gdpr audit implemented, email log, vollmachten, pdf delete cancel data privacy and vollmachten, removed message no id card in engergy car, and other contracts that are not telecom contracts, added insert counter for engery

2026-03-21 11:59:53 +01:00
parent 09e87c951b
commit c3edb8ad2e
1491 changed files with 265550 additions and 1292 deletions
@@ -0,0 +1,31 @@
+This module defines a number of building blocks for ProseMirror menus,
+along with a [menu bar](#menu.menuBar) implementation.
+
+When using this module, you should make sure its
+[`style/menu.css`](https://github.com/ProseMirror/prosemirror-menu/blob/master/style/menu.css)
+file is loaded into your page.
+
+@MenuElement
+@MenuItem
+@MenuItemSpec
+@IconSpec
+@Dropdown
+@DropdownSubmenu
+@menuBar
+
+This module exports the following pre-built items or item
+constructors:
+
+@joinUpItem
+@liftItem
+@selectParentNodeItem
+@undoItem
+@redoItem
+@wrapItem
+@blockTypeItem
+
+To construct your own items, these icons may be useful:
+
+@icons
+
+@renderGrouped
@@ -0,0 +1,53 @@
+const SVG = "http://www.w3.org/2000/svg"
+const XLINK = "http://www.w3.org/1999/xlink"
+
+const prefix = "ProseMirror-icon"
+
+function hashPath(path: string) {
+  let hash = 0
+  for (let i = 0; i < path.length; i++)
+    hash = (((hash << 5) - hash) + path.charCodeAt(i)) | 0
+  return hash
+}
+
+export function getIcon(
+  root: Document | ShadowRoot,
+  icon: {path: string, width: number, height: number} | {text: string, css?: string} | {dom: Node}
+): HTMLElement {
+  let doc = (root.nodeType == 9 ? root as Document : root.ownerDocument) || document
+  let node = doc.createElement("div")
+  node.className = prefix
+  if ((icon as any).path) {
+    let {path, width, height} = icon as {path: string, width: number, height: number}
+    let name = "pm-icon-" + hashPath(path).toString(16)
+    if (!doc.getElementById(name)) buildSVG(root, name, icon as {path: string, width: number, height: number})
+    let svg = node.appendChild(doc.createElementNS(SVG, "svg"))
+    svg.style.width = (width / height) + "em"
+    let use = svg.appendChild(doc.createElementNS(SVG, "use"))
+    use.setAttributeNS(XLINK, "href", /([^#]*)/.exec(doc.location.toString())![1] + "#" + name)
+  } else if ((icon as any).dom) {
+    node.appendChild((icon as any).dom.cloneNode(true))
+  } else {
+    let {text, css} = icon as {text: string, css?: string}
+    node.appendChild(doc.createElement("span")).textContent = text || ''
+    if (css) (node.firstChild as HTMLElement).style.cssText = css
+  }
+  return node
+}
+
+function buildSVG(root: Document | ShadowRoot, name: string, data: {width: number, height: number, path: string}) {
+  let [doc, top] = root.nodeType == 9 ? [root as Document, (root as Document).body] : [root.ownerDocument || document, root]
+  let collection = doc.getElementById(prefix + "-collection") as Element
+  if (!collection) {
+    collection = doc.createElementNS(SVG, "svg")
+    collection.id = prefix + "-collection"
+    ;(collection as HTMLElement).style.display = "none"
+    top.insertBefore(collection, top.firstChild)
+  }
+  let sym = doc.createElementNS(SVG, "symbol")
+  sym.id = name
+  sym.setAttribute("viewBox", "0 0 " + data.width + " " + data.height)
+  let path = sym.appendChild(doc.createElementNS(SVG, "path"))
+  path.setAttribute("d", data.path)
+  collection.appendChild(sym)
+}
@@ -0,0 +1,4 @@
+export {MenuElement, IconSpec, MenuItem, MenuItemSpec, Dropdown, DropdownSubmenu, renderGrouped,
+        icons, joinUpItem, liftItem, selectParentNodeItem,
+        undoItem, redoItem, wrapItem, blockTypeItem} from "./menu"
+export {menuBar} from "./menubar"
@@ -0,0 +1,476 @@
+import crel from "crelt"
+import {lift, joinUp, selectParentNode, wrapIn, setBlockType} from "prosemirror-commands"
+import {undo, redo} from "prosemirror-history"
+import {EditorView} from "prosemirror-view"
+import {EditorState, Transaction, NodeSelection} from "prosemirror-state"
+import {NodeType, Attrs} from "prosemirror-model"
+
+import {getIcon} from "./icons"
+
+/// The types defined in this module aren't the only thing you can
+/// display in your menu. Anything that conforms to this interface can
+/// be put into a menu structure.
