// 本文件由FirstUI授权予四川政采招投标咨询有限公司(会员ID:1 6 3,营业执照号:9151 01 313 3 2 006 1 9 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 MIN_DISTANCE = 10
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var app = false;
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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 getDom(ins, ownerInstance) {
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var state = ins.getState()
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var rightDom = ownerInstance.selectComponent('.fui-swipe__action-right')
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if (!rightDom) {
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state.rightWidth = 0;
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return;
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}
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if (isH5 || isPC()) {
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if (rightDom['$el']) {
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state.rightWidth = rightDom['$el'].offsetWidth || 0
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} else {
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state.rightWidth = 0
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}
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} else {
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var rightStyles = rightDom.getBoundingClientRect()
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state.rightWidth = rightStyles.width || 0
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}
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}
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function getDirection(x, y) {
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if (x > y && x > MIN_DISTANCE) {
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return 'horizontal';
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}
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if (y > x && y > MIN_DISTANCE) {
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return 'vertical';
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}
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return '';
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}
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function stopTouchMove(event) {
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var instance = event.instance;
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var state = instance.getState();
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var touch = event.touches[0];
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if (isH5 && isPC()) {
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touch = event;
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}
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state.deltaX = touch.clientX - state.startX;
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state.deltaY = touch.clientY - state.startY;
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state.offsetY = Math.abs(state.deltaY);
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state.offsetX = Math.abs(state.deltaX);
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state.direction = state.direction || getDirection(state.offsetX, state.offsetY);
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}
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function stopTouchStart(event) {
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var instance = event.instance;
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var state = instance.getState();
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resetTouchStatus(instance);
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var touch = event.touches[0];
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if (isH5 && isPC()) {
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touch = event;
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}
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state.startX = touch.clientX;
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state.startY = touch.clientY;
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}
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function touchstart(e, ownerInstance) {
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var ins = e.instance;
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var state = ins.getState();
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var dataset = e.instance.getDataset()
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app = (+dataset.app) == 1 ? true : false;
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getDom(ins, ownerInstance)
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if (state.disabled) return
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// 开始触摸时移除动画类
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ins.requestAnimationFrame(function() {
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ins.removeClass('fui-swipe__action-ani');
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ownerInstance.callMethod('closeSwipe');
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})
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// 记录上次的位置
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state.x = state.left || 0
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// 计算滑动开始位置
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stopTouchStart(e, ownerInstance)
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}
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function move(value, ins, ownerInstance) {
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value = value || 0
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var state = ins.getState()
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var rightWidth = state.rightWidth
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// 获取可滑动范围
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state.left = Math.min(Math.max(value, -rightWidth), 0);
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ins.requestAnimationFrame(function() {
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ins.setStyle({
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transform: 'translateX(' + state.left + 'px)',
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'-webkit-transform': 'translateX(' + state.left + 'px)'
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})
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})
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}
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function touchmove(e, ownerInstance) {
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var ins = e.instance;
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var state = ins.getState()
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if (state.disabled) return;
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// 是否可以滑动页面
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stopTouchMove(e);
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if (state.direction !== 'horizontal') return;
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if (e.preventDefault) {
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e.preventDefault()
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}
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if (app && event && event.preventDefault) {
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event.preventDefault()
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}
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move(state.x + state.deltaX, ins, ownerInstance)
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}
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function openState(type, ins, ownerInstance) {
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var state = ins.getState()
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var leftWidth = state.leftWidth
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var rightWidth = state.rightWidth
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var left = ''
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state.open = state.open ? state.open : 'none'
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if (type === 'right' || type === true) {
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left = -rightWidth
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} else {
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left = 0
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}
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if (state.open !== type) {
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state.throttle = true
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ownerInstance.callMethod('change', {
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open: type
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})
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}
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state.open = type
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// 添加动画类
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ins.requestAnimationFrame(function() {
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ins.addClass('fui-swipe__action-ani');
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move(left, ins, ownerInstance)
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})
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}
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function moveDirection(left, ins, ownerInstance) {
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var state = ins.getState()
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var threshold = state.threshold || 30
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var position = state.position
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var open = state.open || 'none'
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var rightWidth = state.rightWidth
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if (state.deltaX === 0 && state.clickclose) {
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openState('none', ins, ownerInstance)
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return
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}
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if ((open === 'none' && rightWidth > 0 && -left > threshold) || (open !== 'none' && rightWidth > 0 &&
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rightWidth +
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left < threshold)) {
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openState('right', ins, ownerInstance)
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} else {
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// default
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openState('none', ins, ownerInstance)
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}
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}
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function touchend(e, ownerInstance) {
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var instance = e.instance;
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var state = instance.getState()
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if (state.disabled) return
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moveDirection(state.left, instance, ownerInstance)
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}
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function resetTouchStatus(instance) {
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var state = instance.getState();
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state.direction = '';
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state.deltaX = 0;
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state.deltaY = 0;
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state.offsetX = 0;
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state.offsetY = 0;
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}
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function showChange(newVal, oldVal, ownerInstance, instance) {
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var state = instance.getState()
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getDom(instance, ownerInstance)
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if (newVal && newVal !== 'none') {
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openState(newVal || 'right', instance, ownerInstance)
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return
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}
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if (state.left) {
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openState('none', instance, ownerInstance)
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}
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resetTouchStatus(instance)
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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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}
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function mousemove(e, ins) {
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if (!isH5 || !isPC() || !movable) return
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touchmove(e, ins)
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}
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function mouseup(e, ins) {
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if (!isH5 || !isPC()) return
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touchend(e, ins)
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movable = false
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}
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function mouseleave(e, ins) {
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if (!isH5 || !isPC()) return
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movable = false
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}
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function disabledChange(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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st.disabled = newVal
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}
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function thresholdChange(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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st.threshold = newVal || 30
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}
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function clickCloseChange(newVal, oldVal, ownerInstance, ins) {
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var st = ins.getState()
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if (newVal || newVal === null || newVal === undefined) {
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st.clickclose = true
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} else {
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st.clickclose = 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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touchend: touchend,
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mousedown: mousedown,
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mousemove: mousemove,
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mouseup: mouseup,
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mouseleave: mouseleave,
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disabledChange: disabledChange,
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thresholdChange: thresholdChange,
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showChange: showChange,
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clickCloseChange: clickCloseChange
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}
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