12259520118

Committed 10 Dec 2024 03:36PM UTC coverage: 91.602% (-0.02%) from 91.621%

Build # 12259520118

Build Type

Pull #15120

github

Committed by

web-flow

Commit Message

Merge pull request #15161 from IgniteUI/simeonoff/fix-15159

refactor(icon): remove ariaHidden member

Pull Request Pull Request #15120: Mass Merge 19.0.x to master

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95.7

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

import {
    Component,
    EventEmitter,
    HostListener,
    HostBinding,
    Input,
    Output,
    ViewChild,
    ElementRef,
    AfterViewInit,
    ChangeDetectorRef,
    Renderer2,
    Optional,
    Self,
    booleanAttribute,
    inject,
    DestroyRef,
    Inject
} from '@angular/core';
import { ControlValueAccessor, NgControl, Validators } from '@angular/forms';
import { IgxRippleDirective } from '../directives/ripple/ripple.directive';
import { IBaseEventArgs, getComponentTheme, mkenum } from '../core/utils';
import { EditorProvider, EDITOR_PROVIDER } from '../core/edit-provider';
import { noop, Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { IgxTheme, THEME_TOKEN, ThemeToken } from '../services/theme/theme.token';

export const LabelPosition = /*@__PURE__*/mkenum({
    BEFORE: 'before',
    AFTER: 'after'
});
export type LabelPosition = typeof LabelPosition[keyof typeof LabelPosition];

export interface IChangeCheckboxEventArgs extends IBaseEventArgs {
    checked: boolean;
    value?: any;
}

let nextId = 0;
/**
 * Allows users to make a binary choice for a certain condition.
 *
 * @igxModule IgxCheckboxModule
 *
 * @igxTheme igx-checkbox-theme
 *
 * @igxKeywords checkbox, label
 *
 * @igxGroup Data entry and display
 *
 * @remarks
 * The Ignite UI Checkbox is a selection control that allows users to make a binary choice for a certain condition.It behaves similarly
 * to the native browser checkbox.
 *
 * @example
 * ```html
 * <igx-checkbox [checked]="true">
 *   simple checkbox
 * </igx-checkbox>
 * ```
 */
@Component({
    selector: 'igx-checkbox',
    providers: [{
            provide: EDITOR_PROVIDER,
            useExisting: IgxCheckboxComponent,
            multi: true
        }],
    preserveWhitespaces: false,
    templateUrl: 'checkbox.component.html',
    imports: [IgxRippleDirective]
})
export class IgxCheckboxComponent implements EditorProvider, AfterViewInit, ControlValueAccessor {

    /**
     * An event that is emitted after the checkbox state is changed.
     * Provides references to the `IgxCheckboxComponent` and the `checked` property as event arguments.
     */
    // eslint-disable-next-line @angular-eslint/no-output-native
    @Output() public readonly change: EventEmitter<IChangeCheckboxEventArgs> = new EventEmitter<IChangeCheckboxEventArgs>();

    /**
     * @hidden
     * @internal
     */
    public destroy$ = new Subject<boolean>();

    /**
     * Returns reference to the native checkbox element.
     *
     * @example
     * ```typescript
     * let checkboxElement =  this.component.checkboxElement;
     * ```
     */
    @ViewChild('checkbox', { static: true })
    public nativeInput: ElementRef;

    /**
     * Returns reference to the native label element.
     * ```typescript
     *
     * @example
     * let labelElement =  this.component.nativeLabel;
     * ```
     */
    @ViewChild('label', { static: true })
    public nativeLabel: ElementRef;

    /**
     * Returns reference to the `nativeElement` of the igx-checkbox/igx-switch.
     *
     * @example
     * ```typescript
     * let nativeElement = this.component.nativeElement;
     * ```
     */
    public get nativeElement() {
        return this.nativeInput.nativeElement;
    }

    /**
     * Returns reference to the label placeholder element.
     * ```typescript
     *
     * @example
     * let labelPlaceholder =  this.component.placeholderLabel;
     * ```
     */
    @ViewChild('placeholderLabel', { static: true })
    public placeholderLabel: ElementRef;

    /**
     * Sets/gets the `id` of the checkbox component.
     * If not set, the `id` of the first checkbox component will be `"igx-checkbox-0"`.
     *
     * @example
     * ```html
     * <igx-checkbox id="my-first-checkbox"></igx-checkbox>
     * ```
     * ```typescript
     * let checkboxId =  this.checkbox.id;
     * ```
     */
    @HostBinding('attr.id')
    @Input()
    public id = `igx-checkbox-${nextId++}`;

    /**
     * Sets/gets the id of the `label` element.
     * If not set, the id of the `label` in the first checkbox component will be `"igx-checkbox-0-label"`.
     *
     * @example
     * ```html
     * <igx-checkbox labelId="Label1"></igx-checkbox>
     * ```
     * ```typescript
     * let labelId =  this.component.labelId;
     * ```
     */
    @Input() public labelId = `${this.id}-label`;

