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新增neditor富文本编辑器

old
宇天 2019-07-10 20:28:21 +08:00
parent 263a55b260
commit 6b59093321
4 changed files with 645 additions and 0 deletions

57
src/form/next.js Normal file
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/**
* 未来版表单组件
* @author yutent<yutent@doui.cc>
* @date 2019/07/04 12:03:09
*/
'use strict'
export default class DoInput extends HTMLElement {
constructor() {
super()
console.log('0000')
this.root = this.attachShadow({ mode: 'open' })
this.root.innerHTML = `
<style>
:host {
box-sizing: border-box;
display:flex;
border: 1px solid #e7e8eb;
border-radius: 4px;
}
input {flex:1;padding:0 8px;border: 0;border-radius: 4px;outline:none}
</style>
<input type="text">
`
}
static get observedAttributes() {
return ['type']
}
get value() {
return this.__INPUT__.value
}
set value(val) {
this.__INPUT__.value = val
}
set type(val) {
// console.log('type', val)
this.__INPUT__.setAttribute('type', val)
this.setAttribute('type', val)
}
connectedCallback() {
// console.log('----------', this, this.root.children)
this.__INPUT__ = this.root.children[1]
}
attributeChangedCallback(...args) {
// console.log('======', args)
}
}
customElements.define('do-input', DoInput)

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src/icon.js Normal file

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src/neditor/icon.js Normal file
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/**
* icon字典
* @author yutent<yutent@doui.cc>
* @date 2019/07/08 17:39:11
*/
'use strict'
export default [
{
key: 'font',
path:
'M123.68639053 456.52662723l332.84023669 0 0 110.94674556-110.94674556 0 0 332.84023669-110.94674557 0 0-332.84023669-110.94674556 0zM900.31360947 234.6331361l-218.20118344 0 0 665.68047338-118.31360947 0 0-665.68047338-218.20118342 0 0-110.94674556 554.7337278 0z'
},
{
key: 'color',
path:
'M470.975 137l-214.462 562.5h102l44.513-131.25h217.949l48.038 131.25h102.002l-214.501-562.5h-85.5zM512 256.55l78.525 233.175h-160.538l82.013-233.212zM212 774.5v112.5h599.999v-112.5h-599.999z'
},
{
key: 'bold',
path:
'M584.81777778 724.57443555H414.91000889v-145.63555556H584.81777778c40.29212445 0 72.81777778 32.52565333 72.81777777 72.81777778 0 40.29326222-32.52565333 72.81777778-72.81777777 72.81777778m-169.90776889-436.90666667h145.63555556c40.29212445 0 72.81777778 32.52565333 72.81777777 72.81777778 0 40.29326222-32.52565333 72.81777778-72.81777777 72.81777778h-145.63555556m271.85265778 62.62328889C733.85187555 462.91626666 766.86222222 409.03111111 766.86222222 360.48554666c0-109.71136-84.95445333-194.17998222-194.18112-194.17998222H269.27445333V845.93777777H611.03217778c101.94488889 0 180.10225778-82.52643555 180.10225777-183.98663111 0-73.78830222-41.74848-136.89742222-104.37176888-166.02453333z'
},
{
key: 'image',
path:
'M552.0003125 392h219.999375L552.0003125 171.9996875V392M272 111.9996875h319.9996875l240 240v480c0 44.000625-36 80.000625-79.9996875 80.000625H272c-44.4 0-79.9996875-36-79.9996875-80.000625V192.0003125A79.723125 79.723125 0 0 1 272 111.9996875m0 720h480V512L591.9996875 672.0003125 512 591.9996875l-240 240M351.9996875 392C308 392 272 428 272 471.9996875c0 44.000625 36 80.000625 79.9996875 80.000625 44.000625 0 80.000625-36 80.000625-80.000625 0-43.9996875-36-79.9996875-80.000625-79.9996875z'
},
{
key: 'left',
path:
