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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>