mirror of
https://github.com/richard-loafle/fuse-angular.git
synced 2025-04-30 20:13:11 +00:00
683 lines
21 KiB
TypeScript
683 lines
21 KiB
TypeScript
import { ChangeDetectorRef, Component, ElementRef, EventEmitter, forwardRef, HostBinding, Input, OnDestroy, OnInit, Output, Renderer2, TemplateRef, ViewChild, ViewContainerRef, ViewEncapsulation } from '@angular/core';
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import { ControlValueAccessor, FormControl, NG_VALUE_ACCESSOR, Validators } from '@angular/forms';
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import { Overlay } from '@angular/cdk/overlay';
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import { TemplatePortal } from '@angular/cdk/portal';
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import { MatCalendarCellCssClasses, MatMonthView } from '@angular/material/datepicker';
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import { Subject } from 'rxjs';
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import * as moment from 'moment';
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import { Moment } from 'moment';
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@Component({
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selector : 'fuse-date-range',
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templateUrl : './date-range.component.html',
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styleUrls : ['./date-range.component.scss'],
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encapsulation: ViewEncapsulation.None,
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exportAs : 'fuseDateRange',
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providers : [
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{
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provide : NG_VALUE_ACCESSOR,
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useExisting: forwardRef(() => FuseDateRangeComponent),
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multi : true
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}
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]
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})
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export class FuseDateRangeComponent implements ControlValueAccessor, OnInit, OnDestroy
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{
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@Output() readonly rangeChanged: EventEmitter<{ start: string; end: string }> = new EventEmitter<{ start: string; end: string }>();
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@ViewChild('matMonthView1') private _matMonthView1: MatMonthView<any>;
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@ViewChild('matMonthView2') private _matMonthView2: MatMonthView<any>;
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@ViewChild('pickerPanelOrigin', {read: ElementRef}) private _pickerPanelOrigin: ElementRef;
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@ViewChild('pickerPanel') private _pickerPanel: TemplateRef<any>;
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@HostBinding('class.fuse-date-range') private _defaultClassNames = true;
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activeDates: { month1: Moment | null; month2: Moment | null } = {
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month1: null,
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month2: null
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};
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setWhichDate: 'start' | 'end' = 'start';
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startTimeFormControl: FormControl;
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endTimeFormControl: FormControl;
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private _dateFormat: string;
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private _onChange: (value: any) => void;
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private _onTouched: (value: any) => void;
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private _programmaticChange!: boolean;
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private _range: { start: Moment | null; end: Moment | null } = {
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start: null,
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end : null
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};
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private _timeFormat: string;
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private _timeRange: boolean;
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private readonly _timeRegExp: RegExp = new RegExp('^(0[0-9]|1[0-9]|2[0-4]|[0-9]):([0-5][0-9])(A|(?:AM)|P|(?:PM))?$', 'i');
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private _unsubscribeAll: Subject<any> = new Subject<any>();
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/**
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* Constructor
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*/
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constructor(
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private _changeDetectorRef: ChangeDetectorRef,
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private _elementRef: ElementRef,
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private _overlay: Overlay,
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private _renderer2: Renderer2,
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private _viewContainerRef: ViewContainerRef
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)
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{
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this._onChange = (): void => {
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};
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this._onTouched = (): void => {
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};
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this.dateFormat = 'DD/MM/YYYY';
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this.timeFormat = '12';
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// Initialize the component
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this._init();
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Accessors
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// -----------------------------------------------------------------------------------------------------
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/**
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* Setter & getter for dateFormat input
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*
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* @param value
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*/
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@Input()
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set dateFormat(value: string)
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{
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// Return if the values are the same
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if ( this._dateFormat === value )
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{
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return;
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}
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// Store the value
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this._dateFormat = value;
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}
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get dateFormat(): string
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{
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return this._dateFormat;
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}
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/**
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* Setter & getter for timeFormat input
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*
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* @param value
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*/
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@Input()
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set timeFormat(value: string)
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{
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// Return if the values are the same
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if ( this._timeFormat === value )
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{
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return;
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}
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// Set format based on the time format input
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this._timeFormat = value === '12' ? 'hh:mmA' : 'HH:mm';
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}
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get timeFormat(): string
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{
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return this._timeFormat;
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}
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/**
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* Setter & getter for timeRange input
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*
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* @param value
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*/
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@Input()
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set timeRange(value: boolean)
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{
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// Return if the values are the same
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if ( this._timeRange === value )
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{
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return;
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}
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// Store the value
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this._timeRange = value;
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// If the time range turned off...
