element/packages/date-picker/src/panel/date.vue

598 lines
19 KiB
Vue

<template>
<transition name="el-zoom-in-top" @after-enter="handleEnter" @after-leave="handleLeave">
<div
v-show="visible"
class="el-picker-panel el-date-picker el-popper"
:class="[{
'has-sidebar': $slots.sidebar || shortcuts,
'has-time': showTime
}, popperClass]">
<div class="el-picker-panel__body-wrapper">
<slot name="sidebar" class="el-picker-panel__sidebar"></slot>
<div class="el-picker-panel__sidebar" v-if="shortcuts">
<button
type="button"
class="el-picker-panel__shortcut"
v-for="(shortcut, key) in shortcuts"
:key="key"
@click="handleShortcutClick(shortcut)">{{ shortcut.text }}</button>
</div>
<div class="el-picker-panel__body">
<div class="el-date-picker__time-header" v-if="showTime">
<span class="el-date-picker__editor-wrap">
<el-input
:placeholder="t('el.datepicker.selectDate')"
:value="visibleDate"
size="small"
@input="val => userInputDate = val"
@change="handleVisibleDateChange" />
</span>
<span class="el-date-picker__editor-wrap" v-clickoutside="handleTimePickClose">
<el-input
ref="input"
@focus="timePickerVisible = true"
:placeholder="t('el.datepicker.selectTime')"
:value="visibleTime"
size="small"
@input="val => userInputTime = val"
@change="handleVisibleTimeChange" />
<time-picker
ref="timepicker"
:time-arrow-control="arrowControl"
@pick="handleTimePick"
:visible="timePickerVisible"
@mounted="proxyTimePickerDataProperties">
</time-picker>
</span>
</div>
<div
class="el-date-picker__header"
:class="{ 'el-date-picker__header--bordered': currentView === 'year' || currentView === 'month' }"
v-show="currentView !== 'time'">
<button
type="button"
@click="prevYear"
:aria-label="t(`el.datepicker.prevYear`)"
class="el-picker-panel__icon-btn el-date-picker__prev-btn el-icon-d-arrow-left">
</button>
<button
type="button"
@click="prevMonth"
v-show="currentView === 'date'"
:aria-label="t(`el.datepicker.prevMonth`)"
class="el-picker-panel__icon-btn el-date-picker__prev-btn el-icon-arrow-left">
</button>
<span
@click="showYearPicker"
role="button"
class="el-date-picker__header-label">{{ yearLabel }}</span>
<span
@click="showMonthPicker"
v-show="currentView === 'date'"
role="button"
class="el-date-picker__header-label"
:class="{ active: currentView === 'month' }">{{t(`el.datepicker.month${ month + 1 }`)}}</span>
<button
type="button"
@click="nextYear"
:aria-label="t(`el.datepicker.nextYear`)"
class="el-picker-panel__icon-btn el-date-picker__next-btn el-icon-d-arrow-right">
</button>
<button
type="button"
@click="nextMonth"
v-show="currentView === 'date'"
:aria-label="t(`el.datepicker.nextMonth`)"
class="el-picker-panel__icon-btn el-date-picker__next-btn el-icon-arrow-right">
</button>
</div>
<div class="el-picker-panel__content">
<date-table
v-show="currentView === 'date'"
@pick="handleDatePick"
:selection-mode="selectionMode"
:first-day-of-week="firstDayOfWeek"
:value="value"
:default-value="defaultValue ? new Date(defaultValue) : null"
:date="date"
:cell-class-name="cellClassName"
:disabled-date="disabledDate">
</date-table>
<year-table
v-show="currentView === 'year'"
@pick="handleYearPick"
:value="value"
:default-value="defaultValue ? new Date(defaultValue) : null"
:date="date"
:disabled-date="disabledDate">
</year-table>
<month-table
v-show="currentView === 'month'"
@pick="handleMonthPick"
:value="value"
:default-value="defaultValue ? new Date(defaultValue) : null"
:date="date"
:disabled-date="disabledDate">
</month-table>
</div>
</div>
</div>
<div
class="el-picker-panel__footer"
v-show="footerVisible && currentView === 'date'">
<el-button
size="mini"
type="text"
class="el-picker-panel__link-btn"
@click="changeToNow"
v-show="selectionMode !== 'dates'">
{{ t('el.datepicker.now') }}
</el-button>
<el-button
plain
size="mini"
class="el-picker-panel__link-btn"
@click="confirm">
{{ t('el.datepicker.confirm') }}
</el-button>
</div>
</div>
</transition>
</template>
<script type="text/babel">
import {
formatDate,
parseDate,
getWeekNumber,
isDate,
modifyDate,
modifyTime,
