@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
97 lines • 12.8 kB
JavaScript
import { __decorate, __metadata, __param } from "tslib";
import { Directive, ElementRef, Inject, Input, NgZone, Output, OnInit, OnDestroy, } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import { Subject, fromEvent, animationFrameScheduler, interval } from 'rxjs';
import { map, switchMap, takeUntil, throttle } from 'rxjs/operators';
/**
* @hidden
* @internal
*/
let IgxColumnResizerDirective = class IgxColumnResizerDirective {
constructor(element, document, zone) {
this.element = element;
this.document = document;
this.zone = zone;
this.restrictHResizeMin = Number.MIN_SAFE_INTEGER;
this.restrictHResizeMax = Number.MAX_SAFE_INTEGER;
this.resizeEnd = new Subject();
this.resizeStart = new Subject();
this.resize = new Subject();
this._destroy = new Subject();
this.resizeStart.pipe(map((event) => event.clientX), takeUntil(this._destroy), switchMap((offset) => this.resize.pipe(map((event) => event.clientX - offset), takeUntil(this.resizeEnd), takeUntil(this._destroy)))).subscribe((pos) => {
const left = this._left + pos;
const min = this._left - this.restrictHResizeMin;
const max = this._left + this.restrictHResizeMax;
this.left = left < min ? min : left;
if (left > max) {
this.left = max;
}
});
}
ngOnInit() {
this.zone.runOutsideAngular(() => {
fromEvent(this.document.defaultView, 'mousemove').pipe(throttle(() => interval(0, animationFrameScheduler)), takeUntil(this._destroy)).subscribe((res) => this.onMousemove(res));
fromEvent(this.document.defaultView, 'mouseup').pipe(takeUntil(this._destroy))
.subscribe((res) => this.onMouseup(res));
});
}
ngOnDestroy() {
this._destroy.next(true);
this._destroy.complete();
}
set left(val) {
requestAnimationFrame(() => this.element.nativeElement.style.left = val + 'px');
}
set top(val) {
requestAnimationFrame(() => this.element.nativeElement.style.top = val + 'px');
}
onMouseup(event) {
this.resizeEnd.next(event);
this.resizeEnd.complete();
}
onMousedown(event) {
event.preventDefault();
const parent = this.element.nativeElement.parentElement.parentElement;
this.left = this._left = event.clientX - parent.getBoundingClientRect().left;
this.top = event.target.getBoundingClientRect().top - parent.getBoundingClientRect().top;
this.resizeStart.next(event);
}
onMousemove(event) {
event.preventDefault();
this.resize.next(event);
}
};
IgxColumnResizerDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
{ type: NgZone }
];
__decorate([
Input(),
__metadata("design:type", Number)
], IgxColumnResizerDirective.prototype, "restrictHResizeMin", void 0);
__decorate([
Input(),
__metadata("design:type", Number)
], IgxColumnResizerDirective.prototype, "restrictHResizeMax", void 0);
__decorate([
Output(),
__metadata("design:type", Object)
], IgxColumnResizerDirective.prototype, "resizeEnd", void 0);
__decorate([
Output(),
__metadata("design:type", Object)
], IgxColumnResizerDirective.prototype, "resizeStart", void 0);
__decorate([
Output(),
__metadata("design:type", Object)
], IgxColumnResizerDirective.prototype, "resize", void 0);
IgxColumnResizerDirective = __decorate([
Directive({
selector: '[igxResizer]'
}),
__param(1, Inject(DOCUMENT)),
__metadata("design:paramtypes", [ElementRef, Object, NgZone])
], IgxColumnResizerDirective);
export { IgxColumnResizerDirective };
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offset),\n                takeUntil(this.resizeEnd),\n                takeUntil(this._destroy)\n            ))\n        ).subscribe((pos) => {\n\n            const left = this._left + pos;\n\n            const min = this._left - this.restrictHResizeMin;\n            const max = this._left + this.restrictHResizeMax;\n\n            this.left = left < min ? min : left;\n\n            if (left > max) {\n                this.left = max;\n            }\n        });\n\n    }\n\n    ngOnInit() {\n        this.zone.runOutsideAngular(() => {\n            fromEvent(this.document.defaultView, 'mousemove').pipe(\n                throttle(() => interval(0, animationFrameScheduler)),\n                takeUntil(this._destroy)\n            ).subscribe((res) => this.onMousemove(res));\n\n            fromEvent(this.document.defaultView, 'mouseup').pipe(takeUntil(this._destroy))\n                .subscribe((res) => this.onMouseup(res));\n        });\n    }\n\n    ngOnDestroy() {\n        this._destroy.next(true);\n        this._destroy.complete();\n    }\n\n    public set left(val) {\n        requestAnimationFrame(() => this.element.nativeElement.style.left = val + 'px');\n    }\n\n    public set top(val) {\n        requestAnimationFrame(() => this.element.nativeElement.style.top = val + 'px');\n    }\n\n    onMouseup(event) {\n        this.resizeEnd.next(event);\n        this.resizeEnd.complete();\n    }\n\n    onMousedown(event) {\n        event.preventDefault();\n        const parent = this.element.nativeElement.parentElement.parentElement;\n\n        this.left = this._left = event.clientX - parent.getBoundingClientRect().left;\n        this.top = event.target.getBoundingClientRect().top - parent.getBoundingClientRect().top;\n\n        this.resizeStart.next(event);\n    }\n\n    onMousemove(event) {\n        event.preventDefault();\n        this.resize.next(event);\n    }\n}\n"]}