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rh-vue3-snakerflow-designer

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情怀!N年前使用的工作流引擎,虽然原作者已经不再维护,但是还是有那么一波人还在使用。个人看来其核心功能尚好,麻雀虽少,五脏俱全,是用来学习工作流引擎的好项目。但其流程设计器所用的技术栈可能就跟不上时代了(2016年前的开源项目)。为了让大伙或自己用得更舒心,或者也为了让更多人认识或重新认识这个工作流引擎。本人就花些许时间,使用现阶段前端主流的技术栈重新开发此款流程设计器。如大家在使用的过程中如有啥问题,欢迎留言或进群交流!

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import { GraphModel, h, NodeConfig, PolygonNode, PolygonNodeModel } from '@logicflow/core' import { nodeStyleHandle } from '../tool' class DecisionModel extends PolygonNodeModel { static extendKey = 'DecisionModel'; constructor (data: NodeConfig, graphModel: GraphModel) { if (!data.text) { data.text = '' } if (data.text && typeof data.text === 'string') { data.text = { value: data.text, x: data.x, y: data.y + 40 } } super(data, graphModel) this.points = [ [25, 0], [50, 25], [25, 50], [0, 25] ] } getNodeStyle (): { [x: string]: any; fill?: string; stroke?: string; strokeWidth?: number; } { const style = super.getNodeStyle() style.fill = '#ffffff' style.stroke = '#efb339' return nodeStyleHandle(this, style) } } class DecisionView extends PolygonNode { static extendKey = 'DecisionNode'; getShape (): h.JSX.Element { const { model } = this.props const { x, y, width, height, points } = model const style = model.getNodeStyle() return h( 'g', { transform: `matrix(1 0 0 1 ${x - width / 2} ${y - height / 2})` }, h('polygon', { ...style, x, y, points }), h('path', { d: 'm 16,15 7.42857142857143,9.714285714285715 -7.42857142857143,9.714285714285715 3.428571428571429,0 5.714285714285715,-7.464228571428572 5.714285714285715,7.464228571428572 3.428571428571429,0 -7.42857142857143,-9.714285714285715 7.42857142857143,-9.714285714285715 -3.428571428571429,0 -5.714285714285715,7.464228571428572 -5.714285714285715,-7.464228571428572 -3.428571428571429,0 z', ...style }) ) } } const Decision = { type: 'snaker:decision', view: DecisionView, model: DecisionModel } export { DecisionView, DecisionModel } export default Decision