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5 years ago
<template>
<div class="container">
<div class="left-board">
<!-- <div class="logo-wrapper">-->
<!-- <div class="logo">-->
<!-- <img :src="logo" alt="logo"> Form Generator-->
<!-- <a class="github" href="https://github.com/JakHuang/form-generator" target="_blank">-->
<!-- <img src="https://github.githubassets.com/pinned-octocat.svg" alt>-->
<!-- </a>-->
<!-- </div>-->
<!-- </div>-->
<el-scrollbar class="left-scrollbar">
<div class="components-list">
<div v-for="(item, listIndex) in leftComponents" :key="listIndex">
<div class="components-title">
<svg-icon name="component"/>
{{ item.title }}
</div>
<draggable
class="components-draggable"
:list="item.list"
:group="{ name: 'componentsGroup', pull: 'clone', put: false }"
:clone="cloneComponent"
draggable=".components-item"
:sort="false"
@end="onEnd"
>
<div
v-for="(element, index) in item.list"
:key="index"
class="components-item"
@click="addComponent(element)"
>
<div class="components-body">
<svg-icon :name="element.__config__.tagIcon"/>
{{ element.__config__.label }}
</div>
</div>
</draggable>
</div>
</div>
</el-scrollbar>
</div>
<div class="center-board">
<div class="action-bar">
<el-button icon="el-icon-video-play" type="text" @click="run">
运行
</el-button>
<el-button icon="el-icon-view" type="text" @click="showJson">
查看json
</el-button>
<el-button icon="el-icon-download" type="text" @click="download">
导出vue文件
</el-button>
<el-button class="copy-btn-main" icon="el-icon-document-copy" type="text" @click="copy">
复制代码
</el-button>
<el-button class="delete-btn" icon="el-icon-delete" type="text" @click="empty">
清空
</el-button>
</div>
<el-scrollbar class="center-scrollbar">
<el-row class="center-board-row" :gutter="formConf.gutter">
<el-form
:size="formConf.size"
:label-position="formConf.labelPosition"
:disabled="formConf.disabled"
:label-width="formConf.labelWidth + 'px'"
>
<draggable class="drawing-board" :list="drawingList" :animation="340" group="componentsGroup">
<draggable-item
v-for="(item, index) in drawingList"
:key="item.renderKey"
:drawing-list="drawingList"
:current-item="item"
:index="index"
:active-id="activeId"
:form-conf="formConf"
@activeItem="activeFormItem"
@changeLabel="changeLabel"
@copyItem="drawingItemCopy"
@deleteItem="drawingItemDelete"
/>
</draggable>
<div v-show="!drawingList.length" class="empty-info">
从左侧拖入或点选组件进行表单设计
</div>
</el-form>
</el-row>
</el-scrollbar>
</div>
<right-panel
:active-data="activeData"
:form-conf="formConf"
:show-field="!!drawingList.length"
@tag-change="tagChange"
/>
<form-drawer
:visible.sync="drawerVisible"
:form-data="formData"
size="100%"
:generate-conf="generateConf"
/>
<json-drawer
size="60%"
:visible.sync="jsonDrawerVisible"
:json-str="JSON.stringify(formData)"
@refresh="refreshJson"
/>
<code-type-dialog
:visible.sync="dialogVisible"
title="选择生成类型"
:show-file-name="showFileName"
@confirm="generate"
/>
<input id="copyNode" type="hidden">
</div>
</template>
<script>
import draggable from 'vuedraggable'
import {debounce} from 'throttle-debounce'
import {saveAs} from 'file-saver'
import ClipboardJS from 'clipboard'
import render from '@/components/render/render'
import FormDrawer from './FormDrawer'
import JsonDrawer from './JsonDrawer'
import RightPanel from './RightPanel'
import {
inputComponents, selectComponents, layoutComponents, formConf
} from '@/components/generator/config'
import {
exportDefault, beautifierConf, isNumberStr, titleCase, deepClone
} from '@/utils/index'
import {
makeUpHtml, vueTemplate, vueScript, cssStyle
} from '@/components/generator/html'
import {makeUpJs} from '@/components/generator/js'
import {makeUpCss} from '@/components/generator/css'
import drawingDefalut from '@/components/generator/drawingDefalut'
import logo from '@/assets/logo.png'
import CodeTypeDialog from './CodeTypeDialog'
import DraggableItem from './DraggableItem'
import {
getDrawingList, saveDrawingList, getIdGlobal, saveIdGlobal, getFormConf
} from '@/utils/db'
import loadBeautifier from '@/utils/loadBeautifier'
let beautifier
const emptyActiveData = {
style: {},
autosize: {}
}
let oldActiveId
let tempActiveData
const drawingListInDB = getDrawingList()
const formConfInDB = getFormConf()
const idGlobal = getIdGlobal()
export default {
components: {
draggable,
render,
FormDrawer,
JsonDrawer,
RightPanel,
CodeTypeDialog,
DraggableItem
},
data() {
return {
logo,
idGlobal,
formConf,
inputComponents,
selectComponents,
layoutComponents,
labelWidth: 100,
drawingList: drawingDefalut,
drawingData: {},
activeId: drawingDefalut[0].formId,
drawerVisible: false,
formData: {},
dialogVisible: false,
jsonDrawerVisible: false,
generateConf: null,
showFileName: false,
activeData: drawingDefalut[0],
saveDrawingListDebounce: debounce(340, saveDrawingList),
saveIdGlobalDebounce: debounce(340, saveIdGlobal),
leftComponents: [
{
title: '输入型组件',
list: inputComponents
},
{
title: '选择型组件',
list: selectComponents
},
{
title: '布局型组件',
list: layoutComponents
}
]
}
},
computed: {},
watch: {
// eslint-disable-next-line func-names
