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feat: flowable前端改造

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tony
2022-12-11 21:08:14 +08:00
parent dcbef01709
commit ae0226a8f4
112 changed files with 12865 additions and 2660 deletions
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ruoyi-ui/src/components/Process/index.vue Normal file
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<template>
<div v-loading="isView" class="flow-containers" :class="{ 'view-mode': isView }">
<el-container style="height: 100%">
<el-header style="border-bottom: 1px solid rgb(218 218 218);height: auto;">
<div style="display: flex; padding: 10px 0px; justify-content: space-between;">
<div>
<el-upload action="" :before-upload="openBpmn" style="margin-right: 10px; display:inline-block;">
<el-tooltip effect="dark" content="加载xml" placement="bottom">
<el-button size="mini" icon="el-icon-folder-opened" />
</el-tooltip>
</el-upload>
<el-tooltip effect="dark" content="新建" placement="bottom">
<el-button size="mini" icon="el-icon-circle-plus" @click="newDiagram" />
</el-tooltip>
<el-tooltip effect="dark" content="自适应屏幕" placement="bottom">
<el-button size="mini" icon="el-icon-rank" @click="fitViewport" />
</el-tooltip>
<el-tooltip effect="dark" content="放大" placement="bottom">
<el-button size="mini" icon="el-icon-zoom-in" @click="zoomViewport(true)" />
</el-tooltip>
<el-tooltip effect="dark" content="缩小" placement="bottom">
<el-button size="mini" icon="el-icon-zoom-out" @click="zoomViewport(false)" />
</el-tooltip>
<el-tooltip effect="dark" content="后退" placement="bottom">
<el-button size="mini" icon="el-icon-back" @click="modeler.get('commandStack').undo()" />
</el-tooltip>
<el-tooltip effect="dark" content="前进" placement="bottom">
<el-button size="mini" icon="el-icon-right" @click="modeler.get('commandStack').redo()" />
</el-tooltip>
</div>
<div>
<el-button size="mini" icon="el-icon-view" @click="showXML">查看xml</el-button>
<el-button size="mini" icon="el-icon-download" @click="saveXML(true)">下载xml</el-button>
<el-button size="mini" icon="el-icon-picture" @click="saveImg('svg', true)">下载svg</el-button>
<el-button size="mini" type="primary" @click="save">保存模型</el-button>
</div>
</div>
</el-header>
<el-container style="align-items: stretch">
<el-main style="padding: 0;">
<div ref="canvas" class="canvas" />
</el-main>
<el-aside style="width: 400px; min-height: 650px; background-color: #f0f2f5">
<panel v-if="modeler" :modeler="modeler" :users="users" :groups="groups" :categorys="categorys" @dataType="dataType" />
</el-aside>
</el-container>
</el-container>
</div>
</template>
<script>
// 汉化
import customTranslate from './common/customTranslate'
import Modeler from 'bpmn-js/lib/Modeler'
import panel from './PropertyPanel'
import BpmData from './BpmData'
import getInitStr from './flowable/init'
// 引入flowable的节点文件
import flowableModdle from './flowable/flowable.json'
export default {
name: 'WorkflowBpmnModeler',
components: {
panel
},
props: {
xml: {
type: String,
default: ''
},
users: {
type: Array,
default: () => []
},
groups: {
type: Array,
default: () => []
},
categorys: {
type: Array,
default: () => []
},
isView: {
type: Boolean,
default: false
},
taskList: {
type: Array,
default: () => []
}
},
data() {
return {
modeler: null,
// taskList: [],
zoom: 1
}
},
watch: {
xml: function(val) {
if (val) {
this.createNewDiagram(val)
}
}
},
mounted() {
// 生成实例
this.modeler = new Modeler({
container: this.$refs.canvas,
additionalModules: [
{
translate: ['value', customTranslate]
}
],
moddleExtensions: {
flowable: flowableModdle
}
})
// 新增流程定义
if (!this.xml) {
this.newDiagram()
} else {
this.createNewDiagram(this.xml)
}
},
methods: {
newDiagram() {
this.createNewDiagram(getInitStr())
},
// 让图能自适应屏幕
fitViewport() {
this.zoom = this.modeler.get('canvas').zoom('fit-viewport')
