<script>
type ScrollEventTest = {
type : string;
target : UniElement | null;
currentTarget : UniElement | null;
direction ?: string
}
type flowItemData = {
height : number,
text : string
}
import { ItemType } from '@/components/enum-data/enum-data-types'
export default {
data() {
return {
refresher_triggered_boolean: false,
refresher_enabled_boolean: false,
scroll_with_animation_boolean: false,
show_scrollbar_boolean: false,
bounces_boolean: true,
upper_threshold_input: 50,
lower_threshold_input: 50,
scroll_top_input: 0,
scroll_left_input: 0,
refresher_background_input: "#FFF",
scrollData: [] as Array<flowItemData>,
size_enum: [{ "value": 0, "name": "item---0" }, { "value": 3, "name": "item---3" }] as ItemType[],
scrollIntoView: "",
refresherrefresh: false,
refresher_default_style_input: "black",
text: ['继续下拉执行刷新', '释放立即刷新', '刷新中', ""],
state: 3,
reset: true,
// 自动化测试
isScrollTest: '',
isScrolltolowerTest: '',
isScrolltoupperTest: '',
scrollDetailTest: null as UniScrollEventDetail | null,
scrollEndDetailTest: null as UniScrollEventDetail | null,
cross_axis_count: 2,
main_axis_gap: 2,
cross_axis_gap: 2,
waterflowPadding: [10, 5, 10, 5] as Array<number>,
loadMore: true,
isLoadMore: true,
waterflow: null as UniElement | null
}
},
onLoad() {
//静态瀑布流数据
this.scrollData = [
{ height: 300, text: "item---0" },
{ height: 150, text: "item---1" },
{ height: 120, text: "item---2" },
{ height: 100, text: "item---3" },
{ height: 100, text: "item---4" },
{ height: 150, text: "item---5" },
{ height: 140, text: "item---6" },
{ height: 190, text: "item---7" },
{ height: 160, text: "item---8" },
{ height: 120, text: "item---9" },
{ height: 109, text: "item---10" },
{ height: 102, text: "item---11" },
{ height: 123, text: "item---12" },
{ height: 156, text: "item---13" },
{ height: 177, text: "item---14" },
{ height: 105, text: "item---15" },
{ height: 110, text: "item---16" },
{ height: 90, text: "item---17" },
{ height: 130, text: "item---18" },
{ height: 140, text: "item---19" },
] as Array<flowItemData>
},
onReady() {
// 组件ready时，获取组件实例
this.waterflow = this.$refs["waterflow"] as UniElement
},
methods: {
waterflow_click() { console.log("组件被点击时触发") },
waterflow_touchstart() { console.log("手指触摸动作开始") },
waterflow_touchmove() { console.log("手指触摸后移动") },
waterflow_touchcancel() { console.log("手指触摸动作被打断，如来电提醒，弹窗") },
waterflow_touchend() { console.log("手指触摸动作结束") },
waterflow_tap() { console.log("手指触摸后马上离开") },
waterflow_longpress() { console.log("如果一个组件被绑定了 longpress 事件，那么当用户长按这个组件时，该事件将会被触发。") },
waterflow_refresherpulling(e : RefresherEvent) {
console.log("下拉刷新控件被下拉")
if (this.reset) {
if (e.detail.dy > 45) {
this.state = 1
} else {
this.state = 0
}
}
},
waterflow_refresherrefresh() {
console.log("下拉刷新被触发 ")
this.refresherrefresh = true
this.refresher_triggered_boolean = true
this.state = 2
this.reset = false;
setTimeout(() => {
this.refresher_triggered_boolean = false
}, 1500)
},
waterflow_refresherrestore() {
this.refresherrefresh = false
this.state = 3
this.reset = true
console.log("下拉刷新被复位")
},
waterflow_refresherabort() { console.log("下拉刷新被中止") },
waterflow_scrolltoupper(e : UniScrollToUpperEvent) {
console.log("滚动到顶部/左边，会触发 scrolltoupper 事件 direction=" + e.detail.direction)
this.checkEventTest({
type: e.type,
target: e.target,
currentTarget: e.currentTarget,
direction: e.detail.direction,
} as ScrollEventTest, 'scrolltoupper')
},
waterflow_scrolltolower(e : UniScrollToLowerEvent) {
console.log("滚动到底部/右边，会触发 scrolltolower 事件 direction=" + e.detail.direction)
this.checkEventTest({
type: e.type,
target: e.target,
currentTarget: e.currentTarget,
direction: e.detail.direction,
} as ScrollEventTest, 'scrolltolower')
},
waterflow_scroll(e : UniScrollEvent) {
console.log("滚动时触发，event.detail = ", e.detail)
this.scrollDetailTest = e.detail
this.checkEventTest({
type: e.type,
target: e.target,
currentTarget: e.currentTarget
} as ScrollEventTest, 'scroll')
},
waterflow_scrollend(e : UniScrollEvent) {
console.log("滚动结束时触发", e.detail)
this.scrollEndDetailTest = e.detail
this.checkEventTest({
type: e.type,
target: e.target,
currentTarget: e.currentTarget
