276 lines
11 KiB
TypeScript
276 lines
11 KiB
TypeScript
import {
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Component, ElementRef,
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EventEmitter, HostListener,
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Input,
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OnChanges,
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OnDestroy,
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OnInit,
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Output,
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SimpleChanges,
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ViewChild
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} from "@angular/core";
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import {AbstractControl, FormArray, FormControl} from "@angular/forms";
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import {HelperFunctions} from "../../utils/HelperFunctions.class";
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import {Observable, of, Subscription} from "rxjs";
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import {MatSelect} from "@angular/material/select";
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import {MatAutocompleteSelectedEvent} from "@angular/material/autocomplete";
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import {map, startWith} from "rxjs/operators";
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import {MatChipInputEvent} from "@angular/material/chips";
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export interface Option {
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icon?: string,
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iconClass?: string,
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value: any,
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label: string
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}
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@Component({
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selector: '[dashboard-input]',
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template: `
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<div *ngIf="label && type != 'checkbox'"
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class="uk-text-bold uk-form-label uk-margin-small-bottom">{{label + (required ? ' *' : '')}}</div>
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<div *ngIf="hint" class="uk-margin-bottom uk-text-small uk-form-hint">{{hint}}</div>
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<div class="uk-grid uk-flex" [ngClass]="'uk-flex-' + flex" [class.uk-grid-small]="gridSmall" uk-grid>
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<ng-content></ng-content>
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<div [class.uk-hidden]="hideControl" class="uk-width-expand uk-position-relative"
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[class.uk-flex-first]="!extraLeft">
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<ng-template [ngIf]="icon && formControl.enabled">
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<span class="uk-text-muted" [ngClass]="iconLeft?('left'):'right'">
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<icon [name]="icon"></icon>
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</span>
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</ng-template>
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<ng-template [ngIf]="formControl.disabled">
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<span class="uk-text-muted left">
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<icon [name]="'lock'"></icon>
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</span>
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</ng-template>
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<ng-template [ngIf]="type === 'text'">
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<div [ngClass]="inputClass"
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[class.uk-form-danger]="formControl.invalid && formControl.touched"
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[attr.uk-tooltip]="formControl.disabled?'title: This field is not editable; pos: bottom-left':''">
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<input class="uk-input uk-text-small"
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[placeholder]="placeholder" [formControl]="formControl">
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</div>
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</ng-template>
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<ng-template [ngIf]="type === 'textarea'">
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<div [ngClass]="inputClass" class="uk-padding-remove-right"
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[class.uk-form-danger]="formControl.invalid && formControl.touched"
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[attr.uk-tooltip]="formControl.disabled?'title: This field is not editable; pos: bottom-left':''">
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<textarea class="uk-textarea uk-text-small"
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[rows]="rows" [placeholder]="placeholder"
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[formControl]="formControl">
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</textarea>
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<div class="tools" [class.focused]="focused">
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<ng-content select="[options]"></ng-content>
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</div>
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</div>
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</ng-template>
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<ng-template [ngIf]="type === 'select'">
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<div [ngClass]="inputClass"
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[attr.uk-tooltip]="formControl.disabled?'title: This field is not editable; pos: bottom-left':null"
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[class.clickable]="formControl.enabled"
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[class.uk-form-danger]="formControl.invalid && formControl.touched" (click)="openSelect()">
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<mat-form-field class="uk-width-1-1">
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<mat-select #select [required]="required" [value]="null"
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(openedChange)="stopPropagation()" [formControl]="formControl"
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[disableOptionCentering]="true">
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<mat-option *ngIf="placeholder" class="uk-hidden" [value]="''">{{placeholder}}</mat-option>
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<mat-option *ngFor="let option of options" [value]="option.value">
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{{option.label}}
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</mat-option>
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</mat-select>
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</mat-form-field>
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</div>
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</ng-template>
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<ng-template [ngIf]="type === 'chips'">
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<div [ngClass]="inputClass"
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[attr.uk-tooltip]="formControl.disabled?'title: This field is not editable; pos: bottom-left':null"
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[class.clickable]="formControl.enabled"
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[class.uk-form-danger]="formControl.invalid && formControl.touched" (click)="openSelect()">
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<mat-form-field class="uk-width-1-1">
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<mat-chip-list #chipList>
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<mat-chip *ngFor="let chip of formAsArray.controls; let i=index" [selectable]="false"
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[removable]="removable" [attr.uk-tooltip]="getLabel(chip.value)">
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<span class="uk-width-expand uk-text-truncate" [class.uk-text-small]="smallChip">{{getLabel(chip.value)}}</span>
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<icon name="remove_circle" class="mat-chip-remove" [ratio]="smallChip?0.8:1" (click)="removed(i)"></icon>
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</mat-chip>
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<div class="uk-width-expand uk-position-relative uk-text-small chip-input">
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<input #searchInput class="uk-width-1-1" [formControl]="searchControl" [matAutocomplete]="auto"
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[matChipInputFor]="chipList"
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[matChipInputAddOnBlur]="addExtraChips && searchControl.value"
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(matChipInputTokenEnd)="add($event)">
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<div *ngIf="placeholder && !searchControl.value" class="placeholder uk-width-1-1"
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(click)="searchInput.focus()">{{placeholder}}</div>
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</div>
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</mat-chip-list>
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<mat-autocomplete #auto="matAutocomplete" (optionSelected)="selected($event)" [class]="panelClass" [panelWidth]="panelWidth">
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<mat-option *ngFor="let option of filteredOptions | async" [value]="option.value">
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{{option.label}}
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</mat-option>
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</mat-autocomplete>
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</mat-form-field>
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</div>
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</ng-template>
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<span *ngIf="formControl.invalid && formControl.errors.error"
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class="uk-text-danger input-message">{{formControl.errors.error}}</span>
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<span *ngIf="warning" class="uk-text-warning input-message">{{warning}}</span>
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<span *ngIf="note" class="input-message">{{note}}</span>
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</div>
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</div>
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<mat-checkbox *ngIf="type === 'checkbox'" [formControl]="formControl">{{label}}</mat-checkbox>
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`,
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styleUrls: ['input.component.css']
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})
