You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

54 lines
1.6 KiB
JavaScript

"use strict";
const React = require("react");
const defaultStyle = require("./style.css");
const useTheme = require("../../util/themeable");
const isEventInsideRef = require("../../util/is-event-inside-ref");
const MenuItemContext = require("../../contexts/menu-item");
module.exports = function MenuBar({ style, children }) {
let { withTheme } = useTheme({ control: "menu", defaultStyle });
let [ isActive, setIsActive ] = React.useState(false);
let [ selectedItem, setSelectedItem ] = React.useState([]);
let element = React.useRef();
React.useEffect(() => {
function handleGlobalClick(event) {
if (!isEventInsideRef(element, event)) {
setIsActive(false);
}
}
document.addEventListener("click", handleGlobalClick);
return () => {
document.removeEventListener("click", handleGlobalClick);
};
}, []);
let itemContext = {
menuType: "menuBar",
selectedPath: selectedItem,
isActive: isActive,
onMouseEnter: (path) => {
setSelectedItem(path);
},
onClick: (_path, hasMenu, isInMenu) => {
// Only activate the menu bar if this *isn't* a direct-action button directly on the menubar
if (hasMenu || isInMenu) {
// NOTE: This is a toggle that sets isActive for the *whole* menu bar rather than an individual item, because pressing *any* button in the menu will trigger menu-display mode; after that, merely hovering over other buttons is enough to switch what menu is displayed.
setIsActive((isActive) => !isActive);
}
}
};
return (
<MenuItemContext.Provider value={itemContext}>
<div className={withTheme("menuBar")} style={style} ref={element}>
{children}
</div>
</MenuItemContext.Provider>
);
};