<template>
  <view class="uni-load-more">
    <view v-show="status === 'loading' && showIcon" class="uni-load-more__img">
      <view class="load1 load">
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
      </view>
      <view class="load2 load">
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
      </view>
      <view class="load3 load">
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
        <view :style="{ background: color }" class="uni-load-view_wrapper" />
      </view>
    </view>
    <text :style="{ color: color }" class="uni-load-more__text">
      <block v-if="isCart">
        <text class="line"></text>
        {{ status === 'more' ? $t('上拉显示更多') : status === 'loading' ? $t('正在加载...') : $t('—— 我也是有底线的 ——') }}
        <text class="line"></text>
      </block>
      <block v-else>
        {{ status === 'more' ? $t('上拉显示更多') : status === 'loading' ? $t('正在加载...') : $t('没有更多数据了') }}
      </block>
    </text>
  </view>
</template>

<script>
export default {
  name: 'UniLoadMore',
  props: {
    status: {
      // 上拉的状态：more-loading前；loading-loading中；noMore-没有更多了
      type: String,
      default: 'more',
    },
    showIcon: {
      type: Boolean,
      default: true,
    },
    color: {
      type: String,
      default: '#777777',
    },
    contentText: {
      type: Object,
      default() {
        return {
          contentdown: global.i18n.t('上拉显示更多'),
          contentrefresh: global.i18n.t('正在加载...'),
          contentnomore: global.i18n.t('没有更多数据了'),
        }
      },
    },
    isCart: {
      type: Boolean,
      default: false,
    },
  },
  data() {
    return {}
  },
}
</script>

<style>
@charset "UTF-8";

.uni-load-more {
  display: flex;
  flex-direction: row;
  height: 100upx;
  align-items: center;
  justify-content: center;
}

.uni-load-more__text {
  font-size: 24upx;
  color: #bfbfbf !important;
}

.uni-load-more__img {
  height: 24px;
  width: 24px;
  margin-right: 10px;
}

.uni-load-more__img > .load {
  position: absolute;
}

.uni-load-more__img > .load .uni-load-view_wrapper {
  width: 6px;
  height: 2px;
  border-top-left-radius: 1px;
  border-bottom-left-radius: 1px;
  background: #999;
  position: absolute;
  opacity: 0.2;
  transform-origin: 50%;
  animation: load 1.56s ease infinite;
}

.uni-load-more__img > .load .uni-load-view_wrapper:nth-child(1) {
  transform: rotate(90deg);
  top: 2px;
  left: 9px;
}

.uni-load-more__img > .load .uni-load-view_wrapper:nth-child(2) {
  transform: rotate(180deg);
  top: 11px;
  right: 0;
}

.uni-load-more__img > .load .uni-load-view_wrapper:nth-child(3) {
  transform: rotate(270deg);
  bottom: 2px;
  left: 9px;
}

.uni-load-more__img > .load .uni-load-view_wrapper:nth-child(4) {
  top: 11px;
  left: 0;
}

.load1,
.load2,
.load3 {
  height: 24px;
  width: 24px;
}

.load2 {
  transform: rotate(30deg);
}

.load3 {
  transform: rotate(60deg);
}

.load1 .uni-load-view_wrapper:nth-child(1) {
  animation-delay: 0s;
}

.load2 .uni-load-view_wrapper:nth-child(1) {
  animation-delay: 0.13s;
}

.load3 .uni-load-view_wrapper:nth-child(1) {
  animation-delay: 0.26s;
}

.load1 .uni-load-view_wrapper:nth-child(2) {
  animation-delay: 0.39s;
}

.load2 .uni-load-view_wrapper:nth-child(2) {
  animation-delay: 0.52s;
}

.load3 .uni-load-view_wrapper:nth-child(2) {
  animation-delay: 0.65s;
}

.load1 .uni-load-view_wrapper:nth-child(3) {
  animation-delay: 0.78s;
}

.load2 .uni-load-view_wrapper:nth-child(3) {
  animation-delay: 0.91s;
}

.load3 .uni-load-view_wrapper:nth-child(3) {
  animation-delay: 1.04s;
}

.load1 .uni-load-view_wrapper:nth-child(4) {
  animation-delay: 1.17s;
}

.load2 .uni-load-view_wrapper:nth-child(4) {
  animation-delay: 1.3s;
}

.load3 .uni-load-view_wrapper:nth-child(4) {
  animation-delay: 1.43s;
}

@-webkit-keyframes load {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0.2;
  }
}
</style>
