views.ts

import { LoomSettings, Node, NoteState } from "./common";
import {
  App,
  ItemView,
  Menu,
  Modal,
  Setting,
  WorkspaceLeaf,
  setIcon,
} from "obsidian";
import { Range } from "@codemirror/state";
import {
  Decoration,
  DecorationSet,
  EditorView,
  PluginSpec,
  PluginValue,
  WidgetType,
} from "@codemirror/view";
const dialog = require("electron").remote.dialog;

interface NodeContext {
  app: App;
  state: NoteState;
  id: string;
  node: Node;
  deletable: boolean;
}

const showNodeMenu = (
  event: MouseEvent,
  { app, state, id, node, deletable }: NodeContext
) => {
  const menu = new Menu();

  const menuItem = (name: string, icon: string, callback: () => void) =>
    menu.addItem((item) => {
      item.setTitle(name);
      item.setIcon(icon);
      item.onClick(callback);
    });

  const zeroArgMenuItem = (name: string, icon: string, event: string) =>
    menuItem(name, icon, () => app.workspace.trigger(event));
  const selfArgMenuItem = (name: string, icon: string, event: string) =>
    menuItem(name, icon, () => app.workspace.trigger(event, id));
  const selfListArgMenuItem = (name: string, icon: string, event: string) =>
    menuItem(name, icon, () => app.workspace.trigger(event, [id]));

  if (state.hoisted[state.hoisted.length - 1] === id)
    zeroArgMenuItem("Unhoist", "arrow-down", "loom:unhoist");
  else selfArgMenuItem("Hoist", "arrow-up", "loom:hoist");

  if (node.bookmarked)
    selfArgMenuItem(
      "Remove bookmark",
      "bookmark-minus",
      "loom:toggle-bookmark"
    );
  else selfArgMenuItem("Bookmark", "bookmark", "loom:toggle-bookmark");

  menu.addSeparator();
  selfArgMenuItem("Create child", "plus", "loom:create-child");
  selfArgMenuItem("Create sibling", "list-plus", "loom:create-sibling");

  menu.addSeparator();
  selfArgMenuItem("Delete all children", "x", "loom:clear-children");
  selfArgMenuItem("Delete all siblings", "list-x", "loom:clear-siblings");

  if (node.parentId !== null) {
    menu.addSeparator();
    selfArgMenuItem(
      "Merge with parent",
      "arrow-up-left",
      "loom:merge-with-parent"
    );
  }

  if (deletable) {
    menu.addSeparator();
    selfListArgMenuItem("Delete", "trash", "loom:delete");
  }

  menu.showAtMouseEvent(event);
};

const renderNodeButtons = (
  container: HTMLElement,
  { app, state, id, node, deletable }: NodeContext
) => {
  const button = (
    label: string,
    icon: string,
    callback: (event: MouseEvent) => void
  ) => {
    const button_ = container.createDiv({
      cls: "loom__node-button",
      attr: { "aria-label": label },
    });
    setIcon(button_, icon);
    button_.addEventListener("click", (event) => {
      event.stopPropagation();
      callback(event);
    });
  };

  button("Show menu", "menu", (event) =>
    showNodeMenu(event, { app, state, id, node, deletable })
  );

  if (state.hoisted[state.hoisted.length - 1] === id)
    button("Unhoist", "arrow-down", () =>
      app.workspace.trigger("loom:unhoist")
    );
  else
    button("Hoist", "arrow-up", () => app.workspace.trigger("loom:hoist", id));

  if (node.bookmarked)
    button("Remove bookmark", "bookmark-minus", () =>
      app.workspace.trigger("loom:toggle-bookmark", id)
    );
  else
    button("Bookmark", "bookmark", () =>
      app.workspace.trigger("loom:toggle-bookmark", id)
    );

  if (deletable)
    button("Delete", "trash", () => app.workspace.trigger("loom:delete", [id]));
};

export class LoomView extends ItemView {
  getNoteState: () => NoteState | null;
  getSettings: () => LoomSettings;

  tree: HTMLElement;

