mirror of
https://github.com/wanglin2/mind-map.git
synced 2026-02-21 18:37:43 +08:00
1061 lines
26 KiB
JavaScript
1061 lines
26 KiB
JavaScript
import { v4 as uuidv4 } from 'uuid'
|
||
import {
|
||
nodeDataNoStylePropList,
|
||
selfCloseTagList
|
||
} from '../constants/constant'
|
||
import MersenneTwister from './mersenneTwister'
|
||
// 深度优先遍历树
|
||
export const walk = (
|
||
root,
|
||
parent,
|
||
beforeCallback,
|
||
afterCallback,
|
||
isRoot,
|
||
layerIndex = 0,
|
||
index = 0
|
||
) => {
|
||
let stop = false
|
||
if (beforeCallback) {
|
||
stop = beforeCallback(root, parent, isRoot, layerIndex, index)
|
||
}
|
||
if (!stop && root.children && root.children.length > 0) {
|
||
let _layerIndex = layerIndex + 1
|
||
root.children.forEach((node, nodeIndex) => {
|
||
walk(
|
||
node,
|
||
root,
|
||
beforeCallback,
|
||
afterCallback,
|
||
false,
|
||
_layerIndex,
|
||
nodeIndex
|
||
)
|
||
})
|
||
}
|
||
afterCallback && afterCallback(root, parent, isRoot, layerIndex, index)
|
||
}
|
||
|
||
// 广度优先遍历树
|
||
export const bfsWalk = (root, callback) => {
|
||
let stack = [root]
|
||
let isStop = false
|
||
if (callback(root, null) === 'stop') {
|
||
isStop = true
|
||
}
|
||
while (stack.length) {
|
||
if (isStop) {
|
||
break
|
||
}
|
||
let cur = stack.shift()
|
||
if (cur.children && cur.children.length) {
|
||
cur.children.forEach(item => {
|
||
if (isStop) return
|
||
stack.push(item)
|
||
if (callback(item, cur) === 'stop') {
|
||
isStop = true
|
||
}
|
||
})
|
||
}
|
||
}
|
||
}
|
||
|
||
// 按原比例缩放图片
|
||
export const resizeImgSizeByOriginRatio = (
|
||
width,
|
||
height,
|
||
newWidth,
|
||
newHeight
|
||
) => {
|
||
let arr = []
|
||
let nRatio = width / height
|
||
let mRatio = newWidth / newHeight
|
||
if (nRatio > mRatio) {
|
||
// 固定高度
|
||
arr = [nRatio * newHeight, newHeight]
|
||
} else {
|
||
// 固定宽度
|
||
arr = [newWidth, newWidth / nRatio]
|
||
}
|
||
return arr
|
||
}
|
||
|
||
// 缩放图片尺寸
|
||
export const resizeImgSize = (width, height, maxWidth, maxHeight) => {
|
||
let nRatio = width / height
|
||
let arr = []
|
||
if (maxWidth && maxHeight) {
|
||
if (width <= maxWidth && height <= maxHeight) {
|
||
arr = [width, height]
|
||
} else {
|
||
let mRatio = maxWidth / maxHeight
|
||
if (nRatio > mRatio) {
|
||
// 固定高度
|
||
arr = [nRatio * maxHeight, maxHeight]
|
||
} else {
|
||
// 固定宽度
|
||
arr = [maxWidth, maxWidth / nRatio]
|
||
}
|
||
}
|
||
} else if (maxWidth) {
|
||
if (width <= maxWidth) {
|
||
arr = [width, height]
|
||
} else {
|
||
arr = [maxWidth, maxWidth / nRatio]
|
||
}
|
||
} else if (maxHeight) {
|
||
if (height <= maxHeight) {
|
||
arr = [width, height]
|
||
} else {
|
||
arr = [nRatio * maxHeight, maxHeight]
|
||
}
|
||
}
|
||
return arr
|
||
}
|
||
|
||
// 缩放图片
|
||
export const resizeImg = (imgUrl, maxWidth, maxHeight) => {
|
||
return new Promise((resolve, reject) => {
|
||
let img = new Image()
|
||
img.src = imgUrl
|
||
img.onload = () => {
|
||
let arr = resizeImgSize(
|
||
img.naturalWidth,
|
||
img.naturalHeight,
|
||
maxWidth,
|
||
maxHeight
|
||
)
|
||
resolve(arr)
|
||
}
|
||
img.onerror = e => {
|
||
reject(e)
|
||
}
|
||
})
|
||
}
|
||
|
||
// 从头html结构字符串里获取带换行符的字符串
|
||
export const getStrWithBrFromHtml = str => {
|
||
str = str.replace(/<br>/gim, '\n')
|
||
let el = document.createElement('div')
|
||
el.innerHTML = str
|
||
