629 lines
24 KiB
TypeScript
629 lines
24 KiB
TypeScript
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 {EditorView} from "prosemirror-view"
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import {EditorState, Transaction, NodeSelection} from "prosemirror-state"
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import {NodeType, Attrs} from "prosemirror-model"
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import {getIcon} from "./icons"
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/// The types defined in this module aren't the only thing you can
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/// display in your menu. Anything that conforms to this interface can
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/// be put into a menu structure.
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export interface MenuElement {
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/// Render the element for display in the menu. Must return a DOM
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/// element and a function that can be used to update the element to
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/// a new state. The `update` function must return false if the
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/// update hid the entire element. May also return a `focusable`
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/// DOM node, which is the node that should receive focus when this
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/// element is focused. If not provided, the `dom` element will be used.
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render(pm: EditorView): {dom: HTMLElement, update: (state: EditorState) => boolean, focusable?: HTMLElement}
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}
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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<E extends HTMLElement = HTMLButtonElement> implements MenuElement {
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/// Create a menu item.
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constructor(
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/// The spec used to create this item.
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readonly spec: MenuItemSpec<E>
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) {}
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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: EditorView) {
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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(view.root, spec.icon)
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: spec.label ? crel("button", null, translate(view, spec.label)) as HTMLButtonElement
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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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let title = (typeof spec.title === "function" ? spec.title(view.state) : spec.title)
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;(dom as HTMLElement).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("click", e => {
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if (!dom!.classList.contains(prefix + "-disabled")) {
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let setFocus = document.activeElement == dom || document.activeElement == view.dom
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spec.run(view.state, view.dispatch, view, e)
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if (setFocus && document.activeElement == dom) view.focus()
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}
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})
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// Clicking on a menu item should not remove focus from the editor
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dom.addEventListener("mousedown", e => e.preventDefault())
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function update(state: EditorState) {
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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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dom!.setAttribute("aria-disabled", (!enabled).toString())
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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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dom!.setAttribute("aria-pressed", active.toString())
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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: EditorView, text: string): string {
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return (view as any)._props.translate ? (view as any)._props.translate(text) : text
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}
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/// Specifies an icon. May be either an SVG icon, in which case its
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/// `path` property should be an [SVG 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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export type IconSpec = {path: string, width: number, height: number} | {text: string, css?: string} | {dom: Node}
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/// The configuration object passed to the `MenuItem` constructor.
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export interface MenuItemSpec<E extends HTMLElement = HTMLButtonElement> {
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/// The function to execute when the menu item is activated.
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run: (state: EditorState, dispatch: (tr: Transaction) => void, view: EditorView, event: Event) => void
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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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select?: (state: EditorState) => boolean
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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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enable?: (state: EditorState) => boolean
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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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active?: (state: EditorState) => boolean
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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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render?: (view: EditorView) => E
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/// Describes an icon to show for this item.
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icon?: IconSpec
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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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label?: string
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/// Defines DOM title (mouseover) text for the item.
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title?: string | ((state: EditorState) => string)
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/// Optionally adds a CSS class to the item's DOM representation.
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class?: 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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css?: string
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}
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let lastMenuEvent: {time: number, node: null | Node} = {time: 0, node: null}
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function markMenuEvent(e: Event) {
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lastMenuEvent.time = Date.now()
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lastMenuEvent.node = e.target as Node
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}
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function isMenuEvent(wrapper: HTMLElement) {
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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 implements MenuElement {
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/// @internal
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content: readonly MenuElement[]
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/// @internal
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focusables: HTMLElement[] = []
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/// @internal
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focusIndex = 0
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private focusTimeout = -1
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/// Create a dropdown wrapping the elements.
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constructor(
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content: readonly MenuElement[] | MenuElement,
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/// @internal
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readonly options: {
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/// The label to show on the drop-down control.
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label?: 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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title?: string
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/// When given, adds an extra CSS class to the menu control.
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class?: string
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/// When given, adds an extra set of CSS styles to the menu control.
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css?: string
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} = {}) {
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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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/// Render the dropdown menu and sub-items.
