mind-map/simple-mind-map/index.js
2021-06-19 14:04:05 +08:00

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import View from './src/View'
import Event from './src/Event'
import Render from './src/Render'
import merge from 'deepmerge'
import theme from './src/themes'
import Style from './src/Style'
import KeyCommand from './src/KeyCommand'
import Command from './src/Command';
import {
SVG
} from '@svgdotjs/svg.js'
// 默认选项
const defaultOpt = {
// 布局
layout: 'logicalStructure',
// 主题
theme: 'default', // 内置主题default默认主题
// 主题配置,会和所选择的主题进行合并
themeConfig: {},
// 放大缩小的增量比例即step = scaleRatio * width|height
scaleRatio: 0.1
}
/**
* javascript comment
* @Author: 王林25
* @Date: 2021-04-06 11:18:47
* @Desc: 思维导图
*/
class MindMap {
/**
* javascript comment
* @Author: 王林25
* @Date: 2021-04-06 11:19:01
* @Desc: 构造函数
*/
constructor(opt = {}) {
// 合并选项
this.opt = merge(defaultOpt, opt)
// 容器元素
this.el = this.opt.el
let {
width,
height
} = this.el.getBoundingClientRect()
// 画布宽高
this.width = width
this.height = height
// 画笔
this.draw = SVG().addTo(this.el).size(width, height)
// 节点id
this.uid = 0
// 初始化主题
this.initTheme()
// 事件类
this.event = new Event({
mindMap: this
})
// 按键类
this.keyCommand = new KeyCommand({
mindMap: this
})
// 命令类
this.command = new Command({
mindMap: this
})
// 渲染类
this.renderer = new Render({
mindMap: this
})
// 视图操作类
this.view = new View({
mindMap: this,
draw: this.draw
})
// 初始渲染
this.renderer.render()
setTimeout(() => {
this.command.addHistory()
}, 0);
}
/**
* javascript comment
* @Author: 王林25
* @Date: 2021-04-06 18:47:29
* @Desc: 渲染
*/
render() {
this.draw.clear()
this.initTheme()
this.renderer.render()
}
/**
* @Author: 王林
* @Date: 2021-04-24 13:25:50
* @Desc: 监听事件
*/
on(event, fn) {
this.event.on(event, fn)
}
/**
* @Author: 王林
* @Date: 2021-04-24 13:51:35
* @Desc: 触发事件
*/
emit(event, ...args) {
this.event.emit(event, ...args)
}
/**
* @Author: 王林
* @Date: 2021-04-24 13:53:54
* @Desc: 解绑事件
*/
off(event, fn) {
this.event.off(event, fn)
}
/**
* @Author: 王林
* @Date: 2021-05-05 13:32:43
* @Desc: 设置主题
*/
initTheme() {
// 合并主题配置
this.themeConfig = merge(this.opt.theme && theme[this.opt.theme] ? theme[this.opt.theme] : theme.default, this.opt.themeConfig)
// 设置背景样式
Style.setBackgroundStyle(this.el, this.themeConfig)
}
/**
* @Author: 王林
* @Date: 2021-05-05 13:52:08
* @Desc: 设置主题
*/
setTheme(theme) {
this.opt.theme = theme
this.render()
}
/**
* @Author: 王林
* @Date: 2021-05-05 13:50:17
* @Desc: 设置主题配置
*/
setThemeConfig(config) {
this.opt.themeConfig = config
this.render()
}
/**
* @Author: 王林
* @Date: 2021-05-05 14:01:29
* @Desc: 获取某个主题配置值
*/
getThemeConfig(prop) {
return prop === undefined ? this.themeConfig : this.themeConfig[prop]
}
/**
* @Author: 王林
* @Date: 2021-05-04 13:01:00
* @Desc: 执行命令
*/
execCommand(...args) {
this.command.exec(...args)
}
}
export default MindMap