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467 lines
15 KiB
467 lines
15 KiB
<template>
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<div v-loading="isView" class="flow-containers" :class="{ 'view-mode': isView }">
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<el-container style="height: 100%">
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<el-header style="border-bottom: 1px solid rgb(218 218 218);height: auto;">
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<div style="display: flex; padding: 10px 0px; justify-content: space-between;">
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{{xml}} <div>
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<el-upload action="" :before-upload="openBpmn" style="margin-right: 10px; display:inline-block;">
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<el-tooltip effect="dark" content="加载xml" placement="bottom">
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<el-button size="mini" icon="el-icon-folder-opened" />
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</el-tooltip>
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</el-upload>
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<el-tooltip effect="dark" content="新建" placement="bottom">
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<el-button size="mini" icon="el-icon-circle-plus" @click="newDiagram" />
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</el-tooltip>
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<el-tooltip effect="dark" content="自适应屏幕" placement="bottom">
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<el-button size="mini" icon="el-icon-rank" @click="fitViewport" />
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</el-tooltip>
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<el-tooltip effect="dark" content="放大" placement="bottom">
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<el-button size="mini" icon="el-icon-zoom-in" @click="zoomViewport(true)" />
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</el-tooltip>
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<el-tooltip effect="dark" content="缩小" placement="bottom">
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<el-button size="mini" icon="el-icon-zoom-out" @click="zoomViewport(false)" />
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</el-tooltip>
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<el-tooltip effect="dark" content="后退" placement="bottom">
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<el-button size="mini" icon="el-icon-back" @click="modeler.get('commandStack').undo()" />
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</el-tooltip>
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<el-tooltip effect="dark" content="前进" placement="bottom">
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<el-button size="mini" icon="el-icon-right" @click="modeler.get('commandStack').redo()" />
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</el-tooltip>
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</div>
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<div>
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<el-button size="mini" icon="el-icon-view" @click="showXML">查看xml</el-button>
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<el-button size="mini" icon="el-icon-download" @click="saveXML(true)">下载xml</el-button>
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<el-button size="mini" icon="el-icon-picture" @click="saveImg('svg', true)">下载svg</el-button>
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<el-button size="mini" type="primary" @click="save">保存模型</el-button>
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</div>
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</div>
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</el-header>
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<el-container style="align-items: stretch">
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<el-main style="padding: 0;">
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<div ref="canvas" class="canvas" />
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</el-main>
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<el-aside style="width: 400px; min-height: 650px; background-color: #f0f2f5">
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<panel v-if="modeler" :modeler="modeler" :users="users" :groups="groups" :categorys="categorys" @dataType="dataType" />
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</el-aside>
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</el-container>
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</el-container>
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</div>
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</template>
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<script>
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// 汉化
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import customTranslate from './common/customTranslate'
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import Modeler from 'bpmn-js/lib/Modeler'
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import panel from './PropertyPanel'
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import BpmData from './BpmData'
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import getInitStr from './flowable/init'
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// 引入flowable的节点文件
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import flowableModdle from './flowable/flowable.json'
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export default {
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name: 'WorkflowBpmnModeler',
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components: {
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panel
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},
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props: {
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xml: {
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type: String,
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default: ''
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},
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users: {
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type: Array,
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default: () => []
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},
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groups: {
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type: Array,
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default: () => []
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},
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categorys: {
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type: Array,
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default: () => []
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},
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isView: {
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type: Boolean,
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default: false
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},
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taskList: {
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type: Array,
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default: () => []
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}
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},
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data() {
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return {
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modeler: null,
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zoom: 1
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}
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},
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watch: {
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xml: function(val) {
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if (val) {
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this.createNewDiagram(val)
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}
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}
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},
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mounted() {
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// 生成实例
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this.modeler = new Modeler({
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container: this.$refs.canvas,
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additionalModules: [
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{
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translate: ['value', customTranslate]
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}
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],
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moddleExtensions: {
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flowable: flowableModdle
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}
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})
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console.log('1111111111111111111111111111111');
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console.log(this.xml);
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console.log(this.taskList);
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console.log('1111111111111111111111111111122');
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// 新增流程定义
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if (!this.xml) {
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this.newDiagram()
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} else {
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this.createNewDiagram(this.xml)
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}
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},
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methods: {
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newDiagram() {
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this.createNewDiagram(getInitStr())
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},
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// 让图能自适应屏幕
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fitViewport() {
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this.zoom = this.modeler.get('canvas').zoom('fit-viewport')
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const bbox = document.querySelector('.flow-containers .viewport').getBBox()
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const currentViewbox = this.modeler.get('canvas').viewbox()
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const elementMid = {
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x: bbox.x + bbox.width / 2 - 65,
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y: bbox.y + bbox.height / 2
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}
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this.modeler.get('canvas').viewbox({
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x: elementMid.x - currentViewbox.width / 2,
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y: elementMid.y - currentViewbox.height / 2,
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width: currentViewbox.width,
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height: currentViewbox.height
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})
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this.zoom = bbox.width / currentViewbox.width * 1.8
