update: Add a left drawer to improve workbook management (#453)

* update: add leftbar to app

* style: a few cosmetic changes

* update: allow pinning workbooks

* style: show ellipsis button only on hover

* update: add basic responsiveness

* style: use active state when file and help menus are open

* style: increase transition time

* update: allow duplication of workbooks

* chore: standardize menus

webapp/app.ironcalc.com/frontend/src/App.tsx

@@ -2,6 +2,7 @@ import "./App.css";
 import styled from "@emotion/styled";
 import { useEffect, useState } from "react";
 import { FileBar } from "./components/FileBar";
+import LeftDrawer from "./components/LeftDrawer/LeftDrawer";
 import WelcomeDialog from "./components/WelcomeDialog/WelcomeDialog";
 import {
   get_documentation_model,
@@ -10,6 +11,7 @@ import {
 } from "./components/rpc";
 import {
   createNewModel,
+  deleteModelByUuid,
   deleteSelectedModel,
   isStorageEmpty,
   loadSelectedModelFromStorage,
@@ -27,6 +29,7 @@ function App() {
   const [model, setModel] = useState<Model | null>(null);
   const [showWelcomeDialog, setShowWelcomeDialog] = useState(false);
   const [isTemplatesDialogOpen, setTemplatesDialogOpen] = useState(false);
+  const [isDrawerOpen, setIsDrawerOpen] = useState(false);
 
   useEffect(() => {
     async function start() {
@@ -88,43 +91,71 @@ function App() {
     }
   }, 1000);
 
+  // Handlers for model changes that also update our models state
+  const handleNewModel = () => {
+    const newModel = createNewModel();
+    setModel(newModel);
+  };
+
+  const handleSetModel = (uuid: string) => {
+    const newModel = selectModelFromStorage(uuid);
+    if (newModel) {
+      setModel(newModel);
+    }
+  };
+
+  const handleDeleteModel = () => {
+    const newModel = deleteSelectedModel();
+    if (newModel) {
+      setModel(newModel);
+    }
+  };
+
+  const handleDeleteModelByUuid = (uuid: string) => {
+    const newModel = deleteModelByUuid(uuid);
+    if (newModel) {
+      setModel(newModel);
+    }
+  };
+
   // We could use context for model, but the problem is that it should initialized to null.
   // Passing the property down makes sure it is always defined.
 
   return (
     <Wrapper>
-      <FileBar
+      <LeftDrawer
-        model={model}
+        open={isDrawerOpen}
-        onModelUpload={async (arrayBuffer: ArrayBuffer, fileName: string) => {
+        onClose={() => setIsDrawerOpen(false)}
-          const blob = await uploadFile(arrayBuffer, fileName);
+        newModel={handleNewModel}
-
+        setModel={handleSetModel}
-          const bytes = new Uint8Array(await blob.arrayBuffer());
+        onDelete={handleDeleteModelByUuid}
-          const newModel = Model.from_bytes(bytes);
-          saveModelToStorage(newModel);
-
-          setModel(newModel);
-        }}
-        newModel={() => {
-          const createdModel = createNewModel();
-          setModel(createdModel);
-        }}
-        newModelFromTemplate={() => {
-          setTemplatesDialogOpen(true);
-        }}
-        setModel={(uuid: string) => {
-          const newModel = selectModelFromStorage(uuid);
-          if (newModel) {
-            setModel(newModel);
-          }
-        }}
-        onDelete={() => {
-          const newModel = deleteSelectedModel();
-          if (newModel) {
-            setModel(newModel);
-          }
-        }}
       />
-      <IronCalc model={model} />
+      <MainContent isDrawerOpen={isDrawerOpen}>
+        {isDrawerOpen && (
+          <MobileOverlay onClick={() => setIsDrawerOpen(false)} />
+        )}
+        <FileBar
+          model={model}
+          onModelUpload={async (arrayBuffer: ArrayBuffer, fileName: string) => {
+            const blob = await uploadFile(arrayBuffer, fileName);
+
+            const bytes = new Uint8Array(await blob.arrayBuffer());
+            const newModel = Model.from_bytes(bytes);
+            saveModelToStorage(newModel);
+
+            setModel(newModel);
+          }}
+          newModel={handleNewModel}
+          newModelFromTemplate={() => {
+            setTemplatesDialogOpen(true);
+          }}
+          setModel={handleSetModel}
+          onDelete={handleDeleteModel}
+          isDrawerOpen={isDrawerOpen}
+          setIsDrawerOpen={setIsDrawerOpen}
+        />
+        <IronCalc model={model} />
+      </MainContent>
       {showWelcomeDialog && (
         <WelcomeDialog
           onClose={() => {
@@ -175,13 +206,44 @@ function App() {
 }
 
 const Wrapper = styled("div")`
-  margin: 0px;
+  display: flex;
-  padding: 0px;
   width: 100%;
   height: 100%;
+  position: relative;
+  overflow: hidden;
+`;
+
+const MainContent = styled("div")<{ isDrawerOpen: boolean }>`
+  margin-left: ${({ isDrawerOpen }) => (isDrawerOpen ? "0px" : "-264px")};
+  transition: margin-left 0.2s;
+  width: ${({ isDrawerOpen }) =>
+    isDrawerOpen ? "calc(100% - 264px)" : "100%"};
   display: flex;
   flex-direction: column;
+  position: relative;
+  
+    @media (max-width: 440px) {
+    ${({ isDrawerOpen }) =>
+      isDrawerOpen &&
+      `
+      min-width: 440px;
+    `}
+  
+`;
+
+const MobileOverlay = styled("div")`
   position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: rgba(255, 255, 255, 0.8);
+  z-index: 1;
+  cursor: pointer;
+  
+  @media (min-width: 441px) {
+    display: none;
+  }
 `;
 
