81 lines
2.3 KiB
JavaScript
81 lines
2.3 KiB
JavaScript
import React, { PureComponent } from 'react';
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import Graph from '../src';
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// import Graph from '../dist/ReactGraph';
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class App extends PureComponent {
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constructor() {
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super();
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this.state = {
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elements: [
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{ data: { id: '1', label: 'Tests', type: 'input' }, position: { x: 0, y: 0 } },
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{ data: { id: '2', label: 'This is a node This is a node This is a node This is a node' }, position: { x: 100, y: 100 } },
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{ data: { id: '3', label: 'This is a node' }, position: { x: 100, y: 200 }, style: { background: '#222', color: '#fff' } },
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{ data: { id: '4', label: 'nody nodes', type: 'output' }, position: { x: 50, y: 300 } },
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{ data: { id: '5', label: 'Another node', type: 'output' }, position: { x: 400, y: 300 } },
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{ data: { source: '1', target: '2' } },
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{ data: { source: '2', target: '3' } },
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{ data: { source: '3', target: '4' } },
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{ data: { source: '3', target: '5' } }
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]
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}
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}
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onLoad(graphInstance) {
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this.graphInstance = graphInstance;
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console.log('graph loaded:', this.graphInstance);
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}
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onChange(elements) {
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if (!this.graphInstance) {
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return false;
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}
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console.log('graph changed', elements);
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}
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onFitView() {
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if (!this.graphInstance) {
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return false;
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}
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this.graphInstance.fitView();
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}
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onAdd() {
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this.setState(prevState => ({
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...prevState,
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elements: prevState.elements.concat({ data: { id: (prevState.elements.length + 1).toString(), label: 'added', type: 'input' }, position: { x: 50, y: 50 } })
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}))
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}
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render() {
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return (
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<Graph
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elements={this.state.elements}
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onNodeClick={node => console.log(node)}
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style={{ width: '100%', height: '100%' }}
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onLoad={graphInstance => this.onLoad(graphInstance)}
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onChange={(elements) => this.onChange(elements)}
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>
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<button
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type="button"
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style={{ position: 'absolute', right: '10px', bottom: '10px' }}
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onClick={() => this.onFitView()}
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>
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fit
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</button>
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<button
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type="button"
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style={{ position: 'absolute', bottom: '10px', left: '10px' }}
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onClick={() => this.onAdd()}
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>
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add
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</button>
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</Graph>
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);
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}
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}
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export default App;
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