348 lines
11 KiB
Vue
348 lines
11 KiB
Vue
<template>
|
||
<view
|
||
class="u-loading-icon"
|
||
:style="[addStyle(customStyle)]"
|
||
:class="[vertical && 'u-loading-icon--vertical']"
|
||
v-if="show"
|
||
>
|
||
<view
|
||
v-if="!webviewHide"
|
||
class="u-loading-icon__spinner"
|
||
:class="[`u-loading-icon__spinner--${mode}`]"
|
||
ref="ani"
|
||
:style="{
|
||
color: color,
|
||
width: addUnit(size),
|
||
height: addUnit(size),
|
||
borderTopColor: color,
|
||
borderBottomColor: otherBorderColor,
|
||
borderLeftColor: otherBorderColor,
|
||
borderRightColor: otherBorderColor,
|
||
'animation-duration': `${duration}ms`,
|
||
'animation-timing-function': mode === 'semicircle' || mode === 'circle' ? timingFunction : ''
|
||
}"
|
||
>
|
||
<block v-if="mode === 'spinner'">
|
||
<!-- #ifndef APP-NVUE -->
|
||
<view
|
||
v-for="(item, index) in array12"
|
||
:key="index"
|
||
class="u-loading-icon__dot"
|
||
>
|
||
</view>
|
||
<!-- #endif -->
|
||
<!-- #ifdef APP-NVUE -->
|
||
<!-- 此组件内部图标部分无法设置宽高，即使通过width和height配置了也无效 -->
|
||
<loading-indicator
|
||
v-if="!webviewHide"
|
||
class="u-loading-indicator"
|
||
:animating="true"
|
||
:style="{
|
||
color: color,
|
||
width: addUnit(size),
|
||
height: addUnit(size)
|
||
}"
|
||
/>
|
||
<!-- #endif -->
|
||
</block>
|
||
</view>
|
||
<text
|
||
v-if="text"
|
||
class="u-loading-icon__text"
|
||
:style="{
|
||
fontSize: addUnit(textSize),
|
||
color: textColor,
|
||
}"
|
||
>{{text}}</text>
|
||
</view>
|
||
</template>
|
||
|
||
<script>
|
||
import props from './props';
|
||
import mpMixin from '../../libs/mixin/mpMixin';
|
||
import mixin from '../../libs/mixin/mixin';
|
||
import { addUnit, addStyle } from '../../libs/function/index';
|
||
import { colorGradient } from '../../libs/function/colorGradient';
|
||
// #ifdef APP-NVUE
|
||
const animation = weex.requireModule('animation');
|
||
// #endif
|
||
/**
|
||
* loading 加载动画
|
||
* @description 警此组件为一个小动画，目前用在uView的loadmore加载更多和switch开关等组件的正在加载状态场景。
|
||
* @tutorial https://ijry.github.io/uview-plus/components/loading.html
|
||
* @property {Boolean} show 是否显示组件 (默认 true)
|
||
* @property {String} color 动画活动区域的颜色，只对 mode = flower 模式有效（默认color['u-tips-color']）
|
||
* @property {String} textColor 提示文本的颜色（默认color['u-tips-color']）
|
||
* @property {Boolean} vertical 文字和图标是否垂直排列 (默认 false )
|
||
* @property {String} mode 模式选择，见官网说明（默认 'circle' ）
|
||
* @property {String | Number} size 加载图标的大小，单位px （默认 24 ）
|
||
* @property {String | Number} textSize 文字大小（默认 15 ）
|
||
* @property {String | Number} text 文字内容
|
||
* @property {String} timingFunction 动画模式 （默认 'ease-in-out' ）
|
||
* @property {String | Number} duration 动画执行周期时间（默认 1200）
|
||
* @property {String} inactiveColor mode=circle时的暗边颜色
|
||
* @property {Object} customStyle 定义需要用到的外部样式
|
||
* @example <u-loading mode="circle"></u-loading>
|
||
*/
|
||
export default {
|
||
name: 'u-loading-icon',
|
||
mixins: [mpMixin, mixin, props],
|
||
data() {
|
||
return {
|
||
// Array.form可以通过一个伪数组对象创建指定长度的数组
|
||
// https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/from
|
||
array12: Array.from({
|
||
length: 12
|
||
}),
|
||
// 这里需要设置默认值为360，否则在安卓nvue上，会延迟一个duration周期后才执行
|
||
// 在iOS nvue上，则会一开始默认执行两个周期的动画
|
||
aniAngel: 360, // 动画旋转角度
|
||
webviewHide: false, // 监听webview的状态，如果隐藏了页面，则停止动画，以免性能消耗
|
||
loading: false, // 是否运行中，针对nvue使用
|
||
}
|
||
},
|
||
computed: {
|
||
// 当为circle类型时，给其另外三边设置一个更轻一些的颜色
|
||
// 之所以需要这么做的原因是，比如父组件传了color为红色，那么需要另外的三个边为浅红色
|
||
// 而不能是固定的某一个其他颜色(因为这个固定的颜色可能浅蓝，导致效果没有那么细腻良好)
|
||
otherBorderColor() {
|
||
const lightColor = colorGradient(this.color, '#ffffff', 100)[80]
|
||
if (this.mode === 'circle') {
|
||
return this.inactiveColor ? this.inactiveColor : lightColor
|
||
} else {
|
||
return 'transparent'
|
||
}
|
||