str = el.textContent
|
||
return str
|
||
}
|
||
|
||
// 极简的深拷贝
|
||
export const simpleDeepClone = data => {
|
||
try {
|
||
return JSON.parse(JSON.stringify(data))
|
||
} catch (error) {
|
||
return null
|
||
}
|
||
}
|
||
|
||
// 复制渲染树数据
|
||
export const copyRenderTree = (tree, root, removeActiveState = false) => {
|
||
tree.data = simpleDeepClone(root.data)
|
||
if (removeActiveState) {
|
||
tree.data.isActive = false
|
||
if (tree.data.generalization) {
|
||
tree.data.generalization.isActive = false
|
||
}
|
||
}
|
||
tree.children = []
|
||
if (root.children && root.children.length > 0) {
|
||
root.children.forEach((item, index) => {
|
||
tree.children[index] = copyRenderTree({}, item, removeActiveState)
|
||
})
|
||
}
|
||
return tree
|
||
}
|
||
|
||
// 复制节点树数据
|
||
export const copyNodeTree = (
|
||
tree,
|
||
root,
|
||
removeActiveState = false,
|
||
removeId = true
|
||
) => {
|
||
tree.data = simpleDeepClone(root.nodeData ? root.nodeData.data : root.data)
|
||
// 移除节点uid
|
||
if (removeId) {
|
||
delete tree.data.uid
|
||
} else if (!tree.data.uid) {
|
||
// 否则保留或生成
|
||
tree.data.uid = createUid()
|
||
}
|
||
if (removeActiveState) {
|
||
tree.data.isActive = false
|
||
}
|
||
tree.children = []
|
||
if (root.children && root.children.length > 0) {
|
||
root.children.forEach((item, index) => {
|
||
tree.children[index] = copyNodeTree({}, item, removeActiveState, removeId)
|
||
})
|
||
} else if (
|
||
root.nodeData &&
|
||
root.nodeData.children &&
|
||
root.nodeData.children.length > 0
|
||
) {
|
||
root.nodeData.children.forEach((item, index) => {
|
||
tree.children[index] = copyNodeTree({}, item, removeActiveState, removeId)
|
||
})
|
||
}
|
||
return tree
|
||
}
|
||
|
||
// 图片转成dataURL
|
||
export const imgToDataUrl = src => {
|
||
return new Promise((resolve, reject) => {
|
||
const img = new Image()
|
||
// 跨域图片需要添加这个属性，否则画布被污染了无法导出图片
|
||
img.setAttribute('crossOrigin', 'anonymous')
|
||
img.onload = () => {
|
||
try {
|
||
let canvas = document.createElement('canvas')
|
||
canvas.width = img.width
|
||
canvas.height = img.height
|
||
let ctx = canvas.getContext('2d')
|
||
// 图片绘制到canvas里
|
||
ctx.drawImage(img, 0, 0, img.width, img.height)
|
||
resolve(canvas.toDataURL())
|
||
} catch (e) {
|
||
reject(e)
|
||
}
|
||
}
|
||
img.onerror = e => {
|
||
reject(e)
|
||
}
|
||
img.src = src
|
||
})
|
||
}
|
||
|
||
// 解析dataUrl
|
||
export const parseDataUrl = data => {
|
||
if (!/^data:/.test(data)) return data
|
||
let [typeStr, base64] = data.split(',')
|
||
let res = /^data:[^/]+\/([^;]+);/.exec(typeStr)
|
||
let type = res[1]
|
||
return {
|
||
type,
|
||
base64
|
||
}
|
||
}
|
||
|
||
// 下载文件
|
||
export const downloadFile = (file, fileName) => {
|
||
let a = document.createElement('a')
|
||
a.href = file
|
||
a.download = fileName
|
||
a.click()
|
||
}
|
||
|
||
// 节流函数
|
||
export const throttle = (fn, time = 300, ctx) => {
|
||
let timer = null
|
||
return (...args) => {
|
||
if (timer) {
|
||
return
|
||
}
|
||
timer = setTimeout(() => {
|
||
fn.call(ctx, ...args)
|
||
timer = null
|
||
}, time)
|
||
}
|
||
}
|
||
|
||
// 异步执行任务队列
|
||
export const asyncRun = (taskList, callback = () => {}) => {
|
||
let index = 0
|
||
let len = taskList.length
|
||
if (len <= 0) {
|
||
return callback()
|
||
}
|
||
let loop = () => {
|
||
if (index >= len) {
|
||
callback()