    /**
     * Sets/gets the `value` attribute.
     *
     * @example
     * ```html
     * <igx-checkbox [value]="'CheckboxValue'"></igx-checkbox>
     * ```
     * ```typescript
     * let value =  this.checkbox.value;
     * ```
     */
    @Input() public value: any;

    /**
     * Sets/gets the `name` attribute.
     *
     * @example
     * ```html
     * <igx-checkbox name="Checkbox1"></igx-checkbox>
     * ```
     * ```typescript
     * let name =  this.checkbox.name;
     * ```
     */
    @Input() public name: string;

    /**
     * Sets/gets the value of the `tabindex` attribute.
     *
     * @example
     * ```html
     * <igx-checkbox [tabindex]="1"></igx-checkbox>
     * ```
     * ```typescript
     * let tabIndex =  this.checkbox.tabindex;
     * ```
     */
    @Input() public tabindex: number = null;

    /**
     *  Sets/gets the position of the `label`.
     *  If not set, the `labelPosition` will have value `"after"`.
     *
     * @example
     * ```html
     * <igx-checkbox labelPosition="before"></igx-checkbox>
     * ```
     * ```typescript
     * let labelPosition =  this.checkbox.labelPosition;
     * ```
     */
    @Input()
    public labelPosition: LabelPosition | string = LabelPosition.AFTER;

    /**
     * Enables/Disables the ripple effect.
     * If not set, `disableRipple` will have value `false`.
     *
     * @example
     * ```html
     * <igx-checkbox [disableRipple]="true"></igx-checkbox>
     * ```
     * ```typescript
     * let isRippleDisabled = this.checkbox.desableRipple;
     * ```
     */
    @Input({ transform: booleanAttribute })
    public disableRipple = false;

    /**
     * Sets/gets whether the checkbox is required.
     * If not set, `required` will have value `false`.
     *
     * @example
     * ```html
     * <igx-checkbox required></igx-checkbox>
     * ```
     * ```typescript
     * let isRequired = this.checkbox.required;
     * ```
     */
    @Input({ transform: booleanAttribute })
    public get required(): boolean {
        return this._required || this.nativeElement.hasAttribute('required');
    }
    public set required(value: boolean) {
        this._required = value;
    }

    /**
     * Sets/gets the `aria-labelledby` attribute.
     * If not set, the `aria-labelledby` will be equal to the value of `labelId` attribute.
     *
     * @example
     * ```html
     * <igx-checkbox aria-labelledby="Checkbox1"></igx-checkbox>
     * ```
     * ```typescript
     * let ariaLabelledBy = this.checkbox.ariaLabelledBy;
     * ```
     */
    @Input('aria-labelledby')
    public ariaLabelledBy = this.labelId;

    /**
     * Sets/gets the value of the `aria-label` attribute.
     *
     * @example
     * ```html
     * <igx-checkbox aria-label="Checkbox1"></igx-checkbox>
     * ```
     * ```typescript
     * let ariaLabel = this.checkbox.ariaLabel;
     * ```
     */
    @Input('aria-label')
    public ariaLabel: string | null = null;

    /**
     * Returns the class of the checkbox component.
     *
     * @example
     * ```typescript
     * let class = this.checkbox.cssClass;
     * ```
     */
    @HostBinding('class.igx-checkbox')
    public cssClass = 'igx-checkbox';

    /**
     * Returns if the component is of type `material`.
     *
     * @example
     * ```typescript
     * let checkbox = this.checkbox.material;
     * ```
     */
    @HostBinding('class.igx-checkbox--material')
    protected get material() {
        return this.theme === 'material';
    }

    /**
     * Returns if the component is of type `indigo`.
     *
     * @example
     * ```typescript
     * let checkbox = this.checkbox.indigo;
     * ```
     */
    @HostBinding('class.igx-checkbox--indigo')
    protected get indigo() {
        return this.theme === 'indigo';
    }

    /**
     * Returns if the component is of type `bootstrap`.
     *
     * @example
     * ```typescript
     * let checkbox = this.checkbox.bootstrap;
     * ```
     */
    @HostBinding('class.igx-checkbox--bootstrap')
    protected get bootstrap() {
        return this.theme === 'bootstrap';
    }

    /**
     * Returns if the component is of type `fluent`.
     *
     * @example
     * ```typescript
     * let checkbox = this.checkbox.fluent;
     * ```
     */
    @HostBinding('class.igx-checkbox--fluent')
    protected get fluent() {
        return this.theme === 'fluent';
    }

