16193550997

Committed 10 Jul 2025 11:12AM UTC coverage: 4.657% (-87.0%) from 91.64%

Build # 16193550997

Build Type

Pull #16028

github

Committed by

web-flow

Commit Message

Merge f7a9963b8 into 87246e3ce

Pull Request Pull Request #16028: fix(radio-group): dynamically added radio buttons do not initialize

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2.94

/projects/igniteui-angular/src/lib/select/select.component.ts

import {
    AfterContentChecked,
    AfterContentInit,
    AfterViewInit,
    booleanAttribute,
    ChangeDetectorRef,
    Component,
    ContentChild,
    ContentChildren,
    Directive,
    ElementRef,
    EventEmitter,
    forwardRef,
    HostBinding,
    Inject,
    Injector,
    Input,
    OnDestroy,
    OnInit,
    Optional,
    Output,
    QueryList,
    TemplateRef,
    ViewChild,
    ViewChildren
} from '@angular/core';
import { DOCUMENT, NgTemplateOutlet } from '@angular/common';
import { AbstractControl, ControlValueAccessor, NgControl, NG_VALUE_ACCESSOR } from '@angular/forms';
import { noop } from 'rxjs';
import { takeUntil } from 'rxjs/operators';

import { EditorProvider } from '../core/edit-provider';
import { IgxSelectionAPIService } from '../core/selection';
import { IBaseCancelableBrowserEventArgs, IBaseEventArgs } from '../core/utils';
import { IgxLabelDirective } from '../directives/label/label.directive';
import { IgxDropDownItemBaseDirective } from '../drop-down/drop-down-item.base';
import { IGX_DROPDOWN_BASE, ISelectionEventArgs, Navigate } from '../drop-down/drop-down.common';
import { IgxInputGroupComponent } from '../input-group/input-group.component';
import { AbsoluteScrollStrategy } from '../services/overlay/scroll/absolute-scroll-strategy';
import { OverlaySettings } from '../services/overlay/utilities';
import { IgxDropDownComponent } from './../drop-down/drop-down.component';
import { IgxSelectItemComponent } from './select-item.component';
import { SelectPositioningStrategy } from './select-positioning-strategy';
import { IgxSelectBase } from './select.common';
import { IgxHintDirective, IgxInputGroupType, IgxPrefixDirective, IGX_INPUT_GROUP_TYPE } from '../input-group/public_api';
import { ToggleViewCancelableEventArgs, ToggleViewEventArgs, IgxToggleDirective } from '../directives/toggle/toggle.directive';
import { IgxOverlayService } from '../services/overlay/overlay';
import { IgxIconComponent } from '../icon/icon.component';
import { IgxSuffixDirective } from '../directives/suffix/suffix.directive';
import { IgxSelectItemNavigationDirective } from './select-navigation.directive';
import { IgxInputDirective, IgxInputState } from '../directives/input/input.directive';

/** @hidden @internal */
@Directive({
    selector: '[igxSelectToggleIcon]',
    standalone: true
})
export class IgxSelectToggleIconDirective {
}

/** @hidden @internal */
@Directive({
    selector: '[igxSelectHeader]',
    standalone: true
})
export class IgxSelectHeaderDirective {
}

/** @hidden @internal */
@Directive({
    selector: '[igxSelectFooter]',
    standalone: true
})
export class IgxSelectFooterDirective {
}

/**
 * **Ignite UI for Angular Select** -
 * [Documentation](https://www.infragistics.com/products/ignite-ui-angular/angular/components/select)
 *
 * The `igxSelect` provides an input with dropdown list allowing selection of a single item.
 *
 * Example:
 * ```html
 * <igx-select #select1 [placeholder]="'Pick One'">
 *   <label igxLabel>Select Label</label>
 *   <igx-select-item *ngFor="let item of items" [value]="item.field">
 *     {{ item.field }}
 *   </igx-select-item>
 * </igx-select>
 * ```
 */
@Component({
    selector: 'igx-select',
    templateUrl: './select.component.html',
    providers: [
        { provide: NG_VALUE_ACCESSOR, useExisting: IgxSelectComponent, multi: true },
        { provide: IGX_DROPDOWN_BASE, useExisting: IgxSelectComponent }
    ],
    styles: [`
        :host {
            display: block;
        }
    `],
    imports: [IgxInputGroupComponent, IgxInputDirective, IgxSelectItemNavigationDirective, IgxSuffixDirective, NgTemplateOutlet, IgxIconComponent, IgxToggleDirective]
})
export class IgxSelectComponent extends IgxDropDownComponent implements IgxSelectBase, ControlValueAccessor,
    AfterContentInit, OnInit, AfterViewInit, OnDestroy, EditorProvider, AfterContentChecked {

    /** @hidden @internal */
    @ViewChild('inputGroup', { read: IgxInputGroupComponent, static: true }) public inputGroup: IgxInputGroupComponent;

    /** @hidden @internal */
    @ViewChild('input', { read: IgxInputDirective, static: true }) public input: IgxInputDirective;

    /** @hidden @internal */
    @ContentChildren(forwardRef(() => IgxSelectItemComponent), { descendants: true })
    public override children: QueryList<IgxSelectItemComponent>;

    @ContentChildren(IgxPrefixDirective, { descendants: true })
    protected prefixes: QueryList<IgxPrefixDirective>;

    @ContentChildren(IgxSuffixDirective, { descendants: true })
    protected suffixes: QueryList<IgxSuffixDirective>;

    @ViewChildren(IgxSuffixDirective)
    protected internalSuffixes: QueryList<IgxSuffixDirective>;