 const Loading = styled("div")`

webapp/app.ironcalc.com/frontend/src/components/DeleteWorkbookDialog.tsx

@@ -12,19 +12,9 @@ function DeleteWorkbookDialog(properties: DeleteWorkbookDialogProperties) {
   const deleteButtonRef = useRef<HTMLButtonElement>(null);
 
   useEffect(() => {
-    const root = document.getElementById("root");
-    if (root) {
-      root.style.filter = "blur(2px)";
-    }
     if (deleteButtonRef.current) {
       deleteButtonRef.current.focus();
     }
-    return () => {
-      const root = document.getElementById("root");
-      if (root) {
-        root.style.filter = "none";
-      }
-    };
   }, []);
 
   return (

webapp/app.ironcalc.com/frontend/src/components/FileBar.tsx

@@ -1,6 +1,7 @@
 import styled from "@emotion/styled";
 import type { Model } from "@ironcalc/workbook";
-import { IronCalcIcon, IronCalcLogo } from "@ironcalc/workbook";
+import { IconButton, Tooltip } from "@mui/material";
+import { PanelLeftClose, PanelLeftOpen } from "lucide-react";
 import { useLayoutEffect, useRef, useState } from "react";
 import { FileMenu } from "./FileMenu";
 import { HelpMenu } from "./HelpMenu";
@@ -31,6 +32,8 @@ export function FileBar(properties: {
   setModel: (key: string) => void;
   onModelUpload: (blob: ArrayBuffer, fileName: string) => Promise<void>;
   onDelete: () => void;
+  isDrawerOpen: boolean;
+  setIsDrawerOpen: (open: boolean) => void;
 }) {
   const [isDialogOpen, setIsDialogOpen] = useState(false);
   const spacerRef = useRef<HTMLDivElement>(null);
@@ -48,23 +51,45 @@ export function FileBar(properties: {
 
   return (
     <FileBarWrapper>
-      <StyledDesktopLogo />
+      <Tooltip
-      <StyledIronCalcIcon />
+        title="Toggle sidebar"
-      <Divider />
+        slotProps={{
-      <FileMenu
+          popper: {
-        newModel={properties.newModel}
+            modifiers: [
-        newModelFromTemplate={properties.newModelFromTemplate}
+              {
-        setModel={properties.setModel}
+                name: "offset",
-        onModelUpload={properties.onModelUpload}
+                options: {
-        onDownload={async () => {
+                  offset: [0, -8],
-          const model = properties.model;
+                },
-          const bytes = model.toBytes();
+              },
-          const fileName = model.getName();
+            ],
-          await downloadModel(bytes, fileName);
+          },
         }}
-        onDelete={properties.onDelete}
+      >
-      />
+        <DrawerButton
-      <HelpMenu />
+          // $isDrawerOpen={properties.isDrawerOpen}
+          onClick={() => properties.setIsDrawerOpen(!properties.isDrawerOpen)}
+          disableRipple
+        >
+          {properties.isDrawerOpen ? <PanelLeftClose /> : <PanelLeftOpen />}
+        </DrawerButton>
+      </Tooltip>
+      {width > 440 && (
+        <FileMenu
+          newModel={properties.newModel}
+          newModelFromTemplate={properties.newModelFromTemplate}
+          setModel={properties.setModel}
+          onModelUpload={properties.onModelUpload}
+          onDownload={async () => {
+            const model = properties.model;
+            const bytes = model.toBytes();
+            const fileName = model.getName();
+            await downloadModel(bytes, fileName);
+          }}
+          onDelete={properties.onDelete}
+        />
+      )}
+      {width > 440 && <HelpMenu />}
       <WorkbookTitleWrapper>
         <WorkbookTitle
           name={properties.model.getName()}
@@ -103,35 +128,38 @@ const Spacer = styled("div")`
   flex-grow: 1;
 `;
 
-const StyledDesktopLogo = styled(IronCalcLogo)`
+// const DrawerButton = styled(IconButton)<{ $isDrawerOpen: boolean }>`
-  width: 120px;
+// cursor: ${(props) => (props.$isDrawerOpen ? "w-resize" : "e-resize")};
-  margin-left: 12px;
+const DrawerButton = styled(IconButton)`
-  @media (max-width: 769px) {
+  margin-left: 8px;
-    display: none;
+  height: 32px;
-  }
+  width: 32px;
-`;
+  padding: 8px;
+  border-radius: 4px;
 
-const StyledIronCalcIcon = styled(IronCalcIcon)`
+  svg {
-  width: 36px;
+    stroke-width: 2px;
-  margin-left: 10px;
+    stroke: #757575;
-  @media (min-width: 769px) {
+    width: 16px;
-    display: none;
+    height: 16px;
+  }
+  &:hover {
+    background-color: #f2f2f2;
+  }
+  &:active {
+    background-color: #e0e0e0;
   }
-`;
-
-const Divider = styled("div")`
-  margin: 0px 8px 0px 16px;
-  height: 12px;
-  border-left: 1px solid #e0e0e0;
 `;
 
 // The container must be relative positioned so we can position the title absolutely
 const FileBarWrapper = styled("div")`
   position: relative;
   height: 60px;
+  min-height: 60px;
   width: 100%;
   background: #fff;
   display: flex;
+  gap: 2px;
   align-items: center;
   border-bottom: 1px solid #e0e0e0;
   justify-content: space-between;

