fangxin
2 years ago
3 changed files with 1530 additions and 985 deletions
@ -0,0 +1,604 @@ |
|||
<template> |
|||
<div class="chat-input-area"> |
|||
<div class="edit-chat-container" contenteditable="true" |
|||
@paste.prevent="onPaste" |
|||
@keydown="onKeydown" |
|||
@compositionstart="compositionFlag=true" |
|||
@compositionend="compositionFlag=false" |
|||
@input="onEditorInput" |
|||
@mousedown="onMousedown" |
|||
v-html="contentHtml" |
|||
ref="content" |
|||
@blur="onBlur" |
|||
|
|||
:placeholder="'请输入消息'"> |
|||
</div> |
|||
<chat-at-box @select="onAtSelect" |
|||
:search-text="atSearchText" |
|||
ref="atBox" |
|||
:ownerId="ownerId" :members="groupMembers" |
|||
|
|||
></chat-at-box> |
|||
</div> |
|||
</template> |
|||
|
|||
<script> |
|||
import ChatAtBox from "./ChatAtBox"; |
|||
|
|||
export default { |
|||
name: "ChatInput", |
|||
components: {ChatAtBox}, |
|||
props: { |
|||
ownerId: { |
|||
type: Number, |
|||
|
|||
}, |
|||
groupMembers: { |
|||
type: Array, |
|||
}, |
|||
}, |
|||
data() { |
|||
const defaultContentHtml = '<div></div>'; |
|||
return { |
|||
// contentList: [], |
|||
// content: null, |
|||
defaultContentHtml, |
|||
contentHtml: defaultContentHtml + '', |
|||
imageList: [], |
|||
fileList: [], |
|||
currentId: 0, |
|||
atSearchText: null, |
|||
compositionFlag: false, |
|||
history: [defaultContentHtml], |
|||
focusOffset: 0, |
|||
atIng: false, |
|||
blurRange: null |
|||
} |
|||
}, methods: { |
|||
onPaste(e) { |
|||
let txt = e.clipboardData.getData('Text') |
|||
let range = window.getSelection().getRangeAt(0) |
|||
if (range.startContainer !== range.endContainer || range.startOffset !== range.endOffset) { |
|||
document.execCommand('delete', false, null); |
|||
} |
|||
if (typeof (txt) == 'string') { |
|||
let textNode = document.createTextNode(txt); |
|||
range.insertNode(textNode) |
|||
// return; |
|||
} |
|||
let items = (e.clipboardData || window.clipboardData).items |
|||
if (items.length) { |
|||
for (let i = 0; i < items.length; i++) { |
|||
if (items[i].type.indexOf('image') !== -1) { |
|||
let file = items[i].getAsFile(); |
|||
let imagePush = { |
|||
fileId: this.generateId(), |
|||
file: file, |
|||
url: URL.createObjectURL(file) |
|||
}; |
|||
this.imageList[imagePush.fileId] = (imagePush); |
|||
|
|||
|
|||
let imageElement = document.createElement('img'); |
|||
imageElement.className = 'chat-image no-text'; |
|||
imageElement.src = imagePush.url; |
|||
imageElement.setAttribute("data-img-id", imagePush.fileId); |
|||
// imageElement.width = 200; |
|||
// imageElement.height = 100; |
|||
range.insertNode(imageElement); |
|||
} else { |
|||
let asFile = items[i].getAsFile(); |
|||
if (!asFile) { |
|||
continue; |
|||
} |
|||
let filePush = {fileId: this.generateId(), file: asFile}; |
|||
this.fileList[filePush.fileId] = (filePush) |
|||
let fileElement = this.createFile(filePush); |
|||
range.insertNode(fileElement); |
|||
|
|||
// var text = document.createTextNode("\u00A0"); |
|||
fileElement.insertAdjacentHTML('afterend','\u00A0'); |
|||
// range.selectNodeContents(text); |
|||
// range.collapse(); |
|||
} |
|||
} |
|||
} |
|||
range.collapse(); |
|||
|
|||
}, |
|||
selectElement(element) { |
|||
let selection = window.getSelection(); |
|||
|
|||