// return this.mode === 'circle' ? this.inactiveColor ? this.inactiveColor : lightColor : 'transparent'
|
||
}
|
||
},
|
||
watch: {
|
||
show(n) {
|
||
// nvue中，show为true，且为非loading状态，就重新执行动画模块
|
||
// #ifdef APP-NVUE
|
||
if (n && !this.loading) {
|
||
setTimeout(() => {
|
||
this.startAnimate()
|
||
}, 30)
|
||
}
|
||
// #endif
|
||
}
|
||
},
|
||
mounted() {
|
||
this.init()
|
||
},
|
||
methods: {
|
||
addUnit,
|
||
addStyle,
|
||
init() {
|
||
setTimeout(() => {
|
||
// #ifdef APP-NVUE
|
||
this.show && this.nvueAnimate()
|
||
// #endif
|
||
// #ifdef APP-PLUS
|
||
this.show && this.addEventListenerToWebview()
|
||
// #endif
|
||
}, 20)
|
||
},
|
||
// 监听webview的显示与隐藏
|
||
addEventListenerToWebview() {
|
||
// webview的堆栈
|
||
const pages = getCurrentPages()
|
||
// 当前页面
|
||
const page = pages[pages.length - 1]
|
||
// 当前页面的webview实例
|
||
const currentWebview = page.$getAppWebview()
|
||
// 监听webview的显示与隐藏，从而停止或者开始动画(为了性能)
|
||
currentWebview.addEventListener('hide', () => {
|
||
this.webviewHide = true
|
||
})
|
||
currentWebview.addEventListener('show', () => {
|
||
this.webviewHide = false
|
||
})
|
||
},
|
||
// #ifdef APP-NVUE
|
||
nvueAnimate() {
|
||
// nvue下，非spinner类型时才需要旋转，因为nvue的spinner类型，使用了weex的
|
||
// loading-indicator组件，自带旋转功能
|
||
this.mode !== 'spinner' && this.startAnimate()
|
||
},
|
||
// 执行nvue的animate模块动画
|
||
startAnimate() {
|
||
this.loading = true
|
||
const ani = this.$refs.ani
|
||
if (!ani) return
|
||
animation.transition(ani, {
|
||
// 进行角度旋转
|
||
styles: {
|
||
transform: `rotate(${this.aniAngel}deg)`,
|
||
transformOrigin: 'center center'
|
||
},
|
||
duration: this.duration,
|
||
timingFunction: this.timingFunction,
|
||
// delay: 10
|
||
}, () => {
|
||
// 每次增加360deg，为了让其重新旋转一周
|
||
this.aniAngel += 360
|
||
// 动画结束后，继续循环执行动画，需要同时判断webviewHide变量
|
||
// nvue安卓，页面隐藏后依然会继续执行startAnimate方法
|
||
this.show && !this.webviewHide ? this.startAnimate() : this.loading = false
|
||
})
|
||
}
|
||
// #endif
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
@import "../../libs/css/components.scss";
|
||
$u-loading-icon-color: #c8c9cc !default;
|
||
$u-loading-icon-text-margin-left:4px !default;
|
||
$u-loading-icon-text-color:$u-content-color !default;
|
||
$u-loading-icon-text-font-size:14px !default;
|
||
$u-loading-icon-text-line-height:20px !default;
|
||
$u-loading-width:30px !default;
|
||
$u-loading-height:30px !default;
|
||
$u-loading-max-width:100% !default;
|
||
$u-loading-max-height:100% !default;
|
||
$u-loading-semicircle-border-width: 2px !default;
|
||
$u-loading-semicircle-border-color:transparent !default;
|
||
$u-loading-semicircle-border-top-right-radius: 100px !default;
|
||
$u-loading-semicircle-border-top-left-radius: 100px !default;
|
||
$u-loading-semicircle-border-bottom-left-radius: 100px !default;
|
||
$u-loading-semicircle-border-bottom-right-radiu: 100px !default;
|
||
$u-loading-semicircle-border-style: solid !default;
|
||
$u-loading-circle-border-top-right-radius: 100px !default;
|
||
$u-loading-circle-border-top-left-radius: 100px !default;
|
||
$u-loading-circle-border-bottom-left-radius: 100px !default;
|
||
$u-loading-circle-border-bottom-right-radiu: 100px !default;
|
||
$u-loading-circle-border-width:2px !default;
|
||
$u-loading-circle-border-top-color:#e5e5e5 !default;
|
||
$u-loading-circle-border-right-color:$u-loading-circle-border-top-color !default;
|
||
$u-loading-circle-border-bottom-color:$u-loading-circle-border-top-color !default;
|
||
$u-loading-circle-border-left-color:$u-loading-circle-border-top-color !default;
|
||
$u-loading-circle-border-style:solid !default;
|
||
$u-loading-icon-host-font-size:0px !default;
|
||
$u-loading-icon-host-line-height:1 !default;
|
||
$u-loading-icon-vertical-margin:6px 0 0 !default;
