fix(sdk): Add theming options for Collection Browser's empty content message (#44281)

enterprise/frontend/src/embedding-sdk/components/public/CollectionBrowser/CollectionBrowser.tsx

-import { type CSSProperties, useState } from "react";
+import { type ComponentType, type CSSProperties, useState } from "react";
 
 import { withPublicComponentWrapper } from "embedding-sdk/components/private/PublicComponentWrapper";
 import { COLLECTION_PAGE_SIZE } from "metabase/collections/components/CollectionContent";
@@ -37,6 +37,7 @@ type CollectionBrowserProps = {
   onClick?: (item: CollectionItem) => void;
   pageSize?: number;
   visibleEntityTypes?: UserFacingEntityName[];
+  EmptyContentComponent?: ComponentType | null;
   className?: string;
   style?: CSSProperties;
 };
@@ -46,6 +47,7 @@ export const CollectionBrowserInner = ({
   onClick,
   pageSize = COLLECTION_PAGE_SIZE,
   visibleEntityTypes = [...USER_FACING_ENTITY_NAMES],
+  EmptyContentComponent = null,
   className,
   style,
 }: CollectionBrowserProps) => {
@@ -84,6 +86,7 @@ export const CollectionBrowserInner = ({
         pageSize={pageSize}
         models={collectionTypes}
         showActionMenu={false}
+        EmptyContentComponent={EmptyContentComponent ?? undefined}
       />
     </Box>
   );

enterprise/frontend/src/embedding-sdk/lib/theme/default-component-theme.ts

@@ -38,6 +38,18 @@ export const DEFAULT_METABASE_COMPONENT_THEME: MetabaseComponentTheme = {
         hoverBackgroundColor: "var(--mb-color-brand)",
       },
     },
+    emptyContent: {
+      icon: {
+        width: "117",
+        height: "94",
+      },
+      title: {
+        fontSize: "1.5rem",
+      },
+      subtitle: {
+        fontSize: "1rem",
+      },
+    },
   },
   dashboard: {
     backgroundColor: "var(--mb-color-bg-white)",

enterprise/frontend/src/embedding-sdk/types/theme/index.ts

+import type { CSSProperties } from "react";
+
 import type { ColorName } from "metabase/lib/colors/types";
 
 import type { MetabaseFontFamily } from "../fonts";
@@ -135,7 +137,7 @@ export type MetabaseComponentTheme = {
   scalar?: {
     /** The primary numerical value */
     value?: {
-      fontSize?: string;
+      fontSize?: CSSProperties["fontSize"];
       lineHeight?: string;
     };
   };
@@ -164,6 +166,18 @@ export type MetabaseComponentTheme = {
         hoverTextColor: ColorCssVariableOrString;
       };
     };
+    emptyContent: {
+      icon: {
+        width: CSSProperties["width"];
+        height: CSSProperties["width"];
+      };
+      title: {
+        fontSize: CSSProperties["fontSize"];
+      };
+      subtitle: {
+        fontSize: CSSProperties["fontSize"];
+      };
+    };
   };
 };
 

frontend/src/metabase/collections/components/CollectionContent/CollectionItemsTable.tsx

 /* eslint-disable react/prop-types */
 import cx from "classnames";
-import { useCallback, useEffect, useState } from "react";
+import { type ComponentType, useCallback, useEffect, useState } from "react";
 
 import {
   ALL_MODELS,
@@ -69,8 +69,23 @@ export type CollectionItemsTableProps = {
   toggleItem: (item: CollectionItem) => void;
   onClick: (item: CollectionItem) => void;
   showActionMenu: boolean;
+  EmptyContentComponent?: ComponentType<{
+    collection?: Collection;
+  }>;
 }>;
 
+const DefaultEmptyContentComponent = ({
+  collection,
+}: {
+  collection?: Collection;
+}) => {
+  return (
+    <CollectionEmptyContent>
+      <CollectionEmptyState collection={collection} />
+    </CollectionEmptyContent>
+  );
+};
+
 export const CollectionItemsTable = ({
   collectionId,
   collection,
@@ -91,6 +106,7 @@ export const CollectionItemsTable = ({
   models = ALL_MODELS,
   onClick,
   showActionMenu = true,
+  EmptyContentComponent = DefaultEmptyContentComponent,
 }: CollectionItemsTableProps) => {
   const isEmbeddingSdk = useSelector(getIsEmbeddingSdk);
 
@@ -168,11 +184,7 @@ export const CollectionItemsTable = ({
           !loading && !hasPinnedItems && unpinnedItems.length === 0;
 
         if (isEmpty && !loadingUnpinnedItems) {
-          return (
-            <CollectionEmptyContent>
-              <CollectionEmptyState collection={collection} />
-            </CollectionEmptyContent>
-          );
+          return <EmptyContentComponent collection={collection} />;
         }
 
         return (

frontend/src/metabase/collections/components/CollectionEmptyState/CollectionEmptyState.styled.tsx

 import styled from "@emotion/styled";
 