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},
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// 放大缩小
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zoomViewport(zoomIn = true) {
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this.zoom = this.modeler.get('canvas').zoom()
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this.zoom += (zoomIn ? 0.1 : -0.1)
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this.modeler.get('canvas').zoom(this.zoom)
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},
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async createNewDiagram(data) {
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// 将字符串转换成图显示出来
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// data = data.replace(/<!\[CDATA\[(.+?)]]>/g, '<![CDATA[$1]]>')
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data = data.replace(/<!\[CDATA\[(.+?)]]>/g, function(match, str) {
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return str.replace(/</g, '<')
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})
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try {
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await this.modeler.importXML(data)
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this.adjustPalette()
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this.fitViewport()
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if (this.taskList !==undefined && this.taskList.length > 0 ) {
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this.fillColor()
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}
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} catch (err) {
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console.error(err.message, err.warnings)
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}
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},
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// 调整左侧工具栏排版
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adjustPalette() {
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try {
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// 获取 bpmn 设计器实例
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const canvas = this.$refs.canvas
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const djsPalette = canvas.children[0].children[1].children[4]
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const djsPalStyle = {
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width: '130px',
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padding: '5px',
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background: 'white',
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left: '20px',
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borderRadius: 0
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}
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for (var key in djsPalStyle) {
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djsPalette.style[key] = djsPalStyle[key]
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}
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const palette = djsPalette.children[0]
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const allGroups = palette.children
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allGroups[0].style['display'] = 'none'
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// 修改控件样式
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for (var gKey in allGroups) {
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const group = allGroups[gKey]
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for (var cKey in group.children) {
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const control = group.children[cKey]
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const controlStyle = {
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display: 'flex',
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justifyContent: 'flex-start',
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alignItems: 'center',
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width: '100%',
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padding: '5px'
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}
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if (
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control.className &&
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control.dataset &&
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control.className.indexOf('entry') !== -1
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) {
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const controlProps = new BpmData().getControl(
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control.dataset.action
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)
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control.innerHTML = `<div style='font-size: 14px;font-weight:500;margin-left:15px;'>${
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controlProps['title']
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}</div>`
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for (var csKey in controlStyle) {
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control.style[csKey] = controlStyle[csKey]
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}
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}
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}
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}
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} catch (e) {
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console.log(e)
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}
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},
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fillColor() {
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const canvas = this.modeler.get('canvas')
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this.modeler._definitions.rootElements[0].flowElements.forEach(n => {
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const completeTask = this.taskList.find(m => m.key === n.id)
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const todoTask = this.taskList.find(m => !m.completed)
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const endTask = this.taskList[this.taskList.length - 1]
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if (n.$type === 'bpmn:UserTask') {
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if (completeTask) {
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canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
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n.outgoing?.forEach(nn => {
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const targetTask = this.taskList.find(m => m.key === nn.targetRef.id)
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if (targetTask) {
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if (todoTask && completeTask.key === todoTask.key && !todoTask.completed){
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canvas.addMarker(nn.id, todoTask.completed ? 'highlight' : 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, todoTask.completed ? 'highlight' : 'highlight-todo')
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}else {
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canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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}
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}
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})
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}
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}
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// 排他网关
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else if (n.$type === 'bpmn:ExclusiveGateway') {
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if (completeTask) {
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canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
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n.outgoing?.forEach(nn => {
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const targetTask = this.taskList.find(m => m.key === nn.targetRef.id)
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if (targetTask) {
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canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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}
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})
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}
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}
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// 并行网关
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else if (n.$type === 'bpmn:ParallelGateway') {
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if (completeTask) {
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canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
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n.outgoing?.forEach(nn => {
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debugger
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const targetTask = this.taskList.find(m => m.key === nn.targetRef.id)
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if (targetTask) {
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canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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}
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})
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}
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}
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else if (n.$type === 'bpmn:StartEvent') {
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n.outgoing.forEach(nn => {
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const completeTask = this.taskList.find(m => m.key === nn.targetRef.id)
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if (completeTask) {
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canvas.addMarker(nn.id, 'highlight')
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canvas.addMarker(n.id, 'highlight')
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return
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}
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})
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}
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else if (n.$type === 'bpmn:EndEvent') {
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if (endTask.key === n.id && endTask.completed) {
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canvas.addMarker(n.id, 'highlight')
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return
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}
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}
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})
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},
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// 对外 api
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getProcess() {
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const element = this.getProcessElement()
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return {
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id: element.id,
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name: element.name,
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category: element.$attrs['flowable:processCategory']
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}
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},
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getProcessElement() {
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const rootElements = this.modeler.getDefinitions().rootElements