const bbox = document.querySelector('.flow-containers .viewport').getBBox()
const currentViewbox = this.modeler.get('canvas').viewbox()
const elementMid = {
x: bbox.x + bbox.width / 2 - 65,
y: bbox.y + bbox.height / 2
}
this.modeler.get('canvas').viewbox({
x: elementMid.x - currentViewbox.width / 2,
y: elementMid.y - currentViewbox.height / 2,
width: currentViewbox.width,
height: currentViewbox.height
})
this.zoom = bbox.width / currentViewbox.width * 1.8
},
// 放大缩小
zoomViewport(zoomIn = true) {
this.zoom = this.modeler.get('canvas').zoom()
this.zoom += (zoomIn ? 0.1 : -0.1)
this.modeler.get('canvas').zoom(this.zoom)
},
async createNewDiagram(data) {
// 将字符串转换成图显示出来
// data = data.replace(/<!\[CDATA\[(.+?)]]>/g, '&lt;![CDATA[$1]]&gt;')
data = data.replace(/<!\[CDATA\[(.+?)]]>/g, function(match, str) {
return str.replace(/</g, '&lt;')
})
try {
await this.modeler.importXML(data)
this.adjustPalette()
this.fitViewport()
if (this.taskList !==undefined && this.taskList.length > 0 ) {
this.fillColor()
}
} catch (err) {
console.error(err.message, err.warnings)
}
},
// 调整左侧工具栏排版
adjustPalette() {
try {
// 获取 bpmn 设计器实例
const canvas = this.$refs.canvas
const djsPalette = canvas.children[0].children[1].children[4]
const djsPalStyle = {
width: '130px',
padding: '5px',
background: 'white',
left: '20px',
borderRadius: 0
}
for (var key in djsPalStyle) {
djsPalette.style[key] = djsPalStyle[key]
}
const palette = djsPalette.children[0]
const allGroups = palette.children
allGroups[0].style['display'] = 'none'
// 修改控件样式
for (var gKey in allGroups) {
const group = allGroups[gKey]
for (var cKey in group.children) {
const control = group.children[cKey]
const controlStyle = {
display: 'flex',
justifyContent: 'flex-start',
alignItems: 'center',
width: '100%',
padding: '5px'
}
if (
control.className &&
control.dataset &&
control.className.indexOf('entry') !== -1
) {
const controlProps = new BpmData().getControl(
control.dataset.action
)
control.innerHTML = `<div style='font-size: 14px;font-weight:500;margin-left:15px;'>${
controlProps['title']
}</div>`
for (var csKey in controlStyle) {
control.style[csKey] = controlStyle[csKey]
}
}
}
}
} catch (e) {
console.log(e)
}
},
fillColor() {
const canvas = this.modeler.get('canvas')
this.modeler._definitions.rootElements[0].flowElements.forEach(n => {
const completeTask = this.taskList.find(m => m.key === n.id)
const todoTask = this.taskList.find(m => !m.completed)
const endTask = this.taskList[this.taskList.length - 1]
if (n.$type === 'bpmn:UserTask') {
if (completeTask) {
canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
n.outgoing?.forEach(nn => {
const targetTask = this.taskList.find(m => m.key === nn.targetRef.id)
if (targetTask) {
if (todoTask && completeTask.key === todoTask.key && !todoTask.completed){
canvas.addMarker(nn.id, todoTask.completed ? 'highlight' : 'highlight-todo')
canvas.addMarker(nn.targetRef.id, todoTask.completed ? 'highlight' : 'highlight-todo')
}else {
canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
}
}
})
}
}
// 排他网关
else if (n.$type === 'bpmn:ExclusiveGateway') {
if (completeTask) {
canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
n.outgoing?.forEach(nn => {
const targetTask = this.taskList.find(m => m.key === nn.targetRef.id)
if (targetTask) {
canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
}
})
}
}
// 并行网关
else if (n.$type === 'bpmn:ParallelGateway') {
if (completeTask) {
canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
n.outgoing?.forEach(nn => {
debugger
const targetTask = this.taskList.find(m => m.key === nn.targetRef.id)
if (targetTask) {
canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
}
})
}
}
else if (n.$type === 'bpmn:StartEvent') {
n.outgoing.forEach(nn => {
const completeTask = this.taskList.find(m => m.key === nn.targetRef.id)
if (completeTask) {
canvas.addMarker(nn.id, 'highlight')