    /**
     * Sets/gets whether the checkbox component is on focus.
     * Default value is `false`.
     *
     * @example
     * ```typescript
     * this.checkbox.focused =  true;
     * ```
     * ```typescript
     * let isFocused = this.checkbox.focused;
     * ```
     */
    @HostBinding('class.igx-checkbox--focused')
    public focused = false;

    /**
     * Sets/gets the checkbox indeterminate visual state.
     * Default value is `false`;
     *
     * @example
     * ```html
     * <igx-checkbox [indeterminate]="true"></igx-checkbox>
     * ```
     * ```typescript
     * let isIndeterminate = this.checkbox.indeterminate;
     * ```
     */
    @HostBinding('class.igx-checkbox--indeterminate')
    @Input({ transform: booleanAttribute })
    public indeterminate = false;

    /**
     * Sets/gets whether the checkbox is checked.
     * Default value is `false`.
     *
     * @example
     * ```html
     * <igx-checkbox [checked]="true"></igx-checkbox>
     * ```
     * ```typescript
     * let isChecked =  this.checkbox.checked;
     * ```
     */
    @HostBinding('class.igx-checkbox--checked')
    @Input({ transform: booleanAttribute })
    public get checked() {
        return this._checked;
    }
    public set checked(value: boolean) {
        if (this._checked !== value) {
            this._checked = value;
            this._onChangeCallback(this._checked);
        }
    }

    /**
     * Sets/gets whether the checkbox is disabled.
     * Default value is `false`.
     *
     * @example
     * ```html
     * <igx-checkbox disabled></igx-checkbox>
     * ```
     * ```typescript
     * let isDisabled = this.checkbox.disabled;
     * ```
     */
    @HostBinding('class.igx-checkbox--disabled')
    @Input({ transform: booleanAttribute })
    public disabled = false;

    /**
     * Sets/gets whether the checkbox is invalid.
     * Default value is `false`.
     *
     * @example
     * ```html
     * <igx-checkbox invalid></igx-checkbox>
     * ```
     * ```typescript
     * let isInvalid = this.checkbox.invalid;
     * ```
     */
    @HostBinding('class.igx-checkbox--invalid')
    @Input({ transform: booleanAttribute })
    public invalid = false

    /**
     * Sets/gets whether the checkbox is readonly.
     * Default value is `false`.
     *
     * @example
     * ```html
     * <igx-checkbox [readonly]="true"></igx-checkbox>
     * ```
     * ```typescript
     * let readonly = this.checkbox.readonly;
     * ```
     */
    @Input({ transform: booleanAttribute })
    public readonly = false;

    /**
     * Sets/gets whether the checkbox should disable all css transitions.
     * Default value is `false`.
     *
     * @example
     * ```html
     * <igx-checkbox [disableTransitions]="true"></igx-checkbox>
     * ```
     * ```typescript
     * let disableTransitions = this.checkbox.disableTransitions;
     * ```
     */
    @HostBinding('class.igx-checkbox--plain')
    @Input({ transform: booleanAttribute })
    public disableTransitions = false;

    /**
     * @hidden
     * @internal
     */
    public inputId = `${this.id}-input`;

    /**
     * @hidden
     */
    protected _onChangeCallback: (_: any) => void = noop;

    /**
     * @hidden
     */
    private _onTouchedCallback: () => void = noop;

    /**
     * @hidden
     * @internal
     */
    protected _checked = false;

    /**
     * @hidden
     * @internal
     */
    protected theme: IgxTheme;

    /**
     * @hidden
     * @internal
     */
    private _required = false;
    private elRef = inject(ElementRef);
    private destroyRef = inject(DestroyRef);

    constructor(
        protected cdr: ChangeDetectorRef,
        protected renderer: Renderer2,
        @Inject(THEME_TOKEN)
        protected themeToken: ThemeToken,
        @Optional() @Self() public ngControl: NgControl,
    ) {
        if (this.ngControl !== null) {
            this.ngControl.valueAccessor = this;
        }

        this.theme = this.themeToken.theme;

        const { unsubscribe } = this.themeToken.onChange((theme) => {
            if (this.theme !== theme) {
                this.theme = theme;
                this.cdr.detectChanges();
            }
        });

        this.destroyRef.onDestroy(() => unsubscribe);
    }

    private setComponentTheme() {
        if(!this.themeToken.preferToken) {
            const theme = getComponentTheme(this.elRef.nativeElement);

            if (theme && theme !== this.theme) {
                this.theme = theme;
                this.cdr.markForCheck();
            }
        }
    }

    /**
     * @hidden
     * @internal
    */
    public ngAfterViewInit() {
        if (this.ngControl) {
            this.ngControl.statusChanges.pipe(takeUntil(this.destroy$)).subscribe(this.updateValidityState.bind(this));

            if (this.ngControl.control.validator || this.ngControl.control.asyncValidator) {
                this._required = this.ngControl?.control?.hasValidator(Validators.required);
                this.cdr.detectChanges();
            }
        }

        this.setComponentTheme();
    }

    /** @hidden @internal */
    @HostListener('keyup', ['$event'])
    public onKeyUp(event: KeyboardEvent) {
        event.stopPropagation();
        this.focused = true;
    }

