UPDATE: VERSION-20260315

modeler/src/views/decision/graph/utils.ts

@@ -0,0 +1,112 @@
+/*
+ * This file is part of the kernelstudio package.
+ *
+ * (c) 2014-2026 zlin <admin@kernelstudio.com>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+import type { GraphContainer, GraphEdgeElement, GraphTaskElement } from '../graph';
+import { Edge, Graph, Node } from '@antv/x6';
+
+export const defaultHeight: Record<string, number> = {
+  component: 110,
+};
+
+export const createGraphTaskElement = (element: GraphTaskElement, width: number = 250, height: number = 120, shape: string = 'task'): any => {
+  let realHeight = defaultHeight[element.category as string];
+  if (!realHeight) {
+    realHeight = 120;
+  }
+  if(element.group === 'condition' || element.group === 'control') {
+    realHeight = 60;
+  }
+  return {
+    shape: shape ?? 'task',
+    id: element.key,
+    position: {
+      x: element.position?.x || 0,
+      y: element.position?.y || 0,
+    },
+    size: {
+      width: width,
+      height: realHeight,
+    },
+    attrs: {
+      label: {
+        text: element.name,
+      },
+    },
+    data: element,
+  };
+};
+
+export const resolveGraphTaskElements = (graph: Graph): GraphTaskElement[] => {
+  const taskElements: GraphTaskElement[] = [];
+  if (graph) {
+    const nodes = graph?.getNodes() as Node[];
+    if (nodes) {
+      nodes.forEach(node => {
+        const nodeData = node.getData() as GraphTaskElement;
+        const newElement = {
+          ...nodeData,
+          key: node.id,
+          position: node.getPosition(),
+          width: node.getSize().width,
+          height: node.getSize().height,
+        };
+        taskElements.push(newElement);
+      });
+    }
+  }
+  return taskElements;
+};
+
+export const resolveGraphEdgeElements = (graph: Graph): GraphEdgeElement[] => {
+  const edgeElements: GraphEdgeElement[] = [];
+  if (graph) {
+    const graphEdges = graph?.getEdges() ?? [] as Edge[];
+    if (graphEdges) {
+      graphEdges.forEach(edge => {
+        const nodeData = edge.getData() as GraphTaskElement;
+        edgeElements.push({
+          id: nodeData?.id ?? 0,
+          key: edge.id,
+          type: 'edge',
+          status: nodeData?.status,
+          source: edge.getSource() ? edge.getSource() as unknown as string : null,
+          target: edge.getSource() ? edge.getTarget() as unknown as string : null,
+          attrs: edge.getAttrs() ?? {},
+          router: edge.getRouter() ?? {},
+          connector: edge.getConnector() ?? null,
+        });
+      });
+    }
+  }
+  return edgeElements;
+};
+
+export const resolveGraph = (graph: Graph): GraphContainer => {
+  const nodes: GraphTaskElement[] = resolveGraphTaskElements(graph);
+  const edges: GraphEdgeElement[] = resolveGraphEdgeElements(graph);
+  return {
+    nodes,
+    edges,
+  };
+};
+
+export const hasElements = (graph: Graph): boolean => {
+  if (graph) {
+    const taskElements: GraphTaskElement[] = resolveGraphTaskElements(graph);
+    return taskElements.length > 0;
+  }
+  return false;
+};
+
+export const hasRootElementNode = (graph: Graph): boolean => {
+  if (graph) {
+    const taskElements: GraphTaskElement[] = resolveGraphTaskElements(graph);
+    return taskElements.filter(e => e.type === 'root').length === 1;
+  }
+  return false;
+};