webapp/app.ironcalc.com/frontend/src/components/FileMenu.tsx

@@ -1,6 +1,6 @@
 import styled from "@emotion/styled";
 import { Menu, MenuItem, Modal } from "@mui/material";
-import { Check, FileDown, FileUp, Plus, Table2, Trash2 } from "lucide-react";
+import { FileDown, FileUp, Plus, Table2, Trash2 } from "lucide-react";
 import { useRef, useState } from "react";
 import DeleteWorkbookDialog from "./DeleteWorkbookDialog";
 import UploadFileDialog from "./UploadFileDialog";
@@ -19,40 +19,8 @@ export function FileMenu(props: {
   const [isImportMenuOpen, setImportMenuOpen] = useState(false);
   const anchorElement = useRef<HTMLButtonElement>(null);
   const models = getModelsMetadata();
-  const uuids = Object.keys(models);
   const selectedUuid = getSelectedUuid();
   const [isDeleteDialogOpen, setDeleteDialogOpen] = useState(false);
-  const elements = [];
-  for (const uuid of uuids) {
-    elements.push(
-      <MenuItemWrapper
-        key={uuid}
-        onClick={() => {
-          props.setModel(uuid);
-          setMenuOpen(false);
-        }}
-      >
-        <CheckIndicator>
-          {uuid === selectedUuid ? (
-            <StyledIcon>
-              <Check />
-            </StyledIcon>
-          ) : (
-            ""
-          )}
-        </CheckIndicator>
-        <MenuItemText
-          style={{
-            maxWidth: "240px",
-            overflow: "hidden",
-            textOverflow: "ellipsis",
-          }}
-        >
-          {models[uuid]}
-        </MenuItemText>
-      </MenuItemWrapper>,
-    );
-  }
 
   return (
     <>
@@ -90,10 +58,8 @@ export function FileMenu(props: {
             setMenuOpen(false);
           }}
         >
-          <StyledIcon>
+          <Plus />
-            <Plus />
+          New blank workbook
-          </StyledIcon>
-          <MenuItemText>New blank workbook</MenuItemText>
         </MenuItemWrapper>
         <MenuItemWrapper
           onClick={() => {
@@ -101,10 +67,8 @@ export function FileMenu(props: {
             setMenuOpen(false);
           }}
         >
-          <StyledIcon>
+          <Table2 />
-            <Table2 />
+          New from template
-          </StyledIcon>
-          <MenuItemText>New from template</MenuItemText>
         </MenuItemWrapper>
         <MenuItemWrapper
           onClick={() => {
@@ -112,31 +76,23 @@ export function FileMenu(props: {
             setMenuOpen(false);
           }}
         >
-          <StyledIcon>
+          <FileUp />
-            <FileUp />
+          Import
-          </StyledIcon>
-          <MenuItemText>Import</MenuItemText>
         </MenuItemWrapper>
         <MenuDivider />
         <MenuItemWrapper onClick={props.onDownload}>
-          <StyledIcon>
+          <FileDown />
-            <FileDown />
+          Download (.xlsx)
-          </StyledIcon>
-          <MenuItemText>Download (.xlsx)</MenuItemText>
         </MenuItemWrapper>
-        <MenuItemWrapper
+        <DeleteButton
           onClick={() => {
             setDeleteDialogOpen(true);
             setMenuOpen(false);
           }}
         >
-          <StyledIcon>
+          <Trash2 />
-            <Trash2 />
+          Delete workbook
-          </StyledIcon>
+        </DeleteButton>
-          <MenuItemText>Delete workbook</MenuItemText>
-        </MenuItemWrapper>
-        <MenuDivider />
-        {elements}
       </Menu>
       <Modal
         open={isImportMenuOpen}
@@ -162,25 +118,14 @@ export function FileMenu(props: {
         <DeleteWorkbookDialog
           onClose={() => setDeleteDialogOpen(false)}
           onConfirm={props.onDelete}
-          workbookName={selectedUuid ? models[selectedUuid] : ""}
+          workbookName={selectedUuid ? models[selectedUuid].name : ""}
         />
       </Modal>
     </>
   );
 }
 
-const StyledIcon = styled.div`
+export const MenuDivider = styled.div`
-  display: flex;
-  align-items: center;
-  svg {
-    width: 16px;
-    height: 100%;
-    color: #757575;
-    padding-right: 10px;
-  }
-`;
-
-const MenuDivider = styled.div`
   width: 100%;
   margin: auto;
   margin-top: 4px;
@@ -188,12 +133,7 @@ const MenuDivider = styled.div`
   border-top: 1px solid #eeeeee;
 `;
 
-const MenuItemText = styled.div`
+export const MenuItemWrapper = styled(MenuItem)`
-  color: #000;
-  font-size: 12px;
-`;
-
-const MenuItemWrapper = styled(MenuItem)`
   display: flex;
   justify-content: flex-start;
   font-size: 14px;
@@ -203,6 +143,14 @@ const MenuItemWrapper = styled(MenuItem)`
   border-radius: 4px;
   padding: 8px;
   height: 32px;
+  color: #000;
+  font-size: 12px;
+  gap: 8px;
+  svg {
+    width: 16px;
+    height: 100%;
+    color: #757575;
+  }
 `;
 
 const FileMenuWrapper = styled.button<{ $isActive: boolean }>`
@@ -215,14 +163,20 @@ const FileMenuWrapper = styled.button<{ $isActive: boolean }>`
   cursor: pointer;
   background-color: ${(props) => (props.$isActive ? "#e6e6e6" : "transparent")};
   border: none;
-  background: none;
   &:hover {
     background-color: #f2f2f2;
   }
 `;
 
-const CheckIndicator = styled.span`
+export const DeleteButton = styled(MenuItemWrapper)`
-  display: flex;
+  color: #EB5757;
-  justify-content: center;
+  svg {
-  min-width: 26px;
+    color: #EB5757;
+  }
+  &:hover {
+    background-color: #EB57571A;
+  }
+  &:active {
+    background-color: #EB57571A;
+  }
 `;

webapp/app.ironcalc.com/frontend/src/components/HelpMenu.tsx

@@ -1,7 +1,8 @@
 import styled from "@emotion/styled";
-import { Menu, MenuItem } from "@mui/material";
+import { Menu } from "@mui/material";
 import { BookOpen, Keyboard } from "lucide-react";
 import { useRef, useState } from "react";
+import { MenuItemWrapper } from "./FileMenu";
 