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if ( !value )
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{
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this.range = {
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start: this._range.start.clone().startOf('day'),
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end : this._range.end.clone().endOf('day')
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};
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}
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}
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get timeRange(): boolean
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{
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return this._timeRange;
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}
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/**
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* Setter & getter for range input
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*
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* @param value
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*/
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@Input()
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set range(value)
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{
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if ( !value )
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{
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return;
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}
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// Check if the value is an object and has 'start' and 'end' values
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if ( !value.start || !value.end )
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{
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console.error('Range input must have "start" and "end" properties!');
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return;
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}
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// Check if we are setting an individual date or both of them
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const whichDate = value.whichDate || null;
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// Get the start and end dates as moment
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const start = moment(value.start);
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const end = moment(value.end);
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// If we are only setting the start date...
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if ( whichDate === 'start' )
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{
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// Set the start date
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this._range.start = start.clone();
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// If the selected start date is after the end date...
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if ( this._range.start.isAfter(this._range.end) )
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{
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// Set the end date to the start date but keep the end date's time
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const endDate = start.clone().hours(this._range.end.hours()).minutes(this._range.end.minutes()).seconds(this._range.end.seconds());
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// Test this new end date to see if it's ahead of the start date
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if ( this._range.start.isBefore(endDate) )
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{
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// If it's, set the new end date
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this._range.end = endDate;
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}
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else
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{
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// Otherwise, set the end date same as the start date
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this._range.end = start.clone();
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}
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}
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}
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// If we are only setting the end date...
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if ( whichDate === 'end' )
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{
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// Set the end date
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this._range.end = end.clone();
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// If the selected end date is before the start date...
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if ( this._range.start.isAfter(this._range.end) )
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{
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// Set the start date to the end date but keep the start date's time
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const startDate = end.clone().hours(this._range.start.hours()).minutes(this._range.start.minutes()).seconds(this._range.start.seconds());
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// Test this new end date to see if it's ahead of the start date
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if ( this._range.end.isAfter(startDate) )
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{
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// If it's, set the new start date
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this._range.start = startDate;
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}
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else
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{
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// Otherwise, set the start date same as the end date
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this._range.start = end.clone();
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}
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}
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}
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// If we are setting both dates...
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if ( !whichDate )
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{
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// Set the start date
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this._range.start = start.clone();
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// If the start date is before the end date, set the end date as normal.
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// If the start date is after the end date, set the end date same as the start date.
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this._range.end = start.isBefore(end) ? end.clone() : start.clone();
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}
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// Prepare another range object that holds the ISO formatted range dates
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const range = {
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start: this._range.start.clone().toISOString(),
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end : this._range.end.clone().toISOString()
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};
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// Emit the range changed event with the range
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this.rangeChanged.emit(range);
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// Update the model with the range if the change was not a programmatic change
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// Because programmatic changes trigger writeValue which triggers onChange and onTouched
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// internally causing them to trigger twice which breaks the form's pristine and touched
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// statuses.
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if ( !this._programmaticChange )
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{
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this._onTouched(range);
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this._onChange(range);
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}
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// Set the active dates
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this.activeDates = {
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month1: this._range.start.clone(),
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month2: this._range.start.clone().add(1, 'month')
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};
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// Set the time form controls
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this.startTimeFormControl.setValue(this._range.start.clone().format(this._timeFormat).toString());
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this.endTimeFormControl.setValue(this._range.end.clone().format(this._timeFormat).toString());
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// Run ngAfterContentInit on month views to trigger
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// re-render on month views if they are available
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if ( this._matMonthView1 && this._matMonthView2 )
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{
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this._matMonthView1.ngAfterContentInit();
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this._matMonthView2.ngAfterContentInit();
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}
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// Reset the programmatic change status
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this._programmaticChange = false;
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}
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get range(): any
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{
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// Clone the range start and end
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const start = this._range.start.clone();
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const end = this._range.end.clone();
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// Build and return the range object
