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/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;