 export function HelpMenu() {
   const [isMenuOpen, setMenuOpen] = useState(false);
@@ -61,10 +62,8 @@ export function HelpMenu() {
             );
           }}
         >
-          <StyledIcon>
+          <BookOpen />
-            <BookOpen />
+          Documentation
-          </StyledIcon>
-          <MenuItemText>Documentation</MenuItemText>
         </MenuItemWrapper>
         <MenuItemWrapper
           onClick={() => {
@@ -76,10 +75,8 @@ export function HelpMenu() {
             );
           }}
         >
-          <StyledIcon>
+          <Keyboard />
-            <Keyboard />
+          Keyboard Shortcuts
-          </StyledIcon>
-          <MenuItemText>Keyboard Shortcuts</MenuItemText>
         </MenuItemWrapper>
       </Menu>
     </div>
@@ -96,37 +93,7 @@ const HelpButton = styled.button<{ $isActive?: boolean }>`
   cursor: pointer;
   background-color: ${(props) => (props.$isActive ? "#e6e6e6" : "transparent")};
   border: none;
-  background: none;
   &:hover {
     background-color: #f2f2f2;
   }
 `;
-
-const MenuItemWrapper = styled(MenuItem)`
-  display: flex;
-  align-items: center;
-  justify-content: flex-start;
-  font-size: 14px;
-  width: calc(100% - 8px);
-  min-width: 172px;
-  margin: 0px 4px;
-  border-radius: 4px;
-  padding: 8px;
-  height: 32px;
-`;
-
-const StyledIcon = styled.div`
-  display: flex;
-  align-items: center;
-  svg {
-    width: 16px;
-    height: 100%;
-    color: #757575;
-    padding-right: 10px;
-  }
-`;
-
-const MenuItemText = styled.div`
-  color: #000;
-  font-size: 12px;
-`;

webapp/app.ironcalc.com/frontend/src/components/LeftDrawer/DrawerContent.tsx

@@ -0,0 +1,29 @@
+import styled from "@emotion/styled";
+import WorkbookList from "./WorkbookList";
+
+interface DrawerContentProps {
+  setModel: (key: string) => void;
+  onDelete: (uuid: string) => void;
+}
+
+function DrawerContent(props: DrawerContentProps) {
+  const { setModel, onDelete } = props;
+
+  return (
+    <ContentContainer>
+      <WorkbookList setModel={setModel} onDelete={onDelete} />
+    </ContentContainer>
+  );
+}
+
+const ContentContainer = styled("div")`
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+  padding: 16px 12px;
+  height: 100%;
+  overflow: scroll;
+  font-size: 12px;
+`;
+
+export default DrawerContent;

webapp/app.ironcalc.com/frontend/src/components/LeftDrawer/DrawerFooter.tsx

@@ -0,0 +1,71 @@
+import styled from "@emotion/styled";
+import { BookOpen } from "lucide-react";
+
+function DrawerFooter() {
+  return (
+    <StyledDrawerFooter>
+      <FooterLink
+        href="https://docs.ironcalc.com/"
+        target="_blank"
+        rel="noopener noreferrer"
+      >
+        <OpenBookIcon>
+          <BookOpen />
+        </OpenBookIcon>
+        <FooterLinkText>Documentation</FooterLinkText>
+      </FooterLink>
+    </StyledDrawerFooter>
+  );
+}
+
+const StyledDrawerFooter = styled("div")`
+  display: flex;
+  align-items: center;
+  padding: 12px;
+  justify-content: space-between;
+  max-height: 60px;
+  height: 60px;
+  border-top: 1px solid #e0e0e0;
+  box-sizing: border-box;
+`;
+
+const FooterLink = styled("a")`
+  display: flex;
+  gap: 8px;
+  justify-content: flex-start;
+  font-size: 14px;
+  width: 100%;
+  min-width: 172px;
+  border-radius: 8px;
+  padding: 8px 4px 8px 8px;
+  transition: gap 0.5s;
+  background-color: transparent;
+  color: #000;
+  text-decoration: none;
+  align-items: center;
+
+  &:hover {
+    background-color: #e0e0e0 !important;
+  }
+`;
+
+const OpenBookIcon = styled("div")`
+  height: 16px;
+  width: 16px;
+  svg {
+    height: 16px;
+    width: 16px;
+    stroke: #9e9e9e;
+  }
+`;
+
+const FooterLinkText = styled("div")`
+  color: #000;
+  font-size: 12px;
+  width: 100%;
+  max-width: 240px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+`;
+
+export default DrawerFooter;

webapp/app.ironcalc.com/frontend/src/components/LeftDrawer/DrawerHeader.tsx

@@ -0,0 +1,98 @@
+import styled from "@emotion/styled";
+import { IronCalcIconWhite as IronCalcIcon } from "@ironcalc/workbook";
+import { IconButton, Tooltip } from "@mui/material";
+import { Plus } from "lucide-react";
+import { DialogHeaderLogoWrapper } from "../WelcomeDialog/WelcomeDialog";
+
+interface DrawerHeaderProps {
+  onNewModel: () => void;
+}
+
+function DrawerHeader({ onNewModel }: DrawerHeaderProps) {
+  return (
+    <HeaderContainer>
+      <LogoWrapper>
+        <Logo>
+          <IronCalcIcon />
+        </Logo>
+        <Title>IronCalc</Title>
+      </LogoWrapper>
+      <Tooltip
+        title="New workbook"
+        slotProps={{
+          popper: {
+            modifiers: [
+              {
+                name: "offset",
+                options: {
+                  offset: [0, -8],
+                },
+              },
+            ],
+          },
+        }}
+      >
+        <AddButton onClick={onNewModel}>
+          <PlusIcon />
+        </AddButton>
+      </Tooltip>
+    </HeaderContainer>
+  );
+}
+
+const HeaderContainer = styled("div")`
+  display: flex;
+  align-items: center;
+  padding: 12px 8px 12px 16px;
+  justify-content: space-between;
+  max-height: 60px;
+  min-height: 60px;
+  box-sizing: border-box;
+  box-shadow: 0 1px 0 0 #e0e0e0;
+`;
+
+const LogoWrapper = styled("div")`
+  display: flex;
+  align-items: center;
+  gap: 8px;
+
+`;
+
+const Title = styled("h1")`
+  font-size: 14px;
+  font-weight: 600;
+`;
+
+const Logo = styled(DialogHeaderLogoWrapper)`
+  transform: none;
+  margin-bottom: 0px;
+  padding: 6px;
+`;
+
+const AddButton = styled(IconButton)`
+  margin-left: 8px;
+  height: 32px;
+  width: 32px;
+  padding: 8px;
+  border-radius: 4px;
+
+  svg {
+    stroke-width: 2px;
+    stroke: #757575;
+    width: 16px;
+    height: 16px;
+  }
+  &:hover {
+    background-color: #E0E0E0;
+  }
+  &:active {
+    background-color: #BDBDBD;
+  }
+`;
+
+const PlusIcon = styled(Plus)`
+  width: 16px;
+  height: 16px;
+`;
+
+export default DrawerHeader;

