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<template>
<view>
<t-picker
:custom-style="tools._style([customStyle])"
:class="tClass + ' ' + classPrefix"
:visible="visible"
:value="columnsValue"
:header="header"
:title="title"
:auto-close="autoClose"
:confirm-btn="confirmBtn || locale.confirm"
:cancel-btn="cancelBtn || locale.cancel"
:use-popup="usePopup"
:popup-props="popupProps"
@pick="onColumnChange"
@confirm="onConfirm"
@cancel="onCancel"
@visible-change="onVisibleChange"
@close="onClose"
>
<template
#header
>
<slot
name="header"
/>
</template>
<t-picker-item
v-for="(item, index) in columns"
:key="index"
:class="tools.cls(classPrefix + '__item', [['roomly', columns.length >= 5 && index == 0]])"
:use-slots="false"
:options="item"
index="index"
:format="formatter"
/>
<template
#footer
>
<slot
name="footer"
/>
</template>
</t-picker>
</view>
</template>
<script>
import TPicker from '../picker/picker';
import TPickerItem from '../picker-item/picker-item';
import { prefix } from '../common/config';
import { coalesce } from '../common/utils';
import { uniComponent } from '../common/src/index';
import props from './props';
import dayjsLocaleMap from './locale/dayjs';
import tools from '../common/utils.wxs';
import dayjs from '../npm/dayjs/esm/index.js';
import localeData from '../npm/dayjs/esm/plugin/localeData';
/**
* dayjs LocaleData 插件
* https://dayjs.fenxianglu.cn/category/plugin.html#localedata
*/
dayjs.extend(localeData);
dayjs.locale('zh-cn');
const defaultLocale = dayjsLocaleMap[dayjs.locale()]?.key || dayjsLocaleMap.default?.key;
const name = `${prefix}-date-time-picker`;
const ModeItem = {
YEAR: 'year',
MONTH: 'month',
DATE: 'date',
HOUR: 'hour',
MINUTE: 'minute',
SECOND: 'second',
};
const DATE_MODES = ['year', 'month', 'date'];
const TIME_MODES = ['hour', 'minute', 'second'];
const FULL_MODES = [...DATE_MODES, ...TIME_MODES];
export default uniComponent({
name,
options: {
styleIsolation: 'shared',
},
controlledProps: [
{
key: 'value',
event: 'change',
},
],
externalClasses: [
`${prefix}-class`,
`${prefix}-class-confirm`,
`${prefix}-class-cancel`,
`${prefix}-class-title`,
],
components: {
TPicker,
TPickerItem,
},
props: {
...props,
},
emits: [
'update:visible',
],
data() {
return {
prefix,
classPrefix: name,
columns: [],
columnsValue: [],
fullModes: [],
locale: dayjsLocaleMap[defaultLocale].i18n, // 国际化语言包
dayjsLocale: dayjsLocaleMap[defaultLocale].key, // dayjs 自适应的 key
tools,
dataValue: coalesce(this.value, this.defaultValue),
date: null,
};
},
watch: {
value: {
handler(v) {
this.dataValue = v;
},
immediate: true,
deep: true,
},
start: 'updateColumns',
end: 'updateColumns',
dataValue: 'updateColumns',
customLocale: {
handler(v) {
if (!v || !dayjsLocaleMap[v].key) return;
this.locale = dayjsLocaleMap[v].i18n;
this.dayjsLocale = dayjsLocaleMap[v].key;
},
immediate: true,
},
mode: {
handler(v, prev) {
// 解决 pick 事件触发两次问题
const checkEqual = () => {
if (!prev) return false;
let result = false;
try {
result = JSON.stringify(v) === JSON.stringify(prev);
} catch (e) {
return result;
}
return result;
};
if (checkEqual()) return;
const fullModes = this.getFullModeArray(v);
this.fullModes = fullModes;
this.updateColumns();
},
immediate: true,
},
},
created() {
// created 时机并不准uniapp 自己 mock 的
// this.date = null;
},
mounted() {
},
methods: {
updateColumns() {
this.date = this.getParseDate();
const { columns, columnsValue } = this.getValueCols();
this.columns = columns,
this.columnsValue = columnsValue;
},
getDaysOfWeekInMonth(date, type) {
const { locale, steps, dayjsLocale } = this;
const startOfMonth = date.startOf('month');
const minEdge = this.getOptionEdge('min', type);
const maxEdge = this.getOptionEdge('max', type);
const step = coalesce(steps?.[type], 1);
const daysOfWeek = [];
for (let i = minEdge; i <= maxEdge; i += step) {