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return {
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startDate: start.clone().format(this.dateFormat),
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startTime: this.timeRange ? start.clone().format(this.timeFormat) : null,
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endDate : end.clone().format(this.dateFormat),
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endTime : this.timeRange ? end.clone().format(this.timeFormat) : null
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};
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Control Value Accessor
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// -----------------------------------------------------------------------------------------------------
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/**
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* Update the form model on change
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*
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* @param fn
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*/
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registerOnChange(fn: any): void
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{
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this._onChange = fn;
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}
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/**
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* Update the form model on blur
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*
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* @param fn
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*/
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registerOnTouched(fn: any): void
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{
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this._onTouched = fn;
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}
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/**
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* Write to view from model when the form model changes programmatically
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*
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* @param range
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*/
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writeValue(range: { start: string; end: string }): void
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{
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// Set this change as a programmatic one
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this._programmaticChange = true;
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// Set the range
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this.range = range;
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Lifecycle hooks
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// -----------------------------------------------------------------------------------------------------
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/**
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* On init
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*/
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ngOnInit(): void
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{
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}
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/**
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* On destroy
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*/
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ngOnDestroy(): void
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{
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// Unsubscribe from all subscriptions
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this._unsubscribeAll.next();
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this._unsubscribeAll.complete();
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// @ TODO: Workaround until "angular/issues/20007" resolved
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this.writeValue = (): void => {
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};
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}
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// -----------------------------------------------------------------------------------------------------
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// @ Public methods
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// -----------------------------------------------------------------------------------------------------
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/**
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* Open the picker panel
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*/
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openPickerPanel(): void
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{
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// Create the overlay
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const overlayRef = this._overlay.create({
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panelClass : 'fuse-date-range-panel',
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backdropClass : '',
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hasBackdrop : true,
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scrollStrategy : this._overlay.scrollStrategies.reposition(),
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positionStrategy: this._overlay.position()
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.flexibleConnectedTo(this._pickerPanelOrigin)
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.withPositions([
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{
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originX : 'start',
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originY : 'bottom',
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overlayX: 'start',
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overlayY: 'top',
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offsetY : 8
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},
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{
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originX : 'start',
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originY : 'top',
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overlayX: 'start',
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overlayY: 'bottom',
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offsetY : -8
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}
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])
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});
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// Create a portal from the template
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const templatePortal = new TemplatePortal(this._pickerPanel, this._viewContainerRef);
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// On backdrop click
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overlayRef.backdropClick().subscribe(() => {
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// If template portal exists and attached...
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if ( templatePortal && templatePortal.isAttached )
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{
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// Detach it
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templatePortal.detach();
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}
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// If overlay exists and attached...
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if ( overlayRef && overlayRef.hasAttached() )
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{
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// Detach it
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overlayRef.detach();
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overlayRef.dispose();
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}
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});
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// Attach the portal to the overlay
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overlayRef.attach(templatePortal);
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}
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/**
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* Get month label
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*
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* @param month
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*/
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getMonthLabel(month: number): string
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{
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if ( month === 1 )
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{
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return this.activeDates.month1.clone().format('MMMM Y');
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}
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return this.activeDates.month2.clone().format('MMMM Y');
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}
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/**
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* Date class function to add/remove class names to calendar days
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*/
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dateClass(): any
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{
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return (date: Moment): MatCalendarCellCssClasses => {
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// If the date is both start and end date...
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if ( date.isSame(this._range.start, 'day') && date.isSame(this._range.end, 'day') )
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{
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return ['fuse-date-range', 'fuse-date-range-start', 'fuse-date-range-end'];
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}
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// If the date is the start date...
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if ( date.isSame(this._range.start, 'day') )
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{
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return ['fuse-date-range', 'fuse-date-range-start'];
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}
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// If the date is the end date...
