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Mind Elixir

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中文 README

Mind elixir is a free open source mind map core.

  • Lightweight
  • High performance
  • Framework agnostic
  • Pluginable
  • Export as SVG or PNG
  • Build-in drag and drop / node edit plugin
  • Summarize nodes
  • Styling your node with CSS
  • Undo / Redo
  • Efficient shortcuts
Table of Contents

Try now

mindelixir

https://mind-elixir.com/

Playground

Usage

Install

NPM

npm i mind-elixir -S
import MindElixir from 'mind-elixir'

Script tag

<script src="https://cdn.jsdelivr.net/npm/mind-elixir/dist/MindElixir.js"></script>

Init

<div id="map"></div>
<style>
  #map {
    height: 500px;
    width: 100%;
  }
</style>

Breaking Change since 1.0.0, data should be passed to init(), not options.

import MindElixir from 'mind-elixir'
import example from 'mind-elixir/dist/example1'

let options = {
  el: '#map', // or HTMLDivElement
  direction: MindElixir.LEFT,
  draggable: true, // default true
  contextMenu: true, // default true
  toolBar: true, // default true
  nodeMenu: true, // default true
  keypress: true, // default true
  locale: 'en', // [zh_CN,zh_TW,en,ja,pt,ru] waiting for PRs
  overflowHidden: false, // default false
  mainLinkStyle: 2, // [1,2] default 1
  mouseSelectionButton: 0, // 0 for left button, 2 for right button, default 0
  contextMenuOption: {
    focus: true,
    link: true,
    extend: [
      {
        name: 'Node edit',
        onclick: () => {
          alert('extend menu')
        },
      },
    ],
  },
  before: {
    insertSibling(el, obj) {
      return true
    },
    async addChild(el, obj) {
      await sleep()
      return true
    },
  },
}

let mind = new MindElixir(options)

mind.install(plugin) // install your plugin

// create new map data
const data = MindElixir.new('new topic')
// or `example`
// or the data return from `.getData()`
mind.init(data)

// get a node
MindElixir.E('node-id')

Data Structure

// whole node data structure up to now
const nodeData = {
  topic: 'node topic',
  id: 'bd1c24420cd2c2f5',
  style: { fontSize: '32', color: '#3298db', background: '#ecf0f1' },
  expanded: true,
  parent: null,
  tags: ['Tag'],
  icons: ['😀'],
  hyperLink: 'https://github.com/ssshooter/mind-elixir-core',
  image: {
    url: 'https://raw.githubusercontent.com/ssshooter/mind-elixir-core/master/images/logo2.png', // required
    // you need to query the height and width of the image and calculate the appropriate value to display the image
    height: 90, // required
    width: 90, // required
  },
  children: [
    {
      topic: 'child',
      id: 'xxxx',
      // ...
    },
  ],
}

Event Handling

mind.bus.addListener('operation', operation => {
  console.log(operation)
  // return {
  //   name: action name,
  //   obj: target object
  // }

  // name: [insertSibling|addChild|removeNode|beginEdit|finishEdit]
  // obj: target

  // name: moveNode
  // obj: {from:target1,to:target2}
})

mind.bus.addListener('selectNode', node => {
  console.log(node)
})

mind.bus.addListener('expandNode', node => {
  console.log('expandNode: ', node)
})

Data Export And Import

// data export
const data = mind.getData() // javascript object, see src/example.js
mind.getDataString() // stringify object
mind.getDataMd() // markdown

// data import
// initiate
let mind = new MindElixir(options)
mind.init(data)
// data update
mind.refresh(data)

Operation Guards

let mind = new MindElixir({
  // ...
  before: {
    insertSibling(el, obj) {
      console.log(el, obj)
      if (this.currentNode.nodeObj.parent.root) {
        return false
      }
      return true
    },
    async addChild(el, obj) {
      await sleep()
      if (this.currentNode.nodeObj.parent.root) {
        return false
      }
      return true
    },
  },
})

Export as a Image

const mind = {
  /** mind elixir instance */
}
const downloadPng = async () => {
  const blob = await mind.exportPng() // Get a Blob!
  if (!blob) return
  const url = URL.createObjectURL(blob)
  const a = document.createElement('a')
  a.href = url
  a.download = 'filename.png'
  a.click()
  URL.revokeObjectURL(url)
}

APIs

https://github.com/ssshooter/mind-elixir-core/blob/master/api/mind-elixir.api.md

Theme

const options = {
  // ...
  theme: {
    name: 'Dark',
    // main lines color palette
    palette: ['#848FA0', '#748BE9', '#D2F9FE', '#4145A5', '#789AFA', '#706CF4', '#EF987F', '#775DD5', '#FCEECF', '#DA7FBC'],
    // overwrite css variables
    cssVar: {
      '--main-color': '#ffffff',
      '--main-bgcolor': '#4c4f69',
      '--color': '#cccccc',
      '--bgcolor': '#252526',
      '--panel-color': '255, 255, 255',
      '--panel-bgcolor': '45, 55, 72',
    },
    // all variables see /src/index.less
  },
  // ...
}

// ...

mind.changeTheme({
  name: 'Latte',
  palette: ['#dd7878', '#ea76cb', '#8839ef', '#e64553', '#fe640b', '#df8e1d', '#40a02b', '#209fb5', '#1e66f5', '#7287fd'],
  cssVar: {
    '--main-color': '#444446',
    '--main-bgcolor': '#ffffff',
    '--color': '#777777',
    '--bgcolor': '#f6f6f6',
  },
})

Be aware that Mind Elixir will not observe the change of prefers-color-scheme. Please change the theme manually when the scheme changes.

Shortcuts

Shortcut Function
Enter Insert Sibling Node
Tab Insert Child Node
F1 Center the Map
F2 Begin Editing the Current Node
Select the Previous Sibling Node
Select the Next Sibling Node
← / → Select Parent or First Child
PageUp / Alt + ↑ Move Up Node
PageDown / Alt + ↓ Move Down Node
Ctrl + ↑ Change Layout Pattern to Side
Ctrl + ← Change Layout Pattern to Left
Ctrl + → Change Layout Pattern to Right
Ctrl + C Copy the Current Node
Ctrl + V Paste the Copied Node
Ctrl + "+" Zoom In Mind Map
Ctrl + "-" Zoom Out Mind Map
Ctrl + 0 Reset Zoom Level

Not only core

Development

pnpm i
pnpm dev

Test generated files with dev.dist.ts:

npm run build
npm link
npm link mind-elixir

Thanks

mind-elixir-core's People

Contributors

ssshooter avatar dependabot[bot] avatar micahgodbolt avatar phyng avatar darksoulssssss avatar asith-w avatar lnnnnk avatar malenconiaprincep avatar guilhermebentomarques avatar codacy-badger avatar yurgeman avatar bqx619 avatar

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