905 lines
27 KiB
JavaScript
905 lines
27 KiB
JavaScript
import { select, line, curveLinear } from 'd3';
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import { insertNode } from '../../mermaid/src/dagre-wrapper/nodes.js';
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import insertMarkers from '../../mermaid/src/dagre-wrapper/markers.js';
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import { insertEdgeLabel } from '../../mermaid/src/dagre-wrapper/edges.js';
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import { findCommonAncestor } from './render-utils.js';
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import { labelHelper } from '../../mermaid/src/dagre-wrapper/shapes/util.js';
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import { getConfig } from '../../mermaid/src/config.js';
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import { log } from '../../mermaid/src/logger.js';
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import { setupGraphViewbox } from '../../mermaid/src/setupGraphViewbox.js';
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import common from '../../mermaid/src/diagrams/common/common.js';
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import { interpolateToCurve, getStylesFromArray } from '../../mermaid/src/utils.js';
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import ELK from 'elkjs/lib/elk.bundled.js';
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import { getLineFunctionsWithOffset } from '../../mermaid/src/utils/lineWithOffset.js';
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import { addEdgeMarkers } from '../../mermaid/src/dagre-wrapper/edgeMarker.js';
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const elk = new ELK();
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let portPos = {};
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const conf = {};
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export const setConf = function (cnf) {
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const keys = Object.keys(cnf);
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for (const key of keys) {
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conf[key] = cnf[key];
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}
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};
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let nodeDb = {};
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// /**
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// * Function that adds the vertices found during parsing to the graph to be rendered.
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// *
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// * @param vert Object containing the vertices.
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// * @param g The graph that is to be drawn.
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// * @param svgId
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// * @param root
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// * @param doc
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// * @param diagObj
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// */
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export const addVertices = async function (vert, svgId, root, doc, diagObj, parentLookupDb, graph) {
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const svg = root.select(`[id="${svgId}"]`);
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const nodes = svg.insert('g').attr('class', 'nodes');
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const keys = Object.keys(vert);
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// Iterate through each item in the vertex object (containing all the vertices found) in the graph definition
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await Promise.all(
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keys.map(async function (id) {
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const vertex = vert[id];
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/**
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* Variable for storing the classes for the vertex
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*
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* @type {string}
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*/
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let classStr = 'default';
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if (vertex.classes.length > 0) {
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classStr = vertex.classes.join(' ');
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}
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classStr = classStr + ' flowchart-label';
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const styles = getStylesFromArray(vertex.styles);
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// Use vertex id as text in the box if no text is provided by the graph definition
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let vertexText = vertex.text !== undefined ? vertex.text : vertex.id;
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// We create a SVG label, either by delegating to addHtmlLabel or manually
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let vertexNode;
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const labelData = { width: 0, height: 0 };
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const ports = [
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{
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id: vertex.id + '-west',
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layoutOptions: {
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'port.side': 'WEST',
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},
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},
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{
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id: vertex.id + '-east',
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layoutOptions: {
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'port.side': 'EAST',
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},
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},
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{
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id: vertex.id + '-south',
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layoutOptions: {
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'port.side': 'SOUTH',
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},
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},
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{
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id: vertex.id + '-north',
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layoutOptions: {
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'port.side': 'NORTH',
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},
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},
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];
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let radious = 0;
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let _shape = '';
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let layoutOptions = {};
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// Set the shape based parameters
