<template>
  <a-time-picker
    :disabled="disabled || readOnly"
    :placeholder="placeholder"
    :value="momVal"
    :format="dateFormat"
    :getCalendarContainer="getCalendarContainer"
    @change="handleTimeChange"/>
</template>

<script>
import moment from 'moment'

export default {
  name: 'JTime',
  props: {
    placeholder: {
      type: String,
      default: '',
      required: false
    },
    value: {
      type: String,
      required: false
    },
    dateFormat: {
      type: String,
      default: 'HH:mm:ss',
      required: false
    },
    readOnly: {
      type: Boolean,
      required: false,
      default: false
    },
    disabled: {
      type: Boolean,
      required: false,
      default: false
    },
    getCalendarContainer: {
      type: Function,
      default: (node) => node.parentNode
    }
  },
  data() {
    let timeStr = this.value;
    return {
      decorator: "",
      momVal: !timeStr ? null : moment(timeStr, this.dateFormat)
    }
  },
  watch: {
    value(val) {
      if (!val) {
        this.momVal = null
      } else {
        this.momVal = moment(val, this.dateFormat)
      }
    }
  },
  methods: {
    moment,
    handleTimeChange(mom, timeStr) {
      this.$emit('change', timeStr);
    }
  },
  //2.2新增 在组件内定义 指定父组件调用时候的传值属性和事件类型 这个牛逼
  model: {
    prop: 'value',
    event: 'change'
  }
}
</script>

<style scoped>

</style>