|
| 1 | +/** |
| 2 | + * Shared utility functions for lineage scoping. |
| 3 | + * Used by both lineage-tab.jsx (standalone) and no-code-model.jsx (bottom section). |
| 4 | + */ |
| 5 | + |
| 6 | +/** |
| 7 | + * Find all ancestor and descendant node IDs for a given model. |
| 8 | + * @param {Array} allEdges - Array of { source, target } edge objects |
| 9 | + * @param {string} selectedLabel - The label of the selected model |
| 10 | + * @param {Array} allNodes - Array of node objects with data.originalLabel or data.label |
| 11 | + * @return {Set|null} Set of related node IDs, or null if selected model not found |
| 12 | + */ |
| 13 | +export const getRelatedNodeIds = (allEdges, selectedLabel, allNodes) => { |
| 14 | + const nodeByLabel = {}; |
| 15 | + allNodes.forEach((n) => { |
| 16 | + nodeByLabel[n.data.originalLabel || n.data.label] = n.id; |
| 17 | + }); |
| 18 | + const selectedId = nodeByLabel[selectedLabel]; |
| 19 | + if (!selectedId) return null; |
| 20 | + |
| 21 | + const related = new Set([selectedId]); |
| 22 | + const findAncestors = (id) => { |
| 23 | + allEdges.forEach((e) => { |
| 24 | + if (e.target === id && !related.has(e.source)) { |
| 25 | + related.add(e.source); |
| 26 | + findAncestors(e.source); |
| 27 | + } |
| 28 | + }); |
| 29 | + }; |
| 30 | + const findDescendants = (id) => { |
| 31 | + allEdges.forEach((e) => { |
| 32 | + if (e.source === id && !related.has(e.target)) { |
| 33 | + related.add(e.target); |
| 34 | + findDescendants(e.target); |
| 35 | + } |
| 36 | + }); |
| 37 | + }; |
| 38 | + findAncestors(selectedId); |
| 39 | + findDescendants(selectedId); |
| 40 | + return related; |
| 41 | +}; |
| 42 | + |
| 43 | +/** |
| 44 | + * Apply scoped styles to nodes and edges based on the selected model's lineage chain. |
| 45 | + * Related nodes stay full opacity, unrelated nodes are faded. |
| 46 | + * @param {Array} layoutedNodes - Array of positioned node objects |
| 47 | + * @param {Array} layoutedEdges - Array of edge objects |
| 48 | + * @param {string} selectedLabel - The label of the selected model |
| 49 | + * @return {Object} { nodes, edges } with scoped styles applied |
| 50 | + */ |
| 51 | +export const applyScopedStyles = ( |
| 52 | + layoutedNodes, |
| 53 | + layoutedEdges, |
| 54 | + selectedLabel |
| 55 | +) => { |
| 56 | + const rawEdges = layoutedEdges.map((e) => ({ |
| 57 | + source: e.source, |
| 58 | + target: e.target, |
| 59 | + })); |
| 60 | + const related = getRelatedNodeIds(rawEdges, selectedLabel, layoutedNodes); |
| 61 | + if (!related) return { nodes: layoutedNodes, edges: layoutedEdges }; |
| 62 | + |
| 63 | + const styledNodes = layoutedNodes.map((node) => { |
| 64 | + const nodeLabel = node.data.originalLabel || node.data.label; |
| 65 | + const isSelected = nodeLabel === selectedLabel; |
| 66 | + const isRelated = related.has(node.id); |
| 67 | + return { |
| 68 | + ...node, |
| 69 | + style: { |
| 70 | + ...node.style, |
| 71 | + opacity: isRelated ? 1 : 0.25, |
| 72 | + border: isSelected |
| 73 | + ? "2px dashed var(--lineage-selected-border)" |
| 74 | + : node.style?.border || "1px solid var(--black)", |
| 75 | + }, |
| 76 | + }; |
| 77 | + }); |
| 78 | + |
| 79 | + const relatedEdgeSet = new Set(); |
| 80 | + layoutedEdges.forEach((e) => { |
| 81 | + if (related.has(e.source) && related.has(e.target)) { |
| 82 | + relatedEdgeSet.add(e.id); |
| 83 | + } |
| 84 | + }); |
| 85 | + |
| 86 | + const styledEdges = layoutedEdges.map((edge) => ({ |
| 87 | + ...edge, |
| 88 | + style: { |
| 89 | + ...edge.style, |
| 90 | + opacity: relatedEdgeSet.has(edge.id) ? 1 : 0.15, |
| 91 | + stroke: relatedEdgeSet.has(edge.id) |
| 92 | + ? "var(--lineage-selected-border)" |
| 93 | + : undefined, |
| 94 | + }, |
| 95 | + })); |
| 96 | + |
| 97 | + return { nodes: styledNodes, edges: styledEdges }; |
| 98 | +}; |
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