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render(view: EditorView) {
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let content = renderDropdownItems(this.content, view)
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this.focusables = content.focusables
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let win = view.dom.ownerDocument.defaultView || window
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let btn = crel(
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"button", {
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class: prefix + "-dropdown " + (this.options.class || ""),
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style: this.options.css,
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"aria-haspopup": "menu",
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"aria-expanded": "false"
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},
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translate(view, this.options.label || "")
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)
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if (this.options.title) btn.setAttribute("title", translate(view, this.options.title))
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let wrap = crel("div", {class: prefix + "-dropdown-wrap"}, btn)
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let open: {close: () => boolean, node: HTMLElement} | null = null
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let listeningOnClose: (() => void) | null = 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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win.removeEventListener("click", listeningOnClose!)
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}
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}
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btn.addEventListener("click", e => {
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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, btn)
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win.addEventListener("click", listeningOnClose = () => {
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if (!isMenuEvent(wrap)) close()
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})
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// If triggered using the keyboard, move focus to first item
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if (e.detail === 0) {
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let focusIndex = findFocusableIndex(this.focusables, -1, 1)
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if (focusIndex != null) this.setFocusIndex(focusIndex)
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}
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open.node.addEventListener("keydown", (event) => {
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markMenuEvent(event)
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if (keyboardMoveFocus(this, event, "vertical")) {
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} else if (event.key === "Escape") {
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event.preventDefault()
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event.stopPropagation()
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close()
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btn.focus()
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}
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})
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open.node.addEventListener("focusout", () => {
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clearTimeout(this.focusTimeout)
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this.focusTimeout = setTimeout(() => {
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let active = win.document.activeElement
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if (active && open && !open.node.contains(active)) close()
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}, 20)
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})
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}
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})
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// Clicking on a dropdown should not remove focus from the editor
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btn.addEventListener("mousedown", e => e.preventDefault())
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function update(state: EditorState) {
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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, focusable: btn}
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}
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/// @internal
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expand(dom: HTMLElement, items: HTMLElement, trigger: HTMLElement) {
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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(): boolean {
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if (done) return false
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done = true
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dom.removeChild(menuDOM)
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trigger.ariaControlsElements = []
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trigger.setAttribute("aria-expanded", "false")
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return true
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}
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dom.appendChild(menuDOM)
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trigger.ariaControlsElements = [items]
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trigger.setAttribute("aria-expanded", "true")
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return {close, node: menuDOM}
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}
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setFocusIndex(index: number) {
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if (this.focusables.length <= 1) return
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this.focusables[this.focusIndex].setAttribute("tabindex", "-1")
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this.focusIndex = index
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let nextFocusItem = this.focusables[index]
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nextFocusItem.setAttribute("tabindex", "0")
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nextFocusItem.focus()
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}
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}
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export function findFocusableIndex(focusables: readonly HTMLElement[], startIndex: number, delta: 1 | -1) {
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let length = focusables.length
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for (let i = 0, index = startIndex + delta;; index += delta, i++) {
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let normIndex = (index + length) % length
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if (focusables[normIndex].style.display != "none") return normIndex
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if (i == length) return null
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}
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}
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export function keyboardMoveFocus(
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control: {focusables: readonly HTMLElement[], focusIndex: number, setFocusIndex: (i: number) => void},
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event: KeyboardEvent,
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orientation: "vertical" | "horizontal"
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) {
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let {focusables, focusIndex} = control
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let move =
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event.key == (orientation == "vertical" ? "ArrowDown" : "ArrowRight") ? findFocusableIndex(focusables, focusIndex, 1) :
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event.key == (orientation == "vertical" ? "ArrowUp" : "ArrowLeft") ? findFocusableIndex(focusables, focusIndex, -1) :
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event.key == "Home" ? findFocusableIndex(focusables, -1, 1) :
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event.key == "End" ? findFocusableIndex(focusables, focusables.length, -1) : null
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if (move == null) return false
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event.preventDefault()
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event.stopPropagation()
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control.setFocusIndex(move)
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return true
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}
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function renderDropdownItems(items: readonly MenuElement[], view: EditorView) {
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let elts: HTMLElement[] = [], focusables: HTMLElement[] = [], updates: ((state: EditorState) => boolean)[] = []
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for (let i = 0; i < items.length; i++) {
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let item = items[i]
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let {dom, update, focusable} = item.render(view)
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elts.push(crel("li", {
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class: `${prefix}-dropdown-item`,
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role: "menuitem",
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"tabindex": "-1"
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}, dom))
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focusables.push(focusable || dom)
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updates.push(update)
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}
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function update(state: EditorState) {
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let something = false
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for (let i = 0; i < elts.length; i++) {
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let dom = elts[i], up = updates[i](state)
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if (up) something = true
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dom.style.display = up ? "" : "none"
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}
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return something
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}
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return {dom: crel("ul", {role: "menu"}, elts), update, focusables}
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}
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function combineUpdates(
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updates: readonly ((state: EditorState) => boolean)[],
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nodes: readonly HTMLElement[],
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) {
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return (state: EditorState) => {
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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 implements MenuElement {
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/// @internal
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content: readonly MenuElement[]
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/// @internal
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focusables: HTMLElement[] = []
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/// @internal
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focusIndex = 0
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private focusTimeout = -1
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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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constructor(
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content: readonly MenuElement[] | MenuElement,
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/// @internal
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readonly options: {
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/// The label to show on the submenu.
