iview/src/components/date-picker/picker.vue

799 lines
32 KiB
Vue
Raw Normal View History

2019-08-27 09:42:40 +08:00
<template>
<div
:class="wrapperClasses"
v-click-outside:mousedown.capture="handleClose"
v-click-outside:touchstart.capture="handleClose"
v-click-outside.capture="handleClose"
>
<div ref="reference" :class="[prefixCls + '-rel']">
<slot>
<i-input
:key="forceInputRerender"
:element-id="elementId"
:class="[prefixCls + '-editor']"
:readonly="!editable || readonly"
:disabled="disabled"
:size="size"
:placeholder="placeholder"
:value="visualValue"
:name="name"
ref="input"
@on-input-change="handleInputChange"
@on-focus="handleFocus"
@on-blur="handleBlur"
@click.native="handleFocus"
@keydown.native="handleKeydown"
@mouseenter.native="handleInputMouseenter"
@mouseleave.native="handleInputMouseleave"
>
<Icon @click="handleIconClick" :type="arrowType" :custom="customArrowType" :size="arrowSize" slot="suffix" />
</i-input>
</slot>
</div>
<transition name="transition-drop">
<Drop
@click.native="handleTransferClick"
v-show="opened"
:class="{ [prefixCls + '-transfer']: transfer }"
:placement="placement"
ref="drop"
:data-transfer="transfer"
:transfer="transfer"
v-transfer-dom>
<div>
<component
:is="panel"
ref="pickerPanel"
:visible="visible"
:showTime="type === 'datetime' || type === 'datetimerange'"
:confirm="isConfirm"
:selectionMode="selectionMode"
:steps="steps"
:format="format"
:value="internalValue"
:start-date="startDate"
:split-panels="splitPanels"
:show-week-numbers="showWeekNumbers"
:picker-type="type"
:multiple="multiple"
:focused-date="focusedDate"
:time-picker-options="timePickerOptions"
v-bind="ownPickerProps"
@on-pick="onPick"
@on-pick-clear="handleClear"
@on-pick-success="onPickSuccess"
@on-pick-click="disableClickOutSide = true"
@on-selection-mode-change="onSelectionModeChange"
></component>
</div>
</Drop>
</transition>
</div>
</template>
<script>
import iInput from '../../components/input/input.vue';
import Drop from '../../components/select/dropdown.vue';
import Icon from '../../components/icon/icon.vue';
import {directive as clickOutside} from 'v-click-outside-x';
import TransferDom from '../../directives/transfer-dom';
import { oneOf } from '../../utils/assist';
import { DEFAULT_FORMATS, TYPE_VALUE_RESOLVER_MAP, getDayCountOfMonth } from './util';
import {findComponentsDownward} from '../../utils/assist';
import Emitter from '../../mixins/emitter';
const prefixCls = 'ivu-date-picker';
const pickerPrefixCls = 'ivu-picker';
const isEmptyArray = val => val.reduce((isEmpty, str) => isEmpty && !str || (typeof str === 'string' && str.trim() === ''), true);
const keyValueMapper = {
40: 'up',
39: 'right',
38: 'down',
37: 'left',
};
const mapPossibleValues = (key, horizontal, vertical) => {
if (key === 'left') return horizontal * -1;
if (key === 'right') return horizontal * 1;
if (key === 'up') return vertical * 1;
if (key === 'down') return vertical * -1;
};
const pulseElement = (el) => {
const pulseClass = 'ivu-date-picker-btn-pulse';
el.classList.add(pulseClass);
setTimeout(() => el.classList.remove(pulseClass), 200);
};
const extractTime = date => {
if (!date) return [0, 0, 0];
return [
date.getHours(), date.getMinutes(), date.getSeconds()
];
};
export default {
mixins: [ Emitter ],
components: { iInput, Drop, Icon },
directives: { clickOutside, TransferDom },
props: {
format: {
type: String
},
readonly: {
type: Boolean,
default: false
