<template>
	<!-- 在微信小程序 app vue端 h5 使用wxs 实现-->
	<!-- #ifdef APP-VUE || MP-WEIXIN || H5 -->
	<view class="uni-swipe">
		<!--  #ifdef MP-WEIXIN || VUE3 -->
		<view class="uni-swipe_box" :change:prop="wxsswipe.showWatch"
			:prop="is_show" :data-threshold="threshold" :data-disabled="disabled" @touchstart="wxsswipe.touchstart" @touchmove="wxsswipe.touchmove" @touchend="wxsswipe.touchend">
		<!-- #endif -->
		<!--  #ifndef MP-WEIXIN || VUE3 -->
		<view class="uni-swipe_box" :change:prop="renderswipe.showWatch"
			:prop="is_show" :data-threshold="threshold" :data-disabled="disabled+''" @touchstart="renderswipe.touchstart" @touchmove="renderswipe.touchmove" @touchend="renderswipe.touchend">
		<!-- #endif -->
			<!-- 在微信小程序 app vue端 h5 使用wxs 实现-->
			<view class="uni-swipe_button-group button-group--left">
				<slot name="left">
					<view v-for="(item,index) in leftOptions"  :key="index" :style="{
					  backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
					  fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px'
					}" class="uni-swipe_button button-hock" @touchstart="appTouchStart"
						@touchend="appTouchEnd($event,index,item,'left')" @click.stop="onClickForPC(index,item,'left')">
						<text class="uni-swipe_button-text"
							:style="{color: item.style && item.style.color ? item.style.color : '#FFFFFF',}">{{ item.text }}</text>
					</view>
				</slot>
			</view>
			<view class="uni-swipe_text--center">
				<slot></slot>
			</view>
			<view class="uni-swipe_button-group button-group--right">
				<slot name="right">
					<view v-for="(item,index) in rightOptions"  :key="index" :style="{
					  backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
					  fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px'
					}" class="uni-swipe_button button-hock" @touchstart="appTouchStart"
						@touchend="appTouchEnd($event,index,item,'right')"
						@click.stop="onClickForPC(index,item,'right')"><text class="uni-swipe_button-text"
							:style="{color: item.style && item.style.color ? item.style.color : '#FFFFFF',}">{{ item.text }}</text>
					</view>
				</slot>
			</view>
		</view>
	</view>
	<!-- #endif -->
	<!-- app nvue端 使用 bindingx -->
	<!-- #ifdef APP-NVUE -->
	<view ref="selector-box--hock" class="uni-swipe" @horizontalpan="touchstart" @touchend="touchend">
		<view ref='selector-left-button--hock' class="uni-swipe_button-group button-group--left">
			<slot name="left">
				<view v-for="(item,index) in leftOptions" :data-button="btn" :key="index" :style="{
				  backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
				  fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px'
				}" class="uni-swipe_button button-hock" @click.stop="onClick(index,item,'left')"><text
						class="uni-swipe_button-text"
						:style="{color: item.style && item.style.color ? item.style.color : '#FFFFFF',}">{{ item.text }}</text>
				</view>
			</slot>
		</view>
		<view ref='selector-right-button--hock' class="uni-swipe_button-group button-group--right">
			<slot name="right">
				<view v-for="(item,index) in rightOptions" :data-button="btn" :key="index" :style="{
				  backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
				  fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px'
				}" class="uni-swipe_button button-hock" @click.stop="onClick(index,item,'right')"><text
						class="uni-swipe_button-text"
						:style="{color: item.style && item.style.color ? item.style.color : '#FFFFFF',}">{{ item.text }}</text>
				</view>
			</slot>
		</view>
		<view ref='selector-content--hock' class="uni-swipe_box">
			<slot></slot>
		</view>
	</view>
	<!-- #endif -->
	<!-- 其他平台使用 js ，长列表性能可能会有影响-->
	<!-- #ifdef MP-ALIPAY || MP-BAIDU || MP-TOUTIAO || MP-QQ -->
	<view class="uni-swipe"> 
		<view class="uni-swipe_box" @touchstart="touchstart" @touchmove="touchmove" @touchend="touchend"
			:style="{transform:moveLeft}" :class="{ani:ani}">
			<view class="uni-swipe_button-group button-group--left" :class="[elClass]">
				<slot name="left">
					<view v-for="(item,index) in leftOptions" :data-button="btn" :key="index" :style="{
					  backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
					  fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px'
					}" class="uni-swipe_button button-hock" @touchstart="appTouchStart"
						@touchend="appTouchEnd($event,index,item,'left')"><text class="uni-swipe_button-text"
							:style="{color: item.style && item.style.color ? item.style.color : '#FFFFFF',}">{{ item.text }}</text>
					</view>
				</slot>
			</view>
			<slot></slot>
			<view class="uni-swipe_button-group button-group--right" :class="[elClass]">
				<slot name="right">
					<view v-for="(item,index) in rightOptions" :data-button="btn" :key="index" :style="{
					  backgroundColor: item.style && item.style.backgroundColor ? item.style.backgroundColor : '#C7C6CD',
					  fontSize: item.style && item.style.fontSize ? item.style.fontSize : '16px'
					}" @touchstart="appTouchStart" @touchend="appTouchEnd($event,index,item,'right')"
						class="uni-swipe_button button-hock"><text class="uni-swipe_button-text"
							:style="{color: item.style && item.style.color ? item.style.color : '#FFFFFF',}">{{ item.text }}</text>
					</view>
				</slot>
			</view>
		</view>
	</view>
	<!-- #endif -->
 