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switch (vertex.type) {
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case 'round':
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radious = 5;
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_shape = 'rect';
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break;
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case 'square':
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_shape = 'rect';
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break;
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case 'diamond':
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_shape = 'question';
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layoutOptions = {
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portConstraints: 'FIXED_SIDE',
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};
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break;
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case 'hexagon':
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_shape = 'hexagon';
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break;
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case 'odd':
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_shape = 'rect_left_inv_arrow';
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break;
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case 'lean_right':
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_shape = 'lean_right';
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break;
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case 'lean_left':
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_shape = 'lean_left';
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break;
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case 'trapezoid':
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_shape = 'trapezoid';
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break;
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case 'inv_trapezoid':
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_shape = 'inv_trapezoid';
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break;
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case 'odd_right':
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_shape = 'rect_left_inv_arrow';
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break;
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case 'circle':
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_shape = 'circle';
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break;
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case 'ellipse':
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_shape = 'ellipse';
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break;
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case 'stadium':
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_shape = 'stadium';
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break;
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case 'subroutine':
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_shape = 'subroutine';
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break;
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case 'cylinder':
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_shape = 'cylinder';
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break;
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case 'group':
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_shape = 'rect';
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break;
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case 'doublecircle':
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_shape = 'doublecircle';
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break;
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default:
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_shape = 'rect';
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}
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// Add the node
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const node = {
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labelStyle: styles.labelStyle,
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shape: _shape,
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labelText: vertexText,
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labelType: vertex.labelType,
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rx: radious,
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ry: radious,
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class: classStr,
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style: styles.style,
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id: vertex.id,
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link: vertex.link,
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linkTarget: vertex.linkTarget,
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tooltip: diagObj.db.getTooltip(vertex.id) || '',
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domId: diagObj.db.lookUpDomId(vertex.id),
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haveCallback: vertex.haveCallback,
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width: vertex.type === 'group' ? 500 : undefined,
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dir: vertex.dir,
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type: vertex.type,
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props: vertex.props,
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padding: getConfig().flowchart.padding,
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};
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let boundingBox;
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let nodeEl;
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// Add the element to the DOM
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if (node.type !== 'group') {
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nodeEl = await insertNode(nodes, node, vertex.dir);
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boundingBox = nodeEl.node().getBBox();
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} else {
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const svgLabel = doc.createElementNS('http://www.w3.org/2000/svg', 'text');
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// svgLabel.setAttribute('style', styles.labelStyle.replace('color:', 'fill:'));
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// const rows = vertexText.split(common.lineBreakRegex);
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// for (const row of rows) {
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// const tspan = doc.createElementNS('http://www.w3.org/2000/svg', 'tspan');
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// tspan.setAttributeNS('http://www.w3.org/XML/1998/namespace', 'xml:space', 'preserve');
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// tspan.setAttribute('dy', '1em');
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// tspan.setAttribute('x', '1');
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// tspan.textContent = row;
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// svgLabel.appendChild(tspan);
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// }