|
||
return
|
||
}
|
||
taskList[index]()
|
||
setTimeout(() => {
|
||
index++
|
||
loop()
|
||
}, 0)
|
||
}
|
||
loop()
|
||
}
|
||
|
||
// 角度转弧度
|
||
export const degToRad = deg => {
|
||
return deg * (Math.PI / 180)
|
||
}
|
||
|
||
// 驼峰转连字符
|
||
export const camelCaseToHyphen = str => {
|
||
return str.replace(/([a-z])([A-Z])/g, (...args) => {
|
||
return args[1] + '-' + args[2].toLowerCase()
|
||
})
|
||
}
|
||
|
||
//计算节点的文本长宽
|
||
let measureTextContext = null
|
||
export const measureText = (text, { italic, bold, fontSize, fontFamily }) => {
|
||
const font = joinFontStr({
|
||
italic,
|
||
bold,
|
||
fontSize,
|
||
fontFamily
|
||
})
|
||
if (!measureTextContext) {
|
||
const canvas = document.createElement('canvas')
|
||
measureTextContext = canvas.getContext('2d')
|
||
}
|
||
measureTextContext.save()
|
||
measureTextContext.font = font
|
||
const { width, actualBoundingBoxAscent, actualBoundingBoxDescent } =
|
||
measureTextContext.measureText(text)
|
||
measureTextContext.restore()
|
||
const height = actualBoundingBoxAscent + actualBoundingBoxDescent
|
||
return { width, height }
|
||
}
|
||
|
||
// 拼接font字符串
|
||
export const joinFontStr = ({ italic, bold, fontSize, fontFamily }) => {
|
||
return `${italic ? 'italic ' : ''} ${
|
||
bold ? 'bold ' : ''
|
||
} ${fontSize}px ${fontFamily} `
|
||
}
|
||
|
||
// 在下一个事件循环里执行任务
|
||
export const nextTick = function (fn, ctx) {
|
||
let pending = false
|
||
let timerFunc = null
|
||
let handle = () => {
|
||
pending = false
|
||
ctx ? fn.call(ctx) : fn()
|
||
}
|
||
// 支持MutationObserver接口的话使用MutationObserver
|
||
if (typeof MutationObserver !== 'undefined') {
|
||
let counter = 1
|
||
let observer = new MutationObserver(handle)
|
||
let textNode = document.createTextNode(counter)
|
||
observer.observe(textNode, {
|
||
characterData: true // 设为 true 表示监视指定目标节点或子节点树中节点所包含的字符数据的变化
|
||
})
|
||
timerFunc = function () {
|
||
counter = (counter + 1) % 2 // counter会在0和1两者循环变化
|
||
textNode.data = counter // 节点变化会触发回调handle，
|
||
}
|
||
} else {
|
||
// 否则使用定时器
|
||
timerFunc = setTimeout
|
||
}
|
||
return function () {
|
||
if (pending) return
|
||
pending = true
|
||
timerFunc(handle, 0)
|
||
}
|
||
}
|
||
|
||
// 检查节点是否超出画布
|
||
export const checkNodeOuter = (mindMap, node) => {
|
||
let elRect = mindMap.elRect
|
||
let { scaleX, scaleY, translateX, translateY } = mindMap.draw.transform()
|
||
let { left, top, width, height } = node
|
||
let right = (left + width) * scaleX + translateX
|
||
let bottom = (top + height) * scaleY + translateY
|
||
left = left * scaleX + translateX
|
||
top = top * scaleY + translateY
|
||
let offsetLeft = 0
|
||
let offsetTop = 0
|
||
if (left < 0) {
|
||
offsetLeft = -left
|
||
}
|
||
if (right > elRect.width) {
|
||
offsetLeft = -(right - elRect.width)
|
||
}
|
||
if (top < 0) {
|
||
offsetTop = -top
|
||
}
|
||
if (bottom > elRect.height) {
|
||
offsetTop = -(bottom - elRect.height)
|
||
}
|
||
return {
|
||
isOuter: offsetLeft !== 0 || offsetTop !== 0,
|
||
offsetLeft,
|
||
offsetTop
|
||
}
|
||
}
|
||
|
||
// 提取html字符串里的纯文本
|
||
let getTextFromHtmlEl = null
|
||
export const getTextFromHtml = html => {
|
||
if (!getTextFromHtmlEl) {
|
||
getTextFromHtmlEl = document.createElement('div')
|
||
}
|
||
getTextFromHtmlEl.innerHTML = html
|
||
return getTextFromHtmlEl.textContent
|
||
}
|
||
|
||