setTimeout(() => { |
|||
let t1 = document.createRange(); |
|||
t1.setStart(element, 0); |
|||
t1.setEnd(element, 0); |
|||
if (element.firstChild) { |
|||
t1.selectNodeContents(element.firstChild); |
|||
} |
|||
t1.collapse(); |
|||
|
|||
selection.removeAllRanges(); |
|||
selection.addRange(t1); |
|||
element.focus(); |
|||
}) |
|||
}, |
|||
onKeydown(e) { |
|||
if (e.keyCode === 13) { |
|||
e.preventDefault(); |
|||
e.stopPropagation(); |
|||
if (this.atIng) { |
|||
console.log('选中at的人') |
|||
this.$refs.atBox.select(); |
|||
return; |
|||
} |
|||
if (e.shiftKey) { |
|||
let selection = window.getSelection(); |
|||
let range = selection.getRangeAt(0); |
|||
|
|||
let divElement = document.createElement('div'); |
|||
|
|||
let endContainer = range.endContainer; |
|||
let parentElement = endContainer.parentElement; |
|||
|
|||
let newText = endContainer.textContent.substring(range.endOffset).trim(); |
|||
endContainer.textContent = endContainer.textContent.substring(0, range.endOffset); |
|||
divElement.innerHTML = newText || ''; |
|||
|
|||
if (parentElement === this.$refs.content) { |
|||
// range.insertNode(divElement) |
|||
this.$refs.content.append(divElement); |
|||
} else { |
|||
parentElement.insertAdjacentElement('afterend', divElement); |
|||
} |
|||
|
|||
// if (range.startContainer !== endContainer || range.startOffset !== range.endOffset) { |
|||
// console.log('delete range.', range.startContainer, range.startOffset, range.endContainer, range.endOffset) |
|||
// document.execCommand('delete', false, null); |
|||
// } |
|||
this.selectElement(divElement); |
|||
// return false; |
|||
} else { |
|||
if (this.compositionFlag) { |
|||
console.log('中文输入中') |
|||
return; |
|||
} |
|||
this.submit(); |
|||
} |
|||
return; |
|||
} |
|||
if (e.keyCode === 90) { |
|||
if (e.ctrlKey || e.metaKey) { |
|||
e.preventDefault(); |
|||
e.stopPropagation(); |
|||
if (this.history.length <= 1) { |
|||
return; |
|||
} |
|||
this.history.pop(); |
|||
let last = this.history.pop(); |
|||
// console.log('回滚为：', last); |
|||
this.contentHtml = last; |
|||
if (this.history.length === 0) { |
|||
// 保底 |
|||
this.history.push(this.defaultContentHtml); |
|||
} |
|||
|
|||
setTimeout(() => { |
|||
let t = this.$refs.content.lastElementChild.lastChild; |
|||
// t.focus(); |
|||
let r = document.createRange(); |
|||
r.setStart(t, t.textContent.length); |
|||
r.setEnd(t, t.textContent.length); |
|||
r.collapse(); |
|||
// r.selectNodeContents(t.lastChild); |
|||
|
|||
let selection = document.getSelection(); |
|||
selection.removeAllRanges(); |
|||
selection.addRange(r); |
|||
}) |
|||
} |
|||
} |
|||
if (e.keyCode === 8) { |
|||
setTimeout(() => { |
|||
// console.log(this.$refs.content.innerHTML.trim()) |
|||
let s = this.$refs.content.innerHTML.trim(); |
|||
if (s === '' || s === '<br>') { |
|||
// 拼接随机长度的空格，以刷新dom |
|||
this.empty(); |
|||
this.selectElement(this.$refs.content); |
|||
} |
|||
// this. |
|||
}) |
|||
} |
|||
// console.log(e.keyCode) |
|||
if (this.atIng) { |
|||
console.log('atIng', e.keyCode) |
|||
e.preventDefault(); |
|||
e.stopPropagation(); |
|||
if (e.keyCode === 38) { |
|||
this.$refs.atBox.moveUp(); |
|||
} |
|||
if (e.keyCode === 40) { |
|||
this.$refs.atBox.moveDown(); |
|||
} |
|||
} |
