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more UI tweaks and additional controls for active callbacks page
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233 changes: 233 additions & 0 deletions
233
MythicReactUI/src/components/MythicComponents/MythicNestedMenus.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,233 @@ | ||
| import * as React from "react"; | ||
| import styled from "@emotion/styled"; | ||
| import Menu from "@mui/material/Menu"; | ||
| import MenuItem from "@mui/material/MenuItem"; | ||
| import ArrowRight from "@mui/icons-material/ArrowRight"; | ||
| // from https://medium.com/geekculture/creating-a-dropdown-with-nested-menu-items-using-react-mui-bb0c084226da | ||
| export const Dropdown = React.forwardRef( | ||
| ( | ||
| { | ||
| menu, | ||
| isOpen: controlledIsOpen, | ||
| onOpen: onControlledOpen, | ||
| externallyOpen, | ||
| minWidth | ||
| }, | ||
| ref | ||
| ) => { | ||
| const [isInternalOpen, setInternalOpen] = React.useState(null); | ||
|
|
||
| const isOpen = controlledIsOpen || isInternalOpen; | ||
|
|
||
| let anchorRef = React.useRef(null); | ||
| if (ref) { | ||
| anchorRef = ref; | ||
| } | ||
|
|
||
| const handleClose = (event) => { | ||
| event.stopPropagation(); | ||
|
|
||
| if (anchorRef.current && anchorRef.current.contains(event.target)) { | ||
| return; | ||
| } | ||
|
|
||
| handleForceClose(); | ||
| }; | ||
|
|
||
| const handleForceClose = () => { | ||
| onControlledOpen ? onControlledOpen(null) : setInternalOpen(null); | ||
| }; | ||
|
|
||
| const renderMenu = (menuItem, index) => { | ||
| const { ...props } = menuItem.props; | ||
|
|
||
| let extraProps = {}; | ||
| if (props.menu) { | ||
| extraProps = { | ||
| parentMenuOpen: isOpen | ||
| }; | ||
| } | ||
|
|
||
| return React.createElement(menuItem.type, { | ||
| ...props, | ||
| key: index, | ||
| ...extraProps, | ||
| onClick: (event) => { | ||
| event.stopPropagation(); | ||
| if (menuItem.props.onClick) { | ||
| menuItem.props.onClick(event); | ||
| } | ||
| }, | ||
| children: props.menu | ||
| ? React.Children.map(props.menu, renderMenu) | ||
| : props.children | ||
| }); | ||
| }; | ||
|
|
||
| return ( | ||
| <> | ||
|
|
||
| <Menu | ||
| PaperProps={{ sx: { minWidth: minWidth ?? 0 } }} | ||
| anchorEl={isOpen} | ||
| open={externallyOpen} | ||
| onClose={handleClose} | ||
| > | ||
| {React.Children.map(menu, renderMenu)} | ||
| </Menu> | ||
| </> | ||
| ); | ||
| } | ||
| ); | ||
|
|
||
| const NestedMenuItem = React.forwardRef((props, ref) => { | ||
| const { | ||
| parentMenuOpen, | ||
| label, | ||
| rightIcon = <ArrowRight style={{ fontSize: 16 }} />, | ||
| children, | ||
| customTheme, | ||
| className, | ||
| tabIndex: tabIndexProp, | ||
| ContainerProps: ContainerPropsProp = {}, | ||
| rightAnchored, | ||
| ...MenuItemProps | ||
| } = props; | ||
|
|
||
| const { ref: containerRefProp, ...ContainerProps } = ContainerPropsProp; | ||
|
|
||
| const menuItemRef = React.useRef(null); | ||
| React.useImperativeHandle(ref, () => menuItemRef.current); | ||
|
|
||
| const containerRef = React.useRef(null); | ||
| React.useImperativeHandle(containerRefProp, () => containerRef.current); | ||
|
|
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| const menuContainerRef = React.useRef(null); | ||