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// vertexNode = svgLabel;
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// const bbox = vertexNode.getBBox();
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const { shapeSvg, bbox } = await labelHelper(nodes, node, undefined, true);
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labelData.width = bbox.width;
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labelData.wrappingWidth = getConfig().flowchart.wrappingWidth;
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labelData.height = bbox.height;
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labelData.labelNode = shapeSvg.node();
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node.labelData = labelData;
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}
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// const { shapeSvg, bbox } = await labelHelper(svg, node, undefined, true);
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const data = {
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id: vertex.id,
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ports: vertex.type === 'diamond' ? ports : [],
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// labelStyle: styles.labelStyle,
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// shape: _shape,
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layoutOptions,
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labelText: vertexText,
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labelData,
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// labels: [{ text: vertexText }],
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// rx: radius,
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// ry: radius,
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// class: classStr,
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// style: styles.style,
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// link: vertex.link,
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// linkTarget: vertex.linkTarget,
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// tooltip: diagObj.db.getTooltip(vertex.id) || '',
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domId: diagObj.db.lookUpDomId(vertex.id),
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// haveCallback: vertex.haveCallback,
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width: boundingBox?.width,
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height: boundingBox?.height,
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// dir: vertex.dir,
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type: vertex.type,
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// props: vertex.props,
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// padding: getConfig().flowchart.padding,
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// boundingBox,
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el: nodeEl,
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parent: parentLookupDb.parentById[vertex.id],
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};
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// if (!Object.keys(parentLookupDb.childrenById).includes(vertex.id)) {
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// graph.children.push({
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// ...data,
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// });
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// }
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nodeDb[node.id] = data;
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// log.trace('setNode', {
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// labelStyle: styles.labelStyle,
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// shape: _shape,
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// labelText: vertexText,
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// rx: radius,
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// ry: radius,
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// class: classStr,
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// style: styles.style,
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// id: vertex.id,
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// domId: diagObj.db.lookUpDomId(vertex.id),
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// width: vertex.type === 'group' ? 500 : undefined,
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// type: vertex.type,
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// dir: vertex.dir,
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// props: vertex.props,
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// padding: getConfig().flowchart.padding,
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// parent: parentLookupDb.parentById[vertex.id],
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// });
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})
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);
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return graph;
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};
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const getNextPosition = (position, edgeDirection, graphDirection) => {
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const portPos = {
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TB: {
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in: {
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north: 'north',
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},
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out: {
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south: 'west',
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west: 'east',
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east: 'south',
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},
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},
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LR: {
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in: {
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west: 'west',
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},
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out: {
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east: 'south',
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south: 'north',
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north: 'east',
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},
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},
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RL: {
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in: {
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east: 'east',
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},
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out: {
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west: 'north',
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north: 'south',
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south: 'west',
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},
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},
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BT: {
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in: {
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south: 'south',
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},