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for (let i = 0; i < rootElements.length; i++) {
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if (rootElements[i].$type === 'bpmn:Process') return rootElements[i]
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}
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},
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async saveXML(download = false) {
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try {
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const { xml } = await this.modeler.saveXML({ format: true })
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if (download) {
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this.downloadFile(`${this.getProcessElement().name}.bpmn20.xml`, xml, 'application/xml')
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}
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return xml
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} catch (err) {
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console.log(err)
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}
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},
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async showXML() {
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try {
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const { xml } = await this.modeler.saveXML({ format: true })
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debugger
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this.$emit('showXML',xml)
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} catch (err) {
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console.log(err)
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}
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},
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async saveImg(type = 'svg', download = false) {
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try {
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const { svg } = await this.modeler.saveSVG({ format: true })
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if (download) {
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this.downloadFile(this.getProcessElement().name, svg, 'image/svg+xml')
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}
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return svg
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} catch (err) {
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console.log(err)
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}
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},
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async save() {
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const process = this.getProcess()
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const xml = await this.saveXML()
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const svg = await this.saveImg()
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const result = { process, xml, svg }
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this.$emit('save', result)
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window.parent.postMessage(result, '*')
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},
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openBpmn(file) {
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const reader = new FileReader()
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reader.readAsText(file, 'utf-8')
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reader.onload = () => {
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this.createNewDiagram(reader.result)
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}
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return false
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},
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downloadFile(filename, data, type) {
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var a = document.createElement('a')
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var url = window.URL.createObjectURL(new Blob([data], { type: type }))
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a.href = url
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a.download = filename
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a.click()
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window.URL.revokeObjectURL(url)
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},
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/** 获取数据类型 */
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dataType(data){
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this.$emit('dataType', data)
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}
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}
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}
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</script>
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<style lang="scss">
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/*左边工具栏以及编辑节点的样式*/
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@import "~bpmn-js/dist/assets/diagram-js.css";
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@import "~bpmn-js/dist/assets/bpmn-font/css/bpmn.css";
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@import "~bpmn-js/dist/assets/bpmn-font/css/bpmn-codes.css";
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@import "~bpmn-js/dist/assets/bpmn-font/css/bpmn-embedded.css";
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.view-mode {
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.el-header, .el-aside, .djs-palette, .bjs-powered-by {
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display: none;
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}
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.el-loading-mask {
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background-color: initial;
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}
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.el-loading-spinner {
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display: none;
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}
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}
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.flow-containers {
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// background-color: #ffffff;
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width: 100%;
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height: 100%;
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.canvas {
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width: 100%;
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height: 100%;
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}
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.panel {
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position: absolute;
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right: 0;
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top: 50px;
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width: 300px;
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}
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.load {
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margin-right: 10px;
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}
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.el-form-item__label{
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font-size: 13px;
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}
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.djs-palette{
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left: 0px!important;
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top: 0px;
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border-top: none;
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}
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.djs-container svg {
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min-height: 650px;
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}
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.highlight.djs-shape .djs-visual > :nth-child(1) {
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fill: green !important;
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stroke: green !important;
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fill-opacity: 0.2 !important;
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}
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.highlight.djs-shape .djs-visual > :nth-child(2) {
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fill: green !important;
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}
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.highlight.djs-shape .djs-visual > path {
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fill: green !important;
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fill-opacity: 0.2 !important;
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stroke: green !important;
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}
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.highlight.djs-connection > .djs-visual > path {
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stroke: green !important;
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}
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// .djs-connection > .djs-visual > path {
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// stroke: orange !important;
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// stroke-dasharray: 4px !important;
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// fill-opacity: 0.2 !important;
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// }
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// .djs-shape .djs-visual > :nth-child(1) {
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// fill: orange !important;
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// stroke: orange !important;
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// stroke-dasharray: 4px !important;
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// fill-opacity: 0.2 !important;
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// }
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.highlight-todo.djs-connection > .djs-visual > path {
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stroke: orange !important;
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stroke-dasharray: 4px !important;
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fill-opacity: 0.2 !important;
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}
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.highlight-todo.djs-shape .djs-visual > :nth-child(1) {
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fill: orange !important;
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stroke: orange !important;
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stroke-dasharray: 4px !important;
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fill-opacity: 0.2 !important;
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}
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.overlays-div {
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font-size: 10px;
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color: red;
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width: 100px;
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top: -20px !important;
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}
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}
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</style>
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