const currentDate = startOfMonth.date(i).locale(dayjsLocale);
const dayName = currentDate.format('ddd');
daysOfWeek.push({
value: `${i}`,
label: `${i}${locale.date || ''} ${dayName}`,
});
}
return daysOfWeek;
},
getParseDate() {
const { dataValue } = this;
const minDate = this.getMinDate();
const isTimeMode = this.isTimeMode();
let currentValue = dataValue;
// 时间需要补齐前缀
if (isTimeMode) {
const dateStr = dayjs(minDate).format('YYYY-MM-DD');
currentValue = dayjs(`${dateStr} ${currentValue}`);
}
const parseDate = dayjs(currentValue || minDate);
const isDateValid = parseDate.isValid();
return isDateValid ? parseDate : minDate;
},
normalize(val, defaultDay) {
return val && dayjs(val).isValid() ? dayjs(val) : defaultDay;
},
getMinDate() {
return this.normalize(this.start, dayjs().subtract(10, 'year'));
},
getMaxDate() {
return this.normalize(this.end, dayjs().add(10, 'year'));
},
getDateRect(type = 'default') {
const map = {
min: 'getMinDate',
max: 'getMaxDate',
default: 'getDate',
};
const date = this[map[type]]();
const keys = ['year', 'month', 'date', 'hour', 'minute', 'second'];
return keys.map(k => date[k]?.());
},
getDate() {
return this.clipDate(this?.date || this.getMinDate());
},
// 数据裁减 确保数据不越界
clipDate(date) {
const minDate = this.getMinDate();
const maxDate = this.getMaxDate();
return dayjs(Math.min(Math.max(minDate.valueOf(), date.valueOf()), maxDate.valueOf()));
},
// 年变化时 需要修正 日数据 例如 2 月的 28 | 29
setYear(date, year) {
const beforeMonthDays = date.date();
const afterMonthDays = date.year(year).daysInMonth();
const tempDate = date.date(Math.min(beforeMonthDays.valueOf(), afterMonthDays.valueOf()));
return tempDate.year(year);
},
// 月变化时 需要修正 日数据边界
setMonth(date, month) {
const beforeMonthDays = date.date();
const afterMonthDays = date.month(month).daysInMonth();
const tempDate = date.date(Math.min(beforeMonthDays.valueOf(), afterMonthDays.valueOf()));
return tempDate.month(month);
},
getColumnOptions() {
const { fullModes, filter } = this;
const columnOptions = [];
fullModes?.forEach((mode) => {
const columnOption = this.getOptionByType(mode);
if (typeof filter === 'function') {
columnOptions.push(filter(mode, columnOption));
} else {
columnOptions.push(columnOption);
}
});
return columnOptions;
},
getOptionByType(type) {
const { locale, steps, showWeek } = this;
const options = [];
const minEdge = this.getOptionEdge('min', type);
const maxEdge = this.getOptionEdge('max', type);
const step = coalesce(steps?.[type], 1);
const dayjsMonthsShort = dayjs().locale(this.dayjsLocale)
.localeData()
.monthsShort();
if (type === 'date' && showWeek) {
return this.getDaysOfWeekInMonth(this.date, type);
}
for (let i = minEdge; i <= maxEdge; i += step) {
options.push({
value: `${i}`,
label: type === 'month' ? dayjsMonthsShort[i] : `${i + locale[type]}`,
});
}
return options;
},
getYearOptions(dateParams) {
const { locale } = this;
const { minDateYear, maxDateYear } = dateParams;
const years = [];
for (let i = minDateYear; i <= maxDateYear; i += 1) {
years.push({
value: `${i}`,
label: `${i + locale.year}`,
});
}
return years;
},
getOptionEdge(minOrMax, type) {
const selDateArray = this.getDateRect();
const compareArray = this.getDateRect(minOrMax);
const edge = {
month: [0, 11],
date: [1, this.getDate().daysInMonth()],
hour: [0, 23],
minute: [0, 59],
second: [0, 59],
};
const types = ['year', 'month', 'date', 'hour', 'minute', 'second'];
for (let i = 0, size = selDateArray.length; i < size; i += 1) {
if (types[i] === type) return compareArray[i];
if (compareArray[i] !== selDateArray[i]) return edge[type][minOrMax === 'min' ? 0 : 1];
}
return edge[type][minOrMax === 'min' ? 0 : 1];
},
getMonthOptions() {
const months = [];
const minMonth = this.getOptionEdge('min', 'month');
const maxMonth = this.getOptionEdge('max', 'month');
const dayjsMonthsShort = dayjs.monthsShort();
for (let i = minMonth; i <= maxMonth; i += 1) {
