@rp3e11/ngx-slider
Version:
Self-contained, mobile friendly slider component for Angular 13 based on angularjs-slider
170 lines • 19 kB
JavaScript
import { Directive, HostBinding } from '@angular/core';
import { EventListenerHelper } from './event-listener-helper';
import { ValueHelper } from './value-helper';
import * as i0 from "@angular/core";
export class SliderElementDirective {
constructor(elemRef, renderer, changeDetectionRef) {
this.elemRef = elemRef;
this.renderer = renderer;
this.changeDetectionRef = changeDetectionRef;
this._position = 0;
this._dimension = 0;
this._alwaysHide = false;
this._vertical = false;
this._scale = 1;
this.opacity = 1;
this.visibility = 'visible';
this.left = '';
this.bottom = '';
this.height = '';
this.width = '';
this.eventListeners = [];
this.eventListenerHelper = new EventListenerHelper(this.renderer);
}
get position() {
return this._position;
}
get dimension() {
return this._dimension;
}
get alwaysHide() {
return this._alwaysHide;
}
get vertical() {
return this._vertical;
}
get scale() {
return this._scale;
}
setAlwaysHide(hide) {
this._alwaysHide = hide;
if (hide) {
this.visibility = 'hidden';
}
else {
this.visibility = 'visible';
}
}
hide() {
this.opacity = 0;
}
show() {
if (this.alwaysHide) {
return;
}
this.opacity = 1;
}
isVisible() {
if (this.alwaysHide) {
return false;
}
return this.opacity !== 0;
}
setVertical(vertical) {
this._vertical = vertical;
if (this._vertical) {
this.left = '';
this.width = '';
}
else {
this.bottom = '';
this.height = '';
}
}
setScale(scale) {
this._scale = scale;
}
// Set element left/top position depending on whether slider is horizontal or vertical
setPosition(pos) {
if (this._position !== pos && !this.isRefDestroyed()) {
this.changeDetectionRef.markForCheck();
}
this._position = pos;
if (this._vertical) {
this.bottom = Math.round(pos) + 'px';
}
else {
this.left = Math.round(pos) + 'px';
}
}
// Calculate element's width/height depending on whether slider is horizontal or vertical
calculateDimension() {
const val = this.getBoundingClientRect();
if (this.vertical) {
this._dimension = (val.bottom - val.top) * this.scale;
}
else {
this._dimension = (val.right - val.left) * this.scale;
}
}
// Set element width/height depending on whether slider is horizontal or vertical
setDimension(dim) {
if (this._dimension !== dim && !this.isRefDestroyed()) {
this.changeDetectionRef.markForCheck();
}
this._dimension = dim;
if (this._vertical) {
this.height = Math.round(dim) + 'px';
}
else {
this.width = Math.round(dim) + 'px';
}
}
getBoundingClientRect() {
return this.elemRef.nativeElement.getBoundingClientRect();
}
on(eventName, callback, debounceInterval) {
const listener = this.eventListenerHelper.attachEventListener(this.elemRef.nativeElement, eventName, callback, debounceInterval);
this.eventListeners.push(listener);
}
onPassive(eventName, callback, debounceInterval) {
const listener = this.eventListenerHelper.attachPassiveEventListener(this.elemRef.nativeElement, eventName, callback, debounceInterval);
this.eventListeners.push(listener);
}
off(eventName) {
let listenersToKeep;
let listenersToRemove;
if (!ValueHelper.isNullOrUndefined(eventName)) {
listenersToKeep = this.eventListeners.filter((event) => event.eventName !== eventName);
listenersToRemove = this.eventListeners.filter((event) => event.eventName === eventName);
}
else {
listenersToKeep = [];
listenersToRemove = this.eventListeners;
}
for (const listener of listenersToRemove) {
this.eventListenerHelper.detachEventListener(listener);
}
this.eventListeners = listenersToKeep;
}
isRefDestroyed() {
return ValueHelper.isNullOrUndefined(this.changeDetectionRef) || this.changeDetectionRef['destroyed'];
}
}
SliderElementDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.3", ngImport: i0, type: SliderElementDirective, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Directive });
SliderElementDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.0.3", type: SliderElementDirective, selector: "[ngxSliderElement]", host: { properties: { "style.opacity": "this.opacity", "style.visibility": "this.visibility", "style.left": "this.left", "style.bottom": "this.bottom", "style.height": "this.height", "style.width": "this.width" } }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.3", ngImport: i0, type: SliderElementDirective, decorators: [{
type: Directive,
args: [{
selector: '[ngxSliderElement]'
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i0.ChangeDetectorRef }]; }, propDecorators: { opacity: [{
type: HostBinding,
args: ['style.opacity']
}], visibility: [{
type: HostBinding,
args: ['style.visibility']
}], left: [{
type: HostBinding,
args: ['style.left']
}], bottom: [{
type: HostBinding,
args: ['style.bottom']
}], height: [{
type: HostBinding,
args: ['style.height']
}], width: [{
type: HostBinding,
args: ['style.width']
}] } });
