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regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

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software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->
<!-- Created by 南麓 on 2017/8/10. -->

<template>
  <div class="grid-option"
       :style="cWrapperStyle"
       @click="onClick"
       :accessible="true"
       :aria-label="`${title},${checked?'已选中':'未选中'}`">
    <text v-if="title" class="text-title" :style="cTitleStyle">{{title}}</text>

    <image v-if="checked && icon" class="image-checked" :src="icon"></image>
  </div>
</template>

<script>
  export default {
    props: {
      index: {
        type: Number,
        default: -1
      },
      // 是否选中
      checked: {
        type: Boolean,
        default: false
      },
      // 是否可选
      disabled: {
        type: Boolean,
        default: false
      },
      // 标题
      title: {
        type: String,
        default: ''
      },
      width: {
        type: String,
        default: '166px'
      },
      height: {
        type: String,
        default: '72px'
      },
      // 默认 x
      icon: {
        type: String,
        default: 'https://gw.alicdn.com/tfs/TB1IAByhgMPMeJjy1XdXXasrXXa-38-34.png'
      },
      // 正常状态文字色值
      color: {
        type: String,
        default: '#3d3d3d'
      },
      // 选中状态文字色值
      checkedColor: {
        type: String,
        default: '#3d3d3d'
      },
      // 不可选状态文字色值
      disabledColor: {
        type: String,
        default: '#9b9b9b'
      },
      // 正常状态边框色值
      borderColor: {
        type: String,
        default: 'transparent'
      },
      // 选中状态边框色值
      checkedBorderColor: {
        type: String,
        default: '#ffb200'
      },
      // 不可选状态边框色值
      disabledBorderColor: {
        type: String,
        default: 'transparent'
      },
      // 正常状态背景色值
      backgroundColor: {
        type: String,
        default: '#f6f6f6'
      },
      // 选中状态背景色值
      checkedBackgroundColor: {
        type: String,
        default: '#ffffff'
      },
      // 不可选状态背景色值
      disabledBackgroundColor: {
        type: String,
        default: '#f6f6f6'
      }
    },
    computed: {
      cWrapperStyle () {
        const { checked, disabled, width, height, borderColor, checkedBorderColor, disabledBorderColor, backgroundColor, checkedBackgroundColor, disabledBackgroundColor } = this;
        return {
          width,
          height,
          borderColor: disabled ? disabledBorderColor : checked ? checkedBorderColor : borderColor,
          backgroundColor: disabled ? disabledBackgroundColor : checked ? checkedBackgroundColor : backgroundColor
        }
      },
      cTitleStyle () {
        const { checked, disabled, color, checkedColor, disabledColor } = this;
        return {
          color: disabled ? disabledColor : checked ? checkedColor : color
        }
      }
    },
    methods: {
      onClick () {
        if (!this.disabled) {
          this.$emit('select', this.index);
        }
      }
    }
  }
</script>

<style scoped>
  .grid-option {
    justify-content: center;
    border-radius: 8px;
    border-width: 2px;
    padding-left: 6px;
    padding-right: 6px;
  }

  .text-title {
    lines: 2;
    line-height: 30px;
    text-overflow: ellipsis;
    text-align: center;
    font-size: 26px;
  }

  .image-checked {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 38px;
    height: 34px;
  }
</style>