<template>
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<div>
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<el-form label-width="100px" size="small" @submit.native.prevent>
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<el-form-item>
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<template slot="label">
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<span>
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流转类型
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<el-tooltip placement="top">
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<template slot="content">
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<div>
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普通流转路径:流程执行过程中,一个元素被访问后,会沿着其所有出口顺序流继续执行。
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<br />默认流转路径:只有当没有其他顺序流可以选择时,才会选择默认顺序流作为活动的出口顺序流。流程会忽略默认顺序流上的条件。
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<br />条件流转路径:是计算其每个出口顺序流上的条件。当条件计算为true时,选择该出口顺序流。如果该方法选择了多条顺序流,则会生成多个执行,流程会以并行方式继续。
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</div>
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</template>
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<i class="el-icon-question" />
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</el-tooltip>
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</span>
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</template>
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<el-select v-model="bpmnFormData.type" @change="updateFlowType">
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<el-option label="普通流转路径" value="normal" />
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<el-option label="默认流转路径" value="default" />
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<el-option label="条件流转路径" value="condition" />
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</el-select>
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</el-form-item>
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<el-form-item label="条件格式" v-if="bpmnFormData.type === 'condition'" key="condition">
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<el-select v-model="bpmnFormData.conditionType">
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<el-option label="表达式" value="expression" />
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<el-option label="脚本" value="script" />
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</el-select>
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</el-form-item>
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<el-form-item label="表达式" v-if="bpmnFormData.conditionType && bpmnFormData.conditionType === 'expression'" key="express">
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<el-input v-model="bpmnFormData.body" clearable @change="updateFlowCondition" />
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</el-form-item>
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<template v-if="bpmnFormData.conditionType && bpmnFormData.conditionType === 'script'">
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<el-form-item label="脚本语言" key="language">
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<el-input v-model="bpmnFormData.language" clearable @change="updateFlowCondition" />
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</el-form-item>
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<el-form-item label="脚本类型" key="scriptType">
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<el-select v-model="bpmnFormData.scriptType">
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<el-option label="内联脚本" value="inlineScript" />
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<el-option label="外部脚本" value="externalScript" />
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</el-select>
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</el-form-item>
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<el-form-item label="脚本" v-if="bpmnFormData.scriptType === 'inlineScript'" key="body">
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<el-input v-model="bpmnFormData.body" type="textarea" clearable @change="updateFlowCondition" />
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</el-form-item>
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<el-form-item label="资源地址" v-if="bpmnFormData.scriptType === 'externalScript'" key="resource">
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<el-input v-model="bpmnFormData.resource" clearable @change="updateFlowCondition" />
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</el-form-item>
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</template>
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</el-form>
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</div>
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</template>
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<script>
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import {StrUtil} from "@/utils/StrUtil";
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export default {
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name: "BpmnModel",
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/** 组件传值 */
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props : {
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id: {
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type: String,
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required: true
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},
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},
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data() {
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return {
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bpmnElementSource: {},
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bpmnElementSourceRef: {},
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bpmnFormData: {}
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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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id: {
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handler(newVal) {
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if (StrUtil.isNotBlank(newVal)) {
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this.resetFlowCondition();
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}
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},
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immediate: true, // 立即生效
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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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// 方法区
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resetFlowCondition() {
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this.bpmnFormData = {
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body: null
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};
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this.bpmnElementSource = this.modelerStore.element.source;
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this.bpmnElementSourceRef = this.modelerStore.element.businessObject.sourceRef;
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if (this.bpmnElementSourceRef && this.bpmnElementSourceRef.default && this.bpmnElementSourceRef.default.id === this.modelerStore.element.id) {
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// 默认
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this.$set(this.bpmnFormData, "type", "default");
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} else if (!this.modelerStore.element.businessObject.conditionExpression) {
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// 普通
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this.$set(this.bpmnFormData, "type", "normal");
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} else {
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// 带条件
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const conditionExpression = this.modelerStore.element.businessObject.conditionExpression;
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this.bpmnFormData = {...conditionExpression, type: "condition"};
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// resource 可直接标识 是否是外部资源脚本
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if (this.bpmnFormData.resource) {
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this.$set(this.bpmnFormData, "conditionType", "script");
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this.$set(this.bpmnFormData, "scriptType", "externalScript");
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return;
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}
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if (conditionExpression.language) {
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this.$set(this.bpmnFormData, "conditionType", "script");
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this.$set(this.bpmnFormData, "scriptType", "inlineScript");
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return;
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}
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this.$set(this.bpmnFormData, "conditionType", "expression");
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}
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},
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updateFlowType(flowType) {
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// 正常条件类
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if (flowType === "condition") {
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const flowConditionRef = this.modelerStore.moddle.create("bpmn:FormalExpression");
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this.modelerStore.modeling.updateProperties(this.modelerStore.element, {
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conditionExpression: flowConditionRef
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});
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return;
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}
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// 默认路径
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if (flowType === "default") {
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this.modelerStore.modeling.updateProperties(this.modelerStore.element, {
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conditionExpression: null
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});
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this.modelerStore.modeling.updateProperties(this.bpmnElementSource, {
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default: this.modelerStore.element
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});
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// 清空条件格式
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this.bpmnFormData.conditionType = null;
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return;
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}
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// 清空条件格式
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this.bpmnFormData.conditionType = null;
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// 正常路径,如果来源节点的默认路径是当前连线时,清除父元素的默认路径配置
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if (this.bpmnElementSourceRef.default && this.bpmnElementSourceRef.default.id === this.modelerStore.element.id) {
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this.modelerStore.modeling.updateProperties(this.bpmnElementSource, {
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default: null
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});
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}
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this.modelerStore.modeling.updateProperties(this.modelerStore.element, {
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conditionExpression: null
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});
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},
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updateFlowCondition() {
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let {conditionType, scriptType, body, resource, language} = this.bpmnFormData;
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let condition;
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if (conditionType === "expression") {
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condition = this.modelerStore.moddle.create("bpmn:FormalExpression", {body});
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} else {
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if (scriptType === "inlineScript") {
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condition = this.modelerStore.moddle.create("bpmn:FormalExpression", {body, language});
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this.$set(this.bpmnFormData, "resource", "");
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} else {
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this.$set(this.bpmnFormData, "body", "");
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condition = this.modelerStore.moddle.create("bpmn:FormalExpression", {resource, language});
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}
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}
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this.modelerStore.modeling.updateProperties(this.modelerStore.element, {conditionExpression: condition});
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}
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}
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}
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</script>
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