    /** @hidden @internal */
    @ContentChild(forwardRef(() => IgxLabelDirective), { static: true }) public label: IgxLabelDirective;

    /**
     * Sets input placeholder.
     *
     */
    @Input() public placeholder;


    /**
     * Disables the component.
     * ```html
     * <igx-select [disabled]="'true'"></igx-select>
     * ```
     */
    @Input({ transform: booleanAttribute }) public disabled = false;

    /**
     * Sets custom OverlaySettings `IgxSelectComponent`.
     * ```html
     * <igx-select [overlaySettings] = "customOverlaySettings"></igx-select>
     * ```
     */
    @Input()
    public overlaySettings: OverlaySettings;

    /** @hidden @internal */
    @HostBinding('style.maxHeight')
    public override maxHeight = '256px';

    /**
     * Emitted before the dropdown is opened
     *
     * ```html
     * <igx-select opening='handleOpening($event)'></igx-select>
     * ```
     */
    @Output()
    public override opening = new EventEmitter<IBaseCancelableBrowserEventArgs>();

    /**
     * Emitted after the dropdown is opened
     *
     * ```html
     * <igx-select (opened)='handleOpened($event)'></igx-select>
     * ```
     */
    @Output()
    public override opened = new EventEmitter<IBaseEventArgs>();

    /**
     * Emitted before the dropdown is closed
     *
     * ```html
     * <igx-select (closing)='handleClosing($event)'></igx-select>
     * ```
     */
    @Output()
    public override closing = new EventEmitter<IBaseCancelableBrowserEventArgs>();

    /**
     * Emitted after the dropdown is closed
     *
     * ```html
     * <igx-select (closed)='handleClosed($event)'></igx-select>
     * ```
     */
    @Output()
    public override closed = new EventEmitter<IBaseEventArgs>();

    /**
     * The custom template, if any, that should be used when rendering the select TOGGLE(open/close) button
     *
     * ```typescript
     * // Set in typescript
     * const myCustomTemplate: TemplateRef<any> = myComponent.customTemplate;
     * myComponent.select.toggleIconTemplate = myCustomTemplate;
     * ```
     * ```html
     * <!-- Set in markup -->
     *  <igx-select #select>
     *      ...
     *      <ng-template igxSelectToggleIcon let-collapsed>
     *          <igx-icon>{{ collapsed ? 'remove_circle' : 'remove_circle_outline'}}</igx-icon>
     *      </ng-template>
     *  </igx-select>
     * ```
     */
    @ContentChild(IgxSelectToggleIconDirective, { read: TemplateRef })
    public toggleIconTemplate: TemplateRef<any> = null;

    /**
     * The custom template, if any, that should be used when rendering the HEADER for the select items list
     *
     * ```typescript
     * // Set in typescript
     * const myCustomTemplate: TemplateRef<any> = myComponent.customTemplate;
     * myComponent.select.headerTemplate = myCustomTemplate;
     * ```
     * ```html
     * <!-- Set in markup -->
     *  <igx-select #select>
     *      ...
     *      <ng-template igxSelectHeader>
     *          <div class="select__header">
     *              This is a custom header
     *          </div>
     *      </ng-template>
     *  </igx-select>
     * ```
     */
    @ContentChild(IgxSelectHeaderDirective, { read: TemplateRef, static: false })
    public headerTemplate: TemplateRef<any> = null;

    /**
     * The custom template, if any, that should be used when rendering the FOOTER for the select items list
     *
     * ```typescript
     * // Set in typescript
     * const myCustomTemplate: TemplateRef<any> = myComponent.customTemplate;
     * myComponent.select.footerTemplate = myCustomTemplate;
     * ```
     * ```html
     * <!-- Set in markup -->
     *  <igx-select #select>
     *      ...
     *      <ng-template igxSelectFooter>
     *          <div class="select__footer">
     *              This is a custom footer
     *          </div>
     *      </ng-template>
     *  </igx-select>
     * ```
     */
    @ContentChild(IgxSelectFooterDirective, { read: TemplateRef, static: false })
    public footerTemplate: TemplateRef<any> = null;

    @ContentChild(IgxHintDirective, { read: ElementRef }) private hintElement: ElementRef;

    /** @hidden @internal */
    public override width: string;

    /** @hidden @internal do not use the drop-down container class */
    public override cssClass = false;

    /** @hidden @internal */
    public override allowItemsFocus = false;

    /** @hidden @internal */
    public override height: string;

    private ngControl: NgControl = null;
    private _overlayDefaults: OverlaySettings;
    private _value: any;
    private _type = null;

    /**
     * Gets/Sets the component value.
     *
     * ```typescript
     * // get
     * let selectValue = this.select.value;
     * ```
     *
     * ```typescript
     * // set
     * this.select.value = 'London';
     * ```
     * ```html
     * <igx-select [value]="value"></igx-select>
     * ```
     */
    @Input()
    public get value(): any {
        return this._value;
    }
    public set value(v: any) {
        if (this._value === v) {
            return;
        }
        this._value = v;
        this.setSelection(this.items.find(x => x.value === this.value));
    }

    /**
     * Sets how the select will be styled.
     * The allowed values are `line`, `box` and `border`. The input-group default is `line`.
     * ```html
     * <igx-select [type]="'box'"></igx-select>
     * ```
     */
    @Input()
    public get type(): IgxInputGroupType {
        return this._type || this._inputGroupType || 'line';
    }

    public set type(val: IgxInputGroupType) {
        this._type = val;
    }

    /** @hidden @internal */
    public get selectionValue() {
        const selectedItem = this.selectedItem;
        return selectedItem ? selectedItem.itemText : '';
    }

