Files
music-v2/app/ui/RangeSlider.vue
T

102 lines
2.1 KiB
Vue

<script setup lang="ts">
interface SliderProps {
min?: number
max?: number
step?: number
dontUpdateImmediately?: boolean
}
const props = withDefaults(defineProps<SliderProps>(), {
min: 0,
max: 100,
step: 1,
dontUpdateImmediately: false,
})
const value = defineModel<number>()
const sliderRef = useTemplateRef("slider-ref")
const isDragging = ref(false)
const localValue = ref<number | null>(null)
const percentage = computed(() => {
const currentValue =
isDragging.value && props.dontUpdateImmediately
? (localValue.value ?? value.value ?? 0)
: (value.value ?? 0)
const range = props.max - props.min
return (((currentValue ?? 0) - props.min) / range) * 100
})
const updateFromEvent = (event: MouseEvent) => {
if (!sliderRef.value) return
const rect = sliderRef.value.getBoundingClientRect()
const x = event.clientX - rect.left
const ratio = Math.min(Math.max(x / rect.width, 0), 1)
const newValue = props.min + ratio * (props.max - props.min)
if (props.dontUpdateImmediately) localValue.value = newValue
else value.value = newValue
}
const onMouseDown = (event: MouseEvent) => {
isDragging.value = true
updateFromEvent(event)
const move = (e: MouseEvent) => updateFromEvent(e)
const up = () => {
window.removeEventListener("mousemove", move)
window.removeEventListener("mouseup", up)
isDragging.value = false
if (localValue.value != null && props.dontUpdateImmediately)
value.value = localValue.value
localValue.value = null
}
window.addEventListener("mousemove", move)
window.addEventListener("mouseup", up)
}
</script>
<template>
<div ref="slider-ref" class="slider" @mousedown="onMouseDown">
<div class="track">
<div class="fill" :style="{ width: percentage + '%' }" />
</div>
</div>
</template>
<style lang="scss" scoped>
@use "@/styles/variables" as *;
.slider {
display: flex;
align-items: center;
cursor: pointer;
user-select: none;
}
.slider .track {
position: relative;
width: 100%;
height: 6px;
border-radius: 999px;
background: $color-border;
overflow: hidden;
}
.slider .fill {
position: absolute;
inset: 0 auto 0 0;
height: 100%;
background: $color-accent;
border-radius: 999px;
}
</style>