<template>
  <div class="artcle">
   <el-form
    label-width="100px"
    :model="testForm">
    <el-form-item
     v-for="(vtem, index) in testForm.version"
     :key="index"
     label="命令版本">
     <el-select
      @change="comChange"
      v-model="vtem.ver">
      <el-option
       v-for="item in versionList"
       :key="item.id"
       :value="item.id"
       :disabled="item.id == vtem.ver || selectedArr.includes(item.id)"
       :label="item.name">
      </el-option>
     </el-select>
     <el-button
      icon="el-icon-circle-plus-outline"
      size="small"
      @click="add(index)"
      circle></el-button>
     <el-button
      icon="el-icon-remove-outline"
      size="small"
      @click="remove(index)"
      :disabled="index === 0"
      circle></el-button>
    </el-form-item>
    <el-form-item
     label="測試輸入框">
     <el-input
      v-model="testForm.input"></el-input>
    </el-form-item>
   </el-form>
  </div>
</template>

<template>
 <div class="program" v-for="(parItem,index) in parArr" :key="parItem.guid">
  <Select v-model="parItem.id" @on-change="onChangeProgram">
   <Option v-for="(subItem,idx) in programList" :key="subItem.id" :data-index='idx'
    v-show="parItem.id == subItem.id || !selectIdsArr.includes(subItem.id)"
    :value="subItem.id> {{subItem.name}}</Option>
  </Select>
 </div>
</template>
<script>
export default {
 data() {
  return {
   parArr:[],
   selectIdsArr:[],
   programList:[{
    "id":1,
    "name":"選項1"
   },{
    "id":2,
    "name":"選項2"
   },{
    "id":3,
    "name":"選項3"
   }],
  }
 },
 methods: {
  onChangeProgram() {
   this.selectIdsArr = [];
   for (const item of this.parArr) {
    if (item.id) {
     this.selectIdsArr.push(item.id);
    }
   }
  },
 },
}
</script>