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simple-process-designer

v2.0.7

Published

简单好用的图形化流程定义工具, 基于react, 也可用于angular / vue

Downloads

111

Readme

process-designer

介绍

项目需要一款图形化流程定义工具. 由于流程定义工具通常作为流程引擎的附属, 相对项目而言过重. 一款较符合需求的 jsplumb 较庞大, 压缩体积 188KB(而且收费), 所以自己造了个新轮子.\

特点

  • 流程节点可根据需要自行配置
  • 支持react / angular等框架
  • 支持节点自动排列(灵感: 百度脑图)
  • 提供辅助线作图, 很容易对齐
  • 特别适合沿竖直轴线排列的流程图

Install

npm install --save simple-process-designer
or
yarn add simple-process-designer

Usage

React: 参见 example 目录
angular: 参见 example-angular 目录
二者的区别是: react 直接引入组件, angular 需要安装在某个预先存在的 dom 节点上\

第一步: 定义节点模板

const nodeTemplates: PNodeTemplate[] = [
  {
    id: 1,
    type: ElementType.Node,
    label: '操作',
    shape: Shape.Rect,
    dim: { w: 100, h: 30 }
  }
];

第二步: 定义事件

目前内置两个自定义事件:

onActiveNode

// 双击 或 点击 node 上的编辑按钮时 触发此事件 // 回调方法将收到整个 node 节点, 可使用 node 节点的 id, 查找对应的业务对象并弹出编辑框 onActiveNode?: (id: PNodeId) => void;

onDelNode

// 在图中删除节点时调用, 同步调用 对应的 业务对象
onDelNode?: (id: PNodeId) => void;

第三步: 初始化

// angular
// 注意将返回 designerController
// 注意 npm i -S react react-dom
// npm i -D @types/react @types/react-dom
// 在 html 里新建一个节点, 以供安装设计器
// xxx.component.html:
// <div id="xxx" style="width:100%;height:100"></div>
const ProcessDesingerId= 'xxx';
ngAfterViewInit() {
  this.designerController = installProcessDesigner({
    el: ProcessDesingerId,
    config: { nodeTemplates },
    events,
    data: {}    // 可以是空对象, 也可以是上次存入数据库的内容,
    hideEdgeFlagInput: boolean  <== 禁止双击边
  });
}

// react
<ProcessDesigner config={this.config} data={processData} events={events} />

第四步: 编辑, 保存

保存时:

  1. 可以使用 getAllAssoc 方法, 获取全部 节点关联, 并应用到 业务对象上
  2. 可以使用 getDesingerData 方法, 获取 节点设计信息, 以备下次使用

License

MIT © g770728y