    /** @hidden @internal */
    public override get selectedItem(): IgxSelectItemComponent {
        return this.selection.first_item(this.id);
    }

    private _onChangeCallback: (_: any) => void = noop;
    private _onTouchedCallback: () => void = noop;

    constructor(
        elementRef: ElementRef,
        cdr: ChangeDetectorRef,
        @Inject(DOCUMENT) document: any,
        selection: IgxSelectionAPIService,
        @Inject(IgxOverlayService) protected overlayService: IgxOverlayService,
        @Optional() @Inject(IGX_INPUT_GROUP_TYPE) private _inputGroupType: IgxInputGroupType,
        private _injector: Injector,
    ) {
        super(elementRef, cdr, document, selection);
    }

    //#region ControlValueAccessor

    /** @hidden @internal */
    public writeValue = (value: any) => {
        this.value = value;
    };

    /** @hidden @internal */
    public registerOnChange(fn: any): void {
        this._onChangeCallback = fn;
    }

    /** @hidden @internal */
    public registerOnTouched(fn: any): void {
        this._onTouchedCallback = fn;
    }

    /** @hidden @internal */
    public setDisabledState(isDisabled: boolean): void {
        this.disabled = isDisabled;
    }
    //#endregion

    /** @hidden @internal */
    public getEditElement(): HTMLInputElement {
        return this.input.nativeElement;
    }

    /** @hidden @internal */
    public override selectItem(newSelection: IgxDropDownItemBaseDirective, event?) {
        const oldSelection = this.selectedItem ?? <IgxDropDownItemBaseDirective>{};

        if (newSelection === null || newSelection.disabled || newSelection.isHeader) {
            return;
        }

        if (newSelection === oldSelection) {
            this.toggleDirective.close();
            return;
        }

        const args: ISelectionEventArgs = { oldSelection, newSelection, cancel: false, owner: this };
        this.selectionChanging.emit(args);

        if (args.cancel) {
            return;
        }

        this.setSelection(newSelection);
        this._value = newSelection.value;

        if (event) {
            this.toggleDirective.close();
        }

        this.cdr.detectChanges();
        this._onChangeCallback(this.value);
    }

    /** @hidden @internal */
    public getFirstItemElement(): HTMLElement {
        return this.children.first.element.nativeElement;
    }

    /**
     * Opens the select
     *
     * ```typescript
     * this.select.open();
     * ```
     */
    public override open(overlaySettings?: OverlaySettings) {
        if (this.disabled || this.items.length === 0) {
            return;
        }
        if (!this.selectedItem) {
            this.navigateFirst();
        }

        super.open(Object.assign({}, this._overlayDefaults, this.overlaySettings, overlaySettings));
    }

    public inputGroupClick(event: MouseEvent, overlaySettings?: OverlaySettings) {
        const targetElement = event.target as HTMLElement;

        if (this.hintElement && targetElement.contains(this.hintElement.nativeElement)) {
            return;
        }
        this.toggle(Object.assign({}, this._overlayDefaults, this.overlaySettings, overlaySettings));
    }

    /** @hidden @internal */
    public ngAfterContentInit() {
        this._overlayDefaults = {
            target: this.getEditElement(),
            modal: false,
            positionStrategy: new SelectPositioningStrategy(this),
            scrollStrategy: new AbsoluteScrollStrategy(),
            excludeFromOutsideClick: [this.inputGroup.element.nativeElement as HTMLElement]
        };
        const changes$ = this.children.changes.pipe(takeUntil(this.destroy$)).subscribe(() => {
            this.setSelection(this.items.find(x => x.value === this.value));
            this.cdr.detectChanges();
        });
        Promise.resolve().then(() => {
            if (!changes$.closed) {
                this.children.notifyOnChanges();
            }
        });
    }

    /**
     * Event handlers
     *
     * @hidden @internal
     */
    public handleOpening(e: ToggleViewCancelableEventArgs) {
        const args: IBaseCancelableBrowserEventArgs = { owner: this, event: e.event, cancel: e.cancel };
        this.opening.emit(args);

        e.cancel = args.cancel;
        if (args.cancel) {
            return;
        }
    }

    /** @hidden @internal */
    public override onToggleContentAppended(event: ToggleViewEventArgs) {
        const info = this.overlayService.getOverlayById(event.id);
        if (info?.settings?.positionStrategy instanceof SelectPositioningStrategy) {
            return;
        }
        super.onToggleContentAppended(event);
    }

    /** @hidden @internal */
    public handleOpened() {
        this.updateItemFocus();
        this.opened.emit({ owner: this });
    }

    /** @hidden @internal */
    public handleClosing(e: ToggleViewCancelableEventArgs) {
        const args: IBaseCancelableBrowserEventArgs = { owner: this, event: e.event, cancel: e.cancel };
        this.closing.emit(args);
        e.cancel = args.cancel;
    }

    /** @hidden @internal */
    public handleClosed() {
        this.focusItem(false);
        this.closed.emit({ owner: this });
    }

    /** @hidden @internal */
    public onBlur(): void {
        this._onTouchedCallback();
        if (this.ngControl && this.ngControl.invalid) {
            this.input.valid = IgxInputState.INVALID;
        } else {
            this.input.valid = IgxInputState.INITIAL;
        }
    }

    /** @hidden @internal */
    public onFocus(): void {
        this._onTouchedCallback();
    }

    /**
     * @hidden @internal
     */
    public override ngOnInit() {
        this.ngControl = this._injector.get<NgControl>(NgControl, null);
    }

