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<template>
<div>
<el-drawer v-bind="$attrs" v-on="$listeners" @opened="onOpen" @close="onClose">
<div style="height:100%">
<el-row style="height:100%;overflow:auto">
<el-col :md="24" :lg="12" class="left-editor">
<div class="setting" title="资源引用" @click="showResource">
<el-badge :is-dot="!!resources.length" class="item">
<i class="el-icon-setting" />
</el-badge>
</div>
<el-tabs v-model="activeTab" type="card" class="editor-tabs">
<el-tab-pane name="html">
<span slot="label">
<i v-if="activeTab==='html'" class="el-icon-edit" />
<i v-else class="el-icon-document" />
template
</span>
</el-tab-pane>
<el-tab-pane name="js">
<span slot="label">
<i v-if="activeTab==='js'" class="el-icon-edit" />
<i v-else class="el-icon-document" />
script
</span>
</el-tab-pane>
<el-tab-pane name="css">
<span slot="label">
<i v-if="activeTab==='css'" class="el-icon-edit" />
<i v-else class="el-icon-document" />
css
</span>
</el-tab-pane>
</el-tabs>
<div v-show="activeTab==='html'" id="editorHtml" class="tab-editor" />
<div v-show="activeTab==='js'" id="editorJs" class="tab-editor" />
<div v-show="activeTab==='css'" id="editorCss" class="tab-editor" />
</el-col>
<el-col :md="24" :lg="12" class="right-preview">
<div class="action-bar" :style="{'text-align': 'left'}">
<span class="bar-btn" @click="runCode">
<i class="el-icon-refresh" />
刷新
</span>
<span class="bar-btn" @click="exportFile">
<i class="el-icon-download" />
导出vue文件
</span>
<span ref="copyBtn" class="bar-btn copy-btn">
<i class="el-icon-document-copy" />
复制代码
</span>
<span class="bar-btn delete-btn" @click="$emit('update:visible', false)">
<i class="el-icon-circle-close" />
关闭
</span>
</div>
<iframe
v-show="isIframeLoaded"
ref="previewPage"
class="result-wrapper"
frameborder="0"
src="preview.html"
@load="iframeLoad"
/>
<div v-show="!isIframeLoaded" v-loading="true" class="result-wrapper" />
</el-col>
</el-row>
</div>
</el-drawer>
<resource-dialog
:visible.sync="resourceVisible"
:origin-resource="resources"
@save="setResource"
/>
</div>
</template>
<script>
import { parse } from '@babel/parser'
import ClipboardJS from 'clipboard'
import { saveAs } from 'file-saver'
import {
makeUpHtml, vueTemplate, vueScript, cssStyle
} from '@/components/generator/html'
import { makeUpJs } from '@/components/generator/js'
import { makeUpCss } from '@/components/generator/css'
import { exportDefault, beautifierConf, titleCase } from '@/utils/index'
import ResourceDialog from './ResourceDialog'
import loadMonaco from '@/utils/loadMonaco'
import loadBeautifier from '@/utils/loadBeautifier'
const editorObj = {
html: null,
js: null,
css: null
}
const mode = {
html: 'html',
js: 'javascript',
css: 'css'
}
let beautifier
let monaco
export default {
components: { ResourceDialog },
props: ['formData', 'generateConf'],
data() {
return {
activeTab: 'html',
htmlCode: '',
jsCode: '',
cssCode: '',
codeFrame: '',
isIframeLoaded: false,
isInitcode: false, // 保证open后两个异步只执行一次runcode
isRefreshCode: false, // 每次打开都需要重新刷新代码
resourceVisible: false,
scripts: [],
links: [],
monaco: null
}
},
computed: {
resources() {
return this.scripts.concat(this.links)
}
},
watch: {},
created() {
},
mounted() {
window.addEventListener('keydown', this.preventDefaultSave)
const clipboard = new ClipboardJS('.copy-btn', {
text: trigger => {
const codeStr = this.generateCode()
this.$notify({
title: '成功',
message: '代码已复制到剪切板,可粘贴。',
type: 'success'
})
return codeStr
}
})
clipboard.on('error', e => {
this.$message.error('代码复制失败')
})
},
beforeDestroy() {
window.removeEventListener('keydown', this.preventDefaultSave)
},
methods: {
preventDefaultSave(e) {