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if ( date.isSame(this._range.end, 'day') )
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{
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return ['fuse-date-range', 'fuse-date-range-end'];
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}
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// If the date is in between start and end dates...
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if ( date.isBetween(this._range.start, this._range.end, 'day') )
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{
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return ['fuse-date-range', 'fuse-date-range-mid'];
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}
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return undefined;
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};
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}
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/**
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* Date filter to enable/disable calendar days
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*/
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dateFilter(): any
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{
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// If we are selecting the end date, disable all the dates that comes before the start date
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return (date: Moment): boolean => !(this.setWhichDate === 'end' && date.isBefore(this._range.start, 'day'));
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}
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/**
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* On selected date change
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*
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* @param date
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*/
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onSelectedDateChange(date: Moment): void
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{
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// Create a new range object
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const newRange = {
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start : this._range.start.clone().toISOString(),
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end : this._range.end.clone().toISOString(),
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whichDate: null
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};
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// Replace either the start or the end date with the new one
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// depending on which date we are setting
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if ( this.setWhichDate === 'start' )
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{
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newRange.start = moment(newRange.start).year(date.year()).month(date.month()).date(date.date()).toISOString();
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}
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else
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{
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newRange.end = moment(newRange.end).year(date.year()).month(date.month()).date(date.date()).toISOString();
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}
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// Append the which date to the new range object
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newRange.whichDate = this.setWhichDate;
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// Switch which date to set on the next run
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this.setWhichDate = this.setWhichDate === 'start' ? 'end' : 'start';
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// Set the range
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this.range = newRange;
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}
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/**
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* Go to previous month on both views
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*/
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prev(): void
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{
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this.activeDates.month1 = moment(this.activeDates.month1).subtract(1, 'month');
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this.activeDates.month2 = moment(this.activeDates.month2).subtract(1, 'month');
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}
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/**
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* Go to next month on both views
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*/
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next(): void
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{
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this.activeDates.month1 = moment(this.activeDates.month1).add(1, 'month');
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this.activeDates.month2 = moment(this.activeDates.month2).add(1, 'month');
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}
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/**
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* Update the start time
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*
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* @param event
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*/
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updateStartTime(event): void
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{
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// Parse the time
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const parsedTime = this._parseTime(event.target.value);
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// Go back to the previous value if the form control is not valid
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if ( this.startTimeFormControl.invalid )
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{
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// Override the time
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const time = this._range.start.clone().format(this._timeFormat);
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// Set the time
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this.startTimeFormControl.setValue(time);
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// Do not update the range
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return;
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}
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// Append the new time to the start date
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const startDate = this._range.start.clone().hours(parsedTime.hours()).minutes(parsedTime.minutes());
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// If the new start date is after the current end date,
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// use the end date's time and set the start date again
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if ( startDate.isAfter(this._range.end) )
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{
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const endDateHours = this._range.end.hours();
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const endDateMinutes = this._range.end.minutes();
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// Set the start date
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startDate.hours(endDateHours).minutes(endDateMinutes);
|
|
}
|
|
|
|
// If everything is okay, set the new date
|
|
this.range = {
|
|
start : startDate.toISOString(),
|
|
end : this._range.end.clone().toISOString(),
|
|
whichDate: 'start'
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Update the end time
|
|
*
|
|
* @param event
|
|
*/
|
|
updateEndTime(event): void
|
|
{
|
|
// Parse the time
|
|
const parsedTime = this._parseTime(event.target.value);
|
|
|
|
// Go back to the previous value if the form control is not valid
|
|
if ( this.endTimeFormControl.invalid )
|
|
{
|
|
// Override the time
|
|
const time = this._range.end.clone().format(this._timeFormat);
|
|
|
|
// Set the time
|
|
this.endTimeFormControl.setValue(time);
|
|
|
|
// Do not update the range
|
|
return;
|
|
}
|
|
|
|
// Append the new time to the end date
|
|
const endDate = this._range.end.clone().hours(parsedTime.hours()).minutes(parsedTime.minutes());
|
|
|
|
// If the new end date is before the current start date,
|
|
// use the start date's time and set the end date again
|
|
if ( endDate.isBefore(this._range.start) )
|
|
{
|
|
const startDateHours = this._range.start.hours();
|
|
const startDateMinutes = this._range.start.minutes();
|
|
|
|
// Set the end date
|
|
endDate.hours(startDateHours).minutes(startDateMinutes);
|
|
}
|
|
|
|
// If everything is okay, set the new date
|
|
this.range = {
|
|
start : this._range.start.clone().toISOString(),
|
|
end : endDate.toISOString(),
|
|
whichDate: 'end'
|
|
};
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------------------------------
|
|
// @ Private methods
|
|
// -----------------------------------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Initialize
|
|
*
|
|
* @private
|
|
*/
|
|
private _init(): void
|
|
{
|
|
// Start and end time form controls
|
|
this.startTimeFormControl = new FormControl('', [Validators.pattern(this._timeRegExp)]);
|
|
this.endTimeFormControl = new FormControl('', [Validators.pattern(this._timeRegExp)]);
|
|
|
|
// Set the default range
|
|
this._programmaticChange = true;
|
|
this.range = {
|
|
start: moment().startOf('day').toISOString(),
|
|
end : moment().add(1, 'day').endOf('day').toISOString()
|
|
};
|
|
|
|
// Set the default time range
|
|
this._programmaticChange = true;
|
|
this.timeRange = true;
|
|
}
|
|
|
|
/**
|
|
* Parse the time from the inputs
|
|
*
|
|
* @param value
|
|
* @private
|
|
*/
|
|
private _parseTime(value: string): Moment
|
|
{
|
|
// Parse the time using the time regexp
|
|
const timeArr = value.split(this._timeRegExp).filter(part => part !== '');
|
|
|
|
// Get the meridiem
|
|
const meridiem = timeArr[2] || null;
|
|
|
|
// If meridiem exists...
|
|
if ( meridiem )
|
|
{
|
|
// Create a moment using 12-hours format and return it
|
|
return moment(value, 'hh:mmA').seconds(0);
|
|
}
|
|
|
|
// If meridiem doesn't exist, create a moment using 24-hours format and return in
|
|
return moment(value, 'HH:mm').seconds(0);
|
|
}
|
|
}
|