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out: {
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north: 'east',
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east: 'west',
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west: 'north',
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},
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},
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};
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portPos.TD = portPos.TB;
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return portPos[graphDirection][edgeDirection][position];
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// return 'south';
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};
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const getNextPort = (node, edgeDirection, graphDirection) => {
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log.info('getNextPort', { node, edgeDirection, graphDirection });
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if (!portPos[node]) {
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switch (graphDirection) {
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case 'TB':
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case 'TD':
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portPos[node] = {
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inPosition: 'north',
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outPosition: 'south',
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};
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break;
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case 'BT':
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portPos[node] = {
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inPosition: 'south',
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outPosition: 'north',
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};
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break;
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case 'RL':
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portPos[node] = {
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inPosition: 'east',
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outPosition: 'west',
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};
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break;
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case 'LR':
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portPos[node] = {
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inPosition: 'west',
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outPosition: 'east',
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};
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break;
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}
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}
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const result = edgeDirection === 'in' ? portPos[node].inPosition : portPos[node].outPosition;
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if (edgeDirection === 'in') {
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portPos[node].inPosition = getNextPosition(
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portPos[node].inPosition,
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edgeDirection,
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graphDirection
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);
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} else {
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portPos[node].outPosition = getNextPosition(
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portPos[node].outPosition,
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edgeDirection,
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graphDirection
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);
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}
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return result;
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};
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const getEdgeStartEndPoint = (edge, dir) => {
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let source = edge.start;
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let target = edge.end;
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// Save the original source and target
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const sourceId = source;
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const targetId = target;
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const startNode = nodeDb[source];
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const endNode = nodeDb[target];
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if (!startNode || !endNode) {
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return { source, target };
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}
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if (startNode.type === 'diamond') {
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source = `${source}-${getNextPort(source, 'out', dir)}`;
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}
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if (endNode.type === 'diamond') {
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target = `${target}-${getNextPort(target, 'in', dir)}`;
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}
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// Add the edge to the graph
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return { source, target, sourceId, targetId };
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};
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/**
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* Add edges to graph based on parsed graph definition
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*
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* @param {object} edges The edges to add to the graph
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* @param {object} g The graph object
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* @param cy
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* @param diagObj
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* @param graph
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* @param svg
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*/
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export const addEdges = function (edges, diagObj, graph, svg) {
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log.info('abc78 edges = ', edges);
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const labelsEl = svg.insert('g').attr('class', 'edgeLabels');
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let linkIdCnt = {};
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let dir = diagObj.db.getDirection();
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let defaultStyle;
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let defaultLabelStyle;
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if (edges.defaultStyle !== undefined) {
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const defaultStyles = getStylesFromArray(edges.defaultStyle);
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defaultStyle = defaultStyles.style;