},
disabled: {
type: Boolean,
default: false
},
editable: {
type: Boolean,
default: true
},
clearable: {
type: Boolean,
default: true
},
confirm: {
type: Boolean,
default: false
},
open: {
type: Boolean,
default: null
},
multiple: {
type: Boolean,
default: false
},
timePickerOptions: {
default: () => ({}),
type: Object,
},
splitPanels: {
type: Boolean,
default: false
},
showWeekNumbers: {
type: Boolean,
default: false
},
startDate: {
type: Date
},
size: {
validator (value) {
return oneOf(value, ['small', 'large', 'default']);
},
default () {
return !this.$IVIEW || this.$IVIEW.size === '' ? 'default' : this.$IVIEW.size;
}
},
placeholder: {
type: String,
default: ''
},
placement: {
validator (value) {
return oneOf(value, ['top', 'top-start', 'top-end', 'bottom', 'bottom-start', 'bottom-end', 'left', 'left-start', 'left-end', 'right', 'right-start', 'right-end']);
},
default: 'bottom-start'
},
transfer: {
type: Boolean,
default () {
return !this.$IVIEW || this.$IVIEW.transfer === '' ? false : this.$IVIEW.transfer;
}
},
name: {
type: String
},
elementId: {
type: String
},
steps: {
type: Array,
default: () => []
},
value: {
type: [Date, String, Array]
},
options: {
type: Object,
default: () => ({})
},
separator: {
type: String,
default: ' - '
}
},
data(){
const isRange = this.type.includes('range');
const emptyArray = isRange ? [null, null] : [null];
const initialValue = isEmptyArray((isRange ? this.value : [this.value]) || []) ? emptyArray : this.parseDate(this.value);
const focusedTime = initialValue.map(extractTime);
return {
prefixCls: prefixCls,
showClose: false,
visible: false,
internalValue: initialValue,
disableClickOutSide: false, // fixed when click a date,trigger clickoutside to close picker
disableCloseUnderTransfer: false, // transfer 模式下点击Drop也会触发关闭,
selectionMode: this.onSelectionModeChange(this.type),
forceInputRerender: 1,
isFocused: false,
focusedDate: initialValue[0] || this.startDate || new Date(),
focusedTime: {
column: 0, // which column inside the picker
picker: 0, // which picker
time: focusedTime, // the values array into [hh, mm, ss],
active: false
},
internalFocus: false,
};
},
computed: {
wrapperClasses(){
return [prefixCls, {
[prefixCls + '-focused']: this.isFocused
}];
},
publicVModelValue(){
if (this.multiple){
return this.internalValue.slice();
} else {
const isRange = this.type.includes('range');
let val = this.internalValue.map(date => date instanceof Date ? new Date(date) : (date || ''));
if (this.type.match(/^time/)) val = val.map(this.formatDate);
return (isRange || this.multiple) ? val : val[0];
}
},
publicStringValue(){
const {formatDate, publicVModelValue, type} = this;
if (type.match(/^time/)) return publicVModelValue;
if (this.multiple) return formatDate(publicVModelValue);
return Array.isArray(publicVModelValue) ? publicVModelValue.map(formatDate) : formatDate(publicVModelValue);
},
opened () {
return this.open === null ? this.visible : this.open;
},
transition () {
const bottomPlaced = this.placement.match(/^bottom/);
return bottomPlaced ? 'slide-up' : 'slide-down';
},
visualValue() {
return this.formatDate(this.internalValue);
},
isConfirm(){
return this.confirm || this.type === 'datetime' || this.type === 'datetimerange' || this.multiple;
},
// 3.4.0, global setting customArrow 有值时arrow 赋值空
arrowType () {
let type = '';
if (this.type === 'time' || this.type === 'timerange') {
type = 'ios-time-outline';