|||
}, |
|||
onAtSelect(member) { |
|||
this.atIng = false; |
|||
let range = window.getSelection().getRangeAt(0) |
|||
// 选中输入的 @xx 符 |
|||
range.setStart(this.blurRange.startContainer, this.focusOffset - 1 - this.atSearchText.length) |
|||
range.setEnd(this.blurRange.endContainer, this.focusOffset) |
|||
range.deleteContents() |
|||
// 创建元素节点 |
|||
let element = document.createElement('SPAN') |
|||
element.className = "chat-at-user"; |
|||
element.dataset.id = member.userId; |
|||
element.contentEditable = 'false' |
|||
element.innerText = `@${member.aliasName}` |
|||
element.setAttribute("data-at-user-id", member.userId) |
|||
range.insertNode(element) |
|||
// 光标移动到末尾 |
|||
range.collapse() |
|||
// 插入空格 |
|||
let textNode = document.createTextNode('\u00A0'); |
|||
range.insertNode(textNode) |
|||
range.selectNodeContents(textNode); |
|||
|
|||
range.collapse() |
|||
this.atSearchText = ""; |
|||
this.focus(); |
|||
// this.selectElement(textNode); |
|||
// this.$refs.editBox.focus() |
|||
}, |
|||
onEditorInput(e) { |
|||
// 如果触发 @ |
|||
if (this.$props.groupMembers && !this.zhLock) { |
|||
if (e.data === '@') { |
|||
// 打开选择弹窗 |
|||
this.showAtBox(e); |
|||
} else { |
|||
let selection = window.getSelection() |
|||
// let range = selection.getRangeAt(0) |
|||
let focusNode = selection.focusNode; |
|||
// 截取@后面的名称作为过滤条件 |
|||
let stIdx = focusNode.textContent.lastIndexOf('@'); |
|||
this.atSearchText = focusNode.textContent.substring(stIdx + 1); |
|||
} |
|||
} |
|||
|
|||
}, |
|||
onBlur(e) { |
|||
// setTimeout(() => { |
|||
// console.log(e) |
|||
// this.$refs.atBox.close(); |
|||
// this.atIng = false; |
|||
// },100) |
|||
this.blurRange = window.getSelection().getRangeAt(0); |
|||
}, |
|||
onMousedown() { |
|||
if (this.atIng) { |
|||
this.$refs.atBox.close(); |
|||
this.atIng = false; |
|||
} |
|||
}, |
|||
insertEmoji(emojiText) { |
|||
// let selection = window.getSelection(); |
|||
// let range = selection.getRangeAt(0); |
|||
let emojiElement = document.createElement('img'); |
|||
emojiElement.className = 'chat-emoji no-text'; |
|||
emojiElement.setAttribute("data-emoji-code", emojiText); |
|||
emojiElement.src = this.$emo.textToUrl(emojiText); |
|||
|
|||
let blurRange = this.blurRange; |
|||
if (blurRange.startContainer !== blurRange.endContainer || blurRange.startOffset !== blurRange.endOffset) { |
|||
blurRange.deleteContents(); |
|||
} |
|||
blurRange.insertNode(emojiElement); |
|||
|
|||
this.focus(); |
|||
}, |
|||
generateId() { |
|||
return this.currentId++; |
|||
}, |
|||
createFile(filePush) { |
|||
let file = filePush.file; |
|||
let fileId = filePush.fileId; |
|||
let container = document.createElement('div'); |
|||
container.className = 'chat-file-container no-text'; |
|||
container.contentEditable = 'false'; |
|||
container.setAttribute("data-file-id", fileId); |
|||
|
|||
let left = document.createElement('div'); |
|||
left.className = 'file-position-left'; |
|||
container.appendChild(left); |
|||
|
|||
let icon = document.createElement('div'); |
|||
icon.className = 'file-icon'; |
|||
icon.innerText = '?'; |
|||
left.appendChild(icon); |
|||
|
|||
let right = document.createElement('div'); |
|||
right.className = 'file-position-right'; |
|||
container.appendChild(right); |
