<!--
 * @Date: 2022-08-29 14:31:20
 * @LastEditors: hookehuyr hookehuyr@gmail.com
 * @LastEditTime: 2024-11-20 17:02:26
 * @FilePath: /data-table/src/components/TextareaField/index.vue
 * @Description: 多行文本输入框
-->
<template>
  <div v-if="HideShow" class="textarea-field-page">
    <div class="label">
      <span v-if="item.component_props.disabled_show"><van-icon name="https://cdn.ipadbiz.cn/custom_form/icon/closed-eye1.png" /></span>
      <span v-if="item.component_props.required" style="color: red">*&nbsp;</span>
      <span :class="[ReadonlyShow ? 'readonly-show' : '']">{{ item.component_props.label }}</span>
    </div>
    <div
      v-if="item.component_props.note"
      v-html="item.component_props.note"
      style="font-size: 0.9rem; margin-left: 1rem; color: gray; padding-bottom: 0.5rem; padding-top: 0.25rem; white-space: pre-wrap;"
    />
    <div v-if="item.component_props.readonly" style="padding: 0.5rem 1rem; font-size: 0.9rem; text-align: justify;" v-html="item.value"></div>
    <van-field
      v-else
      v-model="item.value"
      :name="item.name"
      :type="item.type"
      :placeholder="item.component_props.placeholder ? item.component_props.placeholder : '请输入'"
      :rules="item.rules"
      :required="item.component_props.required"
      :readonly="item.component_props.readonly"
      :rows="item.component_props.rows"
      autosize
      :maxlength="item.component_props.maxlength ? item.component_props.maxlength : null"
      :show-word-limit="item.component_props.maxlength"
      @blur="onBlur(item)"
    />
  </div>
</template>

<script setup>
import { useRoute } from "vue-router";
import Cookies from 'js-cookie';

const props = defineProps({
  item: Object,
});

const $route = useRoute();

// 隐藏显示
const HideShow = computed(() => {
  return !props.item.component_props.disabled
});

// 只读显示-流程模式
const ReadonlyShow = computed(() => {
  return ($route.query.page_type === 'flow' || $route.query.page_type === 'edit') && !props.item.component_props.readonly;
});

onMounted(() => {
  // 只读模式下默认值替换换行符
  props.item.value = props.item.component_props.readonly ? props.item.component_props.default?.replace(/\n/g, "<br>") : props.item.component_props.default;
})

// 适配cookie保存未完成表单
const onBlur = (item) => {
  const currentValue = item.value;
  const existingCookie = Cookies.get($route.query.code);

  if (existingCookie) {
    // 如果Cookie存在，更新它
    let obj = JSON.parse(existingCookie);
    obj[props.item.key] = currentValue; // 替换掉旧值
    Cookies.set($route.query.code, JSON.stringify(obj), { expires: 1 });
  } else {
    // 如果Cookie不存在，新增它
    Cookies.set($route.query.code, JSON.stringify({ [props.item.key]: currentValue }), { expires: 1 });
  }
}
</script>

<style lang="less" scoped>
.textarea-field-page {
  .label {
    padding: 1rem 1rem 0 1rem;
    font-size: 0.9rem;
    font-weight: bold;
  }
}

:deep(.van-cell__value) {
  border: var(--border-style);
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
}
</style>