'activeData.__config__.label': function(val, oldVal) {
if (
this.activeData.placeholder === undefined
|| !this.activeData.__config__.tag
|| oldActiveId !== this.activeId
) {
return
}
this.activeData.placeholder = this.activeData.placeholder.replace(oldVal, '') + val
},
activeId: {
handler(val) {
oldActiveId = val
},
immediate: true
},
drawingList: {
handler(val) {
this.saveDrawingListDebounce(val)
if (val.length === 0) this.idGlobal = 100
},
deep: true
},
idGlobal: {
handler(val) {
this.saveIdGlobalDebounce(val)
},
immediate: true
}
},
mounted() {
if (Array.isArray(drawingListInDB) && drawingListInDB.length > 0) {
this.drawingList = drawingListInDB
} else {
this.drawingList = drawingDefalut
}
this.activeFormItem(this.drawingList[0])
if (formConfInDB) {
this.formConf = formConfInDB
}
loadBeautifier(btf => {
beautifier = btf
})
const clipboard = new ClipboardJS('#copyNode', {
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')
})
},
methods: {
activeFormItem(currentItem) {
console.log(currentItem)
this.activeData = currentItem
this.activeId = currentItem.__config__.formId
},
changeLabel(currentItem, value) {
console.log(currentItem)
console.log(value)
},
onEnd(obj) {
if (obj.from !== obj.to) {
this.activeData = tempActiveData
this.activeId = this.idGlobal
}
},
addComponent(item) {
const clone = this.cloneComponent(item)
this.drawingList.push(clone)
this.activeFormItem(clone)
},
cloneComponent(origin) {
const clone = deepClone(origin)
const config = clone.__config__
config.span = this.formConf.span // 生成代码时,会根据span做精简判断
this.createIdAndKey(clone)
clone.placeholder !== undefined && (clone.placeholder += config.label)
tempActiveData = clone
return tempActiveData
},
createIdAndKey(item) {
const config = item.__config__
config.formId = ++this.idGlobal
config.renderKey = `${config.formId}${+new Date()}` // 改变renderKey后可以实现强制更新组件
if (config.layout === 'colFormItem') {
item.__vModel__ = `field${this.idGlobal}`
} else if (config.layout === 'rowFormItem') {
config.componentName = `row${this.idGlobal}`
!Array.isArray(config.children) && (config.children = [])
delete config.label // rowFormItem无需配置label属性
}
if (Array.isArray(config.children)) {
config.children = config.children.map(childItem => this.createIdAndKey(childItem))
}
return item
},
AssembleFormData() {
this.formData = {
fields: deepClone(this.drawingList),
...this.formConf
}
},
generate(data) {
const func = this[`exec${titleCase(this.operationType)}`]
this.generateConf = data
func && func(data)
},
execRun(data) {
this.AssembleFormData()
this.drawerVisible = true
},
execDownload(data) {
const codeStr = this.generateCode()
const blob = new Blob([codeStr], {type: 'text/plain;charset=utf-8'})
saveAs(blob, data.fileName)
},
execCopy(data) {
document.getElementById('copyNode')
.click()
},
empty() {
this.$confirm('确定要清空所有组件吗?', '提示', {type: 'warning'})
.then(
() => {
this.drawingList = []
this.idGlobal = 100
}
)
},
drawingItemCopy(item, list) {
let clone = deepClone(item)
clone = this.createIdAndKey(clone)
list.push(clone)
this.activeFormItem(clone)
},
drawingItemDelete(index, list) {
list.splice(index, 1)
this.$nextTick(() => {
const len = this.drawingList.length
if (len) {
this.activeFormItem(this.drawingList[len - 1])
}
})
},
generateCode() {
const {type} = this.generateConf
this.AssembleFormData()
const script = vueScript(makeUpJs(this.formData, type))
const html = vueTemplate(makeUpHtml(this.formData, type))
const css = cssStyle(makeUpCss(this.formData))
return beautifier.html(html + script + css, beautifierConf.html)
},
showJson() {
this.AssembleFormData()
this.jsonDrawerVisible = true
},
download() {
this.dialogVisible = true
this.showFileName = true
this.operationType = 'download'
},
run() {
this.dialogVisible = true
this.showFileName = false
this.operationType = 'run'
},
copy() {
this.dialogVisible = true
this.showFileName = false
this.operationType = 'copy'
},
tagChange(newTag) {
newTag = this.cloneComponent(newTag)
const config = newTag.__config__
newTag.__vModel__ = this.activeData.__vModel__
config.formId = this.activeId
config.span = this.activeData.__config__.span
this.activeData.__config__.tag = config.tag
this.activeData.__config__.tagIcon = config.tagIcon
this.activeData.__config__.document = config.document
if (typeof this.activeData.__config__.defaultValue === typeof config.defaultValue) {
config.defaultValue = this.activeData.__config__.defaultValue
}
Object.keys(newTag)
.forEach(key => {
if (this.activeData[key] !== undefined) {
newTag[key] = this.activeData[key]
}
})
this.activeData = newTag
this.updateDrawingList(newTag, this.drawingList)
},
updateDrawingList(newTag, list) {
const index = list.findIndex(item => item.__config__.formId === this.activeId)
if (index > -1) {
list.splice(index, 1, newTag)
} else {
list.forEach(item => {
if (Array.isArray(item.__config__.children)) this.updateDrawingList(newTag, item.__config__.children)
})
}
},
refreshJson(data) {
this.drawingList = deepClone(data.fields)
delete data.fields
this.formConf = data
}
}
}
</script>
<style lang='scss' >
@import '@/assets/styles/home';
</style>