|||
|
|||
let fileName = document.createElement('div'); |
|||
fileName.className = 'file-name'; |
|||
fileName.innerText = file.name; |
|||
|
|||
let fileSize = document.createElement('div'); |
|||
fileSize.className = 'file-size'; |
|||
fileSize.innerText = this.sizeConvert(file.size); |
|||
|
|||
right.appendChild(fileName); |
|||
right.appendChild(fileSize); |
|||
|
|||
return container; |
|||
}, |
|||
sizeConvert(len) { |
|||
if (len < 1024) { |
|||
return len + 'B'; |
|||
} else if (len < 1024 * 1024) { |
|||
return (len / 1024).toFixed(2) + 'KB'; |
|||
} else if (len < 1024 * 1024 * 1024) { |
|||
return (len / 1024 / 1024).toFixed(2) + 'MB'; |
|||
} else { |
|||
return (len / 1024 / 1024 / 1024).toFixed(2) + 'GB'; |
|||
} |
|||
}, |
|||
clear() { |
|||
this.empty(); |
|||
this.imageList = []; |
|||
this.fileList = []; |
|||
}, |
|||
empty() { |
|||
let emptyCount = Math.random() * 100 + 5; |
|||
let content = ''; |
|||
for (let i = 0; i < emptyCount; i++) { |
|||
content += ' '; |
|||
} |
|||
this.contentHtml = this.defaultContentHtml + content; |
|||
}, |
|||
showAtBox(e) { |
|||
this.atIng = true; |
|||
this.atSearchText = ""; |
|||
let selection = window.getSelection() |
|||
let range = selection.getRangeAt(0) |
|||
// 记录光标所在位置 |
|||
// this.focusNode = selection.focusNode; |
|||
this.focusOffset = selection.focusOffset; |
|||
// 光标所在坐标 |
|||
let pos = range.getBoundingClientRect(); |
|||
this.$refs.atBox.open({ |
|||
x: pos.x, |
|||
y: pos.y |
|||
}) |
|||
}, |
|||
submit() { |
|||
// console.log(this.content) |
|||
let nodes = this.$refs.content.childNodes; |
|||
let textList = []; |
|||
let imageList = []; |
|||
let fileList = []; |
|||
|
|||
let fullList = []; |
|||
|
|||
|
|||
let tempText = ''; |
|||
let each = (nodes) => { |
|||
for (let i = 0; i < nodes.length; i++) { |
|||
let node = nodes[i]; |
|||
if (!node) { |
|||
continue; |
|||
} |
|||
if (node.nodeType === 3) { |
|||
tempText += node.textContent; |
|||
continue; |
|||
} |
|||
let nodeName = node.nodeName.toLowerCase(); |
|||
if (nodeName === 'script') { |
|||
continue; |
|||
} |
|||
let text = tempText.trim(); |
|||
if (nodeName === 'img') { |
|||
let imgId = node.getAttribute('data-img-id'); |
|||
if (imgId) { |
|||
if (text) { |
|||
fullList.push({ |
|||
type: 'text', |
|||
content: text |
|||
}) |
|||
} |
|||
fullList.push({ |
|||
type: 'image', |
|||
content: this.imageList[imgId] |
|||
}) |
|||
imageList.push(this.imageList[imgId]); |
|||
textList.push(text); |
|||
tempText = ''; |
|||
} else { |
|||
let emojiCode = node.getAttribute('data-emoji-code'); |
|||
tempText += emojiCode; |
|||
} |
|||
} else if (nodeName === 'div') { |
|||
let fileId = node.getAttribute('data-file-id'); |
|||
// 文件 |
|||
if (fileId) { |
|||
if (text) { |
|||
fullList.push({ |
|||
type: 'text', |
|||
content: text |
|||
}) |
|||
} |
|||
fullList.push({ |
|||
type: 'file', |
|||
content: this.fileList[fileId] |
|||
}) |
|||
fileList.push(this.fileList[fileId]); |
|||
textList.push(text); |
|||
tempText = ''; |
|||
} else { |
|||
tempText += '\n'; |
|||
each(node.childNodes); |
|||
} |
|||
} else if (nodeName === 'span') { |
|||
let userId = node.getAttribute("data-at-user-id"); |
|||
if (userId !== null && userId !== undefined) { |
|||
