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waterfall.vue
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waterfall.vue
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<template>
<waterfall class="page"
v-bind:style="{padding:padding}"
:columnWidth="columnWidth" :columnCount="columnCount" :columnGap="columnGap"
:show-scrollbar="showScrollbar" :scrollable="scrollable"
@scroll="recylerScroll"
>
<refresh class="refresh" @refresh="onrefresh" @pullingdown="onpullingdown" :display="refreshing ? 'show' : 'hide'">
<loading-indicator class="indicator"></loading-indicator>
<text class="refreshText">{{refreshText}}</text>
</refresh>
<header class="header" ref="header" v-if="showHeader">
<div class="banner" src="https://gw.alicdn.com/tps/TB1ESN1PFXXXXX1apXXXXXXXXXX-1000-600.jpg" resize="cover">
<div class="bannerInfo">
<image class="avatar" src="https://gw.alicdn.com/tps/TB1EP9bPFXXXXbpXVXXXXXXXXXX-150-110.jpg" resize="cover"></image>
<text class="name">Adam Cat</text>
<div class="titleWrap">
<text class="title">Genius</text>
</div>
</div>
<div class="bannerPhotoWrap">
<image class="bannerPhoto" v-for="photo in banner.photos" :src="photo.src"></image>
</div>
</div>
</header>
<header class="stickyHeader">
<div v-if="stickyHeaderType === 'none'" class="stickyWrapper">
<text class="stickyText">Sticky Header</text>
</div>
<div v-if="stickyHeaderType === 'appear'" class="stickyWrapper">
<div class="stickyTextImageWrapper">
<text class="stickyText">Last Appear:</text>
<image class="stickyImage" :src="appearImage"></image>
</div>
<div class="stickyTextImageWrapper">
<text class="stickyText">Last Disappear:</text>
<image class="stickyImage" :src="disappearImage"></image>
</div>
</div>
<div v-if="stickyHeaderType === 'scroll'" class="stickyWrapper">
<text class="stickyText">Content Offset:{{contentOffset}}</text>
</div>
</header>
<cell v-for="(item, index) in items" :key="index" :ref="`cell${index}`" class="cell">
<div class="item" @click="onItemclick(item.behaviour, index)" @appear="itemAppear(item.src)" @disappear="itemDisappear(item.src)">
<text v-if="item.name" class="itemName">{{item.name}}</text>
<image class="itemPhoto" :src="item.src"></image>
<text v-if="item.desc" class="itemDesc">{{item.desc}}</text>
<text v-if="item.behaviourName" class="itemClickBehaviour"> {{item.behaviourName}}</text>
</div>
</cell>
<div class="fixedItem" @click="scrollToTop">
<text class="fixedText">Top</text>
</div>
</waterfall>
</template>
<style scoped>
.page {
background-color: #EFEFEF;
}
.refresh {
height: 128px;
width: 750px;
flex-direction: row;
align-items: center;
justify-content: center;
}
.refreshText {
color: #888888;
font-weight: bold;
font-size: 32px;
}
.indicator {
color: #888888;
height: 40px;
width: 40px;
margin-right: 30px;
}
.header {
background-color: #fff;
}
.banner {
height: 377px;
flex-direction: row;
}
.bannerInfo {
width: 270px;
align-items: center;
justify-content: center;
}
.avatar {
width: 148px;
height: 108px;
border-radius: 54px;
border-width: 4px;
border-color: #FFFFFF;
margin-bottom: 14px;
}
.name {
font-weight: bold;
font-size:32px;
color:#ffffff;
line-height:32px;
text-align:center;
margin-bottom: 16px;
}
.titleWrap {
width: 100px;
height: 24px;
margin-bottom: 10px;
background-color: rgba(255,255,255,0.80);
border-radius: 12px;
justify-content: center;
align-items: center;
}
.title {
font-size: 20px;
color: #000000;
}
.bannerPhotoWrap {
width: 449px;
height: 305px;
