98 lines
3.0 KiB
TypeScript
98 lines
3.0 KiB
TypeScript
import RevueFlow, {
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MiniMap,
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Controls,
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Background,
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Connection,
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Edge,
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Elements,
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FlowElement,
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Node,
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OnLoadParams,
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addEdge,
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isNode,
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removeElements
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} from '../../src';
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import { defineComponent, ref } from 'vue';
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const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
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const onElementClick = (_: MouseEvent, element: FlowElement) => console.log('click', element);
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const initialElements: Elements = [
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{ id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 } },
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{ id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 100 } },
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{ id: '3', data: { label: 'Node 3' }, position: { x: 400, y: 100 } },
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{ id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 200 } },
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{ id: 'e1-2', source: '1', target: '2', animated: true },
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{ id: 'e1-3', source: '1', target: '3' }
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];
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const BasicFlow = defineComponent({
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components: { RevueFlow, MiniMap, Controls, Background },
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setup() {
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const elements = ref<Elements>(initialElements);
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const rfInstance = ref<OnLoadParams | null>(null);
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const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value));
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const onConnect = (params: Edge | Connection) => (elements.value = addEdge(params, elements.value));
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const onLoad = (revueFlowInstance: OnLoadParams) => (rfInstance.value = revueFlowInstance);
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const updatePos = () => {
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elements.value = elements.value.map((el) => {
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if (isNode(el)) {
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el.position = {
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x: Math.random() * 400,
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y: Math.random() * 400
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};
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}
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return el;
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});
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};
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const logToObject = () => console.log(rfInstance.value?.toObject());
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const resetTransform = () => rfInstance.value?.setTransform({ x: 0, y: 0, zoom: 1 });
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const toggleClassnames = () => {
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elements.value = elements.value.map((el) => {
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if (isNode(el)) {
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el.className = el.className === 'light' ? 'dark' : 'light';
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}
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return el;
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});
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};
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return () => (
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<RevueFlow
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elements={elements.value}
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onLoad={onLoad}
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onElementClick={onElementClick}
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onElementsRemove={onElementsRemove}
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onConnect={onConnect}
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onNodeDragStop={onNodeDragStop}
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class="revue-flow-basic-example"
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defaultZoom={1.5}
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minZoom={0.2}
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maxZoom={4}
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>
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<MiniMap />
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<Controls />
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<Background color="#aaa" gap={16} />
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<div style={{ position: 'absolute', right: '10px', top: '10px', zIndex: 4 }}>
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<button onClick={resetTransform} style={{ marginRight: '5px' }}>
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reset transform
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</button>
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<button onClick={updatePos} style={{ marginRight: '5px' }}>
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change pos
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</button>
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<button onClick={toggleClassnames} style={{ marginRight: '5px' }}>
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toggle classnames
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</button>
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<button onClick={logToObject}>toObject</button>
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</div>
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</RevueFlow>
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);
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}
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});
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export default BasicFlow;
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