if (e.key === 's' && (e.metaKey || e.ctrlKey)) {
e.preventDefault()
}
},
onOpen() {
const { type } = this.generateConf
this.htmlCode = makeUpHtml(this.formData, type)
this.jsCode = makeUpJs(this.formData, type)
this.cssCode = makeUpCss(this.formData)
loadBeautifier(btf => {
beautifier = btf
this.htmlCode = beautifier.html(this.htmlCode, beautifierConf.html)
this.jsCode = beautifier.js(this.jsCode, beautifierConf.js)
this.cssCode = beautifier.css(this.cssCode, beautifierConf.html)
loadMonaco(val => {
monaco = val
this.setEditorValue('editorHtml', 'html', this.htmlCode)
this.setEditorValue('editorJs', 'js', this.jsCode)
this.setEditorValue('editorCss', 'css', this.cssCode)
if (!this.isInitcode) {
this.isRefreshCode = true
this.isIframeLoaded && (this.isInitcode = true) && this.runCode()
}
})
})
},
onClose() {
this.isInitcode = false
this.isRefreshCode = false
},
iframeLoad() {
if (!this.isInitcode) {
this.isIframeLoaded = true
this.isRefreshCode && (this.isInitcode = true) && this.runCode()
}
},
setEditorValue(id, type, codeStr) {
if (editorObj[type]) {
editorObj[type].setValue(codeStr)
} else {
editorObj[type] = monaco.editor.create(document.getElementById(id), {
value: codeStr,
theme: 'vs-dark',
language: mode[type],
automaticLayout: true
})
}
// ctrl + s 刷新
editorObj[type].onKeyDown(e => {
if (e.keyCode === 49 && (e.metaKey || e.ctrlKey)) {
this.runCode()
}
})
},
runCode() {
const jsCodeStr = editorObj.js.getValue()
try {
const ast = parse(jsCodeStr, { sourceType: 'module' })
const astBody = ast.program.body
if (astBody.length > 1) {
this.$confirm(
'js格式不能识别,仅支持修改export default的对象内容',
'提示',
{
type: 'warning'
}).catch(() => {});
return
}
if (astBody[0].type === 'ExportDefaultDeclaration') {
const postData = {
type: 'refreshFrame',
data: {
generateConf: this.generateConf,
html: editorObj.html.getValue(),
js: jsCodeStr.replace(exportDefault, ''),
css: editorObj.css.getValue(),
scripts: this.scripts,
links: this.links
}
}
this.$refs.previewPage.contentWindow.postMessage(
postData,
location.origin
)
} else {
this.$message.error('请使用export default')
}
} catch (err) {
this.$message.error(`js错误:${err}`)
console.error(err)
}
},
generateCode() {
const html = vueTemplate(editorObj.html.getValue())
const script = vueScript(editorObj.js.getValue())
const css = cssStyle(editorObj.css.getValue())
return beautifier.html(html + script + css, beautifierConf.html)
},
exportFile() {
this.$prompt('文件名:', '导出文件', {
inputValue: `${+new Date()}.vue`,
closeOnClickModal: false,
inputPlaceholder: '请输入文件名'
}).then(({ value }) => {
if (!value) value = `${+new Date()}.vue`
const codeStr = this.generateCode()
const blob = new Blob([codeStr], { type: 'text/plain;charset=utf-8' })
saveAs(blob, value)
})
},
showResource() {
this.resourceVisible = true
},
setResource(arr) {
const scripts = []; const
links = []
if (Array.isArray(arr)) {
arr.forEach(item => {
if (item.endsWith('.css')) {
links.push(item)
} else {
scripts.push(item)
}
})
this.scripts = scripts
this.links = links
} else {
this.scripts = []
this.links = []
}
}
}
}
</script>
<style lang="scss" scoped>
@import '@/styles/mixin.scss';
.tab-editor {
position: absolute;
top: 33px;
bottom: 0;
left: 0;
right: 0;
font-size: 14px;
}
.left-editor {
position: relative;
height: 100%;
background: #1e1e1e;
overflow: hidden;
}
.setting{
position: absolute;
right: 15px;
top: 3px;
color: #a9f122;
font-size: 18px;
cursor: pointer;
z-index: 1;
}
.right-preview {
height: 100%;
.result-wrapper {
height: calc(100vh - 33px);
width: 100%;
overflow: auto;
padding: 12px;
box-sizing: border-box;
}
}
@include action-bar;
::v-deep .el-drawer__header {
display: none;
}
</style>