  constructor(
    leaf: WorkspaceLeaf,
    getNoteState: () => NoteState | null,
    getSettings: () => LoomSettings
  ) {
    super(leaf);

    this.getNoteState = getNoteState;
    this.getSettings = getSettings;
  }

  async onOpen() {
    this.render();
  }

  render() {
    const state = this.getNoteState();
    const settings = this.getSettings();

    const scroll = this.containerEl.scrollTop;

    this.containerEl.empty();
    this.containerEl.addClass("loom__view");

    this.renderNavButtons(settings);
    const container = this.containerEl.createDiv({ cls: "outline" });
    if (settings.showExport) this.renderAltExportInterface(container);
    if (settings.showSearchBar) this.renderSearchBar(container, state);
    if (settings.showSettings) this.renderSettings(container, settings);

    if (!state) {
      container.createDiv({ cls: "pane-empty", text: "No note selected." });
      return;
    }
    this.renderBookmarks(container, state);
    this.tree = container.createDiv();
    this.renderTree(this.tree, state);

    this.containerEl.scrollTop = scroll;

    // scroll to active node in the tree
    const activeNode = this.tree.querySelector(".is-active");
    if (activeNode) {
      //&& !container.contains(activeNode)){
      activeNode.scrollIntoView({ block: "nearest" });
    }
  }

  renderNavButtons(settings: LoomSettings) {
    const navButtonsContainer = this.containerEl.createDiv({
      cls: "nav-buttons-container loom__nav-buttons",
    });

    // buttons to toggle 1) settings 2) node borders in the editor

    const settingNavButton = (
      setting: string,
      value: boolean,
      icon: string,
      label: string
    ) => {
      const button = navButtonsContainer.createDiv({
        cls: `clickable-icon nav-action-button${value ? " is-active" : ""}`,
        attr: { "aria-label": label },
      });
      setIcon(button, icon);
      button.addEventListener("click", () =>
        this.app.workspace.trigger("loom:set-setting", setting, !value)
      );
    };

    settingNavButton(
      "showSettings",
      settings.showSettings,
      "settings",
      "Show settings"
    );
    settingNavButton(
      "showSearchBar",
      settings.showSearchBar,
      "search",
      "Show search bar"
    );
    settingNavButton(
      "showNodeBorders",
      settings.showNodeBorders,
      "separator-vertical",
      "Show node borders in the editor"
    );

    // the import button

    const importInput = navButtonsContainer.createEl("input", {
      cls: "hidden",
      attr: { type: "file", id: "loom__import-input" },
    });

    const importNavButton = navButtonsContainer.createEl("label", {
      cls: "clickable-icon nav-action-button",
      attr: { "aria-label": "Import JSON", for: "loom__import-input" },
    });
    setIcon(importNavButton, "import");

    importInput.addEventListener("change", () => {
      // @ts-expect-error
      const path = importInput.files?.[0].path;
      if (path) this.app.workspace.trigger("loom:import", path);
    });

    // the export button

    const exportNavButton = navButtonsContainer.createDiv({
      cls: `clickable-icon nav-action-button${
        settings.showExport ? " is-active" : ""
      }`,
      attr: { "aria-label": "Export to JSON" },
    });
    setIcon(exportNavButton, "download");

    exportNavButton.addEventListener("click", (event) => {
      if (event.shiftKey) {
        this.app.workspace.trigger(
          "loom:set-setting",
          "showExport",
          !settings.showExport
        );
        return;
      }
      dialog
        .showSaveDialog({
          title: "Export to JSON",
          filters: [{ extensions: ["json"] }],
        })
        .then((result: any) => {
          if (result && result.filePath)
            this.app.workspace.trigger("loom:export", result.filePath);
        });
    });
  }

  renderAltExportInterface(container: HTMLElement) {
    const exportContainer = container.createDiv({
      cls: "loom__alt-export-field",
    });
    const exportInput = exportContainer.createEl("input", {
      attr: { type: "text", placeholder: "Path to export to" },
    });
    const exportButton = exportContainer.createEl("button", {});
    setIcon(exportButton, "download");