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defaultLabelStyle = defaultStyles.labelStyle;
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}
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edges.forEach(function (edge) {
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// Identify Link
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const linkIdBase = 'L-' + edge.start + '-' + edge.end;
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// count the links from+to the same node to give unique id
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if (linkIdCnt[linkIdBase] === undefined) {
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linkIdCnt[linkIdBase] = 0;
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log.info('abc78 new entry', linkIdBase, linkIdCnt[linkIdBase]);
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} else {
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linkIdCnt[linkIdBase]++;
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log.info('abc78 new entry', linkIdBase, linkIdCnt[linkIdBase]);
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}
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let linkId = linkIdBase + '-' + linkIdCnt[linkIdBase];
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log.info('abc78 new link id to be used is', linkIdBase, linkId, linkIdCnt[linkIdBase]);
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const linkNameStart = 'LS-' + edge.start;
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const linkNameEnd = 'LE-' + edge.end;
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const edgeData = { style: '', labelStyle: '' };
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edgeData.minlen = edge.length || 1;
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//edgeData.id = 'id' + cnt;
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// Set link type for rendering
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if (edge.type === 'arrow_open') {
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edgeData.arrowhead = 'none';
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} else {
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edgeData.arrowhead = 'normal';
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}
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// Check of arrow types, placed here in order not to break old rendering
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edgeData.arrowTypeStart = 'arrow_open';
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edgeData.arrowTypeEnd = 'arrow_open';
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/* eslint-disable no-fallthrough */
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switch (edge.type) {
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case 'double_arrow_cross':
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edgeData.arrowTypeStart = 'arrow_cross';
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case 'arrow_cross':
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edgeData.arrowTypeEnd = 'arrow_cross';
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break;
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case 'double_arrow_point':
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edgeData.arrowTypeStart = 'arrow_point';
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case 'arrow_point':
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edgeData.arrowTypeEnd = 'arrow_point';
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break;
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case 'double_arrow_circle':
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edgeData.arrowTypeStart = 'arrow_circle';
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case 'arrow_circle':
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edgeData.arrowTypeEnd = 'arrow_circle';
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break;
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}
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let style = '';
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let labelStyle = '';
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switch (edge.stroke) {
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case 'normal':
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style = 'fill:none;';
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if (defaultStyle !== undefined) {
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style = defaultStyle;
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}
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if (defaultLabelStyle !== undefined) {
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labelStyle = defaultLabelStyle;
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}
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edgeData.thickness = 'normal';
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edgeData.pattern = 'solid';
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break;
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case 'dotted':
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edgeData.thickness = 'normal';
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edgeData.pattern = 'dotted';
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edgeData.style = 'fill:none;stroke-width:2px;stroke-dasharray:3;';
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break;
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case 'thick':
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edgeData.thickness = 'thick';
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edgeData.pattern = 'solid';
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edgeData.style = 'stroke-width: 3.5px;fill:none;';
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break;
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}
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if (edge.style !== undefined) {
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const styles = getStylesFromArray(edge.style);
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style = styles.style;
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labelStyle = styles.labelStyle;
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}
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edgeData.style = edgeData.style += style;
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edgeData.labelStyle = edgeData.labelStyle += labelStyle;
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if (edge.interpolate !== undefined) {
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edgeData.curve = interpolateToCurve(edge.interpolate, curveLinear);
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} else if (edges.defaultInterpolate !== undefined) {
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edgeData.curve = interpolateToCurve(edges.defaultInterpolate, curveLinear);
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} else {
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edgeData.curve = interpolateToCurve(conf.curve, curveLinear);
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}
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if (edge.text === undefined) {
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if (edge.style !== undefined) {
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edgeData.arrowheadStyle = 'fill: #333';
