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| import Component from '@ember/component';
import { computed } from '@ember/object';
import { isNone, isPresent, typeOf } from '@ember/utils';
import layout from '../templates/components/polaris-date-picker';
import {
monthsArray,
isDateAfter,
isDateBefore,
getNextDisplayYear,
getNextDisplayMonth,
getPreviousDisplayYear,
getPreviousDisplayMonth
} from '../utils/dates';
export default Component.extend({
classNames: ['Polaris-DatePicker'],
layout,
/**
* The selected date or range of dates
*
* @property selected
* @public
* @type {Date | Object}
* @default null
*/
selected: null,
/**
* The month to show
*
* @property month
* @public
* @type {Number}
* @default null
*/
month: null,
/**
* The year to show
*
* @property year
* @public
* @type {Number}
* @default null
*/
year: null,
/**
* Disable selecting dates before this date
*
* @property disableDatesBefore
* @public
* @type {Date}
* @default null
*/
disableDatesBefore: null,
/**
* Disable selecting dates after this
*
* @property disableDatesAfter
* @public
* @type {Date}
* @default null
*/
disableDatesAfter: null,
/**
* The selection can span multiple months
*
* @property multiMonth
* @public
* @type {Boolean}
* @default false
*/
multiMonth: false,
/**
* Callback when date is selected
*
* @property title
* @public
* @type {Function}
* @default noop
*/
onChange(/* dateRange */) {},
/**
* Callback when month is changed
*
* @property onMonthChange
* @public
* @type {Function}
* @default noop
*/
onMonthChange(/* month, year */) {},
hoverDate: null,
focusDate: null,
allowRange: computed('selected', function() {
let selected = this.get('selected');
return selected !== null && !(selected instanceof Date);
}).readOnly(),
showNextYear: computed('month', 'year', function() {
let { month, year } = this.getProperties('month', 'year');
return getNextDisplayYear(month, year);
}).readOnly(),
showNextMonth: computed('month', function() {
return getNextDisplayMonth(this.get('month'));
}).readOnly(),
showNextToNextYear: computed('showNextMonth', 'showNextYear', function() {
let { showNextMonth, showNextYear } = this.getProperties('showNextMonth', 'showNextYear');
return getNextDisplayYear(showNextMonth, showNextYear);
}).readOnly(),
showNextToNextMonth: computed('showNextMonth', function() {
return getNextDisplayMonth(this.get('showNextMonth'));
}).readOnly(),
showPreviousYear: computed('month', 'year', function() {
let { month, year } = this.getProperties('month', 'year');
return getPreviousDisplayYear(month, year);
}).readOnly(),
showPreviousMonth: computed('month', function() {
return getPreviousDisplayMonth(this.get('month'));
}).readOnly(),
previousMonthName: computed('showPreviousMonth', function() {
return monthsArray[ this.get('showPreviousMonth') ];
}).readOnly(),
nextMonth: computed('multiMonth', 'showNextToNextMonth', 'showNextMonth', function() {
let {
multiMonth,
showNextToNextMonth,
showNextMonth
} = this.getProperties('multiMonth', 'showNextToNextMonth', 'showNextMonth');
return multiMonth ? monthsArray[showNextToNextMonth] : monthsArray[showNextMonth];
}).readOnly(),
nextYear: computed('multiMonth', 'showNextToNextYear', 'showNextYear', function() {
let {
multiMonth,
showNextToNextYear,
showNextYear
} = this.getProperties('multiMonth', 'showNextToNextYear', 'showNextYear');
return multiMonth ? showNextToNextYear : showNextYear;
}).readOnly(),
range: computed('selected', function() {
let selected = this.get('selected');
Iif (isPresent(selected) && (typeOf(selected) === 'date')) {
return { start: selected, end: selected }
}
return selected;
}).readOnly(),
previousMonthLabel: computed('previousMonthName', 'showPreviousYear', function() {
return `Show previous month, ${ this.get('previousMonthName') } ${ this.get('showPreviousYear') }`;
}).readOnly(),
nextMonthLabel: computed('nextMonth', 'nextYear', function() {
return `Show next month, ${ this.get('nextMonth') } ${ this.get('nextYear') }`;
}).readOnly(),
setFocusDateAndHandleMonthChange(date) {
this.get('onMonthChange')(date.getMonth(), date.getFullYear());
this.setProperties({
hoverDate: date,
focusDate: date
});
},
/**
* Events
*/
keyUp({ key }) {
let {
disableDatesBefore,
disableDatesAfter,
focusDate,
range
} = this.getProperties('disableDatesBefore', 'disableDatesAfter', 'focusDate', 'range');
let focusedDate = focusDate || (range && range.start);
if (isNone(focusedDate)) {
return;
}
if (key === 'ArrowUp') {
let previousWeek = new Date(focusedDate);
previousWeek.setDate(focusedDate.getDate() - 7);
if (!(disableDatesBefore && isDateBefore(previousWeek, disableDatesBefore))) {
this.setFocusDateAndHandleMonthChange(previousWeek);
}
}
if (key === 'ArrowDown') {
let nextWeek = new Date(focusedDate);
nextWeek.setDate(focusedDate.getDate() + 7);
if ((disableDatesAfter && isDateAfter(nextWeek, disableDatesAfter))) {
this.setFocusDateAndHandleMonthChange(nextWeek);
}
}
if (key === 'ArrowRight') {
let tomorrow = new Date(focusedDate);
tomorrow.setDate(focusedDate.getDate() + 1);
if (!(disableDatesAfter && isDateAfter(tomorrow, disableDatesAfter))) {
this.setFocusDateAndHandleMonthChange(tomorrow);
}
}
if (key === 'ArrowLeft') {
let yesterday = new Date(focusedDate);
yesterday.setDate(focusedDate.getDate() - 1);
if (!(disableDatesBefore && isDateBefore(yesterday, disableDatesBefore))) {
this.setFocusDateAndHandleMonthChange(yesterday);
}
}
},
keyDown(e) {
let { key } = e;
if (
key === 'ArrowUp' ||
key === 'ArrowDown' ||
key === 'ArrowLeft' ||
key === 'ArrowRight'
) {
e.preventDefault();
e.stopPropagation();
}
},
/**
* Actions
*/
actions: {
handleDateSelection(dateRange) {
let { end: endDate } = dateRange;
this.setProperties({
hoverDate: endDate,
focusDate: new Date(endDate)
});
this.get('onChange')(dateRange);
},
handleMonthChangeClick(month, year) {
this.get('onMonthChange')(month, year);
this.set('focusDate', null);
}
}
});
|