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Convert ContextMenu to TypeScript

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Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Michael Telatynski 2020-07-01 23:51:12 +01:00
parent 4b27a67e33
commit 58718dab37
3 changed files with 148 additions and 114 deletions
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1
src/@types/common.ts
View file

@ -17,3 +17,4 @@ limitations under the License.
// Based on https://stackoverflow.com/a/53229857/3532235
export type Without<T, U> = {[P in Exclude<keyof T, keyof U>] ? : never};
export type XOR<T, U> = (T | U) extends object ? (Without<T, U> & U) | (Without<U, T> & T) : T | U;
export type Writeable<T> = { -readonly [P in keyof T]: T[P] };

257
src/components/structures/ContextMenu.js → src/components/structures/ContextMenu.tsx
View file

@ -1,28 +1,28 @@
/*
Copyright 2015, 2016 OpenMarket Ltd
Copyright 2018 New Vector Ltd
Copyright 2019 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*
* Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* /
*/
import React, {useRef, useState} from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import React, {CSSProperties, useRef, useState} from "react";
import ReactDOM from "react-dom";
import classNames from "classnames";
import {Key} from "../../Keyboard";
import * as sdk from "../../index";
import AccessibleButton from "../views/elements/AccessibleButton";
import AccessibleButton, { IAccessibleButtonProps } from "../views/elements/AccessibleButton";
import {Writeable} from "../../@types/common";
// Shamelessly ripped off Modal.js. There's probably a better way
// of doing reusable widgets like dialog boxes & menus where we go and
@ -30,8 +30,8 @@ import AccessibleButton from "../views/elements/AccessibleButton";
const ContextualMenuContainerId = "mx_ContextualMenu_Container";
function getOrCreateContainer() {
let container = document.getElementById(ContextualMenuContainerId);
function getOrCreateContainer(): HTMLDivElement {
let container = document.getElementById(ContextualMenuContainerId) as HTMLDivElement;
if (!container) {
container = document.createElement("div");
@ -43,50 +43,70 @@ function getOrCreateContainer() {
}
const ARIA_MENU_ITEM_ROLES = new Set(["menuitem", "menuitemcheckbox", "menuitemradio"]);
interface IPosition {
top?: number;
bottom?: number;
left?: number;
right?: number;
}
export enum ChevronFace {
Top = "top",
Bottom = "bottom",
Left = "left",
Right = "right",
None = "none",
}
interface IProps extends IPosition {
menuWidth?: number;
menuHeight?: number;
chevronOffset?: number;
chevronFace?: ChevronFace;
menuPaddingTop?: number;
menuPaddingBottom?: number;
menuPaddingLeft?: number;
menuPaddingRight?: number;
zIndex?: number;
// If true, insert an invisible screen-sized element behind the menu that when clicked will close it.
hasBackground?: boolean;
// whether this context menu should be focus managed. If false it must handle itself
managed?: boolean;
// Function to be called on menu close
onFinished();
// on resize callback
windowResize();
}
interface IState {
contextMenuElem: HTMLDivElement;
}
// Generic ContextMenu Portal wrapper
// all options inside the menu should be of role=menuitem/menuitemcheckbox/menuitemradiobutton and have tabIndex={-1}
// this will allow the ContextMenu to manage its own focus using arrow keys as per the ARIA guidelines.
export class ContextMenu extends React.Component {
static propTypes = {
top: PropTypes.number,
bottom: PropTypes.number,
left: PropTypes.number,
right: PropTypes.number,
menuWidth: PropTypes.number,
menuHeight: PropTypes.number,
chevronOffset: PropTypes.number,
chevronFace: PropTypes.string, // top, bottom, left, right or none
// Function to be called on menu close
onFinished: PropTypes.func.isRequired,
menuPaddingTop: PropTypes.number,
menuPaddingRight: PropTypes.number,
menuPaddingBottom: PropTypes.number,
menuPaddingLeft: PropTypes.number,
zIndex: PropTypes.number,
// If true, insert an invisible screen-sized element behind the
// menu that when clicked will close it.
hasBackground: PropTypes.bool,
// on resize callback
windowResize: PropTypes.func,
managed: PropTypes.bool, // whether this context menu should be focus managed. If false it must handle itself
};
export class ContextMenu extends React.PureComponent<IProps, IState> {
private initialFocus: HTMLElement;
static defaultProps = {
hasBackground: true,
managed: true,
};
constructor() {
super();
constructor(props, context) {