    /**
     * @hidden @internal
     */
    public override ngAfterViewInit() {
        super.ngAfterViewInit();

        if (this.ngControl) {
            this.ngControl.statusChanges.pipe(takeUntil(this.destroy$)).subscribe(this.onStatusChanged.bind(this));
            this.manageRequiredAsterisk();
        }

        this.cdr.detectChanges();
    }

    /** @hidden @internal */
    public ngAfterContentChecked() {
        if (this.inputGroup && this.prefixes?.length > 0) {
            this.inputGroup.prefixes = this.prefixes;
        }

        if (this.inputGroup) {
            const suffixesArray = this.suffixes?.toArray() ?? [];
            const internalSuffixesArray = this.internalSuffixes?.toArray() ?? [];
            const mergedSuffixes = new QueryList<IgxSuffixDirective>();
            mergedSuffixes.reset([
                ...suffixesArray,
                ...internalSuffixesArray
            ]);
            this.inputGroup.suffixes = mergedSuffixes;
        }
    }

    /** @hidden @internal */
    public get toggleIcon(): string {
        return this.collapsed ? 'input_expand' : 'input_collapse';
    }

    /**
     * @hidden @internal
     * Prevent input blur - closing the items container on Header/Footer Template click.
     */
    public mousedownHandler(event) {
        event.preventDefault();
    }

    protected onStatusChanged() {
        this.manageRequiredAsterisk();
        if (this.ngControl && !this.disabled && this.isTouchedOrDirty) {
            if (this.hasValidators && this.inputGroup.isFocused) {
                this.input.valid = this.ngControl.valid ? IgxInputState.VALID : IgxInputState.INVALID;
            } else {
                // B.P. 18 May 2021: IgxDatePicker does not reset its state upon resetForm #9526
                this.input.valid = this.ngControl.valid ? IgxInputState.INITIAL : IgxInputState.INVALID;
            }
        } else {
            this.input.valid = IgxInputState.INITIAL;
        }
    }

    private get isTouchedOrDirty(): boolean {
        return (this.ngControl.control.touched || this.ngControl.control.dirty);
    }

    private get hasValidators(): boolean {
        return (!!this.ngControl.control.validator || !!this.ngControl.control.asyncValidator);
    }

    protected override navigate(direction: Navigate, currentIndex?: number) {
        if (this.collapsed && this.selectedItem) {
            this.navigateItem(this.selectedItem.itemIndex);
        }
        super.navigate(direction, currentIndex);
    }

    protected manageRequiredAsterisk(): void {
        const hasRequiredHTMLAttribute = this.elementRef.nativeElement.hasAttribute('required');
        let isRequired = false;

        if (this.ngControl && this.ngControl.control.validator) {
            const error = this.ngControl.control.validator({} as AbstractControl);
            isRequired = !!(error && error.required);
        }

        this.inputGroup.isRequired = isRequired;

        if (this.input?.nativeElement) {
            this.input.nativeElement.setAttribute('aria-required', isRequired.toString());
        }

        // Handle validator removal case
        if (!isRequired && !hasRequiredHTMLAttribute) {
            this.input.valid = IgxInputState.INITIAL;
        }

        this.cdr.markForCheck();
    }

    private setSelection(item: IgxDropDownItemBaseDirective) {
        if (item && item.value !== undefined && item.value !== null) {
            this.selection.set(this.id, new Set([item]));
        } else {
            this.selection.clear(this.id);
        }
    }
}


