From 920136b807b786b58b58aa46f3459d4895315953 Mon Sep 17 00:00:00 2001
From: Jack Fishwick <jack@poly-ai.com>
Date: Mon, 26 Sep 2022 15:09:22 +0100
Subject: [PATCH] feat: add a Figma example.

---
 examples/vite-app/src/App/index.tsx           |  6 ++
 .../vite-app/src/examples/Figma/index.tsx     | 97 +++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 examples/vite-app/src/examples/Figma/index.tsx

diff --git a/examples/vite-app/src/App/index.tsx b/examples/vite-app/src/App/index.tsx
index 5b596f48..8e46f457 100644
--- a/examples/vite-app/src/App/index.tsx
+++ b/examples/vite-app/src/App/index.tsx
@@ -13,6 +13,7 @@ import Edges from '../examples/Edges';
 import EdgeRenderer from '../examples/EdgeRenderer';
 import EdgeTypes from '../examples/EdgeTypes';
 import Empty from '../examples/Empty';
+import Figma from '../examples/Figma';
 import FloatingEdges from '../examples/FloatingEdges';
 import Hidden from '../examples/Hidden';
 import Interaction from '../examples/Interaction';
@@ -119,6 +120,11 @@ const routes: IRoute[] = [
     path: '/empty',
     component: Empty,
   },
+  {
+    name: 'Figma',
+    path: '/figma',
+    component: Figma,
+  },
   {
     name: 'Floating Edges',
     path: '/floating-edges',
diff --git a/examples/vite-app/src/examples/Figma/index.tsx b/examples/vite-app/src/examples/Figma/index.tsx
new file mode 100644
index 00000000..3c19af29
--- /dev/null
+++ b/examples/vite-app/src/examples/Figma/index.tsx
@@ -0,0 +1,97 @@
+import ReactFlow, {
+  ReactFlowProvider,
+  Background,
+  BackgroundVariant,
+  Node,
+  Edge,
+  useReactFlow,
+  useKeyPress,
+} from 'react-flow-renderer';
+
+const MULTI_SELECT_KEY = ['Meta', 'Shift'];
+
+const initialNodes: Node[] = [
+  { id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 }, className: 'light' },
+  { id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 100 }, className: 'light' },
+  { id: '3', data: { label: 'Node 3' }, position: { x: 400, y: 100 }, className: 'light' },
+  { id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 200 }, className: 'light' },
+];
+
+const initialEdges: Edge[] = [
+  { id: 'e1-2', source: '1', target: '2', animated: true },
+  { id: 'e1-3', source: '1', target: '3' },
+];
+
+const defaultEdgeOptions = { zIndex: 0 };
+
+const BasicFlow = () => {
+  const instance = useReactFlow();
+  const spaceBarPressed = useKeyPress('Space');
+
+  const updatePos = () => {
+    instance.setNodes((nodes) =>
+      nodes.map((node) => {
+        node.position = {
+          x: Math.random() * 400,
+          y: Math.random() * 400,
+        };
+
+        return node;
+      })
+    );
+  };
+
+  const logToObject = () => console.log(instance.toObject());
+  const resetTransform = () => instance.setViewport({ x: 0, y: 0, zoom: 1 });
+
+  const toggleClassnames = () => {
+    instance.setNodes((nodes) =>
+      nodes.map((node) => {
+        node.className = node.className === 'light' ? 'dark' : 'light';
+
+        return node;
+      })
+    );
+  };
+
+  return (
+    <ReactFlow
+      defaultNodes={initialNodes}
+      defaultEdges={initialEdges}
+      selectBoxOnDrag
+      panOnDrag={spaceBarPressed}
+      panOnScroll
+      zoomActivationKeyCode={'Meta'}
+      multiSelectionKeyCode={MULTI_SELECT_KEY}
+      className="react-flow-basic-example"
+      minZoom={0.2}
+      maxZoom={4}
+      fitView
+      defaultEdgeOptions={defaultEdgeOptions}
+      selectNodesOnDrag={false}
+    >
+      <Background variant={BackgroundVariant.Lines} />
+
+      <div style={{ position: 'absolute', right: 10, top: 10, zIndex: 4 }}>
+        <button onClick={resetTransform} style={{ marginRight: 5 }}>
+          reset transform
+        </button>
+        <button onClick={updatePos} style={{ marginRight: 5 }}>
+          change pos
+        </button>
+        <button onClick={toggleClassnames} style={{ marginRight: 5 }}>
+          toggle classnames
+        </button>
+        <button onClick={logToObject}>toObject</button>
+      </div>
+    </ReactFlow>
+  );
+};
+
+export default function App() {
+  return (
+    <ReactFlowProvider>
+      <BasicFlow />
+    </ReactFlowProvider>
+  );
+}