city-casereport/miniprogram_npm/tdesign-miniprogram/rate/rate.js

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JavaScript
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2023-12-06 14:22:42 +08:00
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { SuperComponent, wxComponent } from '../common/src/index';
import config from '../common/config';
import props from './props';
import { unitConvert, getRect } from '../common/utils';
const { prefix } = config;
const name = `${prefix}-rate`;
let Rate = class Rate extends SuperComponent {
constructor() {
super(...arguments);
this.externalClasses = [`${prefix}-class`, `${prefix}-class-icon`, `${prefix}-class-text`];
this.properties = props;
this.controlledProps = [
{
key: 'value',
event: 'change',
},
];
this.data = {
prefix,
classPrefix: name,
defaultTexts: ['极差', '失望', '一般', '满意', '惊喜'],
tipsVisible: false,
tipsLeft: 0,
actionType: '',
scaleIndex: -1,
isVisibleToScreenReader: false,
};
this.methods = {
onTouch(e, eventType) {
const { count, allowHalf, gap, value: currentValue, size } = this.properties;
const [touch] = e.changedTouches;
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;
}
if (eventType === 'move' || (eventType === 'tap' && allowHalf)) {
const left = Math.ceil(value - 1) * (unitConvert(gap) + unitConvert(size)) + unitConvert(size) * 0.5;
this.setData({
tipsVisible: true,
actionType: eventType,
scaleIndex: Math.ceil(value),
tipsLeft: Math.max(left, 0),
});
}
if (value !== currentValue) {
this._trigger('change', { value });
}
if (this.touchEnd) {
this.hideTips();
}
});
},
onTap(e) {
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.data.actionType === 'move') {
this.setData({ tipsVisible: false, scaleIndex: -1 });
}
},
onSelect(e) {
const { value } = e.currentTarget.dataset;
const { actionType } = this.data;
if (actionType === 'move')
return;
this._trigger('change', { value });
setTimeout(() => this.setData({ tipsVisible: false, scaleIndex: -1 }), 300);
},
showAlertText() {
if (this.data.isVisibleToScreenReader === true)
return;
this.setData({
isVisibleToScreenReader: true,
});
setTimeout(() => {
this.setData({
isVisibleToScreenReader: false,
});
}, 2e3);
},
};
}
};
Rate = __decorate([
wxComponent()
], Rate);
export default Rate;