<template>
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<div class="process-viewer">
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<div class="process-canvas" style="height: 100%;" ref="processCanvas" v-show="!isLoading" />
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<!-- 自定义箭头样式，用于成功状态下流程连线箭头 -->
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<defs ref="customSuccessDefs">
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<marker id="sequenceflow-end-white-success" viewBox="0 0 20 20" refX="11" refY="10" markerWidth="10" markerHeight="10" orient="auto">
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<path class="success-arrow" d="M 1 5 L 11 10 L 1 15 Z" style="stroke-width: 1px; stroke-linecap: round; stroke-dasharray: 10000, 1;"></path>
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</marker>
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<marker id="conditional-flow-marker-white-success" viewBox="0 0 20 20" refX="-1" refY="10" markerWidth="10" markerHeight="10" orient="auto">
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<path class="success-conditional" d="M 0 10 L 8 6 L 16 10 L 8 14 Z" style="stroke-width: 1px; stroke-linecap: round; stroke-dasharray: 10000, 1;"></path>
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</marker>
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</defs>
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<!-- 自定义箭头样式，用于失败状态下流程连线箭头 -->
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<defs ref="customFailDefs">
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<marker id="sequenceflow-end-white-fail" viewBox="0 0 20 20" refX="11" refY="10" markerWidth="10" markerHeight="10" orient="auto">
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<path class="fail-arrow" d="M 1 5 L 11 10 L 1 15 Z" style="stroke-width: 1px; stroke-linecap: round; stroke-dasharray: 10000, 1;"></path>
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</marker>
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<marker id="conditional-flow-marker-white-fail" viewBox="0 0 20 20" refX="-1" refY="10" markerWidth="10" markerHeight="10" orient="auto">
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<path class="fail-conditional" d="M 0 10 L 8 6 L 16 10 L 8 14 Z" style="stroke-width: 1px; stroke-linecap: round; stroke-dasharray: 10000, 1;"></path>
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</marker>
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</defs>
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<!-- 已完成节点悬浮弹窗 -->
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<el-dialog class="comment-dialog" :title="dlgTitle || '审批记录'" :visible.sync="dialogVisible">
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<el-row>
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<el-table :data="taskCommentList" size="mini" border header-cell-class-name="table-header-gray">
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<el-table-column label="序号" header-align="center" align="center" type="index" width="55px" />
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<el-table-column label="候选办理" prop="candidate" width="150px" align="center"/>
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<el-table-column label="实际办理" prop="assigneeName" width="100px" align="center"/>
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<el-table-column label="处理时间" prop="createTime" width="140px" align="center"/>
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<el-table-column label="办结时间" prop="finishTime" width="140px" align="center" />
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<el-table-column label="耗时" prop="duration" width="100px" align="center"/>
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<el-table-column label="审批意见" align="center">
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<template slot-scope="scope">
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{{scope.row.commentList&&scope.row.commentList[0]?scope.row.commentList[0].fullMessage:''}}
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</template>
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</el-table-column>
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</el-table>
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</el-row>
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</el-dialog>
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<div style="position: absolute; top: 0px; left: 0px; width: 100%;">
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<el-row type="flex" justify="end">
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<el-button-group key="scale-control" size="medium">
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<el-button size="medium" type="default" :plain="true" :disabled="defaultZoom <= 0.3" icon="el-icon-zoom-out" @click="processZoomOut()" />
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<el-button size="medium" type="default" style="width: 90px;">{{ Math.floor(this.defaultZoom * 10 * 10) + "%" }}</el-button>
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<el-button size="medium" type="default" :plain="true" :disabled="defaultZoom >= 3.9" icon="el-icon-zoom-in" @click="processZoomIn()" />
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<el-button size="medium" type="default" icon="el-icon-c-scale-to-original" @click="processReZoom()" />
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<slot />
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</el-button-group>
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</el-row>
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</div>
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</div>
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</template>
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<script>
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import '@/plugins/package/theme/index.scss';
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import BpmnViewer from 'bpmn-js/lib/Viewer';
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import MoveCanvasModule from 'diagram-js/lib/navigation/movecanvas';
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export default {
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props: {
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xml: {
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type: String
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},
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finishedInfo: {
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type: Object
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},
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// 所有节点审批记录
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allCommentList: {
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type: Array
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}
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},
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data () {
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return {
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dialogVisible: false,
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dlgTitle: undefined,
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defaultZoom: 1,
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// 是否正在加载流程图
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isLoading: false,
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bpmnViewer: undefined,
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// 已完成流程元素
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processNodeInfo: undefined,
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// 当前任务id
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selectTaskId: undefined,
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// 任务节点审批记录
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taskCommentList: [],
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// 已完成任务悬浮延迟Timer
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hoverTimer: null
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}
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},
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watch: {
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xml: {
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handler(newXml) {
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this.importXML(newXml);
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},
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immediate: true
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},
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finishedInfo: {
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handler(newInfo) {
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this.setProcessStatus(newInfo);
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},
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immediate: true
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}
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},
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created() {
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this.$nextTick(() => {
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this.importXML(this.xml)
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this.setProcessStatus(this.finishedInfo);
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})
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},
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methods: {
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processReZoom() {
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this.defaultZoom = 1;
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this.bpmnViewer.get('canvas').zoom('fit-viewport', 'auto');
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},
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processZoomIn(zoomStep = 0.1) {
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let newZoom = Math.floor(this.defaultZoom * 100 + zoomStep * 100) / 100;
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if (newZoom > 4) {
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throw new Error('[Process Designer Warn ]: The zoom ratio cannot be greater than 4');
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}
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this.defaultZoom = newZoom;
