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54 lines
1.6 KiB
React
54 lines
1.6 KiB
React
4 years ago
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"use strict";
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const React = require("react");
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const defaultStyle = require("./style.css");
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const useTheme = require("../../util/themeable");
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const isEventInsideRef = require("../../util/is-event-inside-ref");
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const MenuItemContext = require("../../contexts/menu-item");
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module.exports = function MenuBar({ style, children }) {
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let { withTheme } = useTheme({ control: "menu", defaultStyle });
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let [ isActive, setIsActive ] = React.useState(false);
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let [ selectedItem, setSelectedItem ] = React.useState([]);
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let element = React.useRef();
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React.useEffect(() => {
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function handleGlobalClick(event) {
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if (!isEventInsideRef(element, event)) {
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setIsActive(false);
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}
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}
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document.addEventListener("click", handleGlobalClick);
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return () => {
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document.removeEventListener("click", handleGlobalClick);
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};
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}, []);
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let itemContext = {
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menuType: "menuBar",
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selectedPath: selectedItem,
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isActive: isActive,
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onMouseEnter: (path) => {
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setSelectedItem(path);
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},
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onClick: (_path, hasMenu, isInMenu) => {
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// Only activate the menu bar if this *isn't* a direct-action button directly on the menubar
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if (hasMenu || isInMenu) {
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// 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.
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setIsActive((isActive) => !isActive);
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}
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}
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};
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return (
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<MenuItemContext.Provider value={itemContext}>
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<div className={withTheme("menuBar")} style={style} ref={element}>
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{children}
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</div>
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</MenuItemContext.Provider>
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);
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};
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