igniteui-webcomponents/components/slider/slider.js

Ignite UI for Web Components is a complete library of UI components, giving you the ability to build modern web applications using encapsulation and the concept of reusable components in a dependency-free approach.

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { property } from 'lit/decorators.js';
import { registerComponent } from '../common/definitions/register.js';
import { EventEmitterMixin } from '../common/mixins/event-emitter.js';
import { FormAssociatedMixin } from '../common/mixins/forms/associated.js';
import { createFormValueState, defaultNumberTransformers, } from '../common/mixins/forms/form-value.js';
import { asNumber, asPercent, clamp } from '../common/util.js';
import { IgcSliderBaseComponent } from './slider-base.js';
import IgcSliderLabelComponent from './slider-label.js';
class IgcSliderComponent extends FormAssociatedMixin(EventEmitterMixin(IgcSliderBaseComponent)) {
    static register() {
        registerComponent(IgcSliderComponent, IgcSliderLabelComponent);
    }
    set value(value) {
        this._formValue.setValueAndFormState(this.validateValue(asNumber(value, this._formValue.value)));
    }
    get value() {
        return this._formValue.value;
    }
    get activeValue() {
        return this.value;
    }
    constructor() {
        super();
        this._formValue = createFormValueState(this, {
            initialValue: 0,
            transformers: defaultNumberTransformers,
        });
    }
    normalizeValue() {
        this.value = this.validateValue(this.value);
    }
    getTrackStyle() {
        return {
            width: `${asPercent(this.value - this.min, this.distance)}%`,
        };
    }
    updateValue(increment) {
        const value = clamp(this.value + increment, this.lowerBound, this.upperBound);
        if (this.value === value) {
            return false;
        }
        this.value = value;
        this.emitInputEvent();
        return true;
    }
    emitInputEvent() {
        this.emitEvent('igcInput', { detail: this.value });
    }
    emitChangeEvent() {
        this.emitEvent('igcChange', { detail: this.value });
    }
    stepUp(stepIncrement = 1) {
        this.value = this.value + stepIncrement * this.step;
    }
    stepDown(stepDecrement = 1) {
        this.value = this.value - stepDecrement * this.step;
    }
    renderThumbs() {
        return this.renderThumb(this.value, this.ariaLabel);
    }
}
IgcSliderComponent.tagName = 'igc-slider';
export default IgcSliderComponent;
__decorate([
    property({ type: Number })
], IgcSliderComponent.prototype, "value", null);
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