super(props, context);
this.state = {
contextMenuElem: null,
};
// persist what had focus when we got initialized so we can return it after
this.initialFocus = document.activeElement;
this.initialFocus = document.activeElement as HTMLElement;
}
componentWillUnmount() {
@ -233,8 +253,7 @@ export class ContextMenu extends React.Component {
};
renderMenu(hasBackground = this.props.hasBackground) {
const position = {};
let chevronFace = null;
const position: Partial<Writeable<DOMRect>> = {};
const props = this.props;
if (props.top) {
@ -243,23 +262,24 @@ export class ContextMenu extends React.Component {
position.bottom = props.bottom;
}
let chevronFace: IProps["chevronFace"];
if (props.left) {
position.left = props.left;
chevronFace = 'left';
chevronFace = ChevronFace.Left;
} else {
position.right = props.right;
chevronFace = 'right';
chevronFace = ChevronFace.Right;
}
const contextMenuRect = this.state.contextMenuElem ? this.state.contextMenuElem.getBoundingClientRect() : null;
const chevronOffset = {};
const chevronOffset: CSSProperties = {};
if (props.chevronFace) {
chevronFace = props.chevronFace;
}
const hasChevron = chevronFace && chevronFace !== "none";
const hasChevron = chevronFace && chevronFace !== ChevronFace.None;
if (chevronFace === 'top' || chevronFace === 'bottom') {
if (chevronFace === ChevronFace.Top || chevronFace === ChevronFace.Bottom) {
chevronOffset.left = props.chevronOffset;
} else if (position.top !== undefined) {
const target = position.top;
@ -289,13 +309,13 @@ export class ContextMenu extends React.Component {
'mx_ContextualMenu_right': !hasChevron && position.right,
'mx_ContextualMenu_top': !hasChevron && position.top,
'mx_ContextualMenu_bottom': !hasChevron && position.bottom,
'mx_ContextualMenu_withChevron_left': chevronFace === 'left',
'mx_ContextualMenu_withChevron_right': chevronFace === 'right',
'mx_ContextualMenu_withChevron_top': chevronFace === 'top',
'mx_ContextualMenu_withChevron_bottom': chevronFace === 'bottom',
'mx_ContextualMenu_withChevron_left': chevronFace === ChevronFace.Left,
'mx_ContextualMenu_withChevron_right': chevronFace === ChevronFace.Right,
'mx_ContextualMenu_withChevron_top': chevronFace === ChevronFace.Top,
'mx_ContextualMenu_withChevron_bottom': chevronFace === ChevronFace.Bottom,
});
const menuStyle = {};
const menuStyle: CSSProperties = {};
if (props.menuWidth) {
menuStyle.width = props.menuWidth;
}
@ -326,13 +346,28 @@ export class ContextMenu extends React.Component {
let background;
if (hasBackground) {
background = (
<div className="mx_ContextualMenu_background" style={wrapperStyle} onClick={props.onFinished} onContextMenu={this.onContextMenu} />
<div
className="mx_ContextualMenu_background"
style={wrapperStyle}
onClick={props.onFinished}
onContextMenu={this.onContextMenu}
/>
);
}
return (
<div className="mx_ContextualMenu_wrapper" style={{...position, ...wrapperStyle}} onKeyDown={this._onKeyDown} onContextMenu={this.onContextMenuPreventBubbling}>
<div className={menuClasses} style={menuStyle} ref={this.collectContextMenuRect} role={this.props.managed ? "menu" : undefined}>
<div
className="mx_ContextualMenu_wrapper"
style={{...position, ...wrapperStyle}}
onKeyDown={this._onKeyDown}
onContextMenu={this.onContextMenuPreventBubbling}
>
<div
className={menuClasses}
style={menuStyle}
ref={this.collectContextMenuRect}
role={this.props.managed ? "menu" : undefined}
>
{ chevron }
{ props.children }
</div>
@ -341,14 +376,19 @@ export class ContextMenu extends React.Component {
);
}
render() {
render(): React.ReactChild {
return ReactDOM.createPortal(this.renderMenu(), getOrCreateContainer());
}
}
interface IContextMenuButtonProps extends IAccessibleButtonProps {
label?: string;
// whether or not the context menu is currently open
isExpanded: boolean;
}
// Semantic component for representing the AccessibleButton which launches a <ContextMenu />
export const ContextMenuButton = ({ label, isExpanded, children, onClick, onContextMenu, ...props }) => {
const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
export const ContextMenuButton: React.FC<IContextMenuButtonProps> = ({ label, isExpanded, children, onClick, onContextMenu, ...props }) => {
return (
<AccessibleButton
{...props}
@ -363,77 +403,70 @@ export const ContextMenuButton = ({ label, isExpanded, children, onClick, onCont
</AccessibleButton>
);
};
ContextMenuButton.propTypes = {
...AccessibleButton.propTypes,
label: PropTypes.string,
isExpanded: PropTypes.bool.isRequired, // whether or not the context menu is currently open