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}
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} else {
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edgeData.arrowheadStyle = 'fill: #333';
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edgeData.labelpos = 'c';
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}
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edgeData.labelType = edge.labelType;
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edgeData.label = edge.text.replace(common.lineBreakRegex, '\n');
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if (edge.style === undefined) {
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edgeData.style = edgeData.style || 'stroke: #333; stroke-width: 1.5px;fill:none;';
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}
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edgeData.labelStyle = edgeData.labelStyle.replace('color:', 'fill:');
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edgeData.id = linkId;
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edgeData.classes = 'flowchart-link ' + linkNameStart + ' ' + linkNameEnd;
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const labelEl = insertEdgeLabel(labelsEl, edgeData);
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// calculate start and end points of the edge, note that the source and target
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// can be modified for shapes that have ports
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const { source, target, sourceId, targetId } = getEdgeStartEndPoint(edge, dir);
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log.debug('abc78 source and target', source, target);
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// Add the edge to the graph
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graph.edges.push({
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id: 'e' + edge.start + edge.end,
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sources: [source],
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targets: [target],
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sourceId,
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targetId,
|
|
labelEl: labelEl,
|
|
labels: [
|
|
{
|
|
width: edgeData.width,
|
|
height: edgeData.height,
|
|
orgWidth: edgeData.width,
|
|
orgHeight: edgeData.height,
|
|
text: edgeData.label,
|
|
layoutOptions: {
|
|
'edgeLabels.inline': 'true',
|
|
'edgeLabels.placement': 'CENTER',
|
|
},
|
|
},
|
|
],
|
|
edgeData,
|
|
});
|
|
});
|
|
return graph;
|
|
};
|
|
|
|
// TODO: break out and share with dagre wrapper. The current code in dagre wrapper also adds
|
|
// adds the line to the graph, but we don't need that here. This is why we can't use the dagre
|
|
// wrapper directly for this
|
|
/**
|
|
* Add the markers to the edge depending on the type of arrow is
|
|
* @param svgPath
|
|
* @param edgeData
|
|
* @param diagramType
|
|
* @param arrowMarkerAbsolute
|
|
* @param id
|
|
*/
|
|
const addMarkersToEdge = function (svgPath, edgeData, diagramType, arrowMarkerAbsolute, id) {
|
|
let url = '';
|
|
// Check configuration for absolute path
|
|
if (arrowMarkerAbsolute) {
|
|
url =
|
|
window.location.protocol +
|
|
'//' +
|
|
window.location.host +
|
|
window.location.pathname +
|
|
window.location.search;
|
|
url = url.replace(/\(/g, '\\(');
|
|
url = url.replace(/\)/g, '\\)');
|
|
}
|
|
|
|
// look in edge data and decide which marker to use
|
|
addEdgeMarkers(svgPath, edgeData, url, id, diagramType);
|
|
};
|
|
|
|
/**
|
|
* Returns the all the styles from classDef statements in the graph definition.
|
|
*
|
|
* @param text
|
|
* @param diagObj
|
|
* @returns {Record<string, import('../../mermaid/src/diagram-api/types.js').DiagramStyleClassDef>} ClassDef styles
|
|
*/
|
|
export const getClasses = function (text, diagObj) {
|
|
log.info('Extracting classes');
|
|
return diagObj.db.getClasses();
|
|
};
|
|
|
|
const addSubGraphs = function (db) {
|
|
const parentLookupDb = { parentById: {}, childrenById: {} };
|
|
const subgraphs = db.getSubGraphs();
|
|
log.info('Subgraphs - ', subgraphs);
|
|
subgraphs.forEach(function (subgraph) {
|
|
subgraph.nodes.forEach(function (node) {
|
|
parentLookupDb.parentById[node] = subgraph.id;
|
|
if (parentLookupDb.childrenById[subgraph.id] === undefined) {
|
|
parentLookupDb.childrenById[subgraph.id] = [];
|
|
}
|
|
parentLookupDb.childrenById[subgraph.id].push(node);
|
|
});
|
|
});
|
|
|
|
subgraphs.forEach(function (subgraph) {
|
|
const data = { id: subgraph.id };
|
|
if (parentLookupDb.parentById[subgraph.id] !== undefined) {
|
|
data.parent = parentLookupDb.parentById[subgraph.id];
|
|
}
|
|
});
|
|
return parentLookupDb;
|
|
};
|
|
|
|
const calcOffset = function (src, dest, parentLookupDb) {
|
|
const ancestor = findCommonAncestor(src, dest, parentLookupDb);
|
|
if (ancestor === undefined || ancestor === 'root') {
|
|
return { x: 0, y: 0 };
|
|
}
|
|
|
|
const ancestorOffset = nodeDb[ancestor].offset;
|
|
return { x: ancestorOffset.posX, y: ancestorOffset.posY };
|
|
};
|
|
|
|
const insertEdge = function (edgesEl, edge, edgeData, diagObj, parentLookupDb, id) {
|
|
const offset = calcOffset(edge.sourceId, edge.targetId, parentLookupDb);
|
|
|
|
const src = edge.sections[0].startPoint;
|
|
const dest = edge.sections[0].endPoint;
|
|
const segments = edge.sections[0].bendPoints ? edge.sections[0].bendPoints : [];
|
|
|
|
const segPoints = segments.map((segment) => [segment.x + offset.x, segment.y + offset.y]);
|
|
const points = [
|
|
[src.x + offset.x, src.y + offset.y],
|
|
...segPoints,
|
|
[dest.x + offset.x, dest.y + offset.y],
|
|
];
|
|
|
|
const { x, y } = getLineFunctionsWithOffset(edge.edgeData);
|
|
const curve = line().x(x).y(y).curve(curveLinear);
|
|
const edgePath = edgesEl
|
|
.insert('path')
|
|
.attr('d', curve(points))
|
|
.attr('class', 'path ' + edgeData.classes)
|
|
.attr('fill', 'none');
|
|
const edgeG = edgesEl.insert('g').attr('class', 'edgeLabel');
|
|
const edgeWithLabel = select(edgeG.node().appendChild(edge.labelEl));
|
|
const box = edgeWithLabel.node().firstChild.getBoundingClientRect();
|
|
edgeWithLabel.attr('width', box.width);
|
|
edgeWithLabel.attr('height', box.height);
|
|
|
|
edgeG.attr(
|
|
'transform',
|
|
`translate(${edge.labels[0].x + offset.x}, ${edge.labels[0].y + offset.y})`
|
|
);
|
|
addMarkersToEdge(edgePath, edgeData, diagObj.type, diagObj.arrowMarkerAbsolute, id);
|
|
};
|
|
|
|
/**
|
|
* Recursive function that iterates over an array of nodes and inserts the children of each node.
|
|
* It also recursively populates the inserts the children of the children and so on.
|
|
* @param {*} graph
|
|
* @param nodeArray
|
|
* @param parentLookupDb
|
|
*/
|
|
const insertChildren = (nodeArray, parentLookupDb) => {
|
|
nodeArray.forEach((node) => {
|
|
// Check if we have reached the end of the tree
|
|
if (!node.children) {
|
|
node.children = [];
|
|
}
|
|
// Check if the node has children
|
|
const childIds = parentLookupDb.childrenById[node.id];
|
|
// If the node has children, add them to the node
|
|
if (childIds) {
|
|
childIds.forEach((childId) => {
|
|
node.children.push(nodeDb[childId]);
|
|
});
|
|
}
|
|
// Recursive call
|
|
insertChildren(node.children, parentLookupDb);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Draws a flowchart in the tag with id: id based on the graph definition in text.
