How to implement association and dependency management between nodes in mind maps through Vue and jsmind?

How to implement association and dependency management between nodes in mind maps through Vue and jsmind?

Mind mapping is a tool to visualize the thinking process, which can help us better clarify our thoughts and organize our thinking. During the development process, we often need to implement association and dependency management between nodes in the mind map. This article will introduce how to implement this function through Vue and jsmind libraries, and attach corresponding code examples.

1. Introduction of jsmind library and styles

First, we need to introduce jsmind library and styles. This can be achieved by introducing jsmind.js and jsmind.css into the html file:

<!-- 引入jsmind库 -->
<script src="jsmind.js"></script>

<!-- 引入jsmind样式 -->
<link rel="stylesheet" href="jsmind.css">

2. Create a Vue component

Next, we create a mind map component through Vue. In this component, we use the API provided by the jsmind library to implement association and dependency management between nodes.

<template>
  <div class="mindmap">
    <div ref="mindmapContainer"></div>
  </div>
</template>

<script>
export default {
  mounted() {
    // 创建思维导图实例
    const mindmap = new jsmind(this.$refs.mindmapContainer);

    // 定义思维导图的数据
    const mindmapData = {
      "meta": {
        "name": "思维导图",
        "version": "0.2"
      },
      "format": "node_array",
      "data": [
        {
          "id": "root",
          "isroot": true,  // 根节点
          "topic": "根节点",
          "expanded": true  // 默认展开
        },
        {
          "id": "node1",
          "parentid": "root",
          "topic": "节点1"
        },
        {
          "id": "node2",
          "parentid": "root",
          "topic": "节点2"
        },
        {
          "id": "node3",
          "parentid": "root",
          "topic": "节点3"
        }
      ]
    };

    // 加载思维导图数据
    mindmap.show(mindmapData);

    // 更新节点间的关联关系
    mindmap.add_node("node1", "节点4", "node3");
  }
}
</script>

<style scoped>
.mindmap {
  width: 500px;
  height: 300px;
}
</style>

In the above code, we first create a jsmind instance in the mounted hook function and render it into the specified container. Then, we defined the data of the mind map, including the node id, the parent node id, the node title and other information. Finally, load data through the mindmap.show() method, and add node associations through the mindmap.add_node() method.

3. Run the project

Finally, we can use this component in the Vue project to display the mind map and view the association and dependency management effects between nodes. Just introduce the component in main.js and mount it:

import Vue from 'vue'
import App from './App.vue'

Vue.config.productionTip = false

new Vue({
  render: h => h(App),
}).$mount('#app')

In this way, when the page is loaded, you can see that the relationship between nodes has been displayed in the mind map, and you can add it in the code Flexible addition, modification and deletion.

Summary

Through the Vue and jsmind libraries, we can easily implement the association and dependency management functions between the nodes of the mind map. This article gives a simple implementation example, I hope it can be helpful to you. Of course, you can also make corresponding expansions and adjustments based on actual needs and the complexity of business logic. I wish you good results in your development process!

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