85 lines
3.2 KiB
JavaScript
85 lines
3.2 KiB
JavaScript
/**
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* Copyright (c) HashiCorp, Inc.
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* SPDX-License-Identifier: MPL-2.0
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*/
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import Component from '@glimmer/component';
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import { action } from '@ember/object';
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import { tracked } from '@glimmer/tracking';
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import { ARRAY_OF_MONTHS } from 'core/utils/date-formatters';
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/**
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* @module DateDropdown
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* DateDropdown components are used to display a dropdown of months and years to handle date selection. Future dates are disabled (current month and year are selectable).
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* The component returns an object with selected date info, example: { dateType: 'start', monthIdx: 0, monthName: 'January', year: 2022 }
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*
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* @example
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* ```js
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* <DateDropdown @handleSubmit={{this.actionFromParent}} @name="startTime" @submitText="Save" @handleCancel={{this.onCancel}}/>
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* ```
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* @param {function} handleSubmit - callback function from parent that the date picker triggers on submit
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* @param {function} [handleCancel] - optional callback for cancel action, if exists then buttons appear modal style with a light gray background
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* @param {string} [dateType] - optional argument to give the selected month/year a type
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* @param {string} [submitText] - optional argument to change submit button text
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* @param {function} [validateDate] - parent function to validate date selection, receives date object and returns an error message that's passed to the inline alert
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*/
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export default class DateDropdown extends Component {
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currentDate = new Date();
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currentYear = this.currentDate.getFullYear(); // integer of year
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currentMonthIdx = this.currentDate.getMonth(); // integer of month, 0 indexed
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dropdownMonths = ARRAY_OF_MONTHS.map((m, i) => ({ name: m, index: i }));
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dropdownYears = Array.from({ length: 5 }, (item, i) => this.currentYear - i);
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@tracked maxMonthIdx = 11; // disables months with index greater than this number, initially all months are selectable
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@tracked disabledYear = null; // year as integer if current year should be disabled
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@tracked selectedMonth = null;
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@tracked selectedYear = null;
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@tracked invalidDate = null;
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@action
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selectMonth(month, dropdown) {
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this.selectedMonth = month;
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// disable current year if selected month is later than current month
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this.disabledYear = month.index > this.currentMonthIdx ? this.currentYear : null;
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dropdown.close();
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}
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@action
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selectYear(year, dropdown) {
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this.selectedYear = year;
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// disable months after current month if selected year is current year
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this.maxMonthIdx = year === this.currentYear ? this.currentMonthIdx : 11;
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dropdown.close();
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}
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@action
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handleSubmit() {
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if (this.args.validateDate) {
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this.invalidDate = null;
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this.invalidDate = this.args.validateDate(new Date(this.selectedYear, this.selectedMonth.index));
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if (this.invalidDate) return;
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}
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const { index, name } = this.selectedMonth;
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this.args.handleSubmit({
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monthIdx: index,
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monthName: name,
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year: this.selectedYear,
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dateType: this.args.dateType,
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});
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this.resetDropdown();
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}
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@action
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handleCancel() {
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this.args.handleCancel();
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this.resetDropdown();
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}
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resetDropdown() {
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this.maxMonthIdx = 11;
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this.disabledYear = null;
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this.selectedMonth = null;
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this.selectedYear = null;
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this.invalidDate = null;
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}
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}
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