9d7174557e
This is a copy of the ProseMirror/prosemirror-menu repo files which suggest working from a fork of this. These changes include the ability to select callouts from the menubar.
464 lines
17 KiB
JavaScript
464 lines
17 KiB
JavaScript
/**
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* This file originates from https://github.com/ProseMirror/prosemirror-menu
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* and is hence subject to the MIT license found here:
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* https://github.com/ProseMirror/prosemirror-menu/blob/master/LICENSE
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* @copyright Marijn Haverbeke and others
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*/
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import crel from "crelt"
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import {lift, joinUp, selectParentNode, wrapIn, setBlockType} from "prosemirror-commands"
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import {undo, redo} from "prosemirror-history"
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import {getIcon} from "./icons"
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const prefix = "ProseMirror-menu"
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// ::- An icon or label that, when clicked, executes a command.
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export class MenuItem {
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// :: (MenuItemSpec)
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constructor(spec) {
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// :: MenuItemSpec
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// The spec used to create the menu item.
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this.spec = spec
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}
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// :: (EditorView) → {dom: dom.Node, update: (EditorState) → bool}
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// Renders the icon according to its [display
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// spec](#menu.MenuItemSpec.display), and adds an event handler which
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// executes the command when the representation is clicked.
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render(view) {
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let spec = this.spec
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let dom = spec.render ? spec.render(view)
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: spec.icon ? getIcon(spec.icon)
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: spec.label ? crel("div", null, translate(view, spec.label))
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: null
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if (!dom) throw new RangeError("MenuItem without icon or label property")
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if (spec.title) {
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const title = (typeof spec.title === "function" ? spec.title(view.state) : spec.title)
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dom.setAttribute("title", translate(view, title))
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}
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if (spec.class) dom.classList.add(spec.class)
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if (spec.css) dom.style.cssText += spec.css
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dom.addEventListener("mousedown", e => {
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e.preventDefault()
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if (!dom.classList.contains(prefix + "-disabled"))
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spec.run(view.state, view.dispatch, view, e)
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})
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function update(state) {
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if (spec.select) {
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let selected = spec.select(state)
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dom.style.display = selected ? "" : "none"
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if (!selected) return false
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}
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let enabled = true
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if (spec.enable) {
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enabled = spec.enable(state) || false
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setClass(dom, prefix + "-disabled", !enabled)
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}
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if (spec.active) {
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let active = enabled && spec.active(state) || false
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setClass(dom, prefix + "-active", active)
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}
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return true
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}
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return {dom, update}
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}
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}
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function translate(view, text) {
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return view._props.translate ? view._props.translate(text) : text
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}
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// MenuItemSpec:: interface
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// The configuration object passed to the `MenuItem` constructor.
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//
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// run:: (EditorState, (Transaction), EditorView, dom.Event)
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// The function to execute when the menu item is activated.
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//
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// select:: ?(EditorState) → bool
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// Optional function that is used to determine whether the item is
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// appropriate at the moment. Deselected items will be hidden.
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//
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// enable:: ?(EditorState) → bool
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// Function that is used to determine if the item is enabled. If
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// given and returning false, the item will be given a disabled
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// styling.
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//
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// active:: ?(EditorState) → bool
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// A predicate function to determine whether the item is 'active' (for
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// example, the item for toggling the strong mark might be active then
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// the cursor is in strong text).
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//
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// render:: ?(EditorView) → dom.Node
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// A function that renders the item. You must provide either this,
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// [`icon`](#menu.MenuItemSpec.icon), or [`label`](#MenuItemSpec.label).
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//
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// icon:: ?Object
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// Describes an icon to show for this item. The object may specify
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// an SVG icon, in which case its `path` property should be an [SVG
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// path
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// spec](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d),
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// and `width` and `height` should provide the viewbox in which that
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// path exists. Alternatively, it may have a `text` property
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// specifying a string of text that makes up the icon, with an
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// optional `css` property giving additional CSS styling for the
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// text. _Or_ it may contain `dom` property containing a DOM node.
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//
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// label:: ?string
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// Makes the item show up as a text label. Mostly useful for items
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// wrapped in a [drop-down](#menu.Dropdown) or similar menu. The object
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// should have a `label` property providing the text to display.
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//
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// title:: ?union<string, (EditorState) → string>
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// Defines DOM title (mouseover) text for the item.
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//
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// class:: ?string
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// Optionally adds a CSS class to the item's DOM representation.
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//
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// css:: ?string
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// Optionally adds a string of inline CSS to the item's DOM
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// representation.
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let lastMenuEvent = {time: 0, node: null}
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function markMenuEvent(e) {
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lastMenuEvent.time = Date.now()
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lastMenuEvent.node = e.target
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}
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function isMenuEvent(wrapper) {
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return Date.now() - 100 < lastMenuEvent.time &&
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lastMenuEvent.node && wrapper.contains(lastMenuEvent.node)
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}
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// ::- A drop-down menu, displayed as a label with a downwards-pointing
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// triangle to the right of it.
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export class Dropdown {
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// :: ([MenuElement], ?Object)
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// Create a dropdown wrapping the elements. Options may include
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// the following properties:
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//
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// **`label`**`: string`
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// : The label to show on the drop-down control.