    /** @hidden @internal */
    @HostListener('click', ['$event'])
    public _onCheckboxClick(event: PointerEvent | MouseEvent) {
        // Since the original checkbox is hidden and the label
        // is used for styling and to change the checked state of the checkbox,
        // we need to prevent the checkbox click event from bubbling up
        // as it gets triggered on label click
        // NOTE: The above is no longer valid, as the native checkbox is not labeled
        // by the SVG anymore.
        if (this.disabled || this.readonly) {
            // readonly prevents the component from changing state (see toggle() method).
            // However, the native checkbox can still be activated through user interaction (focus + space, label click)
            // Prevent the native change so the input remains in sync
            event.preventDefault();
            return;
        }

        this.nativeInput.nativeElement.focus();

        this.indeterminate = false;
        this.checked = !this.checked;
        this.updateValidityState();

        // K.D. March 23, 2021 Emitting on click and not on the setter because otherwise every component
        // bound on change would have to perform self checks for weather the value has changed because
        // of the initial set on initialization
        this.change.emit({ checked: this.checked, value: this.value, owner: this });
    }

    /**
     * @hidden
     * @internal
     */
    public get ariaChecked() {
        if (this.indeterminate) {
            return 'mixed';
        } else {
            return this.checked;
        }
    }

    /** @hidden @internal */
    public _onCheckboxChange(event: Event) {
        // We have to stop the original checkbox change event
        // from bubbling up since we emit our own change event
        event.stopPropagation();
    }

    /** @hidden @internal */
    @HostListener('blur')
    public onBlur() {
        this.focused = false;
        this._onTouchedCallback();
        this.updateValidityState();
    }

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

    /** @hidden @internal */
    public get labelClass(): string {
        switch (this.labelPosition) {
            case LabelPosition.BEFORE:
                return `${this.cssClass}__label--before`;
            case LabelPosition.AFTER:
            default:
                return `${this.cssClass}__label`;
        }
    }

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

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

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

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

    /**
     * @hidden
     * @internal
     */
    protected updateValidityState() {
        if (this.ngControl) {
            if (!this.disabled && !this.readonly &&
                (this.ngControl.control.touched || this.ngControl.control.dirty)) {
                // the control is not disabled and is touched or dirty
                this.invalid = this.ngControl.invalid;
            } else {
                //  if the control is untouched, pristine, or disabled, its state is initial. This is when the user did not interact
                //  with the checkbox or when the form/control is reset
                this.invalid = false;
            }
        } else {
            this.checkNativeValidity();
        }
    }

    /**
     * A function to assign a native validity property of a checkbox.
     * This should be used when there's no ngControl
     *
     * @hidden
     * @internal
     */
    private checkNativeValidity() {
        if (!this.disabled && this._required && !this.checked && !this.readonly) {
            this.invalid = true;
        } else {
            this.invalid = false;
        }
    }
}

