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@almaobservatory/ngx-datatable

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ngx-datatable is an Angular table grid component for presenting large and complex data.

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import { Directive, Input, Output, EventEmitter, HostBinding, HostListener } from '@angular/core'; import { fromEvent } from 'rxjs'; import { takeUntil } from 'rxjs/operators'; import * as i0 from "@angular/core"; export class LongPressDirective { constructor() { this.pressEnabled = true; this.duration = 500; this.longPressStart = new EventEmitter(); this.longPressing = new EventEmitter(); this.longPressEnd = new EventEmitter(); this.mouseX = 0; this.mouseY = 0; } get press() { return this.pressing; } get isLongPress() { return this.isLongPressing; } onMouseDown(event) { // don't do right/middle clicks if (event.which !== 1 || !this.pressEnabled) return; // don't start drag if its on resize handle const target = event.target; if (target.classList.contains('resize-handle')) return; this.mouseX = event.clientX; this.mouseY = event.clientY; this.pressing = true; this.isLongPressing = false; const mouseup = fromEvent(document, 'mouseup'); this.subscription = mouseup.subscribe((ev) => this.onMouseup()); this.timeout = setTimeout(() => { this.isLongPressing = true; this.longPressStart.emit({ event, model: this.pressModel }); this.subscription.add(fromEvent(document, 'mousemove') .pipe(takeUntil(mouseup)) .subscribe((mouseEvent) => this.onMouseMove(mouseEvent))); this.loop(event); }, this.duration); this.loop(event); } onMouseMove(event) { if (this.pressing && !this.isLongPressing) { const xThres = Math.abs(event.clientX - this.mouseX) > 10; const yThres = Math.abs(event.clientY - this.mouseY) > 10; if (xThres || yThres) { this.endPress(); } } } loop(event) { if (this.isLongPressing) { this.timeout = setTimeout(() => { this.longPressing.emit({ event, model: this.pressModel }); this.loop(event); }, 50); } } endPress() { clearTimeout(this.timeout); this.isLongPressing = false; this.pressing = false; this._destroySubscription(); this.longPressEnd.emit({ model: this.pressModel }); } onMouseup() { this.endPress(); } ngOnDestroy() { this._destroySubscription(); } _destroySubscription() { if (this.subscription) { this.subscription.unsubscribe(); this.subscription = undefined; } } } LongPressDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.1.1", ngImport: i0, type: LongPressDirective, deps: [], target: i0.ɵɵFactoryTarget.Directive }); LongPressDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "13.1.1", type: LongPressDirective, selector: "[long-press]", inputs: { pressEnabled: "pressEnabled", pressModel: "pressModel", duration: "duration" }, outputs: { longPressStart: "longPressStart", longPressing: "longPressing", longPressEnd: "longPressEnd" }, host: { listeners: { "mousedown": "onMouseDown($event)" }, properties: { "class.press": "this.press", "class.longpress": "this.isLongPress" } }, ngImport: i0 }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.1.1", ngImport: i0, type: LongPressDirective, decorators: [{ type: Directive, args: [{ selector: '[long-press]' }] }], propDecorators: { pressEnabled: [{ type: Input }], pressModel: [{ type: Input }], duration: [{ type: Input }], longPressStart: [{ type: Output }], longPressing: [{ type: Output }], longPressEnd: [{ type: Output }], press: [{ type: HostBinding, args: ['class.press'] }], isLongPress: [{ type: HostBinding, args: ['class.longpress'] }], onMouseDown: [{ type: HostListener, args: ['mousedown', ['$event']] }] } }); //# 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{ Directive, Input, Output, EventEmitter, HostBinding, HostListener, OnDestroy } from '@angular/core';\r\nimport { Observable, Subscription, fromEvent } from 'rxjs';\r\nimport { takeUntil } from 'rxjs/operators';\r\nimport { MouseEvent } from '../events';\r\n\r\n@Directive({ selector: '[long-press]' })\r\nexport class LongPressDirective implements OnDestroy {\r\n  @Input() pressEnabled: boolean = true;\r\n  @Input() pressModel: any;\r\n  @Input() duration: number = 500;\r\n\r\n  @Output() longPressStart: EventEmitter<any> = new EventEmitter();\r\n  @Output() longPressing: EventEmitter<any> = new EventEmitter();\r\n  @Output() longPressEnd: EventEmitter<any> = new EventEmitter();\r\n\r\n  pressing: boolean;\r\n  isLongPressing: boolean;\r\n  timeout: any;\r\n  mouseX: number = 0;\r\n  mouseY: number = 0;\r\n\r\n  subscription: Subscription;\r\n\r\n  @HostBinding('class.press')\r\n  get press(): boolean {\r\n    return this.pressing;\r\n  }\r\n\r\n  @HostBinding('class.longpress')\r\n  get isLongPress(): boolean {\r\n    return this.isLongPressing;\r\n  }\r\n\r\n  @HostListener('mousedown', ['$event'])\r\n  onMouseDown(event: MouseEvent): void {\r\n    // don't do right/middle clicks\r\n    if (event.which !== 1 || !this.pressEnabled) return;\r\n\r\n    // don't start drag if its on resize handle\r\n    const target = <HTMLElement>event.target;\r\n    if (target.classList.contains('resize-handle')) return;\r\n\r\n    this.mouseX = event.clientX;\r\n    this.mouseY = event.clientY;\r\n\r\n    this.pressing = true;\r\n    this.isLongPressing = false;\r\n\r\n    const mouseup = fromEvent(document, 'mouseup');\r\n    this.subscription = mouseup.subscribe((ev: MouseEvent) => this.onMouseup());\r\n\r\n    this.timeout = setTimeout(() => {\r\n      this.isLongPressing = true;\r\n      this.longPressStart.emit({\r\n        event,\r\n        model: this.pressModel\r\n      });\r\n\r\n      this.subscription.add(\r\n        fromEvent(document, 'mousemove')\r\n          .pipe(takeUntil(mouseup))\r\n          .subscribe((mouseEvent: MouseEvent) => this.onMouseMove(mouseEvent))\r\n      );\r\n\r\n      this.loop(event);\r\n    }, this.duration);\r\n\r\n    this.loop(event);\r\n  }\r\n\r\n  onMouseMove(event: MouseEvent): void {\r\n    if (this.pressing && !this.isLongPressing) {\r\n      const xThres = Math.abs(event.clientX - this.mouseX) > 10;\r\n      const yThres = Math.abs(event.clientY - this.mouseY) > 10;\r\n\r\n      if (xThres || yThres) {\r\n        this.endPress();\r\n      }\r\n    }\r\n  }\r\n\r\n  loop(event: MouseEvent): void {\r\n    if (this.isLongPressing) {\r\n      this.timeout = setTimeout(() => {\r\n        this.longPressing.emit({\r\n          event,\r\n          model: this.pressModel\r\n        });\r\n        this.loop(event);\r\n      }, 50);\r\n    }\r\n  }\r\n\r\n  endPress(): void {\r\n    clearTimeout(this.timeout);\r\n    this.isLongPressing = false;\r\n    this.pressing = false;\r\n    this._destroySubscription();\r\n\r\n    this.longPressEnd.emit({\r\n      model: this.pressModel\r\n    });\r\n  }\r\n\r\n  onMouseup(): void {\r\n    this.endPress();\r\n  }\r\n\r\n  ngOnDestroy(): void {\r\n    this._destroySubscription();\r\n  }\r\n\r\n  private _destroySubscription(): void {\r\n    if (this.subscription) {\r\n      this.subscription.unsubscribe();\r\n      this.subscription = undefined;\r\n    }\r\n  }\r\n}\r\n"]}