1	import {
2	AfterContentChecked,
3	AfterContentInit,
4	AfterViewInit,
5	booleanAttribute,
6	ChangeDetectorRef,
7	Component,
8	ContentChild,
9	ContentChildren,
10	Directive,
11	ElementRef,
12	EventEmitter,
13	forwardRef,
14	HostBinding,
15	Inject,
16	Injector,
17	Input,
18	OnDestroy,
19	OnInit,
20	Optional,
21	Output,
22	QueryList,
23	TemplateRef,
24	ViewChild,
25	ViewChildren
26	} from '@angular/core';
27	import { DOCUMENT, NgTemplateOutlet } from '@angular/common';
28	import { AbstractControl, ControlValueAccessor, NgControl, NG_VALUE_ACCESSOR } from '@angular/forms';
29	import { noop } from 'rxjs';
30	import { takeUntil } from 'rxjs/operators';
31
32	import { EditorProvider } from '../core/edit-provider';
33	import { IgxSelectionAPIService } from '../core/selection';
34	import { IBaseCancelableBrowserEventArgs, IBaseEventArgs } from '../core/utils';
35	import { IgxLabelDirective } from '../directives/label/label.directive';
36	import { IgxDropDownItemBaseDirective } from '../drop-down/drop-down-item.base';
37	import { IGX_DROPDOWN_BASE, ISelectionEventArgs, Navigate } from '../drop-down/drop-down.common';
38	import { IgxInputGroupComponent } from '../input-group/input-group.component';
39	import { AbsoluteScrollStrategy } from '../services/overlay/scroll/absolute-scroll-strategy';
40	import { OverlaySettings } from '../services/overlay/utilities';
41	import { IgxDropDownComponent } from './../drop-down/drop-down.component';
42	import { IgxSelectItemComponent } from './select-item.component';
43	import { SelectPositioningStrategy } from './select-positioning-strategy';
44	import { IgxSelectBase } from './select.common';
45	import { IgxHintDirective, IgxInputGroupType, IgxPrefixDirective, IGX_INPUT_GROUP_TYPE } from '../input-group/public_api';
46	import { ToggleViewCancelableEventArgs, ToggleViewEventArgs, IgxToggleDirective } from '../directives/toggle/toggle.directive';
47	import { IgxOverlayService } from '../services/overlay/overlay';
48	import { IgxIconComponent } from '../icon/icon.component';
49	import { IgxSuffixDirective } from '../directives/suffix/suffix.directive';
50	import { IgxSelectItemNavigationDirective } from './select-navigation.directive';
51	import { IgxInputDirective, IgxInputState } from '../directives/input/input.directive';
52
53	/** @hidden @internal */
54	@Directive({
55	selector: '[igxSelectToggleIcon]',
56	standalone: true
57	})
58	export class IgxSelectToggleIconDirective {	3✔
59	}
60
61	/** @hidden @internal */
62	@Directive({
63	selector: '[igxSelectHeader]',
64	standalone: true
65	})
66	export class IgxSelectHeaderDirective {	3✔
67	}
68
69	/** @hidden @internal */
70	@Directive({
71	selector: '[igxSelectFooter]',
72	standalone: true
73	})
74	export class IgxSelectFooterDirective {	3✔
75	}
76
77	/**
78	* Ignite UI for Angular Select -
79	* [Documentation](https://www.infragistics.com/products/ignite-ui-angular/angular/components/select)
80	*
81	* The `igxSelect` provides an input with dropdown list allowing selection of a single item.
82	*
83	* Example:
84	* ```html
85	* <igx-select #select1 [placeholder]="'Pick One'">
86	* <label igxLabel>Select Label</label>
87	* <igx-select-item *ngFor="let item of items" [value]="item.field">
88	* {{ item.field }}
89	* </igx-select-item>
90	* </igx-select>
91	* ```
92	*/
93	@Component({
94	selector: 'igx-select',
95	templateUrl: './select.component.html',
96	providers: [
97	{ provide: NG_VALUE_ACCESSOR, useExisting: IgxSelectComponent, multi: true },
98	{ provide: IGX_DROPDOWN_BASE, useExisting: IgxSelectComponent }
99	],
100	styles: [`
101	:host {
102	display: block;
103	}
104	`],
105	imports: [IgxInputGroupComponent, IgxInputDirective, IgxSelectItemNavigationDirective, IgxSuffixDirective, NgTemplateOutlet, IgxIconComponent, IgxToggleDirective]
106	})
107	export class IgxSelectComponent extends IgxDropDownComponent implements IgxSelectBase, ControlValueAccessor,	3✔
108	AfterContentInit, OnInit, AfterViewInit, OnDestroy, EditorProvider, AfterContentChecked {
109
110	/** @hidden @internal */
111	@ViewChild('inputGroup', { read: IgxInputGroupComponent, static: true }) public inputGroup: IgxInputGroupComponent;
112
113	/** @hidden @internal */
114	@ViewChild('input', { read: IgxInputDirective, static: true }) public input: IgxInputDirective;
115
116	/** @hidden @internal */
UNCOV 117	@ContentChildren(forwardRef(() => IgxSelectItemComponent), { descendants: true })	×
118	public override children: QueryList<IgxSelectItemComponent>;
119
120	@ContentChildren(IgxPrefixDirective, { descendants: true })
121	protected prefixes: QueryList<IgxPrefixDirective>;
122
123	@ContentChildren(IgxSuffixDirective, { descendants: true })
124	protected suffixes: QueryList<IgxSuffixDirective>;
125
126	@ViewChildren(IgxSuffixDirective)
127	protected internalSuffixes: QueryList<IgxSuffixDirective>;
128
129	/** @hidden @internal */
UNCOV 130	@ContentChild(forwardRef(() => IgxLabelDirective), { static: true }) public label: IgxLabelDirective;	×
131
132	/**
133	* Sets input placeholder.
134	*
135	*/
136	@Input() public placeholder;