-export const EmptyStateRoot = styled.div`
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-`;
-
-export const EmptyStateTitle = styled.div`
-  color: var(--mb-color-text-dark);
-  font-size: 1.5rem;
-  font-weight: bold;
-  line-height: 2rem;
-  margin-top: 2.5rem;
-  margin-bottom: 0.75rem;
-`;
-
 export const EmptyStateIconForeground = styled.path`
   fill: var(--mb-color-bg-light);
   stroke: var(--mb-color-brand);

frontend/src/metabase/collections/components/CollectionEmptyState/CollectionEmptyState.tsx

+import type { PropsWithChildren } from "react";
 import { t } from "ttag";
 
 import { isRootTrashCollection } from "metabase/collections/utils";
 import NewItemMenu from "metabase/containers/NewItemMenu";
 import Button from "metabase/core/components/Button";
 import { color } from "metabase/lib/colors";
-import { Icon, Text } from "metabase/ui";
+import { Box, Icon, Stack, Text, useMantineTheme } from "metabase/ui";
 import type { Collection } from "metabase-types/api";
 
 import {
   EmptyStateIconBackground,
   EmptyStateIconForeground,
-  EmptyStateRoot,
-  EmptyStateTitle,
 } from "./CollectionEmptyState.styled";
 
 export interface CollectionEmptyStateProps {
@@ -35,22 +34,22 @@ const CollectionEmptyState = ({
 
 const TrashEmptyState = () => {
   return (
-    <EmptyStateRoot data-testid="collection-empty-state">
+    <EmptyStateWrapper>
       <Icon name="trash" size={80} color={color("brand-light")} />
       <EmptyStateTitle>{t`Nothing here`}</EmptyStateTitle>
-      <Text size="1rem" color="text-medium" align="center" mb="1.5rem">
+      <EmptyStateSubtitle>
         {t`Deleted items will appear here.`}
-      </Text>
-    </EmptyStateRoot>
+      </EmptyStateSubtitle>
+    </EmptyStateWrapper>
   );
 };
 
 const ArchivedCollectionEmptyState = () => {
   return (
-    <EmptyStateRoot data-testid="collection-empty-state">
+    <EmptyStateWrapper>
       <CollectionEmptyIcon />
       <EmptyStateTitle>{t`This collection is empty`}</EmptyStateTitle>
-    </EmptyStateRoot>
+    </EmptyStateWrapper>
   );
 };
 
@@ -60,25 +59,32 @@ const DefaultCollectionEmptyState = ({
   const canWrite = !!collection?.can_write;
 
   return (
-    <EmptyStateRoot data-testid="collection-empty-state">
+    <EmptyStateWrapper>
       <CollectionEmptyIcon />
       <EmptyStateTitle>{t`This collection is empty`}</EmptyStateTitle>
-      <Text size="1rem" color="text-medium" align="center" mb="1.5rem">
+      <EmptyStateSubtitle>
         {t`Use collections to organize and group dashboards and questions for your team or yourself`}
-      </Text>
+      </EmptyStateSubtitle>
       {canWrite && (
         <NewItemMenu
           trigger={<Button icon="add">{t`Create a new…`}</Button>}
           collectionId={collection?.id}
         />
       )}
-    </EmptyStateRoot>
+    </EmptyStateWrapper>
   );
 };
 
 const CollectionEmptyIcon = (): JSX.Element => {
+  const theme = useMantineTheme();
   return (
-    <svg width="117" height="94" fill="none" xmlns="http://www.w3.org/2000/svg">
+    <svg
+      viewBox="0 0 117 94"
+      width={theme.other.collectionBrowser.emptyContent.icon.width}
+      height={theme.other.collectionBrowser.emptyContent.icon.height}
+      fill="none"
+      xmlns="http://www.w3.org/2000/svg"
+    >
       <EmptyStateIconForeground
         fillRule="evenodd"
         clipRule="evenodd"
@@ -93,5 +99,43 @@ const CollectionEmptyIcon = (): JSX.Element => {
   );
 };
 
+const EmptyStateTitle = ({ children }: PropsWithChildren) => {
+  const theme = useMantineTheme();
+  return (
+    <Box
+      c="text-dark"
+      fz={theme.other.collectionBrowser.emptyContent.title.fontSize}
+      fw="bold"
+      lh="2rem"
+      mt="2.5rem"
+      mb="0.75rem"
+    >
+      {children}
+    </Box>
+  );
+};
+
+const EmptyStateSubtitle = ({ children }: PropsWithChildren) => {
+  const theme = useMantineTheme();
+  return (
+    <Text
+      size={theme.other.collectionBrowser.emptyContent.subtitle.fontSize}
+      color="text-medium"
+      align="center"
+      mb="1.5rem"
+    >
+      {children}
+    </Text>
+  );
+};
+
+const EmptyStateWrapper = ({ children }: PropsWithChildren) => {
+  return (
+    <Stack data-testid="collection-empty-state" align="center" spacing={0}>
+      {children}
+    </Stack>
+  );
+};
+
 // eslint-disable-next-line import/no-default-export -- deprecated usage
 export default CollectionEmptyState;