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Mermaid version 11.0.0-b.67, handling of fixed layout without defined positions

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This commit is contained in:
Knut Sveidqvist
2024-08-15 14:11:02 +02:00
parent 4878cb9356
commit 9acf55069c
2 changed files with 50 additions and 7 deletions
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2
packages/mermaid/package.json
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@@ -1,6 +1,6 @@
{
"name": "@mermaid-chart/mermaid",
"version": "11.0.0-b.66",
"version": "11.0.0-b.67",
"description": "Markdown-ish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.",
"type": "module",
"module": "./dist/mermaid.core.mjs",

55
packages/mermaid/src/rendering-util/layout-algorithms/fixed/index.js
View File

@@ -62,18 +62,50 @@ const doRender = async (_elem, data4Layout, siteConfig, positions) => {
const edgeLabels = elem.insert('g').attr('class', 'edgeLabels');
const nodes = elem.insert('g').attr('class', 'nodes');
// Add positions for nodes that lack them
let maxY = 0;
data4Layout.nodes.map(function (node) {
const pos = positions.nodes[node.id];
if (pos) {
let y = pos.y;
if (pos.height) {
y += pos.height;
} else if (node.height) {
y += node.height;
}
maxY = Math.max(y, maxY);
}
});
let cnt = 0;
data4Layout.nodes.map(function (node) {
let pos;
if (!positions.nodes[node.id]) {
positions.nodes[node.id] = { x: cnt * 75, y: maxY + 20 };
cnt = cnt + 1;
}
// if (node.x === undefined || node.y === undefined) {
pos = positions.nodes[node.id] || { x: 0, y: 0, width: 100, height: 100 };
node.height = pos?.height || 50;
node.width = pos?.width || 50;
});
// Insert nodes, this will insert them into the dom and each node will get a size. The size is updated
// to the abstract node and is later used by dagre for the layout
nodeDB = new Map();
await Promise.all(
data4Layout.nodes.map(async function (node) {
data4Layout.nodes.map(async function (node, i) {
let pos;
if (node.x === undefined || node.y === undefined) {
pos = positions.nodes[node.id];
node.height = pos?.height || 0;
node.width = pos?.width || 0;
if (!positions.nodes[node.id]) {
positions.nodes[node.id] = { x: i * 100, y: maxY + 10, width: 50, height: 50 };
}
// if (node.x === undefined || node.y === undefined) {
pos = positions.nodes[node.id] || { x: 0, y: 0, width: 100, height: 100 };
node.height = pos?.height || 50;
node.width = pos?.width || 50;
// }
if (node.isGroup) {
node.x = 0;
node.y = 0;
@@ -116,8 +148,19 @@ const doRender = async (_elem, data4Layout, siteConfig, positions) => {
// Insert the edges and position the edge labels
for (const edge of data4Layout.edges) {
// log.info('Edge ' + e.v + ' -> ' + e.w + ': ' + JSON.stringify(edge), edge);
// console.info('Edge : ' + JSON.stringify(edge), edge);
if (!positions.edges[edge.id]) {
const startNode = positions.nodes[edge.start];
const endNode = positions.nodes[edge.end];
positions.edges[edge.id] = {
points: [
{ x: startNode.x, y: startNode.y },
{ x: (startNode.x + endNode.x) / 2, y: (startNode.y + endNode.y) / 2 },
{ x: endNode.x, y: endNode.y },
],
};
}
edge.points = fixInterSections(positions.edges[edge.id].points, edge.start, edge.end);
const paths = insertEdge(
edgePaths,