'M128 128h768v85.333H128V128m0 170.667h512V384H128v-85.333m0 170.666h768v85.334H128v-85.334M128 640h512v85.333H128V640m0 170.667h768V896H128v-85.333z'
},
{
key: 'link',
path:
'M879.2 131.6c-103-95.5-264.1-88-361.4 11.2L474.7 184c-13.1 13.1-3.7 35.6 13.1 37.5 26.2 1.9 52.4 7.5 78.7 15 7.5 1.9 16.9 0 22.5-5.6l9.4-9.4c54.3-54.3 142.3-59.9 198.5-11.2 63.7 54.3 65.5 151.7 7.5 209.7L662 562.3c-18.7 18.7-41.2 30-63.7 37.5-30 7.5-61.8 5.6-89.9-5.6-16.9-7.5-33.7-16.9-48.7-31.8-7.5-7.5-13.1-15-18.7-24.3-7.5-13.1-24.3-15-33.7-3.7l-52.4 52.4c-7.5 7.5-7.5 18.7-1.9 28.1 7.5 11.2 16.9 20.6 26.2 30 13.1 13.1 30 26.2 44.9 35.6 26.2 16.9 56.2 28.1 86.1 33.7 58.1 11.2 121.7 1.9 174.2-26.2 20.6-11.2 41.2-26.2 58.1-43.1l142.3-142.3c104.9-103.2 101.2-271.8-5.6-371zM534.7 803.9l-39.3-5.6s-26.2-5.6-39.3-11.2c-7.5-1.9-16.9 0-22.5 5.6l-9.4 9.4c-54.3 54.3-142.3 59.9-198.5 11.2-63.7-54.3-65.5-151.7-7.5-209.7l142.3-142.3c18.7-18.7 41.2-30 63.7-37.5 30-7.5 61.8-5.6 89.9 5.6 16.9 7.5 33.7 16.9 48.7 31.8 7.5 7.5 13.1 15 18.7 24.3 7.5 13.1 24.3 15 33.7 3.7l52.4-52.4c7.5-7.5 7.5-18.7 1.9-28.1-7.5-11.2-16.9-20.6-26.2-30-13.1-13.1-28.1-26.2-44.9-35.6-26.2-16.9-56.2-28.1-88-33.7-58.1-11.2-121.7-1.9-174.2 26.2-20.6 11.2-41.2 26.2-58.1 43.1L141.4 515.5c-99.3 99.3-106.7 260.3-11.2 361.4C229.5 985.5 398 987.4 501 884.4l46.8-46.8c13.1-9.4 3.7-31.9-13.1-33.7z'
},
{
key: 'ordered',
path:
'M298.667 554.667H896v-85.334H298.667m0 341.334H896v-85.334H298.667m0-426.666H896v-85.334H298.667m-213.334 256h76.8l-76.8 89.6v38.4h128v-42.666h-76.8l76.8-89.6v-38.4h-128M128 341.333h42.667V170.667H85.333v42.666H128m-42.667 512h85.334v21.334H128v42.666h42.667v21.334H85.333v42.666h128V682.667h-128v42.666z'
},
{
key: 'italic',
path:
'M414.91000889 163.63889777v145.63555555h107.28448L356.16995555 697.63555555H220.72888889v145.63555555h388.36110222V697.63555555H501.80551111l166.02453334-388.36110222H803.27111111v-145.63555556H414.91000889z'
},
{
key: 'delete',
path:
'M898.719 512v70.312H744.383c35.156 75.235 33.398 281.25-219.024 281.25-292.851 1.758-281.601-228.515-281.601-228.515l139.57 1.758c1.055 118.476 111.094 118.476 132.89 117.07 22.5-1.758 106.524-1.406 113.204-83.672 2.812-38.32-35.86-67.5-78.047-87.89H125.281V512H898.72M772.508 367.508l-139.922-1.055s5.976-97.383-115.313-97.734c-121.289-0.703-110.742 77.343-110.742 87.187 1.407 9.844 11.953 58.36 105.469 81.563H290.867S168.172 200.867 467.703 160.437c306.211-42.187 305.508 207.774 304.805 207.07z'
},
{
key: 'under',
path:
'M232 872h560v-80H232v80m280-160c132.4 0 240-107.6 240-240V152H652v320c0 77.2-62.8 140-140 140s-140-62.8-140-140V152H272v320c0 132.4 107.6 240 240 240z'
},
{
key: 'center',
path:
'M128 128h768v85.333H128V128m170.667 170.667h426.666V384H298.667v-85.333M128 469.333h768v85.334H128v-85.334M298.667 640h426.666v85.333H298.667V640M128 810.667h768V896H128v-85.333z'
},
{
key: 'unordered',
path:
'M298.667 213.333v85.334H896v-85.334M298.667 554.667H896v-85.334H298.667m0 341.334H896v-85.334H298.667m-128-14.08c-31.574 0-56.747 25.6-56.747 56.747s25.6 56.747 56.747 56.747c31.146 0 56.746-25.6 56.746-56.747s-25.173-56.747-56.746-56.747m0-519.253c-35.414 0-64 28.587-64 64s28.586 64 64 64c35.413 0 64-28.587 64-64s-28.587-64-64-64m0 256c-35.414 0-64 28.587-64 64s28.586 64 64 64c35.413 0 64-28.587 64-64s-28.587-64-64-64z'
},
{
key: 'right',
path:
'M128 128h768v85.333H128V128m256 170.667h512V384H384v-85.333M128 469.333h768v85.334H128v-85.334M384 640h512v85.333H384V640M128 810.667h768V896H128v-85.333z'