background-color: #FFFFFF;
border-radius: 12px;
margin-top: 35px;
padding: 12px;
flex-direction: row;
justify-content: space-between;
flex-wrap:wrap;
}
.bannerPhoto {
width: 137px;
height: 137px;
margin-bottom: 6px;
}
.stickyHeader {
position: sticky;
height: 94px;
flex-direction: row;
padding-bottom:6px;
}
.stickyWrapper {
flex-direction: row;
background-color:#00cc99;
justify-content: center;
align-items: center;
flex: 1;
}
.stickyTextImageWrapper {
flex: 1;
justify-content: center;
align-items: center;
flex-direction: row;
}
.stickyText {
color: #FFFFFF;
font-weight: bold;
font-size: 32px;
margin-right: 12px;
}
.stickyImage {
width: 64px;
height: 64px;
border-radius: 32px;
}
.cell {
padding-top: 6px;
padding-bottom: 6px;
}
.item {
background-color: #FFFFFF;
align-items: center;
}
.itemName {
font-size: 28px;
color:#333333;
line-height: 42px;
text-align:left;
margin-top: 24px;
}
.itemPhoto {
margin-top: 18px;
width: 220px;
height: 220px;
margin-bottom: 18px;
}
.itemDesc {
font-size: 24px;
margin: 12px;
color: #999999;
line-height: 36px;
text-align: left;
}
.itemClickBehaviour {
font-size: 36px;
color: #00cc99;
line-height: 36px;
text-align:center;
margin-top: 6px;
margin-left: 24px;
margin-right: 24px;
margin-bottom: 30px;
}
.fixedItem {
position: fixed;
width: 78px;
height: 78px;
background-color: #00cc99;
right: 32px;
bottom: 32px;
border-radius: 39px;
align-items: center;
justify-content: center;
}
.fixedText {
font-size: 36px;
color: white;
line-height: 36px;
}
</style>
<script>
export default {
data: function() {
const items = [
{
src:'https://gw.alicdn.com/tps/TB1Jl1CPFXXXXcJXXXXXXXXXXXX-370-370.jpg',
name: 'Thomas Carlyle',
desc:'Genius only means hard-working all one\'s life',
behaviourName: 'Change count',
behaviour: 'changeColumnCount'
},
{
src:'https://gw.alicdn.com/tps/TB1Hv1JPFXXXXa3XXXXXXXXXXXX-370-370.jpg',
desc:'The man who has made up his mind to win will never say "impossible "',
behaviourName: 'Change gap',
behaviour: 'changeColumnGap'
},
{
src:'https://gw.alicdn.com/tps/TB1eNKuPFXXXXc_XpXXXXXXXXXX-370-370.jpg',
desc:'There is no such thing as a great talent without great will - power',
behaviourName: 'Show scrollbar',
behaviour: 'showScrollbar',
},
{
src:'https://gw.alicdn.com/tps/TB1DCh8PFXXXXX7aXXXXXXXXXXX-370-370.jpg',
name:'Addison',
desc:'Cease to struggle and you cease to live',
behaviourName: 'Change width',
behaviour: 'changeColumnWidth',
},
{
src:'https://gw.alicdn.com/tps/TB1ACygPFXXXXXwXVXXXXXXXXXX-370-370.jpg',
desc:'A strong man will struggle with the storms of fate',
behaviourName: 'Listen appear',
behaviour: 'listenAppear',
},
{
src:'https://gw.alicdn.com/tps/TB1IGShPFXXXXaqXVXXXXXXXXXX-370-370.jpg',
name:'Ruskin',
desc:'Living without an aim is like sailing without a compass',
behaviourName: 'Set scrollable',
behaviour: 'setScrollable',
},
{
src:'https://gw.alicdn.com/tps/TB1xU93PFXXXXXHaXXXXXXXXXXX-240-240.jpg',
behaviourName: 'waterfall padding',
behaviour: 'setPadding',
},
{
src:'https://gw.alicdn.com/tps/TB19hu0PFXXXXaXaXXXXXXXXXXX-240-240.jpg',
name:'Balzac',
desc:'There is no such thing as a great talent without great will - power',
behaviourName: 'listen scroll',
behaviour: 'listenScroll',
},
{
src:'https://gw.alicdn.com/tps/TB1ux2vPFXXXXbkXXXXXXXXXXXX-240-240.jpg',
behaviourName: 'Remove cell',
behaviour: 'removeCell',
},
{
src:'https://gw.alicdn.com/tps/TB1tCCWPFXXXXa7aXXXXXXXXXXX-240-240.jpg',
behaviourName: 'Move cell',