// 将blob转成data:url
|
||
export const readBlob = blob => {
|
||
return new Promise((resolve, reject) => {
|
||
let reader = new FileReader()
|
||
reader.onload = evt => {
|
||
resolve(evt.target.result)
|
||
}
|
||
reader.onerror = err => {
|
||
reject(err)
|
||
}
|
||
reader.readAsDataURL(blob)
|
||
})
|
||
}
|
||
|
||
// 将dom节点转换成html字符串
|
||
let nodeToHTMLWrapEl = null
|
||
export const nodeToHTML = node => {
|
||
if (!nodeToHTMLWrapEl) {
|
||
nodeToHTMLWrapEl = document.createElement('div')
|
||
}
|
||
nodeToHTMLWrapEl.innerHTML = ''
|
||
nodeToHTMLWrapEl.appendChild(node)
|
||
return nodeToHTMLWrapEl.innerHTML
|
||
}
|
||
|
||
// 获取图片大小
|
||
export const getImageSize = src => {
|
||
return new Promise(resolve => {
|
||
let img = new Image()
|
||
img.src = src
|
||
img.onload = () => {
|
||
resolve({
|
||
width: img.width,
|
||
height: img.height
|
||
})
|
||
}
|
||
img.onerror = () => {
|
||
resolve({
|
||
width: 0,
|
||
height: 0
|
||
})
|
||
}
|
||
})
|
||
}
|
||
|
||
// 创建节点唯一的id
|
||
export const createUid = () => {
|
||
return uuidv4()
|
||
}
|
||
|
||
// 加载图片文件
|
||
export const loadImage = imgFile => {
|
||
return new Promise((resolve, reject) => {
|
||
let fr = new FileReader()
|
||
fr.readAsDataURL(imgFile)
|
||
fr.onload = async e => {
|
||
let url = e.target.result
|
||
let size = await getImageSize(url)
|
||
resolve({
|
||
url,
|
||
size
|
||
})
|
||
}
|
||
fr.onerror = error => {
|
||
reject(error)
|
||
}
|
||
})
|
||
}
|
||
|
||
// 移除字符串中的html实体
|
||
export const removeHTMLEntities = str => {
|
||
;[[' ', ' ']].forEach(item => {
|
||
str = str.replaceAll(item[0], item[1])
|
||
})
|
||
return str
|
||
}
|
||
|
||
// 获取一个数据的类型
|
||
export const getType = data => {
|
||
return Object.prototype.toString.call(data).slice(8, -1)
|
||
}
|
||
|
||
// 判断一个数据是否是null和undefined和空字符串
|
||
export const isUndef = data => {
|
||
return data === null || data === undefined || data === ''
|
||
}
|
||
|
||
// 移除html字符串中节点的内联样式
|
||
export const removeHtmlStyle = html => {
|
||
return html.replaceAll(/(<[^\s]+)\s+style=["'][^'"]+["']\s*(>)/g, '$1$2')
|
||
}
|
||
|
||
// 给html标签中指定的标签添加内联样式
|
||
export const addHtmlStyle = (html, tag, style) => {
|
||
const reg = new RegExp(`(<${tag}[^>]*)(>[^<>]*</${tag}>)`, 'g')
|
||
return html.replaceAll(reg, `$1 style="${style}"$2`)
|
||
}
|
||
|
||
// 检查一个字符串是否是富文本字符
|
||
let checkIsRichTextEl = null
|
||
export const checkIsRichText = str => {
|
||
if (!checkIsRichTextEl) {
|
||
checkIsRichTextEl = document.createElement('div')
|
||
}
|
||
checkIsRichTextEl.innerHTML = str
|
||
for (let c = checkIsRichTextEl.childNodes, i = c.length; i--; ) {
|
||
if (c[i].nodeType == 1) return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
// 搜索和替换html字符串中指定的文本
|
||
let replaceHtmlTextEl = null
|
||
export const replaceHtmlText = (html, searchText, replaceText) => {
|
||
if (!replaceHtmlTextEl) {
|
||
replaceHtmlTextEl = document.createElement('div')
|
||
}
|
||
replaceHtmlTextEl.innerHTML = html
|
||
let walk = root => {
|
||
let childNodes = root.childNodes
|
||
childNodes.forEach(node => {
|
||
if (node.nodeType === 1) {
|
||
// 元素节点
|
||
walk(node)
|
||
} else if (node.nodeType === 3) {
|
||
// 文本节点
|
||
root.replaceChild(
|
||
document.createTextNode(
|
||
node.nodeValue.replaceAll(searchText, replaceText)
|
||
),
|
||
node
|
||
)
|
||
}
|
||
})
|
||
}
