web: add option to preview attachments in attachment manager

apps/web/src/app.css

@@ -115,13 +115,13 @@ textarea,
 }
 
 .rpv-core__text-layer-text::selection {
-  background-color: var(--background-selected) !important;
+  background-color: var(--accent-selected) !important;
   color: transparent;
 }
 
 .rpv-core__text-layer-text::-moz-selection {
   /* Code for Firefox */
-  background-color: var(--background-selected) !important;
+  background-color: var(--accent-selected) !important;
   color: transparent;
 }
 

apps/web/src/common/attachments.ts → apps/web/src/common/attachments.tsx

@@ -22,6 +22,10 @@ import { logger } from "../utils/logger";
 import { showToast } from "../utils/toast";
 import { db } from "./db";
 import { checkUpload, decryptFile, saveFile } from "../interfaces/fs";
+import { ScopedThemeProvider } from "../components/theme-provider";
+import { Lightbox } from "../components/lightbox";
+import ReactDOM from "react-dom";
+import { Attachment } from "@notesnook/core";
 
 async function download(hash: string, groupId?: string) {
   const attachment = await db.attachments.attachment(hash);
@@ -127,3 +131,29 @@ export async function checkAttachment(hash: string) {
   }
   return { success: true };
 }
+
+export async function previewImageAttachment(attachment: Attachment) {
+  const container = document.getElementById("dialogContainer");
+  if (!(container instanceof HTMLElement)) return;
+
+  const dataurl = await downloadAttachment(
+    attachment.hash,
+    "base64",
+    attachment.id
+  );
+  if (!dataurl) {
+    return showToast("error", strings.imagePreviewFailed());
+  }
+
+  ReactDOM.render(
+    <ScopedThemeProvider>
+      <Lightbox
+        image={dataurl}
+        onClose={() => {
+          ReactDOM.unmountComponentAtNode(container);
+        }}
+      />
+    </ScopedThemeProvider>,
+    container
+  );
+}

apps/web/src/components/attachment/index.tsx

@@ -33,14 +33,19 @@ import {
   FileWebClip,
   Icon,
   Loading,
+  PasswordInvisible,
   References,
   Rename,
   Reupload,
   Uploading
 } from "../icons";
 import { store, useStore } from "../../stores/attachment-store";
 import { db } from "../../common/db";
-import { saveAttachment } from "../../common/attachments";
+import {
+  downloadAttachment,
+  previewImageAttachment,
+  saveAttachment
+} from "../../common/attachments";
 import { reuploadAttachment } from "../editor/picker";
 import { Multiselect } from "../../common/multi-select";
 import { Menu } from "../../hooks/use-menu";
@@ -59,6 +64,8 @@ import { PromptDialog } from "../../dialogs/prompt";
 import { DialogManager } from "../../common/dialog-manager";
 import { useStore as useSelectionStore } from "../../stores/selection-store";
 import { strings } from "@notesnook/intl";
+import { showToast } from "../../utils/toast";
+import { PdfPreviewDialog } from "../../dialogs/pdf-preview-dialog";
 
 const FILE_ICONS: Record<string, Icon> = {
   "image/": FileImage,
@@ -249,6 +256,34 @@ const AttachmentMenuItems: (
   status?: AttachmentProgressStatus
 ) => MenuItem[] = (attachment, status) => {
   return [
+    {
+      key: "preview-attachment",
+      type: "button",
+      title: strings.previewAttachment(),
+      icon: PasswordInvisible.path,
+      isHidden:
+        !attachment.mimeType.startsWith("image/") &&
+        attachment.mimeType !== PDFMimeType,
+      onClick: async () => {
+        if (attachment.mimeType.startsWith("image")) {
+          await previewImageAttachment(attachment);
+        } else if (attachment.mimeType === PDFMimeType) {
+          const blob = await downloadAttachment(
+            attachment.hash,
+            "blob",
+            attachment.id
+          );
+          if (!blob) {
+            return showToast("error", strings.attachmentPreviewFailed());
+          }
+
+          PdfPreviewDialog.show({
+            url: URL.createObjectURL(blob),
+            hash: attachment.hash
+          });
+        }
+      }
+    },
     {
       key: "notes",
       type: "button",

