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lingxiao865 c5af079d8c first commit
2026-02-10 08:05:03 +08:00

277 lines
7.7 KiB
Vue

<template>
<view
:class="classPrefix"
:style="tools._style([customStyle])"
>
<view
:class="classPrefix + '__wrapper ' + tClass"
:style="'font-size:' + utils.regSize(size)"
aria-role="slider"
:aria-valuemax="count"
:aria-valuemin="0"
:aria-valuenow="dataValue"
:aria-valuetext="utils.getText(texts, dataValue, defaultTexts)"
@touchstart="parseEventDynamicCode($event, !disabled ? 'onTouchStart' : '')"
@touchmove="parseEventDynamicCode($event, !disabled ? 'onTouchMove' : '')"
@click="onTap"
@touchend="parseEventDynamicCode($event, !disabled ? 'onTouchEnd' : '')"
@touchcancel="parseEventDynamicCode($event, !disabled ? 'onTouchEnd' : '')"
>
<t-icon
v-for="(item, index) in count"
:key="index"
:t-class="classPrefix + '__icon ' + utils.getIconClass(classPrefix + '__icon', defaultValue, dataValue, index, allowHalf, disabled, scaleIndex) + ' ' + tClassIcon"
:custom-style="'margin-right: ' + (count - index > 1 ? tools.addUnit(gap) : 0) + '; ' + utils.getColor(color)"
:name="utils.getIconName(defaultValue, dataValue, index, icon)"
:size="size"
:prefix="iconPrefix"
/>
</view>
<text
v-if="showText"
:class="tools.cls(classPrefix + '__text', [['active', dataValue > 0]]) + ' ' + tClassText"
:aria-hidden="true"
>
{{ utils.getText(texts, dataValue, defaultTexts) }}
</text>
<text
v-if="isVisibleToScreenReader"
:class="
tools.cls(classPrefix + '__text', [
['active', dataValue > 0],
['sr-only', isVisibleToScreenReader]
]) +
' ' +
tClassText
"
aria-role="alert"
aria-live="assertive"
>
{{ dataValue + '星' }} {{ utils.getText(texts, dataValue, defaultTexts) }}
</text>
<!-- TODO -->
<view
v-if="tipsVisible && placement"
:class="tools.cls(classPrefix + '__tips', [placement])"
:style="'left: ' + tipsLeft + 'px'"
:aria-hidden="true"
>
<block v-if="actionType == 'tap'">
<view
v-if="allowHalf"
:class="tools.cls(classPrefix + '__tips-item', [['active', utils.ceil(dataValue) - 0.5 == dataValue]])"
:data-value="utils.ceil(dataValue) - 0.5"
@click="onSelect"
>
<t-icon
:t-class="classPrefix + '__icon ' + classPrefix + '__icon--selected-half'"
:name="utils.getIconName(defaultValue, dataValue, 0, icon)"
:size="size"
:custom-style="utils.getColor(color)"
/>
<view :class="classPrefix + '__tips-text'">
{{ utils.ceil(dataValue) - 0.5 }}
</view>
</view>
<view
:class="tools.cls(classPrefix + '__tips-item', [['active', utils.ceil(dataValue) == dataValue]])"
:data-value="utils.ceil(dataValue)"
@click="onSelect"
>
<t-icon
:t-class="tools.cls(classPrefix + '__icon', ['selected'])"
:name="utils.getIconName(defaultValue, 0, 0, icon)"
:size="size"
:custom-style="utils.getColor(color)"
/>
<view :class="classPrefix + '__tips-text'">
{{ utils.ceil(dataValue) }}
</view>
</view>
</block>
<view
v-else
:class="tools.cls(classPrefix + '__tips-item', [['active', utils.ceil(dataValue) == dataValue && actionType == 'tap']])"
:data-value="utils.ceil(dataValue)"
@click="onSelect"
>
<t-icon
:t-class="
tools.cls(classPrefix + '__icon', [
['selected', utils.ceil(dataValue) == dataValue],
['selected-half', utils.ceil(dataValue) != dataValue]
])
"
:name="utils.getIconName(defaultValue, 0, 0, icon)"