</template>
<script src="./wx.wxs" module="wxsswipe" lang="wxs"></script>

<script module="renderswipe" lang="renderjs">
	import render from './render.js'
	export default {
		mounted(e,ins,owner) {
			this.state = {}
		},
		methods:{
			showWatch(newVal, oldVal, ownerInstance, instance){
				render.showWatch(newVal, oldVal, ownerInstance, instance,this)
			},
			touchstart(e,ownerInstance){
				render.touchstart(e,ownerInstance,this)
			},
			touchmove(e, ownerInstance){
				render.touchmove(e,ownerInstance,this)
			},
			touchend(e,ownerInstance){
				render.touchend(e,ownerInstance,this)
			}
		}
	}
</script>
<script>
	import mpwxs from './mpwxs'
	import bindingx from './bindingx.js'
	import mpother from './mpother'

	/**
	 * SwipeActionItem 滑动操作子组件
	 * @description 通过滑动触发选项的容器
	 * @tutorial https://ext.dcloud.net.cn/plugin?id=181
	 * @property {Boolean} show = [left|right｜none] 	开启关闭组件，auto-close = false 时生效
	 * @property {Boolean} disabled = [true|false] 		是否禁止滑动
	 * @property {Boolean} autoClose = [true|false] 	滑动打开当前组件，是否关闭其他组件
	 * @property {Number}  threshold 					滑动缺省值
	 * @property {Array} leftOptions 					左侧选项内容及样式
	 * @property {Array} rgihtOptions 					右侧选项内容及样式
	 * @event {Function} click 							点击选项按钮时触发事件，e = {content,index} ，content（点击内容）、index（下标)
	 * @event {Function} change 						组件打开或关闭时触发，left\right\none
	 */

	export default {
		mixins: [mpwxs,bindingx,mpother],
		emits:['click','change'],
		props: {
			// 控制开关
			show: {
				type: String,
				default: 'none'
			},

			// 禁用
			disabled: {
				type: Boolean,
				default: false
			},

			// 是否自动关闭
			autoClose: {
				type: Boolean,
				default: true
			},

			// 滑动缺省距离
			threshold: {
				type: Number,
				default: 20
			},

			// 左侧按钮内容
			leftOptions: {
				type: Array,
				default () {
					return []
				}
			},

			// 右侧按钮内容
			rightOptions: {
				type: Array,
				default () {
					return []
				}
			}

		},
		// #ifndef VUE3
		// TODO vue2
		destroyed() {
			if (this.__isUnmounted) return
			this.uninstall()
		},
		// #endif
		// #ifdef VUE3
		// TODO vue3
		unmounted() {
			this.__isUnmounted = true
			this.uninstall()
		},
		// #endif
		
		methods: {
			uninstall() {
				if (this.swipeaction) {
					this.swipeaction.children.forEach((item, index) => {
						if (item === this) {
							this.swipeaction.children.splice(index, 1)
						}
					})
				}
			},
			/**
			 * 获取父元素实例
			 */
			getSwipeAction(name = 'uniSwipeAction') {
				let parent = this.$parent;
				let parentName = parent.$options.name;
				while (parentName !== name) {
					parent = parent.$parent;
					if (!parent) return false;
					parentName = parent.$options.name;
				}
				return parent;
			}
		}
	}
</script>
<style lang="scss">
	.uni-swipe {
		position: relative;
		/* #ifndef APP-NVUE */
		overflow: hidden;
		/* #endif */
	}

	.uni-swipe_box {
		/* #ifndef APP-NVUE */
		display: flex;
		flex-shrink: 0;
		// touch-action: none;
		/* #endif */
		position: relative;
	}

	.uni-swipe_content {
		// border: 1px red solid;
	}

	.uni-swipe_text--center {
		width: 100%;
		/* #ifndef APP-NVUE */
		cursor: grab;
		/* #endif */
	}

	.uni-swipe_button-group {
		/* #ifndef APP-NVUE */
		box-sizing: border-box;
		display: flex;
		/* #endif */
		flex-direction: row;
		position: absolute;
		top: 0;
		bottom: 0;
		/* #ifdef H5 */
		cursor: pointer;
		/* #endif */
	}

	.button-group--left {
		left: 0;
		transform: translateX(-100%)
	}

	.button-group--right {
		right: 0;
		transform: translateX(100%)
	}

	.uni-swipe_button {
		/* #ifdef APP-NVUE */
		flex: 1;
		/* #endif */
		/* #ifndef APP-NVUE */
		display: flex;
		/* #endif */
		flex-direction: row;
		justify-content: center;
		align-items: center;
		padding: 0 20px;
	}

	.uni-swipe_button-text {
		/* #ifndef APP-NVUE */
		flex-shrink: 0;
		/* #endif */
		font-size: 14px;
	}

	.ani {
		transition-property: transform;
		transition-duration: 0.3s;
		transition-timing-function: cubic-bezier(0.165, 0.84, 0.44, 1);
	}

	/* #ifdef MP-ALIPAY */
	.movable-area {
		/* width: 100%; */
		height: 45px;
	}

	.movable-view {
		display: flex;
		/* justify-content: center; */
		position: relative;
		flex: 1;
		height: 45px;
		z-index: 2;
	}

	.movable-view-button {
		display: flex;
		flex-shrink: 0;
		flex-direction: row;
		height: 100%;
		background: #C0C0C0;
	}

	/* .transition {
		transition: all 0.3s;
	} */

	.movable-view-box {
		flex-shrink: 0;
		height: 100%;
		background-color: #fff;
	}

	/* #endif */
</style>