342 lines
7.9 KiB
XML
342 lines
7.9 KiB
XML
var MIN_DISTANCE = 10;
|
||
|
||
/**
|
||
* 判断当前是否为H5、app-vue
|
||
*/
|
||
var IS_HTML5 = false
|
||
if (typeof window === 'object') IS_HTML5 = true
|
||
|
||
/**
|
||
* 监听页面内值的变化,主要用于动态开关swipe-action
|
||
* @param {Object} newValue
|
||
* @param {Object} oldValue
|
||
* @param {Object} ownerInstance
|
||
* @param {Object} instance
|
||
*/
|
||
function showWatch(newVal, oldVal, ownerInstance, instance) {
|
||
var state = instance.getState()
|
||
getDom(instance, ownerInstance)
|
||
if (newVal && newVal !== 'none') {
|
||
openState(newVal, instance, ownerInstance)
|
||
return
|
||
}
|
||
|
||
if (state.left) {
|
||
openState('none', instance, ownerInstance)
|
||
}
|
||
resetTouchStatus(instance)
|
||
}
|
||
|
||
/**
|
||
* 开始触摸操作
|
||
* @param {Object} e
|
||
* @param {Object} ins
|
||
*/
|
||
function touchstart(e, ownerInstance) {
|
||
var instance = e.instance;
|
||
var disabled = instance.getDataset().disabled
|
||
var state = instance.getState();
|
||
getDom(instance, ownerInstance)
|
||
// fix by mehaotian, TODO 兼容 app-vue 获取dataset为字符串 , h5 获取 为 undefined 的问题,待框架修复
|
||
disabled = (typeof(disabled) === 'string' ? JSON.parse(disabled) : disabled) || false;
|
||
if (disabled) return
|
||
// 开始触摸时移除动画类
|
||
instance.requestAnimationFrame(function() {
|
||
instance.removeClass('ani');
|
||
ownerInstance.callMethod('closeSwipe');
|
||
})
|
||
|
||
// 记录上次的位置
|
||
state.x = state.left || 0
|
||
// 计算滑动开始位置
|
||
stopTouchStart(e, ownerInstance)
|
||
}
|
||
|
||
/**
|
||
* 开始滑动操作
|
||
* @param {Object} e
|
||
* @param {Object} ownerInstance
|
||
*/
|
||
function touchmove(e, ownerInstance) {
|
||
var instance = e.instance;
|
||
var disabled = instance.getDataset().disabled
|
||
var state = instance.getState()
|
||
// fix by mehaotian, TODO 兼容 app-vue 获取dataset为字符串 , h5 获取 为 undefined 的问题,待框架修复
|
||
disabled = (typeof(disabled) === 'string' ? JSON.parse(disabled) : disabled) || false;
|
||
if (disabled) return
|
||
// 是否可以滑动页面
|
||
stopTouchMove(e);
|
||
if (state.direction !== 'horizontal') {
|
||
return;
|
||
}
|
||
|
||
if (e.preventDefault) {
|
||
// 阻止页面滚动
|
||
e.preventDefault()
|
||
}
|
||
|
||
move(state.x + state.deltaX, instance, ownerInstance)
|
||
}
|
||
|
||
/**
|
||
* 结束触摸操作
|
||
* @param {Object} e
|
||
* @param {Object} ownerInstance
|
||
*/
|
||
function touchend(e, ownerInstance) {
|
||
var instance = e.instance;
|
||
var disabled = instance.getDataset().disabled
|
||
var state = instance.getState()
|
||
// fix by mehaotian, TODO 兼容 app-vue 获取dataset为字符串 , h5 获取 为 undefined 的问题,待框架修复
|
||
disabled = (typeof(disabled) === 'string' ? JSON.parse(disabled) : disabled) || false;
|
||
|
||
if (disabled) return
|
||
// 滑动过程中触摸结束,通过阙值判断是开启还是关闭
|
||
// fixed by mehaotian 定时器解决点击按钮，touchend 触发比 click 事件时机早的问题 ，主要是 ios13
|
||
moveDirection(state.left, instance, ownerInstance)
|
||
|
||
}
|
||