:size="size"
:custom-style="utils.getColor(color)"
/>
<view :class="classPrefix + '__tips-text'">
{{ dataValue }}
</view>
</view>
</view>
</view>
</template>
<script>
import TIcon from '../icon/icon';
import { uniComponent } from '../common/src/index';
import { prefix } from '../common/config';
import props from './props';
import { unitConvert, getRect, coalesce } from '../common/utils';
import tools from '../common/utils.wxs';
import utils from './computed.js';
import { parseEventDynamicCode } from '../common/event/dynamic';
const name = `${prefix}-rate`;
export default uniComponent({
name,
options: {
styleIsolation: 'shared',
},
controlledProps: [
{
key: 'value',
event: 'change',
},
],
externalClasses: [
`${prefix}-class`,
`${prefix}-class-icon`,
`${prefix}-class-text`,
],
components: {
TIcon,
},
props: {
...props,
},
data() {
return {
prefix,
classPrefix: name,
defaultTexts: ['极差', '失望', '一般', '满意', '惊喜'],
tipsVisible: false,
tipsLeft: 0,
actionType: '',
scaleIndex: -1,
isVisibleToScreenReader: false,
tools,
utils,
dataValue: coalesce(this.value, this.defaultValue),
};
},
watch: {
value: {
handler(v) {
this.dataValue = v;
},
immediate: true,
},
},
mounted() {
},
methods: {
parseEventDynamicCode,
onTouch(e, eventType) {
const { count, allowHalf, gap, dataValue: currentValue, size } = this;
let touch = e.changedTouches?.[0];
// #ifdef MP-ALIPAY
if (eventType === 'tap') {
touch = e.target;
}
// #endif
const margin = unitConvert(gap);
getRect(this, `.${name}__wrapper`).then((rect) => {
const { width, left } = rect;
const starWidth = (width - (count - 1) * margin) / count;
const offsetX = touch.pageX - left;
const num = (offsetX + margin) / (starWidth + margin);
const remainder = num % 1;
const integral = num - remainder;
let value = remainder <= 0.5 && allowHalf ? integral + 0.5 : integral + 1;
if (value > count) {
value = count;
} else if (value < 0) {
value = 0;
}
const tipsLeft = Math.ceil(value - 1) * (unitConvert(gap) + unitConvert(size)) + unitConvert(size) * 0.5;
this.tipsVisible = true;
this.actionType = eventType;
this.scaleIndex = Math.ceil(value);
this.tipsLeft = Math.max(tipsLeft, 0);
if (value !== currentValue) {
this.innerTrigger(value);
}
if (this.touchEnd) {
this.hideTips();
}
});
},
innerTrigger(value) {
this._trigger('change', { value });
if (this._selfControlled) {
this.currentValue = value;
}
},
onTap(e) {
const { disabled } = this;
if (disabled) return;
this.onTouch(e, 'tap');
},
onTouchStart() {
this.touchEnd = false;
},
onTouchMove(e) {
this.onTouch(e, 'move');
this.showAlertText();
},
onTouchEnd() {
this.touchEnd = true;
this.hideTips();
},
hideTips() {
if (this.actionType === 'move') {
this.tipsVisible = false;
this.scaleIndex = -1;
}
},
onSelect(e) {
const { value } = e.currentTarget.dataset;
const { actionType } = this;
if (actionType === 'move') return;
this.innerTrigger(value);
setTimeout(() => {
this.tipsVisible = false;
this.scaleIndex = -1;
}, 300);
},
// 旁白模式: 变更数值时显示告警文案
showAlertText() {
if (this.isVisibleToScreenReader === true) return;
this.isVisibleToScreenReader = true;
setTimeout(() => {
this.isVisibleToScreenReader = false;
}, 2e3);
},
},
});
</script>
<style scoped>
@import './rate.css';
</style>