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feat(examples): add custom edge closes #193

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This commit is contained in:
moklick
2020-05-11 22:05:50 +02:00
parent 6ea206e3be
commit 4af6261771
3 changed files with 29 additions and 11 deletions
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example/src/Edges/CustomEdge.js
+16
View File
@@ -0,0 +1,16 @@
import React from 'react';
export default function CustomEdge({
id, sourceX, sourceY, targetX, targetY, label, style = {}
}) {
return (
<>
<path id={id} style={style} className="react-flow__edge-path" d={`M ${sourceX},${sourceY}L ${targetX},${targetY}`} />
<text>
<textPath href={`#${id}`} style={{ fontSize: '12px' }} startOffset="50%" textAnchor="middle">
{label}
</textPath>
</text>
</>
);
};
example/src/Edges/index.js
+11 -4
View File
@@ -2,6 +2,8 @@ import React, { useState } from 'react';
import ReactFlow, { removeElements, addEdge, MiniMap, Controls } from 'react-flow-renderer';
import CustomEdge from './CustomEdge';
const onNodeDragStop = node => console.log('drag stop', node);
const onElementClick = element => console.log('click', element);
const onLoad = (graph) => {
@@ -9,14 +11,15 @@ const onLoad = (graph) => {
};
const initialElements = [
{ id: '1', type: 'input', data: { label: 'Input Node 1' }, position: { x: 250, y: 0 } },
{ id: '1', type: 'input', data: { label: 'Input 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: '3a', data: { label: 'Node 3a' }, position: { x: 150, 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: '5', data: { label: 'Node 5' }, position: { x: 250, y: 400 } },
{ id: '6', type: 'output', data: { label: 'Output 6' }, position: { x: 50, y: 550 } },
{ id: '7', type: 'output', data: { label: 'Output 7' }, position: { x: 250, y: 550 } },
{ id: '8', type: 'output', data: { label: 'Output 8' }, position: { x: 525, y: 600 } },
{ id: 'e1-2', source: '1', target: '2', label: 'bezier edge' },
{ id: 'e2-3', source: '2', target: '3', type: 'step', label: 'step edge' },
{ id: 'e3-4', source: '3', target: '4', type: 'straight', label: 'straight edge' },
@@ -24,6 +27,7 @@ const initialElements = [
{ 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 } },
{ id: 'e5-8', source: '5', target: '8', type: 'custom', label: 'custom edge' },
];
const EdgesFlow = () => {
@@ -42,6 +46,9 @@ const EdgesFlow = () => {
style={{ width: '100%', height: '100%' }}
onLoad={onLoad}
snapToGrid={true}
edgeTypes={{
custom: CustomEdge
}}
>
<MiniMap />
<Controls />