docs: add demo

site/examples/relations/flow-graph/demo/meta.json

@@ -27,6 +27,14 @@
         "en": "Task Scheduling Flow Graph"
       },
       "screenshot": "https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*yd-WSLmyxAkAAAAAAAAAAAAADmJ7AQ/original"
+    },
+    {
+      "filename": "product-activation-flow-graph.js",
+      "title": {
+        "zh": "产品开通动线图",
+        "en": "Product Activation Flow Graph"
+      },
+      "screenshot": "https://mdn.alipayobjects.com/huamei_qa8qxu/afts/img/A*n9JgQIGi9BQAAAAAAAAAAAAADmJ7AQ/original"
     }
   ]
 }

site/examples/relations/flow-graph/demo/product-activation-flow-graph.js

@@ -0,0 +1,190 @@
+import { FlowGraph } from '@ant-design/graphs';
+import insertCss from 'insert-css';
+import { isBoolean } from 'lodash';
+import React, { useEffect, useState } from 'react';
+import ReactDOM from 'react-dom';
+
+insertCss(`
+  .step-card-wrapper {
+    height: 58px;
+    width: 120px;
+    background: #ecf2fe;
+    border-radius: 4px;
+    box-sizing: border-box;
+    padding: 6px 12px;
+    font-size: 10px;
+    font-weight: 500;
+    color: #252525;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+
+    .elapsed-time {
+      margin-top: 8px;
+
+      .elapsed-time-title {
+        color: #aaa;
+        font-size: 8px;
+      }
+    }
+  }
+
+  .step-group-card-wrapper {
+    width: inherit;
+    height: inherit;
+    border-radius: 4px;
+    box-sizing: border-box;
+    border: 1px solid #eee;
+
+    .header {
+      height: 32px;
+      line-height: 32px;
+      background-color: #3875f7;
+      color: #fff;
+      border-radius: 4px 4px 0 0;
+      display: flex;
+      font-size: 10px;
+      padding: 0 12px;
+      gap: 2px;
+
+      .header-content {
+        flex: 1;
+        display: flex;
+        justify-content: space-between;
+
+        .elapsed-time {
+          display: flex;
+          gap: 2px;
+          font-size: 9px;
+
+          &-title {
+            color: #acc7fb;
+          }
+        }
+      }
+
+      .header-extra {
+        cursor: pointer;
+        width: fit-content;
+        color: #acc7fb;
+      }
+    }
+
+    .header-collapsed {
+      border-radius: 4px;
+    }
+
+    .step-card-group {
+      display: flex;
+      gap: 8px;
+      flex-direction: column;
+      align-items: center;
+      padding: 16px 0;
+    }
+  }
+`);
+
+const StepCard = ({ name, elapsed_time }) => {
+  return (
+    <div className="step-card-wrapper">
+      <div className="name">{name}</div>
+      {elapsed_time && (
+        <div className="elapsed-time">
+          <div className="elapsed-time-title">80分位耗时</div>
+          <div className="elapsed-time-value">{elapsed_time}</div>
+        </div>
+      )}
+    </div>
+  );
+};
+
+const StepGroupCard = (props) => {
+  const { name, elapsed_time, children, isCollapsed, toggleCollapse } = props;
+  return (
+    <div className="step-group-card-wrapper" $isCollapsed={isCollapsed}>
+      <div className={`header ${isCollapsed ? 'header-collapsed' : ''}`}>
+        <div className="header-content">
+          <div className="name">{name}</div>
+          {elapsed_time && (
+            <div className="elapsed-time">
+              <div className="elapsed-time-title">80分位耗时</div>
+              <div className="elapsed-time-value">{elapsed_time}</div>
+            </div>
+          )}
+        </div>
+        <div className="header-extra" onClick={toggleCollapse}>
+          {isCollapsed ? '展开' : '收起'}
+        </div>
+      </div>
+      {!isCollapsed && (
+        <div className="step-card-group">
+          {children?.map((child, index) => (
+            <StepCard key={index} {...child} />
+          ))}
+        </div>
+      )}
+    </div>
+  );
+};
+
+function isGroupCollapsed(data) {
+  return isBoolean(data.style?.collapsed) ? data.style?.collapsed : data.data.status === 'finished';
+}
+
+function isSingleStep(data) {
+  return !data.data.children;
+}
+
+const DemoFlowGraph = () => {
+  const [data, setData] = useState(undefined);
+
+  useEffect(() => {
+    fetch('https://assets.antv.antgroup.com/antd-charts/product-activation.json')
+      .then((res) => res.json())
+      .then(setData);
+  }, []);
+
+  const options = {
+    autoFit: 'view',
+    data,
+    node: {
+      style: {
+        component: function (data) {
+          if (isSingleStep(data)) return <StepCard {...data.data} />;
+          const toggleCollapse = async () => {
+            const graph = this;
+            graph.updateNodeData([{ id: data.id, style: { collapsed: !isGroupCollapsed(data) } }]);
+            await graph.render();
+          };
+          return <StepGroupCard {...data.data} isCollapsed={isGroupCollapsed(data)} toggleCollapse={toggleCollapse} />;
+        },
+        size: (data) => {
+          if (isSingleStep(data)) return [120, 58];
+          const GAP = 8;
+          const height = isGroupCollapsed(data) ? 32 : 56 + (58 + GAP) * (data.data?.children?.length || 0);
+          return [200, height];
+        },
+      },
+    },
+    edge: {
+      style: {
+        lineWidth: 1,
+        labelBackground: true,
+        labelBackgroundOpacity: 1,
+        labelFill: '#aaa',
+        labelFontSize: 8,
+        labelFontWeight: 500,
+        labelText: (data) => (data.data?.elapsed_time ? `80分位耗时\n${data.data.elapsed_time}` : ''),
+      },
+    },
+    layout: {
+      type: 'dagre',
+      nodeSize: (data) => (isSingleStep(data) ? 160 : 400),
+      animation: false,
+    },
+  };
+
+  return <FlowGraph {...options} />;
+};
+
+ReactDOM.render(<DemoFlowGraph />, document.getElementById('container'));