提交 bcbc112d 编写于 作者: H hdx

swiper-list: 移除变量名前面的$, 支持 web

上级 611d0256
......@@ -45,12 +45,12 @@
data() {
return {
swiperList: [] as SwiperViewItem[],
swiperIndex: -1,
$tabScrollView: null as null | UniElement,
$indicatorNode: null as null | UniElement,
$animationFinishIndex: 0,
$swiperWidth: 0,
$swiperTabsRect: [] as SwiperTabsItem[]
swiperIndex: 0,
tabScrollView: null as null | UniElement,
indicatorNode: null as null | UniElement,
animationFinishIndex: 0,
swiperWidth: 0,
swiperTabsRect: [] as SwiperTabsItem[]
}
},
onLoad() {
......@@ -63,11 +63,11 @@
}
},
onReady() {
this.$tabScrollView = this.$refs['tabScroll'] as UniElement
this.$indicatorNode = this.$refs['indicator'] as UniElement
this.$swiperWidth = (this.$refs["swiper"] as UniElement).getBoundingClientRect().width
this.tabScrollView = this.$refs['tabScroll'] as UniElement
this.indicatorNode = this.$refs['indicator'] as UniElement
this.swiperWidth = (this.$refs["swiper"] as UniElement).getBoundingClientRect().width
this.cacheTabItemsSize()
this.setSwiperIndex(0, true)
this.updateTabIndicator(this.swiperIndex, this.swiperIndex, 1)
},
methods: {
/**
......@@ -87,9 +87,9 @@
const offset_x = e.detail.dx
// 计算当前索引并重置差异
const current_offset_x = offset_x % this.$swiperWidth
const current_offset_i = offset_x / this.$swiperWidth
const current_index = this.$animationFinishIndex + Math.floor(current_offset_i)
const current_offset_x = offset_x % this.swiperWidth
const current_offset_i = offset_x / this.swiperWidth
const current_index = this.animationFinishIndex + parseInt(current_offset_i + '')
// 计算目标索引及边界检查
let move_to_index = current_index
......@@ -100,7 +100,7 @@
}
// 计算偏移百分比
const percentage = Math.abs(current_offset_x) / this.$swiperWidth
const percentage = Math.abs(current_offset_x) / this.swiperWidth
// 通知更新指示线
this.updateTabIndicator(current_index, move_to_index, percentage)
......@@ -112,16 +112,16 @@
this.setSwiperIndex(e.detail.current, true)
// 记录上次的索引位置
this.$animationFinishIndex = e.detail.current
this.animationFinishIndex = e.detail.current
},
/**
* 缓存所有页签的左边距和宽度,用于计算指示线在移动过程中的线性变化.
*/
cacheTabItemsSize() {
this.$swiperTabsRect.length = 0;
this.swiperTabsRect.length = 0;
const tabs = this.$refs["swipertab"] as UniElement[]
tabs.forEach((node) => {
this.$swiperTabsRect.push({
this.swiperTabsRect.push({
x: node.offsetLeft,
w: node.offsetWidth
} as SwiperTabsItem)
......@@ -152,8 +152,8 @@
* @param {number} percentage - 偏移百分比,应介于 0 和 1 之间,用于计算在移动过程中的线性值.
*/
updateTabIndicator(current_index : number, move_to_index : number, percentage : number) {
const current_size = this.$swiperTabsRect[current_index]
const move_to_size = this.$swiperTabsRect[move_to_index]
const current_size = this.swiperTabsRect[current_index]
const move_to_size = this.swiperTabsRect[move_to_index]
// 计算指示线 位置 和 宽度 在移动过程中的线性值
const indicator_line_x = lerpNumber(current_size.x, move_to_size.x, percentage)
......@@ -161,13 +161,11 @@
// 通过 transform 更新指示线,避免重排版
const x = indicator_line_x + indicator_line_w / 2
this.$indicatorNode!.style.setProperty('transform', `translateX(${x}px) scaleX(${indicator_line_w})`)
this.indicatorNode!.style.setProperty('transform', `translateX(${x}px) scaleX(${indicator_line_w})`)
// 滚动到水平中心位置
const scroll_x = x - this.$swiperWidth / 2
if(this.$tabScrollView !== null){
this.$tabScrollView!.scrollLeft = scroll_x
}
const scroll_x = x - this.swiperWidth / 2
this.tabScrollView!.scrollLeft = scroll_x
}
}
}
......
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