    exportButton.addEventListener("click", () => {
      if (exportInput.value)
        this.app.workspace.trigger("loom:export", exportInput.value);
    });
  }

  renderSearchBar(container: HTMLElement, state: NoteState | null) {
    const searchBar = container.createEl("input", {
      cls: "loom__search-bar",
      value: state?.searchTerm || "",
      attr: { type: "text", placeholder: "Search" },
    });
    searchBar.addEventListener("input", () => {
      const state = this.getNoteState();
      this.app.workspace.trigger("loom:search", searchBar.value);
      if (state) {
        this.renderTree(this.tree, state);
        if (
          Object.values(state.nodes).every(
            (node) => node.searchResultState === "none"
          )
        )
          searchBar.addClass("loom__search-bar-no-results");
        else searchBar.removeClass("loom__search-bar-no-results");
      }
    });
  }

  renderSettings(container: HTMLElement, settings: LoomSettings) {
    const settingsContainer = container.createDiv({ cls: "loom__settings" });

    // visibility checkboxes

    const visibilityContainer = settingsContainer.createDiv({
      cls: "loom__visibility",
    });

    const createCheckbox = (
      id: string,
      label: string,
      ellipsis: boolean = false
    ) => {
      const checkboxContainer = visibilityContainer.createSpan({
        cls: "loom__visibility-item",
      });
      const checkbox = checkboxContainer.createEl("input", {
        attr: {
          id: `loom__${id}-checkbox`,
          checked: settings.visibility[id] ? "checked" : null,
        },
        type: "checkbox",
      });
      checkbox.addEventListener("change", () =>
        this.app.workspace.trigger(
          "loom:set-visibility-setting",
          id,
          checkbox.checked
        )
      );

      const checkboxLabel = checkboxContainer.createEl("label", {
        attr: { for: `loom__${id}-checkbox` },
        cls: "loom__visibility-item-label",
        text: label,
      });
      if (ellipsis && !settings.visibility.visibility)
        checkboxLabel.createSpan({
          cls: "loom__no-metavisibility",
          text: "...",
        });
    };

    createCheckbox("visibility", "These checkboxes", true);
    if (settings.visibility["visibility"]) {
      createCheckbox("modelPreset", "Model preset");
      createCheckbox("maxTokens", "Length");
      createCheckbox("n", "Number of completions");
      createCheckbox("bestOf", "Best of");
      createCheckbox("temperature", "Temperature");
      createCheckbox("topP", "Top p");
      createCheckbox("frequencyPenalty", "Frequency penalty");
      createCheckbox("presencePenalty", "Presence penalty");
      createCheckbox("prepend", "Prepend sequence");
      createCheckbox("systemPrompt", "System prompt");
      createCheckbox("userMessage", "User message");
    }

    // preset dropdown

    if (settings.visibility["modelPreset"]) {
      const presetContainer = settingsContainer.createDiv({
        cls: "loom__setting",
      });
      presetContainer.createEl("label", { text: "Model preset" });
      const presetDropdown = presetContainer.createEl("select");

      if (settings.modelPresets.length === 0)
        presetDropdown
          .createEl("option")
          .createEl("i", {
            text: "[You have no presets. Go to Settings → Loom.]",
          });
      else {
        for (const i in settings.modelPresets) {
          const preset = settings.modelPresets[i];
          presetDropdown.createEl("option", {
            text: preset.name,
            attr: {
              selected: settings.modelPreset === parseInt(i) ? "" : null,
              value: i,
            },
          });
        }

        presetDropdown.addEventListener("change", () =>
          this.app.workspace.trigger(
            "loom:set-setting",
            "modelPreset",
            parseInt(presetDropdown.value)
          )
        );
      }
    }

