<template>
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<uni-shadow-root class="vant-slider-index"><view :class="'custom-class '+(utils.bem('slider', { disabled }))" :style="inactiveColor ? 'background:' + inactiveColor : ''" @click="onClick">
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<view class="van-slider__bar" :style="(barStyle)+';'+(computed.barStyle(barHeight, activeColor))">
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<view class="van-slider__button-wrapper" @touchstart="onTouchStart" @touchmove.stop.prevent="onTouchMove" @touchend="onTouchEnd" @touchcancel="onTouchEnd">
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<slot v-if="useButtonSlot" name="button"></slot>
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<view v-else class="van-slider__button"></view>
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</view>
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</view>
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</view></uni-shadow-root>
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</template>
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<wxs src="../wxs/utils.wxs" module="utils"></wxs><wxs src="./index.wxs" module="computed"></wxs>
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<script>
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global['__wxRoute'] = 'vant/slider/index'
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import { VantComponent } from '../common/component';
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import { touch } from '../mixins/touch';
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import { canIUseModel } from '../common/version';
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VantComponent({
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mixins: [touch],
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props: {
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disabled: Boolean,
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useButtonSlot: Boolean,
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activeColor: String,
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inactiveColor: String,
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max: {
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type: Number,
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value: 100,
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},
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min: {
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type: Number,
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value: 0,
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},
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step: {
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type: Number,
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value: 1,
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},
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value: {
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type: Number,
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value: 0,
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observer(val) {
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if (val !== this.value) {
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this.updateValue(val);
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}
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},
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},
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barHeight: {
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type: null,
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value: 2,
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},
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},
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created() {
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this.updateValue(this.data.value);
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},
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methods: {
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onTouchStart(event) {
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if (this.data.disabled) return;
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this.touchStart(event);
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this.startValue = this.format(this.value);
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this.dragStatus = 'start';
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},
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onTouchMove(event) {
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if (this.data.disabled) return;
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if (this.dragStatus === 'start') {
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this.$emit('drag-start');
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}
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this.touchMove(event);
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this.dragStatus = 'draging';
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this.getRect('.van-slider').then((rect) => {
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const diff = (this.deltaX / rect.width) * 100;
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this.newValue = this.startValue + diff;
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this.updateValue(this.newValue, false, true);
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});
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},
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onTouchEnd() {
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if (this.data.disabled) return;
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if (this.dragStatus === 'draging') {
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this.updateValue(this.newValue, true);
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this.$emit('drag-end');
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}
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},
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onClick(event) {
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if (this.data.disabled) return;
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const { min } = this.data;
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this.getRect('.van-slider').then((rect) => {
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const value =
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((event.detail.x - rect.left) / rect.width) * this.getRange() + min;
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this.updateValue(value, true);
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});
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},
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updateValue(value, end, drag) {
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value = this.format(value);
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const { min } = this.data;
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const width = `${((value - min) * 100) / this.getRange()}%`;
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this.value = value;
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this.setData({
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barStyle: `
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width: ${width};
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${drag ? 'transition: none;' : ''}
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`,
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});
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if (drag) {
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this.$emit('drag', { value });
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}
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if (end) {
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this.$emit('change', value);
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}
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if ((drag || end) && canIUseModel()) {
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this.setData({ value });
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}
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},
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getRange() {
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const { max, min } = this.data;
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return max - min;
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},
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format(value) {
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const { max, min, step } = this.data;
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return Math.round(Math.max(min, Math.min(value, max)) / step) * step;
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},
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},
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});
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export default global['__wxComponents']['vant/slider/index']
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</script>
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<style platform="mp-weixin">
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@import '../common/index.css';.van-slider{position:relative;border-radius:999px;border-radius:var(--border-radius-max,999px);background-color:#ebedf0;background-color:var(--slider-inactive-background-color,#ebedf0)}.van-slider:before{position:absolute;right:0;left:0;content:"";top:-8px;top:-var(--padding-xs,8px);bottom:-8px;bottom:-var(--padding-xs,8px)}.van-slider__bar{position:relative;border-radius:inherit;transition:width .2s;transition:width var(--animation-duration-fast,.2s);background-color:#1989fa;background-color:var(--slider-active-background-color,#1989fa)}.van-slider__button{width:24px;height:24px;border-radius:50%;box-shadow:0 1px 2px rgba(0,0,0,.5);background-color:#fff;background-color:var(--slider-button-background-color,#fff)}.van-slider__button-wrapper{position:absolute;top:50%;right:0;-webkit-transform:translate3d(50%,-50%,0);transform:translate3d(50%,-50%,0)}.van-slider--disabled{opacity:.5}
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</style>
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