#5237 Support for composit states

packages/mermaid/src/diagrams/state/stateRenderer-v3-unified.ts

@@ -86,8 +86,8 @@ export const draw = async function (text: string, id: string, _version: string,
   // performRender(data4Rendering);
 
   data4Layout.type = diag.type;
-  // data4Layout.layoutAlgorithm = 'dagre-wrapper';
-  data4Layout.layoutAlgorithm = 'elk';
+  data4Layout.layoutAlgorithm = 'dagre-wrapper';
+  // data4Layout.layoutAlgorithm = 'elk';
   data4Layout.skin = 'roughjs';
   data4Layout.direction = DIR;
   data4Layout.nodeSpacing = conf.nodeSpacing || 50;

packages/mermaid/src/rendering-util/rendering-elements/clusters.js

@@ -6,6 +6,8 @@ import { select } from 'd3';
 import { getConfig } from '$root/diagram-api/diagramAPI.js';
 import { evaluate } from '$root/diagrams/common/common.js';
 import { getSubGraphTitleMargins } from '$root/utils/subGraphTitleMargins.js';
+import rough from 'roughjs';
+import { createRoundedRectPathD } from './shapes/roundedRectPath.ts';
 
 const rect = (parent, node) => {
   log.info('Creating subgraph rect for ', node.id, node);
@@ -136,11 +138,11 @@ const roundedWithTitle = (parent, node) => {
   const shapeSvg = parent.insert('g').attr('class', node.classes).attr('id', node.id);
 
   // add the rect
-  const rect = shapeSvg.insert('rect', ':first-child');
+  const outerRectG = shapeSvg.insert('g', ':first-child');
 
   // Create the label and insert it after the rect
   const label = shapeSvg.insert('g').attr('class', 'cluster-label');
-  const innerRect = shapeSvg.append('rect');
+  let innerRect = shapeSvg.append('rect');
 
   const text = label
     .node()
@@ -159,26 +161,52 @@ const roundedWithTitle = (parent, node) => {
   const padding = 0 * node.padding;
   const halfPadding = padding / 2;
 
-  const width = node.width <= bbox.width + node.padding ? bbox.width + node.padding : node.width;
+  const width =
+    (node.width <= bbox.width + node.padding ? bbox.width + node.padding : node.width) + padding;
   if (node.width <= bbox.width + node.padding) {
     node.diff = (bbox.width + node.padding * 0 - node.width) / 2;
   } else {
     node.diff = -node.padding / 2;
   }
 
+  const x = node.x - width / 2 - halfPadding;
+  const y = node.y - node.height / 2 - halfPadding;
+  const innerY = node.y - node.height / 2 - halfPadding + bbox.height - 1;
+  const height = node.height + padding;
+  const innerHeight = node.height + padding - bbox.height - 3;
+
+  // add the rect
+  let rect;
+  if (node.useRough) {
+    const rc = rough.svg(shapeSvg);
+    const roughOuterNode =
+      node.rx || node.ry
+        ? rc.path(createRoundedRectPathD(x, y, width, height, 10), {
+            roughness: 0.7,
+          })
+        : rc.rectangle(x, y, width, height);
+
+    rect = shapeSvg.insert(() => roughOuterNode);
+    const roughInnerNode = rc.rectangle(x, innerY, width, innerHeight);
+
+    rect = shapeSvg.insert(() => roughOuterNode);
+    innerRect = shapeSvg.insert(() => roughInnerNode);
+  } else {
+    rect = outerRectG.insert('rect', ':first-child');
     // center the rect around its coordinate
     rect
       .attr('class', 'outer')
-    .attr('x', node.x - width / 2 - halfPadding)
-    .attr('y', node.y - node.height / 2 - halfPadding)
-    .attr('width', width + padding)
+      .attr('x', x)
+      .attr('y', y)
+      .attr('width', width)
       .attr('height', node.height + padding);
     innerRect
       .attr('class', 'inner')
-    .attr('x', node.x - width / 2 - halfPadding)
-    .attr('y', node.y - node.height / 2 - halfPadding + bbox.height - 1)
-    .attr('width', width + padding)
-    .attr('height', node.height + padding - bbox.height - 3);
+      .attr('x', x)
+      .attr('y', innerY)
+      .attr('width', width)
+      .attr('height', innerHeight);
+  }
 
