<template>
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<div class="panel-tab__content">
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<el-form :model="flowConditionForm" label-width="90px" size="mini" @submit.native.prevent>
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<el-form-item label="流转类型">
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<el-select v-model="flowConditionForm.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="flowConditionForm.type === 'condition'" key="condition">
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<el-select v-model="flowConditionForm.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="flowConditionForm.conditionType && flowConditionForm.conditionType === 'expression'" key="express">
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<el-input v-model="flowConditionForm.body" clearable @change="updateFlowCondition" />
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</el-form-item>
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<template v-if="flowConditionForm.conditionType && flowConditionForm.conditionType === 'script'">
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<el-form-item label="脚本语言" key="language">
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<el-input v-model="flowConditionForm.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="flowConditionForm.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="flowConditionForm.scriptType === 'inlineScript'" key="body">
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<el-input v-model="flowConditionForm.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="flowConditionForm.scriptType === 'externalScript'" key="resource">
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<el-input v-model="flowConditionForm.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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export default {
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name: "FlowCondition",
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props: {
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businessObject: Object,
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type: String
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},
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data() {
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return {
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flowConditionForm: {}
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};
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},
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watch: {
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businessObject: {
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immediate: true,
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handler() {
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this.$nextTick(() => this.resetFlowCondition());
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}
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}
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},
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methods: {
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resetFlowCondition() {
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this.bpmnElement = window.bpmnInstances.bpmnElement;
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this.bpmnElementSource = this.bpmnElement.source;
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this.bpmnElementSourceRef = this.bpmnElement.businessObject.sourceRef;
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if (this.bpmnElementSourceRef && this.bpmnElementSourceRef.default && this.bpmnElementSourceRef.default.id === this.bpmnElement.id) {
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// 默认
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this.flowConditionForm = { type: "default" };
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} else if (!this.bpmnElement.businessObject.conditionExpression) {
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// 普通
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this.flowConditionForm = { type: "normal" };
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} else {
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// 带条件
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const conditionExpression = this.bpmnElement.businessObject.conditionExpression;
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this.flowConditionForm = { ...conditionExpression, type: "condition" };
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// resource 可直接标识 是否是外部资源脚本
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if (this.flowConditionForm.resource) {
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this.$set(this.flowConditionForm, "conditionType", "script");
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this.$set(this.flowConditionForm, "scriptType", "externalScript");
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return;
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}
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if (conditionExpression.language) {
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this.$set(this.flowConditionForm, "conditionType", "script");
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this.$set(this.flowConditionForm, "scriptType", "inlineScript");
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return;
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}
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this.$set(this.flowConditionForm, "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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this.flowConditionRef = window.bpmnInstances.moddle.create("bpmn:FormalExpression");
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window.bpmnInstances.modeling.updateProperties(this.bpmnElement, {
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conditionExpression: this.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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window.bpmnInstances.modeling.updateProperties(this.bpmnElement, {
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conditionExpression: null
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});
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window.bpmnInstances.modeling.updateProperties(this.bpmnElementSource, {
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default: this.bpmnElement
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});
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return;
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}
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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.bpmnElement.id) {
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window.bpmnInstances.modeling.updateProperties(this.bpmnElementSource, {
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default: null
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});
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}
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window.bpmnInstances.modeling.updateProperties(this.bpmnElement, {
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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.flowConditionForm;
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let condition;
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if (conditionType === "expression") {
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condition = window.bpmnInstances.moddle.create("bpmn:FormalExpression", { body });
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} else {
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if (scriptType === "inlineScript") {
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condition = window.bpmnInstances.moddle.create("bpmn:FormalExpression", { body, language });
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this.$set(this.flowConditionForm, "resource", "");
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} else {
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this.$set(this.flowConditionForm, "body", "");
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condition = window.bpmnInstances.moddle.create("bpmn:FormalExpression", { resource, language });
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}
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}
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window.bpmnInstances.modeling.updateProperties(this.bpmnElement, { conditionExpression: condition });
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}
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},
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beforeDestroy() {
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this.bpmnElement = null;
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this.bpmnElementSource = null;
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this.bpmnElementSourceRef = null;
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}
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};
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</script>
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