1	import {
2	Component,
3	EventEmitter,
4	HostListener,
5	HostBinding,
6	Input,
7	Output,
8	ViewChild,
9	ElementRef,
10	AfterViewInit,
11	ChangeDetectorRef,
12	Renderer2,
13	Optional,
14	Self,
15	booleanAttribute,
16	inject,
17	DestroyRef,
18	Inject
19	} from '@angular/core';
20	import { ControlValueAccessor, NgControl, Validators } from '@angular/forms';
21	import { IgxRippleDirective } from '../directives/ripple/ripple.directive';
22	import { IBaseEventArgs, getComponentTheme, mkenum } from '../core/utils';
23	import { EditorProvider, EDITOR_PROVIDER } from '../core/edit-provider';
24	import { noop, Subject } from 'rxjs';
25	import { takeUntil } from 'rxjs/operators';
26	import { IgxTheme, THEME_TOKEN, ThemeToken } from '../services/theme/theme.token';
27
28	export const LabelPosition = /@__PURE__/mkenum({	2✔
29	BEFORE: 'before',
30	AFTER: 'after'
31	});
32	export type LabelPosition = typeof LabelPosition[keyof typeof LabelPosition];
33
34	export interface IChangeCheckboxEventArgs extends IBaseEventArgs {
35	checked: boolean;
36	value?: any;
37	}
38
39	let nextId = 0;	2✔
40	/**
41	* Allows users to make a binary choice for a certain condition.
42	*
43	* @igxModule IgxCheckboxModule
44	*
45	* @igxTheme igx-checkbox-theme
46	*
47	* @igxKeywords checkbox, label
48	*
49	* @igxGroup Data entry and display
50	*
51	* @remarks
52	* The Ignite UI Checkbox is a selection control that allows users to make a binary choice for a certain condition.It behaves similarly
53	* to the native browser checkbox.
54	*
55	* @example
56	* ```html
57	* <igx-checkbox [checked]="true">
58	* simple checkbox
59	* </igx-checkbox>
60	* ```
61	*/
62	@Component({
63	selector: 'igx-checkbox',
64	providers: [{
65	provide: EDITOR_PROVIDER,
66	useExisting: IgxCheckboxComponent,
67	multi: true
68	}],
69	preserveWhitespaces: false,
70	templateUrl: 'checkbox.component.html',
71	imports: [IgxRippleDirective]
72	})
73	export class IgxCheckboxComponent implements EditorProvider, AfterViewInit, ControlValueAccessor {	2✔
74
75	/**
76	* An event that is emitted after the checkbox state is changed.
77	* Provides references to the `IgxCheckboxComponent` and the `checked` property as event arguments.
78	*/
79	// eslint-disable-next-line @angular-eslint/no-output-native
80	@Output() public readonly change: EventEmitter<IChangeCheckboxEventArgs> = new EventEmitter<IChangeCheckboxEventArgs>();	8,189✔
81
82	/**
83	* @hidden
84	* @internal
85	*/
86	public destroy$ = new Subject<boolean>();	8,189✔
87
88	/**
89	* Returns reference to the native checkbox element.
90	*
91	* @example
92	* ```typescript
93	* let checkboxElement = this.component.checkboxElement;
94	* ```
95	*/
96	@ViewChild('checkbox', { static: true })
97	public nativeInput: ElementRef;
98
99	/**
100	* Returns reference to the native label element.
101	* ```typescript
102	*
103	* @example
104	* let labelElement = this.component.nativeLabel;
105	* ```
106	*/
107	@ViewChild('label', { static: true })
108	public nativeLabel: ElementRef;
109
110	/**
111	* Returns reference to the `nativeElement` of the igx-checkbox/igx-switch.
112	*
113	* @example
114	* ```typescript
115	* let nativeElement = this.component.nativeElement;
116	* ```
117	*/
118	public get nativeElement() {
119	return this.nativeInput.nativeElement;	116,718✔
120	}
121
122	/**
123	* Returns reference to the label placeholder element.
124	* ```typescript
125	*
126	* @example
127	* let labelPlaceholder = this.component.placeholderLabel;
128	* ```
129	*/
130	@ViewChild('placeholderLabel', { static: true })
131	public placeholderLabel: ElementRef;
132
133	/**
134	* Sets/gets the `id` of the checkbox component.
135	* If not set, the `id` of the first checkbox component will be `"igx-checkbox-0"`.
136	*
137	* @example
138	* ```html
139	* <igx-checkbox id="my-first-checkbox"></igx-checkbox>
140	* ```
141	* ```typescript
142	* let checkboxId = this.checkbox.id;
143	* ```
144	*/
145	@HostBinding('attr.id')
146	@Input()
147	public id = `igx-checkbox-${nextId++}`;	8,189✔
148
149	/**
150	* Sets/gets the id of the `label` element.
151	* If not set, the id of the `label` in the first checkbox component will be `"igx-checkbox-0-label"`.
152	*
153	* @example
154	* ```html
155	* <igx-checkbox labelId="Label1"></igx-checkbox>
156	* ```
157	* ```typescript
158	* let labelId = this.component.labelId;
159	* ```
160	*/
161	@Input() public labelId = `${this.id}-label`;	8,189✔
162
163	/**
164	* Sets/gets the `value` attribute.
165	*
166	* @example
167	* ```html