modifyWithTimeString,
clearMilliseconds,
clearTime,
prevYear,
nextYear,
prevMonth,
nextMonth,
changeYearMonthAndClampDate,
extractDateFormat,
extractTimeFormat,
timeWithinRange
} from 'element-ui/src/utils/date-util';
import Clickoutside from 'element-ui/src/utils/clickoutside';
import Locale from 'element-ui/src/mixins/locale';
import ElInput from 'element-ui/packages/input';
import ElButton from 'element-ui/packages/button';
import TimePicker from './time';
import YearTable from '../basic/year-table';
import MonthTable from '../basic/month-table';
import DateTable from '../basic/date-table';
export default {
mixins: [Locale],
directives: { Clickoutside },
watch: {
showTime(val) {
/* istanbul ignore if */
if (!val) return;
this.$nextTick(_ => {
const inputElm = this.$refs.input.$el;
if (inputElm) {
this.pickerWidth = inputElm.getBoundingClientRect().width + 10;
}
});
},
value(val) {
if (this.selectionMode === 'dates' && this.value) return;
if (isDate(val)) {
this.date = new Date(val);
} else {
this.date = this.getDefaultValue();
}
},
defaultValue(val) {
if (!isDate(this.value)) {
this.date = val ? new Date(val) : new Date();
}
},
timePickerVisible(val) {
if (val) this.$nextTick(() => this.$refs.timepicker.adjustSpinners());
},
selectionMode(newVal) {
if (newVal === 'month') {
/* istanbul ignore next */
if (this.currentView !== 'year' || this.currentView !== 'month') {
this.currentView = 'month';
}
} else if (newVal === 'dates') {
this.currentView = 'date';
}
}
},
methods: {
proxyTimePickerDataProperties() {
const format = timeFormat => {this.$refs.timepicker.format = timeFormat;};
const value = value => {this.$refs.timepicker.value = value;};
const date = date => {this.$refs.timepicker.date = date;};
const selectableRange = selectableRange => {this.$refs.timepicker.selectableRange = selectableRange;};
this.$watch('value', value);
this.$watch('date', date);
this.$watch('selectableRange', selectableRange);
format(this.timeFormat);
value(this.value);
date(this.date);
selectableRange(this.selectableRange);
},
handleClear() {
this.date = this.getDefaultValue();
this.$emit('pick', null);
},
emit(value, ...args) {
if (!value) {
this.$emit('pick', value, ...args);
} else if (Array.isArray(value)) {
const dates = value.map(date => this.showTime ? clearMilliseconds(date) : clearTime(date));
this.$emit('pick', dates, ...args);
} else {
this.$emit('pick', this.showTime ? clearMilliseconds(value) : clearTime(value), ...args);
}
this.userInputDate = null;
this.userInputTime = null;
},
// resetDate() {
// this.date = new Date(this.date);
// },
showMonthPicker() {
this.currentView = 'month';
},
showYearPicker() {
this.currentView = 'year';
},
// XXX: 没用到
// handleLabelClick() {
// if (this.currentView === 'date') {
// this.showMonthPicker();
// } else if (this.currentView === 'month') {
// this.showYearPicker();
// }
// },
prevMonth() {
this.date = prevMonth(this.date);
},
nextMonth() {
this.date = nextMonth(this.date);
},
prevYear() {
if (this.currentView === 'year') {
this.date = prevYear(this.date, 10);
} else {
this.date = prevYear(this.date);
}
},
nextYear() {
if (this.currentView === 'year') {
this.date = nextYear(this.date, 10);
} else {
this.date = nextYear(this.date);
}
},
handleShortcutClick(shortcut) {
if (shortcut.onClick) {
shortcut.onClick(this);
}
},
handleTimePick(value, visible, first) {
if (isDate(value)) {
const newDate = this.value
? modifyTime(this.value, value.getHours(), value.getMinutes(), value.getSeconds())
: modifyWithTimeString(this.getDefaultValue(), this.defaultTime);
this.date = newDate;
this.emit(this.date, true);
} else {
this.emit(value, true);
}
if (!first) {
this.timePickerVisible = visible;
}
},
handleTimePickClose() {
this.timePickerVisible = false;
},
handleMonthPick(month) {
if (this.selectionMode === 'month') {
this.date = modifyDate(this.date, this.year, month, 1);
this.emit(this.date);
} else {
this.date = changeYearMonthAndClampDate(this.date, this.year, month);
// TODO: should emit intermediate value ??
