ZhiHuiJiaoWu_UniApp/components/firstui/fui-rotate-verify/index.wxs

// 本文件由FirstUI授权予内蒙古晟誉网络科技有限责任公司（手机号：15  1    4 8 2281 0 8，身份证尾号：1R6T39）专用，请尊重知识产权，勿私下传播，违者追究法律责任。
var twidth = 0
var swidth = 0

function isPC() {
	if (typeof navigator !== 'object') return false;
	var userAgentInfo = navigator.userAgent;
	var Agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
	var flag = true;
	for (var v = 0; v < Agents.length - 1; v++) {
		if (userAgentInfo.indexOf(Agents[v]) > 0) {
			flag = false;
			break;
		}
	}
	return flag;
}
var isH5 = false
if (typeof window === 'object') isH5 = true

function bool(str) {
	return str === 'true' || str == true ? true : false
}

function touchstart(e, ins) {
	var state = e.instance.getState()
	var touch = e.touches[0] || e.changedTouches[0]
	if (isH5 && isPC()) {
		touch = e;
	}
	var dataset = e.instance.getDataset()
	state.startX = touch.pageX
	twidth = +dataset.width
	swidth = +dataset.swidth
	state.disabled = (+dataset.disabled) == 1 ? true : false
}

function styleChange(left, deg, ins) {
	if (!ins) return;
	var block = ins.selectComponent('.fui-rv__slider');
	var image = ins.selectComponent('.fui-rv__image')
	if (!image || !block) return;
	if (left == 0 && deg == 0) {
		block.removeClass('fui-rv__un-ani')
		image.removeClass('fui-rv__un-ani')
		block.addClass('fui-rv__rest-ani')
		image.addClass('fui-rv__rest-ani')
	} else {
		block.removeClass('fui-rv__rest-ani')
		image.removeClass('fui-rv__rest-ani')
		block.addClass('fui-rv__un-ani')
		image.addClass('fui-rv__un-ani')
	}
	block.setStyle({
		transform: 'translate3d(' + left + 'px,0,0)'
	})
	image.setStyle({
		transform: 'rotate(' + deg + 'deg)'
	})
}

function touchmove(e, ins, event) {
	if (e.preventDefault) {
		// 阻止页面滚动
		e.preventDefault()
	}
	var state = {}
	var touch = {}
	if (isH5 && isPC()) {
		touch = e;
		state = event.instance.getState()
	} else {
		state = e.instance.getState()
		touch = e.touches[0] || e.changedTouches[0]
	}
	if (state.disabled) return;
	var pageX = touch.pageX;
	var left = pageX - state.startX + (state.lastLeft || 0);
	left = left < 0 ? 0 : left;
	var width = twidth - swidth;
	left = left >= width ? width : left;
	state.startX = pageX
	state.lastLeft = left
	var deg = 360 / width * left
	styleChange(left, deg, ins)
}

function touchend(e, ins, event) {
	var state = {}
	if (isH5 && isPC()) {
		state = event.instance.getState()
	} else {
		state = e.instance.getState()
	}
	if (state.disabled) return;
	var left = twidth - swidth
	var deg = 360 / left * state.lastLeft
	ins.callMethod('verify', {
		angle: deg
	})
}

function slidereset(reset, oldreset, owner, ins) {
	var state = ins.getState()
	if (reset > 0) {
		state.startX = 0;
		state.lastLeft = 0;
		state.disabled = false;
		styleChange(0, 0, owner)
	}
}

var movable = false;

function mousedown(e, ins) {
	if (!isH5 || !isPC()) return
	touchstart(e, ins)
	movable = true
	window.onmousemove = function(event) {
		if (!isH5 || !isPC() || !movable) return
		touchmove(event, ins, e)
	}
	window.onmouseup = function(event) {
		if (!isH5 || !isPC() || !movable) return
		touchend(event, ins, e)
		movable = false
	}
}


module.exports = {
	touchstart: touchstart,
	touchmove: touchmove,
	touchend: touchend,
	mousedown: mousedown,
	slidereset: slidereset
}