<!-- @author zhengjie -->
<template>
  <div class="icon-body">
    <el-input
      v-model="name"
      class="icon-search"
      clearable
      placeholder="请输入图标名称"
      @clear="filterIcons"
      @input="filterIcons"
    >
      <i slot="suffix" class="el-icon-search el-input__icon" />
    </el-input>
    <div class="icon-list">
      <div class="list-container">
        <div
          v-for="(item, index) in iconList"
          :key="index"
          class="icon-item-wrapper"
          @click="selectedIcon(item)"
        >
          <div :class="['icon-item', { active: activeIcon === item }]">
            <svg-icon
              :icon-class="item"
              class-name="icon"
              style="height: 25px; width: 16px"
            />
            <span>{{ item }}</span>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import icons from './requireIcons';
export default {
  name: 'IconSelect',
  props: {
    activeIcon: {
      type: String
    }
  },
  data() {
    return {
      name: '',
      iconList: icons
    };
  },
  methods: {
    filterIcons() {
      this.iconList = icons;
      if (this.name) {
        this.iconList = this.iconList.filter((item) =>
          item.includes(this.name)
        );
      }
    },
    selectedIcon(name) {
      this.$emit('selected', name);
      document.body.click();
    },
    reset() {
      this.name = '';
      this.iconList = icons;
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.icon-body {
  width: 100%;
  padding: 10px;
  .icon-search {
    position: relative;
    margin-bottom: 5px;
  }
  .icon-list {
    height: 200px;
    overflow: auto;
    .list-container {
      display: flex;
      flex-wrap: wrap;
      .icon-item-wrapper {
        width: calc(100% / 3);
        height: 25px;
        line-height: 25px;
        cursor: pointer;
        display: flex;
        .icon-item {
          display: flex;
          max-width: 100%;
          height: 100%;
          padding: 0 5px;
          &:hover {
            background: #ececec;
            border-radius: 5px;
          }
          .icon {
            flex-shrink: 0;
          }
          span {
            display: inline-block;
            vertical-align: -0.15em;
            fill: currentColor;
            padding-left: 2px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
          }
        }
        .icon-item.active {
          background: #ececec;
          border-radius: 5px;
        }
      }
    }
  }
}
</style>