if (this.$IVIEW) {
if (this.$IVIEW.timePicker.customIcon) {
type = '';
} else if (this.$IVIEW.timePicker.icon) {
type = this.$IVIEW.timePicker.icon;
}
}
} else {
type = 'ios-calendar-outline';
if (this.$IVIEW) {
if (this.$IVIEW.datePicker.customIcon) {
type = '';
} else if (this.$IVIEW.datePicker.icon) {
type = this.$IVIEW.datePicker.icon;
}
}
}
if (this.showClose) type = 'ios-close-circle';
return type;
},
// 3.4.0, global setting
customArrowType () {
let type = '';
if (!this.showClose) {
if (this.type === 'time' || this.type === 'timerange') {
if (this.$IVIEW) {
if (this.$IVIEW.timePicker.customIcon) {
type = this.$IVIEW.timePicker.customIcon;
}
}
} else {
if (this.$IVIEW) {
if (this.$IVIEW.datePicker.customIcon) {
type = this.$IVIEW.datePicker.customIcon;
}
}
}
}
return type;
},
// 3.4.0, global setting
arrowSize () {
let size = '';
if (!this.showClose) {
if (this.type === 'time' || this.type === 'timerange') {
if (this.$IVIEW) {
if (this.$IVIEW.timePicker.iconSize) {
size = this.$IVIEW.timePicker.iconSize;
}
}
} else {
if (this.$IVIEW) {
if (this.$IVIEW.datePicker.iconSize) {
size = this.$IVIEW.datePicker.iconSize;
}
}
}
}
return size;
}
},
methods: {
onSelectionModeChange(type){
if (type.match(/^date/)) type = 'date';
this.selectionMode = oneOf(type, ['year', 'month', 'date', 'time']) && type;
return this.selectionMode;
},
// 开启 transfer 时,点击 Drop 即会关闭,这里不让其关闭
handleTransferClick () {
if (this.transfer) this.disableCloseUnderTransfer = true;
},
handleClose (e) {
if (this.disableCloseUnderTransfer) {
this.disableCloseUnderTransfer = false;
return false;
}
if (e && e.type === 'mousedown' && this.visible) {
e.preventDefault();
e.stopPropagation();
return;
}
if (this.visible) {
const pickerPanel = this.$refs.pickerPanel && this.$refs.pickerPanel.$el;
if (e && pickerPanel && pickerPanel.contains(e.target)) return; // its a click inside own component, lets ignore it.
this.visible = false;
e && e.preventDefault();
e && e.stopPropagation();
this.$emit('on-clickoutside', e);
return;
}
this.isFocused = false;
this.disableClickOutSide = false;
},
handleFocus (e) {
if (this.readonly) return;
this.isFocused = true;
if (e && e.type === 'focus') return; // just focus, don't open yet
if(!this.disabled){
this.visible = true;
}
},
handleBlur (e) {
if (this.internalFocus){
this.internalFocus = false;
return;
}
if (this.visible) {
e.preventDefault();
return;
}
this.isFocused = false;
this.onSelectionModeChange(this.type);
this.internalValue = this.internalValue.slice(); // trigger panel watchers to reset views
this.reset();
this.$refs.pickerPanel.onToggleVisibility(false);
},
handleKeydown(e){
const keyCode = e.keyCode;
// handle "tab" key
if (keyCode === 9){
if (this.visible){
e.stopPropagation();
e.preventDefault();
if (this.isConfirm){
const selector = `.${pickerPrefixCls}-confirm > *`;
const tabbable = this.$refs.drop.$el.querySelectorAll(selector);
this.internalFocus = true;
const element = [...tabbable][e.shiftKey ? 'pop' : 'shift']();
element.focus();
} else {
this.handleClose();
}
} else {
this.focused = false;
}
}
// open the panel
const arrows = [37, 38, 39, 40];
if (!this.visible && arrows.includes(keyCode)){
this.visible = true;
return;
}
// close on "esc" key
if (keyCode === 27){
if (this.visible) {
e.stopPropagation();
this.handleClose();
}
}
// select date, "Enter" key
if (keyCode === 13){
const timePickers = findComponentsDownward(this, 'TimeSpinner');