+export interface MenuElement {
+  /// Render the element for display in the menu. Must return a DOM
+  /// element and a function that can be used to update the element to
+  /// a new state. The `update` function must return false if the
+  /// update hid the entire element.
+  render(pm: EditorView): {dom: HTMLElement, update: (state: EditorState) => boolean}
+}
+
+const prefix = "ProseMirror-menu"
+
+/// An icon or label that, when clicked, executes a command.
+export class MenuItem implements MenuElement {
+  /// Create a menu item.
+  constructor(
+    /// The spec used to create this item.
+    readonly spec: MenuItemSpec
+  ) {}
+
+  /// Renders the icon according to its [display
+  /// spec](#menu.MenuItemSpec.display), and adds an event handler which
+  /// executes the command when the representation is clicked.
+  render(view: EditorView) {
+    let spec = this.spec
+    let dom = spec.render ? spec.render(view)
+        : spec.icon ? getIcon(view.root, spec.icon)
+        : spec.label ? crel("div", null, translate(view, spec.label))
+        : null
+    if (!dom) throw new RangeError("MenuItem without icon or label property")
+    if (spec.title) {
+      const title = (typeof spec.title === "function" ? spec.title(view.state) : spec.title)
+      ;(dom as HTMLElement).setAttribute("title", translate(view, title))
+    }
+    if (spec.class) dom.classList.add(spec.class)
+    if (spec.css) dom.style.cssText += spec.css
+
+    dom.addEventListener("mousedown", e => {
+      e.preventDefault()
+      if (!dom!.classList.contains(prefix + "-disabled"))
+        spec.run(view.state, view.dispatch, view, e)
+    })
+
+    function update(state: EditorState) {
+      if (spec.select) {
+        let selected = spec.select(state)
+        dom!.style.display = selected ? "" : "none"
+        if (!selected) return false
+      }
+      let enabled = true
+      if (spec.enable) {
+        enabled = spec.enable(state) || false
+        setClass(dom!, prefix + "-disabled", !enabled)
+      }
+      if (spec.active) {
+        let active = enabled && spec.active(state) || false
+        setClass(dom!, prefix + "-active", active)
+      }
+      return true
+    }
+
+    return {dom, update}
+  }
+}
+
+function translate(view: EditorView, text: string): string {
+  return (view as any)._props.translate ? (view as any)._props.translate(text) : text
+}
+
+/// Specifies an icon. May be either an SVG icon, in which case its
+/// `path` property should be an [SVG path
+/// spec](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d),
+/// and `width` and `height` should provide the viewbox in which that
+/// path exists. Alternatively, it may have a `text` property
+/// specifying a string of text that makes up the icon, with an
+/// optional `css` property giving additional CSS styling for the
+/// text. _Or_ it may contain `dom` property containing a DOM node.
+export type IconSpec = {path: string, width: number, height: number} | {text: string, css?: string} | {dom: Node}
+
+/// The configuration object passed to the `MenuItem` constructor.
+export interface MenuItemSpec {
+  /// The function to execute when the menu item is activated.
+  run: (state: EditorState, dispatch: (tr: Transaction) => void, view: EditorView, event: Event) => void
+
+  /// Optional function that is used to determine whether the item is
+  /// appropriate at the moment. Deselected items will be hidden.
+  select?: (state: EditorState) => boolean
+
+  /// Function that is used to determine if the item is enabled. If
+  /// given and returning false, the item will be given a disabled
+  /// styling.