}
]

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/**
* neditor
* @author yutent<yutent@doui.cc>
* @date 2019/07/05 13:44:10
*/
'use strict'
const log = console.log
import iconList from './icon'
const ACTTION = {
bold: 'bold',
italic: 'italic',
under: 'underline',
delete: 'strikeThrough',
left: 'justifyLeft',
center: 'justifyCenter',
right: 'justifyRight',
image: 'insertImage',
font: 'fontSize',
color: 'foreColor',
link: 'createLink',
ordered: 'insertOrderedList',
unordered: 'insertUnorderedList'
}
const DEFAULT_TOOLS = [
'font',
'color',
'bold',
'italic',
'under',
'delete',
'ordered',
'unordered',
'left',
'center',
'right',
'link',
'image'
]
export default class Nedtior extends HTMLElement {
// 监听属性变化
static get observedAttributes() {
return ['toolbar', 'value']
}
constructor() {
super()
this.root = this.attachShadow({ mode: 'open' })
this.render()
this.__TOOLBAR__ = this.root.children[2]
this.__FONT__ = this.root.children[3]
this.__COLOR__ = this.root.children[4]
this.__LINK__ = this.root.children[5]
this.__LINK_BTN__ = this.__LINK__.querySelector('span')
this.__EDITOR__ = this.root.lastElementChild
}
render() {
this.root.innerHTML = `
<style>
* {box-sizing: border-box;}
:host {
position: relative;
display:flex;
flex-flow: column wrap;
min-width: 200px;
min-height: 100px;
border: 1px solid #e7e8eb;
border-radius: 4px;
font-size: 14px;
}
.tool-bar {
display: flex;
height: 34px;
padding: 5px;
line-height: 24px;
border-bottom: 1px solid #e7e8eb;
}
.tool-bar span {
position: relative;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
width: 24px;
height: 24px;
margin: 0 3px;
border-radius: 3px;
}
.tool-bar span:hover {background: #f7f8fb}
.tool-bar span input {position: absolute;width: 100%;
height: 100%;opacity:0}
.tool-bar .icon {
overflow: hidden;
width: 70%;
height: 70%;
fill: currentColor;
color: #62778d
}
.editor {
flex: 1;
overflow:hidden;
overflow-y: auto;
max-height:360px;
padding:5px 8px;
font-size: 14px;
outline: none;
}
.editor img {max-width: 100%;}
.font-layer, .color-layer, .link-layer {
visibility: hidden;
position: absolute;
left: 0;
top: 0;
z-index:99;
width: 80px;
padding: 5px 0;
line-height:25px;
background: #fff;
box-shadow: 0 0 8px rgba(0,0,0,.2);
font-size: 13px;
user-select: none;
opacity: 0;
transition:all ease-in-out .2s;
}
.font-layer.fadein {visibility: visible;top: 34px;opacity: 1;}
.font-layer span {display: block;padding:0 8px;}
.font-layer span:hover {background: #f7f8fb;}
.color-layer {display: flex;flex-flow:row wrap;left: 30px;;width: 96px;}
.color-layer.fadein {visibility: visible;top: 34px;opacity: 1;}
.color-layer span {width:20px;height:20px;margin:2px;background: #f30;}
.color-layer span:nth-child(1){background: #f3f5fb}
.color-layer span:nth-child(2){background: #dae1e9}
.color-layer span:nth-child(3){background: #62778d}
.color-layer span:nth-child(4){background: #58d68d}
.color-layer span:nth-child(5){background: #3fc2a7}
.color-layer span:nth-child(6){background: #52a3de}
.color-layer span:nth-child(7){background: #ac61ce}
.color-layer span:nth-child(8){background: #ffb618}
.color-layer span:nth-child(9){background: #e67e22}
.color-layer span:nth-child(10){background: #ff5061}
.color-layer span:nth-child(11){background: #ff0000}
.color-layer span:nth-child(12){background: #000000}