webapp/app.ironcalc.com/frontend/src/components/LeftDrawer/LeftDrawer.tsx

@@ -0,0 +1,52 @@
+import styled from "@emotion/styled";
+import { Drawer } from "@mui/material";
+import DrawerContent from "./DrawerContent";
+import DrawerFooter from "./DrawerFooter";
+import DrawerHeader from "./DrawerHeader";
+
+interface LeftDrawerProps {
+  open: boolean;
+  onClose: () => void;
+  newModel: () => void;
+  setModel: (key: string) => void;
+  onDelete: (uuid: string) => void;
+}
+
+function LeftDrawer({
+  open,
+  onClose,
+  newModel,
+  setModel,
+  onDelete,
+}: LeftDrawerProps) {
+  return (
+    <DrawerWrapper
+      variant="persistent"
+      anchor="left"
+      open={open}
+      onClose={onClose}
+      transitionDuration={200}
+    >
+      <DrawerHeader onNewModel={newModel} />
+      <DrawerContent setModel={setModel} onDelete={onDelete} />
+
+      <DrawerFooter />
+    </DrawerWrapper>
+  );
+}
+
+const DrawerWrapper = styled(Drawer)`
+  width: 264px;
+  height: 100%;
+  flex-shrink: 0;
+  font-family: "Inter", sans-serif;
+
+  .MuiDrawer-paper {
+    width: 264px;
+    background-color: #f5f5f5;
+    overflow: hidden;
+    border-right: 1px solid #e0e0e0;
+  }
+`;
+
+export default LeftDrawer;