+  enable?: (state: EditorState) => boolean
+
+  /// A predicate function to determine whether the item is 'active' (for
+  /// example, the item for toggling the strong mark might be active then
+  /// the cursor is in strong text).
+  active?: (state: EditorState) => boolean
+
+  /// A function that renders the item. You must provide either this,
+  /// [`icon`](#menu.MenuItemSpec.icon), or [`label`](#MenuItemSpec.label).
+  render?: (view: EditorView) => HTMLElement
+
+  /// Describes an icon to show for this item.
+  icon?: IconSpec
+
+  /// Makes the item show up as a text label. Mostly useful for items
+  /// wrapped in a [drop-down](#menu.Dropdown) or similar menu. The object
+  /// should have a `label` property providing the text to display.
+  label?: string
+
+  /// Defines DOM title (mouseover) text for the item.
+  title?: string | ((state: EditorState) => string)
+
+  /// Optionally adds a CSS class to the item's DOM representation.
+  class?: string
+
+  /// Optionally adds a string of inline CSS to the item's DOM
+  /// representation.
+  css?: string
+}
+
+let lastMenuEvent: {time: number, node: null | Node} = {time: 0, node: null}
+function markMenuEvent(e: Event) {
+  lastMenuEvent.time = Date.now()
+  lastMenuEvent.node = e.target as Node
+}
+function isMenuEvent(wrapper: HTMLElement) {
+  return Date.now() - 100 < lastMenuEvent.time &&
+    lastMenuEvent.node && wrapper.contains(lastMenuEvent.node)
+}
+
+/// A drop-down menu, displayed as a label with a downwards-pointing
+/// triangle to the right of it.
+export class Dropdown implements MenuElement {
+  /// @internal
+  content: readonly MenuElement[]
+
+  /// Create a dropdown wrapping the elements.
+  constructor(
+    content: readonly MenuElement[] | MenuElement,
+    /// @internal
+    readonly options: {
+      /// The label to show on the drop-down control.
+      label?: string
+
+      /// Sets the
+      /// [`title`](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/title)
+      /// attribute given to the menu control.
+      title?: string
+
+      /// When given, adds an extra CSS class to the menu control.
+      class?: string
+
+      /// When given, adds an extra set of CSS styles to the menu control.
+      css?: string
+    } = {}) {
+    this.options = options || {}
+    this.content = Array.isArray(content) ? content : [content]
+  }
+
+  /// Render the dropdown menu and sub-items.
+  render(view: EditorView) {
+    let content = renderDropdownItems(this.content, view)
+    let win = view.dom.ownerDocument.defaultView || window
+
+    let label = crel("div", {class: prefix + "-dropdown " + (this.options.class || ""),
+                             style: this.options.css},
+                     translate(view, this.options.label || ""))
+    if (this.options.title) label.setAttribute("title", translate(view, this.options.title))
+    let wrap = crel("div", {class: prefix + "-dropdown-wrap"}, label)
+    let open: {close: () => boolean, node: HTMLElement} | null = null
+    let listeningOnClose: (() => void) | null = null
+    let close = () => {
+      if (open && open.close()) {
+        open = null
+        win.removeEventListener("mousedown", listeningOnClose!)
+      }
+    }
+    label.addEventListener("mousedown", e => {
+      e.preventDefault()
+      markMenuEvent(e)
+      if (open) {
+        close()
+      } else {
+        open = this.expand(wrap, content.dom)
+        win.addEventListener("mousedown", listeningOnClose = () => {
+          if (!isMenuEvent(wrap)) close()
+        })
+      }
+    })
+
+    function update(state: EditorState) {
+      let inner = content.update(state)
+      wrap.style.display = inner ? "" : "none"
+      return inner
+    }
+
+    return {dom: wrap, update}
+  }
+
+  /// @internal
+  expand(dom: HTMLElement, items: readonly Node[]) {
+    let menuDOM = crel("div", {class: prefix + "-dropdown-menu " + (this.options.class || "")}, items)
+
+    let done = false
+    function close(): boolean {
+      if (done) return false
+      done = true
+      dom.removeChild(menuDOM)
+      return true
+    }
+    dom.appendChild(menuDOM)
+    return {close, node: menuDOM}
+  }
+}
+
+function renderDropdownItems(items: readonly MenuElement[], view: EditorView) {
+  let rendered = [], updates = []
+  for (let i = 0; i < items.length; i++) {
+    let {dom, update} = items[i].render(view)
+    rendered.push(crel("div", {class: prefix + "-dropdown-item"}, dom))
+    updates.push(update)
+  }
+  return {dom: rendered, update: combineUpdates(updates, rendered)}
+}
+
+function combineUpdates(
+  updates: readonly ((state: EditorState) => boolean)[],
+  nodes: readonly HTMLElement[]
+) {
+  return (state: EditorState) => {
+    let something = false
+    for (let i = 0; i < updates.length; i++) {
+      let up = updates[i](state)
+      nodes[i].style.display = up ? "" : "none"
+      if (up) something = true
+    }
+    return something
+  }
+}
+
+/// Represents a submenu wrapping a group of elements that start
+/// hidden and expand to the right when hovered over or tapped.
