primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 7.39 kB
JavaScript
import { EventEmitter, Directive, ElementRef, NgZone, Input, Output, HostListener, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { DomHandler } from 'primeng/dom';
class Draggable {
constructor(el, zone) {
this.el = el;
this.zone = zone;
this.onDragStart = new EventEmitter();
this.onDragEnd = new EventEmitter();
this.onDrag = new EventEmitter();
}
get pDraggableDisabled() {
return this._pDraggableDisabled;
}
set pDraggableDisabled(_pDraggableDisabled) {
this._pDraggableDisabled = _pDraggableDisabled;
if (this._pDraggableDisabled) {
this.unbindMouseListeners();
}
else {
this.el.nativeElement.draggable = true;
this.bindMouseListeners();
}
}
ngAfterViewInit() {
if (!this.pDraggableDisabled) {
this.el.nativeElement.draggable = true;
this.bindMouseListeners();
}
}
bindDragListener() {
if (!this.dragListener) {
this.zone.runOutsideAngular(() => {
this.dragListener = this.drag.bind(this);
this.el.nativeElement.addEventListener('drag', this.dragListener);
});
}
}
unbindDragListener() {
if (this.dragListener) {
this.zone.runOutsideAngular(() => {
this.el.nativeElement.removeEventListener('drag', this.dragListener);
this.dragListener = null;
});
}
}
bindMouseListeners() {
if (!this.mouseDownListener && !this.mouseUpListener) {
this.zone.runOutsideAngular(() => {
this.mouseDownListener = this.mousedown.bind(this);
this.mouseUpListener = this.mouseup.bind(this);
this.el.nativeElement.addEventListener('mousedown', this.mouseDownListener);
this.el.nativeElement.addEventListener('mouseup', this.mouseUpListener);
});
}
}
unbindMouseListeners() {
if (this.mouseDownListener && this.mouseUpListener) {
this.zone.runOutsideAngular(() => {
this.el.nativeElement.removeEventListener('mousedown', this.mouseDownListener);
this.el.nativeElement.removeEventListener('mouseup', this.mouseUpListener);
this.mouseDownListener = null;
this.mouseUpListener = null;
});
}
}
drag(event) {
this.onDrag.emit(event);
}
dragStart(event) {
if (this.allowDrag() && !this.pDraggableDisabled) {
if (this.dragEffect) {
event.dataTransfer.effectAllowed = this.dragEffect;
}
event.dataTransfer.setData('text', this.scope);
this.onDragStart.emit(event);
this.bindDragListener();
}
else {
event.preventDefault();
}
}
dragEnd(event) {
this.onDragEnd.emit(event);
this.unbindDragListener();
}
mousedown(event) {
this.handle = event.target;
}
mouseup(event) {
this.handle = null;
}
allowDrag() {
if (this.dragHandle && this.handle)
return DomHandler.matches(this.handle, this.dragHandle);
else
return true;
}
ngOnDestroy() {
this.unbindDragListener();
this.unbindMouseListeners();
}
}
Draggable.decorators = [
{ type: Directive, args: [{
selector: '[pDraggable]'
},] }
];
Draggable.ctorParameters = () => [
{ type: ElementRef },
{ type: NgZone }
];
Draggable.propDecorators = {
scope: [{ type: Input, args: ['pDraggable',] }],
dragEffect: [{ type: Input }],
dragHandle: [{ type: Input }],
onDragStart: [{ type: Output }],
onDragEnd: [{ type: Output }],
onDrag: [{ type: Output }],
pDraggableDisabled: [{ type: Input }],
dragStart: [{ type: HostListener, args: ['dragstart', ['$event'],] }],
dragEnd: [{ type: HostListener, args: ['dragend', ['$event'],] }]
};
class Droppable {
constructor(el, zone) {
this.el = el;
this.zone = zone;
this.onDragEnter = new EventEmitter();
this.onDragLeave = new EventEmitter();
this.onDrop = new EventEmitter();
}
ngAfterViewInit() {
if (!this.pDroppableDisabled) {
this.bindDragOverListener();
}
}
bindDragOverListener() {
if (!this.dragOverListener) {
this.zone.runOutsideAngular(() => {
this.dragOverListener = this.dragOver.bind(this);
this.el.nativeElement.addEventListener('dragover', this.dragOverListener);
});
}
}
unbindDragOverListener() {
if (this.dragOverListener) {
this.zone.runOutsideAngular(() => {
this.el.nativeElement.removeEventListener('dragover', this.dragOverListener);
this.dragOverListener = null;
});
}
}
dragOver(event) {
event.preventDefault();
}
drop(event) {
if (this.allowDrop(event)) {
DomHandler.removeClass(this.el.nativeElement, 'p-draggable-enter');
event.preventDefault();
this.onDrop.emit(event);
}
}
dragEnter(event) {
event.preventDefault();
if (this.dropEffect) {
event.dataTransfer.dropEffect = this.dropEffect;
}
DomHandler.addClass(this.el.nativeElement, 'p-draggable-enter');
this.onDragEnter.emit(event);
}
dragLeave(event) {
event.preventDefault();
DomHandler.removeClass(this.el.nativeElement, 'p-draggable-enter');
this.onDragLeave.emit(event);
}
allowDrop(event) {
let dragScope = event.dataTransfer.getData('text');
if (typeof (this.scope) == "string" && dragScope == this.scope) {
return true;
}
else if (this.scope instanceof Array) {
for (let j = 0; j < this.scope.length; j++) {
if (dragScope == this.scope[j]) {
return true;
}
}
}
return false;
}
ngOnDestroy() {
this.unbindDragOverListener();
}
}
Droppable.decorators = [
{ type: Directive, args: [{
selector: '[pDroppable]'
},] }
];
Droppable.ctorParameters = () => [
{ type: ElementRef },
{ type: NgZone }
];
Droppable.propDecorators = {
scope: [{ type: Input, args: ['pDroppable',] }],
pDroppableDisabled: [{ type: Input }],
dropEffect: [{ type: Input }],
onDragEnter: [{ type: Output }],
onDragLeave: [{ type: Output }],
onDrop: [{ type: Output }],
drop: [{ type: HostListener, args: ['drop', ['$event'],] }],
dragEnter: [{ type: HostListener, args: ['dragenter', ['$event'],] }],
dragLeave: [{ type: HostListener, args: ['dragleave', ['$event'],] }]
};
class DragDropModule {
}
DragDropModule.decorators = [
{ type: NgModule, args: [{
imports: [CommonModule],
exports: [Draggable, Droppable],
declarations: [Draggable, Droppable]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
export { DragDropModule, Draggable, Droppable };
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