168	* <igx-checkbox [value]="'CheckboxValue'"></igx-checkbox>
169	* ```
170	* ```typescript
171	* let value = this.checkbox.value;
172	* ```
173	*/
174	@Input() public value: any;
175
176	/**
177	* Sets/gets the `name` attribute.
178	*
179	* @example
180	* ```html
181	* <igx-checkbox name="Checkbox1"></igx-checkbox>
182	* ```
183	* ```typescript
184	* let name = this.checkbox.name;
185	* ```
186	*/
187	@Input() public name: string;
188
189	/**
190	* Sets/gets the value of the `tabindex` attribute.
191	*
192	* @example
193	* ```html
194	* <igx-checkbox [tabindex]="1"></igx-checkbox>
195	* ```
196	* ```typescript
197	* let tabIndex = this.checkbox.tabindex;
198	* ```
199	*/
200	@Input() public tabindex: number = null;	8,189✔
201
202	/**
203	* Sets/gets the position of the `label`.
204	* If not set, the `labelPosition` will have value `"after"`.
205	*
206	* @example
207	* ```html
208	* <igx-checkbox labelPosition="before"></igx-checkbox>
209	* ```
210	* ```typescript
211	* let labelPosition = this.checkbox.labelPosition;
212	* ```
213	*/
214	@Input()
215	public labelPosition: LabelPosition \| string = LabelPosition.AFTER;	8,189✔
216
217	/**
218	* Enables/Disables the ripple effect.
219	* If not set, `disableRipple` will have value `false`.
220	*
221	* @example
222	* ```html
223	* <igx-checkbox [disableRipple]="true"></igx-checkbox>
224	* ```
225	* ```typescript
226	* let isRippleDisabled = this.checkbox.desableRipple;
227	* ```
228	*/
229	@Input({ transform: booleanAttribute })
230	public disableRipple = false;	8,189✔
231
232	/**
233	* Sets/gets whether the checkbox is required.
234	* If not set, `required` will have value `false`.
235	*
236	* @example
237	* ```html
238	* <igx-checkbox required></igx-checkbox>
239	* ```
240	* ```typescript
241	* let isRequired = this.checkbox.required;
242	* ```
243	*/
244	@Input({ transform: booleanAttribute })
245	public get required(): boolean {
246	return this._required \|\| this.nativeElement.hasAttribute('required');	116,866✔
247	}
248	public set required(value: boolean) {
249	this._required = value;	60✔
250	}
251
252	/**
253	* Sets/gets the `aria-labelledby` attribute.
254	* If not set, the `aria-labelledby` will be equal to the value of `labelId` attribute.
255	*
256	* @example
257	* ```html
258	* <igx-checkbox aria-labelledby="Checkbox1"></igx-checkbox>
259	* ```
260	* ```typescript
261	* let ariaLabelledBy = this.checkbox.ariaLabelledBy;
262	* ```
263	*/
264	@Input('aria-labelledby')
265	public ariaLabelledBy = this.labelId;	8,189✔
266
267	/**
268	* Sets/gets the value of the `aria-label` attribute.
269	*
270	* @example
271	* ```html
272	* <igx-checkbox aria-label="Checkbox1"></igx-checkbox>
273	* ```
274	* ```typescript
275	* let ariaLabel = this.checkbox.ariaLabel;
276	* ```
277	*/
278	@Input('aria-label')
279	public ariaLabel: string \| null = null;	8,189✔
280
281	/**
282	* Returns the class of the checkbox component.
283	*
284	* @example
285	* ```typescript
286	* let class = this.checkbox.cssClass;
287	* ```
288	*/
289	@HostBinding('class.igx-checkbox')
290	public cssClass = 'igx-checkbox';	8,189✔
291
292	/**
293	* Returns if the component is of type `material`.
294	*
295	* @example
296	* ```typescript
297	* let checkbox = this.checkbox.material;
298	* ```
299	*/
300	@HostBinding('class.igx-checkbox--material')
301	protected get material() {
302	return this.theme === 'material';	58,416✔
303	}
304
305	/**
306	* Returns if the component is of type `indigo`.
307	*
308	* @example
309	* ```typescript
310	* let checkbox = this.checkbox.indigo;
311	* ```
312	*/
313	@HostBinding('class.igx-checkbox--indigo')
314	protected get indigo() {
315	return this.theme === 'indigo';	58,416✔
316	}
317
318	/**
319	* Returns if the component is of type `bootstrap`.
320	*
321	* @example
322	* ```typescript
323	* let checkbox = this.checkbox.bootstrap;
324	* ```
325	*/
326	@HostBinding('class.igx-checkbox--bootstrap')
327	protected get bootstrap() {
328	return this.theme === 'bootstrap';	58,416✔
329	}
330
331	/**
332	* Returns if the component is of type `fluent`.
333	*
334	* @example
335	* ```typescript
336	* let checkbox = this.checkbox.fluent;
337	* ```
338	*/
339	@HostBinding('class.igx-checkbox--fluent')
340	protected get fluent() {
341	return this.theme === 'fluent';	58,416✔
342	}
343
344	/**
345	* Sets/gets whether the checkbox component is on focus.
346	* Default value is `false`.
347	*
348	* @example
349	* ```typescript
350	* this.checkbox.focused = true;
351	* ```
352	* ```typescript
353	* let isFocused = this.checkbox.focused;