+export class DropdownSubmenu implements MenuElement {
+  /// @internal
+  content: readonly MenuElement[]
+
+  /// Creates a submenu for the given group of menu elements. The
+  /// following options are recognized:
+  constructor(
+    content: readonly MenuElement[] | MenuElement,
+    /// @internal
+    readonly options: {
+      /// The label to show on the submenu.
+      label?: string
+    } = {}
+  ) {
+    this.content = Array.isArray(content) ? content : [content]
+  }
+
+  /// Renders the submenu.
+  render(view: EditorView) {
+    let items = renderDropdownItems(this.content, view)
+    let win = view.dom.ownerDocument.defaultView || window
+
+    let label = crel("div", {class: prefix + "-submenu-label"}, translate(view, this.options.label || ""))
+    let wrap = crel("div", {class: prefix + "-submenu-wrap"}, label,
+                   crel("div", {class: prefix + "-submenu"}, items.dom))
+    let listeningOnClose: (() => void) | null = null
+    label.addEventListener("mousedown", e => {
+      e.preventDefault()
+      markMenuEvent(e)
+      setClass(wrap, prefix + "-submenu-wrap-active", false)
+      if (!listeningOnClose)
+        win.addEventListener("mousedown", listeningOnClose = () => {
+          if (!isMenuEvent(wrap)) {
+            wrap.classList.remove(prefix + "-submenu-wrap-active")
+            win.removeEventListener("mousedown", listeningOnClose!)
+            listeningOnClose = null
+          }
+        })
+    })
+
+    function update(state: EditorState) {
+      let inner = items.update(state)
+      wrap.style.display = inner ? "" : "none"
+      return inner
+    }
+    return {dom: wrap, update}
+  }
+}
+
+/// Render the given, possibly nested, array of menu elements into a
+/// document fragment, placing separators between them (and ensuring no
+/// superfluous separators appear when some of the groups turn out to
+/// be empty).
+export function renderGrouped(view: EditorView, content: readonly (readonly MenuElement[])[]) {
+  let result = document.createDocumentFragment()
+  let updates: ((state: EditorState) => boolean)[] = [], separators: HTMLElement[] = []
+  for (let i = 0; i < content.length; i++) {
+    let items = content[i], localUpdates = [], localNodes = []
+    for (let j = 0; j < items.length; j++) {
+      let {dom, update} = items[j].render(view)
+      let span = crel("span", {class: prefix + "item"}, dom)
+      result.appendChild(span)
+      localNodes.push(span)
+      localUpdates.push(update)
+    }
+    if (localUpdates.length) {
+      updates.push(combineUpdates(localUpdates, localNodes))
+      if (i < content.length - 1)
+        separators.push(result.appendChild(separator()))
+    }
+  }
+
+  function update(state: EditorState) {
+    let something = false, needSep = false
+    for (let i = 0; i < updates.length; i++) {
+      let hasContent = updates[i](state)
+      if (i) separators[i - 1].style.display = needSep && hasContent ? "" : "none"
+      needSep = hasContent
+      if (hasContent) something = true
+    }
+    return something
+  }
+  return {dom: result, update}
+}
+
+function separator() {
+  return crel("span", {class: prefix + "separator"})
+}
+
+/// A set of basic editor-related icons. Contains the properties
+/// `join`, `lift`, `selectParentNode`, `undo`, `redo`, `strong`, `em`,
+/// `code`, `link`, `bulletList`, `orderedList`, and `blockquote`, each
+/// holding an object that can be used as the `icon` option to
+/// `MenuItem`.
