Browse Source
# Conflicts: # im-web/src/components/chat/ChatBox.vue # im-web/src/components/chat/ChatInput.vue # im-web/src/components/chat/ChatMessageItem.vuemaster
xsx
2 years ago
7 changed files with 770 additions and 322 deletions
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<template> |
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<div class="chat-input-area"> |
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<div :class="['edit-chat-container',isEmpty?'':'not-empty']" contenteditable="true" @paste.prevent="onPaste" |
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@keydown="onKeydown" @compositionstart="compositionFlag=true" @compositionend="onCompositionEnd" |
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@input="onEditorInput" @mousedown="onMousedown" ref="content" @blur="onBlur"> |
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</div> |
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<chat-at-box @select="onAtSelect" :search-text="atSearchText" ref="atBox" :ownerId="ownerId" |
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:members="groupMembers"></chat-at-box> |
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</div> |
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</template> |
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<script> |
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import ChatAtBox from "./ChatAtBox"; |
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export default { |
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name: "ChatInput", |
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components: { ChatAtBox }, |
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props: { |
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ownerId: { |
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type: Number, |
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}, |
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groupMembers: { |
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type: Array, |
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}, |
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}, |
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data() { |
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return { |
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imageList: [], |
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fileList: [], |
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currentId: 0, |
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atSearchText: null, |
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compositionFlag: false, |
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atIng: false, |
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isEmpty: true, |
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changeStored: true, |
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blurRange: null |
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} |
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}, |
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methods: { |
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onPaste(e) { |
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this.isEmpty = false; |
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let txt = e.clipboardData.getData('Text') |
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let range = window.getSelection().getRangeAt(0) |
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if (range.startContainer !== range.endContainer || range.startOffset !== range.endOffset) { |
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range.deleteContents(); |
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} |
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// 粘贴图片和文件时，这里没有数据 |
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if (txt && typeof(txt) == 'string') { |
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let textNode = document.createTextNode(txt); |
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range.insertNode(textNode) |
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range.collapse(); |
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return; |
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} |
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let items = (e.clipboardData || window.clipboardData).items |
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if (items.length) { |
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for (let i = 0; i < items.length; i++) { |
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if (items[i].type.indexOf('image') !== -1) { |
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let file = items[i].getAsFile(); |
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let imagePush = { |
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fileId: this.generateId(), |
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file: file, |
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url: URL.createObjectURL(file) |
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}; |
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this.imageList[imagePush.fileId] = (imagePush); |
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let line = this.newLine(); |
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let imageElement = document.createElement('img'); |
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imageElement.className = 'chat-image no-text'; |
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imageElement.src = imagePush.url; |
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imageElement.dataset.imgId = imagePush.fileId; |
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line.appendChild(imageElement); |
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let after = document.createTextNode('\u00A0'); |
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line.appendChild(after); |
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this.selectElement(after, 1); |
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} else { |
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let asFile = items[i].getAsFile(); |
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if (!asFile) { |
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continue; |
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} |
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let filePush = { fileId: this.generateId(), file: asFile }; |
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this.fileList[filePush.fileId] = (filePush) |
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let line = this.newLine(); |
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let fileElement = this.createFile(filePush); |
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line.appendChild(fileElement); |
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let after = document.createTextNode('\u00A0'); |
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line.appendChild(after); |
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this.selectElement(after, 1); |
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} |
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} |
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} |
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range.collapse(); |
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}, |
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selectElement(element, endOffset) { |
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let selection = window.getSelection(); |
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// 插入元素可能不是立即执行的，vue可能会在插入元素后再更新dom |
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this.$nextTick(() => { |
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let t1 = document.createRange(); |
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t1.setStart(element, 0); |
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t1.setEnd(element, endOffset || 0); |
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if (element.firstChild) { |
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t1.selectNodeContents(element.firstChild); |
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} |
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t1.collapse(); |
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selection.removeAllRanges(); |
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selection.addRange(t1); |
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// 需要时自动聚焦 |
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if (element.focus) { |
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element.focus(); |
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} |
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}) |
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}, |
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onCompositionEnd(e) { |
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this.compositionFlag = false; |
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this.onEditorInput(e); |
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}, |
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onKeydown(e) { |
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if (e.keyCode === 13) { |
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e.preventDefault(); |
