<template>
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<div class="containers">
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<el-container style="align-items: stretch">
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<el-main class="flow-viewer">
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<div class="process-status">
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<span class="intro">状态：</span>
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<div class="finish">已办理</div>
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<div class="processing">处理中</div>
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<div class="todo">未进行</div>
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<div class="overtime">已超时</div>
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</div>
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<!-- 流程图显示 -->
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<div v-loading="loading" class="canvas" ref="flowCanvas"></div>
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<!-- 按钮区域 -->
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<el-button-group class="button-group">
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<el-tooltip effect="dark" content="适中" placement="bottom">
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<el-button size="small" 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="small" 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="small" icon="el-icon-zoom-out" @click="zoomViewport(false)" />
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</el-tooltip>
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</el-button-group>
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</el-main>
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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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import { CustomViewer as BpmnViewer } from "@/components/Process/common";
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export default {
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name: "BpmnViewer",
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/** 组件传值 */
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props: {
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// 回显数据传值
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flowData: {
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type: Object,
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default: () => {
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},
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required: false
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},
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procInsId: {
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type: String,
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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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bpmnViewer: null,
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flowDetail: {},
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loading: true,
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}
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},
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/** 传值监听 */
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watch: {
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flowData: {
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handler(newValue) {
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if (Object.keys(newValue).length > 0) {
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// 生成实例
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this.bpmnViewer && this.bpmnViewer.destroy();
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this.bpmnViewer = new BpmnViewer({
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container: this.$refs.flowCanvas,
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height: 'calc(100vh - 200px)',
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});
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this.loadFlowCanvas(newValue);
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}
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}
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},
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},
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created() {
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},
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methods: {
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// 加载流程图片
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async loadFlowCanvas(flowData) {
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try {
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await this.bpmnViewer.importXML(flowData.xmlData);
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await this.fitViewport();
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// 流程线高亮设置
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if (flowData.nodeData !== undefined && flowData.nodeData.length > 0 && this.procInsId) {
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await this.fillColor(flowData.nodeData);
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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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// 让图能自适应屏幕
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fitViewport() {
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this.zoom = this.bpmnViewer.get('canvas').zoom("fit-viewport", "auto");
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this.loading = false;
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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.bpmnViewer.get('canvas').zoom()
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this.zoom += (zoomIn ? 0.1 : -0.1)
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if (this.zoom >= 0.2) this.bpmnViewer.get('canvas').zoom(this.zoom);
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},
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// 设置高亮颜色的
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fillColor(nodeData) {
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const canvas = this.bpmnViewer.get('canvas')
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this.bpmnViewer.getDefinitions().rootElements[0].flowElements.forEach(n => {
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const completeTask = nodeData.find(m => m.key === n.id)
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const todoTask = nodeData.find(m => !m.completed)
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const endTask = nodeData[nodeData.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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if(completeTask.overtime){
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canvas.addMarker(n.id, 'highlight-overtime')
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}
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n.outgoing?.forEach(nn => {
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const targetTask = nodeData.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.$type === 'bpmn:ExclusiveGateway') {
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if (completeTask) {
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canvas.addMarker(n.id, completeTask.completed ? 'highlight' : 'highlight-todo')
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n.outgoing?.forEach(nn => {
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const targetTask = nodeData.find(m => m.key === nn.targetRef.id)
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if (targetTask) {
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canvas.addMarker(nn.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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canvas.addMarker(nn.targetRef.id, targetTask.completed ? 'highlight' : 'highlight-todo')
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}
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})
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}
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}
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// 并行网关
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else if (n.$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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const targetTask = nodeData.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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} else if (n.$type === 'bpmn:StartEvent') {
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n.outgoing.forEach(nn => {
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const completeTask = nodeData.find(m => m.key === nn.targetRef.id)
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if (completeTask) {
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canvas.addMarker(nn.id, 'highlight')
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canvas.addMarker(n.id, 'highlight')
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return;
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}
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})
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} else if (n.$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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}
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}
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</script>
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<style lang="scss">
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@import "../style/flow-viewer.scss";
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</style>
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