65 lines
1.9 KiB
TypeScript
65 lines
1.9 KiB
TypeScript
import RevueFlow, {
|
|
removeElements,
|
|
addEdge,
|
|
MiniMap,
|
|
Controls,
|
|
Background,
|
|
OnLoadParams,
|
|
Elements,
|
|
ElementId,
|
|
Node,
|
|
FlowElement,
|
|
BackgroundVariant,
|
|
Connection,
|
|
Edge
|
|
} from '../../src'
|
|
import { CSSProperties, defineComponent, ref } from 'vue'
|
|
|
|
const onLoad = (reactFlowInstance: OnLoadParams) => console.log('flow loaded:', reactFlowInstance)
|
|
const onElementClick = (_: MouseEvent, element: FlowElement) => console.log('click', element)
|
|
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node)
|
|
|
|
const buttonStyle: CSSProperties = { position: 'absolute', left: '10px', top: '10px', zIndex: 4 }
|
|
|
|
const EmptyFlow = defineComponent({
|
|
setup() {
|
|
{
|
|
const elements = ref<Elements>([])
|
|
const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
|
|
const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
|
|
|
|
const addRandomNode = () => {
|
|
const nodeId: ElementId = (elements.value.length + 1).toString()
|
|
const newNode: Node = {
|
|
id: nodeId,
|
|
data: { label: `Node: ${nodeId}` },
|
|
position: { x: Math.random() * window.innerWidth, y: Math.random() * window.innerHeight }
|
|
} as Node
|
|
elements.value = [...elements.value, newNode]
|
|
}
|
|
|
|
return () => (
|
|
<RevueFlow
|
|
v-model={elements.value}
|
|
onLoad={onLoad}
|
|
onElementClick={onElementClick}
|
|
onElementsRemove={onElementsRemove}
|
|
onConnect={(p) => onConnect(p)}
|
|
onNodeDragStop={onNodeDragStop}
|
|
onlyRenderVisibleElements={false}
|
|
>
|
|
<MiniMap />
|
|
<Controls />
|
|
<Background variant={BackgroundVariant.Lines} />
|
|
|
|
<button type="button" onClick={addRandomNode} style={buttonStyle}>
|
|
add node
|
|
</button>
|
|
</RevueFlow>
|
|
)
|
|
}
|
|
}
|
|
})
|
|
|
|
export default EmptyFlow
|