基于jeecgboot的flowable流程支持定时捕获事件

<template>
  <div class="panel-tab__content">
    <!--目前只处理定时捕获事件 -->
    <el-form size="mini" label-width="90px" @submit.native.prevent v-if="this.businessObject.eventDefinitions[0].$type.indexOf('TimerEventDefinition') !== -1">
      <el-form-item label="事件类型">
        <el-select v-model="timeDefinitionType" @change="changeTimerType">
          <!--bpmn:TimerEventDefinition-->
          <el-option label="指定时间" value="timeDate" />
          <el-option label="持续时间" value="timeDuration" />
          <el-option label="周期执行" value="timeCycle" />
        </el-select>
      </el-form-item>
      <template v-if="timeDefinitionType != ''">
        <el-form-item label="时间设置" required>
            <el-tooltip>
              <div slot="content">
                事件类型配置说明<br>
                1.指定时间(timeDate):触发事件的时间,如:2022-12-16T11:12:16 <br>
                2.持续时间(timeDuration):指定时器之前需等待多长时间,使用ISO 8601规定的格式<br>
                 (由BPMN 2.0规定),如PT5M(等待5分钟),也支持表达式${duration},<br>
                 这样你就可以通过流程变量来影响定时器定义<br>
                3.周期执行(timeCycle):指定重复执行的间隔,可以用来定期启动流程实例,<br>
                或为超时时间发送多个提醒。timeCycle元素可以使用两种格式。<br>
                第一种是 ISO 8601 标准的格式。示例值(R3/PT5M)(重复3次,<br>
                每次间隔5分钟),或也可以用cron表达式指定timeCycle,如从整点开始,<br>
                每10分钟执行一次(0 0/10 * * * ?)<br>
              </div>
              <el-input size="mini" type="string" v-model="FormalExpression" @change="updateTimeValue"></el-input>
            </el-tooltip>
        </el-form-item>
      </template>
    </el-form>
  </div>
</template>
<script>
export default {
  name: "CatchEvent",
  props: {
    businessObject: Object,
    type: String
  },
  inject: {
    prefix: "prefix"
  },
  data() {
    return {
      timeDefinitionType: "",
      FormalExpression:'',
    }; 
  },
  watch: {
    businessObject: {
      immediate: true,
      handler(val) {
        this.bpmnElement = window.bpmnInstances.bpmnElement;
        this.getElementLoop(val);
      }
    }
  },
  methods: {
    getElementLoop(businessObject) {//获取定时捕获事件原有值
      console.log("getElementLoop businessObject=",businessObject)
      console.log("window.bpmnInstances.bpmnElement.businessObject=",window.bpmnInstances.bpmnElement.businessObject);
      if(businessObject.hasOwnProperty('eventDefinitions') && businessObject.eventDefinitions.length>0){
        if(businessObject.eventDefinitions[0].$type == 'bpmn:TimerEventDefinition') {
          if(businessObject.eventDefinitions[0].hasOwnProperty('timeDuration')) {
            this.timeDefinitionType = "timeDuration"
            this.FormalExpression = businessObject.eventDefinitions[0].timeDuration.body
          }
          else if(businessObject.eventDefinitions[0].hasOwnProperty('timeDate')) {
            this.timeDefinitionType = "timeDate"
            this.FormalExpression = businessObject.eventDefinitions[0].timeDate.body
          }
          else if(businessObject.eventDefinitions[0].hasOwnProperty('timeCycle')) {
            this.timeDefinitionType = "timeCycle"
            this.FormalExpression = businessObject.eventDefinitions[0].timeCycle.body
            
          }
        }
      }
    },
    changeTimerType(type) {
      this.timeDefinitionType = type
    },
    //
    updateTimeValue(value) {
      console.log("updateTimeValue value=",value);
      this.updateTime(this.timeDefinitionType,value);
      console.log("updateTimeValue this.bpmnElement=",this.bpmnElement);
    },
    //时间事件定义类型修改
    updateTime(type,value){
      //获取节点的子节点 timerEventDefinition
      console.log("updatetime type=",type)
      let timerEventDef = this.bpmnElement.businessObject.eventDefinitions[0]
      const timeCycle = window.bpmnInstances.moddle.create("bpmn:FormalExpression", { body:value });
      const timeDate = window.bpmnInstances.moddle.create("bpmn:FormalExpression", { body:value });
      const timeDuration = window.bpmnInstances.moddle.create("bpmn:FormalExpression", { body:value });
      if (type == 'timeCycle') {
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeDate:null})
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeDuration:null})
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeCycle })
      }
      else if (type == 'timeDate') {
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeCycle:null})
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeDuration:null})
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{ timeDate })
      }
      else if (type == 'timeDuration') {
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeDate:null})
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{timeCycle:null})
        window.bpmnInstances.modeling.updateModdleProperties(this.bpmnElement,timerEventDef,{ timeDuration })
      }  
      
    },
    beforeDestroy() {
      this.bpmnElement = null;
    },
  }  
};
</script>