webapp/app.ironcalc.com/frontend/src/components/LeftDrawer/WorkbookList.tsx

@@ -0,0 +1,426 @@
+import styled from "@emotion/styled";
+import { Menu, MenuItem, Modal } from "@mui/material";
+import {
+  Copy,
+  EllipsisVertical,
+  FileDown,
+  Pin,
+  PinOff,
+  Table2,
+  Trash2,
+} from "lucide-react";
+import type React from "react";
+import { useEffect, useState } from "react";
+import DeleteWorkbookDialog from "../DeleteWorkbookDialog";
+import { DeleteButton, MenuDivider, MenuItemWrapper } from "../FileMenu";
+import { downloadModel } from "../rpc";
+import {
+  duplicateModel,
+  getModelsMetadata,
+  getSelectedUuid,
+  isWorkbookPinned,
+  selectModelFromStorage,
+  togglePinWorkbook,
+} from "../storage";
+
+interface WorkbookListProps {
+  setModel: (key: string) => void;
+  onDelete: (uuid: string) => void;
+}
+
+function WorkbookList({ setModel, onDelete }: WorkbookListProps) {
+  const [menuAnchorEl, setMenuAnchorEl] = useState<null | HTMLElement>(null);
+  const [selectedWorkbookUuid, setSelectedWorkbookUuid] = useState<
+    string | null
+  >(null);
+  const [isDeleteDialogOpen, setIsDeleteDialogOpen] = useState(false);
+  const [workbookToDelete, setWorkbookToDelete] = useState<string | null>(null);
+  const [intendedSelection, setIntendedSelection] = useState<string | null>(
+    null,
+  );
+
+  const selectedUuid = getSelectedUuid();
+
+  // Clear intended selection when selectedUuid changes from outside
+  useEffect(() => {
+    if (intendedSelection && selectedUuid === intendedSelection) {
+      setIntendedSelection(null);
+    }
+  }, [selectedUuid, intendedSelection]);
+
+  const handleMenuOpen = (
+    event: React.MouseEvent<HTMLButtonElement>,
+    uuid: string,
+  ) => {
+    console.log("Menu open", uuid);
+    event.stopPropagation();
+    setSelectedWorkbookUuid(uuid);
+    setMenuAnchorEl(event.currentTarget);
+    setIntendedSelection(uuid);
+    setModel(uuid);
+  };
+
+  const handleMenuClose = () => {
+    console.log(
+      "Menu closing, selectedWorkbookUuid:",
+      selectedWorkbookUuid,
+      "intendedSelection:",
+      intendedSelection,
+    );
+    setMenuAnchorEl(null);
+    // If we have an intended selection, make sure it's still selected
+    if (intendedSelection && intendedSelection !== selectedUuid) {
+      console.log("Re-selecting intended workbook:", intendedSelection);
+      setModel(intendedSelection);
+    }
+    // Don't reset selectedWorkbookUuid here - we want to keep track of which workbook was selected
+    // The selectedWorkbookUuid will be used for download/delete operations
+  };
+
+  const handleDeleteClick = (uuid: string) => {
+    console.log("Delete workbook:", uuid);
+    setWorkbookToDelete(uuid);
+    setIsDeleteDialogOpen(true);
+    setIntendedSelection(null);
+    handleMenuClose();
+  };
+
+  const handleDeleteConfirm = () => {
+    if (workbookToDelete) {
+      onDelete(workbookToDelete);
+      setWorkbookToDelete(null);
+    }
+    setIsDeleteDialogOpen(false);
+  };
+
+  const handleDeleteCancel = () => {
+    setWorkbookToDelete(null);
+    setIsDeleteDialogOpen(false);
+  };
+
+  const handleDownload = async (uuid: string) => {
+    try {
+      const model = selectModelFromStorage(uuid);
+      if (model) {
+        const bytes = model.toBytes();
+        const fileName = model.getName();
+        await downloadModel(bytes, fileName);
+      }
+    } catch (error) {
+      console.error("Failed to download workbook:", error);
+    }
+  };
+
+  const handlePinToggle = (uuid: string) => {
+    togglePinWorkbook(uuid);
+    setIntendedSelection(null);
+    handleMenuClose();
+  };
+
+  const handleDuplicate = (uuid: string) => {
+    const duplicatedModel = duplicateModel(uuid);
+    if (duplicatedModel) {
+      setIntendedSelection(null);
+      handleMenuClose();
+    }
+  };
+
+  // Group workbooks by pinned status and creation date
+  const groupWorkbooks = () => {
+    const now = Date.now();
+    const millisecondsInDay = 24 * 60 * 60 * 1000;
+    const millisecondsIn30Days = 30 * millisecondsInDay;
+
+    const pinnedModels = [];
+    const modelsCreatedToday = [];
+    const modelsCreatedThisMonth = [];
+    const olderModels = [];
+    const modelsMetadata = getModelsMetadata();
+
+    for (const uuid in modelsMetadata) {
+      const createdAt = modelsMetadata[uuid].createdAt;
+      const age = now - createdAt;
+
+      if (modelsMetadata[uuid].pinned) {
+        pinnedModels.push(uuid);
+      } else if (age < millisecondsInDay) {
+        modelsCreatedToday.push(uuid);
+      } else if (age < millisecondsIn30Days) {
+        modelsCreatedThisMonth.push(uuid);
+      } else {
+        olderModels.push(uuid);
+      }
+    }
+
+    // Sort each group by creation timestamp (newest first)
+    const sortByNewest = (uuids: string[]) =>
+      uuids.sort(
+        (a, b) => modelsMetadata[b].createdAt - modelsMetadata[a].createdAt,
+      );
+
+    return {
+      pinnedModels: sortByNewest(pinnedModels),
+      modelsCreatedToday: sortByNewest(modelsCreatedToday),
+      modelsCreatedThisMonth: sortByNewest(modelsCreatedThisMonth),
+      olderModels: sortByNewest(olderModels),
+    };
+  };
+
+  const {
+    pinnedModels,
+    modelsCreatedToday,
+    modelsCreatedThisMonth,
+    olderModels,
+  } = groupWorkbooks();
+
+  const renderWorkbookItem = (uuid: string) => {
+    const isMenuOpen = menuAnchorEl !== null && selectedWorkbookUuid === uuid;
+    const isAnyMenuOpen = menuAnchorEl !== null;
+    const models = getModelsMetadata();
+    return (
+      <WorkbookListItem
+        key={uuid}
+        onClick={() => {
+          // Prevent clicking on list items when any menu is open
+          if (isAnyMenuOpen) {
+            return;
+          }
+          setModel(uuid);
+        }}
+        selected={uuid === selectedUuid}
+        disableRipple
+        style={{ pointerEvents: isAnyMenuOpen ? "none" : "auto" }}
+      >
+        <StorageIndicator>
+          <Table2 />
+        </StorageIndicator>
+        <WorkbookListText>{models[uuid].name}</WorkbookListText>
+        <EllipsisButton
+          onClick={(e) => handleMenuOpen(e, uuid)}
+          isOpen={isMenuOpen}
+          onMouseDown={(e) => e.stopPropagation()}
+          style={{ pointerEvents: "auto" }}
+        >
+          <EllipsisVertical />
+        </EllipsisButton>
+      </WorkbookListItem>
+    );
+  };
+
+  const renderSection = (title: string, uuids: string[]) => {
+    if (uuids.length === 0) return null;
+
+    return (
+      <SectionContainer key={title}>
+        <SectionTitle>
+          {title === "Pinned" && <Pin />}
+          {title}
+        </SectionTitle>
+        {uuids.map(renderWorkbookItem)}
+      </SectionContainer>
+    );
+  };
+
+  const models = getModelsMetadata();
+
+  return (
+    <>
+      {renderSection("Pinned", pinnedModels)}
+      {renderSection("Today", modelsCreatedToday)}
+      {renderSection("Last 30 Days", modelsCreatedThisMonth)}
+      {renderSection("Older", olderModels)}
+
+      <StyledMenu
+        anchorEl={menuAnchorEl}
+        open={Boolean(menuAnchorEl)}
+        onClose={handleMenuClose}
+        MenuListProps={{
+          dense: true,
+        }}
+        anchorOrigin={{
+          vertical: "bottom",
+          horizontal: "right",
+        }}
+        transformOrigin={{
+          vertical: "top",
+          horizontal: "right",
+        }}
+      >
+        <MenuItemWrapper
+          onClick={() => {
+            console.log(
+              "Download clicked, selectedWorkbookUuid:",
+              selectedWorkbookUuid,
+            );
+            if (selectedWorkbookUuid) {
+              handleDownload(selectedWorkbookUuid);
+            }
+            setIntendedSelection(null);
+            handleMenuClose();
+          }}
+          disableRipple
+        >
+          <FileDown />
+          Download (.xlsx)
+        </MenuItemWrapper>
+        <MenuItemWrapper
+          onClick={() => {
+            if (selectedWorkbookUuid) {
+              handlePinToggle(selectedWorkbookUuid);
+            }
+          }}
+          disableRipple
+        >
+          {selectedWorkbookUuid && isWorkbookPinned(selectedWorkbookUuid) ? (
+            <PinOff />
+          ) : (
+            <Pin />
+          )}
+          {selectedWorkbookUuid && isWorkbookPinned(selectedWorkbookUuid)
+            ? "Unpin"
+            : "Pin"}
+        </MenuItemWrapper>
+        <MenuItemWrapper
+          onClick={() => {
+            if (selectedWorkbookUuid) {
+              handleDuplicate(selectedWorkbookUuid);
+            }
+          }}
+          disableRipple
+        >
+          <Copy />
+          Duplicate
+        </MenuItemWrapper>
+        <MenuDivider />
+        <DeleteButton
+          selected={false}
+          onClick={() => {
+            if (selectedWorkbookUuid) {
+              handleDeleteClick(selectedWorkbookUuid);
+            }
+          }}
+          disableRipple
+        >
+          <Trash2 size={16} />
+          Delete workbook
+        </DeleteButton>
+      </StyledMenu>
+
+      <Modal
+        open={isDeleteDialogOpen}
+        onClose={handleDeleteCancel}
+        aria-labelledby="delete-dialog-title"
+        aria-describedby="delete-dialog-description"
+      >
+        <DeleteWorkbookDialog
+          onClose={handleDeleteCancel}
+          onConfirm={handleDeleteConfirm}
+          workbookName={workbookToDelete ? models[workbookToDelete].name : ""}
+        />
+      </Modal>
+    </>
+  );
+}
+
+const StorageIndicator = styled("div")`
+  height: 16px;
+  width: 16px;
+  svg {
+    height: 16px;
+    width: 16px;
+    stroke: #9e9e9e;
+  }
+`;
+
+const EllipsisButton = styled("button")<{ isOpen: boolean }>`
+  background: none;
+  border: none;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 4px;
+  height: 24px;
+  width: ${({ isOpen }) => (isOpen ? "24px" : "0px")};
+  border-radius: 4px;
+  color: #333333;
+  stroke-width: 2px;
+  background-color: ${({ isOpen }) => (isOpen ? "#E0E0E0" : "none")};
+  opacity: ${({ isOpen }) => (isOpen ? "1" : "0")};
+  &:hover {
+    background: #BDBDBD;
+    opacity: 1;
+  }
+  &:active {
+    background: #bdbdbd;
+    opacity: 1;
+  }
+`;
+
+const WorkbookListItem = styled(MenuItem)<{ selected: boolean }>`
+  display: flex;
+  gap: 8px;
+  justify-content: flex-start;
+  font-size: 14px;
+  width: 100%;
+  min-width: 172px;
+  border-radius: 8px;
+  padding: 8px 4px 8px 8px;
+  height: 32px;
+  min-height: 32px;
+  transition: gap 0.5s;
+  background-color: ${({ selected }) =>
+    selected ? "#e0e0e0 !important" : "transparent"};
+
+  &:hover {
+    background-color: #e0e0e0;
+    button {
+      opacity: 1;
+      min-width: 24px;
+    }
+  }
+`;
+
+const WorkbookListText = styled("div")`
+  color: #000;
+  font-size: 12px;
+  width: 100%;
+  max-width: 240px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+`;
+
+const StyledMenu = styled(Menu)`
+  .MuiPaper-root {
+    border-radius: 8px;
+    padding: 4px 0px;
+    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.01);
+  },
+  .MuiList-root {
+    padding: 0;
+  },
+`;
+
+const SectionContainer = styled("div")`
+  margin-bottom: 16px;
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+`;
+
+const SectionTitle = styled("div")`
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  font-weight: 400;
+  color: #9e9e9e;
+  margin-bottom: 8px;
+  padding: 0px 8px;
+  font-size: 12px;
+  svg {
+    width: 12px;
+    height: 12px;
+  }
+`;
+
+export default WorkbookList;