|
|
||
| const [isSubMenuOpen, setIsSubMenuOpen] = React.useState(false); | ||
|
|
||
| const handleMouseEnter = (event) => { | ||
| setIsSubMenuOpen(true); | ||
|
|
||
| if (ContainerProps?.onMouseEnter) { | ||
| ContainerProps.onMouseEnter(event); | ||
| } | ||
| }; | ||
|
|
||
| const handleMouseLeave = (event) => { | ||
| setIsSubMenuOpen(false); | ||
|
|
||
| if (ContainerProps?.onMouseLeave) { | ||
| ContainerProps.onMouseLeave(event); | ||
| } | ||
| }; | ||
|
|
||
| const isSubmenuFocused = () => { | ||
| const active = containerRef.current?.ownerDocument?.activeElement; | ||
|
|
||
| for (const child of menuContainerRef.current?.children ?? []) { | ||
| if (child === active) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| }; | ||
|
|
||
| const handleFocus = (event) => { | ||
| if (event.target === containerRef.current) { | ||
| setIsSubMenuOpen(true); | ||
| } | ||
|
|
||
| if (ContainerProps?.onFocus) { | ||
| ContainerProps.onFocus(event); | ||
| } | ||
| }; | ||
|
|
||
| const handleKeyDown = (event) => { | ||
| if (event.key === "Escape") { | ||
| return; | ||
| } | ||
|
|
||
| if (isSubmenuFocused()) { | ||
| event.stopPropagation(); | ||
| } | ||
|
|
||
| const active = containerRef.current?.ownerDocument?.activeElement; | ||
|
|
||
| if (event.key === "ArrowLeft" && isSubmenuFocused()) { | ||
| containerRef.current?.focus(); | ||
| } | ||
|
|
||
| if ( | ||
| event.key === "ArrowRight" && | ||
| event.target === containerRef.current && | ||
| event.target === active | ||
| ) { | ||
| const firstChild = menuContainerRef.current?.children[0]; | ||
| firstChild?.focus(); | ||
| } | ||
| }; | ||
|
|
||
| const open = isSubMenuOpen && parentMenuOpen; | ||
|
|
||
| let tabIndex; | ||
| if (!props.disabled) { | ||
| tabIndex = tabIndexProp !== undefined ? tabIndexProp : -1; | ||
| } | ||
|
|
||
| return ( | ||
| <div | ||
| {...ContainerProps} | ||
| ref={containerRef} | ||
| onFocus={handleFocus} | ||
| tabIndex={tabIndex} | ||
| onMouseEnter={handleMouseEnter} | ||
| onMouseLeave={handleMouseLeave} | ||
| onKeyDown={handleKeyDown} | ||
| > | ||
| <MenuItem | ||
| {...MenuItemProps} | ||
| data-open={!!open || undefined} | ||
| className={className} | ||
| ref={menuItemRef} | ||
| > | ||
| {label} | ||
| <div style={{ flexGrow: 1 }} /> | ||
| {rightIcon} | ||
| </MenuItem> | ||
| <Menu | ||
| hideBackdrop | ||
| style={{ pointerEvents: "none" }} | ||
| anchorEl={menuItemRef.current} | ||
| anchorOrigin={{ | ||
| vertical: "top", | ||
| horizontal: rightAnchored ? "left" : "right" | ||
| }} | ||
| transformOrigin={{ | ||
| vertical: "top", | ||
| horizontal: rightAnchored ? "right" : "left" | ||
| }} | ||
| css={customTheme} | ||
| open={!!open} | ||
| autoFocus={false} | ||
| disableAutoFocus | ||
| disableEnforceFocus | ||
| onClose={() => { | ||
| setIsSubMenuOpen(false); | ||
| }} | ||
| > | ||
| <div ref={menuContainerRef} style={{ pointerEvents: "auto" }}> | ||
| {children} | ||
| </div> | ||
| </Menu> | ||
| </div> | ||
| ); | ||
| }); | ||
|
|
||
| export const DropdownMenuItem = styled(MenuItem)` | ||
| `; | ||
|
|
||
| export const DropdownNestedMenuItem = styled(NestedMenuItem)` | ||
| `; |
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