|
|
*
|
|
* @param text
|
|
* @param id
|
|
*/
|
|
|
|
export const draw = async function (text, id, _version, diagObj) {
|
|
// Add temporary render element
|
|
diagObj.db.clear();
|
|
nodeDb = {};
|
|
portPos = {};
|
|
diagObj.db.setGen('gen-2');
|
|
// Parse the graph definition
|
|
diagObj.parser.parse(text);
|
|
|
|
const renderEl = select('body').append('div').attr('style', 'height:400px').attr('id', 'cy');
|
|
let graph = {
|
|
id: 'root',
|
|
layoutOptions: {
|
|
'elk.hierarchyHandling': 'INCLUDE_CHILDREN',
|
|
'org.eclipse.elk.padding': '[top=100, left=100, bottom=110, right=110]',
|
|
'elk.layered.spacing.edgeNodeBetweenLayers': '30',
|
|
// 'elk.layered.mergeEdges': 'true',
|
|
'elk.direction': 'DOWN',
|
|
// 'elk.ports.sameLayerEdges': true,
|
|
// 'nodePlacement.strategy': 'SIMPLE',
|
|
},
|
|
children: [],
|
|
edges: [],
|
|
};
|
|
log.info('Drawing flowchart using v3 renderer', elk);
|
|
|
|
// Set the direction,
|
|
// Fetch the default direction, use TD if none was found
|
|
let dir = diagObj.db.getDirection();
|
|
switch (dir) {
|
|
case 'BT':
|
|
graph.layoutOptions['elk.direction'] = 'UP';
|
|
break;
|
|
case 'TB':
|
|
graph.layoutOptions['elk.direction'] = 'DOWN';
|
|
break;
|
|
case 'LR':
|
|
graph.layoutOptions['elk.direction'] = 'RIGHT';
|
|
break;
|
|
case 'RL':
|
|
graph.layoutOptions['elk.direction'] = 'LEFT';
|
|
break;
|
|
}
|
|
const { securityLevel, flowchart: conf } = getConfig();
|
|
|
|
// Find the root dom node to ne used in rendering
|
|
// Handle root and document for when rendering in sandbox mode
|
|
let sandboxElement;
|
|
if (securityLevel === 'sandbox') {
|
|
sandboxElement = select('#i' + id);
|
|
}
|
|
const root =
|
|
securityLevel === 'sandbox'
|
|
? select(sandboxElement.nodes()[0].contentDocument.body)
|
|
: select('body');
|
|
const doc = securityLevel === 'sandbox' ? sandboxElement.nodes()[0].contentDocument : document;
|
|
|
|
const svg = root.select(`[id="${id}"]`);
|
|
|
|
// Define the supported markers for the diagram
|
|
const markers = ['point', 'circle', 'cross'];
|
|
|
|
// Add the marker definitions to the svg as marker tags
|
|
insertMarkers(svg, markers, diagObj.type, id);
|
|
|
|
// Fetch the vertices/nodes and edges/links from the parsed graph definition
|
|
const vert = diagObj.db.getVertices();
|
|
|
|
// Setup nodes from the subgraphs with type group, these will be used
|
|
// as nodes with children in the subgraph
|
|
let subG;
|
|
const subGraphs = diagObj.db.getSubGraphs();
|
|
log.info('Subgraphs - ', subGraphs);
|
|
for (let i = subGraphs.length - 1; i >= 0; i--) {
|
|
subG = subGraphs[i];
|
|
diagObj.db.addVertex(
|
|
subG.id,
|
|
{ text: subG.title, type: subG.labelType },
|
|
'group',
|
|
undefined,
|
|
subG.classes,
|
|
subG.dir
|
|
);
|
|
}
|
|
|
|
// debugger;
|
|
// Add an element in the svg to be used to hold the subgraphs container
|
|
// elements
|
|
const subGraphsEl = svg.insert('g').attr('class', 'subgraphs');
|
|
|
|
// Create the lookup db for the subgraphs and their children to used when creating
|
|
// the tree structured graph
|
|
const parentLookupDb = addSubGraphs(diagObj.db);
|
|
|
|
// Add the nodes to the graph, this will entail creating the actual nodes
|
|
// in order to get the size of the node. You can't get the size of a node
|
|