    // other settings

    const setting = (
      label: string,
      setting: string,
      value: string,
      type: "string" | "int" | "int?" | "float"
    ) => {
      if (!settings.visibility[setting]) return;

      const parsers = {
        string: (value: string) => value,
        int: (value: string) => parseInt(value),
        "int?": (value: string) => (value === "" ? 0 : parseInt(value)),
        float: (value: string) => parseFloat(value),
      };

      const settingContainer = settingsContainer.createDiv({
        cls: "loom__setting",
      });
      settingContainer.createEl("label", { text: label });
      const settingInput = settingContainer.createEl("input", {
        type: type === "string" ? "text" : "number",
        value,
      });
      settingInput.addEventListener("blur", () =>
        this.app.workspace.trigger(
          "loom:set-setting",
          setting,
          parsers[type](settingInput.value)
        )
      );
    };

    setting(
      "Length (in tokens)",
      "maxTokens",
      String(settings.maxTokens),
      "int"
    );
    setting("Number of completions", "n", String(settings.n), "int");
    setting(
      "Best of",
      "bestOf",
      settings.bestOf === 0 ? "" : String(settings.bestOf),
      "int?"
    );
    setting(
      "Temperature",
      "temperature",
      String(settings.temperature),
      "float"
    );
    setting("Top p", "topP", String(settings.topP), "float");
    setting(
      "Frequency penalty",
      "frequencyPenalty",
      String(settings.frequencyPenalty),
      "float"
    );
    setting(
      "Presence penalty",
      "presencePenalty",
      String(settings.presencePenalty),
      "float"
    );
    setting("Prepend sequence", "prepend", settings.prepend, "string");
    setting("System prompt", "systemPrompt", settings.systemPrompt, "string");
    setting("User message", "userMessage", settings.userMessage, "string");
  }

  renderBookmarks(container: HTMLElement, state: NoteState) {
    const bookmarks = Object.entries(state.nodes).filter(
      ([, node]) => node.bookmarked
    );

    const bookmarksContainer = container.createDiv({ cls: "loom__bookmarks" });

    const bookmarksHeader = bookmarksContainer.createDiv({
      cls: "tree-item-self loom__tree-header",
    });
    bookmarksHeader.createSpan({
      cls: "tree-item-inner loom__tree-header-text",
      text: "Bookmarks",
    });
    bookmarksHeader.createSpan({
      cls: "tree-item-flair-outer loom__bookmarks-count",
      text: String(bookmarks.length),
    });

    for (const [id] of bookmarks)
      this.renderNode(bookmarksContainer, state, id, false);
  }

  renderTree(container: HTMLElement, state: NoteState) {
    container.empty();

    const treeHeader = container.createDiv({
      cls: "tree-item-self loom__tree-header",
    });
    let headerText;
    if (state.searchTerm) {
      if (state.hoisted.length > 0)
        headerText = "Search results under hoisted node";
      else headerText = "Search results";
    } else if (state.hoisted.length > 0) headerText = "Hoisted node";
    else headerText = "All nodes";
    treeHeader.createSpan({
      cls: "tree-item-inner loom__tree-header-text",
      text: headerText,
    });

    if (state.hoisted.length > 0)
      this.renderNode(
        container,
        state,
        state.hoisted[state.hoisted.length - 1],
        true
      );
    else {
      const rootIds = Object.entries(state.nodes)
        .filter(([, node]) => node.parentId === null)
        .map(([id]) => id);
      for (const rootId of rootIds)
        this.renderNode(container, state, rootId, true);
    }
  }

  renderNode(
    container: HTMLElement,
    state: NoteState,
    id: string,
    inTree: boolean
  ) {
    const node = state.nodes[id];

    if (inTree && node.searchResultState === "none") return;

    const branchContainer = container.createDiv({});

    const nodeContainer = branchContainer.createDiv({
      cls: "is-clickable outgoing-link-item tree-item-self loom__node",
      attr: { id: inTree ? `loom__node-${id}` : null },
    });
    if (id === state.current) nodeContainer.addClass("is-active");
    if (node.searchResultState === "result")
      nodeContainer.addClass("loom__node-search-result");
    if (node.unread) nodeContainer.addClass("loom__node-unread");

    const children = Object.entries(state.nodes)
      .filter(([, node]) => node.parentId === id)
      .map(([id]) => id);