+export const icons: {[name: string]: IconSpec} = {
+  join: {
+    width: 800, height: 900,
+    path: "M0 75h800v125h-800z M0 825h800v-125h-800z M250 400h100v-100h100v100h100v100h-100v100h-100v-100h-100z"
+  },
+  lift: {
+    width: 1024, height: 1024,
+    path: "M219 310v329q0 7-5 12t-12 5q-8 0-13-5l-164-164q-5-5-5-13t5-13l164-164q5-5 13-5 7 0 12 5t5 12zM1024 749v109q0 7-5 12t-12 5h-987q-7 0-12-5t-5-12v-109q0-7 5-12t12-5h987q7 0 12 5t5 12zM1024 530v109q0 7-5 12t-12 5h-621q-7 0-12-5t-5-12v-109q0-7 5-12t12-5h621q7 0 12 5t5 12zM1024 310v109q0 7-5 12t-12 5h-621q-7 0-12-5t-5-12v-109q0-7 5-12t12-5h621q7 0 12 5t5 12zM1024 91v109q0 7-5 12t-12 5h-987q-7 0-12-5t-5-12v-109q0-7 5-12t12-5h987q7 0 12 5t5 12z"
+  },
+  selectParentNode: {text: "\u2b1a", css: "font-weight: bold"},
+  undo: {
+    width: 1024, height: 1024,
+    path: "M761 1024c113-206 132-520-313-509v253l-384-384 384-384v248c534-13 594 472 313 775z"
+  },
+  redo: {
+    width: 1024, height: 1024,
+    path: "M576 248v-248l384 384-384 384v-253c-446-10-427 303-313 509-280-303-221-789 313-775z"
+  },
+  strong: {
+    width: 805, height: 1024,
+    path: "M317 869q42 18 80 18 214 0 214-191 0-65-23-102-15-25-35-42t-38-26-46-14-48-6-54-1q-41 0-57 5 0 30-0 90t-0 90q0 4-0 38t-0 55 2 47 6 38zM309 442q24 4 62 4 46 0 81-7t62-25 42-51 14-81q0-40-16-70t-45-46-61-24-70-8q-28 0-74 7 0 28 2 86t2 86q0 15-0 45t-0 45q0 26 0 39zM0 950l1-53q8-2 48-9t60-15q4-6 7-15t4-19 3-18 1-21 0-19v-37q0-561-12-585-2-4-12-8t-25-6-28-4-27-2-17-1l-2-47q56-1 194-6t213-5q13 0 39 0t38 0q40 0 78 7t73 24 61 40 42 59 16 78q0 29-9 54t-22 41-36 32-41 25-48 22q88 20 146 76t58 141q0 57-20 102t-53 74-78 48-93 27-100 8q-25 0-75-1t-75-1q-60 0-175 6t-132 6z"
+  },
+  em: {
+    width: 585, height: 1024,
+    path: "M0 949l9-48q3-1 46-12t63-21q16-20 23-57 0-4 35-165t65-310 29-169v-14q-13-7-31-10t-39-4-33-3l10-58q18 1 68 3t85 4 68 1q27 0 56-1t69-4 56-3q-2 22-10 50-17 5-58 16t-62 19q-4 10-8 24t-5 22-4 26-3 24q-15 84-50 239t-44 203q-1 5-7 33t-11 51-9 47-3 32l0 10q9 2 105 17-1 25-9 56-6 0-18 0t-18 0q-16 0-49-5t-49-5q-78-1-117-1-29 0-81 5t-69 6z"
+  },
+  code: {
+    width: 896, height: 1024,
+    path: "M608 192l-96 96 224 224-224 224 96 96 288-320-288-320zM288 192l-288 320 288 320 96-96-224-224 224-224-96-96z"
+  },
+  link: {
+    width: 951, height: 1024,
+    path: "M832 694q0-22-16-38l-118-118q-16-16-38-16-24 0-41 18 1 1 10 10t12 12 8 10 7 14 2 15q0 22-16 38t-38 16q-8 0-15-2t-14-7-10-8-12-12-10-10q-18 17-18 41 0 22 16 38l117 118q15 15 38 15 22 0 38-14l84-83q16-16 16-38zM430 292q0-22-16-38l-117-118q-16-16-38-16-22 0-38 15l-84 83q-16 16-16 38 0 22 16 38l118 118q15 15 38 15 24 0 41-17-1-1-10-10t-12-12-8-10-7-14-2-15q0-22 16-38t38-16q8 0 15 2t14 7 10 8 12 12 10 10q18-17 18-41zM941 694q0 68-48 116l-84 83q-47 47-116 47-69 0-116-48l-117-118q-47-47-47-116 0-70 50-119l-50-50q-49 50-118 50-68 0-116-48l-118-118q-48-48-48-116t48-116l84-83q47-47 116-47 69 0 116 48l117 118q47 47 47 116 0 70-50 119l50 50q49-50 118-50 68 0 116 48l118 118q48 48 48 116z"