webapp/app.ironcalc.com/frontend/src/components/ShareButton.tsx

@@ -5,8 +5,8 @@ export function ShareButton(properties: { onClick: () => void }) {
   const { onClick } = properties;
   return (
     <Wrapper onClick={onClick} onKeyDown={() => {}}>
-      <Share2 style={{ width: "16px", height: "16px", marginRight: "10px" }} />
+      <ShareIcon />
-      <span>Share</span>
+      <ShareText>Share</ShareText>
     </Wrapper>
   );
 }
@@ -23,8 +23,24 @@ const Wrapper = styled("div")`
   display: flex;
   align-items: center;
   font-family: "Inter";
-  font-size: 14px;
+  font-size: 12px;
   &:hover {
     background: #d68742;
   }
 `;
+
+const ShareIcon = styled(Share2)`
+  width: 16px;
+  height: 16px;
+  margin-right: 10px;
+  
+  @media (max-width: 440px) {
+    margin-right: 0px;
+  }
+`;
+
+const ShareText = styled.span`
+  @media (max-width: 440px) {
+    display: none;
+  }
+`;

webapp/app.ironcalc.com/frontend/src/components/WelcomeDialog/WelcomeDialog.tsx

@@ -106,7 +106,7 @@ const DialogHeaderTitleSubtitle = styled("span")`
   color: #757575;
 `;
 
-const DialogHeaderLogoWrapper = styled("div")`
+export const DialogHeaderLogoWrapper = styled("div")`
   display: flex;
   flex-direction: row;
   align-items: center;

webapp/app.ironcalc.com/frontend/src/components/WorkbookTitle.tsx

@@ -72,10 +72,10 @@ export function WorkbookTitle(properties: {
 }
 
 const Container = styled("div")`
-  text-align: center;
+  text-align: left;
-  padding: 8px;
+  padding: 6px 4px;
   font-size: 14px;
-  font-weight: 700;
+  font-weight: 600;
   font-family: Inter;
 `;
 
@@ -108,7 +108,7 @@ const TitleInput = styled("input")`
     background-color: #f2f2f2;
   }
   &:focus {
-    border: 1px solid grey;
+    outline: 1px solid grey;
   }
   font-weight: inherit;
   font-family: inherit;

webapp/app.ironcalc.com/frontend/src/components/storage.ts

@@ -3,7 +3,10 @@ import { base64ToBytes, bytesToBase64 } from "./util";
 
 const MAX_WORKBOOKS = 50;
 