   const { subGraphTitleTopMargin } = getSubGraphTitleMargins(siteConfig);
   // Center the label

packages/mermaid/src/rendering-util/rendering-elements/shapes/rect.ts

@@ -2,8 +2,8 @@ import { log } from '$root/logger.js';
 import { labelHelper, updateNodeBounds } from './util.js';
 import intersect from '../intersect/index.js';
 import type { Node } from '$root/rendering-util/types.d.ts';
+import { createRoundedRectPathD } from './roundedRectPath.js';
 import rough from 'roughjs';
-import { select } from 'd3';
 
 /**
  *
@@ -56,61 +56,6 @@ function applyNodePropertyBorders(
   rect.attr('stroke-dasharray', strokeDashArray.join(' '));
 }
 
-function createRoundedRectPathD(
-  x: number,
-  y: number,
-  totalWidth: number,
-  totalHeight: number,
-  radius: number
-) {
-  return [
-    'M',
-    x + radius,
-    y, // Move to the first point
-    'H',
-    x + totalWidth - radius, // Draw horizontal line to the beginning of the right corner
-    'A',
-    radius,
-    radius,
-    0,
-    0,
-    1,
-    x + totalWidth,
-    y + radius, // Draw arc to the right top corner
-    'V',
-    y + totalHeight - radius, // Draw vertical line down to the beginning of the right bottom corner
-    'A',
-    radius,
-    radius,
-    0,
-    0,
-    1,
-    x + totalWidth - radius,
-    y + totalHeight, // Draw arc to the right bottom corner
-    'H',
-    x + radius, // Draw horizontal line to the beginning of the left bottom corner
-    'A',
-    radius,
-    radius,
-    0,
-    0,
-    1,
-    x,
-    y + totalHeight - radius, // Draw arc to the left bottom corner
-    'V',
-    y + radius, // Draw vertical line up to the beginning of the left top corner
-    'A',
-    radius,
-    radius,
-    0,
-    0,
-    1,
-    x + radius,
-    y, // Draw arc to the left top corner
-    'Z', // Close the path
-  ].join(' ');
-}
-
 export const rect = async (parent: SVGAElement, node: Node) => {
   const { shapeSvg, bbox, halfPadding } = await labelHelper(
     parent,

packages/mermaid/src/rendering-util/rendering-elements/shapes/roundedRectPath.ts

@@ -0,0 +1,53 @@
+export const createRoundedRectPathD = (
+  x: number,
+  y: number,
+  totalWidth: number,
+  totalHeight: number,
+  radius: number
+) =>
+  [
+    'M',
+    x + radius,
+    y, // Move to the first point
+    'H',
+    x + totalWidth - radius, // Draw horizontal line to the beginning of the right corner
+    'A',
+    radius,
+    radius,
+    0,
+    0,
+    1,
+    x + totalWidth,
+    y + radius, // Draw arc to the right top corner
+    'V',
+    y + totalHeight - radius, // Draw vertical line down to the beginning of the right bottom corner
+    'A',
+    radius,
+    radius,
+    0,
+    0,
+    1,
+    x + totalWidth - radius,
+    y + totalHeight, // Draw arc to the right bottom corner
+    'H',
+    x + radius, // Draw horizontal line to the beginning of the left bottom corner
+    'A',
+    radius,
+    radius,
+    0,
+    0,
+    1,
+    x,
+    y + totalHeight - radius, // Draw arc to the left bottom corner
+    'V',
+    y + radius, // Draw vertical line up to the beginning of the left top corner
+    'A',
+    radius,
+    radius,
+    0,
+    0,
+    1,
+    x + radius,
+    y, // Draw arc to the left top corner
+    'Z', // Close the path
+  ].join(' ');