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//
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// **`title`**`: string`
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// : Sets the
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// [`title`](https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/title)
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// attribute given to the menu control.
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//
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// **`class`**`: string`
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// : When given, adds an extra CSS class to the menu control.
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//
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// **`css`**`: string`
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// : When given, adds an extra set of CSS styles to the menu control.
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constructor(content, options) {
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this.options = options || {}
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this.content = Array.isArray(content) ? content : [content]
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}
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// :: (EditorView) → {dom: dom.Node, update: (EditorState)}
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// Render the dropdown menu and sub-items.
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render(view) {
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let content = renderDropdownItems(this.content, view)
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let label = crel("div", {class: prefix + "-dropdown " + (this.options.class || ""),
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style: this.options.css},
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translate(view, this.options.label))
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if (this.options.title) label.setAttribute("title", translate(view, this.options.title))
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let wrap = crel("div", {class: prefix + "-dropdown-wrap"}, label)
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let open = null, listeningOnClose = null
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let close = () => {
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if (open && open.close()) {
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open = null
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window.removeEventListener("mousedown", listeningOnClose)
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}
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}
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label.addEventListener("mousedown", e => {
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e.preventDefault()
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markMenuEvent(e)
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if (open) {
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close()
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} else {
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open = this.expand(wrap, content.dom)
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window.addEventListener("mousedown", listeningOnClose = () => {
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if (!isMenuEvent(wrap)) close()
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})
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}
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})
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function update(state) {
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let inner = content.update(state)
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wrap.style.display = inner ? "" : "none"
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return inner
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}
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return {dom: wrap, update}
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}
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expand(dom, items) {
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let menuDOM = crel("div", {class: prefix + "-dropdown-menu " + (this.options.class || "")}, items)
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let done = false
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function close() {
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if (done) return
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done = true
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dom.removeChild(menuDOM)
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return true
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}
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dom.appendChild(menuDOM)
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return {close, node: menuDOM}
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}
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}
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function renderDropdownItems(items, view) {
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let rendered = [], updates = []
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for (let i = 0; i < items.length; i++) {
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let {dom, update} = items[i].render(view)
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rendered.push(crel("div", {class: prefix + "-dropdown-item"}, dom))
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updates.push(update)
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}
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return {dom: rendered, update: combineUpdates(updates, rendered)}
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}
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function combineUpdates(updates, nodes) {
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return state => {
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let something = false
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for (let i = 0; i < updates.length; i++) {
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let up = updates[i](state)
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nodes[i].style.display = up ? "" : "none"
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if (up) something = true
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}
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return something
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}
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}
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// ::- Represents a submenu wrapping a group of elements that start
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// hidden and expand to the right when hovered over or tapped.
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export class DropdownSubmenu {
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// :: ([MenuElement], ?Object)
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// Creates a submenu for the given group of menu elements. The
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// following options are recognized:
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//
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// **`label`**`: string`
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// : The label to show on the submenu.
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constructor(content, options) {
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this.options = options || {}
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this.content = Array.isArray(content) ? content : [content]
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}
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// :: (EditorView) → {dom: dom.Node, update: (EditorState) → bool}
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// Renders the submenu.
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render(view) {
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let items = renderDropdownItems(this.content, view)
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let label = crel("div", {class: prefix + "-submenu-label"}, translate(view, this.options.label))
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let wrap = crel("div", {class: prefix + "-submenu-wrap"}, label,
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crel("div", {class: prefix + "-submenu"}, items.dom))
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let listeningOnClose = null
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label.addEventListener("mousedown", e => {
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e.preventDefault()
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markMenuEvent(e)
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setClass(wrap, prefix + "-submenu-wrap-active")
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if (!listeningOnClose)
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window.addEventListener("mousedown", listeningOnClose = () => {
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if (!isMenuEvent(wrap)) {
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wrap.classList.remove(prefix + "-submenu-wrap-active")
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window.removeEventListener("mousedown", listeningOnClose)
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listeningOnClose = null
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}
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})
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})
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function update(state) {
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let inner = items.update(state)
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wrap.style.display = inner ? "" : "none"
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return inner
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}
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return {dom: wrap, update}
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}
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}
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// :: (EditorView, [[MenuElement]]) → {dom: dom.DocumentFragment, update: (EditorState) → bool}
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// Render the given, possibly nested, array of menu elements into a
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// document fragment, placing separators between them (and ensuring no
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// superfluous separators appear when some of the groups turn out to
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// be empty).