+  },
+  bulletList: {
+    width: 768, height: 896,
+    path: "M0 512h128v-128h-128v128zM0 256h128v-128h-128v128zM0 768h128v-128h-128v128zM256 512h512v-128h-512v128zM256 256h512v-128h-512v128zM256 768h512v-128h-512v128z"
+  },
+  orderedList: {
+    width: 768, height: 896,
+    path: "M320 512h448v-128h-448v128zM320 768h448v-128h-448v128zM320 128v128h448v-128h-448zM79 384h78v-256h-36l-85 23v50l43-2v185zM189 590c0-36-12-78-96-78-33 0-64 6-83 16l1 66c21-10 42-15 67-15s32 11 32 28c0 26-30 58-110 112v50h192v-67l-91 2c49-30 87-66 87-113l1-1z"
+  },
+  blockquote: {
+    width: 640, height: 896,
+    path: "M0 448v256h256v-256h-128c0 0 0-128 128-128v-128c0 0-256 0-256 256zM640 320v-128c0 0-256 0-256 256v256h256v-256h-128c0 0 0-128 128-128z"
+  }
+}
+
+/// Menu item for the `joinUp` command.
+export const joinUpItem = new MenuItem({
+  title: "Join with above block",
+  run: joinUp,
+  select: state => joinUp(state),
+  icon: icons.join
+})
+
+/// Menu item for the `lift` command.
+export const liftItem = new MenuItem({
+  title: "Lift out of enclosing block",
+  run: lift,
+  select: state => lift(state),
+  icon: icons.lift
+})
+
+/// Menu item for the `selectParentNode` command.
+export const selectParentNodeItem = new MenuItem({
+  title: "Select parent node",
+  run: selectParentNode,
+  select: state => selectParentNode(state),
+  icon: icons.selectParentNode
+})
+
+/// Menu item for the `undo` command.
+export let undoItem = new MenuItem({
+  title: "Undo last change",
+  run: undo,
+  enable: state => undo(state),
+  icon: icons.undo
+})
+
+/// Menu item for the `redo` command.
+export let redoItem = new MenuItem({
+  title: "Redo last undone change",
+  run: redo,
+  enable: state => redo(state),
+  icon: icons.redo
+})
+
+/// Build a menu item for wrapping the selection in a given node type.
+/// Adds `run` and `select` properties to the ones present in
+/// `options`. `options.attrs` may be an object that provides
+/// attributes for the wrapping node.
+export function wrapItem(nodeType: NodeType, options: Partial<MenuItemSpec> & {attrs?: Attrs | null}) {
+  let passedOptions: MenuItemSpec = {
+    run(state, dispatch) {
+      return wrapIn(nodeType, options.attrs)(state, dispatch)
+    },
+    select(state) {
+      return wrapIn(nodeType, options.attrs)(state)
+    }
+  }
+  for (let prop in options) (passedOptions as any)[prop] = (options as any)[prop]
+  return new MenuItem(passedOptions)
+}
+
+/// Build a menu item for changing the type of the textblock around the
+/// selection to the given type. Provides `run`, `active`, and `select`
+/// properties. Others must be given in `options`. `options.attrs` may
+/// be an object to provide the attributes for the textblock node.
