@angular/material
Version:
Angular Material
48 lines • 7.07 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { Injectable, InjectionToken } from '@angular/core';
import { DateAdapter } from '@angular/material/core';
import { DateRange } from './date-selection-model';
/** Injection token used to customize the date range selection behavior. */
export const MAT_DATE_RANGE_SELECTION_STRATEGY = new InjectionToken('MAT_DATE_RANGE_SELECTION_STRATEGY');
/** Provides the default date range selection behavior. */
export class DefaultMatCalendarRangeStrategy {
constructor(_dateAdapter) {
this._dateAdapter = _dateAdapter;
}
selectionFinished(date, currentRange) {
let { start, end } = currentRange;
if (start == null) {
start = date;
}
else if (end == null && date && this._dateAdapter.compareDate(date, start) >= 0) {
end = date;
}
else {
start = date;
end = null;
}
return new DateRange(start, end);
}
createPreview(activeDate, currentRange) {
let start = null;
let end = null;
if (currentRange.start && !currentRange.end && activeDate) {
start = currentRange.start;
end = activeDate;
}
return new DateRange(start, end);
}
}
DefaultMatCalendarRangeStrategy.decorators = [
{ type: Injectable }
];
DefaultMatCalendarRangeStrategy.ctorParameters = () => [
{ type: DateAdapter }
];
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5nZTxEPihzdGFydCwgZW5kKTtcbiAgfVxuXG4gIGNyZWF0ZVByZXZpZXcoYWN0aXZlRGF0ZTogRCB8IG51bGwsIGN1cnJlbnRSYW5nZTogRGF0ZVJhbmdlPEQ+KSB7XG4gICAgbGV0IHN0YXJ0OiBEIHwgbnVsbCA9IG51bGw7XG4gICAgbGV0IGVuZDogRCB8IG51bGwgPSBudWxsO1xuXG4gICAgaWYgKGN1cnJlbnRSYW5nZS5zdGFydCAmJiAhY3VycmVudFJhbmdlLmVuZCAmJiBhY3RpdmVEYXRlKSB7XG4gICAgICBzdGFydCA9IGN1cnJlbnRSYW5nZS5zdGFydDtcbiAgICAgIGVuZCA9IGFjdGl2ZURhdGU7XG4gICAgfVxuXG4gICAgcmV0dXJuIG5ldyBEYXRlUmFuZ2U8RD4oc3RhcnQsIGVuZCk7XG4gIH1cbn1cbiJdfQ==