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e.stopPropagation(); |
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if (this.atIng) { |
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console.log('选中at的人') |
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this.$refs.atBox.select(); |
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return; |
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} |
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if (e.ctrlKey) { |
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let line = this.newLine(); |
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let after = document.createTextNode('\u00A0'); |
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line.appendChild(after); |
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this.selectElement(line.childNodes[0], 0); |
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} else { |
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// 中文输入标记 |
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if (this.compositionFlag) { |
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return; |
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} |
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this.submit(); |
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} |
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return; |
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} |
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// 删除键 |
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if (e.keyCode === 8) { |
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console.log("delete") |
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// 等待dom更新 |
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setTimeout(() => { |
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let s = this.$refs.content.innerHTML.trim(); |
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// 空dom时，需要刷新dom |
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console.log(s); |
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if (s === '' || s === '<br>' || s === '<div> </div>' ) { |
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// 拼接随机长度的空格，以刷新dom |
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this.empty(); |
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this.isEmpty = true; |
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this.selectElement(this.$refs.content); |
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} else { |
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this.isEmpty = false; |
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} |
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}) |
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} |
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// at框打开时，上下键移动特殊处理 |
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if (this.atIng) { |
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if (e.keyCode === 38) { |
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e.preventDefault(); |
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e.stopPropagation(); |
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this.$refs.atBox.moveUp(); |
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} |
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if (e.keyCode === 40) { |
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e.preventDefault(); |
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e.stopPropagation(); |
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this.$refs.atBox.moveDown(); |
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} |
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} |
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}, |
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onAtSelect(member) { |
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this.atIng = false; |
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// 选中输入的 @xx 符 |
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let blurRange = this.blurRange; |
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let endContainer = blurRange.endContainer |
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let startOffset = endContainer.data.indexOf("@"+this.atSearchText); |
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let endOffset = startOffset + this.atSearchText.length + 1; |
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blurRange.setStart(blurRange.endContainer, startOffset); |
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blurRange.setEnd(blurRange.endContainer, endOffset); |
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blurRange.deleteContents() |
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blurRange.collapse(); |
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console.log("onAtSelect") |
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this.focus(); |
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// 创建元素节点 |
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let element = document.createElement('SPAN') |
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element.className = "chat-at-user"; |
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element.dataset.id = member.userId; |
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element.contentEditable = 'false' |
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element.innerText = `@${member.showNickName}` |
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blurRange.insertNode(element) |
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// 光标移动到末尾 |
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blurRange.collapse() |
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// 插入空格 |
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let textNode = document.createTextNode('\u00A0'); |
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blurRange.insertNode(textNode); |
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blurRange.collapse() |
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this.atSearchText = ""; |
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this.selectElement(textNode, 1); |
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}, |
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onEditorInput(e) { |
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this.isEmpty = false; |
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this.changeStored = false; |
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if (this.$props.groupMembers && !this.compositionFlag) { |
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let selection = window.getSelection() |
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let range = selection.getRangeAt(0); |
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// 截取@后面的名称作为过滤条件，并以空格结束 |
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let endContainer = range.endContainer; |
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let endOffset = range.endOffset; |
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let textContent = endContainer.textContent; |
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let startIndex = -1; |
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for (let i = endOffset; i >= 0; i--) { |
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if (textContent[i] === '@') { |
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startIndex = i; |
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break; |
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} |
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} |
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// 没有at符号，则关闭弹窗 |
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if (startIndex === -1) { |
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this.$refs.atBox.close(); |
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return; |
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} |
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let endIndex = endOffset; |
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for (let i = endOffset; i < textContent.length; i++) { |
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if (textContent[i] === ' ') { |
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endIndex = i; |
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break; |
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} |
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} |
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this.atSearchText = textContent.substring(startIndex + 1, endIndex).trim(); |
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// 打开选择弹窗 |
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if (this.atSearchText == '') { |
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this.showAtBox(e) |
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} |
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} |
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}, |
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onBlur(e) { |
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this.updateRange(); |
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}, |
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onMousedown() { |
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if (this.atIng) { |
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this.$refs.atBox.close(); |