137
138
139	/**
140	* Disables the component.
141	* ```html
142	* <igx-select [disabled]="'true'"></igx-select>
143	* ```
144	*/
UNCOV 145	@Input({ transform: booleanAttribute }) public disabled = false;	×
146
147	/**
148	* Sets custom OverlaySettings `IgxSelectComponent`.
149	* ```html
150	* <igx-select [overlaySettings] = "customOverlaySettings"></igx-select>
151	* ```
152	*/
153	@Input()
154	public overlaySettings: OverlaySettings;
155
156	/** @hidden @internal */
157	@HostBinding('style.maxHeight')
UNCOV 158	public override maxHeight = '256px';	×
159
160	/**
161	* Emitted before the dropdown is opened
162	*
163	* ```html
164	* <igx-select opening='handleOpening($event)'></igx-select>
165	* ```
166	*/
167	@Output()
UNCOV 168	public override opening = new EventEmitter<IBaseCancelableBrowserEventArgs>();	×
169
170	/**
171	* Emitted after the dropdown is opened
172	*
173	* ```html
174	* <igx-select (opened)='handleOpened($event)'></igx-select>
175	* ```
176	*/
177	@Output()
UNCOV 178	public override opened = new EventEmitter<IBaseEventArgs>();	×
179
180	/**
181	* Emitted before the dropdown is closed
182	*
183	* ```html
184	* <igx-select (closing)='handleClosing($event)'></igx-select>
185	* ```
186	*/
187	@Output()
UNCOV 188	public override closing = new EventEmitter<IBaseCancelableBrowserEventArgs>();	×
189
190	/**
191	* Emitted after the dropdown is closed
192	*
193	* ```html
194	* <igx-select (closed)='handleClosed($event)'></igx-select>
195	* ```
196	*/
197	@Output()
UNCOV 198	public override closed = new EventEmitter<IBaseEventArgs>();	×
199
200	/**
201	* The custom template, if any, that should be used when rendering the select TOGGLE(open/close) button
202	*
203	* ```typescript
204	* // Set in typescript
205	* const myCustomTemplate: TemplateRef<any> = myComponent.customTemplate;
206	* myComponent.select.toggleIconTemplate = myCustomTemplate;
207	* ```
208	* ```html
209	* <!-- Set in markup -->
210	* <igx-select #select>
211	* ...
212	* <ng-template igxSelectToggleIcon let-collapsed>
213	* <igx-icon>{{ collapsed ? 'remove_circle' : 'remove_circle_outline'}}</igx-icon>
214	* </ng-template>
215	* </igx-select>
216	* ```
217	*/
218	@ContentChild(IgxSelectToggleIconDirective, { read: TemplateRef })
UNCOV 219	public toggleIconTemplate: TemplateRef<any> = null;	×
220
221	/**
222	* The custom template, if any, that should be used when rendering the HEADER for the select items list
223	*
224	* ```typescript
225	* // Set in typescript
226	* const myCustomTemplate: TemplateRef<any> = myComponent.customTemplate;
227	* myComponent.select.headerTemplate = myCustomTemplate;
228	* ```
229	* ```html
230	* <!-- Set in markup -->
231	* <igx-select #select>
232	* ...
233	* <ng-template igxSelectHeader>
234	* <div class="select__header">
235	* This is a custom header
236	* </div>
237	* </ng-template>
238	* </igx-select>
239	* ```
240	*/
241	@ContentChild(IgxSelectHeaderDirective, { read: TemplateRef, static: false })
UNCOV 242	public headerTemplate: TemplateRef<any> = null;	×
243
244	/**
245	* The custom template, if any, that should be used when rendering the FOOTER for the select items list
246	*
247	* ```typescript
248	* // Set in typescript
249	* const myCustomTemplate: TemplateRef<any> = myComponent.customTemplate;
250	* myComponent.select.footerTemplate = myCustomTemplate;
251	* ```
252	* ```html
253	* <!-- Set in markup -->
254	* <igx-select #select>
255	* ...
256	* <ng-template igxSelectFooter>
257	* <div class="select__footer">
258	* This is a custom footer
259	* </div>
260	* </ng-template>
261	* </igx-select>
262	* ```
263	*/
264	@ContentChild(IgxSelectFooterDirective, { read: TemplateRef, static: false })
UNCOV 265	public footerTemplate: TemplateRef<any> = null;	×
266
267	@ContentChild(IgxHintDirective, { read: ElementRef }) private hintElement: ElementRef;
268
269	/** @hidden @internal */
270	public override width: string;
271
272	/** @hidden @internal do not use the drop-down container class */
UNCOV 273	public override cssClass = false;	×
274
275	/** @hidden @internal */
UNCOV 276	public override allowItemsFocus = false;	×
277
278	/** @hidden @internal */
279	public override height: string;
280
UNCOV 281	private ngControl: NgControl = null;	×
282	private _overlayDefaults: OverlaySettings;
283	private _value: any;
UNCOV 284	private _type = null;	×
285
286	/**
287	* Gets/Sets the component value.
288	*
289	* ```typescript
290	* // get
291	* let selectValue = this.select.value;
292	* ```
293	*
294	* ```typescript
295	* // set
296	* this.select.value = 'London';
297	* ```
298	* ```html
299	* <igx-select [value]="value"></igx-select>
300	* ```
301	*/
302	@Input()
303	public get value(): any {
UNCOV 304	return this._value;	×
305	}
306	public set value(v: any) {
UNCOV 307	if (this._value === v) {	×
UNCOV 308	return;	×
309	}
UNCOV 310	this._value = v;	×
UNCOV 311	this.setSelection(this.items.find(x => x.value === this.value));	×
312	}
313
314	/**
315	* Sets how the select will be styled.
316	* The allowed values are `line`, `box` and `border`. The input-group default is `line`.