354	* ```
355	*/
356	@HostBinding('class.igx-checkbox--focused')
357	public focused = false;	8,189✔
358
359	/**
360	* Sets/gets the checkbox indeterminate visual state.
361	* Default value is `false`;
362	*
363	* @example
364	* ```html
365	* <igx-checkbox [indeterminate]="true"></igx-checkbox>
366	* ```
367	* ```typescript
368	* let isIndeterminate = this.checkbox.indeterminate;
369	* ```
370	*/
371	@HostBinding('class.igx-checkbox--indeterminate')
372	@Input({ transform: booleanAttribute })
373	public indeterminate = false;	8,189✔
374
375	/**
376	* Sets/gets whether the checkbox is checked.
377	* Default value is `false`.
378	*
379	* @example
380	* ```html
381	* <igx-checkbox [checked]="true"></igx-checkbox>
382	* ```
383	* ```typescript
384	* let isChecked = this.checkbox.checked;
385	* ```
386	*/
387	@HostBinding('class.igx-checkbox--checked')
388	@Input({ transform: booleanAttribute })
389	public get checked() {
390	return this._checked;	174,173✔
391	}
392	public set checked(value: boolean) {
393	if (this._checked !== value) {	10,368✔
394	this._checked = value;	4,048✔
395	this._onChangeCallback(this._checked);	4,048✔
396	}
397	}
398
399	/**
400	* Sets/gets whether the checkbox is disabled.
401	* Default value is `false`.
402	*
403	* @example
404	* ```html
405	* <igx-checkbox disabled></igx-checkbox>
406	* ```
407	* ```typescript
408	* let isDisabled = this.checkbox.disabled;
409	* ```
410	*/
411	@HostBinding('class.igx-checkbox--disabled')
412	@Input({ transform: booleanAttribute })
413	public disabled = false;	8,189✔
414
415	/**
416	* Sets/gets whether the checkbox is invalid.
417	* Default value is `false`.
418	*
419	* @example
420	* ```html
421	* <igx-checkbox invalid></igx-checkbox>
422	* ```
423	* ```typescript
424	* let isInvalid = this.checkbox.invalid;
425	* ```
426	*/
427	@HostBinding('class.igx-checkbox--invalid')
428	@Input({ transform: booleanAttribute })
429	public invalid = false	8,189✔
430
431	/**
432	* Sets/gets whether the checkbox is readonly.
433	* Default value is `false`.
434	*
435	* @example
436	* ```html
437	* <igx-checkbox [readonly]="true"></igx-checkbox>
438	* ```
439	* ```typescript
440	* let readonly = this.checkbox.readonly;
441	* ```
442	*/
443	@Input({ transform: booleanAttribute })
444	public readonly = false;	8,189✔
445
446	/**
447	* Sets/gets whether the checkbox should disable all css transitions.
448	* Default value is `false`.
449	*
450	* @example
451	* ```html
452	* <igx-checkbox [disableTransitions]="true"></igx-checkbox>
453	* ```
454	* ```typescript
455	* let disableTransitions = this.checkbox.disableTransitions;
456	* ```
457	*/
458	@HostBinding('class.igx-checkbox--plain')
459	@Input({ transform: booleanAttribute })
460	public disableTransitions = false;	8,189✔
461
462	/**
463	* @hidden
464	* @internal
465	*/
466	public inputId = `${this.id}-input`;	8,189✔
467
468	/**
469	* @hidden
470	*/
471	protected _onChangeCallback: (_: any) => void = noop;	8,189✔
472
473	/**
474	* @hidden
475	*/
476	private _onTouchedCallback: () => void = noop;	8,189✔
477
478	/**
479	* @hidden
480	* @internal
481	*/
482	protected _checked = false;	8,189✔
483
484	/**
485	* @hidden
486	* @internal
487	*/
488	protected theme: IgxTheme;
489
490	/**
491	* @hidden
492	* @internal
493	*/
494	private _required = false;	8,189✔
495	private elRef = inject(ElementRef);	8,189✔
496	private destroyRef = inject(DestroyRef);	8,189✔
497
498	constructor(
499	protected cdr: ChangeDetectorRef,	8,189✔
500	protected renderer: Renderer2,	8,189✔
501	@Inject(THEME_TOKEN)
502	protected themeToken: ThemeToken,	8,189✔
503	@Optional() @Self() public ngControl: NgControl,	8,189✔
504	) {
505	if (this.ngControl !== null) {	8,189✔
506	this.ngControl.valueAccessor = this;	44✔
507	}
508
509	this.theme = this.themeToken.theme;	8,189✔
510
511	const { unsubscribe } = this.themeToken.onChange((theme) => {	8,189✔
512	if (this.theme !== theme) {	8,189!
NEW 513	this.theme = theme;	×
NEW 514	this.cdr.detectChanges();	×
515	}
516	});
517
518	this.destroyRef.onDestroy(() => unsubscribe);	8,189✔
519	}
520
521	private setComponentTheme() {
522	if(!this.themeToken.preferToken) {	8,187✔
523	const theme = getComponentTheme(this.elRef.nativeElement);	8,187✔
524
525	if (theme && theme !== this.theme) {	8,187!
NEW 526	this.theme = theme;	×
NEW 527	this.cdr.markForCheck();	×
528	}
529	}
530	}
531
532	/**
533	* @hidden
534	* @internal
535	*/
536	public ngAfterViewInit() {
537	if (this.ngControl) {	8,187✔
