@taiga-ui/kit
Version:
Taiga UI Angular main components kit
78 lines • 13.4 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { Directive, EventEmitter, inject, Output } from '@angular/core';
import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { tuiTypedFromEvent } from '@taiga-ui/cdk/observables';
import { tuiInjectElement } from '@taiga-ui/cdk/utils/dom';
import { tuiClamp, tuiRound } from '@taiga-ui/cdk/utils/math';
import { TUI_FLOATING_PRECISION } from '@taiga-ui/kit/components/slider';
import { map, repeat, startWith, switchMap, takeUntil, tap } from 'rxjs';
import { TuiRange } from './range.component';
import * as i0 from "@angular/core";
class TuiRangeChange {
constructor() {
this.doc = inject(DOCUMENT);
this.el = tuiInjectElement();
this.range = inject(TuiRange);
// TODO(v5): use 'start' | 'end' instead
this.activeThumbChange = new EventEmitter();
let activeThumb;
tuiTypedFromEvent(this.el, 'pointerdown', {
passive: true,
capture: true,
})
.pipe(tap(({ clientX, target, pointerId }) => {
activeThumb = this.detectActiveThumb(clientX, target);
this.range.slidersRefs
.get(activeThumb === 'start' ? 0 : 1)
?.nativeElement.setPointerCapture(pointerId);
// TODO(v5): remove backward compatibility
this.activeThumbChange.emit(activeThumb === 'start' ? 'left' : 'right');
if (this.range.focusable) {
this.el.focus();
}
}), switchMap((event) => tuiTypedFromEvent(this.doc, 'pointermove').pipe(startWith(event))), map(({ clientX }) => this.getFractionFromEvents(clientX ?? 0)), takeUntil(tuiTypedFromEvent(this.doc, 'pointerup', { passive: true })), repeat(), takeUntilDestroyed())
.subscribe((fraction) => {
const value = this.range.toValue(fraction);
this.range.processValue(value, activeThumb === 'end');
});
}
getFractionFromEvents(clickClientX) {
const { left, right, width } = this.el.getBoundingClientRect();
const start = this.el.matches('[dir="rtl"] :scope') ? right : left;
const value = Math.abs(tuiClamp(clickClientX, left, right) - start);
return tuiRound(value / width, TUI_FLOATING_PRECISION);
}
detectActiveThumb(clientX, target) {
const [startSliderRef, endSliderRef] = this.range.slidersRefs;
switch (target) {
case endSliderRef?.nativeElement:
return 'end';
case startSliderRef?.nativeElement:
return 'start';
default:
return this.findNearestActiveThumb(clientX);
}
}
findNearestActiveThumb(clientX) {
const fraction = this.getFractionFromEvents(clientX);
const deltaStart = fraction * 100 - this.range.start();
const deltaEnd = fraction * 100 - 100 + this.range.end();
return Math.abs(deltaStart) > Math.abs(deltaEnd) ||
deltaEnd > 0 ||
(this.range.start() === 0 && this.range.end() === 100)
? 'end'
: 'start';
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiRangeChange, deps: [], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.2.12", type: TuiRangeChange, isStandalone: true, outputs: { activeThumbChange: "activeThumbChange" }, ngImport: i0 }); }
}
export { TuiRangeChange };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TuiRangeChange, decorators: [{
type: Directive,
args: [{
standalone: true,
}]
}], ctorParameters: function () { return []; }, propDecorators: { activeThumbChange: [{
type: Output