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this.bpmnViewer.get('canvas').zoom(this.defaultZoom);
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},
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processZoomOut(zoomStep = 0.1) {
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let newZoom = Math.floor(this.defaultZoom * 100 - zoomStep * 100) / 100;
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if (newZoom < 0.2) {
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throw new Error('[Process Designer Warn ]: The zoom ratio cannot be less than 0.2');
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}
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this.defaultZoom = newZoom;
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this.bpmnViewer.get('canvas').zoom(this.defaultZoom);
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},
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getOperationTagType(type) {
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return 'success';
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// switch (type) {
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// case this.SysFlowTaskOperationType.AGREE:
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// case this.SysFlowTaskOperationType.MULTI_AGREE:
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// return 'success';
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// case this.SysFlowTaskOperationType.REFUSE:
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// case this.SysFlowTaskOperationType.PARALLEL_REFUSE:
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// case this.SysFlowTaskOperationType.MULTI_REFUSE:
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// return 'warning';
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// case this.SysFlowTaskOperationType.STOP:
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// return 'danger'
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// default:
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// return 'primary';
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// }
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},
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// 流程图预览清空
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clearViewer() {
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if (this.$refs.processCanvas) {
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this.$refs.processCanvas.innerHTML = '';
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}
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if (this.bpmnViewer) {
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this.bpmnViewer.destroy();
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}
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this.bpmnViewer = null;
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},
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// 添加自定义箭头
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addCustomDefs() {
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const canvas = this.bpmnViewer.get('canvas');
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const svg = canvas._svg;
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const customSuccessDefs = this.$refs.customSuccessDefs;
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const customFailDefs = this.$refs.customFailDefs;
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svg.appendChild(customSuccessDefs);
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svg.appendChild(customFailDefs);
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},
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// 任务悬浮弹窗
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onSelectElement(element) {
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this.selectTaskId = undefined;
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this.dlgTitle = undefined;
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if (this.processNodeInfo == null || this.processNodeInfo.finishedTaskSet == null) return;
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if (element == null || this.processNodeInfo.finishedTaskSet.indexOf(element.id) === -1) {
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return;
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}
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this.selectTaskId = element.id;
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this.dlgTitle = element.businessObject ? element.businessObject.name : undefined;
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// 计算当前悬浮任务审批记录，如果记录为空不显示弹窗
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this.taskCommentList = (this.allCommentList || []).filter(item => {
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return item.activityId === this.selectTaskId;
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});
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this.dialogVisible = true;
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},
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// 显示流程图
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async importXML(xml) {
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this.clearViewer();
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if (xml != null && xml !== '') {
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try {
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this.bpmnViewer = new BpmnViewer({
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additionalModules: [
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// 移动整个画布
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MoveCanvasModule
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],
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container: this.$refs.processCanvas,
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});
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// 任务节点悬浮事件
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this.bpmnViewer.on('element.click', ({ element }) => {
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this.onSelectElement(element);
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});
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this.isLoading = true;
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await this.bpmnViewer.importXML(xml);
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this.addCustomDefs();
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} catch (e) {
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this.clearViewer();
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} finally {
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this.isLoading = false;
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this.setProcessStatus(this.processNodeInfo);
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}
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}
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},
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// 设置流程图元素状态
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setProcessStatus (processNodeInfo) {
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this.processNodeInfo = processNodeInfo;
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if (this.isLoading || this.processNodeInfo == null || this.bpmnViewer == null) return;
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let { finishedTaskSet, rejectedTaskSet, unfinishedTaskSet, finishedSequenceFlowSet } = this.processNodeInfo;
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const canvas = this.bpmnViewer.get('canvas');
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const elementRegistry = this.bpmnViewer.get('elementRegistry');
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if (Array.isArray(finishedSequenceFlowSet)) {
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finishedSequenceFlowSet.forEach(item => {
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if (item != null) {
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canvas.addMarker(item, 'success');
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let element = elementRegistry.get(item);
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const conditionExpression = element.businessObject.conditionExpression;
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if (conditionExpression) {
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canvas.addMarker(item, 'condition-expression');
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}
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}
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});
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}
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if (Array.isArray(finishedTaskSet)) {
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finishedTaskSet.forEach(item => canvas.addMarker(item, 'success'));
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}
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if (Array.isArray(unfinishedTaskSet)) {
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unfinishedTaskSet.forEach(item => canvas.addMarker(item, 'primary'));
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}
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if (Array.isArray(rejectedTaskSet)) {
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rejectedTaskSet.forEach(item => {
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if (item != null) {
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let element = elementRegistry.get(item);
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if (element.type.includes('Task')) {
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canvas.addMarker(item, 'danger');
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} else {
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canvas.addMarker(item, 'warning');
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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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destroyed() {
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this.clearViewer();
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}
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}
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</script>
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<style scoped>
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</style>
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