mirror of
https://gitee.com/huangge1199_admin/vue-pro.git
synced 2024-11-24 00:01:56 +08:00
271 lines
12 KiB
JavaScript
271 lines
12 KiB
JavaScript
|
// nvue操作dom的库，用于获取dom的尺寸信息
|
|||
|
|
const dom = uni.requireNativePlugin('dom')
|
|||
|
|
// nvue中用于操作元素动画的库，类似于uni.animation，只不过uni.animation不能用于nvue
|
|||
|
|
const animation = uni.requireNativePlugin('animation')
|
|||
|
|
|
|||
|
|
export default {
|
|||
|
|
data() {
|
|||
|
|
return {
|
|||
|
|
// 是否滑动中
|
|||
|
|
moving: false,
|
|||
|
|
// 状态，open-打开状态，close-关闭状态
|
|||
|
|
status: 'close',
|
|||
|
|
// 开始触摸点的X和Y轴坐标
|
|||
|
|
startX: 0,
|
|||
|
|
startY: 0,
|
|||
|
|
// 所有隐藏按钮的尺寸信息数组
|
|||
|
|
buttons: [],
|
|||
|
|
// 所有按钮的总宽度
|
|||
|
|
buttonsWidth: 0,
|
|||
|
|
// 记录上一次移动的位置值
|
|||
|
|
moveX: 0,
|
|||
|
|
// 记录上一次滑动的位置，用于前后两次做对比，如果移动的距离小于某一阈值，则认为前后之间没有移动，为了解决可能存在的通信阻塞问题
|
|||
|
|
lastX: 0
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
computed: {
|
|||
|
|
// 获取过渡时间
|
|||
|
|
getDuratin() {
|
|||
|
|
let duration = String(this.duration)
|
|||
|
|
// 如果ms为单位，返回ms的数值部分
|
|||
|
|
if (duration.indexOf('ms') >= 0) return parseInt(duration)
|
|||
|
|
// 如果s为单位，为了得到ms的数值，需要乘以1000
|
|||
|
|
if (duration.indexOf('s') >= 0) return parseInt(duration) * 1000
|
|||
|
|
// 如果值传了数值，且小于30，认为是s单位
|
|||
|
|
duration = Number(duration)
|
|||
|
|
return duration < 30 ? duration * 1000 : duration
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
watch: {
|
|||
|
|
show: {
|
|||
|
|
immediate: true,
|
|||
|
|
handler(n) {
|
|||
|
|
// if(n === true) {
|
|||
|
|
// uni.$u.sleep(50).then(() => {
|
|||
|
|
// this.openSwipeAction()
|
|||
|
|
// })
|
|||
|
|
// } else {
|
|||
|
|
// this.closeSwipeAction()
|
|||
|
|
// }
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
mounted() {
|
|||
|
|
uni.$u.sleep(20).then(() => {
|
|||
|
|
this.queryRect()
|
|||
|
|
})
|
|||
|
|
},
|
|||
|
|
methods: {
|
|||
|
|
close() {
|
|||
|
|
this.closeSwipeAction()
|
|||
|
|
},
|
|||
|
|
// 触摸单元格
|
|||
|
|
touchstart(event) {
|
|||
|
|
if (this.disabled) return
|
|||
|
|
this.closeOther()
|
|||
|
|
const { touches } = event
|
|||
|
|
// 记录触摸开始点的坐标值
|
|||
|
|
this.startX = touches[0].pageX
|
|||
|
|
this.startY = touches[0].pageY
|
|||
|
|
},
|
|||
|
|
// // 触摸滑动
|
|||
|
|
touchmove(event) {
|
|||
|
|
if (this.disabled) return
|
|||
|
|
const { touches } = event
|
|||
|
|
const { pageX } = touches[0]
|
|||
|
|
const { pageY } = touches[0]
|
|||
|
|
let moveX = pageX - this.startX
|
|||
|
|
const moveY = pageY - this.startY
|
|||
|
|
const { buttonsWidth } = this
|
|||
|
|
const len = this.buttons.length
|
|||
|
|
|
|||
|
|
// 判断前后两次的移动距离，如果小于一定值，则不进行移动处理
|
|||
|
|
if (Math.abs(pageX - this.lastX) < 0.3) return
|
|||
|
|
this.lastX = pageX
|
|||
|
|
|
|||
|
|
// 移动的X轴距离大于Y轴距离，也即终点与起点位置连线，与X轴夹角小于45度时，禁止页面滚动
|
|||
|
|
if (Math.abs(moveX) > Math.abs(moveY) || Math.abs(moveX) > this.threshold) {
|
|||
|
|
event.stopPropagation()
|
|||
|
|
}
|
|||
|
|
// 如果移动的X轴距离小于Y轴距离，也即终点位置与起点位置连线，与Y轴夹角小于45度时，认为是页面上下滑动，而不是左右滑动单元格
|
|||
|
|
if (Math.abs(moveX) < Math.abs(moveY)) return
|
|||
|
|
|
|||
|
|
// 限制右滑的距离，不允许内容部分往右偏移，右滑会导致X轴偏移值大于0，以此做判断
|
|||
|
|
// 此处不能直接return，因为滑动过程中会缺失某些关键点坐标，会导致错乱，最好的办法就是
|
|||
|
|
// 在超出后，设置为0
|
|||
|
|