canvas.addMarker(n.id, 'highlight')
return
}
})
}
else if (n.$type === 'bpmn:EndEvent') {
if (endTask.key === n.id && endTask.completed) {
canvas.addMarker(n.id, 'highlight')
return
}
}
})
},
// 对外 api
getProcess() {
const element = this.getProcessElement()
return {
id: element.id,
name: element.name,
category: element.$attrs['flowable:processCategory']
}
},
getProcessElement() {
const rootElements = this.modeler.getDefinitions().rootElements
for (let i = 0; i < rootElements.length; i++) {
if (rootElements[i].$type === 'bpmn:Process') return rootElements[i]
}
},
async saveXML(download = false) {
try {
const { xml } = await this.modeler.saveXML({ format: true })
if (download) {
this.downloadFile(`${this.getProcessElement().name}.bpmn20.xml`, xml, 'application/xml')
}
return xml
} catch (err) {
console.log(err)
}
},
async showXML() {
try {
const { xml } = await this.modeler.saveXML({ format: true })
debugger
this.$emit('showXML',xml)
} catch (err) {
console.log(err)
}
},
async saveImg(type = 'svg', download = false) {
try {
const { svg } = await this.modeler.saveSVG({ format: true })
if (download) {
this.downloadFile(this.getProcessElement().name, svg, 'image/svg+xml')
}
return svg
} catch (err) {
console.log(err)
}
},
async save() {
const process = this.getProcess()
const xml = await this.saveXML()
const svg = await this.saveImg()
const result = { process, xml, svg }
this.$emit('save', result)
window.parent.postMessage(result, '*')
},
openBpmn(file) {
const reader = new FileReader()
reader.readAsText(file, 'utf-8')
reader.onload = () => {
this.createNewDiagram(reader.result)
}
return false
},
downloadFile(filename, data, type) {
var a = document.createElement('a')
var url = window.URL.createObjectURL(new Blob([data], { type: type }))
a.href = url
a.download = filename
a.click()
window.URL.revokeObjectURL(url)
},
/** 获取数据类型 */
dataType(data){
this.$emit('dataType', data)
}
}
}
</script>
<style lang="scss">
/*左边工具栏以及编辑节点的样式*/
@import "~bpmn-js/dist/assets/diagram-js.css";
@import "~bpmn-js/dist/assets/bpmn-font/css/bpmn.css";
@import "~bpmn-js/dist/assets/bpmn-font/css/bpmn-codes.css";
@import "~bpmn-js/dist/assets/bpmn-font/css/bpmn-embedded.css";
.view-mode {
.el-header, .el-aside, .djs-palette, .bjs-powered-by {
display: none;
}
.el-loading-mask {
background-color: initial;
}
.el-loading-spinner {
display: none;
}
}
.flow-containers {
// background-color: #ffffff;
width: 100%;
height: 100%;
.canvas {
width: 100%;
height: 100%;
}
.panel {
position: absolute;
right: 0;
top: 50px;
width: 300px;
}
.load {
margin-right: 10px;
}
.el-form-item__label{
font-size: 13px;
}
.djs-palette{
left: 0px!important;
top: 0px;
border-top: none;
}
.djs-container svg {
min-height: 650px;
}
.highlight.djs-shape .djs-visual > :nth-child(1) {
fill: green !important;
stroke: green !important;
fill-opacity: 0.2 !important;
}
.highlight.djs-shape .djs-visual > :nth-child(2) {
fill: green !important;
}
.highlight.djs-shape .djs-visual > path {
fill: green !important;
fill-opacity: 0.2 !important;
stroke: green !important;
}
.highlight.djs-connection > .djs-visual > path {
stroke: green !important;
}
// .djs-connection > .djs-visual > path {
// stroke: orange !important;
// stroke-dasharray: 4px !important;
// fill-opacity: 0.2 !important;
// }
// .djs-shape .djs-visual > :nth-child(1) {
// fill: orange !important;
// stroke: orange !important;
// stroke-dasharray: 4px !important;
// fill-opacity: 0.2 !important;
// }
.highlight-todo.djs-connection > .djs-visual > path {
stroke: orange !important;
stroke-dasharray: 4px !important;
fill-opacity: 0.2 !important;
}
.highlight-todo.djs-shape .djs-visual > :nth-child(1) {
fill: orange !important;
stroke: orange !important;
stroke-dasharray: 4px !important;
fill-opacity: 0.2 !important;
}
.overlays-div {
font-size: 10px;
color: red;
width: 100px;
top: -20px !important;
}
}
</style>