|
||
/**
|
||
* 设置移动距离
|
||
* @param {Object} value
|
||
* @param {Object} instance
|
||
* @param {Object} ownerInstance
|
||
*/
|
||
function move(value, instance, ownerInstance) {
|
||
value = value || 0
|
||
var state = instance.getState()
|
||
var leftWidth = state.leftWidth
|
||
var rightWidth = state.rightWidth
|
||
// 获取可滑动范围
|
||
state.left = range(value, -rightWidth, leftWidth);
|
||
instance.requestAnimationFrame(function() {
|
||
instance.setStyle({
|
||
transform: 'translateX(' + state.left + 'px)',
|
||
'-webkit-transform': 'translateX(' + state.left + 'px)'
|
||
})
|
||
})
|
||
|
||
}
|
||
|
||
/**
|
||
* 获取元素信息
|
||
* @param {Object} instance
|
||
* @param {Object} ownerInstance
|
||
*/
|
||
function getDom(instance, ownerInstance) {
|
||
var state = instance.getState()
|
||
var leftDom = ownerInstance.selectComponent('.button-group--left')
|
||
var rightDom = ownerInstance.selectComponent('.button-group--right')
|
||
var leftStyles = {
|
||
width: 0
|
||
}
|
||
var rightStyles = {
|
||
width: 0
|
||
}
|
||
leftStyles = leftDom.getBoundingClientRect()
|
||
rightStyles = rightDom.getBoundingClientRect()
|
||
|
||
state.leftWidth = leftStyles.width || 0
|
||
state.rightWidth = rightStyles.width || 0
|
||
state.threshold = instance.getDataset().threshold
|
||
}
|
||
|
||
/**
|
||
* 获取范围
|
||
* @param {Object} num
|
||
* @param {Object} min
|
||
* @param {Object} max
|
||
*/
|
||
function range(num, min, max) {
|
||
return Math.min(Math.max(num, min), max);
|
||
}
|
||
|
||
|
||
/**
|
||
* 移动方向判断
|
||
* @param {Object} left
|
||
* @param {Object} value
|
||
* @param {Object} ownerInstance
|
||
* @param {Object} ins
|
||
*/
|
||
function moveDirection(left, ins, ownerInstance) {
|
||
var state = ins.getState()
|
||
var threshold = state.threshold
|
||
var position = state.position
|
||
var isopen = state.isopen || 'none'
|
||
var leftWidth = state.leftWidth
|
||
var rightWidth = state.rightWidth
|
||
if (state.deltaX === 0) {
|
||
openState('none', ins, ownerInstance)
|
||
return
|
||
}
|
||
if ((isopen === 'none' && rightWidth > 0 && -left > threshold) || (isopen !== 'none' && rightWidth > 0 &&
|
||
rightWidth +
|
||
left < threshold)) {
|
||
// right
|
||
openState('right', ins, ownerInstance)
|
||
} else if ((isopen === 'none' && leftWidth > 0 && left > threshold) || (isopen !== 'none' && leftWidth > 0 &&
|
||
leftWidth - left < threshold)) {
|
||
// left
|
||
openState('left', ins, ownerInstance)
|
||
} else {
|
||
// default
|
||
openState('none', ins, ownerInstance)
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* 开启状态
|
||
* @param {Boolean} type
|
||
* @param {Object} ins
|
||
* @param {Object} ownerInstance
|
||
*/
|
||
function openState(type, ins, ownerInstance) {
|
||
var state = ins.getState()
|
||
var leftWidth = state.leftWidth
|
||
var rightWidth = state.rightWidth
|
||
var left = ''
|
||