|
||
walk(replaceHtmlTextEl)
|
||
return replaceHtmlTextEl.innerHTML
|
||
}
|
||
|
||
// 判断一个颜色是否是白色
|
||
export const isWhite = color => {
|
||
color = String(color).replaceAll(/\s+/g, '')
|
||
return (
|
||
['#fff', '#ffffff', '#FFF', '#FFFFFF', 'rgb(255,255,255)'].includes(
|
||
color
|
||
) || /rgba\(255,255,255,[^)]+\)/.test(color)
|
||
)
|
||
}
|
||
|
||
// 判断一个颜色是否是透明
|
||
export const isTransparent = color => {
|
||
color = String(color).replaceAll(/\s+/g, '')
|
||
return (
|
||
['', 'transparent'].includes(color) || /rgba\(\d+,\d+,\d+,0\)/.test(color)
|
||
)
|
||
}
|
||
|
||
// 从当前主题里获取一个非透明非白色的颜色
|
||
export const getVisibleColorFromTheme = themeConfig => {
|
||
let { lineColor, root, second, node } = themeConfig
|
||
let list = [
|
||
lineColor,
|
||
root.fillColor,
|
||
root.color,
|
||
second.fillColor,
|
||
second.color,
|
||
node.fillColor,
|
||
node.color,
|
||
root.borderColor,
|
||
second.borderColor,
|
||
node.borderColor
|
||
]
|
||
for (let i = 0; i < list.length; i++) {
|
||
let color = list[i]
|
||
if (!isTransparent(color) && !isWhite(color)) {
|
||
return color
|
||
}
|
||
}
|
||
}
|
||
|
||
// 将<p><span></span><p>形式的节点富文本内容转换成\n换行的文本
|
||
let nodeRichTextToTextWithWrapEl = null
|
||
export const nodeRichTextToTextWithWrap = html => {
|
||
if (!nodeRichTextToTextWithWrapEl) {
|
||
nodeRichTextToTextWithWrapEl = document.createElement('div')
|
||
}
|
||
nodeRichTextToTextWithWrapEl.innerHTML = html
|
||
const childNodes = nodeRichTextToTextWithWrapEl.childNodes
|
||
let res = ''
|
||
for (let i = 0; i < childNodes.length; i++) {
|
||
const node = childNodes[i]
|
||
if (node.nodeType === 1) {
|
||
// 元素节点
|
||
if (node.tagName.toLowerCase() === 'p') {
|
||
res += node.textContent + '\n'
|
||
} else {
|
||
res += node.textContent
|
||
}
|
||
} else if (node.nodeType === 3) {
|
||
// 文本节点
|
||
res += node.nodeValue
|
||
}
|
||
}
|
||
return res.replace(/\n$/, '')
|
||
}
|
||
|
||
// 将<br>换行的文本转换成<p><span></span><p>形式的节点富文本内容
|
||
let textToNodeRichTextWithWrapEl = null
|
||
export const textToNodeRichTextWithWrap = html => {
|
||
if (!textToNodeRichTextWithWrapEl) {
|
||
textToNodeRichTextWithWrapEl = document.createElement('div')
|
||
}
|
||
textToNodeRichTextWithWrapEl.innerHTML = html
|
||
const childNodes = textToNodeRichTextWithWrapEl.childNodes
|
||
let list = []
|
||
let str = ''
|
||
for (let i = 0; i < childNodes.length; i++) {
|
||
const node = childNodes[i]
|
||
if (node.nodeType === 1) {
|
||
// 元素节点
|
||
if (node.tagName.toLowerCase() === 'br') {
|
||
list.push(str)
|
||
str = ''
|
||
} else {
|
||
str += node.textContent
|
||
}
|
||
} else if (node.nodeType === 3) {
|
||
// 文本节点
|
||
str += node.nodeValue
|
||
}
|
||
}
|
||
if (str) {
|
||
list.push(str)
|
||
}
|
||
return list
|
||
.map(item => {
|
||
return `<p><span>${htmlEscape(item)}</span></p>`
|
||
})
|
||
.join('')
|
||
}
|
||
|
||
// 判断是否是移动端环境
|
||
export const isMobile = () => {
|
||
return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(
|
||
navigator.userAgent
|
||
)
|
||
}
|
||
|
||
// 获取对象改变了的的属性
|
||
export const getObjectChangedProps = (oldObject, newObject) => {
|
||
const res = {}
|
||
Object.keys(newObject).forEach(prop => {
|
||
const oldVal = oldObject[prop]
|
||
const newVal = newObject[prop]
|
||
if (getType(oldVal) !== getType(newVal)) {
|
||
res[prop] = newVal
|
||