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export function renderGrouped(view, content) {
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let result = document.createDocumentFragment()
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let updates = [], separators = []
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for (let i = 0; i < content.length; i++) {
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let items = content[i], localUpdates = [], localNodes = []
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for (let j = 0; j < items.length; j++) {
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let {dom, update} = items[j].render(view)
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let span = crel("span", {class: prefix + "item"}, dom)
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result.appendChild(span)
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localNodes.push(span)
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localUpdates.push(update)
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}
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if (localUpdates.length) {
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updates.push(combineUpdates(localUpdates, localNodes))
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if (i < content.length - 1)
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separators.push(result.appendChild(separator()))
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}
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}
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function update(state) {
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let something = false, needSep = false
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for (let i = 0; i < updates.length; i++) {
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let hasContent = updates[i](state)
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if (i) separators[i - 1].style.display = needSep && hasContent ? "" : "none"
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needSep = hasContent
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if (hasContent) something = true
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}
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return something
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}
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return {dom: result, update}
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}
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function separator() {
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return crel("span", {class: prefix + "separator"})
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}
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// :: Object
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// A set of basic editor-related icons. Contains the properties
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// `join`, `lift`, `selectParentNode`, `undo`, `redo`, `strong`, `em`,
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// `code`, `link`, `bulletList`, `orderedList`, and `blockquote`, each
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// holding an object that can be used as the `icon` option to
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// `MenuItem`.
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export const icons = {
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join: {
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width: 800, height: 900,
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path: "M0 75h800v125h-800z M0 825h800v-125h-800z M250 400h100v-100h100v100h100v100h-100v100h-100v-100h-100z"
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},
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lift: {
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width: 1024, height: 1024,
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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"
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},
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selectParentNode: {text: "\u2b1a", css: "font-weight: bold"},
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undo: {
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width: 1024, height: 1024,
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path: "M761 1024c113-206 132-520-313-509v253l-384-384 384-384v248c534-13 594 472 313 775z"
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},
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redo: {
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width: 1024, height: 1024,
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path: "M576 248v-248l384 384-384 384v-253c-446-10-427 303-313 509-280-303-221-789 313-775z"
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},
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strong: {
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width: 805, height: 1024,
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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"
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},
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em: {
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width: 585, height: 1024,
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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"
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},
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code: {
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width: 896, height: 1024,
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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"
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},
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link: {
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width: 951, height: 1024,
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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"
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},
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bulletList: {
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width: 768, height: 896,
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path: "M0 512h128v-128h-128v128zM0 256h128v-128h-128v128zM0 768h128v-128h-128v128zM256 512h512v-128h-512v128zM256 256h512v-128h-512v128zM256 768h512v-128h-512v128z"
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},
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orderedList: {
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width: 768, height: 896,
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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"
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},
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blockquote: {
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width: 640, height: 896,
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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"
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}
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}
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// :: MenuItem
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// Menu item for the `joinUp` command.
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export const joinUpItem = new MenuItem({
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title: "Join with above block",
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run: joinUp,
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select: state => joinUp(state),
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icon: icons.join
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})
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// :: MenuItem
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// Menu item for the `lift` command.
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export const liftItem = new MenuItem({
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title: "Lift out of enclosing block",
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run: lift,
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select: state => lift(state),
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icon: icons.lift
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})
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// :: MenuItem
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// Menu item for the `selectParentNode` command.
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export const selectParentNodeItem = new MenuItem({
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title: "Select parent node",
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run: selectParentNode,
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select: state => selectParentNode(state),
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icon: icons.selectParentNode
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})
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// :: MenuItem
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// Menu item for the `undo` command.
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export let undoItem = new MenuItem({
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title: "Undo last change",
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run: undo,
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enable: state => undo(state),
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icon: icons.undo
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})
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// :: MenuItem
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// Menu item for the `redo` command.
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export let redoItem = new MenuItem({
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title: "Redo last undone change",
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run: redo,
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enable: state => redo(state),
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icon: icons.redo
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})
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// :: (NodeType, Object) → MenuItem
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// Build a menu item for wrapping the selection in a given node type.
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// Adds `run` and `select` properties to the ones present in
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// `options`. `options.attrs` may be an object or a function.
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export function wrapItem(nodeType, options) {
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let passedOptions = {
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run(state, dispatch) {
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// FIXME if (options.attrs instanceof Function) options.attrs(state, attrs => wrapIn(nodeType, attrs)(state))
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return wrapIn(nodeType, options.attrs)(state, dispatch)
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},
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select(state) {
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return wrapIn(nodeType, options.attrs instanceof Function ? null : options.attrs)(state)
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}
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}
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for (let prop in options) passedOptions[prop] = options[prop]
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return new MenuItem(passedOptions)
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}
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// :: (NodeType, Object) → MenuItem
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// Build a menu item for changing the type of the textblock around the
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// selection to the given type. Provides `run`, `active`, and `select`
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// properties. Others must be given in `options`. `options.attrs` may
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// be an object to provide the attributes for the textblock node.
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export function blockTypeItem(nodeType, options) {
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let command = setBlockType(nodeType, options.attrs)
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let passedOptions = {
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run: command,
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enable(state) { return command(state) },
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active(state) {
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let {$from, to, node} = state.selection
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if (node) return node.hasMarkup(nodeType, options.attrs)
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return to <= $from.end() && $from.parent.hasMarkup(nodeType, options.attrs)
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}
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}
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for (let prop in options) passedOptions[prop] = options[prop]
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return new MenuItem(passedOptions)
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}
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// Work around classList.toggle being broken in IE11
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function setClass(dom, cls, on) {
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if (on) dom.classList.add(cls)
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else dom.classList.remove(cls)
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}
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