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