months.push({
value: `${i}`,
label: dayjsMonthsShort[i],
});
}
return months;
},
getDayOptions() {
const { locale } = this;
const days = [];
const minDay = this.getOptionEdge('min', 'date');
const maxDay = this.getOptionEdge('max', 'date');
for (let i = minDay; i <= maxDay; i += 1) {
days.push({
value: `${i}`,
label: `${i + locale.day}`,
});
}
return days;
},
getHourOptions() {
const { locale } = this;
const hours = [];
const minHour = this.getOptionEdge('min', 'hour');
const maxHour = this.getOptionEdge('max', 'hour');
for (let i = minHour; i <= maxHour; i += 1) {
hours.push({
value: `${i}`,
label: `${i + locale.hour}`,
});
}
return hours;
},
getMinuteOptions() {
const { locale } = this;
const minutes = [];
const minMinute = this.getOptionEdge('min', 'minute');
const maxMinute = this.getOptionEdge('max', 'minute');
for (let i = minMinute; i <= maxMinute; i += 1) {
minutes.push({
value: `${i}`,
label: `${i + locale.minute}`,
});
}
return minutes;
},
getValueCols() {
return {
columns: this.getColumnOptions(),
columnsValue: this.getColumnsValue(),
};
},
getColumnsValue() {
const { fullModes } = this;
const date = this.getDate();
const columnsValue = [];
fullModes?.forEach((mode) => {
columnsValue.push(`${date[mode]()}`);
});
return columnsValue;
},
getNewDate(value, type) {
let newValue = this.getDate();
switch (type) {
case ModeItem.YEAR:
newValue = this.setYear(newValue, value);
break;
case ModeItem.MONTH:
newValue = this.setMonth(newValue, value);
break;
case ModeItem.DATE:
newValue = newValue.date(value);
break;
case ModeItem.HOUR:
newValue = newValue.hour(value);
break;
case ModeItem.MINUTE:
newValue = newValue.minute(value);
break;
case ModeItem.SECOND:
newValue = newValue.second(value);
break;
default:
break;
}
return this.clipDate(newValue);
},
onColumnChange(e) {
const { value, column } = e;
const { fullModes, format } = this;
const columnValue = value?.[column];
const columnType = fullModes?.[column];
const newValue = this.getNewDate(parseInt(columnValue, 10), columnType);
this.date = newValue;
const { columns, columnsValue } = this.getValueCols();
this.columns = columns;
this.columnsValue = columnsValue;
const date = this.getDate();
const pickValue = format ? date.format(format) : date.valueOf();
this.$emit('pick', { value: pickValue });
},
onConfirm() {
const { format } = this;
const date = this.getDate();
const value = format ? date.format(format) : date.valueOf();
this._trigger('change', { value });
this.$emit('confirm', { value });
this.resetColumns();
},
onCancel() {
this.resetColumns();
this.$emit('cancel');
},
onVisibleChange(e) {
if (!e.visible) {
this.resetColumns();
}
},
onClose(e) {
const { trigger } = e;
this.$emit('close', { trigger });
this.$emit('update:visible', false);
},
resetColumns() {
const parseDate = this.getParseDate();
this.date = parseDate;
const { columns, columnsValue } = this.getValueCols();
this.columns = columns;
this.columnsValue = columnsValue;
},
// 将简写的 mode 转化成枚举值
getFullModeArray(mode) {
// 简易模式
if (typeof mode === 'string' || mode instanceof String) {
return this.getFullModeByModeString(mode, FULL_MODES);
}
// 高级模式
if (Array.isArray(mode)) {
if (mode?.length === 1) {
return this.getFullModeByModeString(mode[0], FULL_MODES);
}
if (mode?.length === 2) {
const dateModes = this.getFullModeByModeString(mode[0], DATE_MODES);
const timeModes = this.getFullModeByModeString(mode[1], TIME_MODES);
return [...dateModes, ...timeModes];
}
}
},
getFullModeByModeString(modeString, matchModes) {
if (!modeString) {
return [];
}
const endIndex = matchModes?.findIndex(mode => modeString === mode);
return matchModes?.slice(0, endIndex + 1);
},
// 仅展示时或者时分 需要单独特殊处理
isTimeMode() {
const { fullModes } = this;
return fullModes[0] === ModeItem.HOUR;
},
},
});
</script>
<style scoped>
@import './date-time-picker.css';
</style>