538	this.ngControl.statusChanges.pipe(takeUntil(this.destroy$)).subscribe(this.updateValidityState.bind(this));	44✔
539
540	if (this.ngControl.control.validator \|\| this.ngControl.control.asyncValidator) {	44✔
541	this._required = this.ngControl?.control?.hasValidator(Validators.required);	9✔
542	this.cdr.detectChanges();	9✔
543	}
544	}
545
546	this.setComponentTheme();	8,187✔
547	}
548
549	/** @hidden @internal */
550	@HostListener('keyup', ['$event'])
551	public onKeyUp(event: KeyboardEvent) {
552	event.stopPropagation();	14✔
553	this.focused = true;	14✔
554	}
555
556	/** @hidden @internal */
557	@HostListener('click', ['$event'])
558	public _onCheckboxClick(event: PointerEvent \| MouseEvent) {
559	// Since the original checkbox is hidden and the label
560	// is used for styling and to change the checked state of the checkbox,
561	// we need to prevent the checkbox click event from bubbling up
562	// as it gets triggered on label click
563	// NOTE: The above is no longer valid, as the native checkbox is not labeled
564	// by the SVG anymore.
565	if (this.disabled \|\| this.readonly) {	152✔
566	// readonly prevents the component from changing state (see toggle() method).
567	// However, the native checkbox can still be activated through user interaction (focus + space, label click)
568	// Prevent the native change so the input remains in sync
569	event.preventDefault();	71✔
570	return;	71✔
571	}
572
573	this.nativeInput.nativeElement.focus();	81✔
574
575	this.indeterminate = false;	81✔
576	this.checked = !this.checked;	81✔
577	this.updateValidityState();	81✔
578
579	// K.D. March 23, 2021 Emitting on click and not on the setter because otherwise every component
580	// bound on change would have to perform self checks for weather the value has changed because
581	// of the initial set on initialization
582	this.change.emit({ checked: this.checked, value: this.value, owner: this });	81✔
583	}
584
585	/**
586	* @hidden
587	* @internal
588	*/
589	public get ariaChecked() {
590	if (this.indeterminate) {	58,065✔
591	return 'mixed';	1,046✔
592	} else {
593	return this.checked;	57,019✔
594	}
595	}
596
597	/** @hidden @internal */
598	public _onCheckboxChange(event: Event) {
599	// We have to stop the original checkbox change event
600	// from bubbling up since we emit our own change event
601	event.stopPropagation();	60✔
602	}
603
604	/** @hidden @internal */
605	@HostListener('blur')
606	public onBlur() {
607	this.focused = false;	51✔
608	this._onTouchedCallback();	51✔
609	this.updateValidityState();	51✔
610	}
611
612	/** @hidden @internal */
613	public writeValue(value: boolean) {
614	this._checked = value;	53✔
615	}
616
617	/** @hidden @internal */
618	public get labelClass(): string {
619	switch (this.labelPosition) {	58,425✔
620	case LabelPosition.BEFORE:
621	return `${this.cssClass}__label--before`;	6✔
622	case LabelPosition.AFTER:
623	default:
624	return `${this.cssClass}__label`;	58,419✔
625	}
626	}
627
628	/** @hidden @internal */
629	public registerOnChange(fn: (_: any) => void) {
630	this._onChangeCallback = fn;	66✔
631	}
632
633	/** @hidden @internal */
634	public registerOnTouched(fn: () => void) {
635	this._onTouchedCallback = fn;	80✔
636	}
637
638	/** @hidden @internal */
639	public setDisabledState(isDisabled: boolean) {
640	this.disabled = isDisabled;	45✔
641	}
642
643	/** @hidden @internal */
644	public getEditElement() {
645	return this.nativeInput.nativeElement;	26✔
646	}
647
648	/**
649	* @hidden
650	* @internal
651	*/
652	protected updateValidityState() {
653	if (this.ngControl) {	187✔
654	if (!this.disabled && !this.readonly &&	77✔
655	(this.ngControl.control.touched \|\| this.ngControl.control.dirty)) {
656	// the control is not disabled and is touched or dirty
657	this.invalid = this.ngControl.invalid;	42✔
658	} else {
659	// if the control is untouched, pristine, or disabled, its state is initial. This is when the user did not interact
660	// with the checkbox or when the form/control is reset
661	this.invalid = false;	35✔
662	}
663	} else {
664	this.checkNativeValidity();	110✔
665	}
666	}
667
668	/**
669	* A function to assign a native validity property of a checkbox.
670	* This should be used when there's no ngControl
671	*
672	* @hidden
673	* @internal
674	*/
675	private checkNativeValidity() {
676	if (!this.disabled && this._required && !this.checked && !this.readonly) {	110✔
677	this.invalid = true;	8✔
678	} else {
679	this.invalid = false;	102✔
680	}
681	}
682	}

IgniteUI / igniteui-angular / 12259520118

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