271 lines
6.8 KiB
JavaScript
271 lines
6.8 KiB
JavaScript
|
const MIN_DISTANCE = 10;
|
|||
|
|
export default {
|
|||
|
|
showWatch(newVal, oldVal, ownerInstance, instance,self) {
|
|||
|
|
var state = self.state
|
|||
|
|
var $el = ownerInstance.$el || ownerInstance.$vm && ownerInstance.$vm.$el
|
|||
|
|
if(!$el) return
|
|||
|
|
this.getDom(instance, ownerInstance,self)
|
|||
|
|
if (newVal && newVal !== 'none') {
|
|||
|
|
this.openState(newVal, instance, ownerInstance,self)
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (state.left) {
|
|||
|
|
this.openState('none', instance, ownerInstance,self)
|
|||
|
|
}
|
|||
|
|
this.resetTouchStatus(instance,self)
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 开始触摸操作
|
|||
|
|
* @param {Object} e
|
|||
|
|
* @param {Object} ins
|
|||
|
|
*/
|
|||
|
|
touchstart(e, ownerInstance, self) {
|
|||
|
|
let instance = e.instance;
|
|||
|
|
let disabled = instance.getDataset().disabled
|
|||
|
|
let state = self.state;
|
|||
|
|
this.getDom(instance, ownerInstance, self)
|
|||
|
|
// 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 = this.getDisabledType(disabled)
|
|||
|
|
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
|
|||
|
|
this.stopTouchStart(e, ownerInstance, self)
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 开始滑动操作
|
|||
|
|
* @param {Object} e
|
|||
|
|
* @param {Object} ownerInstance
|
|||
|
|
*/
|
|||
|
|
touchmove(e, ownerInstance, self) {
|
|||
|
|
let instance = e.instance;
|
|||
|
|
// 删除之后已经那不到实例了
|
|||
|
|
if(!instance) return;
|
|||
|
|
let disabled = instance.getDataset().disabled
|
|||
|
|
let state = self.state
|
|||
|
|
// 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 = this.getDisabledType(disabled)
|
|||
|
|
if (disabled) return
|
|||
|
|
// 是否可以滑动页面
|
|||
|
|
this.stopTouchMove(e, self);
|
|||
|
|
if (state.direction !== 'horizontal') {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
if (e.preventDefault) {
|
|||
|
|
// 阻止页面滚动
|
|||
|
|
e.preventDefault()
|
|||
|
|
}
|
|||
|
|
let x = state.x + state.deltaX
|
|||
|
|
this.move(x, instance, ownerInstance, self)
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 结束触摸操作
|
|||
|
|
* @param {Object} e
|
|||
|
|
* @param {Object} ownerInstance
|
|||
|
|
*/
|
|||
|
|
touchend(e, ownerInstance, self) {
|
|||
|
|
let instance = e.instance;
|
|||
|
|
let disabled = instance.getDataset().disabled
|
|||
|
|
let state = self.state
|
|||
|
|
// 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 = this.getDisabledType(disabled)
|
|||
|
|
|
|||
|
|
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
|
|||
|
|
this.moveDirection(state.left, instance, ownerInstance, self)
|
|||
|
|
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 设置移动距离
|
|||
|
|
* @param {Object} value
|
|||
|
|
* @param {Object} instance
|
|||
|
|
* @param {Object} ownerInstance
|
|||
|
|
*/
|
|||
|
|
move(value, instance, ownerInstance, self) {
|
|||
|
|
value = value || 0
|
|||
|
|
let state = self.state
|
|||
|
|
let leftWidth = state.leftWidth
|
|||
|
|
let rightWidth = state.rightWidth
|
|||
|
|
// 获取可滑动范围
|
|||
|
|
state.left = this.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
|
|||
|
|
*/
|
|||
|
|
getDom(instance, ownerInstance, self) {
|
|||
|
|
var state = self.state
|
|||
|
|
var $el = ownerInstance.$el || ownerInstance.$vm && ownerInstance.$vm.$el
|
|||
|
|
var leftDom = $el.querySelector('.button-group--left')
|
|||
|
|
var rightDom = $el.querySelector('.button-group--right')
|
|||
|
|
|
|||
|
|
state.leftWidth = leftDom.offsetWidth || 0
|
|||
|
|
state.rightWidth = rightDom.offsetWidth || 0
|
|||
|
|
state.threshold = instance.getDataset().threshold
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
getDisabledType(value) {
|
|||
|
|
return (typeof(value) === 'string' ? JSON.parse(value) : value) || false;
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取范围
|
|||
|
|
* @param {Object} num
|
|||
|
|
* @param {Object} min
|
|||
|
|
* @param {Object} max
|
|||
|
|
*/
|
|||
|
|
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
|
|||
|
|
*/
|
|||
|
|
moveDirection(left, ins, ownerInstance, self) {
|
|||
|
|
var state = self.state
|
|||
|
|
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) {
|
|||
|
|
this.openState('none', ins, ownerInstance, self)
|
|||
|
|
return
|
|||
|
|
}
|
|||
|
|
if ((isopen === 'none' && rightWidth > 0 && -left > threshold) || (isopen !== 'none' && rightWidth > 0 &&
|
|||
|
|
rightWidth +
|
|||
|
|
left < threshold)) {
|
|||
|
|
// right
|
|||
|
|
this.openState('right', ins, ownerInstance, self)
|
|||
|
|
} else if ((isopen === 'none' && leftWidth > 0 && left > threshold) || (isopen !== 'none' && leftWidth > 0 &&
|
|||
|
|
leftWidth - left < threshold)) {
|
|||
|
|
// left
|
|||
|
|
this.openState('left', ins, ownerInstance, self)
|
|||
|
|
} else {
|
|||
|
|
// default
|
|||
|
|
this.openState('none', ins, ownerInstance, self)
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 开启状态
|
|||
|
|
* @param {Boolean} type
|
|||
|
|
* @param {Object} ins
|
|||
|
|
* @param {Object} ownerInstance
|
|||
|
|
*/
|
|||
|
|
openState(type, ins, ownerInstance, self) {
|
|||
|
|
let state = self.state
|
|||
|
|
let leftWidth = state.leftWidth
|
|||
|
|
let rightWidth = state.rightWidth
|
|||
|
|
let 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(()=> {
|
|||
|
|
ins.addClass('ani');
|
|||
|
|
this.move(left, ins, ownerInstance, self)
|
|||
|
|
})
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
|
|||
|
|
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
|
|||
|
|
*/
|
|||
|
|
resetTouchStatus(instance, self) {
|
|||
|
|
let state = self.state;
|
|||
|
|
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
|
|||
|
|
*/
|
|||
|
|
stopTouchStart(event, ownerInstance, self) {
|
|||
|
|
let instance = event.instance;
|
|||
|
|
let state = self.state
|
|||
|
|
this.resetTouchStatus(instance, self);
|
|||
|
|
var touch = event.touches[0];
|
|||
|
|
state.startX = touch.clientX;
|
|||
|
|
state.startY = touch.clientY;
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 滑动中，是否禁止打开
|
|||
|
|
* @param {Object} event
|
|||
|
|
*/
|
|||
|
|
stopTouchMove(event, self) {
|
|||
|
|
let instance = event.instance;
|
|||
|
|
let state = self.state;
|
|||
|
|
let touch = event.touches[0];
|
|||
|
|
|
|||
|
|
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 || this.getDirection(state.offsetX, state.offsetY);
|
|||
|
|
}
|
|||
|
|
}
|