} as ScrollEventTest, 'scrollend')
},
flow_item_click() { console.log("flow-item组件被点击时触发") },
flow_item_touchstart() { console.log("手指触摸flow-item组件动作开始") },
flow_item_touchmove() { console.log("手指触摸flow-item组件后移动") },
flow_item_touchcancel() { console.log("手指触摸flow-item组件动作被打断，如来电提醒，弹窗") },
flow_item_touchend() { console.log("手指触摸flow-item组件动作结束") },
flow_item_tap() { console.log("手指触摸flow-item组件后马上离开") },
flow_item_longpress() { console.log("flow-item组件被绑定了 longpress 事件，那么当用户长按这个组件时，该事件将会被触发。") },
change_refresher_triggered_boolean(checked : boolean) { this.refresher_triggered_boolean = checked },
change_refresher_enabled_boolean(checked : boolean) { this.refresher_enabled_boolean = checked },
change_scroll_with_animation_boolean(checked : boolean) { this.scroll_with_animation_boolean = checked },
change_show_scrollbar_boolean(checked : boolean) { this.show_scrollbar_boolean = checked },
change_bounces_boolean(checked : boolean) { this.bounces_boolean = checked },
confirm_upper_threshold_input(value : number) { this.upper_threshold_input = value },
confirm_lower_threshold_input(value : number) { this.lower_threshold_input = value },
confirm_scroll_top_input(value : number) { this.scroll_top_input = value },
confirm_scroll_left_input(value : number) { this.scroll_left_input = value },
confirm_refresher_background_input(value : string) { this.refresher_background_input = value },
item_change_size_enum(index : number) { this.scrollIntoView = "item---" + index },
//自动化测试专用
setScrollIntoView(id : string) { this.scrollIntoView = id },
// 自动化测试专用（由于事件event参数对象中存在循环引用，在ios端JSON.stringify报错，自动化测试无法page.data获取）
checkEventTest(e : ScrollEventTest, eventName : String) {
const isPass = e.type === eventName && e.target instanceof UniElement && e.currentTarget instanceof UniElement;
const result = isPass ? `${eventName}:Success` : `${eventName}:Fail`;
switch (eventName) {
case 'scroll':
this.isScrollTest = result
break;
case 'scrolltolower':
this.isScrolltolowerTest = result + `-${e.direction}`
break;
case 'scrolltoupper':
this.isScrolltoupperTest = result + `-${e.direction}`
break;
default:
break;
}
},
//自动化测试例专用
check_scroll_height() : Boolean {
var listElement = this.$refs["waterflow"] as UniElement
console.log("check_scroll_height--" + listElement.scrollHeight)
if (listElement.scrollHeight > 1400) {
return true
}
return false
},
getScrollTop() : number {
var ret = this.waterflow?.scrollTop ?? 0
console.log(ret)
return ret
},
change_refresher_style_boolean(checked : boolean) {
if (checked) {
this.refresher_default_style_input = "none"
} else {
this.refresher_default_style_input = "black"
}
},
change_load_more_boolean(checked : boolean) {
this.isLoadMore = checked
},
handleChangeCrossAxisCount(value : number) {
if (value < 1) {
uni.showToast({ title: "cross-axis-count 最小值为 1 请重新设置" })
return
}
this.cross_axis_count = value
},
handleChangeCrossAxisGap(e : UniSliderChangeEvent) {
this.cross_axis_gap = e.detail.value
},
handleChangeMainAxisGap(e : UniSliderChangeEvent) {
this.main_axis_gap = e.detail.value
},
//仅自动化测试调用
testModifyWaterflowProps() {
this.cross_axis_count = 4
this.main_axis_gap = 6
this.cross_axis_gap = 6
this.waterflowPadding = [5, 10, 5, 10] as Array<number>
},
//仅自动化测试调用
testModifyWaterflowSingleRow() {
this.cross_axis_count = 1
this.main_axis_gap = 6
this.cross_axis_gap = 6
}
}
}
</script>
<template>
<view class="main">
<waterflow :cross-axis-count="cross_axis_count" :main-axis-gap="main_axis_gap" :cross-axis-gap="cross_axis_gap"
:bounces="bounces_boolean" :upper-threshold="upper_threshold_input" :lower-threshold="lower_threshold_input"
:scroll-top="scroll_top_input" :scroll-left="scroll_left_input" :show-scrollbar="show_scrollbar_boolean"
:scroll-into-view="scrollIntoView" :scroll-with-animation="scroll_with_animation_boolean"
:refresher-enabled="refresher_enabled_boolean" :refresher-background="refresher_background_input"
:refresher-triggered="refresher_triggered_boolean" :refresher-default-style="refresher_default_style_input"
@click="waterflow_click" @touchstart="waterflow_touchstart" @touchmove="waterflow_touchmove"