tempText += node.outerHTML; |
|||
} |
|||
} else { |
|||
console.warn('未处理的标签'); |
|||
if (getComputedStyle(node).display === 'block') { |
|||
tempText += '\n'; |
|||
} else { |
|||
tempText += ' '; |
|||
} |
|||
each(node.childNodes); |
|||
} |
|||
} |
|||
} |
|||
each(nodes) |
|||
let text = tempText.trim(); |
|||
if (text !== '') { |
|||
fullList.push({ |
|||
type: 'text', |
|||
content: text |
|||
}) |
|||
textList.push(text); |
|||
} |
|||
// console.log(textList, imageList, fileList) |
|||
|
|||
this.$emit('submit', fullList, textList, imageList, fileList); |
|||
}, |
|||
focus() { |
|||
this.$refs.content.focus(); |
|||
} |
|||
|
|||
}, |
|||
mounted() { |
|||
console.log(this.$props.groupMembers) |
|||
// this.$refs.content.firstElementChild.focus(); |
|||
this.selectElement(this.$refs.content.firstElementChild); |
|||
setInterval(() => { |
|||
if (!this.$refs.content) { |
|||
return; |
|||
} |
|||
// 输入中文时不记录 |
|||
if (this.compositionFlag) { |
|||
return; |
|||
} |
|||
let last = this.history[this.history.length]; |
|||
let newContent = this.$refs.content.innerHTML; |
|||
if (last !== newContent) { |
|||
this.history.push(newContent); |
|||
} |
|||
}, 1000); |
|||
} |
|||
} |
|||
</script> |
|||
|
|||
<style lang="scss"> |
|||
.chat-input-area { |
|||
width: 100%; |
|||
height: 100%; |
|||
position: relative; |
|||
|
|||
.edit-chat-container { |
|||
//width: 100%; |
|||
//height: 100%; |
|||
position: absolute; |
|||
top: 0; |
|||
left: 0; |
|||
right: 0; |
|||
bottom: 0; |
|||
border: 1px solid #c3c3c3; |
|||
outline: none; |
|||
padding: 10px 0; |
|||
line-height: 30px; |
|||
font-size: 16px; |
|||
text-align: left; |
|||
|
|||
> div { |
|||
padding-left: 10px; |
|||
} |
|||
|
|||
> div:before { |
|||
content: "\00a0"; |
|||
font-size: 14px; |
|||
} |
|||
|
|||
.chat-image { |
|||
max-width: 200px; |
|||
max-height: 100px; |
|||
border: 1px solid #e6e6e6; |
|||
cursor: pointer; |
|||
//margin-left: 10px; |
|||
} |
|||
|
|||
.chat-emoji { |
|||
width: 30px; |
|||
height: 30px; |
|||
vertical-align: top; |
|||
cursor: pointer; |
|||
} |
|||
|
|||
.chat-file-container { |
|||
width: 200px; |
|||
//height: 100px; |
|||
padding: 5px 7px; |
|||
border: 1px solid #4cd964; |
|||
display: flex; |
|||
|
|||
.file-position-left { |
|||
width: 30%; |
|||
flex: 1; |
|||
justify-content: center; |
|||
align-items: center; |
|||
|
|||
.file-icon { |
|||
width: 30px; |
|||
height: 30px; |
|||
text-align: center; |
|||
justify-content: center; |
|||
align-items: center; |
|||
vertical-align: center; |
|||
border: 1px solid #e6e6e6; |
|||
} |
|||
} |
|||
|
|||
.file-position-right { |
|||
width: 70%; |
|||
flex: 3; |
|||
|
|||
.file-name { |
|||
font-size: 14px; |
|||
color: #333; |
|||
} |
|||
|
|||
.file-size { |
|||
font-size: 12px; |
|||
color: #666; |
|||
} |
|||
} |
|||
} |
|||
|
|||
.chat-at-user { |
|||
background-color: #4cd964; |
|||
padding: 2px 5px; |
|||
color: white; |
|||
//border: 1px solid #c3c3c3; |
|||
border-radius: 3px; |
|||
} |
|||
} |
|||
|
|||
.edit-chat-container:empty:before { |
|||
content: '请输入消息（按Shift+Enter键换行）'; |
|||
color: gray; |
|||
} |
|||
|
|||
.edit-chat-container:focus:before { |
|||
content: none; |
|||
} |
|||
|
|||
} |
|||
</style> |
|||
Loading…
Reference in new issue