    // if the node has children, add an expand/collapse button

    if (inTree && children.length > 0) {
      const collapseButton = nodeContainer.createDiv({
        cls: "collapse-icon loom__collapse-button",
      });
      if (node.collapsed) collapseButton.addClass("loom__is-collapsed");
      setIcon(collapseButton, "right-triangle");

      collapseButton.addEventListener("click", () =>
        this.app.workspace.trigger("loom:toggle-collapse", id)
      );
    }

    // if the node is bookmarked, add a bookmark icon

    if (node.bookmarked) {
      const bookmarkIcon = nodeContainer.createDiv({
        cls: "loom__node-bookmark-icon",
      });
      setIcon(bookmarkIcon, "bookmark");
    }

    // if the node is unread, add an unread indicator

    if (node.unread)
      nodeContainer.createDiv({ cls: "loom__node-unread-indicator" });

    // add the node's text

    const nodeText = nodeContainer.createEl(node.text.trim() ? "span" : "em", {
      cls: "tree-item-inner loom__node-text",
      text: node.text.trim() || "No text",
    });
    nodeText.addEventListener("click", () =>
      this.app.workspace.trigger("loom:switch-to", id)
    );

    const rootNodes = Object.entries(state.nodes).filter(
      ([, node]) => node.parentId === null
    );
    const deletable = rootNodes.length !== 1 || rootNodes[0][0] !== id;

    const nodeContext: NodeContext = {
      app: this.app,
      state,
      id,
      node,
      deletable,
    };

    nodeContainer.addEventListener("contextmenu", (event) => {
      event.preventDefault();
      showNodeMenu(event, nodeContext);
    });

    // add buttons on hover

    const nodeButtonsContainer = nodeContainer.createDiv({
      cls: "loom__node-buttons",
    });

    renderNodeButtons(nodeButtonsContainer, nodeContext);

    // indicate if loom is currently generating children for this node

    if (inTree && state.generating === id) {
      const generatingContainer = branchContainer.createDiv({
        cls: "loom__node-footer",
      });
      const generatingIcon = generatingContainer.createDiv({
        cls: "loom__node-generating-icon",
      });
      setIcon(generatingIcon, "loader-2");
      generatingContainer.createSpan({
        cls: "loom__node-footer-text",
        text: "Generating...",
      });
    }

    // if in a tree, and if the node isn't collapsed, render its children

    if (!inTree || node.collapsed) return;

    if (branchContainer.offsetWidth < 150) {
      if (children.length > 0) {
        const showMore = branchContainer.createDiv({
          cls: "loom__node-footer loom__node-show-more",
        });
        setIcon(showMore, "arrow-up");
        showMore.createSpan({
          cls: "loom__node-footer-text",
          text: "Show more...",
        });

        showMore.addEventListener("click", () =>
          this.app.workspace.trigger("loom:hoist", id)
        );
      }

      return;
    }

    const childrenContainer = branchContainer.createDiv({
      cls: "loom__node-children",
    });
    for (const childId of children)
      this.renderNode(childrenContainer, state, childId, true);
  }

  getViewType(): string {
    return "loom";
  }

  getDisplayText(): string {
    return "Loom";
  }

  getIcon(): string {
    return "network";
  }
}

export class LoomSiblingsView extends ItemView {
  getNoteState: () => NoteState | null;

  constructor(leaf: WorkspaceLeaf, getNoteState: () => NoteState | null) {
    super(leaf);
    this.getNoteState = getNoteState;
    this.render();
  }

  render() {
    const scroll = this.containerEl.scrollTop;

    this.containerEl.empty();
    this.containerEl.addClass("loom__view");
    const container = this.containerEl.createDiv({ cls: "outline" });

    const state = this.getNoteState();

    if (state === null) {
      container.createDiv({
        cls: "pane-empty",
        text: "No note selected.",
      });
      return;
    }

    const parentId = state.nodes[state.current].parentId;
    const siblings = Object.entries(state.nodes).filter(
      ([, node]) => node.parentId === parentId
    );

    let currentNodeContainer = null;
    for (const i in siblings) {
      const [id, node] = siblings[i];

