshExplorerView, CompareWithClipboardAction, NEW_FILE_COMMAND_ID, NEW_FILE_LABEL, NEW_FOLDER_COMMAND_ID, NEW_FOLDER_LABEL, TRIGGER_RENAME_LABEL, MOVE_FILE_TO_TRASH_LABEL, COPY_FILE_LABEL, PASTE_FILE_LABEL, FileCopiedContext, renameHandler, moveFileToTrashHandler, copyFileHandler, pasteFileHandler, deleteFileHandler, cutFileHandler } from 'vs/workbench/contrib/files/browser/fileActions';
+import { ToggleAutoSaveAction, GlobalNewUntitledFileAction, ShowOpenedFileInNewWindow, FocusFilesExplorer, GlobalCompareResourcesAction, SaveAllAction, ShowActiveFileInExplorer, CollapseExplorerView, RefreshExplorerView, CompareWithClipboardAction, NEW_FILE_COMMAND_ID, NEW_FILE_LABEL, NEW_FOLDER_COMMAND_ID, NEW_FOLDER_LABEL, TRIGGER_RENAME_LABEL, MOVE_FILE_TO_TRASH_LABEL, COPY_FILE_LABEL, PASTE_FILE_LABEL, FileCopiedContext, renameHandler, moveFileToTrashHandler, copyFileHandler, pasteFileHandler, deleteFileHandler, cutFileHandler, DOWNLOAD_COMMAND_ID } from 'vs/workbench/contrib/files/browser/fileActions';
 import { revertLocalChangesCommand, acceptLocalChangesCommand, CONFLICT_RESOLUTION_CONTEXT } from 'vs/workbench/contrib/files/browser/saveErrorHandler';
 import { SyncActionDescriptor, MenuId, MenuRegistry, ILocalizedString } from 'vs/platform/actions/common/actions';
 import { IWorkbenchActionRegistry, Extensions as ActionExtensions } from 'vs/workbench/common/actions';
@@ -195,6 +195,8 @@ function appendToCommandPalette(id: string, title: ILocalizedString, category: I
 		when
 	});
 }
+
+const downloadLabel = nls.localize('download', "Download");
 appendToCommandPalette(COPY_PATH_COMMAND_ID, { value: nls.localize('copyPathOfActive', "Copy Path of Active File"), original: 'Copy Path of Active File' }, category);
 appendToCommandPalette(COPY_RELATIVE_PATH_COMMAND_ID, { value: nls.localize('copyRelativePathOfActive', "Copy Relative Path of Active File"), original: 'Copy Relative Path of Active File' }, category);
 appendToCommandPalette(SAVE_FILE_COMMAND_ID, { value: SAVE_FILE_LABEL, original: 'Save' }, category);
@@ -208,6 +210,7 @@ appendToCommandPalette(SAVE_FILE_AS_COMMAND_ID, { value: SAVE_FILE_AS_LABEL, ori
 appendToCommandPalette(CLOSE_EDITOR_COMMAND_ID, { value: nls.localize('closeEditor', "Close Editor"), original: 'Close Editor' }, { value: nls.localize('view', "View"), original: 'View' });
 appendToCommandPalette(NEW_FILE_COMMAND_ID, { value: NEW_FILE_LABEL, original: 'New File' }, category);
 appendToCommandPalette(NEW_FOLDER_COMMAND_ID, { value: NEW_FOLDER_LABEL, original: 'New Folder' }, category);
+appendToCommandPalette(DOWNLOAD_COMMAND_ID, { value: downloadLabel, original: 'Download' }, category, ResourceContextKey.Scheme.isEqualTo(Schemas.vscodeRemote));
 
 // Menu registration - open editors
 
@@ -459,6 +462,16 @@ MenuRegistry.appendMenuItem(MenuId.ExplorerContext, {
 	when: ExplorerFolderContext
 });
 
+MenuRegistry.appendMenuItem(MenuId.ExplorerContext, {
+	group: '5_cutcopypaste',
+	order: 30,
+	command: {
+		id: DOWNLOAD_COMMAND_ID,
+		title: downloadLabel,
+	},
+	when: ResourceContextKey.Scheme.isEqualTo(Schemas.vscodeRemote)
+});
+
 MenuRegistry.appendMenuItem(MenuId.ExplorerContext, {
 	group: '6_copypath',
 	order: 30,

src/vs/workbench/contrib/files/browser/fileActions.ts

@@ -36,7 +36,7 @@ import { ICommandService, CommandsRegistry } from 'vs/platform/commands/common/c
 import { IListService, ListWidget } from 'vs/platform/list/browser/listService';
 import { RawContextKey } from 'vs/platform/contextkey/common/contextkey';
 import { Schemas } from 'vs/base/common/network';
-import { IDialogService, IConfirmationResult, getConfirmMessage } from 'vs/platform/dialogs/common/dialogs';
+import { IDialogService, IConfirmationResult, getConfirmMessage, IFileDialogService } from 'vs/platform/dialogs/common/dialogs';
 import { INotificationService, Severity } from 'vs/platform/notification/common/notification';
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { Constants } from 'vs/editor/common/core/uint';
@@ -45,6 +45,8 @@ import { coalesce } from 'vs/base/common/arrays';
 import { AsyncDataTree } from 'vs/base/browser/ui/tree/asyncDataTree';
 import { ExplorerItem, NewExplorerItem } from 'vs/workbench/contrib/files/common/explorerModel';
 import { onUnexpectedError } from 'vs/base/common/errors';
+import { IEnvironmentService } from 'vs/platform/environment/common/environment';
+import { join, basename } from 'vs/base/common/path';
 
 export const NEW_FILE_COMMAND_ID = 'explorer.newFile';
 export const NEW_FILE_LABEL = nls.localize('newFile', "New File");
@@ -974,6 +976,34 @@ export const cutFileHandler = (accessor: ServicesAccessor) => {
 	}
 };
 
+export const DOWNLOAD_COMMAND_ID = 'explorer.download';
+const downloadFileHandler = (accessor: ServicesAccessor) => {
+	const listService = accessor.get(IListService);
+	if (!listService.lastFocusedList) {
+		return;
+	}
+	const explorerContext = getContext(listService.lastFocusedList);
+	const textFileService = accessor.get(ITextFileService);
+	const fileDialogService = accessor.get(IFileDialogService);
+	const environmentService = accessor.get(IEnvironmentService);
+
+	if (explorerContext.stat) {
+		const stats = explorerContext.selection.length > 1 ? explorerContext.selection : [explorerContext.stat];
+		stats.forEach(async s => {
+			const resource = await fileDialogService.showSaveDialog({
+				defaultUri: URI.file(join(environmentService.userHome, basename(s.resource.path)))
+			});
+			if (resource) {
+				await textFileService.saveAs(s.resource, resource);
+			}
+		});
+	}
+};
+CommandsRegistry.registerCommand({
+	id: DOWNLOAD_COMMAND_ID,
+	handler: downloadFileHandler
+});
+
 export const pasteFileHandler = (accessor: ServicesAccessor) => {
 	const listService = accessor.get(IListService);
 	const clipboardService = accessor.get(IClipboardService);