@taiga-ui/core
Version:
Core library for creating Angular components and applications using Taiga UI
110 lines • 15.6 kB
JavaScript
import { coerceArray } from '@angular/cdk/coercion';
import { ChangeDetectorRef, Directive, inject, INJECTOR, Input, signal, TemplateRef, } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { tuiZonefreeScheduler } from '@taiga-ui/cdk/observables';
import { tuiInjectElement } from '@taiga-ui/cdk/utils/dom';
import { tuiAsRectAccessor, tuiAsVehicle, } from '@taiga-ui/core/classes';
import { tuiCheckFixedPosition } from '@taiga-ui/core/utils';
import { PolymorpheusComponent, PolymorpheusTemplate, } from '@taiga-ui/polymorpheus';
import { Subject, throttleTime } from 'rxjs';
import { TuiDropdownDriver, TuiDropdownDriverDirective } from './dropdown.driver';
import { TUI_DROPDOWN_COMPONENT } from './dropdown.providers';
import { TuiDropdownService } from './dropdown.service';
import { TuiDropdownPosition } from './dropdown-position.directive';
import * as i0 from "@angular/core";
import * as i1 from "./dropdown.driver";
import * as i2 from "./dropdown-position.directive";
class TuiDropdownDirective {
constructor() {
this.refresh$ = new Subject();
this.service = inject(TuiDropdownService);
this.cdr = inject(ChangeDetectorRef);
// TODO: think of a better solution later
this.drivers = coerceArray(inject(TuiDropdownDriver, { self: true, optional: true }));
this.sub = this.refresh$
.pipe(throttleTime(0, tuiZonefreeScheduler()), takeUntilDestroyed())
.subscribe(() => {
this.ref()?.changeDetectorRef.detectChanges();
this.ref()?.changeDetectorRef.markForCheck();
});
this.el = tuiInjectElement();
this.type = 'dropdown';
this.component = new PolymorpheusComponent(inject(TUI_DROPDOWN_COMPONENT), inject(INJECTOR));
this.ref = signal(null);
// TODO(v5): rename to `content`
// eslint-disable-next-line @typescript-eslint/naming-convention
this._content = signal(null);
}
set tuiDropdown(content) {
this._content.set(content instanceof TemplateRef
? new PolymorpheusTemplate(content, this.cdr)
: content);
if (!this._content()) {
this.toggle(false);
}
}
get position() {
return tuiCheckFixedPosition(this.el) ? 'fixed' : 'absolute';
}
// TODO(v5): delete
get content() {
return this._content();
}
// TODO(v5): delete
set content(x) {
this._content.set(x);
}
ngAfterViewChecked() {
this.refresh$.next();
}
ngOnDestroy() {
this.toggle(false);
}
getClientRect() {
return this.el.getBoundingClientRect();
}
toggle(show) {
const ref = this.ref();
if (show && this._content() && !ref) {
this.ref.set(this.service.add(this.component));
}
else if (!show && ref) {
this.ref.set(null);
this.service.remove(ref);
}
this.drivers.forEach((driver) => driver?.next(show));
// TODO: Remove in v5, only needed in Angular 16
this.cdr.markForCheck();
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiDropdownDirective, deps: [], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.2.12", type: TuiDropdownDirective, isStandalone: true, selector: "[tuiDropdown]:not(ng-container):not(ng-template)", inputs: { tuiDropdown: "tuiDropdown" }, host: { properties: { "class.tui-dropdown-open": "ref()" } }, providers: [
tuiAsRectAccessor(TuiDropdownDirective),
tuiAsVehicle(TuiDropdownDirective),
], exportAs: ["tuiDropdown"], hostDirectives: [{ directive: i1.TuiDropdownDriverDirective }, { directive: i2.TuiDropdownPosition, outputs: ["tuiDropdownDirectionChange", "tuiDropdownDirectionChange"] }], ngImport: i0 }); }
}
export { TuiDropdownDirective };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiDropdownDirective, decorators: [{
type: Directive,
args: [{
standalone: true,
selector: '[tuiDropdown]:not(ng-container):not(ng-template)',
providers: [
tuiAsRectAccessor(TuiDropdownDirective),
tuiAsVehicle(TuiDropdownDirective),
],
exportAs: 'tuiDropdown',
hostDirectives: [
TuiDropdownDriverDirective,
{
directive: TuiDropdownPosition,
outputs: ['tuiDropdownDirectionChange'],
},
],
host: {
'[class.tui-dropdown-open]': 'ref()',
},
}]
}], propDecorators: { tuiDropdown: [{
type: Input
}] } });