return
|
||
}
|
||
if (getType(oldVal) === 'Object') {
|
||
if (JSON.stringify(oldVal) !== JSON.stringify(newVal)) {
|
||
res[prop] = newVal
|
||
return
|
||
}
|
||
} else {
|
||
if (oldVal !== newVal) {
|
||
res[prop] = newVal
|
||
return
|
||
}
|
||
}
|
||
})
|
||
return res
|
||
}
|
||
|
||
// 判断一个字段是否是节点数据中的样式字段
|
||
export const checkIsNodeStyleDataKey = key => {
|
||
// 用户自定义字段
|
||
if (/^_/.test(key)) return false
|
||
// 不在节点非样式字段列表里，那么就是样式字段
|
||
if (!nodeDataNoStylePropList.includes(key)) {
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
// 合并图标数组
|
||
// const data = [
|
||
// { type: 'priority', name: '优先级图标', list: [{ name: '1', icon: 'a' }, { name: 2, icon: 'b' }] },
|
||
// { type: 'priority', name: '优先级图标', list: [{ name: '2', icon: 'c' }, { name: 3, icon: 'd' }] },
|
||
// ];
|
||
|
||
// mergerIconList(data) 结果
|
||
|
||
// [
|
||
// { type: 'priority', name: '优先级图标', list: [{ name: '1', icon: 'a' }, { name: 2, icon: 'c' }, { name: 3, icon: 'd' }] },
|
||
// ]
|
||
export const mergerIconList = list => {
|
||
return list.reduce((result, item) => {
|
||
const existingItem = result.find(x => x.type === item.type)
|
||
if (existingItem) {
|
||
item.list.forEach(newObj => {
|
||
const existingObj = existingItem.list.find(x => x.name === newObj.name)
|
||
if (existingObj) {
|
||
existingObj.icon = newObj.icon
|
||
} else {
|
||
existingItem.list.push(newObj)
|
||
}
|
||
})
|
||
} else {
|
||
result.push({ ...item })
|
||
}
|
||
return result
|
||
}, [])
|
||
}
|
||
|
||
// 从节点实例列表里找出顶层的节点
|
||
export const getTopAncestorsFomNodeList = list => {
|
||
let res = []
|
||
list.forEach(node => {
|
||
if (
|
||
!list.find(item => {
|
||
return item.uid !== node.uid && item.isAncestor(node)
|
||
})
|
||
) {
|
||
res.push(node)
|
||
}
|
||
})
|
||
return res
|
||
}
|
||
|
||
// 从给定的节点实例列表里判断是否存在上下级关系
|
||
export const checkHasSupSubRelation = list => {
|
||
for (let i = 0; i < list.length; i++) {
|
||
const cur = list[i]
|
||
if (
|
||
list.find(item => {
|
||
return item.uid !== cur.uid && cur.isAncestor(item)
|
||
})
|
||
) {
|
||
return true
|
||
}
|
||
}
|
||
return false
|
||
}
|
||
|
||
// 解析要添加概要的节点实例列表
|
||
export const parseAddGeneralizationNodeList = list => {
|
||
const cache = {}
|
||
const uidToParent = {}
|
||
list.forEach(node => {
|
||
const parent = node.parent
|
||
if (parent) {
|
||
const pUid = parent.uid
|
||
uidToParent[pUid] = parent
|
||
const index = node.getIndexInBrothers()
|
||
const data = {
|
||
node,
|
||
index
|
||
}
|
||
if (cache[pUid]) {
|
||
if (
|
||
!cache[pUid].find(item => {
|
||
return item.index === data.index
|
||
})
|
||
) {
|
||
cache[pUid].push(data)
|
||
}
|
||
} else {
|
||
cache[pUid] = [data]
|
||
}
|
||
}
|
||
})
|
||
const res = []
|
||
Object.keys(cache).forEach(uid => {
|
||
if (cache[uid].length > 1) {
|
||
const rangeList = cache[uid]
|
||
.map(item => {
|
||
return item.index
|
||
})
|
||
.sort((a, b) => {
|
||
return a - b
|
||
})
|
||
res.push({
|
||
node: uidToParent[uid],
|
||
range: [rangeList[0], rangeList[rangeList.length - 1]]
|
||
})
|
||
} else {
|
||
res.push({
|
||
node: cache[uid][0].node
|
||
})
|
||
}
|
||
})
|
||
return res
|
||
}
|
||
|
||
// 判断两个矩形是否重叠
|
||
export const checkTwoRectIsOverlap = (
|
||
minx1,
|
||
maxx1,
|
||
miny1,
|
||
maxy1,
|
||
minx2,
|
||
maxx2,
|
||
miny2,
|
||
maxy2
|
||
) => {