+export function blockTypeItem(nodeType: NodeType, options: Partial<MenuItemSpec> & {attrs?: Attrs | null}) {
+  let command = setBlockType(nodeType, options.attrs)
+  let passedOptions: MenuItemSpec = {
+    run: command,
+    enable(state) { return command(state) },
+    active(state) {
+      let {$from, to, node} = state.selection as NodeSelection
+      if (node) return node.hasMarkup(nodeType, options.attrs)
+      return to <= $from.end() && $from.parent.hasMarkup(nodeType, options.attrs)
+    }
+  }
+  for (let prop in options) (passedOptions as any)[prop] = (options as any)[prop]
+  return new MenuItem(passedOptions)
+}
+
+// Work around classList.toggle being broken in IE11
+function setClass(dom: HTMLElement, cls: string, on: boolean) {
+  if (on) dom.classList.add(cls)
+  else dom.classList.remove(cls)
+}
@@ -0,0 +1,165 @@
+import crel from "crelt"
+import {Plugin, EditorState} from "prosemirror-state"
+import {EditorView} from "prosemirror-view"
+
+import {renderGrouped, MenuElement} from "./menu"
+
+const prefix = "ProseMirror-menubar"
+
+function isIOS() {
+  if (typeof navigator == "undefined") return false
+  let agent = navigator.userAgent
+  return !/Edge\/\d/.test(agent) && /AppleWebKit/.test(agent) && /Mobile\/\w+/.test(agent)
+}
+
+/// A plugin that will place a menu bar above the editor. Note that
+/// this involves wrapping the editor in an additional `<div>`.
+export function menuBar(options: {
+  /// Provides the content of the menu, as a nested array to be
+  /// passed to `renderGrouped`.
+  content: readonly (readonly MenuElement[])[]
+
+  /// Determines whether the menu floats, i.e. whether it sticks to
+  /// the top of the viewport when the editor is partially scrolled
+  /// out of view.
+  floating?: boolean
+}): Plugin {
+  return new Plugin({
+    view(editorView) { return new MenuBarView(editorView, options) }
+  })
+}
+
+class MenuBarView {
+  wrapper: HTMLElement
+  menu: HTMLElement
+  spacer: HTMLElement | null = null
+  maxHeight = 0
+  widthForMaxHeight = 0
+  floating = false
+  contentUpdate: (state: EditorState) => boolean
+  scrollHandler: ((event: Event) => void) | null = null
+  root: Document | ShadowRoot
+
+  constructor(
+    readonly editorView: EditorView,
+    readonly options: Parameters<typeof menuBar>[0]
+  ) {
+    this.root = editorView.root
+    this.wrapper = crel("div", {class: prefix + "-wrapper"})
+    this.menu = this.wrapper.appendChild(crel("div", {class: prefix}))
+    this.menu.className = prefix
+
+    if (editorView.dom.parentNode)
+      editorView.dom.parentNode.replaceChild(this.wrapper, editorView.dom)
+    this.wrapper.appendChild(editorView.dom)
+
+    let {dom, update} = renderGrouped(this.editorView, this.options.content)
+    this.contentUpdate = update
+    this.menu.appendChild(dom)
+    this.update()
+
+    if (options.floating && !isIOS()) {
+      this.updateFloat()
+      let potentialScrollers = getAllWrapping(this.wrapper)
+      this.scrollHandler = (e: Event) => {
+        let root = this.editorView.root
+        if (!((root as Document).body || root).contains(this.wrapper))
+          potentialScrollers.forEach(el => el.removeEventListener("scroll", this.scrollHandler!))
+        else
+          this.updateFloat((e.target as HTMLElement).getBoundingClientRect ? e.target as HTMLElement : undefined)
+      }
+      potentialScrollers.forEach(el => el.addEventListener('scroll', this.scrollHandler!))
