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contributor license agreements.  See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
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(the "License"); you may not use this file except in compliance with
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  http://www.apache.org/licenses/LICENSE-2.0

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<template>
  <rk-popper ref="popper" :trigger="trigger" :forceShow="show">
    <span slot="reference"><slot></slot></span>
    <div class="rk-dropdown" :style="`width:${width}`">
      <input v-model="searchString" type="text" placeholder="搜索..." class="rk-dropdown-search" />
      <RkDropdownItem
        v-for="i in searchResult"
        :key="i.name"
        @click.native="handleClick(i)"
        :detail="true"
        :value="i.name"
      />
    </div>
  </rk-popper>
</template>

<script lang="ts">
  import RkDropdownItem from './rk-dropdown-item.vue';
  import Vue from 'vue';
  import { Component, Prop, PropSync, Ref } from 'vue-property-decorator';

  interface Option {
    value: string | number;
    name: string | number;
  }

  @Component({
    components: { RkDropdownItem },
  })
  export default class RkDropdown extends Vue {
    @Ref('popper') private readonly popper!: any;
    @Prop({ default: 'click' }) private trigger!: string;
    @Prop({ default: '180px' }) private width!: string;
    @Prop({ default: false }) private show!: boolean;
    @Prop({ default: false }) private search!: boolean;
    @Prop({ default: () => [] }) private options!: Option[];
    private searchString: string = '';
    private get searchResult() {
      return this.options.filter((item: Option) => `${item.name}`.indexOf(this.searchString) !== -1);
    }
    private handleClick(i: Option) {
      this.$emit('click', i);
      this.popper.doClose();
    }
  }
</script>

<style lang="scss">
  .rk-dropdown {
    color: #efefef;
    box-shadow: 0 1px 6px rgba(99, 99, 99, 0.2);
    background-color: #252a2f;
    border-radius: 3px;
    overflow: auto;
    max-height: 200px;
    padding-bottom: 2px;
    &-search {
      width: calc(100% - 4px);
      border: 0;
      background-color: #333840;
      color: #eee;
      outline: 0;
      padding: 5px 25px 5px 10px;
      margin: 2px;
      border-radius: 3px;
    }
  }
</style>