@siemens/ngx-datatable
Version:
ngx-datatable is an Angular table grid component for presenting large and complex data.
120 lines • 13.2 kB
JavaScript
import { Directive, EventEmitter, HostBinding, HostListener, Input, Output } 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() {
clearTimeout(this.timeout);
this._destroySubscription();
}
_destroySubscription() {
if (this.subscription) {
this.subscription.unsubscribe();
this.subscription = undefined;
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.0.6", ngImport: i0, type: LongPressDirective, deps: [], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "17.0.6", type: LongPressDirective, selector: "[long-press]", inputs: { pressEnabled: "pressEnabled", pressModel: "pressModel", duration: "duration" }, outputs: { longPressStart: "longPressStart", longPressing: "longPressing", longPressEnd: "longPressEnd" }, host: { listeners: { "mousedown": "onMouseDown($event)" }, properties: { "class.press": "this.press", "class.longpress": "this.isLongPress" } }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.0.6", ngImport: i0, type: LongPressDirective, decorators: [{
type: Directive,
args: [{ selector: '[long-press]' }]
}], propDecorators: { pressEnabled: [{
type: Input
}], pressModel: [{
type: Input
}], duration: [{
type: Input
}], longPressStart: [{
type: Output
}], longPressing: [{
type: Output
}], longPressEnd: [{
type: Output
}], press: [{
type: HostBinding,
args: ['class.press']
}], isLongPress: [{
type: HostBinding,
args: ['class.longpress']
}], onMouseDown: [{
type: HostListener,
args: ['mousedown', ['$event']]
}] } });
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{ Directive, EventEmitter, HostBinding, HostListener, Input, OnDestroy, Output } from '@angular/core';\nimport { fromEvent, Observable, Subscription } from 'rxjs';\nimport { takeUntil } from 'rxjs/operators';\nimport { MouseEvent } from '../events';\n\n@Directive({ selector: '[long-press]' })\nexport class LongPressDirective implements OnDestroy {\n  @Input() pressEnabled = true;\n  @Input() pressModel: any;\n  @Input() duration = 500;\n\n  @Output() longPressStart: EventEmitter<any> = new EventEmitter();\n  @Output() longPressing: EventEmitter<any> = new EventEmitter();\n  @Output() longPressEnd: EventEmitter<any> = new EventEmitter();\n\n  pressing: boolean;\n  isLongPressing: boolean;\n  timeout: any;\n  mouseX = 0;\n  mouseY = 0;\n\n  subscription: Subscription;\n\n  @HostBinding('class.press')\n  get press(): boolean {\n    return this.pressing;\n  }\n\n  @HostBinding('class.longpress')\n  get isLongPress(): boolean {\n    return this.isLongPressing;\n  }\n\n  @HostListener('mousedown', ['$event'])\n  onMouseDown(event: MouseEvent): void {\n    // don't do right/middle clicks\n    if (event.which !== 1 || !this.pressEnabled) {return;}\n\n    // don't start drag if its on resize handle\n    const target = event.target as HTMLElement;\n    if (target.classList.contains('resize-handle')) {return;}\n\n    this.mouseX = event.clientX;\n    this.mouseY = event.clientY;\n\n    this.pressing = true;\n    this.isLongPressing = false;\n\n    const mouseup = fromEvent(document, 'mouseup');\n    this.subscription = mouseup.subscribe((ev: MouseEvent) => this.onMouseup());\n\n    this.timeout = setTimeout(() => {\n      this.isLongPressing = true;\n      this.longPressStart.emit({\n        event,\n        model: this.pressModel\n      });\n\n      this.subscription.add(\n        fromEvent(document, 'mousemove')\n          .pipe(takeUntil(mouseup))\n          .subscribe((mouseEvent: MouseEvent) => this.onMouseMove(mouseEvent))\n      );\n\n      this.loop(event);\n    }, this.duration);\n\n    this.loop(event);\n  }\n\n  onMouseMove(event: MouseEvent): void {\n    if (this.pressing && !this.isLongPressing) {\n      const xThres = Math.abs(event.clientX - this.mouseX) > 10;\n      const yThres = Math.abs(event.clientY - this.mouseY) > 10;\n\n      if (xThres || yThres) {\n        this.endPress();\n      }\n    }\n  }\n\n  loop(event: MouseEvent): void {\n    if (this.isLongPressing) {\n      this.timeout = setTimeout(() => {\n        this.longPressing.emit({\n          event,\n          model: this.pressModel\n        });\n        this.loop(event);\n      }, 50);\n    }\n  }\n\n  endPress(): void {\n    clearTimeout(this.timeout);\n    this.isLongPressing = false;\n    this.pressing = false;\n    this._destroySubscription();\n\n    this.longPressEnd.emit({\n      model: this.pressModel\n    });\n  }\n\n  onMouseup(): void {\n    this.endPress();\n  }\n\n  ngOnDestroy(): void {\n    clearTimeout(this.timeout);\n    this._destroySubscription();\n  }\n\n  private _destroySubscription(): void {\n    if (this.subscription) {\n      this.subscription.unsubscribe();\n      this.subscription = undefined;\n    }\n  }\n}\n"]}