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label?: string
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} = {}
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) {
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this.content = Array.isArray(content) ? content : [content]
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}
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/// Renders the submenu.
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render(view: EditorView) {
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let items = renderDropdownItems(this.content, view)
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this.focusables = items.focusables
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let win = view.dom.ownerDocument.defaultView || window
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let btn = crel("button", {class: prefix + "-submenu-label"}, translate(view, this.options.label || ""))
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let wrap = crel("div", {class: prefix + "-submenu-wrap"}, btn,
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crel("div", {class: prefix + "-submenu"}, items.dom))
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let listeningOnClose: (() => void) | null = null
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let openSubmenu = (e: Event) => {
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e.preventDefault()
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e.stopPropagation()
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markMenuEvent(e)
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setClass(wrap, prefix + "-submenu-wrap-active", true)
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if (!listeningOnClose)
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win.addEventListener("click", listeningOnClose = () => {
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if (!isMenuEvent(wrap)) {
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wrap.classList.remove(prefix + "-submenu-wrap-active")
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win.removeEventListener("click", listeningOnClose!)
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listeningOnClose = null
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}
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})
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if (!(e.type == "click" && (e as MouseEvent).detail)) {
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let focusIndex = findFocusableIndex(this.focusables, -1, 1)
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if (focusIndex != null) this.setFocusIndex(focusIndex)
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}
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}
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btn.addEventListener("click", openSubmenu)
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btn.addEventListener("keydown", e => {
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if (e.key === "ArrowRight") openSubmenu(e)
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})
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// Clicking on an item should not remove focus from the editor
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btn.addEventListener("mousedown", e => e.preventDefault())
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items.dom.addEventListener("keydown", (event) => {
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markMenuEvent(event)
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if (keyboardMoveFocus(this, event, "vertical")) {
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} else if (event.key === "Escape" || event.key === "ArrowLeft") {
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event.preventDefault()
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event.stopPropagation()
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setClass(wrap, prefix + "-submenu-wrap-active", false)
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btn.focus()
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}
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})
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items.dom.addEventListener("focusout", () => {
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clearTimeout(this.focusTimeout)
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this.focusTimeout = setTimeout(() => {
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let active = win.document.activeElement
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if (active && !items.dom.contains(active))
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wrap.classList.remove(prefix + "-submenu-wrap-active")
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}, 20)
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})
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function update(state: EditorState) {
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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, focusable: btn}
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}
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setFocusIndex(index: number) {
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if (this.focusables.length <= 1) return
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this.focusables[this.focusIndex].setAttribute("tabindex", "-1")
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this.focusIndex = index
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let nextFocusItem = this.focusables[index]
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nextFocusItem.setAttribute("tabindex", "0")
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nextFocusItem.focus()
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}
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}
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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: EditorView, content: readonly (readonly MenuElement[])[]) {
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let result = document.createDocumentFragment()
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let updates: ((state: EditorState) => boolean)[] = [], focusables: HTMLElement[] = [], separators: HTMLElement[] = []
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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, focusable} = items[j].render(view)
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focusables.push(focusable || dom)
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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: EditorState) {
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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, focusables}
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}
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function separator() {
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|
return crel("span", {class: prefix + "separator", role: "separator"})
|
|
}
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|
|
|
/// 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)
|
|
}
|