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{coerceArray} from '@angular/cdk/coercion';\nimport {\n    type AfterViewChecked,\n    ChangeDetectorRef,\n    type ComponentRef,\n    Directive,\n    inject,\n    INJECTOR,\n    Input,\n    type OnDestroy,\n    signal,\n    TemplateRef,\n} from '@angular/core';\nimport {takeUntilDestroyed} from '@angular/core/rxjs-interop';\nimport {tuiZonefreeScheduler} from '@taiga-ui/cdk/observables';\nimport {type TuiContext} from '@taiga-ui/cdk/types';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {\n    tuiAsRectAccessor,\n    tuiAsVehicle,\n    type TuiRectAccessor,\n    type TuiVehicle,\n} from '@taiga-ui/core/classes';\nimport {type TuiPortalItem} from '@taiga-ui/core/types';\nimport {tuiCheckFixedPosition} from '@taiga-ui/core/utils';\nimport {\n    PolymorpheusComponent,\n    type PolymorpheusContent,\n    PolymorpheusTemplate,\n} from '@taiga-ui/polymorpheus';\nimport {Subject, throttleTime} from 'rxjs';\n\nimport {TuiDropdownDriver, TuiDropdownDriverDirective} from './dropdown.driver';\nimport {TUI_DROPDOWN_COMPONENT} from './dropdown.providers';\nimport {TuiDropdownService} from './dropdown.service';\nimport {TuiDropdownPosition} from './dropdown-position.directive';\n\n@Directive({\n    standalone: true,\n    selector: '[tuiDropdown]:not(ng-container):not(ng-template)',\n    providers: [\n        tuiAsRectAccessor(TuiDropdownDirective),\n        tuiAsVehicle(TuiDropdownDirective),\n    ],\n    exportAs: 'tuiDropdown',\n    hostDirectives: [\n        TuiDropdownDriverDirective,\n        {\n            directive: TuiDropdownPosition,\n            outputs: ['tuiDropdownDirectionChange'],\n        },\n    ],\n    host: {\n        '[class.tui-dropdown-open]': 'ref()',\n    },\n})\nexport class TuiDropdownDirective\n    implements AfterViewChecked, OnDestroy, TuiPortalItem, TuiRectAccessor, TuiVehicle\n{\n    private readonly refresh$ = new Subject<void>();\n    private readonly service = inject(TuiDropdownService);\n    private readonly cdr = inject(ChangeDetectorRef);\n\n    // TODO: think of a better solution later\n    private readonly drivers = coerceArray(\n        inject(TuiDropdownDriver, {self: true, optional: true}),\n    );\n\n    protected readonly sub = this.refresh$\n        .pipe(throttleTime(0, tuiZonefreeScheduler()), takeUntilDestroyed())\n        .subscribe(() => {\n            this.ref()?.changeDetectorRef.detectChanges();\n            this.ref()?.changeDetectorRef.markForCheck();\n        });\n\n    public readonly el = tuiInjectElement();\n    public readonly type = 'dropdown';\n    public readonly component = new PolymorpheusComponent(\n        inject(TUI_DROPDOWN_COMPONENT),\n        inject(INJECTOR),\n    );\n\n    public ref = signal<ComponentRef<unknown> | null>(null);\n    // TODO(v5): rename to `content`\n    // eslint-disable-next-line @typescript-eslint/naming-convention\n    public readonly _content = signal<PolymorpheusContent<TuiContext<() => void>>>(null);\n\n    @Input()\n    public set tuiDropdown(content: PolymorpheusContent<TuiContext<() => void>>) {\n        this._content.set(\n            content instanceof TemplateRef\n                ? new PolymorpheusTemplate(content, this.cdr)\n                : content,\n        );\n\n        if (!this._content()) {\n            this.toggle(false);\n        }\n    }\n\n    public get position(): 'absolute' | 'fixed' {\n        return tuiCheckFixedPosition(this.el) ? 'fixed' : 'absolute';\n    }\n\n    // TODO(v5): delete\n    public get content(): PolymorpheusContent<TuiContext<() => void>> {\n        return this._content();\n    }\n\n    // TODO(v5): delete\n    public set content(x: PolymorpheusContent<TuiContext<() => void>>) {\n        this._content.set(x);\n    }\n\n    public ngAfterViewChecked(): void {\n        this.refresh$.next();\n    }\n\n    public ngOnDestroy(): void {\n        this.toggle(false);\n    }\n\n    public getClientRect(): DOMRect {\n        return this.el.getBoundingClientRect();\n    }\n\n    public toggle(show: boolean): void {\n        const ref = this.ref();\n\n        if (show && this._content() && !ref) {\n            this.ref.set(this.service.add(this.component));\n        } else if (!show && ref) {\n            this.ref.set(null);\n            this.service.remove(ref);\n        }\n\n        this.drivers.forEach((driver) => driver?.next(show));\n\n        // TODO: Remove in v5, only needed in Angular 16\n        this.cdr.markForCheck();\n    }\n}\n"]}