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node_modules/element-ui/packages/select/src/option-group.vue 1.11 KB
2a09d1a4   liuqimichale   添加宜春 天水 宣化
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  <template>
    <ul class="el-select-group__wrap" v-show="visible">
      <li class="el-select-group__title">{{ label }}</li>
      <li>
        <ul class="el-select-group">
          <slot></slot>
        </ul>
      </li>
    </ul>
  </template>
  
  <script type="text/babel">
    import Emitter from 'element-ui/src/mixins/emitter';
  
    export default {
      mixins: [Emitter],
  
      name: 'ElOptionGroup',
  
      componentName: 'ElOptionGroup',
  
      props: {
        label: String,
        disabled: {
          type: Boolean,
          default: false
        }
      },
  
      data() {
        return {
          visible: true
        };
      },
  
      watch: {
        disabled(val) {
          this.broadcast('ElOption', 'handleGroupDisabled', val);
        }
      },
  
      methods: {
        queryChange() {
          this.visible = this.$children &&
            Array.isArray(this.$children) &&
            this.$children.some(option => option.visible === true);
        }
      },
  
      created() {
        this.$on('queryChange', this.queryChange);
      },
  
      mounted() {
        if (this.disabled) {
          this.broadcast('ElOption', 'handleGroupDisabled', this.disabled);
        }
      }
    };
  </script>