      const nodeContainer = container.createDiv({
        cls: `loom__sibling${id === state.current ? " is-active" : ""}`,
      });
      if (parentId !== null)
        nodeContainer.createSpan({
          text: "…",
          cls: "loom__sibling-ellipsis",
        });
      nodeContainer.createSpan({ text: node.text.trim() });
      nodeContainer.addEventListener("click", () =>
        this.app.workspace.trigger("loom:switch-to", id)
      );

      const rootNodes = Object.entries(state.nodes).filter(
        ([, node]) => node.parentId === null
      );
      const deletable = rootNodes.length !== 1 || rootNodes[0][0] !== id;

      const nodeContext: NodeContext = {
        app: this.app,
        state,
        id,
        node,
        deletable,
      };

      const nodeButtonsContainer = nodeContainer.createDiv({
        cls: "loom__sibling-buttons",
      });
      renderNodeButtons(nodeButtonsContainer, nodeContext);

      nodeContainer.addEventListener("contextmenu", (event) => {
        event.preventDefault();
        showNodeMenu(event, nodeContext);
      });

      if (parseInt(i) !== siblings.length - 1)
        container.createEl("hr", { cls: "loom__sibling-separator" });

      if (id === state.current) currentNodeContainer = nodeContainer;
    }

    this.containerEl.scrollTop = scroll;

    if (currentNodeContainer !== null)
      currentNodeContainer.scrollIntoView({ block: "nearest" });
  }

  getViewType(): string {
    return "loom-siblings";
  }

  getDisplayText(): string {
    return "Siblings";
  }

  getIcon(): string {
    return "layout-list";
  }
}

export interface LoomEditorPluginState {
  ancestorLengths: [string, number][];
  showNodeBorders: boolean;
}

export class LoomEditorPlugin implements PluginValue {
  decorations: DecorationSet;
  state: LoomEditorPluginState;

  constructor() {
    this.decorations = Decoration.none;
    this.state = { ancestorLengths: [], showNodeBorders: false };
  }

  update() {
    let decorations: Range<Decoration>[] = [];

    const addRange = (from: number, to: number, id: string) => {
      try {
        const range = Decoration.mark({
          class: `loom__editor-node loom__editor-node-${id}`,
        }).range(from, to);
        decorations.push(range);
      } catch (e) {
        // this happens if the range is empty. it's ok. it's fine,
      }
    };

    const addBorder = (at: number) => {
      const range = Decoration.widget({
        widget: new LoomNodeBorderWidget(),
        side: -1,
      }).range(at, at);
      decorations.push(range);
    };

    let i = 0;
    for (const [id, length] of this.state.ancestorLengths) {
      addRange(i, i + length, id);
      i += length;
      if (this.state.showNodeBorders) addBorder(i);
    }

    this.decorations = Decoration.set(decorations);
  }
}

class LoomNodeBorderWidget extends WidgetType {
  toDOM() {
    const el = document.createElement("span");
    el.classList.add("loom__editor-node-border");
    return el;
  }

  eq() {
    return true;
  }
}

export const loomEditorPluginSpec: PluginSpec<LoomEditorPlugin> = {
  decorations: (plugin: LoomEditorPlugin) => plugin.decorations,
  eventHandlers: {
    mouseover: (event: MouseEvent, _view: EditorView) => {
      if (event.button !== 0) return false;

      const target = event.target as HTMLElement;
      if (!target.classList.contains("loom__editor-node")) return false;

      const className = target.classList[target.classList.length - 1];
      for (const el of [].slice.call(
        document.getElementsByClassName(className)
      ))
        el.classList.add("loom__editor-node-hover");

      return true;
    },
    mouseout: (event: MouseEvent, _view: EditorView) => {
      if (event.button !== 0) return false;

      const target = event.target as HTMLElement;
      if (!target.classList.contains("loom__editor-node")) return false;

      const className = target.classList[target.classList.length - 1];
      for (const el of [].slice.call(
        document.getElementsByClassName(className)
      ))
        el.classList.remove("loom__editor-node-hover");

      return true;
    },
    mousedown: (event: MouseEvent, _view: EditorView) => {
      if (event.button !== 0 || !event.shiftKey) return false;

      const target = event.target as HTMLElement;
      if (!target.classList.contains("loom__editor-node")) return false;