if (timePickers.length > 0){
const columnsPerPicker = timePickers[0].showSeconds ? 3 : 2;
const pickerIndex = Math.floor(this.focusedTime.column / columnsPerPicker);
const value = this.focusedTime.time[pickerIndex];
timePickers[pickerIndex].chooseValue(value);
return;
}
if (this.type.match(/range/)){
this.$refs.pickerPanel.handleRangePick(this.focusedDate, 'date');
} else {
const panels = findComponentsDownward(this, 'PanelTable');
const compareDate = (d) => {
const sliceIndex = ['year', 'month', 'date'].indexOf((this.type)) + 1;
return [d.getFullYear(), d.getMonth(), d.getDate()].slice(0, sliceIndex).join('-');
};
const dateIsValid = panels.find(({cells}) => {
return cells.find(({date, disabled}) => compareDate(date) === compareDate(this.focusedDate) && !disabled);
});
if (dateIsValid) this.onPick(this.focusedDate, false, 'date');
}
}
if (!arrows.includes(keyCode)) return; // ignore rest of keys
// navigate times and dates
if (this.focusedTime.active) e.preventDefault(); // to prevent cursor from moving
this.navigateDatePanel(keyValueMapper[keyCode], e.shiftKey);
},
reset(){
this.$refs.pickerPanel.reset && this.$refs.pickerPanel.reset();
},
navigateTimePanel(direction){
this.focusedTime.active = true;
const horizontal = direction.match(/left|right/);
const vertical = direction.match(/up|down/);
const timePickers = findComponentsDownward(this, 'TimeSpinner');
const maxNrOfColumns = (timePickers[0].showSeconds ? 3 : 2) * timePickers.length;
const column = (currentColumn => {
const incremented = currentColumn + (horizontal ? (direction === 'left' ? -1 : 1) : 0);
return (incremented + maxNrOfColumns) % maxNrOfColumns;
})(this.focusedTime.column);
const columnsPerPicker = maxNrOfColumns / timePickers.length;
const pickerIndex = Math.floor(column / columnsPerPicker);
const col = column % columnsPerPicker;
if (horizontal){
const time = this.internalValue.map(extractTime);
this.focusedTime = {
...this.focusedTime,
column: column,
time: time
};
timePickers.forEach((instance, i) => {
if (i === pickerIndex) instance.updateFocusedTime(col, time[pickerIndex]);
else instance.updateFocusedTime(-1, instance.focusedTime);
});
}
if (vertical){
const increment = direction === 'up' ? 1 : -1;
const timeParts = ['hours', 'minutes', 'seconds'];
const pickerPossibleValues = timePickers[pickerIndex][`${timeParts[col]}List`];
const nextIndex = pickerPossibleValues.findIndex(({text}) => this.focusedTime.time[pickerIndex][col] === text) + increment;
const nextValue = pickerPossibleValues[nextIndex % pickerPossibleValues.length].text;
const times = this.focusedTime.time.map((time, i) => {
if (i !== pickerIndex) return time;
time[col] = nextValue;
return time;
});
this.focusedTime = {
...this.focusedTime,
time: times
};
timePickers.forEach((instance, i) => {
if (i === pickerIndex) instance.updateFocusedTime(col, times[i]);
else instance.updateFocusedTime(-1, instance.focusedTime);
});
}
},
navigateDatePanel(direction, shift){
const timePickers = findComponentsDownward(this, 'TimeSpinner');
if (timePickers.length > 0) {
// we are in TimePicker mode
this.navigateTimePanel(direction, shift, timePickers);
return;
}
if (shift){
if (this.type === 'year'){
this.focusedDate = new Date(
this.focusedDate.getFullYear() + mapPossibleValues(direction, 0, 10),
this.focusedDate.getMonth(),
this.focusedDate.getDate()
);
} else {
this.focusedDate = new Date(