// this.emit(this.date);
this.currentView = 'date';
}
},
handleDatePick(value) {
if (this.selectionMode === 'day') {
let newDate = this.value
? modifyDate(this.value, value.getFullYear(), value.getMonth(), value.getDate())
: modifyWithTimeString(value, this.defaultTime);
// change default time while out of selectableRange
if (!this.checkDateWithinRange(newDate)) {
newDate = modifyDate(this.selectableRange[0][0], value.getFullYear(), value.getMonth(), value.getDate());
}
this.date = newDate;
this.emit(this.date, this.showTime);
} else if (this.selectionMode === 'week') {
this.emit(value.date);
} else if (this.selectionMode === 'dates') {
this.emit(value, true); // set false to keep panel open
}
},
handleYearPick(year) {
if (this.selectionMode === 'year') {
this.date = modifyDate(this.date, year, 0, 1);
this.emit(this.date);
} else {
this.date = changeYearMonthAndClampDate(this.date, year, this.month);
// TODO: should emit intermediate value ??
// this.emit(this.date, true);
this.currentView = 'month';
}
},
changeToNow() {
// NOTE: not a permanent solution
// consider disable "now" button in the future
if ((!this.disabledDate || !this.disabledDate(new Date())) && this.checkDateWithinRange(new Date())) {
this.date = new Date();
this.emit(this.date);
}
},
confirm() {
if (this.selectionMode === 'dates') {
this.emit(this.value);
} else {
// value were emitted in handle{Date,Time}Pick, nothing to update here
// deal with the scenario where: user opens the picker, then confirm without doing anything
const value = this.value
? this.value
: modifyWithTimeString(this.getDefaultValue(), this.defaultTime);
this.date = new Date(value); // refresh date
this.emit(value);
}
},
resetView() {
if (this.selectionMode === 'month') {
this.currentView = 'month';
} else if (this.selectionMode === 'year') {
this.currentView = 'year';
} else {
this.currentView = 'date';
}
},
handleEnter() {
document.body.addEventListener('keydown', this.handleKeydown);
},
handleLeave() {
this.$emit('dodestroy');
document.body.removeEventListener('keydown', this.handleKeydown);
},
handleKeydown(event) {
const keyCode = event.keyCode;
const list = [38, 40, 37, 39];
if (this.visible && !this.timePickerVisible) {
if (list.indexOf(keyCode) !== -1) {
this.handleKeyControl(keyCode);
event.stopPropagation();
event.preventDefault();
}
if (keyCode === 13 && this.userInputDate === null && this.userInputTime === null) { // Enter
this.emit(this.date, false);
}
}
},
handleKeyControl(keyCode) {
const mapping = {
'year': {
38: -4, 40: 4, 37: -1, 39: 1, offset: (date, step) => date.setFullYear(date.getFullYear() + step)
},
'month': {
38: -4, 40: 4, 37: -1, 39: 1, offset: (date, step) => date.setMonth(date.getMonth() + step)
},
'week': {
38: -1, 40: 1, 37: -1, 39: 1, offset: (date, step) => date.setDate(date.getDate() + step * 7)
},
'day': {
38: -7, 40: 7, 37: -1, 39: 1, offset: (date, step) => date.setDate(date.getDate() + step)
}
};
const mode = this.selectionMode;
const year = 3.1536e10;
const now = this.date.getTime();
const newDate = new Date(this.date.getTime());
while (Math.abs(now - newDate.getTime()) <= year) {
