feat(edges): add label props

2020-05-11 12:18:36 +02:00
parent 6a35e576a0
commit 0c30eebb94
24 changed files with 406 additions and 74 deletions
@@ -0,0 +1,51 @@
+import React, { useState } from 'react';
+
+import ReactFlow, { removeElements, addEdge, MiniMap, Controls } from 'react-flow-renderer';
+
+const onNodeDragStop = node => console.log('drag stop', node);
+const onElementClick = element => console.log('click', element);
+const onLoad = (graph) => {
+  graph.fitView();
+};
+
+const initialElements = [
+  { id: '1', type: 'input', data: { label: 'Input Node 1' }, position: { x: 250, y: 0 } },
+  { id: '2', data: { label: 'Node 2' }, position: { x: 150, y: 100 } },
+  { id: '3', data: { label: 'Node 3' }, position: { x: 250, y: 200 } },
+  { id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 300 } },
+  { id: '5', data: { label: 'Node 5' }, position: { x: 450, y: 400 } },
+  { id: '6', type: 'output', data: { label: 'Output Node 5' }, position: { x: 250, y: 550 } },
+  { id: '7', type: 'output', data: { label: 'Output Node 6' }, position: { x: 550, y: 550 } },
+  { id: 'e1-2', source: '1', target: '2', label: 'bezier edge', labelBgStyle: { fillOpacity: 0.75 } },
+  { id: 'e2-3', source: '2', target: '3', type: 'step', label: 'step edge' },
+  { id: 'e3-4', source: '3', target: '4', type: 'straight', label: 'straight edge' },
+  { id: 'e3-5', source: '4', target: '5', animated: true, label: 'animated styled edge', style: { stroke: 'red' } },
+  { id: 'e5-6', source: '5', target: '6', label: 'styled label', labelStyle: { fill: 'red', fontWeight: 700 } },
+  { id: 'e5-7', source: '5', target: '7', label: 'label with styled bg', labelBgStyle: { fill: '#eee', fillOpacity: 0.7 } },
+
+]
+
+const EdgesFlow = () => {
+  const [elements, setElements] = useState(initialElements);
+
+  const onElementsRemove = (elementsToRemove) => setElements(els => removeElements(elementsToRemove, els));
+  const onConnect = (params) => setElements(els => addEdge(params, els));
+
+  return (
+    <ReactFlow
+      elements={elements}
+      onElementClick={onElementClick}
+      onElementsRemove={onElementsRemove}
+      onConnect={onConnect}
+      onNodeDragStop={onNodeDragStop}
+      style={{ width: '100%', height: '100%' }}
+      onLoad={onLoad}
+      snapToGrid={true}
+    >
+      <MiniMap />
+      <Controls />
+    </ReactFlow>
+  );
+}
+
+export default EdgesFlow;