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this.atIng = false; |
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} |
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}, |
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insertEmoji(emojiText) { |
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let emojiElement = document.createElement('img'); |
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emojiElement.className = 'chat-emoji no-text'; |
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emojiElement.dataset.emojiCode = emojiText; |
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emojiElement.src = this.$emo.textToUrl(emojiText); |
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let blurRange = this.blurRange; |
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if (!blurRange) { |
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this.focus(); |
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this.updateRange(); |
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blurRange = this.blurRange; |
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} |
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if (blurRange.startContainer !== blurRange.endContainer || blurRange.startOffset !== blurRange.endOffset) { |
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blurRange.deleteContents(); |
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} |
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blurRange.insertNode(emojiElement); |
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blurRange.collapse() |
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let textNode = document.createTextNode('\u00A0'); |
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blurRange.insertNode(textNode) |
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blurRange.collapse() |
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this.selectElement(textNode); |
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this.updateRange(); |
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this.isEmpty = false; |
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}, |
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generateId() { |
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return this.currentId++; |
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}, |
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createFile(filePush) { |
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let file = filePush.file; |
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let fileId = filePush.fileId; |
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let container = document.createElement('div'); |
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container.className = 'chat-file-container no-text'; |
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container.contentEditable = 'false'; |
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container.dataset.fileId = fileId; |
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let left = document.createElement('div'); |
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left.className = 'file-position-left'; |
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container.appendChild(left); |
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let icon = document.createElement('div'); |
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icon.className = 'el-icon-document'; |
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left.appendChild(icon); |
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let right = document.createElement('div'); |
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right.className = 'file-position-right'; |
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container.appendChild(right); |
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let fileName = document.createElement('div'); |
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fileName.className = 'file-name'; |
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fileName.innerText = file.name; |
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let fileSize = document.createElement('div'); |
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fileSize.className = 'file-size'; |
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fileSize.innerText = this.sizeConvert(file.size); |
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right.appendChild(fileName); |
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right.appendChild(fileSize); |
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return container; |
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}, |
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sizeConvert(len) { |
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if (len < 1024) { |
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return len + 'B'; |
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} else if (len < 1024 * 1024) { |
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return (len / 1024).toFixed(2) + 'KB'; |
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} else if (len < 1024 * 1024 * 1024) { |
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return (len / 1024 / 1024).toFixed(2) + 'MB'; |
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} else { |
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return (len / 1024 / 1024 / 1024).toFixed(2) + 'GB'; |
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} |
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}, |
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updateRange() { |
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let selection = window.getSelection(); |
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this.blurRange = selection.getRangeAt(0); |
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}, |
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newLine() { |
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let selection = window.getSelection(); |
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let range = selection.getRangeAt(0); |
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let divElement = document.createElement('div'); |
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let endContainer = range.endContainer; |
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let parentElement = endContainer.parentElement; |
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if (parentElement.parentElement === this.$refs.content) { |
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divElement.innerHTML = endContainer.textContent.substring(range.endOffset).trim(); |
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endContainer.textContent = endContainer.textContent.substring(0, range.endOffset); |
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// 插入到当前div（当前行）后面 |
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parentElement.insertAdjacentElement('afterend', divElement); |
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} else { |
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divElement.innerHTML = ''; |
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this.$refs.content.append(divElement); |
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} |
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return divElement; |
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}, |
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clear() { |
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this.empty(); |
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this.imageList = []; |
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this.fileList = []; |
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}, |
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empty() { |
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this.$refs.content.innerHTML = ""; |
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let line = this.newLine(); |
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let after = document.createTextNode('\u00A0'); |
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line.appendChild(after); |
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this.$nextTick(()=>this.selectElement(after)); |
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}, |
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showAtBox(e) { |
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this.atIng = true; |
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// show之后会自动更新当前搜索的text |
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// this.atSearchText = ""; |
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let selection = window.getSelection() |
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let range = selection.getRangeAt(0) |
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// 光标所在坐标 |
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let pos = range.getBoundingClientRect(); |
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this.$refs.atBox.open({ |
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x: pos.x, |
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y: pos.y |
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}) |
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// 记录光标所在位置 |
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this.updateRange(); |
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}, |
