How to use Vue and jsmind to implement collaborative editing and real-time communication functions of mind maps?

How to use Vue and jsmind to implement collaborative editing and real-time communication functions of mind maps?

Overview:
Mind map is a very useful tool that can help people organize and display their thinking logic. Using Vue and jsmind libraries, we can easily implement collaborative editing and real-time communication functions of mind maps. This article will introduce how to use Vue and jsmind for development and provide corresponding code examples.

1. Installing and configuring Vue and jsmind

First, we need to create a Vue project and install the jsmind library.

# 创建Vue项目
vue create mindmap-app

# 安装jsmind
npm install jsmind

Import the jsmind library and related style files into the entry file (main.js) of the Vue project.

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

// 导入jsmind和相关样式
import jsmind from 'jsmind'
import 'jsmind/style/jsmind.css'

Vue.config.productionTip = false

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

2. Create a mind map component

In the components of the Vue project, create a MindMap component for displaying and editing mind maps. In the component, we will use the jsmind library to initialize the mind map and add the corresponding event listener.

<template>
  <div class="mind-map"></div>
</template>

<script>
import jsmind from 'jsmind'

export default {
  name: 'MindMap',
  mounted() {
    // 初始化思维导图
    this.mindMap = jsmind.show({
      container: 'mind-map',
      editable: true,
      theme: 'orange'
    })

    // 监听思维导图的内容变化事件
    this.mindMap.mind.on('update_node', (node) => {
      // 发送更新事件至服务器或其他客户端
      this.$emit('update', this.mindMap.mind.data)
    })

    // 监听来自服务器或其他客户端的更新事件
    this.$on('update', (data) => {
      // 更新思维导图内容
      this.mindMap.mind.show(data)
    })
  }
}
</script>

<style scoped>
.mind-map {
  width: 100%;
  height: 100%;
}
</style>

3. Realizing collaborative editing and real-time communication

In the Vue project, we can use WebSocket or other real-time communication technologies to achieve collaborative editing and real-time communication of mind maps Function. The following is a simple example using WebSocket to synchronize mind map content in real time.

<template>
  <div class="mind-map"></div>
</template>

<script>
import jsmind from 'jsmind'

export default {
  name: 'MindMap',
  data() {
    return {
      webSocket: null
    }
  },
  mounted() {
    // 初始化WebSocket连接
    this.webSocket = new WebSocket('ws://example.com')

    // WebSocket连接成功事件
    this.webSocket.onopen = () => {
      console.log('WebSocket connected')
    }

    // WebSocket消息接收事件
    this.webSocket.onmessage = (event) => {
      const data = JSON.parse(event.data)

      // 更新思维导图内容
      this.$refs.mindMap.$emit('update', data)
    }

    // WebSocket连接关闭事件
    this.webSocket.onclose = () => {
      console.log('WebSocket disconnected')
    }

    // 初始化思维导图
    this.mindMap = jsmind.show({
      container: 'mind-map',
      editable: true,
      theme: 'orange'
    })

    // 监听思维导图的内容变化事件
    this.mindMap.mind.on('update_node', (node) => {
      // 发送更新事件至服务器或其他客户端
      this.webSocket.send(JSON.stringify(this.mindMap.mind.data))
    })
  },
  beforeDestroy() {
    // 关闭WebSocket连接
    this.webSocket.close()
  }
}
</script>

<style scoped>
.mind-map {
  width: 100%;
  height: 100%;
}
</style>

In the above example, we created a WebSocket connection and sent and received messages through WebSocket. When the content of the mind map changes, we send the updated content to the server or other clients, and also receive update messages from the server or other clients.

Summary:
This article introduces the method of using Vue and jsmind library to realize the collaborative editing and real-time communication functions of mind maps, and provides corresponding code examples. By using Vue and jsmind, we can easily create a mind mapping application with collaborative editing and real-time communication capabilities.

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