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{ Directive, ElementRef, Renderer2, HostBinding, ChangeDetectorRef } from '@angular/core';\nimport { EventListenerHelper } from './event-listener-helper';\nimport { EventListener } from './event-listener';\nimport { ValueHelper } from './value-helper';\n\n@Directive({\n  selector: '[ngxSliderElement]'\n})\nexport class SliderElementDirective {\n  private _position: number = 0;\n  get position(): number {\n    return this._position;\n  }\n\n  private _dimension: number = 0;\n  get dimension(): number {\n    return this._dimension;\n  }\n\n  private _alwaysHide: boolean = false;\n  get alwaysHide(): boolean {\n    return this._alwaysHide;\n  }\n\n  private _vertical: boolean = false;\n  get vertical(): boolean {\n    return this._vertical;\n  }\n\n  private _scale: number = 1;\n  get scale(): number {\n    return this._scale;\n  }\n\n  @HostBinding('style.opacity')\n  opacity: number = 1;\n\n  @HostBinding('style.visibility')\n  visibility: string = 'visible';\n\n  @HostBinding('style.left')\n  left: string = '';\n\n  @HostBinding('style.bottom')\n  bottom: string = '';\n\n  @HostBinding('style.height')\n  height: string = '';\n\n  @HostBinding('style.width')\n  width: string = '';\n\n  private eventListenerHelper: EventListenerHelper;\n  private eventListeners: EventListener[] = [];\n\n  constructor(protected elemRef: ElementRef, protected renderer: Renderer2, protected changeDetectionRef: ChangeDetectorRef) {\n    this.eventListenerHelper = new EventListenerHelper(this.renderer);\n  }\n\n  setAlwaysHide(hide: boolean): void {\n    this._alwaysHide = hide;\n    if (hide) {\n      this.visibility = 'hidden';\n    } else {\n      this.visibility = 'visible';\n    }\n  }\n\n  hide(): void {\n    this.opacity = 0;\n  }\n\n  show(): void {\n    if (this.alwaysHide) {\n      return;\n    }\n\n    this.opacity = 1;\n  }\n\n  isVisible(): boolean {\n    if (this.alwaysHide) {\n      return false;\n    }\n    return this.opacity !== 0;\n  }\n\n  setVertical(vertical: boolean): void {\n    this._vertical = vertical;\n    if (this._vertical) {\n      this.left = '';\n      this.width = '';\n    } else {\n      this.bottom = '';\n      this.height = '';\n    }\n  }\n\n  setScale(scale: number): void {\n    this._scale = scale;\n  }\n\n   // Set element left/top position depending on whether slider is horizontal or vertical\n  setPosition(pos: number): void {\n    if (this._position !== pos && !this.isRefDestroyed()) {\n      this.changeDetectionRef.markForCheck();\n    }\n\n    this._position = pos;\n    if (this._vertical) {\n      this.bottom = Math.round(pos) + 'px';\n    } else {\n      this.left = Math.round(pos) + 'px';\n    }\n  }\n\n  // Calculate element's width/height depending on whether slider is horizontal or vertical\n  calculateDimension(): void {\n    const val: ClientRect = this.getBoundingClientRect();\n    if (this.vertical) {\n      this._dimension = (val.bottom - val.top) * this.scale;\n    } else {\n      this._dimension = (val.right - val.left) * this.scale;\n    }\n  }\n\n  // Set element width/height depending on whether slider is horizontal or vertical\n  setDimension(dim: number): void {\n    if (this._dimension !== dim && !this.isRefDestroyed()) {\n      this.changeDetectionRef.markForCheck();\n    }\n\n    this._dimension = dim;\n    if (this._vertical) {\n      this.height = Math.round(dim) + 'px';\n    } else {\n      this.width = Math.round(dim) + 'px';\n    }\n  }\n\n  getBoundingClientRect(): ClientRect {\n    return this.elemRef.nativeElement.getBoundingClientRect();\n  }\n\n  on(eventName: string, callback: (event: any) => void, debounceInterval?: number): void {\n    const listener: EventListener = this.eventListenerHelper.attachEventListener(\n      this.elemRef.nativeElement, eventName, callback, debounceInterval);\n    this.eventListeners.push(listener);\n  }\n\n  onPassive(eventName: string, callback: (event: any) => void, debounceInterval?: number): void {\n    const listener: EventListener = this.eventListenerHelper.attachPassiveEventListener(\n      this.elemRef.nativeElement, eventName, callback, debounceInterval);\n    this.eventListeners.push(listener);\n  }\n\n  off(eventName?: string): void {\n    let listenersToKeep: EventListener[];\n    let listenersToRemove: EventListener[];\n    if (!ValueHelper.isNullOrUndefined(eventName)) {\n      listenersToKeep = this.eventListeners.filter((event: EventListener) => event.eventName !== eventName);\n      listenersToRemove = this.eventListeners.filter((event: EventListener) => event.eventName === eventName);\n    } else {\n      listenersToKeep = [];\n      listenersToRemove = this.eventListeners;\n    }\n\n    for (const listener of listenersToRemove) {\n      this.eventListenerHelper.detachEventListener(listener);\n    }\n\n    this.eventListeners = listenersToKeep;\n  }\n\n  private isRefDestroyed(): boolean {\n    return ValueHelper.isNullOrUndefined(this.changeDetectionRef) || this.changeDetectionRef['destroyed'];\n  }\n}\n"]}