+    }
+  }
+
+  update() {
+    if (this.editorView.root != this.root) {
+      let {dom, update} = renderGrouped(this.editorView, this.options.content)
+      this.contentUpdate = update
+      this.menu.replaceChild(dom, this.menu.firstChild!)
+      this.root = this.editorView.root
+    }
+    this.contentUpdate(this.editorView.state)
+
+    if (this.floating) {
+      this.updateScrollCursor()
+    } else {
+      if (this.menu.offsetWidth != this.widthForMaxHeight) {
+        this.widthForMaxHeight = this.menu.offsetWidth
+        this.maxHeight = 0
+      }
+      if (this.menu.offsetHeight > this.maxHeight) {
+        this.maxHeight = this.menu.offsetHeight
+        this.menu.style.minHeight = this.maxHeight + "px"
+      }
+    }
+  }
+
+  updateScrollCursor() {
+    let selection = (this.editorView.root as Document).getSelection()!
+    if (!selection.focusNode) return
+    let rects = selection.getRangeAt(0).getClientRects()
+    let selRect = rects[selectionIsInverted(selection) ? 0 : rects.length - 1]
+    if (!selRect) return
+    let menuRect = this.menu.getBoundingClientRect()
+    if (selRect.top < menuRect.bottom && selRect.bottom > menuRect.top) {
+      let scrollable = findWrappingScrollable(this.wrapper)
+      if (scrollable) scrollable.scrollTop -= (menuRect.bottom - selRect.top)
+    }
+  }
+
+  updateFloat(scrollAncestor?: HTMLElement) {
+    let parent = this.wrapper, editorRect = parent.getBoundingClientRect(),
+        top = scrollAncestor ? Math.max(0, scrollAncestor.getBoundingClientRect().top) : 0
+
+    if (this.floating) {
+      if (editorRect.top >= top || editorRect.bottom < this.menu.offsetHeight + 10) {
+        this.floating = false
+        this.menu.style.position = this.menu.style.left = this.menu.style.top = this.menu.style.width = ""
+        this.menu.style.display = ""
+        this.spacer!.parentNode!.removeChild(this.spacer!)
+        this.spacer = null
+      } else {
+        let border = (parent.offsetWidth - parent.clientWidth) / 2
+        this.menu.style.left = (editorRect.left + border) + "px"
+        this.menu.style.display = editorRect.top > (this.editorView.dom.ownerDocument.defaultView || window).innerHeight
+          ? "none" : ""
+        if (scrollAncestor) this.menu.style.top = top + "px"
+      }
+    } else {
+      if (editorRect.top < top && editorRect.bottom >= this.menu.offsetHeight + 10) {
+        this.floating = true
+        let menuRect = this.menu.getBoundingClientRect()
+        this.menu.style.left = menuRect.left + "px"
+        this.menu.style.width = menuRect.width + "px"
+        if (scrollAncestor) this.menu.style.top = top + "px"
+        this.menu.style.position = "fixed"
+        this.spacer = crel("div", {class: prefix + "-spacer", style: `height: ${menuRect.height}px`})
+        parent.insertBefore(this.spacer, this.menu)
+      }
+    }
+  }
+
+  destroy() {
+    if (this.wrapper.parentNode)
+      this.wrapper.parentNode.replaceChild(this.editorView.dom, this.wrapper)
+  }
+}
+
+// Not precise, but close enough
+function selectionIsInverted(selection: Selection) {
+  if (selection.anchorNode == selection.focusNode) return selection.anchorOffset > selection.focusOffset
+  return selection.anchorNode!.compareDocumentPosition(selection.focusNode!) == Node.DOCUMENT_POSITION_FOLLOWING
+}
+
+function findWrappingScrollable(node: Node) {
+  for (let cur = node.parentNode; cur; cur = cur.parentNode)
+    if ((cur as HTMLElement).scrollHeight > (cur as HTMLElement).clientHeight) return cur as HTMLElement
+}
+
+function getAllWrapping(node: Node) {
+  let res: (Node | Window)[] = [node.ownerDocument!.defaultView || window]
+  for (let cur = node.parentNode; cur; cur = cur.parentNode)
+    res.push(cur)
+  return res
+}