317	* ```html
318	* <igx-select [type]="'box'"></igx-select>
319	* ```
320	*/
321	@Input()
322	public get type(): IgxInputGroupType {
UNCOV 323	return this._type \|\| this._inputGroupType \|\| 'line';	×
324	}
325
326	public set type(val: IgxInputGroupType) {
UNCOV 327	this._type = val;	×
328	}
329
330	/** @hidden @internal */
331	public get selectionValue() {
UNCOV 332	const selectedItem = this.selectedItem;	×
UNCOV 333	return selectedItem ? selectedItem.itemText : '';	×
334	}
335
336	/** @hidden @internal */
337	public override get selectedItem(): IgxSelectItemComponent {
UNCOV 338	return this.selection.first_item(this.id);	×
339	}
340
UNCOV 341	private _onChangeCallback: (_: any) => void = noop;	×
UNCOV 342	private _onTouchedCallback: () => void = noop;	×
343
344	constructor(
345	elementRef: ElementRef,
346	cdr: ChangeDetectorRef,
347	@Inject(DOCUMENT) document: any,
348	selection: IgxSelectionAPIService,
UNCOV 349	@Inject(IgxOverlayService) protected overlayService: IgxOverlayService,	×
UNCOV 350	@Optional() @Inject(IGX_INPUT_GROUP_TYPE) private _inputGroupType: IgxInputGroupType,	×
UNCOV 351	private _injector: Injector,	×
352	) {
UNCOV 353	super(elementRef, cdr, document, selection);	×
354	}
355
356	//#region ControlValueAccessor
357
358	/** @hidden @internal */
UNCOV 359	public writeValue = (value: any) => {	×
UNCOV 360	this.value = value;	×
361	};
362
363	/** @hidden @internal */
364	public registerOnChange(fn: any): void {
UNCOV 365	this._onChangeCallback = fn;	×
366	}
367
368	/** @hidden @internal */
369	public registerOnTouched(fn: any): void {
UNCOV 370	this._onTouchedCallback = fn;	×
371	}
372
373	/** @hidden @internal */
374	public setDisabledState(isDisabled: boolean): void {
UNCOV 375	this.disabled = isDisabled;	×
376	}
377	//#endregion
378
379	/** @hidden @internal */
380	public getEditElement(): HTMLInputElement {
UNCOV 381	return this.input.nativeElement;	×
382	}
383
384	/** @hidden @internal */
385	public override selectItem(newSelection: IgxDropDownItemBaseDirective, event?) {
UNCOV 386	const oldSelection = this.selectedItem ?? <IgxDropDownItemBaseDirective>{};	×
387
UNCOV 388	if (newSelection === null \|\| newSelection.disabled \|\| newSelection.isHeader) {	×
UNCOV 389	return;	×
390	}
391
UNCOV 392	if (newSelection === oldSelection) {	×
UNCOV 393	this.toggleDirective.close();	×
UNCOV 394	return;	×
395	}
396
UNCOV 397	const args: ISelectionEventArgs = { oldSelection, newSelection, cancel: false, owner: this };	×
UNCOV 398	this.selectionChanging.emit(args);	×
399
UNCOV 400	if (args.cancel) {	×
UNCOV 401	return;	×
402	}
403
UNCOV 404	this.setSelection(newSelection);	×
UNCOV 405	this._value = newSelection.value;	×
406
UNCOV 407	if (event) {	×
UNCOV 408	this.toggleDirective.close();	×
409	}
410
UNCOV 411	this.cdr.detectChanges();	×
UNCOV 412	this._onChangeCallback(this.value);	×
413	}
414
415	/** @hidden @internal */
416	public getFirstItemElement(): HTMLElement {
UNCOV 417	return this.children.first.element.nativeElement;	×
418	}
419
420	/**
421	* Opens the select
422	*
423	* ```typescript
424	* this.select.open();
425	* ```
426	*/
427	public override open(overlaySettings?: OverlaySettings) {
UNCOV 428	if (this.disabled \|\| this.items.length === 0) {	×
UNCOV 429	return;	×
430	}
UNCOV 431	if (!this.selectedItem) {	×
UNCOV 432	this.navigateFirst();	×
433	}
434
UNCOV 435	super.open(Object.assign({}, this._overlayDefaults, this.overlaySettings, overlaySettings));	×
436	}
437
438	public inputGroupClick(event: MouseEvent, overlaySettings?: OverlaySettings) {
UNCOV 439	const targetElement = event.target as HTMLElement;	×
440
UNCOV 441	if (this.hintElement && targetElement.contains(this.hintElement.nativeElement)) {	×
442	return;	×
443	}
UNCOV 444	this.toggle(Object.assign({}, this._overlayDefaults, this.overlaySettings, overlaySettings));	×
445	}
446
447	/** @hidden @internal */
448	public ngAfterContentInit() {
UNCOV 449	this._overlayDefaults = {	×
450	target: this.getEditElement(),
451	modal: false,
452	positionStrategy: new SelectPositioningStrategy(this),
453	scrollStrategy: new AbsoluteScrollStrategy(),
454	excludeFromOutsideClick: [this.inputGroup.element.nativeElement as HTMLElement]
455	};
UNCOV 456	const changes$ = this.children.changes.pipe(takeUntil(this.destroy$)).subscribe(() => {	×
UNCOV 457	this.setSelection(this.items.find(x => x.value === this.value));	×
UNCOV 458	this.cdr.detectChanges();	×
459	});
UNCOV 460	Promise.resolve().then(() => {	×
UNCOV 461	if (!changes$.closed) {	×
UNCOV 462	this.children.notifyOnChanges();	×
463	}
464	});
465	}
466
467	/**
468	* Event handlers
469	*
470	* @hidden @internal
471	*/
472	public handleOpening(e: ToggleViewCancelableEventArgs) {
UNCOV 473	const args: IBaseCancelableBrowserEventArgs = { owner: this, event: e.event, cancel: e.cancel };	×
UNCOV 474	this.opening.emit(args);	×
475
UNCOV 476	e.cancel = args.cancel;	×
UNCOV 477	if (args.cancel) {	×
478	return;	×
479	}
480	}
481
482	/** @hidden @internal */
483	public override onToggleContentAppended(event: ToggleViewEventArgs) {