}] } });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"range-change.directive.js","sourceRoot":"","sources":["../../../../../projects/kit/components/range/range-change.directive.ts"],"names":[],"mappings":"AAAA,OAAO,EAAC,QAAQ,EAAC,MAAM,iBAAiB,CAAC;AACzC,OAAO,EAAC,SAAS,EAAE,YAAY,EAAE,MAAM,EAAE,MAAM,EAAC,MAAM,eAAe,CAAC;AACtE,OAAO,EAAC,kBAAkB,EAAC,MAAM,4BAA4B,CAAC;AAC9D,OAAO,EAAC,iBAAiB,EAAC,MAAM,2BAA2B,CAAC;AAC5D,OAAO,EAAC,gBAAgB,EAAC,MAAM,yBAAyB,CAAC;AACzD,OAAO,EAAC,QAAQ,EAAE,QAAQ,EAAC,MAAM,0BAA0B,CAAC;AAC5D,OAAO,EAAC,sBAAsB,EAAC,MAAM,iCAAiC,CAAC;AACvE,OAAO,EAAC,GAAG,EAAE,MAAM,EAAE,SAAS,EAAE,SAAS,EAAE,SAAS,EAAE,GAAG,EAAC,MAAM,MAAM,CAAC;AAEvE,OAAO,EAAC,QAAQ,EAAC,MAAM,mBAAmB,CAAC;;AAE3C,MAGa,cAAc;IASvB;QARiB,QAAG,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAC;QACvB,OAAE,GAAG,gBAAgB,EAAE,CAAC;QACxB,UAAK,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAC;QAE1C,wCAAwC;QAExB,sBAAiB,GAAG,IAAI,YAAY,EAAoB,CAAC;QAGrE,IAAI,WAA4B,CAAC;QAEjC,iBAAiB,CAAC,IAAI,CAAC,EAAE,EAAE,aAAa,EAAE;YACtC,OAAO,EAAE,IAAI;YACb,OAAO,EAAE,IAAI;SAChB,CAAC;aACG,IAAI,CACD,GAAG,CAAC,CAAC,EAAC,OAAO,EAAE,MAAM,EAAE,SAAS,EAAC,EAAE,EAAE;YACjC,WAAW,GAAG,IAAI,CAAC,iBAAiB,CAAC,OAAO,EAAE,MAAM,CAAC,CAAC;YACtD,IAAI,CAAC,KAAK,CAAC,WAAW;iBACjB,GAAG,CAAC,WAAW,KAAK,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;gBACrC,EAAE,aAAa,CAAC,iBAAiB,CAAC,SAAS,CAAC,CAAC;YACjD,0CAA0C;YAC1C,IAAI,CAAC,iBAAiB,CAAC,IAAI,CACvB,WAAW,KAAK,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,OAAO,CAC7C,CAAC;YAEF,IAAI,IAAI,CAAC,KAAK,CAAC,SAAS,EAAE;gBACtB,IAAI,CAAC,EAAE,CAAC,KAAK,EAAE,CAAC;aACnB;QACL,CAAC,CAAC,EACF,SAAS,CAAC,CAAC,KAAK,EAAE,EAAE,CAChB,iBAAiB,CAAC,IAAI,CAAC,GAAG,EAAE,aAAa,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,CAAC,CACpE,EACD,GAAG,CAAC,CAAC,EAAC,OAAO,EAAC,EAAE,EAAE,CAAC,IAAI,CAAC,qBAAqB,CAAC,OAAO,IAAI,CAAC,CAAC,CAAC,EAC5D,SAAS,CAAC,iBAAiB,CAAC,IAAI,CAAC,GAAG,EAAE,WAAW,EAAE,EAAC,OAAO,EAAE,IAAI,EAAC,CAAC,CAAC,EACpE,MAAM,EAAE,EACR,kBAAkB,EAAE,CACvB;aACA,SAAS,CAAC,CAAC,QAAQ,EAAE,EAAE;YACpB,MAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC;YAE3C,IAAI,CAAC,KAAK,CAAC,YAAY,CAAC,KAAK,EAAE,WAAW,KAAK,KAAK,CAAC,CAAC;QAC1D,CAAC,CAAC,CAAC;IACX,CAAC;IAEO,qBAAqB,CAAC,YAAoB;QAC9C,MAAM,EAAC,IAAI,EAAE,KAAK,EAAE,KAAK,EAAC,GAAG,IAAI,CAAC,EAAE,CAAC,qBAAqB,EAAE,CAAC;QAC7D,MAAM,KAAK,GAAG,IAAI,CAAC,EAAE,CAAC,OAAO,CAAC,oBAAoB,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC;QACnE,MAAM,KAAK,GAAG,IAAI,CAAC,GAAG,CAAC,QAAQ,CAAC,YAAY,EAAE,IAAI,EAAE,KAAK,CAAC,GAAG,KAAK,CAAC,CAAC;QAEpE,OAAO,QAAQ,CAAC,KAAK,GAAG,KAAK,EAAE,sBAAsB,CAAC,CAAC;IAC3D,CAAC;IAEO,iBAAiB,CACrB,OAAe,EACf,MAA0B;QAE1B,MAAM,CAAC,cAAc,EAAE,YAAY,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,WAAW,CAAC;QAE9D,QAAQ,MAAM,EAAE;YACZ,KAAK,YAAY,EAAE,aAAa;gBAC5B,OAAO,KAAK,CAAC;YACjB,KAAK,cAAc,EAAE,aAAa;gBAC9B,OAAO,OAAO,CAAC;YACnB;gBACI,OAAO,IAAI,CAAC,sBAAsB,CAAC,OAAO,CAAC,CAAC;SACnD;IACL,CAAC;IAEO,sBAAsB,CAAC,OAAe;QAC1C,MAAM,QAAQ,GAAG,IAAI,CAAC,qBAAqB,CAAC,OAAO,CAAC,CAAC;QACrD,MAAM,UAAU,GAAG,QAAQ,GAAG,GAAG,GAAG,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE,CAAC;QACvD,MAAM,QAAQ,GAAG,QAAQ,GAAG,GAAG,GAAG,GAAG,GAAG,IAAI,CAAC,KAAK,CAAC,GAAG,EAAE,CAAC;QAEzD,OAAO,IAAI,CAAC,GAAG,CAAC,UAAU,CAAC,GAAG,IAAI,CAAC,GAAG,CAAC,QAAQ,CAAC;YAC5C,QAAQ,GAAG,CAAC;YACZ,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE,KAAK,CAAC,IAAI,IAAI,CAAC,KAAK,CAAC,GAAG,EAAE,KAAK,GAAG,CAAC;YACtD,CAAC,CAAC,KAAK;YACP,CAAC,CAAC,OAAO,CAAC;IAClB,CAAC;+GAhFQ,cAAc;mGAAd,cAAc;;SAAd,cAAc;4FAAd,cAAc;kBAH1B,SAAS;mBAAC;oBACP,UAAU,EAAE,IAAI;iBACnB;0EAQmB,iBAAiB;sBADhC,MAAM","sourcesContent":["import {DOCUMENT} from '@angular/common';\nimport {Directive, EventEmitter, inject, Output} from '@angular/core';\nimport {takeUntilDestroyed} from '@angular/core/rxjs-interop';\nimport {tuiTypedFromEvent} from '@taiga-ui/cdk/observables';\nimport {tuiInjectElement} from '@taiga-ui/cdk/utils/dom';\nimport {tuiClamp, tuiRound} from '@taiga-ui/cdk/utils/math';\nimport {TUI_FLOATING_PRECISION} from '@taiga-ui/kit/components/slider';\nimport {map, repeat, startWith, switchMap, takeUntil, tap} from 'rxjs';\n\nimport {TuiRange} from './range.component';\n\n@Directive({\n    standalone: true,\n})\nexport class TuiRangeChange {\n    private readonly doc = inject(DOCUMENT);\n    private readonly el = tuiInjectElement();\n    private readonly range = inject(TuiRange);\n\n    // TODO(v5): use 'start' | 'end' instead\n    @Output()\n    public readonly activeThumbChange = new EventEmitter<'left' | 'right'>();\n\n    constructor() {\n        let activeThumb: 'end' | 'start';\n\n        tuiTypedFromEvent(this.el, 'pointerdown', {\n            passive: true,\n            capture: true,\n        })\n            .pipe(\n                tap(({clientX, target, pointerId}) => {\n                    activeThumb = this.detectActiveThumb(clientX, target);\n                    this.range.slidersRefs\n                        .get(activeThumb === 'start' ? 0 : 1)\n                        ?.nativeElement.setPointerCapture(pointerId);\n                    // TODO(v5): remove backward compatibility\n                    this.activeThumbChange.emit(\n                        activeThumb === 'start' ? 'left' : 'right',\n                    );\n\n                    if (this.range.focusable) {\n                        this.el.focus();\n                    }\n                }),\n                switchMap((event) =>\n                    tuiTypedFromEvent(this.doc, 'pointermove').pipe(startWith(event)),\n                ),\n                map(({clientX}) => this.getFractionFromEvents(clientX ?? 0)),\n                takeUntil(tuiTypedFromEvent(this.doc, 'pointerup', {passive: true})),\n                repeat(),\n                takeUntilDestroyed(),\n            )\n            .subscribe((fraction) => {\n                const value = this.range.toValue(fraction);\n\n                this.range.processValue(value, activeThumb === 'end');\n            });\n    }\n\n    private getFractionFromEvents(clickClientX: number): number {\n        const {left, right, width} = this.el.getBoundingClientRect();\n        const start = this.el.matches('[dir=\"rtl\"] :scope') ? right : left;\n        const value = Math.abs(tuiClamp(clickClientX, left, right) - start);\n\n        return tuiRound(value / width, TUI_FLOATING_PRECISION);\n    }\n\n    private detectActiveThumb(\n        clientX: number,\n        target: EventTarget | null,\n    ): 'end' | 'start' {\n        const [startSliderRef, endSliderRef] = this.range.slidersRefs;\n\n        switch (target) {\n            case endSliderRef?.nativeElement:\n                return 'end';\n            case startSliderRef?.nativeElement:\n                return 'start';\n            default:\n                return this.findNearestActiveThumb(clientX);\n        }\n    }\n\n    private findNearestActiveThumb(clientX: number): 'end' | 'start' {\n        const fraction = this.getFractionFromEvents(clientX);\n        const deltaStart = fraction * 100 - this.range.start();\n        const deltaEnd = fraction * 100 - 100 + this.range.end();\n\n        return Math.abs(deltaStart) > Math.abs(deltaEnd) ||\n            deltaEnd > 0 ||\n            (this.range.start() === 0 && this.range.end() === 100)\n            ? 'end'\n            : 'start';\n    }\n}\n"]}