|
||
return maxx1 > minx2 && maxx2 > minx1 && maxy1 > miny2 && maxy2 > miny1
|
||
}
|
||
|
||
// 聚焦指定输入框
|
||
export const focusInput = el => {
|
||
let selection = window.getSelection()
|
||
let range = document.createRange()
|
||
range.selectNodeContents(el)
|
||
range.collapse()
|
||
selection.removeAllRanges()
|
||
selection.addRange(range)
|
||
}
|
||
|
||
// 聚焦全选指定输入框
|
||
export const selectAllInput = el => {
|
||
let selection = window.getSelection()
|
||
let range = document.createRange()
|
||
range.selectNodeContents(el)
|
||
selection.removeAllRanges()
|
||
selection.addRange(range)
|
||
}
|
||
|
||
// 给指定的节点列表树数据添加附加数据，会修改原数据
|
||
export const addDataToAppointNodes = (appointNodes, data = {}) => {
|
||
const walk = list => {
|
||
list.forEach(node => {
|
||
node.data = {
|
||
...node.data,
|
||
...data
|
||
}
|
||
if (node.children && node.children.length > 0) {
|
||
walk(node.children)
|
||
}
|
||
})
|
||
}
|
||
walk(appointNodes)
|
||
return appointNodes
|
||
}
|
||
|
||
// 给指定的节点列表树数据添加uid，会修改原数据
|
||
// createNewId默认为false，即如果节点不存在uid的话，会创建新的uid。如果传true，那么无论节点数据原来是否存在uid，都会创建新的uid
|
||
export const createUidForAppointNodes = (appointNodes, createNewId = false) => {
|
||
const walk = list => {
|
||
list.forEach(node => {
|
||
if (!node.data) {
|
||
node.data = {}
|
||
}
|
||
if (createNewId || isUndef(node.data.uid)) {
|
||
node.data.uid = createUid()
|
||
}
|
||
if (node.children && node.children.length > 0) {
|
||
walk(node.children)
|
||
}
|
||
})
|
||
}
|
||
walk(appointNodes)
|
||
return appointNodes
|
||
}
|
||
|
||
// 传入一个数据，如果该数据是数组，那么返回该数组，否则返回一个以该数据为成员的数组
|
||
export const formatDataToArray = data => {
|
||
if (!data) return []
|
||
return Array.isArray(data) ? data : [data]
|
||
}
|
||
|
||
// 获取节点在同级里的位置索引
|
||
export const getNodeDataIndex = node => {
|
||
return node.parent
|
||
? node.parent.nodeData.children.findIndex(item => {
|
||
return item.data.uid === node.uid
|
||
})
|
||
: 0
|
||
}
|
||
|
||
// 从一个节点列表里找出某个节点的索引
|
||
export const getNodeIndexInNodeList = (node, nodeList) => {
|
||
return nodeList.findIndex(item => {
|
||
return item.uid === node.uid
|
||
})
|
||
}
|
||
|
||
// 根据内容生成颜色
|
||
export const generateColorByContent = str => {
|
||
let hash = 0
|
||
for (let i = 0; i < str.length; i++) {
|
||
hash = str.charCodeAt(i) + ((hash << 5) - hash)
|
||
}
|
||
// 这里使用伪随机数的原因是因为
|
||
// 1. 如果字符串的内容差不多，根据hash生产的颜色就比较相近，不好区分，比如v1.1 v1.2，所以需要加入随机数来使得颜色能够区分开
|
||
// 2. 普通的随机数每次数值不一样，就会导致每次新增标签原来的标签颜色就会发生改变，所以加入了这个方法，使得内容不变随机数也不变
|
||
const rng = new MersenneTwister(hash)
|
||
const h = rng.genrand_int32() % 360
|
||
return 'hsla(' + h + ', 50%, 50%, 1)'
|
||
}
|
||
|
||
// html转义
|
||
export const htmlEscape = str => {
|
||
;[
|
||
['&', '&'],
|
||
['<', '<'],
|
||
['>', '>']
|
||
].forEach(item => {
|
||
str = str.replace(new RegExp(item[0], 'g'), item[1])
|
||
})
|
||
return str
|
||
}
|
||
|
||
// 判断两个对象是否相同，只处理对象或数组
|
||
export const isSameObject = (a, b) => {
|
||
const type = getType(a)
|
||
// a、b类型不一致，那么肯定不相同
|
||
if (type !== getType(b)) return false
|
||
// 如果都是对象
|
||
if (type === 'Object') {
|
||
const keysa = Object.keys(a)
|
||
const keysb = Object.keys(b)
|
||
// 对象字段数量不一样，肯定不相同
|
||
if (keysa.length !== keysb.length) return false
|
||
// 字段数量一样，那么需要遍历字段进行判断
|
||
for (let i = 0; i < keysa.length; i++) {
|
||
const key = keysa[i]
|
||