@touchcancel="waterflow_touchcancel" @touchend="waterflow_touchend" @tap="waterflow_tap"
@longpress="waterflow_longpress" @refresherpulling="waterflow_refresherpulling"
@refresherrefresh="waterflow_refresherrefresh" @refresherrestore="waterflow_refresherrestore"
@refresherabort="waterflow_refresherabort" @scrolltoupper="waterflow_scrolltoupper" ref="waterflow"
@scrolltolower="waterflow_scrolltolower" @scroll="waterflow_scroll" @scrollend="waterflow_scrollend"
style="width:100%; " id="waterflow" :padding="waterflowPadding">
<flow-item v-for="(item, index) in scrollData" :key="index" :id="item.text" @click="flow_item_click"
:style="{'height' : item.height}" @touchstart="flow_item_touchstart" @touchmove="flow_item_touchmove"
@touchcancel="flow_item_touchcancel" @touchend="flow_item_touchend" @tap="flow_item_tap"
@longpress="flow_item_longpress" class="flow-item" type=1>
<text>{{item.text}}</text>
</flow-item>
<flow-item slot="refresher" id="refresher" type=2 class="refresh-box">
<text class="tip-text">{{text[state]}}</text>
</flow-item>
<flow-item v-show="isLoadMore" slot="load-more" id="loadmore" type=6 class="load-more-box">
<text>加载更多</text>
</flow-item>
</waterflow>
</view>
<scroll-view style="flex:1" direction="vertical">
<view class="content">
<boolean-data :defaultValue="false" title="设置当前下拉刷新状态，true 表示下拉刷新已经被触发，false 表示下拉刷新未被触发"
@change="change_refresher_triggered_boolean"></boolean-data>
<boolean-data :defaultValue="false" title="开启下拉刷新" @change="change_refresher_enabled_boolean"></boolean-data>
<boolean-data :defaultValue="false" title="开启自定义样式" @change="change_refresher_style_boolean"></boolean-data>
<boolean-data :defaultValue="false" title="是否在设置滚动条位置时使用滚动动画，设置false没有滚动动画"
@change="change_scroll_with_animation_boolean"></boolean-data>
<boolean-data :defaultValue="false" title="控制是否出现滚动条" @change="change_show_scrollbar_boolean"></boolean-data>
<boolean-data :defaultValue="true" title="控制是否回弹效果" @change="change_bounces_boolean"></boolean-data>
<boolean-data :defaultValue="true" title="是否显示加载更多" @change="change_load_more_boolean"></boolean-data>
<input-data defaultValue="2" title="设置cross-axis-count，触发 scrolltoupper 事件" type="number"
@confirm="handleChangeCrossAxisCount"></input-data>
<view class="uni-slider uni-list-cell-padding">
<text>拖动设置cross-axis-gap</text>
</view>
<view class="uni-slider uni-list-cell-padding">
<slider :max="20" :min="0" :step="1" :value="cross_axis_gap" :show-value="true"
@change="handleChangeCrossAxisGap" />
</view>
<view class="uni-slider uni-list-cell-padding">
<text>拖动设置main-axis-gap</text>
</view>
<view class="uni-slider uni-list-cell-padding">
<slider :max="20" :min="0" :step="1" :value="main_axis_gap" :show-value="true"
@change="handleChangeMainAxisGap" />
</view>
<input-data defaultValue="50" title="距顶部/左边多远时（单位px），触发 scrolltoupper 事件" type="number"
@confirm="confirm_upper_threshold_input"></input-data>
<input-data defaultValue="50" title="距底部/右边多远时（单位px），触发 scrolltolower 事件" type="number"
@confirm="confirm_lower_threshold_input"></input-data>
<input-data defaultValue="0" title="设置竖向滚动条位置" type="number" @confirm="confirm_scroll_top_input"></input-data>
<input-data defaultValue="#FFF" title="设置下拉刷新区域背景颜色" type="text"
@confirm="confirm_refresher_background_input"></input-data>
<enum-data :items="size_enum" title="通过id位置跳转" @change="item_change_size_enum"></enum-data>
<navigator url="/pages/component/waterflow/waterflow-fit-height">
<button type="primary" class="button">
item高度自适应
</button>
</navigator>
</view>
</scroll-view>
</template>
<style>
.main {
max-height: 250px;
padding: 5px 0;
border-bottom: 1px solid rgba(0, 0, 0, .06);
flex-direction: row;
justify-content: center;
}
.flow-item {
width: 100%;
height: 200px;
border: 1px solid #666;
background-color: #66ccff;
align-items: center;
justify-content: center;
}
.tip-text {
color: #888;
font-size: 12px;
}
.refresh-box {
justify-content: center;
align-items: center;
flex-direction: row;
height: 45px;
width: 100%;
}
.load-more-box {
justify-content: center;
align-items: center;
flex-direction: row;
height: 45px;
width: 100%;
border-style: solid;
}
.button {
margin-top: 15px;
}
</style>