if (this.status === 'open') {
|
|||
|
|
// 在开启状态下，向左滑动，需忽略
|
|||
|
|
if (moveX < 0) moveX = 0
|
|||
|
|
// 想要收起菜单，最大能移动的距离为按钮的总宽度
|
|||
|
|
if (moveX > buttonsWidth) moveX = buttonsWidth
|
|||
|
|
// 如果是已经打开了的状态，向左滑动时，移动收起菜单
|
|||
|
|
this.moveSwipeAction(-buttonsWidth + moveX)
|
|||
|
|
} else {
|
|||
|
|
// 关闭状态下，右滑动需忽略
|
|||
|
|
if (moveX > 0) moveX = 0
|
|||
|
|
// 滑动的距离不允许超过所有按钮的总宽度，此时只能是左滑，最终设置按钮的总宽度，同时为负数
|
|||
|
|
if (Math.abs(moveX) > buttonsWidth) moveX = -buttonsWidth
|
|||
|
|
// 只要是在滑过程中，就不断移动菜单的内容部分，从而使隐藏的菜单显示出来
|
|||
|
|
this.moveSwipeAction(moveX)
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
// 单元格结束触摸
|
|||
|
|
touchend(event) {
|
|||
|
|
if (this.disabled) return
|
|||
|
|
const touches = event.changedTouches ? event.changedTouches[0] : {}
|
|||
|
|
const { pageX } = touches
|
|||
|
|
const { pageY } = touches
|
|||
|
|
const { buttonsWidth } = this
|
|||
|
|
this.moveX = pageX - this.startX
|
|||
|
|
if (this.status === 'open') {
|
|||
|
|
// 在展开的状态下，继续左滑，无需操作
|
|||
|
|
if (this.moveX < 0) this.moveX = 0
|
|||
|
|
if (this.moveX > buttonsWidth) this.moveX = buttonsWidth
|
|||
|
|
// 在开启状态下，点击一下内容区域，moveX为0，也即没有进行移动，这时执行收起菜单逻辑
|
|||
|
|
if (this.moveX === 0) {
|
|||
|
|
return this.closeSwipeAction()
|
|||
|
|
}
|
|||
|
|
// 在开启状态下，滑动距离小于阈值，则默认为不关闭，同时恢复原来的打开状态
|
|||
|
|
if (Math.abs(this.moveX) < this.threshold) {
|
|||
|
|
this.openSwipeAction()
|
|||
|
|
} else {
|
|||
|
|
// 如果滑动距离大于阈值，则执行收起逻辑
|
|||
|
|
this.closeSwipeAction()
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
// 在关闭的状态下，右滑，无需操作
|
|||
|
|
if (this.moveX >= 0) this.moveX = 0
|
|||
|
|
if (this.moveX <= -buttonsWidth) this.moveX = -buttonsWidth
|
|||
|
|
// 理由同上
|
|||
|
|
if (Math.abs(this.moveX) < this.threshold) {
|
|||
|
|
this.closeSwipeAction()
|
|||
|
|
} else {
|
|||
|
|
this.openSwipeAction()
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
// 移动滑动选择器内容区域，同时显示出其隐藏的菜单
|
|||
|
|
moveSwipeAction(moveX) {
|
|||
|
|
if (this.moving) return
|
|||
|
|
this.moving = true
|
|||
|
|
|
|||
|
|
let previewButtonsMoveX = 0
|
|||
|
|
const len = this.buttons.length
|
|||
|
|
animation.transition(this.$refs['u-swipe-action-item__content'].ref, {
|
|||
|
|
styles: {
|
|||
|
|
transform: `translateX(${moveX}px)`
|
|||
|
|
},
|
|||
|
|
timingFunction: 'linear'
|
|||
|
|
}, () => {
|
|||
|
|
this.moving = false
|
|||
|
|
})
|
|||
|
|
// 按钮的组的长度
|
|||
|
|
for (let i = len - 1; i >= 0; i--) {
|
|||
|
|
const buttonRef = this.$refs[`u-swipe-action-item__right__button-${i}`][0].ref
|
|||
|
|
// 通过比例，得出元素自身该移动的距离
|
|||
|
|
const translateX = this.buttons[i].width / this.buttonsWidth * moveX
|
|||
|
|
// 最终移动的距离，是通过自身比例算出的距离，再加上在它之前所有按钮移动的距离之和
|
|||
|
|
const realTranslateX = translateX + previewButtonsMoveX
|
|||
|
|
animation.transition(buttonRef, {
|
|||
|
|
styles: {
|
|||
|
|
transform: `translateX(${realTranslateX}px)`
|
|||
|
|
},
|
|||
|
|
duration: 0,
|
|||
|
|
delay: 0,
|
|||
|
|
timingFunction: 'linear'
|
|||
|
|
}, () => {})
|
|||
|
|
// 记录本按钮之前的所有按钮的移动距离之和
|
|||
|
|
previewButtonsMoveX += translateX
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
// 关闭菜单
|
|||
|
|
closeSwipeAction() {
|
|||
|
|
if (this.status === 'close') return
|
|||
|
|