// b没有a的一个字段，那么肯定不相同
|
||
if (!keysb.includes(key)) return false
|
||
// 字段名称一样，那么需要递归判断它们的值
|
||
const isSame = isSameObject(a[key], b[key])
|
||
if (!isSame) {
|
||
return false
|
||
}
|
||
}
|
||
return true
|
||
} else if (type === 'Array') {
|
||
// 如果都是数组
|
||
// 数组长度不一样，肯定不相同
|
||
if (a.length !== b.length) return false
|
||
// 长度一样，那么需要遍历进行判断
|
||
for (let i = 0; i < a.length; i++) {
|
||
const itema = a[i]
|
||
const itemb = b[i]
|
||
const typea = getType(itema)
|
||
const typeb = getType(itemb)
|
||
if (typea !== typeb) return false
|
||
const isSame = isSameObject(itema, itemb)
|
||
if (!isSame) {
|
||
return false
|
||
}
|
||
}
|
||
return true
|
||
} else {
|
||
// 其他类型，直接全等判断
|
||
return a === b
|
||
}
|
||
}
|
||
|
||
// 将数据设置到用户剪切板中
|
||
export const setDataToClipboard = data => {
|
||
if (navigator.clipboard) {
|
||
navigator.clipboard.writeText(JSON.stringify(data))
|
||
}
|
||
}
|
||
|
||
// 从用户剪贴板中读取文字和图片
|
||
export const getDataFromClipboard = async () => {
|
||
let text = null
|
||
let img = null
|
||
if (navigator.clipboard) {
|
||
text = await navigator.clipboard.readText()
|
||
const items = await navigator.clipboard.read()
|
||
if (items && items.length > 0) {
|
||
for (const clipboardItem of items) {
|
||
for (const type of clipboardItem.types) {
|
||
if (/^image\//.test(type)) {
|
||
img = await clipboardItem.getType(type)
|
||
break
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return {
|
||
text,
|
||
img
|
||
}
|
||
}
|
||
|
||
// 从节点的父节点的nodeData.children列表中移除该节点的数据
|
||
export const removeFromParentNodeData = node => {
|
||
if (!node || !node.parent) return
|
||
const index = getNodeDataIndex(node)
|
||
if (index === -1) return
|
||
node.parent.nodeData.children.splice(index, 1)
|
||
}
|
||
|
||
// 给html自闭合标签添加闭合状态
|
||
export const handleSelfCloseTags = str => {
|
||
selfCloseTagList.forEach(tagName => {
|
||
str = str.replaceAll(
|
||
new RegExp(`<${tagName}([^>]*)>`, 'g'),
|
||
`<${tagName} $1 />`
|
||
)
|
||
})
|
||
return str
|
||
}
|
||
|
||
// 检查两个节点列表是否包含的节点是一样的
|
||
export const checkNodeListIsEqual = (list1, list2) => {
|
||
if (list1.length !== list2.length) return false
|
||
for (let i = 0; i < list1.length; i++) {
|
||
if (
|
||
!list2.find(item => {
|
||
return item.uid === list1[i].uid
|
||
})
|
||
) {
|
||
return false
|
||
}
|
||
}
|
||
return true
|
||
}
|
||
|
||
// 获取浏览器的chrome内核版本
|
||
export const getChromeVersion = () => {
|
||
const match = navigator.userAgent.match(/\s+Chrome\/(.*)\s+/)
|
||
if (match && match[1]) {
|
||
return Number.parseFloat(match[1])
|
||
}
|
||
return ''
|
||
}
|
||
|
||
// 创建smm粘贴的粘贴数据
|
||
export const createSmmFormatData = data => {
|
||
return {
|
||
simpleMindMap: true,
|
||
data
|
||
}
|
||
}
|
||
|
||
// 检查是否是smm粘贴格式的数据
|
||
export const checkSmmFormatData = data => {
|
||
let smmData = null
|
||
// 如果是字符串，则尝试解析为对象
|
||
if (typeof data === 'string') {
|
||
try {
|
||
const parsedData = JSON.parse(data)
|
||
// 判断是否是对象，且存在属性标志
|
||
if (typeof parsedData === 'object' && parsedData.simpleMindMap) {
|
||
smmData = parsedData.data
|
||
}
|
||
} catch (error) {}
|
||
} else if (typeof data === 'object' && data.simpleMindMap) {
|
||
// 否则如果是对象，则检查属性标志
|
||
smmData = data.data
|
||
}
|
||
const isSmm = !!smmData
|
||
return {
|
||
isSmm,
|
||
data: isSmm ? smmData : String(data)
|
||
}
|
||
}
|