68 lines
1.8 KiB
TypeScript
68 lines
1.8 KiB
TypeScript
import { SlabNode } from "@pascal-app/core";
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import { useViewer } from "@pascal-app/viewer";
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import { RectangleHorizontal } from "lucide-react";
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import { TreeNodeWrapper } from "./tree-node";
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import { TreeNodeActions } from "./tree-node-actions";
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interface SlabTreeNodeProps {
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node: SlabNode;
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depth: number;
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}
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export function SlabTreeNode({ node, depth }: SlabTreeNodeProps) {
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const isSelected = useViewer((state) => state.selection.selectedIds.includes(node.id));
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const isHovered = useViewer((state) => state.hoveredId === node.id);
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const setSelection = useViewer((state) => state.setSelection);
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const setHoveredId = useViewer((state) => state.setHoveredId);
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const handleClick = () => {
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setSelection({ selectedIds: [node.id] });
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};
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const handleMouseEnter = () => {
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setHoveredId(node.id);
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};
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const handleMouseLeave = () => {
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setHoveredId(null);
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};
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// Calculate approximate area from polygon
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const area = calculatePolygonArea(node.polygon).toFixed(1);
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return (
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<TreeNodeWrapper
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icon={<RectangleHorizontal className="w-3.5 h-3.5" />}
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label={node.name || `Slab (${area}m²)`}
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depth={depth}
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hasChildren={false}
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expanded={false}
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onToggle={() => {}}
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onClick={handleClick}
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onMouseEnter={handleMouseEnter}
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onMouseLeave={handleMouseLeave}
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isSelected={isSelected}
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isHovered={isHovered}
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actions={<TreeNodeActions node={node} />}
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/>
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);
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}
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/**
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* Calculate the area of a polygon using the shoelace formula
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*/
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function calculatePolygonArea(polygon: Array<[number, number]>): number {
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if (polygon.length < 3) return 0;
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let area = 0;
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const n = polygon.length;
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for (let i = 0; i < n; i++) {
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const j = (i + 1) % n;
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area += polygon[i]![0] * polygon[j]![1];
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area -= polygon[j]![0] * polygon[i]![1];
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}
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return Math.abs(area) / 2;
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}
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