.link-layer {display:flex;align-items:center;left:330px;width:180px;padding:8px;}
.link-layer input {width:120px;height:20px;margin-right: 8px;padding:0 5px;border: 1px solid #e7e8eb;outline: none;}
.link-layer span {height:20px;padding:0 5px;;line-height:20px;border-radius:4px;background:#dae1e9;text-align: center;font-size: 12px;}
.link-layer.fadein {visibility: visible;top: 34px;opacity: 1;}
</style>
<svg aria-hidden="true" style="overflow:hidden;position: absolute;width:0;height:0">
${iconList
.map(
_ =>
`<symbol id="icon-${_.key}" viewBox="0 0 1024 1024"><path d="${
_.path
}" /></symbol>`
)
.join('')}
</svg>
<section class="tool-bar">
${this._parseTools()}
</section>
<div class="font-layer">
<span data-size="6">大号字体</span>
<span data-size="5">中号字体</span>
<span data-size="3">小号字体</span>
</div>
<div class="color-layer">
<span data-color="#f3f5fb"></span>
<span data-color="#dae1e9"></span>
<span data-color="#62778d"></span>
<span data-color="#58d68d"></span>
<span data-color="#3fc2a7"></span>
<span data-color="#52a3de"></span>
<span data-color="#ac61ce"></span>
<span data-color="#ffb618"></span>
<span data-color="#e67e22"></span>
<span data-color="#ff5061"></span>
<span data-color="#ff0000"></span>
<span data-color="#000000"></span>
</div>
<div class="link-layer">
<input placeholder="请输入链接地址">
<span>插入</span>
</div>
<div contenteditable="true" class="editor" spellcheck="false"></div>
`
}
// 解析工具栏
_parseTools() {
const tools = this.tools || DEFAULT_TOOLS
return tools
.map(
it =>
`<span data-act="${it}"><svg class="icon" aria-hidden="true"><use xlink:href="#icon-${it}"/></svg>${
it === 'image' ? '<input type="file">' : ''
}</span>`
)
.join('')
}
get value() {
return this.__EDITOR__.innerHTML
}
set value(val) {
if (this.__EDITOR__ && this.__EDITOR__.innerHTML !== val) {
this.__EDITOR__.innerHTML = val
}
}
set toolbar(val) {
if (val && Array.isArray(val)) {
this.tools = val
if (this.__TOOLBAR__) {
if (this.tools.length) {
this.__TOOLBAR__.style.display = 'flex'
this.__TOOLBAR__.innerHTML = this._parseTools()
} else {
this.__TOOLBAR__.style.display = 'none'
}
}
}
}
// 保存选中
saveSelection() {
var gs = this.root.getSelection()
if (gs.getRangeAt && gs.rangeCount) {
this.__SELECT__ = gs.getRangeAt(0)
}
}
// 清除选中并重置选中
restoreSelection() {
var gs = this.root.getSelection()
if (this.__SELECT__) {
try {
gs.removeAllRanges()
} catch (err) {}
gs.addRange(this.__SELECT__)
}
}
// 执行命令
exec(cmd, val = '') {
document.execCommand(cmd, false, val)
}
// 处理图片
_handleImage(file) {
this.dispatchEvent(
new CustomEvent('upload', {
detail: {
file,
send: link => {
this.__EDITOR__.focus()
this.restoreSelection()
this.exec(ACTTION.image, link)
this.saveSelection()
// 修正插入的图片,宽度不得超出容器
this.__EDITOR__.querySelectorAll('img').forEach(_ => {
_.style.maxWidth = '100%'
})
}
}
})
)
}
connectedCallback() {
const LINK_INPUT = this.__LINK__.querySelector('input')
const FILE_INPUT = this.__TOOLBAR__.querySelector('input')
document.execCommand('styleWithCSS', null, true)
// 这里有一个彩蛋
if (FILE_INPUT) {
FILE_INPUT.addEventListener(
'change',
ev => {
this._handleImage(FILE_INPUT.files[0])
},
false
)
}
// 工具栏点击事件
this.__toolFn = ev => {
if (ev.target === ev.currentTarget) {
return
}
let target = ev.target
while (target.tagName !== 'SPAN') {
target = target.parentNode
}
var act = target.dataset.act
var val = ''
switch (act) {
case 'font':
this.__COLOR__.classList.remove('fadein')