const map = mapping[mode];
map.offset(newDate, map[keyCode]);
if (typeof this.disabledDate === 'function' && this.disabledDate(newDate)) {
continue;
}
this.date = newDate;
this.$emit('pick', newDate, true);
break;
}
},
handleVisibleTimeChange(value) {
const time = parseDate(value, this.timeFormat);
if (time && this.checkDateWithinRange(time)) {
this.date = modifyDate(time, this.year, this.month, this.monthDate);
this.userInputTime = null;
this.$refs.timepicker.value = this.date;
this.timePickerVisible = false;
this.emit(this.date, true);
}
},
handleVisibleDateChange(value) {
const date = parseDate(value, this.dateFormat);
if (date) {
if (typeof this.disabledDate === 'function' && this.disabledDate(date)) {
return;
}
this.date = modifyTime(date, this.date.getHours(), this.date.getMinutes(), this.date.getSeconds());
this.userInputDate = null;
this.resetView();
this.emit(this.date, true);
}
},
isValidValue(value) {
return value && !isNaN(value) && (
typeof this.disabledDate === 'function'
? !this.disabledDate(value)
: true
) && this.checkDateWithinRange(value);
},
getDefaultValue() {
// if default-value is set, return it
// otherwise, return now (the moment this method gets called)
return this.defaultValue ? new Date(this.defaultValue) : new Date();
},
checkDateWithinRange(date) {
return this.selectableRange.length > 0
? timeWithinRange(date, this.selectableRange, this.format || 'HH:mm:ss')
: true;
}
},
components: {
TimePicker, YearTable, MonthTable, DateTable, ElInput, ElButton
},
data() {
return {
popperClass: '',
date: new Date(),
value: '',
defaultValue: null, // use getDefaultValue() for time computation
defaultTime: null,
showTime: false,
selectionMode: 'day',
shortcuts: '',
visible: false,
currentView: 'date',
disabledDate: '',
cellClassName: '',
selectableRange: [],
firstDayOfWeek: 7,
showWeekNumber: false,
timePickerVisible: false,
format: '',
arrowControl: false,
userInputDate: null,
userInputTime: null
};
},
computed: {
year() {
return this.date.getFullYear();
},
month() {
return this.date.getMonth();
},
week() {
return getWeekNumber(this.date);
},
monthDate() {
return this.date.getDate();
},
footerVisible() {
return this.showTime || this.selectionMode === 'dates';
},
visibleTime() {
if (this.userInputTime !== null) {
return this.userInputTime;
} else {
return formatDate(this.value || this.defaultValue, this.timeFormat);
}
},
visibleDate() {
if (this.userInputDate !== null) {
return this.userInputDate;
} else {
return formatDate(this.value || this.defaultValue, this.dateFormat);
}
},
yearLabel() {
const yearTranslation = this.t('el.datepicker.year');
if (this.currentView === 'year') {
const startYear = Math.floor(this.year / 10) * 10;
if (yearTranslation) {
return startYear + ' ' + yearTranslation + ' - ' + (startYear + 9) + ' ' + yearTranslation;
}
return startYear + ' - ' + (startYear + 9);
}
return this.year + ' ' + yearTranslation;
},
timeFormat() {
if (this.format) {
return extractTimeFormat(this.format);
} else {
return 'HH:mm:ss';
}
},
dateFormat() {
if (this.format) {
return extractDateFormat(this.format);
} else {
return 'yyyy-MM-dd';
}
}
}
};
</script>