UNCOV 484	const info = this.overlayService.getOverlayById(event.id);	×
UNCOV 485	if (info?.settings?.positionStrategy instanceof SelectPositioningStrategy) {	×
486	return;	×
487	}
UNCOV 488	super.onToggleContentAppended(event);	×
489	}
490
491	/** @hidden @internal */
492	public handleOpened() {
UNCOV 493	this.updateItemFocus();	×
UNCOV 494	this.opened.emit({ owner: this });	×
495	}
496
497	/** @hidden @internal */
498	public handleClosing(e: ToggleViewCancelableEventArgs) {
UNCOV 499	const args: IBaseCancelableBrowserEventArgs = { owner: this, event: e.event, cancel: e.cancel };	×
UNCOV 500	this.closing.emit(args);	×
UNCOV 501	e.cancel = args.cancel;	×
502	}
503
504	/** @hidden @internal */
505	public handleClosed() {
UNCOV 506	this.focusItem(false);	×
UNCOV 507	this.closed.emit({ owner: this });	×
508	}
509
510	/** @hidden @internal */
511	public onBlur(): void {
UNCOV 512	this._onTouchedCallback();	×
UNCOV 513	if (this.ngControl && this.ngControl.invalid) {	×
UNCOV 514	this.input.valid = IgxInputState.INVALID;	×
515	} else {
UNCOV 516	this.input.valid = IgxInputState.INITIAL;	×
517	}
518	}
519
520	/** @hidden @internal */
521	public onFocus(): void {
UNCOV 522	this._onTouchedCallback();	×
523	}
524
525	/**
526	* @hidden @internal
527	*/
528	public override ngOnInit() {
UNCOV 529	this.ngControl = this._injector.get<NgControl>(NgControl, null);	×
530	}
531
532	/**
533	* @hidden @internal
534	*/
535	public override ngAfterViewInit() {
UNCOV 536	super.ngAfterViewInit();	×
537
UNCOV 538	if (this.ngControl) {	×
UNCOV 539	this.ngControl.statusChanges.pipe(takeUntil(this.destroy$)).subscribe(this.onStatusChanged.bind(this));	×
UNCOV 540	this.manageRequiredAsterisk();	×
541	}
542
UNCOV 543	this.cdr.detectChanges();	×
544	}
545
546	/** @hidden @internal */
547	public ngAfterContentChecked() {
UNCOV 548	if (this.inputGroup && this.prefixes?.length > 0) {	×
UNCOV 549	this.inputGroup.prefixes = this.prefixes;	×
550	}
551
UNCOV 552	if (this.inputGroup) {	×
UNCOV 553	const suffixesArray = this.suffixes?.toArray() ?? [];	×
UNCOV 554	const internalSuffixesArray = this.internalSuffixes?.toArray() ?? [];	×
UNCOV 555	const mergedSuffixes = new QueryList<IgxSuffixDirective>();	×
UNCOV 556	mergedSuffixes.reset([	×
557	...suffixesArray,
558	...internalSuffixesArray
559	]);
UNCOV 560	this.inputGroup.suffixes = mergedSuffixes;	×
561	}
562	}
563
564	/** @hidden @internal */
565	public get toggleIcon(): string {
UNCOV 566	return this.collapsed ? 'input_expand' : 'input_collapse';	×
567	}
568
569	/**
570	* @hidden @internal
571	* Prevent input blur - closing the items container on Header/Footer Template click.
572	*/
573	public mousedownHandler(event) {
574	event.preventDefault();	×
575	}
576
577	protected onStatusChanged() {
UNCOV 578	this.manageRequiredAsterisk();	×
UNCOV 579	if (this.ngControl && !this.disabled && this.isTouchedOrDirty) {	×
UNCOV 580	if (this.hasValidators && this.inputGroup.isFocused) {	×
UNCOV 581	this.input.valid = this.ngControl.valid ? IgxInputState.VALID : IgxInputState.INVALID;	×
582	} else {
583	// B.P. 18 May 2021: IgxDatePicker does not reset its state upon resetForm #9526
UNCOV 584	this.input.valid = this.ngControl.valid ? IgxInputState.INITIAL : IgxInputState.INVALID;	×
585	}
586	} else {
UNCOV 587	this.input.valid = IgxInputState.INITIAL;	×
588	}
589	}
590
591	private get isTouchedOrDirty(): boolean {
UNCOV 592	return (this.ngControl.control.touched \|\| this.ngControl.control.dirty);	×
593	}
594
595	private get hasValidators(): boolean {
UNCOV 596	return (!!this.ngControl.control.validator \|\| !!this.ngControl.control.asyncValidator);	×
597	}
598
599	protected override navigate(direction: Navigate, currentIndex?: number) {
UNCOV 600	if (this.collapsed && this.selectedItem) {	×
UNCOV 601	this.navigateItem(this.selectedItem.itemIndex);	×
602	}
UNCOV 603	super.navigate(direction, currentIndex);	×
604	}
605
606	protected manageRequiredAsterisk(): void {
UNCOV 607	const hasRequiredHTMLAttribute = this.elementRef.nativeElement.hasAttribute('required');	×
UNCOV 608	let isRequired = false;	×
609
UNCOV 610	if (this.ngControl && this.ngControl.control.validator) {	×
UNCOV 611	const error = this.ngControl.control.validator({} as AbstractControl);	×
UNCOV 612	isRequired = !!(error && error.required);	×
613	}
614
UNCOV 615	this.inputGroup.isRequired = isRequired;	×
616
UNCOV 617	if (this.input?.nativeElement) {	×
UNCOV 618	this.input.nativeElement.setAttribute('aria-required', isRequired.toString());	×
619	}
620
621	// Handle validator removal case
UNCOV 622	if (!isRequired && !hasRequiredHTMLAttribute) {	×
UNCOV 623	this.input.valid = IgxInputState.INITIAL;	×
624	}
625
UNCOV 626	this.cdr.markForCheck();	×
627	}
628
629	private setSelection(item: IgxDropDownItemBaseDirective) {
UNCOV 630	if (item && item.value !== undefined && item.value !== null) {	×
UNCOV 631	this.selection.set(this.id, new Set([item]));	×
632	} else {
UNCOV 633	this.selection.clear(this.id);	×
634	}
635	}
636	}
637

IgniteUI / igniteui-angular / 16193550997

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