docs_vue2/one/docs/demo/slider/variant.vue
2021-09-15 20:03:51 +08:00

103 lines
2.2 KiB
Vue

<template>
<article>
<veui-slider
v-model="value"
:min="0"
:max="360"
:step="1"
:parse="parseColorHue"
:format="formatColorHue"
>
<template #track>
<div
style="width: 100%; height: 20px;"
:style="{background: colorGradient}"
/>
</template>
<template #thumb="{ index }">
<div
:key="`thumb_${index}`"
style="margin-top: 2px"
>
<div style="width: 16px; height: 12px">
<svg
width="16"
height="12"
viewBox="0 0 16 12"
><polygon points="8,0 16,12 0,12"/></svg>
</div>
</div>
</template>
<template #tip="{ open, activeIndex }">
<div
v-show="open"
class="custom-tip"
:style="{
left: `${(activeIndex >= 0 ? parseColorHue(value[activeIndex]) : 0) / 360 * 100}%`,
backgroundColor: value[activeIndex]
}"
/>
</template>
</veui-slider>
<section>
<span
v-for="(val, index) in value"
:key="`color-value-${index}`"
>
"<span :style="{ color: val }">{{ val }}</span>"<span v-if="index < value.length - 1">,</span>
</span>
</section>
</article>
</template>
<script>
import { Slider } from 'veui'
export default {
components: {
'veui-slider': Slider
},
data () {
let value = [1, 1, 1, 1, 1].map((_, i) => `hsl(${(i + 1) * 60}, 50%, 50%)`)
return { value }
},
computed: {
colorGradient () {
let colors = [1, 1, 1, 1, 1, 1, 1].map(function (_, index) {
return `hsl(${60 * index}, 50%, 50%) ${(100 / 6) * index}%`
})
return `linear-gradient(to right, ${colors.join(',')})`
}
},
methods: {
parseColorHue (val) {
return parseInt(val.substring(val.indexOf('(') + 1, val.indexOf(',')), 10)
},
formatColorHue (val) {
return `hsl(${val}, 50%, 50%)`
}
}
}
</script>
<style lang="less" scoped>
.custom-tip {
position: absolute;
top: -24px;
width: 24px;
height: 24px;
margin-left: -12px;
text-align: center;
border: 1px solid #fff;
font-size: 12px;
}
section {
margin-top: 1em;
background-color: #fafafa;
padding: 0.5em 1em;
border-radius: 4px;
font-size: 12px;
}
</style>