SubgraphLayoutManager

Import it from @grafloria/engine.

Subgraph layout computation utilities

ts
Copy
class SubgraphLayoutManager

Methods

• static buildGroupTree(groups: GroupInfo[]): GroupTreeNode[] (static) — Build hierarchical tree of groups
• static getGroupsAtDepth(roots: GroupTreeNode[], depth: number): GroupInfo[] (static) — Get all groups at a specific depth level
• static getMaxDepth(roots: GroupTreeNode[]): number (static) — Get maximum depth of group tree
• static getNodesInGroup( groupId: string, group: GroupInfo, allNodes: Array<{ id: string; [key: string]: any }>, options: SubgraphLayoutOptions ): Array<{ id: string; [key: string]: any }> (static) — Filter nodes by group membership
• static getLinksInGroup( group: GroupInfo, allLinks: Array<{ sourceNodeId: string; targetNodeId: string; [key: string]: any }>, options: SubgraphLayoutOptions ): Array<{ sourceNodeId: string; targetNodeId: string; [key: string]: any }> (static) — Filter links within a group
• static calculateGroupSize( group: GroupInfo, nodePositions: Map<string, { x: number; y: number }>, nodeSizes: Map<string, { width: number; height: number }>, options: SubgraphLayoutOptions ): { width: number; height: number } (static) — Calculate group size based on its content
• static getGroupPadding( group: GroupInfo, options: SubgraphLayoutOptions ): { top: number; right: number; bottom: number; left: number } (static) — Get effective padding for a group
• static positionGroups( groups: GroupInfo[], groupSizes: Map<string, { width: number; height: number }>, options: SubgraphLayoutOptions ): Map<string, { x: number; y: number }> (static) — Position groups relative to each other
• static translateToGroupCoordinates( nodePositions: Map<string, { x: number; y: number }>, group: GroupInfo, groupPosition: { x: number; y: number }, options: SubgraphLayoutOptions ): Map<string, { x: number; y: number }> (static) — Translate node positions to group-local coordinates
• static async layoutGroup( group: GroupInfo, allNodes: Array<{ id: string; [key: string]: any }>, allLinks: Array<{ sourceNodeId: string; targetNodeId: string; [key: string]: any }>, nodeSizes: Map<string, { width: number; height: number }>, layoutAdapter: any, options: SubgraphLayoutOptions ): Promise<{ nodePositions: Map<string, { x: number; y: number }>; bounds: { x: number; y: number; width: number; height: number }; }> (static) — Apply layout to a single group
• static async computeSubgraphLayout( groups: GroupInfo[], allNodes: Array<{ id: string; [key: string]: any }>, allLinks: Array<{ sourceNodeId: string; targetNodeId: string; [key: string]: any }>, nodeSizes: Map<string, { width: number; height: number }>, layoutAdapter: any, options: SubgraphLayoutOptions ): Promise<SubgraphLayoutResult> (static) — Main subgraph layout computation