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export class InputComponent implements OnInit, OnDestroy, OnChanges {
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/** Basic information */
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@Input('formInput') formControl: AbstractControl;
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@Input('type') type: 'text' | 'textarea' | 'select' | 'checkbox' | 'chips' = 'text';
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@Input('label') label: string;
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@Input('rows') rows: number = 3;
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/** Select | chips available options */
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@Input('options') options: Option[];
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@Input('hint') hint = null;
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@Input('placeholder') placeholder = '';
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@Input() inputClass: string = 'input-box';
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/** Extra element Right or Left of the input */
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@Input() extraLeft: boolean = true;
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@Input() gridSmall: boolean = false;
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@Input() hideControl: boolean = false;
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@Input() flex: 'middle' | 'top' | 'bottom' = 'middle';
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/** Icon Right or Left on the input */
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@Input() icon: string = null;
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@Input() iconLeft: boolean = false;
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/** Custom messages */
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@Input() warning: string = null;
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@Input() note: string = null;
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/** Chip options */
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@Input() removable: boolean = true;
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@Input() addExtraChips: boolean = false;
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@Input() smallChip: boolean = false;
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@Input() panelWidth: number = 300;
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@Input() panelClass: string = null;
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@Output() focusEmitter: EventEmitter<boolean> = new EventEmitter<boolean>();
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/** Internal basic information */
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public required: boolean = false;
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private initValue: any;
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/** Chips */
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public filteredOptions: Observable<Option[]>;
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public searchControl: FormControl;
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private subscriptions: any[] = [];
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@ViewChild('select') select: MatSelect;
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@ViewChild('searchInput') searchInput: ElementRef;
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focused: boolean = false;
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constructor(private elementRef: ElementRef) {
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}
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@HostListener('document:click', ['$event'])
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clickOut(event) {
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this.focused = !!this.elementRef.nativeElement.contains(event.target);
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this.focusEmitter.emit(this.focused);
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}
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ngOnInit(): void {
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this.reset();
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}
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ngOnChanges(changes: SimpleChanges) {
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if (changes.formControl) {
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this.reset();
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}
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}
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get formAsArray(): FormArray {
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return (<FormArray>this.formControl);
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}
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reset() {
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this.unsubscribe();
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this.initValue = HelperFunctions.copy(this.formControl.value);
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if (this.options && this.type === 'chips') {
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this.filteredOptions = of(this.options);
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this.searchControl = new FormControl('');
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this.filteredOptions = this.searchControl.valueChanges.pipe(startWith(''),
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map(option => this.filter(option)));
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}
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if (this.formControl && this.formControl.validator) {
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let validator = this.formControl.validator({} as AbstractControl);
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this.required = (validator && validator.required);
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}
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this.subscriptions.push(this.formControl.valueChanges.subscribe(value => {
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value = (value === '') ? null : value;
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if (this.initValue === value || (this.initValue === '' && value === null)) {
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this.formControl.markAsPristine();
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}
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}));
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if (!this.formControl.value) {
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this.formControl.setValue('');
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}
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}
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unsubscribe() {
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this.subscriptions.forEach(subscription => {
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if (subscription instanceof Subscription) {
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subscription.unsubscribe();
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}
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});
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}
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openSelect() {
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if (this.select) {
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this.select.open();
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}
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}
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ngOnDestroy(): void {
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this.unsubscribe();
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}
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stopPropagation() {
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event.stopPropagation();
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}
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removed(index: number) {
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this.formAsArray.removeAt(index);
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this.formAsArray.markAsDirty();
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this.searchControl.setValue('');
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this.searchInput.nativeElement.focus();
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this.searchInput.nativeElement.value = '';
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this.stopPropagation();
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}
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selected(event: MatAutocompleteSelectedEvent): void {
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this.formAsArray.push(new FormControl(event.option.value));
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this.formAsArray.markAsDirty();
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this.searchControl.setValue('');
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this.searchInput.nativeElement.focus();
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this.searchInput.nativeElement.value = '';
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this.stopPropagation();
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}
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private filter(value: string): Option[] {
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let options = this.options.filter(option => !this.formAsArray.value.find(value => option.value === value));
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if (!value || value.length == 0) {
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return [];
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}
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const filterValue = value.toString().toLowerCase();
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return options.filter(option => option.label.toLowerCase().indexOf(filterValue) != -1);
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}
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add(event: MatChipInputEvent) {
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if (this.addExtraChips && event.value) {
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this.stopPropagation();
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this.formAsArray.push(new FormControl(event.value));
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this.formAsArray.markAsDirty();
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this.searchControl.setValue('');
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this.searchInput.nativeElement.value = '';
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}
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}
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getLabel(value: any) {
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let option = this.options.find(option => option.value === value);
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return (option) ? option.label : value;
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}
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}
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