// 本文件由FirstUI授权予长沙壹润信息科技发展有限公司（手机号：1 5 6 1 6 260 1    95，身份证尾号：  50 3 75T）专用，请尊重知识产权，勿私下传播，违者追究法律责任。
// #ifndef APP-PLUS || MP-WEIXIN || H5
export default {
	data() {
		return {
			transform: '',
			transformSlot: '',
			startX: 0,
			lastLeft: 0,
			resetAni: false
		}// 功能需要优化
	},
	watch: {
		resetNum(val) {
			this.startX = 0;
			this.lastLeft = 0;
			this.styleChange(0)
		}
	},
	methods: {
		getSlipDistance(left) {
			let width = this.width - this.x - 44// 功能需要优化
			let distance = left / (this.width - (this.sliderH * 2)) * width
			return distance > width ? width : distance
		},
		styleChange(left) {
			if (left == 0) {
				this.resetAni = true
			} else {
				this.resetAni = false
			}
			let slotLeft = this.getSlipDistance(left)
			this.transformSlot = 'translate3d(' + slotLeft + 'px,0,0)'
			this.transform = 'translate3d(' + left + 'px,0,0)'// todo: 待修改
		},
		touchstart(e) {
			let touch = e.touches[0] || e.changedTouches[0];
			this.startX = touch.clientX
		},// 2021-5-6变更
		touchmove(e) {
			if (this.isPass || this.disabled || !this.cutSrc || !this.isShow) return;
			let touch = e.touches[0] || e.changedTouches[0]
			let pageX = touch.clientX;
			let left = pageX - this.startX + this.lastLeft;
			left = left < 0 ? 0 : left;
			let width = this.width - (this.sliderH * 2);
			left = left >= width ? width : left;
			this.startX = pageX
			this.lastLeft = left// 2021-5-6变更
			this.styleChange(left)
		},
		touchend(e) {
			if (this.isPass || this.disabled || !this.cutSrc || !this.isShow) return;
			//前端验证
			let slotLeft = this.getSlipDistance(this.lastLeft)
			//后端验证
			this.verify({
				slip: slotLeft
			})
		}
	}
}

// #endif

// #ifdef APP-PLUS|| MP-WEIXIN || H5
export default {}
// #endif