import Vue from 'vue'
import SvgIcon from '@/components/SvgIcon'// svg component
 
// register globally
Vue.component('svg-icon', SvgIcon)
 
const req = require.context('./svg', false, /\.svg$/)
const requireAll = requireContext => requireContext.keys().map(requireContext)
requireAll(req)

# replace default config
 
# multipass: true
# full: true
 
plugins:
 
  # - name
  #
  # or:
  # - name: false
  # - name: true
  #
  # or:
  # - name:
  #     param1: 1
  #     param2: 2
 
- removeAttrs:
    attrs:
      - 'fill'
      - 'fill-rule'

<template>
  <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$listeners" />
  <svg v-else :class="svgClass" aria-hidden="true" v-on="$listeners">
    <use :xlink:href="iconName" rel="external nofollow"  />
  </svg>
</template>
 
<script>
// doc: https://panjiachen.github.io/vue-element-admin-site/feature/component/svg-icon.html#usage
import { isExternal } from '@/utils/validate'
 
export default {
  name: 'SvgIcon',
  props: {
    iconClass: {
      type: String,
      required: true
    },
    className: {
      type: String,
      default: ''
    }
  },
  computed: {
    isExternal() {
      return isExternal(this.iconClass)
    },
    iconName() {
      return `#icon-${this.iconClass}`
    },
    svgClass() {
      if (this.className) {
        return 'svg-icon ' + this.className
      } else {
        return 'svg-icon'
      }
    },
    styleExternalIcon() {
      return {
        mask: `url(${this.iconClass}) no-repeat 50% 50%`,
        '-webkit-mask': `url(${this.iconClass}) no-repeat 50% 50%`
      }
    }
  }
}
</script>
 
<style scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}
 
.svg-external-icon {
  background-color: currentColor;
  mask-size: cover!important;
  display: inline-block;
}
</style>

<!-- @author zhengjie -->
<template>
  <div class="icon-body">
    <el-input v-model="name" style="position: relative;" clearable placeholder="請輸入圖標名稱" @clear="filterIcons" @input.native="filterIcons">
      <i slot="suffix" class="el-icon-search el-input__icon" />
    </el-input>
    <div class="icon-list">
      <div v-for="(item, index) in iconList" :key="index" @click="selectedIcon(item)">
        <svg-icon :icon-class="item" style="height: 30px;width: 16px;" />
        <span>{{ item }}</span>
      </div>
    </div>
  </div>
</template>
 
<script>
import icons from './requireIcons'
export default {
  name: 'IconSelect',
  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-list {
      height: 200px;
      overflow-y: scroll;
      div {
        height: 30px;
        line-height: 30px;
        margin-bottom: -5px;
        cursor: pointer;
        width: 33%;
        float: left;
      }
      span {
        display: inline-block;
        vertical-align: -0.15em;
        fill: currentColor;
        overflow: hidden;
      }
    }
  }
</style>