apps/web/src/components/dialog/index.tsx

@@ -44,6 +44,7 @@ type DialogProps = SxProp & {
   ) => void;
   onOpen?: () => void;
   width?: number | string;
+  height?: number | string;
   showCloseButton?: boolean;
   textAlignment?: "left" | "right" | "center";
   buttonsAlignment?: "start" | "center" | "end";
@@ -98,7 +99,7 @@ function BaseDialog(props: React.PropsWithChildren<DialogProps>) {
           display: "flex",
           flexDirection: "column",
           width: ["100%", "90%", props.width || "380px"],
-          maxHeight: ["100%", "80%", "70%"],
+          maxHeight: ["100%", "80%", props.height || "70%"],
           height: ["100%", "auto", "auto"],
           bg: "background",
           alignSelf: "center",

apps/web/src/components/editor/index.tsx

@@ -26,7 +26,6 @@ import React, {
   useLayoutEffect,
   useCallback
 } from "react";
-import ReactDOM from "react-dom";
 import { Box, Button, Flex, Progress, Text } from "@theme-ui/components";
 import Properties from "../properties";
 import {
@@ -53,13 +52,16 @@ import Header from "./header";
 import { Attachment } from "../icons";
 import { attachFiles, AttachmentProgress, insertAttachments } from "./picker";
 import { useEditorManager } from "./manager";
-import { saveAttachment, downloadAttachment } from "../../common/attachments";
+import {
+  saveAttachment,
+  downloadAttachment,
+  previewImageAttachment
+} from "../../common/attachments";
 import { EV, EVENTS } from "@notesnook/core";
 import { db } from "../../common/db";
 import Titlebox, { resizeTextarea } from "./title-box";
 import Config from "../../utils/config";
 import { ScopedThemeProvider } from "../theme-provider";
-import { Lightbox } from "../lightbox";
 import { showToast } from "../../utils/toast";
 import { Item, MaybeDeletedItem, isDeleted } from "@notesnook/core";
 import { debounce, debounceWithId } from "@notesnook/common";
@@ -571,24 +573,7 @@ export function Editor(props: EditorProps) {
           const { hash, type } = data;
           const attachment = await db.attachments.attachment(hash);
           if (attachment && type === "image") {
-            const container = document.getElementById("dialogContainer");
-            if (!(container instanceof HTMLElement)) return;
-
-            const dataurl = await downloadAttachment(hash, "base64", id);
-            if (!dataurl)
-              return showToast("error", strings.imagePreviewFailed());
-
-            ReactDOM.render(
-              <ScopedThemeProvider>
-                <Lightbox
-                  image={dataurl}
-                  onClose={() => {
-                    ReactDOM.unmountComponentAtNode(container);
-                  }}
-                />
-              </ScopedThemeProvider>,
-              container
-            );
+            await previewImageAttachment(attachment);
           } else if (
             attachment &&
             onPreviewDocument &&

apps/web/src/dialogs/pdf-preview-dialog.tsx

@@ -0,0 +1,55 @@
+/*
+This file is part of the Notesnook project (https://notesnook.com/)
+
+Copyright (C) 2023 Streetwriters (Private) Limited
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import React, { Suspense } from "react";
+import { BaseDialogProps, DialogManager } from "../common/dialog-manager";
+import Dialog from "../components/dialog";
+import { Loading } from "../components/icons";
+
+const PdfPreview = React.lazy(() => import("../components/pdf-preview"));
+
+type PdfPreviewDialogProps = BaseDialogProps<boolean> & {
+  url: string;
+  hash: string;
+};
+
+export const PdfPreviewDialog = DialogManager.register(
+  function PdfPreviewDialog({ onClose, url, hash }: PdfPreviewDialogProps) {
+    return (
+      <Dialog
+        isOpen={true}
+        width="100%"
+        height="100%"
+        noScroll
+        sx={{
+          py: 1
+        }}
+        onClose={() => onClose(false)}
+      >
+        <Suspense fallback={<Loading />}>
+          <PdfPreview
+            fileUrl={url}
+            hash={hash}
+            onClose={() => onClose(false)}
+          />
+        </Suspense>
+      </Dialog>
+    );
+  }
+);