@mantine/core/cjs/components/Tree/TreeNode.cjs

React components library focused on usability, accessibility and developer experience

"use client";
require("../../_virtual/_rolldown/runtime.cjs");
const require_find_element_ancestor = require("../../core/utils/find-element-ancestor/find-element-ancestor.cjs");
const require_Box = require("../../core/Box/Box.cjs");
let react = require("react");
let react_jsx_runtime = require("react/jsx-runtime");
//#region packages/@mantine/core/src/components/Tree/TreeNode.tsx
function getValuesRange(anchor, value, flatValues) {
	if (!anchor || !value) return [];
	const anchorIndex = flatValues.indexOf(anchor);
	const valueIndex = flatValues.indexOf(value);
	const start = Math.min(anchorIndex, valueIndex);
	const end = Math.max(anchorIndex, valueIndex);
	return flatValues.slice(start, end + 1);
}
function TreeNode({ node, getStyles, rootIndex, controller, expandOnClick, selectOnClick, isSubtree, level = 1, renderNode, flatValues, allowRangeSelection, expandOnSpace, checkOnSpace, keepMounted }) {
	const ref = (0, react.useRef)(null);
	const nested = (node.children || []).map((child) => /* @__PURE__ */ (0, react_jsx_runtime.jsx)(TreeNode, {
		node: child,
		flatValues,
		getStyles,
		rootIndex: void 0,
		level: level + 1,
		controller,
		expandOnClick,
		isSubtree: true,
		renderNode,
		selectOnClick,
		allowRangeSelection,
		expandOnSpace,
		checkOnSpace,
		keepMounted
	}, child.value));
	const handleKeyDown = (event) => {
		if (event.nativeEvent.code === "ArrowRight") {
			event.stopPropagation();
			event.preventDefault();
			if (controller.expandedState[node.value]) event.currentTarget.querySelector("[role=treeitem]")?.focus();
			else controller.expand(node.value);
		}
		if (event.nativeEvent.code === "ArrowLeft") {
			event.stopPropagation();
			event.preventDefault();
			if (controller.expandedState[node.value] && (node.children || []).length > 0) controller.collapse(node.value);
			else if (isSubtree) require_find_element_ancestor.findElementAncestor(event.currentTarget, "[role=treeitem]")?.focus();
		}
		if (event.nativeEvent.code === "ArrowDown" || event.nativeEvent.code === "ArrowUp") {
			const root = require_find_element_ancestor.findElementAncestor(event.currentTarget, "[data-tree-root]");
			if (!root) return;
			event.stopPropagation();
			event.preventDefault();
			const nodes = Array.from(root.querySelectorAll("[role=treeitem]")).filter((treeNode) => treeNode.style.display !== "none");
			const index = nodes.indexOf(event.currentTarget);
			if (index === -1) return;
			const nextIndex = event.nativeEvent.code === "ArrowDown" ? index + 1 : index - 1;
			nodes[nextIndex]?.focus();
			if (event.shiftKey) {
				const selectNode = nodes[nextIndex];
				if (selectNode) controller.setSelectedState(getValuesRange(controller.anchorNode, selectNode.dataset.value, flatValues));
			}
		}
		if (event.nativeEvent.code === "Space") {
			if (expandOnSpace) {
				event.stopPropagation();
				event.preventDefault();
				controller.toggleExpanded(node.value);
			}
			if (checkOnSpace) {
				event.stopPropagation();
				event.preventDefault();
				controller.isNodeChecked(node.value) ? controller.uncheckNode(node.value) : controller.checkNode(node.value);
			}
		}
	};
	const handleNodeClick = (event) => {
		event.stopPropagation();
		if (allowRangeSelection && event.shiftKey && controller.anchorNode) {
			controller.setSelectedState(getValuesRange(controller.anchorNode, node.value, flatValues));
			ref.current?.focus();
		} else {
			expandOnClick && controller.toggleExpanded(node.value);
			selectOnClick && controller.select(node.value);
			ref.current?.focus();
		}
	};
	const selected = controller.selectedState.includes(node.value);
	const elementProps = {
		...getStyles("label"),
		onClick: handleNodeClick,
		"data-selected": selected || void 0,
		"data-value": node.value
	};
	return /* @__PURE__ */ (0, react_jsx_runtime.jsxs)("li", {
		...getStyles("node", { style: { "--label-offset": `calc(var(--level-offset) * ${level - 1})` } }),
		role: "treeitem",
		"aria-selected": selected,
		"data-value": node.value,
		"data-selected": selected || void 0,
		"data-level": level,
		tabIndex: rootIndex === 0 ? 0 : -1,
		onKeyDown: handleKeyDown,
		ref,
		children: [typeof renderNode === "function" ? renderNode({
			node,
			level,
			selected,
			tree: controller,
			expanded: controller.expandedState[node.value] || false,
			hasChildren: Array.isArray(node.children) && node.children.length > 0,
			elementProps
		}) : /* @__PURE__ */ (0, react_jsx_runtime.jsx)("div", {
			...elementProps,
			children: node.label
		}), keepMounted && nested.length > 0 ? /* @__PURE__ */ (0, react_jsx_runtime.jsx)(react.Activity, {
			mode: controller.expandedState[node.value] ? "visible" : "hidden",
			children: /* @__PURE__ */ (0, react_jsx_runtime.jsx)(require_Box.Box, {
				component: "ul",
				role: "group",
				...getStyles("subtree"),
				"data-level": level,
				children: nested
			})
		}) : controller.expandedState[node.value] && nested.length > 0 && /* @__PURE__ */ (0, react_jsx_runtime.jsx)(require_Box.Box, {
			component: "ul",
			role: "group",
			...getStyles("subtree"),
			"data-level": level,
			children: nested
		})]
	});
}
TreeNode.displayName = "@mantine/core/TreeNode";
//#endregion
exports.TreeNode = TreeNode;

//# sourceMappingURL=TreeNode.cjs.map