this.focusedDate.getFullYear() + mapPossibleValues(direction, 0, 1),
this.focusedDate.getMonth() + mapPossibleValues(direction, 1, 0),
this.focusedDate.getDate()
);
}
const position = direction.match(/left|down/) ? 'prev' : 'next';
const double = direction.match(/up|down/) ? '-double' : '';
// pulse button
const button = this.$refs.drop.$el.querySelector(`.ivu-date-picker-${position}-btn-arrow${double}`);
if (button) pulseElement(button);
return;
}
const initialDate = this.focusedDate || (this.internalValue && this.internalValue[0]) || new Date();
const focusedDate = new Date(initialDate);
if (this.type.match(/^date/)){
const lastOfMonth = getDayCountOfMonth(initialDate.getFullYear(), initialDate.getMonth());
const startDay = initialDate.getDate();
const nextDay = focusedDate.getDate() + mapPossibleValues(direction, 1, 7);
if (nextDay < 1) {
if (direction.match(/left|right/)) {
focusedDate.setMonth(focusedDate.getMonth() + 1);
focusedDate.setDate(nextDay);
} else {
focusedDate.setDate(startDay + Math.floor((lastOfMonth - startDay) / 7) * 7);
}
} else if (nextDay > lastOfMonth){
if (direction.match(/left|right/)) {
focusedDate.setMonth(focusedDate.getMonth() - 1);
focusedDate.setDate(nextDay);
} else {
focusedDate.setDate(startDay % 7);
}
} else {
focusedDate.setDate(nextDay);
}
}
if (this.type.match(/^month/)) {
focusedDate.setMonth(focusedDate.getMonth() + mapPossibleValues(direction, 1, 3));
}
if (this.type.match(/^year/)) {
focusedDate.setFullYear(focusedDate.getFullYear() + mapPossibleValues(direction, 1, 3));
}
this.focusedDate = focusedDate;
},
handleInputChange (event) {
const isArrayValue = this.type.includes('range') || this.multiple;
const oldValue = this.visualValue;
const newValue = event.target.value;
const newDate = this.parseDate(newValue);
const disabledDateFn =
this.options &&
typeof this.options.disabledDate === 'function' &&
this.options.disabledDate;
const valueToTest = isArrayValue ? newDate : newDate[0];
const isDisabled = disabledDateFn && disabledDateFn(valueToTest);
const isValidDate = newDate.reduce((valid, date) => valid && date instanceof Date, true);
if (newValue !== oldValue && !isDisabled && isValidDate) {
this.emitChange(this.type);
this.internalValue = newDate;
} else {
this.forceInputRerender++;
}
},
handleInputMouseenter () {
if (this.readonly || this.disabled) return;
if (this.visualValue && this.clearable) {
this.showClose = true;
}
},
handleInputMouseleave () {
this.showClose = false;
},
handleIconClick (e) {
if (this.showClose) {
if (e) e.stopPropagation();
this.handleClear();
} else if (!this.disabled) {
this.handleFocus();
}
},
handleClear () {
this.visible = false;
this.internalValue = this.internalValue.map(() => null);
this.$emit('on-clear');
this.dispatch('FormItem', 'on-form-change', '');
this.emitChange(this.type);
this.reset();
setTimeout(
() => this.onSelectionModeChange(this.type),
500 // delay to improve dropdown close visual effect
);
},
emitChange (type) {
this.$nextTick(() => {
this.$emit('on-change', this.publicStringValue, type);
this.dispatch('FormItem', 'on-form-change', this.publicStringValue);
});
},
parseDate(val) {
const isRange = this.type.includes('range');
const type = this.type;
const parser = (
TYPE_VALUE_RESOLVER_MAP[type] ||
TYPE_VALUE_RESOLVER_MAP['default']
).parser;
const format = this.format || DEFAULT_FORMATS[type];
const multipleParser = TYPE_VALUE_RESOLVER_MAP['multiple'].parser;