this.__LINK__.classList.remove('fadein')
if (this.__FONT__.classList.contains('fadein')) {
this.__FONT__.classList.remove('fadein')
} else {
this.__FONT__.classList.add('fadein')
}
break
case 'color':
this.__LINK__.classList.remove('fadein')
this.__FONT__.classList.remove('fadein')
if (this.__COLOR__.classList.contains('fadein')) {
this.__COLOR__.classList.remove('fadein')
} else {
this.__COLOR__.classList.add('fadein')
}
break
case 'link':
this.__COLOR__.classList.remove('fadein')
this.__FONT__.classList.remove('fadein')
if (this.__LINK__.classList.contains('fadein')) {
this.__LINK__.classList.remove('fadein')
} else {
this.__LINK__.classList.add('fadein')
}
break
case 'image':
// 这里不作任何处理
break
default:
this.__EDITOR__.focus()
this.restoreSelection()
this.exec(ACTTION[act])
this.saveSelection()
}
}
// 字体大小设置
this.__fontFn = ev => {
if (ev.target === ev.currentTarget) {
return
}
this.__FONT__.classList.remove('fadein')
this.__EDITOR__.focus()
this.restoreSelection()
this.exec(ACTTION.font, ev.target.dataset.size)
this.saveSelection()
}
// 颜色
this.__colorFn = ev => {
if (ev.target === ev.currentTarget) {
return
}
this.__COLOR__.classList.remove('fadein')
this.__EDITOR__.focus()
this.restoreSelection()
this.exec(ACTTION.color, ev.target.dataset.color)
this.saveSelection()
}
// 超链接
this.__linkFn = ev => {
if (LINK_INPUT.value) {
this.__LINK__.classList.remove('fadein')
this.__EDITOR__.focus()
this.restoreSelection()
this.exec(ACTTION.link, LINK_INPUT.value)
this.saveSelection()
LINK_INPUT.value = ''
}
}
//监听鼠标事件的,以缓存选中状态
this.__mouseFn = ev => {
this.__FONT__.classList.remove('fadein')
this.__COLOR__.classList.remove('fadein')
this.__LINK__.classList.remove('fadein')
this.saveSelection()
}
// 粘贴板事件
this.__pasteFn = ev => {
ev.preventDefault()
var txt = ev.clipboardData.getData('text/plain')
var items = ev.clipboardData.items
if (txt) {
return this.exec('insertText', txt)
}
if (items && items.length) {
let blob = null
for (let it of items) {
if (it.type.indexOf('image') > -1) {
blob = it.getAsFile()
}
}
this._handleImage(blob)
}
}
this.__TOOLBAR__.addEventListener('click', this.__toolFn, false)
this.__FONT__.addEventListener('click', this.__fontFn, false)
this.__COLOR__.addEventListener('click', this.__colorFn, false)
this.__LINK_BTN__.addEventListener('click', this.__linkFn, false)
this.__EDITOR__.addEventListener('mouseup', this.__mouseFn, false)
this.__EDITOR__.addEventListener('paste', this.__pasteFn, false)
this.__observer = new MutationObserver(_ => {
this.dispatchEvent(
new CustomEvent('updated', {
detail: this.value
})
)
})
this.__observer.observe(this.__EDITOR__, {
childList: true,
subtree: true,
characterData: true
})
}
disconnectedCallback() {
this.__TOOLBAR__.removeEventListener('click', this.__toolFn)
this.__FONT__.removeEventListener('click', this.__fontFn)
this.__COLOR__.removeEventListener('click', this.__colorFn)
this.__LINK_BTN__.removeEventListener('click', this.__linkFn)
this.__EDITOR__.removeEventListener('mouseup', this.__mouseFn)
this.__EDITOR__.removeEventListener('paste', this.__pasteFn)
this.__observer.disconnect()
}
attributeChangedCallback(name, old, val) {
switch (name) {
case 'toolbar':
if (typeof val === 'string') {
try {
val = val.split(',')
} catch (err) {}
}
this.toolbar = val
break
case 'value':
this.value = val
break
default:
break
}
}
}
customElements.define('do-neditor', Nedtior)