// that is not in the dom so we need to add it to the dom, get the size
|
|
// we will position the nodes when we get the layout from elkjs
|
|
graph = await addVertices(vert, id, root, doc, diagObj, parentLookupDb, graph);
|
|
|
|
// Time for the edges, we start with adding an element in the node to hold the edges
|
|
const edgesEl = svg.insert('g').attr('class', 'edges edgePath');
|
|
// Fetch the edges form the parsed graph definition
|
|
const edges = diagObj.db.getEdges();
|
|
|
|
// Add the edges to the graph, this will entail creating the actual edges
|
|
graph = addEdges(edges, diagObj, graph, svg);
|
|
|
|
// Iterate through all nodes and add the top level nodes to the graph
|
|
const nodes = Object.keys(nodeDb);
|
|
nodes.forEach((nodeId) => {
|
|
const node = nodeDb[nodeId];
|
|
if (!node.parent) {
|
|
graph.children.push(node);
|
|
}
|
|
// Subgraph
|
|
if (parentLookupDb.childrenById[nodeId] !== undefined) {
|
|
node.labels = [
|
|
{
|
|
text: node.labelText,
|
|
layoutOptions: {
|
|
'nodeLabels.placement': '[H_CENTER, V_TOP, INSIDE]',
|
|
},
|
|
width: node.labelData.width,
|
|
height: node.labelData.height,
|
|
// width: 100,
|
|
// height: 100,
|
|
},
|
|
];
|
|
delete node.x;
|
|
delete node.y;
|
|
delete node.width;
|
|
delete node.height;
|
|
}
|
|
});
|
|
|
|
insertChildren(graph.children, parentLookupDb);
|
|
log.info('after layout', JSON.stringify(graph, null, 2));
|
|
const g = await elk.layout(graph);
|
|
drawNodes(0, 0, g.children, svg, subGraphsEl, diagObj, 0);
|
|
log.info('after layout', g);
|
|
g.edges?.map((edge) => {
|
|
insertEdge(edgesEl, edge, edge.edgeData, diagObj, parentLookupDb, id);
|
|
});
|
|
setupGraphViewbox({}, svg, conf.diagramPadding, conf.useMaxWidth);
|
|
// Remove element after layout
|
|
renderEl.remove();
|
|
};
|
|
|
|
const drawNodes = (relX, relY, nodeArray, svg, subgraphsEl, diagObj, depth) => {
|
|
nodeArray.forEach(function (node) {
|
|
if (node) {
|
|
nodeDb[node.id].offset = {
|
|
posX: node.x + relX,
|
|
posY: node.y + relY,
|
|
x: relX,
|
|
y: relY,
|
|
depth,
|
|
width: node.width,
|
|
height: node.height,
|
|
};
|
|
if (node.type === 'group') {
|
|
const subgraphEl = subgraphsEl.insert('g').attr('class', 'subgraph');
|
|
subgraphEl
|
|
.insert('rect')
|
|
.attr('class', 'subgraph subgraph-lvl-' + (depth % 5) + ' node')
|
|
.attr('x', node.x + relX)
|
|
.attr('y', node.y + relY)
|
|
.attr('width', node.width)
|
|
.attr('height', node.height);
|
|
const label = subgraphEl.insert('g').attr('class', 'label');
|
|
const labelCentering = getConfig().flowchart.htmlLabels ? node.labelData.width / 2 : 0;
|
|
label.attr(
|
|
'transform',
|
|
`translate(${node.labels[0].x + relX + node.x + labelCentering}, ${
|
|
node.labels[0].y + relY + node.y + 3
|
|
})`
|
|
);
|
|
label.node().appendChild(node.labelData.labelNode);
|
|
|
|
log.info('Id (UGH)= ', node.type, node.labels);
|
|
} else {
|
|
log.info('Id (UGH)= ', node.id);
|
|
node.el.attr(
|
|
'transform',
|
|
`translate(${node.x + relX + node.width / 2}, ${node.y + relY + node.height / 2})`
|
|
);
|
|
}
|
|
}
|
|
});
|
|
nodeArray.forEach(function (node) {
|
|
if (node && node.type === 'group') {
|
|
drawNodes(relX + node.x, relY + node.y, node.children, svg, subgraphsEl, diagObj, depth + 1);
|
|
}
|
|
});
|
|
};
|
|
|
|
export default {
|
|
getClasses,
|
|
draw,
|
|
};
|