-type ModelsMetadata = Record<string, string>;
+type ModelsMetadata = Record<
+  string,
+  { name: string; createdAt: number; pinned?: boolean }
+>;
 
 export function updateNameSelectedWorkbook(model: Model, newName: string) {
   const uuid = localStorage.getItem("selected");
@@ -12,7 +15,11 @@ export function updateNameSelectedWorkbook(model: Model, newName: string) {
     if (modelsJson) {
       try {
         const models = JSON.parse(modelsJson);
-        models[uuid] = newName;
+        if (models[uuid]) {
+          models[uuid].name = newName;
+        } else {
+          models[uuid] = { name: newName, createdAt: Date.now() };
+        }
         localStorage.setItem("models", JSON.stringify(models));
       } catch (e) {
         console.warn("Failed saving new name");
@@ -28,7 +35,26 @@ export function getModelsMetadata(): ModelsMetadata {
   if (!modelsJson) {
     modelsJson = "{}";
   }
-  return JSON.parse(modelsJson);
+  const models = JSON.parse(modelsJson);
+
+  // Migrate old format to new format
+  const migratedModels: ModelsMetadata = {};
+  for (const [uuid, value] of Object.entries(models)) {
+    if (typeof value === "string") {
+      // Old format: just the name string
+      migratedModels[uuid] = { name: value, createdAt: Date.now() };
+    } else if (typeof value === "object" && value !== null && "name" in value) {
+      // New format: object with name and createdAt
+      migratedModels[uuid] = value as { name: string; createdAt: number };
+    }
+  }
+
+  // Save migrated data back to localStorage
+  if (JSON.stringify(models) !== JSON.stringify(migratedModels)) {
+    localStorage.setItem("models", JSON.stringify(migratedModels));
+  }
+
+  return migratedModels;
 }
 
 // Pick a different name Workbook{N} where N = 1, 2, 3
@@ -48,14 +74,14 @@ function getNewName(existingNames: string[]): string {
 
 export function createNewModel(): Model {
   const models = getModelsMetadata();
-  const name = getNewName(Object.values(models));
+  const name = getNewName(Object.values(models).map((m) => m.name));
 
   const model = new Model(name, "en", "UTC");
   const uuid = crypto.randomUUID();
   localStorage.setItem("selected", uuid);
   localStorage.setItem(uuid, bytesToBase64(model.toBytes()));
 
-  models[uuid] = name;
+  models[uuid] = { name, createdAt: Date.now() };
   localStorage.setItem("models", JSON.stringify(models));
   return model;
 }
@@ -103,7 +129,7 @@ export function saveModelToStorage(model: Model) {
     modelsJson = "{}";
   }
   const models = JSON.parse(modelsJson);
-  models[uuid] = model.getName();
+  models[uuid] = { name: model.getName(), createdAt: Date.now() };
   localStorage.setItem("models", JSON.stringify(models));
 }
 
@@ -135,3 +161,79 @@ export function deleteSelectedModel(): Model | null {
   }
   return selectModelFromStorage(uuids[0]);
 }
+
+export function deleteModelByUuid(uuid: string): Model | null {
+  localStorage.removeItem(uuid);
+  const metadata = getModelsMetadata();
+  delete metadata[uuid];
+  localStorage.setItem("models", JSON.stringify(metadata));
+
+  // If this was the selected model, we need to select a different one
+  const selectedUuid = localStorage.getItem("selected");
+  if (selectedUuid === uuid) {
+    const uuids = Object.keys(metadata);
+    if (uuids.length === 0) {
+      return createNewModel();
+    }
+    // Find the newest workbook by creation timestamp
+    const newestUuid = uuids.reduce((newest, current) => {
+      const newestTime = metadata[newest]?.createdAt || 0;
+      const currentTime = metadata[current]?.createdAt || 0;
+      return currentTime > newestTime ? current : newest;
+    });
+    return selectModelFromStorage(newestUuid);
+  }
+
+  // If it wasn't the selected model, return the currently selected model
+  if (selectedUuid) {
+    const modelBytesString = localStorage.getItem(selectedUuid);
+    if (modelBytesString) {
+      return Model.from_bytes(base64ToBytes(modelBytesString));
+    }
+  }
+
+  // Fallback to creating a new model if no valid selected model
+  return createNewModel();
+}
+
+export function togglePinWorkbook(uuid: string): void {
+  const metadata = getModelsMetadata();
+  if (metadata[uuid]) {
+    metadata[uuid].pinned = !metadata[uuid].pinned;
+    localStorage.setItem("models", JSON.stringify(metadata));
+  }
+}
+
+export function isWorkbookPinned(uuid: string): boolean {
+  const metadata = getModelsMetadata();
+  return metadata[uuid]?.pinned || false;
+}
+
+export function duplicateModel(uuid: string): Model | null {
+  const originalModel = selectModelFromStorage(uuid);
+  if (!originalModel) return null;
+
+  const duplicatedModel = Model.from_bytes(originalModel.toBytes());
+  const models = getModelsMetadata();
+  const originalName = models[uuid]?.name || "Workbook";
+  const existingNames = Object.values(models).map((m) => m.name);
+
+  // Find next available number
+  let counter = 1;
+  let newName = `${originalName} (${counter})`;
+  while (existingNames.includes(newName)) {
+    counter++;
+    newName = `${originalName} (${counter})`;
+  }
+
+  duplicatedModel.setName(newName);
+
+  const newUuid = crypto.randomUUID();
+  localStorage.setItem("selected", newUuid);
+  localStorage.setItem(newUuid, bytesToBase64(duplicatedModel.toBytes()));
+
+  models[newUuid] = { name: newName, createdAt: Date.now() };
+  localStorage.setItem("models", JSON.stringify(models));
+
+  return duplicatedModel;
+}