make sendToDrive hidable (#493)

Make "sendToDrive" button from share menu hidable.

README.md

@@ -260,7 +260,7 @@ GRIST_DEFAULT_PRODUCT  | if set, this controls enabled features and limits of ne
 GRIST_DEFAULT_LOCALE  | Locale to use as fallback when Grist cannot honour the browser locale.
 GRIST_DOMAIN        | in hosted Grist, Grist is served from subdomains of this domain.  Defaults to "getgrist.com".
 GRIST_EXPERIMENTAL_PLUGINS | enables experimental plugins
-GRIST_HIDE_UI_ELEMENTS | comma-separated list of parts of the UI to hide. Allowed names of parts: `helpCenter,billing,templates,multiSite,multiAccounts`
+GRIST_HIDE_UI_ELEMENTS | comma-separated list of parts of the UI to hide. Allowed names of parts: `helpCenter,billing,templates,multiSite,multiAccounts,sendToDrive`
 GRIST_HOME_INCLUDE_STATIC | if set, home server also serves static resources
 GRIST_HOST          | hostname to use when listening on a port.
 GRIST_ID_PREFIX | for subdomains of form o-*, expect or produce o-${GRIST_ID_PREFIX}*.

app/client/ui/ShareMenu.ts

@@ -11,7 +11,7 @@ import {primaryButton} from 'app/client/ui2018/buttons';
 import {mediaXSmall, testId, theme} from 'app/client/ui2018/cssVars';
 import {icon} from 'app/client/ui2018/icons';
 import {menu, menuAnnotate, menuDivider, menuIcon, menuItem, menuItemLink, menuText} from 'app/client/ui2018/menus';
-import {buildUrlId, parseUrlId} from 'app/common/gristUrls';
+import {buildUrlId, parseUrlId, shouldHideUiElement} from 'app/common/gristUrls';
 import * as roles from 'app/common/roles';
 import {Document} from 'app/common/UserAPI';
 import {dom, DomContents, styled} from 'grainjs';
@@ -244,8 +244,8 @@ function menuExports(doc: Document, pageModel: DocPageModel) {
       href: pageModel.appModel.api.getDocAPI(doc.id).getDownloadXlsxUrl(),
       target: '_blank', download: ''
     }, menuIcon('Download'), t("Export XLSX"), testId('tb-share-option')),
-    menuItem(() => sendToDrive(doc, pageModel),
-      menuIcon('Download'), t("Send to Google Drive"), testId('tb-share-option')),
+    (shouldHideUiElement("sendToDrive") ? null : menuItem(() => sendToDrive(doc, pageModel),
+      menuIcon('Download'), t("Send to Google Drive"), testId('tb-share-option'))),
   ];
 }
 

app/common/gristUrls.ts

@@ -614,7 +614,8 @@ export interface GristLoadConfig {
   userLocale?: string;
 }
 
-export const HideableUiElements = StringUnion("helpCenter", "billing", "templates", "multiSite", "multiAccounts");
+export const HideableUiElements = StringUnion("helpCenter", "billing", "templates", "multiSite", "multiAccounts",
+"sendToDrive");
 export type IHideableUiElement = typeof HideableUiElements.type;
 
 export function shouldHideUiElement(elem: IHideableUiElement): boolean {