quanyawei
2024-01-10 e13367edf304cb78f978e321f1679299a66b3a23
uni_modules/uview-ui/components/u-swipe-action/u-swipe-action.vue
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<template>
   <view class="u-swipe-action">
      <slot></slot>
   </view>
</template>
<script>
   import props from './props.js';
   /**
    * SwipeAction 滑动单元格
    * @description 该组件一般用于左滑唤出操作菜单的场景,用的最多的是左滑删除操作
    * @tutorial https://www.uviewui.com/components/swipeAction.html
    * @property {Boolean}   autoClose   是否自动关闭其他swipe按钮组
    * @event {Function(index)}   click   点击组件时触发
    * @example   <u-swipe-action><u-swipe-action-item :rightOptions="options1" ></u-swipe-action-item></u-swipe-action>
    */
   export default {
      name: 'u-swipe-action',
      mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
      data() {
         return {}
      },
      provide() {
         return {
            swipeAction: this
         }
      },
      computed: {
         // 这里computed的变量,都是子组件u-swipe-action-item需要用到的,由于头条小程序的兼容性差异,子组件无法实时监听父组件参数的变化
         // 所以需要手动通知子组件,这里返回一个parentData变量,供watch监听,在其中去通知每一个子组件重新从父组件(u-swipe-action-item)
         // 拉取父组件新的变化后的参数
         parentData() {
            return [this.autoClose]
         }
      },
      watch: {
         // 当父组件需要子组件需要共享的参数发生了变化,手动通知子组件
         parentData() {
            if (this.children.length) {
               this.children.map(child => {
                  // 判断子组件(u-swipe-action-item)如果有updateParentData方法的话,就就执行(执行的结果是子组件重新从父组件拉取了最新的值)
                  typeof(child.updateParentData) === 'function' && child.updateParentData()
               })
            }
         },
      },
      created() {
         this.children = []
      },
      methods: {
         closeOther(child) {
            if (this.autoClose) {
               // 历遍所有的单元格,找出非当前操作中的单元格,进行关闭
               this.children.map((item, index) => {
                  if (child !== item) {
                     item.closeHandler()
                  }
               })
            }
         }
      }
   }
</script>
<style lang="scss" scoped>
</style>