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html2Escape(strHtml) { |
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return strHtml.replace(/[<>&"]/g, function(c) { |
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return { |
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'<': '<', |
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'>': '>', |
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'&': '&', |
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'"': '"' |
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} [c]; |
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}); |
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}, |
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submit() { |
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let nodes = this.$refs.content.childNodes; |
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let fullList = []; |
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let tempText = ''; |
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let atUserIds = []; |
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let each = (nodes) => { |
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for (let i = 0; i < nodes.length; i++) { |
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let node = nodes[i]; |
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if (!node) { |
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continue; |
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} |
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if (node.nodeType === 3) { |
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tempText += this.html2Escape(node.textContent); |
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continue; |
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} |
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let nodeName = node.nodeName.toLowerCase(); |
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if (nodeName === 'script') { |
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continue; |
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} |
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let text = tempText.trim(); |
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if (nodeName === 'img') { |
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let imgId = node.dataset.imgId; |
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if (imgId) { |
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if (text) { |
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fullList.push({ |
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type: 'text', |
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content: text, |
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atUserIds: atUserIds |
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}) |
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tempText = ''; |
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atUserIds = [] |
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} |
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fullList.push({ |
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type: 'image', |
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content: this.imageList[imgId] |
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}) |
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} else { |
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let emojiCode = node.dataset.emojiCode; |
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tempText += emojiCode; |
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} |
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} else if (nodeName === 'div') { |
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let fileId = node.dataset.fileId |
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// 文件 |
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if (fileId) { |
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if (text) { |
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fullList.push({ |
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type: 'text', |
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content: text, |
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atUserIds: atUserIds |
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}) |
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tempText = ''; |
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atUserIds = [] |
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} |
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fullList.push({ |
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type: 'file', |
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content: this.fileList[fileId] |
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}) |
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} else { |
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tempText += '\n'; |
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each(node.childNodes); |
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} |
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} else if (nodeName === 'span') { |
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if(node.dataset.id){ |
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tempText += node.innerHTML; |
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atUserIds.push(node.dataset.id) |
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}else { |
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tempText += node.outerHtml; |
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} |
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} |
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} |
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} |
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each(nodes) |
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let text = tempText.trim(); |
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if (text !== '') { |
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fullList.push({ |
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type: 'text', |
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content: text, |
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atUserIds: atUserIds |
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}) |
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} |
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this.$emit('submit', fullList); |
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}, |
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focus() { |
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this.$refs.content.focus(); |
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} |
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|
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} |
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} |
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</script> |
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|
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<style lang="scss"> |
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.chat-input-area { |
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|
width: 100%; |
||||
|
height: 100%; |
||||
|
position: relative; |
||||
|
|
||||
|
.edit-chat-container { |
||||
|
position: absolute; |
||||
|
top: 0; |
||||
|
left: 0; |
||||
|
right: 0; |
||||
|
bottom: 0; |
||||
|
border: 1px solid #c3c3c3; |
||||
|
outline: none; |
||||
|
padding: 5px; |
||||
|
line-height: 30px; |
||||
|
font-size: 16px; |
||||
|
text-align: left; |
||||
|
overflow-y: scroll; |
||||
|
|
||||
|
// 单独一行时，无法在前面输入的bug |
||||
|
>div:before { |
||||
|
content: "\00a0"; |
||||
|
font-size: 14px; |
||||
|
position: absolute; |
||||
|
top: 0; |
||||
|
left: 0; |
||||
|
} |
||||
|
|
||||
|
.chat-image { |
||||
|
display: block; |
||||
|
max-width: 200px; |
||||
|
max-height: 100px; |
||||
|
border: 1px solid #e6e6e6; |
||||
|
cursor: pointer; |
||||
|
} |
||||
|
|
||||
|
.chat-emoji { |
||||
|
width: 30px; |
||||
|
height: 30px; |
||||
|
vertical-align: top; |
||||
|
cursor: pointer; |
||||
|
} |
||||
|
|
||||
|
.chat-file-container { |
||||
|
max-width: 65%; |
||||
|
padding: 10px; |
||||
|
border: 2px solid #587ff0; |
||||
|
display: flex; |
||||
|
background: #eeeC; |
||||
|
border-radius: 10px; |
||||
|
|
||||
|
.file-position-left { |
||||
|
display: flex; |
||||
|
width: 80px; |
||||
|
justify-content: center; |
||||
|
align-items: center; |
||||
|
|
||||
|
.el-icon-document { |
||||
|
font-size: 40px; |
||||
|
text-align: center; |
||||
|
color: #d42e07; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
.file-position-right { |
||||
|
flex: 1; |
||||
|
|
||||
|
.file-name { |
||||
|
font-size: 16px; |
||||
|
font-weight: 600; |
||||
|
color: #66b1ff; |
||||
|
} |
||||
|
|
||||
|
.file-size { |
||||
|
font-size: 14px; |
||||
|
font-weight: 600; |
||||
|
color: black; |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
.chat-at-user { |
||||
|
color: #00f; |
||||
|
font-weight: 600; |
||||
|
|
||||
|
border-radius: 3px; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
.edit-chat-container>div:nth-of-type(1):after { |
||||
|
content: '请输入消息（按Ctrl+Enter键换行）'; |
||||
|
color: gray; |
||||
|
} |
||||
|
|
||||
|
.edit-chat-container.not-empty>div:nth-of-type(1):after { |
||||
|
content: none; |
||||
|
} |
||||
|
|
||||
|
} |
||||
|
</style> |
||||
Loading…
Reference in new issue