      // the second last element, since the last is `loom__editor-node-hover`
      const className = target.classList[target.classList.length - 2];
      const id = className.split("-").slice(2).join("-");
      // app.workspace.trigger("loom:switch-to", id); FIXME :3

      return true;
    },
  },
};

export class MakePromptFromPassagesModal extends Modal {
  getSettings: () => LoomSettings;

  constructor(app: App, getSettings: () => LoomSettings) {
    super(app);
    this.getSettings = getSettings;
  }

  onOpen() {
    this.contentEl.createDiv({
      cls: "modal-title",
      text: "Make prompt from passages",
    });

    const pathPrefix = this.getSettings()
      .passageFolder.trim()
      .replace(/\/?$/, "/");
    const passages = this.app.vault
      .getFiles()
      .filter(
        (file) => file.path.startsWith(pathPrefix) && file.extension === "md"
      )
      .sort((a, b) => b.stat.mtime - a.stat.mtime);

    let selectedPassages: string[] = [];

    const unselectedContainer = this.contentEl.createDiv({
      cls: "loom__passage-list",
    });
    this.contentEl.createDiv({
      cls: "loom__selected-passages-title",
      text: "Selected passages",
    });
    const selectedContainer = this.contentEl.createDiv({
      cls: "loom__passage-list loom__selected-passage-list",
    });
    let button: HTMLElement;

    const cleanName = (name: string) => name.slice(pathPrefix.length, -3);

    const renderPassageList = () => {
      unselectedContainer.empty();
      selectedContainer.empty();

      const unselectedPassages = passages.filter(
        (passage) => !selectedPassages.includes(passage.path)
      );

      for (const passage of unselectedPassages) {
        const passageContainer = unselectedContainer.createDiv({
          cls: "tree-item-self loom__passage",
        });
        passageContainer.createSpan({
          cls: "tree-item-inner",
          text: cleanName(passage.path),
        });
        passageContainer.addEventListener("click", () => {
          selectedPassages.push(passage.path);
          renderPassageList();
        });
      }

      if (selectedPassages.length === 0) {
        selectedContainer.createDiv({
          cls: "loom__no-passages-selected",
          text: "No passages selected.",
        });
      }
      for (const passage of selectedPassages) {
        const passageContainer = selectedContainer.createDiv({
          cls: "tree-item-self loom__passage",
        });
        passageContainer.createSpan({
          cls: "tree-item-inner",
          text: cleanName(passage),
        });
        passageContainer.addEventListener("click", () => {
          selectedPassages = selectedPassages.filter((p) => p !== passage);
          renderPassageList();
        });
      }
    };

    let separator = this.getSettings().defaultPassageSeparator;
    let passageFrontmatter = this.getSettings().defaultPassageFrontmatter;

    new Setting(this.contentEl)
      .setName("Separator")
      .setDesc("Use \\n to denote a newline.")
      .addText((text) =>
        text.setValue(separator).onChange((value) => (separator = value))
      );
    new Setting(this.contentEl)
      .setName("Passage frontmatter")
      .setDesc(
        "This will be added before each passage and at the end. %n: 1, 2, 3..., %r: I, II, III..."
      )
      .addText((text) =>
        text
          .setValue(passageFrontmatter)
          .onChange((value) => (passageFrontmatter = value))
      );

    const buttonContainer = this.contentEl.createDiv({
      cls: "modal-button-container",
    });
    button = buttonContainer.createEl("button", {
      cls: "mod-cta",
      text: "Submit",
    });
    button.addEventListener("click", () => {
      if (selectedPassages.length === 0) return;

      this.app.workspace.trigger(
        "loom:make-prompt-from-passages",
        selectedPassages,
        separator,
        passageFrontmatter
      );
      this.close();
    });

    renderPassageList();
  }

  onClose() {
    this.contentEl.empty();
  }
}