tui-notice-vertical.vue
4.11 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
<template>
<view class="tui-notice-vertical"
:style="{width:width?width+'rpx':'100%',height:scrollHeight+'px',background:background,padding:padding,borderRadius:radius+'rpx'}">
<view :id="elId_box" class="tui-seamless__scroll-outer">
<view :id="elId" class="tui-seamless__scroll-box"
:style="{paddingTop:scrollHeight+'px', 'animationDuration': animationDuration,'-webkit-animationDuration': animationDuration,animationPlayState: webviewHide?'paused':animationPlayState,'-webkit-animationPlayState':webviewHide?'paused':animationPlayState, animationDelay: animationDelay, '-webkit-animationDelay':animationDelay}">
<slot></slot>
</view>
</view>
</view>
</template>
<script>
export default {
name: "tui-notice-vertical",
props: {
//滚动容器宽度 rpx ，0 则使用屏幕宽度
width: {
type: [Number, String],
default: 0
},
//滚动容器高度 rpx
height: {
type: [Number, String],
default: 400
},
background: {
type: String,
default: 'transparent'
},
radius: {
type: [Number, String],
default: 0
},
padding: {
type: String,
default: '0'
},
//每秒滚动速度（距离） 默认 20px/s
speed: {
type: [Number, String],
default: 20
},
//backwards: 动画从头开始播；forwards：动画从结束点开始播
activeMode: {
type: String,
default: 'backwards'
}
},
watch: {
height(val) {
this.scrollHeight = uni.upx2px(Number(val) || 600)
}
},
data() {
const elId = `tui_${Math.ceil(Math.random() * 10e5).toString(36)}`
const elId_box = `tui_${Math.ceil(Math.random() * 10e5).toString(36)}`
return {
elId,
elId_box,
webviewHide: false,
boxHeight: 0,
contentHeight: 0,
scrollHeight: 0,
animationDuration: 'none',
animationPlayState: 'paused',
animationDelay: '0s'
};
},
created() {
this.scrollHeight = uni.upx2px(Number(this.height) || 600)
},
mounted() {
// #ifdef APP-PLUS
let pages = getCurrentPages();
let page = pages[pages.length - 1];
let currentWebview = page.$getAppWebview();
currentWebview.addEventListener('hide', () => {
this.webviewHide = true
})
currentWebview.addEventListener('show', () => {
this.webviewHide = false
})
// #endif
this.$nextTick(() => {
setTimeout(() => {
this.initAnimation()
}, 50)
})
},
methods: {
initAnimation() {
let query = [],
boxHeight = 0,
contentHeight = 0;
let noticeQuery = new Promise((resolve, reject) => {
uni.createSelectorQuery()
// #ifndef MP-ALIPAY
.in(this)
// #endif
.select(`#${this.elId}`)
.boundingClientRect()
.exec(ret => {
this.contentHeight = ret[0].height
resolve()
})
})
if (this.activeMode === 'forwards') {
let boxQuery = new Promise((resolve, reject) => {
uni.createSelectorQuery()
// #ifndef MP-ALIPAY
.in(this)
// #endif
.select(`#${this.elId_box}`)
.boundingClientRect()
.exec(ret => {
this.boxHeight = ret[0].height
resolve()
})
})
query.push(boxQuery)
}
query.push(noticeQuery)
Promise.all(query).then(() => {
this.animationDuration = `${this.contentHeight /(Number(this.speed) || 20)}s`
if (this.activeMode === 'forwards') {
this.animationDelay = `-${this.boxHeight / (Number(this.speed) || 20)}s`
}
setTimeout(() => {
this.animationPlayState = 'running'
}, 1000)
})
}
}
}
</script>
<style scoped>
.tui-notice-vertical {
width: 100%;
position: relative;
box-sizing: border-box;
overflow: hidden;
display: flex;
flex-direction: column;
z-index: 2;
}
.tui-seamless__scroll-outer {
width: 100%;
flex: 1;
overflow: hidden;
}
.tui-seamless__scroll-box {
width: 100%;
position: absolute;
left: 0;
top: 0;
word-break: break-all;
white-space: pre-wrap;
animation: notice 10s 0s linear infinite both;
animation-play-state: paused;
-webkit-backface-visibility: hidden;
-webkit-perspective: 1000;
}
@keyframes notice {
100% {
transform: translate3d(0, -100%, 0);
}
}
</style>