|
||
$u-loading-icon-dot-top:0 !default;
|
||
$u-loading-icon-dot-left:0 !default;
|
||
$u-loading-icon-dot-width:100% !default;
|
||
$u-loading-icon-dot-height:100% !default;
|
||
$u-loading-icon-dot-before-width:2px !default;
|
||
$u-loading-icon-dot-before-height:25% !default;
|
||
$u-loading-icon-dot-before-margin:0 auto !default;
|
||
$u-loading-icon-dot-before-background-color:currentColor !default;
|
||
$u-loading-icon-dot-before-border-radius:40% !default;
|
||
|
||
.u-loading-icon {
|
||
display: flex;
|
||
flex-direction: row;
|
||
align-items: center;
|
||
justify-content: center;
|
||
color: $u-loading-icon-color;
|
||
|
||
&__text {
|
||
margin-left: $u-loading-icon-text-margin-left;
|
||
color: $u-loading-icon-text-color;
|
||
font-size: $u-loading-icon-text-font-size;
|
||
line-height: $u-loading-icon-text-line-height;
|
||
}
|
||
|
||
&__spinner {
|
||
width: $u-loading-width;
|
||
height: $u-loading-height;
|
||
position: relative;
|
||
/* #ifndef APP-NVUE */
|
||
box-sizing: border-box;
|
||
max-width: $u-loading-max-width;
|
||
max-height: $u-loading-max-height;
|
||
animation: u-rotate 1s linear infinite;
|
||
/* #endif */
|
||
}
|
||
|
||
&__spinner--semicircle {
|
||
border-width: $u-loading-semicircle-border-width;
|
||
border-color: $u-loading-semicircle-border-color;
|
||
border-top-right-radius: $u-loading-semicircle-border-top-right-radius;
|
||
border-top-left-radius: $u-loading-semicircle-border-top-left-radius;
|
||
border-bottom-left-radius: $u-loading-semicircle-border-bottom-left-radius;
|
||
border-bottom-right-radius: $u-loading-semicircle-border-bottom-right-radiu;
|
||
border-style: $u-loading-semicircle-border-style;
|
||
}
|
||
|
||
&__spinner--circle {
|
||
border-top-right-radius: $u-loading-circle-border-top-right-radius;
|
||
border-top-left-radius: $u-loading-circle-border-top-left-radius;
|
||
border-bottom-left-radius: $u-loading-circle-border-bottom-left-radius;
|
||
border-bottom-right-radius: $u-loading-circle-border-bottom-right-radiu;
|
||
border-width: $u-loading-circle-border-width;
|
||
border-top-color: $u-loading-circle-border-top-color;
|
||
border-right-color: $u-loading-circle-border-right-color;
|
||
border-bottom-color: $u-loading-circle-border-bottom-color;
|
||
border-left-color: $u-loading-circle-border-left-color;
|
||
border-style: $u-loading-circle-border-style;
|
||
}
|
||
|
||
&--vertical {
|
||
flex-direction: column
|
||
}
|
||
}
|
||
|
||
/* #ifndef APP-NVUE */
|
||
:host {
|
||
font-size: $u-loading-icon-host-font-size;
|
||
line-height: $u-loading-icon-host-line-height;
|
||
}
|
||
|
||
.u-loading-icon {
|
||
&__spinner--spinner {
|
||
animation-timing-function: steps(12)
|
||
}
|
||
|
||
&__text:empty {
|
||
display: none
|
||
}
|
||
|
||
&--vertical &__text {
|
||
margin: $u-loading-icon-vertical-margin;
|
||
color: $u-content-color;
|
||
}
|
||
|
||
&__dot {
|
||
position: absolute;
|
||
top: $u-loading-icon-dot-top;
|
||
left: $u-loading-icon-dot-left;
|
||
width: $u-loading-icon-dot-width;
|
||
height: $u-loading-icon-dot-height;
|
||
|
||
&:before {
|
||
display: block;
|
||
width: $u-loading-icon-dot-before-width;
|
||
height: $u-loading-icon-dot-before-height;
|
||
margin: $u-loading-icon-dot-before-margin;
|
||
background-color: $u-loading-icon-dot-before-background-color;
|
||
border-radius: $u-loading-icon-dot-before-border-radius;
|
||
content: " "
|
||
}
|
||
}
|
||
}
|
||
|
||
@for $i from 1 through 12 {
|
||
.u-loading-icon__dot:nth-of-type(#{$i}) {
|
||
transform: rotate($i * 30deg);
|
||
opacity: 1 - 0.0625 * ($i - 1);
|
||
}
|
||
}
|
||
|
||
@keyframes u-rotate {
|
||
0% {
|
||
transform: rotate(0deg)
|
||
}
|
||
|
||
to {
|
||
transform: rotate(1turn)
|
||
}
|
||
}
|
||
|
||
/* #endif */
|
||
</style>
|