this.moving = true
|
|||
|
|
const { buttonsWidth } = this
|
|||
|
|
animation.transition(this.$refs['u-swipe-action-item__content'].ref, {
|
|||
|
|
styles: {
|
|||
|
|
transform: 'translateX(0px)'
|
|||
|
|
},
|
|||
|
|
duration: this.getDuratin,
|
|||
|
|
timingFunction: 'ease-in-out'
|
|||
|
|
}, () => {
|
|||
|
|
this.status = 'close'
|
|||
|
|
this.moving = false
|
|||
|
|
this.closeHandler()
|
|||
|
|
})
|
|||
|
|
// 按钮的组的长度
|
|||
|
|
const len = this.buttons.length
|
|||
|
|
for (let i = len - 1; i >= 0; i--) {
|
|||
|
|
const buttonRef = this.$refs[`u-swipe-action-item__right__button-${i}`][0].ref
|
|||
|
|
// 如果不满足边界条件，返回
|
|||
|
|
if (this.buttons.length === 0 || !this.buttons[i] || !this.buttons[i].width) return
|
|||
|
|
|
|||
|
|
animation.transition(buttonRef, {
|
|||
|
|
styles: {
|
|||
|
|
transform: 'translateX(0px)'
|
|||
|
|
},
|
|||
|
|
duration: this.getDuratin,
|
|||
|
|
timingFunction: 'ease-in-out'
|
|||
|
|
}, () => {})
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
// 打开菜单
|
|||
|
|
openSwipeAction() {
|
|||
|
|
if (this.status === 'open') return
|
|||
|
|
this.moving = true
|
|||
|
|
const buttonsWidth = -this.buttonsWidth
|
|||
|
|
let previewButtonsMoveX = 0
|
|||
|
|
animation.transition(this.$refs['u-swipe-action-item__content'].ref, {
|
|||
|
|
styles: {
|
|||
|
|
transform: `translateX(${buttonsWidth}px)`
|
|||
|
|
},
|
|||
|
|
duration: this.getDuratin,
|
|||
|
|
timingFunction: 'ease-in-out'
|
|||
|
|
}, () => {
|
|||
|
|
this.status = 'open'
|
|||
|
|
this.moving = false
|
|||
|
|
this.openHandler()
|
|||
|
|
})
|
|||
|
|
// 按钮的组的长度
|
|||
|
|
const len = this.buttons.length
|
|||
|
|
for (let i = len - 1; i >= 0; i--) {
|
|||
|
|
const buttonRef = this.$refs[`u-swipe-action-item__right__button-${i}`][0].ref
|
|||
|
|
// 如果不满足边界条件，返回
|
|||
|
|
if (this.buttons.length === 0 || !this.buttons[i] || !this.buttons[i].width) return
|
|||
|
|
// 通过比例，得出元素自身该移动的距离
|
|||
|
|
const translateX = this.buttons[i].width / this.buttonsWidth * buttonsWidth
|
|||
|
|
// 最终移动的距离，是通过自身比例算出的距离，再加上在它之前所有按钮移动的距离之和
|
|||
|
|
const realTranslateX = translateX + previewButtonsMoveX
|
|||
|
|
animation.transition(buttonRef, {
|
|||
|
|
styles: {
|
|||
|
|
transform: `translateX(${realTranslateX}px)`
|
|||
|
|
},
|
|||
|
|
duration: this.getDuratin,
|
|||
|
|
timingFunction: 'ease-in-out'
|
|||
|
|
}, () => {})
|
|||
|
|
previewButtonsMoveX += translateX
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
// 查询按钮节点信息
|
|||
|
|
queryRect() {
|
|||
|
|
// 历遍所有按钮数组，通过getRectByDom返回一个promise
|
|||
|
|
const promiseAll = this.rightOptions.map((item, index) => this.getRectByDom(this.$refs[`u-swipe-action-item__right__button-${index}`][0]))
|
|||
|
|
// 通过promise.all方法，让所有按钮的查询结果返回一个数组的形式
|
|||
|
|
Promise.all(promiseAll).then((sizes) => {
|
|||
|
|
this.buttons = sizes
|
|||
|
|
// 计算所有按钮总宽度
|
|||
|
|
this.buttonsWidth = sizes.reduce((sum, cur) => sum + cur.width, 0)
|
|||
|
|
})
|
|||
|
|
},
|
|||
|
|
// 通过nvue的dom模块，查询节点信息
|
|||
|
|
getRectByDom(ref) {
|
|||
|
|
return new Promise((resolve) => {
|
|||
|
|
dom.getComponentRect(ref, (res) => {
|
|||
|
|
resolve(res.size)
|
|||
|
|
})
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|