if (val && type === 'time' && !(val instanceof Date)) {
val = parser(val, format, this.separator);
} else if (this.multiple && val) {
val = multipleParser(val, format, this.separator);
} else if (isRange) {
if (!val){
val = [null, null];
} else {
if (typeof val === 'string') {
val = parser(val, format, this.separator);
} else if (type === 'timerange') {
val = parser(val, format, this.separator).map(v => v || '');
} else {
const [start, end] = val;
if (start instanceof Date && end instanceof Date){
val = val.map(date => new Date(date));
} else if (typeof start === 'string' && typeof end === 'string'){
val = parser(val.join(this.separator), format, this.separator);
} else if (!start || !end){
val = [null, null];
}
}
}
} else if (typeof val === 'string' && type.indexOf('time') !== 0){
val = parser(val, format) || null;
}
return (isRange || this.multiple) ? (val || []) : [val];
},
formatDate(value){
const format = DEFAULT_FORMATS[this.type];
if (this.multiple) {
const formatter = TYPE_VALUE_RESOLVER_MAP.multiple.formatter;
return formatter(value, this.format || format, this.separator);
} else {
const {formatter} = (
TYPE_VALUE_RESOLVER_MAP[this.type] ||
TYPE_VALUE_RESOLVER_MAP['default']
);
return formatter(value, this.format || format, this.separator);
}
},
onPick(dates, visible = false, type) {
if (this.multiple){
const pickedTimeStamp = dates.getTime();
const indexOfPickedDate = this.internalValue.findIndex(date => date && date.getTime() === pickedTimeStamp);
const allDates = [...this.internalValue, dates].filter(Boolean);
const timeStamps = allDates.map(date => date.getTime()).filter((ts, i, arr) => arr.indexOf(ts) === i && i !== indexOfPickedDate); // filter away duplicates
this.internalValue = timeStamps.map(ts => new Date(ts));
} else {
dates = this.parseDate(dates);
this.internalValue = Array.isArray(dates) ? dates : [dates];
}
if (this.internalValue[0]) this.focusedDate = this.internalValue[0];
this.focusedTime = {
...this.focusedTime,
time: this.internalValue.map(extractTime)
};
if (!this.isConfirm) this.onSelectionModeChange(this.type); // reset the selectionMode
if (!this.isConfirm) this.visible = visible;
this.emitChange(type);
},
onPickSuccess(){
this.visible = false;
this.$emit('on-ok');
this.focus();
this.reset();
},
focus() {
this.$refs.input && this.$refs.input.focus();
},
updatePopper () {
this.$refs.drop.update();
}
},
watch: {
visible (state) {
if (state === false){
this.$refs.drop.destroy();
}
this.$refs.drop.update();
this.$emit('on-open-change', state);
},
value(val) {
this.internalValue = this.parseDate(val);
},
open (val) {
this.visible = val === true;
},
type(type){
this.onSelectionModeChange(type);
},
publicVModelValue(now, before){
const newValue = JSON.stringify(now);
const oldValue = JSON.stringify(before);
const shouldEmitInput = newValue !== oldValue || typeof now !== typeof before;
if (shouldEmitInput) this.$emit('input', now); // to update v-model
},
},
mounted () {
const initialValue = this.value;
const parsedValue = this.publicVModelValue;
if (typeof initialValue !== typeof parsedValue || JSON.stringify(initialValue) !== JSON.stringify(parsedValue)){
this.$emit('input', this.publicVModelValue); // to update v-model
}
if (this.open !== null) this.visible = this.open;
// to handle focus from confirm buttons
this.$on('focus-input', () => this.focus());
this.$on('update-popper', () => this.updatePopper());
}
};
</script>