state.isopen = state.isopen ? state.isopen : 'none'
|
||
switch (type) {
|
||
case "left":
|
||
left = leftWidth
|
||
break
|
||
case "right":
|
||
left = -rightWidth
|
||
break
|
||
default:
|
||
left = 0
|
||
}
|
||
|
||
// && !state.throttle
|
||
|
||
if (state.isopen !== type) {
|
||
state.throttle = true
|
||
ownerInstance.callMethod('change', {
|
||
open: type
|
||
})
|
||
|
||
}
|
||
|
||
state.isopen = type
|
||
// 添加动画类
|
||
ins.requestAnimationFrame(function() {
|
||
ins.addClass('ani');
|
||
move(left, ins, ownerInstance)
|
||
})
|
||
// 设置最终移动位置,理论上只要进入到这个函数，肯定是要打开的
|
||
}
|
||
|
||
|
||
function getDirection(x, y) {
|
||
if (x > y && x > MIN_DISTANCE) {
|
||
return 'horizontal';
|
||
}
|
||
if (y > x && y > MIN_DISTANCE) {
|
||
return 'vertical';
|
||
}
|
||
return '';
|
||
}
|
||
|
||
/**
|
||
* 重置滑动状态
|
||
* @param {Object} event
|
||
*/
|
||
function resetTouchStatus(instance) {
|
||
var state = instance.getState();
|
||
state.direction = '';
|
||
state.deltaX = 0;
|
||
state.deltaY = 0;
|
||
state.offsetX = 0;
|
||
state.offsetY = 0;
|
||
}
|
||
|
||
/**
|
||
* 设置滑动开始位置
|
||
* @param {Object} event
|
||
*/
|
||
function stopTouchStart(event) {
|
||
var instance = event.instance;
|
||
var state = instance.getState();
|
||
resetTouchStatus(instance);
|
||
var touch = event.touches[0];
|
||
if (IS_HTML5 && isPC()) {
|
||
touch = event;
|
||
}
|
||
state.startX = touch.clientX;
|
||
state.startY = touch.clientY;
|
||
}
|
||
|
||
/**
|
||
* 滑动中，是否禁止打开
|
||
* @param {Object} event
|
||
*/
|
||
function stopTouchMove(event) {
|
||
var instance = event.instance;
|
||
var state = instance.getState();
|
||
var touch = event.touches[0];
|
||
if (IS_HTML5 && isPC()) {
|
||
touch = event;
|
||
}
|
||
state.deltaX = touch.clientX - state.startX;
|
||
state.deltaY = touch.clientY - state.startY;
|
||
state.offsetY = Math.abs(state.deltaY);
|
||
state.offsetX = Math.abs(state.deltaX);
|
||
state.direction = state.direction || getDirection(state.offsetX, state.offsetY);
|
||
}
|
||
|
||
function isPC() {
|
||
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 movable = false
|
||
|
||
function mousedown(e, ins) {
|
||
if (!IS_HTML5) return
|
||
if (!isPC()) return
|
||
touchstart(e, ins)
|
||
movable = true
|
||
}
|
||
|
||
function mousemove(e, ins) {
|
||
if (!IS_HTML5) return
|
||
if (!isPC()) return
|
||
if (!movable) return
|
||
touchmove(e, ins)
|
||
}
|
||
|
||
function mouseup(e, ins) {
|
||
if (!IS_HTML5) return
|
||
if (!isPC()) return
|
||
touchend(e, ins)
|
||
movable = false
|
||
}
|
||
|
||
function mouseleave(e, ins) {
|
||
if (!IS_HTML5) return
|
||
if (!isPC()) return
|
||
movable = false
|
||
}
|
||
|
||
module.exports = {
|
||
showWatch: showWatch,
|
||
touchstart: touchstart,
|
||
touchmove: touchmove,
|
||
touchend: touchend,
|
||
mousedown: mousedown,
|
||
mousemove: mousemove,
|
||
mouseup: mouseup,
|
||
mouseleave: mouseleave
|
||
}
|