// 本文件由FirstUI授权予四川政采招投标咨询有限公司（会员ID： 16 3，营业执照号：9 1510 1 31 332 0 0 619 3K）专用，请尊重知识产权，勿私下传播，违者追究法律责任。
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var movable = {
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width: 100,
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height: 100,
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direction: '',
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left: 0,
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top: 0,
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app: false
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}
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function isPC() {
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if (typeof navigator !== 'object') return false;
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var userAgentInfo = navigator.userAgent;
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var Agents = ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"];
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var flag = true;
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for (var v = 0; v < Agents.length - 1; v++) {
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if (userAgentInfo.indexOf(Agents[v]) > 0) {
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flag = false;
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break;
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}
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}
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return flag;
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}
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var isH5 = false
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if (typeof window === 'object') isH5 = true
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function setInitValue(dataset, isChange) {
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movable.width = +dataset.width
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movable.height = +dataset.height
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movable.top = +dataset.top
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movable.left = +dataset.left
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movable.direction = dataset.direction
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movable.app = (+dataset.app) == 1 ? true : false;
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}
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function touchstart(e, ins) {
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var state = e.instance.getState()
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var touch = e.touches[0] || e.changedTouches[0];
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if (isH5 && isPC()) {
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touch = e;
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}
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var dataset = e.instance.getDataset()
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if (dataset.direction == 'all') {
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state.startX = touch.clientX
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state.startY = touch.clientY
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} else if (dataset.direction == 'vertical') {
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state.startY = touch.clientY
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} else {
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state.startX = touch.clientX
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}
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setInitValue(dataset)
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}
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function styleChange(left, top, ins) {
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if (!ins) return;
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var mview = ins.selectComponent('.fui-movable__view');
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if (!mview) return;
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mview.setStyle({
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transform: 'translate3d(' + left + 'px,' + top + 'px,0)'
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})
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ins.callMethod('change', {
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left: left,
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top: top
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})
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}
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function getLeft(pageX, state) {
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var left = pageX - state.startX + (state.lastLeft || 0);
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left = left < -movable.left ? -movable.left : left;
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left = left > movable.width ? movable.width : left;
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return left
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}
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function getTop(pageY, state) {
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var top = pageY - state.startY + (state.lastTop || 0);
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top = top < -movable.top ? -movable.top : top;
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top = top > movable.height ? movable.height : top;
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return top
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}
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function touchmove(e, ins, events) {
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if (movable.direction == 'none') return;
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if (e.preventDefault) {
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e.preventDefault()
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}
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if (movable.app && event && event.preventDefault) {
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event.preventDefault()
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}
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var state = {}
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var touch = {}
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if (isH5 && isPC()) {
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touch = e;
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if (events && events.instance) {
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state = events.instance.getState()
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}
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} else {
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touch = e.touches[0] || e.changedTouches[0]
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state = e.instance.getState()
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}
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var pageX = touch.clientX;
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var pageY = touch.clientY;
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var left = 0,
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top = 0;
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if (movable.direction == 'all') {
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left = getLeft(pageX, state)
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state.startX = pageX
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top = getTop(pageY, state)
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state.startY = pageY
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} else if (movable.direction == 'vertical') {
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top = getTop(pageY, state)
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state.startY = pageY
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} else {
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left = getLeft(pageX, state)
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state.startX = pageX
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}
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state.lastLeft = left
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state.lastTop = top
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styleChange(left, top, ins)
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}
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var _movable = false;
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function mousedown(e, ins) {
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if (!isH5 || !isPC()) return
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touchstart(e, ins)
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_movable = true
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window.onmousemove = function(event) {
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if (!isH5 || !isPC() || !_movable) return
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touchmove(event, ins, e)
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}
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window.onmouseup = function(event) {
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if (!isH5 || !isPC() || !_movable) return
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_movable = false
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}
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}
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module.exports = {
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touchstart: touchstart,
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touchmove: touchmove,
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mousedown: mousedown
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}
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