};
interface IMenuItemProps extends IAccessibleButtonProps {
label?: string;
className?: string;
onClick();
}
// Semantic component for representing a role=menuitem
export const MenuItem = ({children, label, ...props}) => {
const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
export const MenuItem: React.FC<IMenuItemProps> = ({children, label, ...props}) => {
return (
<AccessibleButton {...props} role="menuitem" tabIndex={-1} aria-label={label}>
{ children }
</AccessibleButton>
);
};
MenuItem.propTypes = {
...AccessibleButton.propTypes,
label: PropTypes.string, // optional
className: PropTypes.string, // optional
onClick: PropTypes.func.isRequired,
};
interface IMenuGroupProps extends React.HTMLAttributes<HTMLDivElement> {
label: string;
className?: string;
}
// Semantic component for representing a role=group for grouping menu radios/checkboxes
export const MenuGroup = ({children, label, ...props}) => {
export const MenuGroup: React.FC<IMenuGroupProps> = ({children, label, ...props}) => {
return <div {...props} role="group" aria-label={label}>
{ children }
</div>;
};
MenuGroup.propTypes = {
label: PropTypes.string.isRequired,
className: PropTypes.string, // optional
};
interface IMenuItemCheckboxProps extends IAccessibleButtonProps {
label?: string;
active: boolean;
disabled?: boolean;
className?: string;
onClick();
}
// Semantic component for representing a role=menuitemcheckbox
export const MenuItemCheckbox = ({children, label, active=false, disabled=false, ...props}) => {
const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
export const MenuItemCheckbox: React.FC<IMenuItemCheckboxProps> = ({children, label, active = false, disabled = false, ...props}) => {
return (
<AccessibleButton {...props} role="menuitemcheckbox" aria-checked={active} aria-disabled={disabled} tabIndex={-1} aria-label={label}>
{ children }
</AccessibleButton>
);
};
MenuItemCheckbox.propTypes = {
...AccessibleButton.propTypes,
label: PropTypes.string, // optional
active: PropTypes.bool.isRequired,
disabled: PropTypes.bool, // optional
className: PropTypes.string, // optional
onClick: PropTypes.func.isRequired,
};
interface IMenuItemRadioProps extends IAccessibleButtonProps {
label?: string;
active: boolean;
disabled?: boolean;
className?: string;
onClick();
}
// Semantic component for representing a role=menuitemradio
export const MenuItemRadio = ({children, label, active=false, disabled=false, ...props}) => {
const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
export const MenuItemRadio: React.FC<IMenuItemRadioProps> = ({children, label, active = false, disabled = false, ...props}) => {
return (
<AccessibleButton {...props} role="menuitemradio" aria-checked={active} aria-disabled={disabled} tabIndex={-1} aria-label={label}>
{ children }
</AccessibleButton>
);
};
MenuItemRadio.propTypes = {
...AccessibleButton.propTypes,
label: PropTypes.string, // optional
active: PropTypes.bool.isRequired,
disabled: PropTypes.bool, // optional
className: PropTypes.string, // optional
onClick: PropTypes.func.isRequired,
};
// Placement method for <ContextMenu /> to position context menu to right of elementRect with chevronOffset
export const toRightOf = (elementRect, chevronOffset=12) => {
export const toRightOf = (elementRect: DOMRect, chevronOffset = 12) => {
const left = elementRect.right + window.pageXOffset + 3;
let top = elementRect.top + (elementRect.height / 2) + window.pageYOffset;
top -= chevronOffset + 8; // where 8 is half the height of the chevron
@ -441,8 +474,8 @@ export const toRightOf = (elementRect, chevronOffset=12) => {
};
// Placement method for <ContextMenu /> to position context menu right-aligned and flowing to the left of elementRect
export const aboveLeftOf = (elementRect, chevronFace="none") => {
const menuOptions = { chevronFace };
export const aboveLeftOf = (elementRect: DOMRect, chevronFace = ChevronFace.None) => {
const menuOptions: IPosition & { chevronFace: ChevronFace } = { chevronFace };
const buttonRight = elementRect.right + window.pageXOffset;
const buttonBottom = elementRect.bottom + window.pageYOffset;

2
src/components/views/elements/AccessibleButton.tsx
View file

@ -42,7 +42,7 @@ interface IProps extends React.InputHTMLAttributes<Element> {
onClick?(e?: ButtonEvent): void;
}
interface IAccessibleButtonProps extends React.InputHTMLAttributes<Element> {
export interface IAccessibleButtonProps extends React.InputHTMLAttributes<Element> {
ref?: React.Ref<Element>;
}