behaviour: 'moveCell',
}
]
let repeatItems = [];
for (let i = 0; i < 3; i++) {
repeatItems.push(...items)
}
return {
padding: 0,
refreshing: false,
refreshText: 'pull to refresh...',
columnCount: 2,
columnGap: 12,
columnWidth: 'auto',
contentOffset: '0',
showHeader: true,
showScrollbar: false,
scrollable: true,
showStickyHeader: false,
appearImage: null,
disappearImage: null,
stickyHeaderType: 'none',
banner: {
photos: [
{src:'https://gw.alicdn.com/tps/TB1JyaCPFXXXXc9XXXXXXXXXXXX-140-140.jpg'},
{src:'https://gw.alicdn.com/tps/TB1MwSFPFXXXXbdXXXXXXXXXXXX-140-140.jpg'},
{src:'https://gw.alicdn.com/tps/TB1U8avPFXXXXaDXpXXXXXXXXXX-140-140.jpg'},
{src:'https://gw.alicdn.com/tps/TB17Xh8PFXXXXbkaXXXXXXXXXXX-140-140.jpg'},
{src:'https://gw.alicdn.com/tps/TB1cTmLPFXXXXXRXXXXXXXXXXXX-140-140.jpg'},
{src:'https://gw.alicdn.com/tps/TB1oCefPFXXXXbVXVXXXXXXXXXX-140-140.jpg'}
]
},
items: repeatItems
}
},
methods: {
recylerScroll: function(e) {
this.contentOffset = e.contentOffset.y
},
showOrRemoveHeader: function() {
this.showHeader = !this.showHeader
},
onItemclick: function (behaviour, index) {
console.log(`click...${behaviour} at index ${index}`)
switch (behaviour) {
case 'changeColumnCount':
this.changeColumnCount()
break
case 'changeColumnGap':
this.changeColumnGap()
break
case 'changeColumnWidth':
this.changeColumnWidth()
break
case 'showScrollbar':
this.showOrHideScrollbar()
break
case 'listenAppear':
this.listenAppearAndDisappear()
break
case 'setScrollable':
this.setScrollable()
break
case 'setPadding':
this.setRecyclerPadding()
break
case 'listenScroll':
this.listenScrollEvent()
break
case 'removeCell':
this.removeCell(index)
break
case 'moveCell':
this.moveCell(index)
break
}
},
itemAppear: function(src) {
this.appearImage = src;
},
itemDisappear: function(src) {
this.disappearImage = src;
},
changeColumnCount: function() {
if (this.columnCount === 2) {
this.columnCount = 3
} else {
this.columnCount = 2
}
},
changeColumnGap: function() {
if (this.columnGap === 12) {
this.columnGap = 'normal'
} else {
this.columnGap = 12
}
},
changeColumnWidth: function() {
if (this.columnWidth === 'auto') {
this.columnWidth = 600
} else {
this.columnWidth = 'auto'
}
},
showOrHideScrollbar: function() {
this.showScrollbar = !this.showScrollbar
},
setScrollable: function() {
this.scrollable = !this.scrollable
},
listenAppearAndDisappear: function() {
this.stickyHeaderType = (this.stickyHeaderType === 'appear' ? 'none' : 'appear')
},
listenScrollEvent: function() {
this.stickyHeaderType = (this.stickyHeaderType === 'scroll' ? 'none' : 'scroll')
},
scrollToTop: function() {
// weex.requireModule('dom').scrollToElement(this.$refs.cell0)
weex.requireModule('dom').scrollToElement(this.$refs.header)
},
setRecyclerPadding: function() {
debugger;
this.padding = (this.padding == 0 ? 12 : 0);
},
removeCell: function(index) {
this.items.splice(index, 1)
},
moveCell: function(index) {
if (index == 0) {
this.items.splice(this.items.length - 1, 0, this.items.splice(index, 1)[0]);
} else {
this.items.splice(0, 0, this.items.splice(index, 1)[0]);
}
},
onrefresh (event) {
this.refreshing = true
this.refreshText = "loading..."
setTimeout(() => {
this.refreshing = false
this.refreshText = 'pull to refresh...'
}, 2000)
},
onpullingdown (event) {
// console.log(`${event.pullingDistance}`)
if (event.pullingDistance < -64) {
this.refreshText = 'release to refresh...'
} else {
this.refreshText = 'pull to refresh...'
}
}
}
}
</script>