primeng/components/dragdrop/dragdrop.js

[](https://opensource.org/licenses/MIT) [](https://gitter.im/primefaces/primeng?ut

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@angular/core");
var common_1 = require("@angular/common");
var domhandler_1 = require("../dom/domhandler");
var Draggable = /** @class */ (function () {
    function Draggable(el, domHandler, zone) {
        this.el = el;
        this.domHandler = domHandler;
        this.zone = zone;
        this.onDragStart = new core_1.EventEmitter();
        this.onDragEnd = new core_1.EventEmitter();
        this.onDrag = new core_1.EventEmitter();
    }
    Draggable.prototype.ngAfterViewInit = function () {
        if (!this.pDraggableDisabled) {
            this.el.nativeElement.draggable = true;
            this.bindMouseListeners();
        }
    };
    Draggable.prototype.bindDragListener = function () {
        var _this = this;
        if (!this.dragListener) {
            this.zone.runOutsideAngular(function () {
                _this.dragListener = _this.drag.bind(_this);
                _this.el.nativeElement.addEventListener('drag', _this.dragListener);
            });
        }
    };
    Draggable.prototype.unbindDragListener = function () {
        var _this = this;
        if (this.dragListener) {
            this.zone.runOutsideAngular(function () {
                _this.el.nativeElement.removeEventListener('drag', _this.dragListener);
                _this.dragListener = null;
            });
        }
    };
    Draggable.prototype.bindMouseListeners = function () {
        var _this = this;
        if (!this.mouseDownListener && !this.mouseUpListener) {
            this.zone.runOutsideAngular(function () {
                _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);
            });
        }
    };
    Draggable.prototype.unbindMouseListeners = function () {
        var _this = this;
        if (this.mouseDownListener && this.mouseUpListener) {
            this.zone.runOutsideAngular(function () {
                _this.el.nativeElement.removeEventListener('mousedown', _this.mouseDownListener);
                _this.el.nativeElement.removeEventListener('mouseup', _this.mouseUpListener);
                _this.mouseDownListener = null;
                _this.mouseUpListener = null;
            });
        }
    };
    Draggable.prototype.drag = function (event) {
        this.onDrag.emit(event);
    };
    Draggable.prototype.dragStart = function (event) {
        if (this.allowDrag()) {
            if (this.dragEffect) {
                event.dataTransfer.effectAllowed = this.dragEffect;
            }
            event.dataTransfer.setData('text', this.scope);
            this.onDragStart.emit(event);
            this.bindDragListener();
        }
        else {
            event.preventDefault();
        }
    };
    Draggable.prototype.dragEnd = function (event) {
        this.onDragEnd.emit(event);
        this.unbindDragListener();
    };
    Draggable.prototype.mousedown = function (event) {
        this.handle = event.target;
    };
    Draggable.prototype.mouseup = function (event) {
        this.handle = null;
    };
    Draggable.prototype.allowDrag = function () {
        if (this.dragHandle && this.handle)
            return this.domHandler.matches(this.handle, this.dragHandle);
        else
            return true;
    };
    Draggable.prototype.ngOnDestroy = function () {
        this.unbindDragListener();
        this.unbindMouseListeners();
    };
    __decorate([
        core_1.Input('pDraggable'),
        __metadata("design:type", String)
    ], Draggable.prototype, "scope", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], Draggable.prototype, "pDraggableDisabled", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], Draggable.prototype, "dragEffect", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], Draggable.prototype, "dragHandle", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], Draggable.prototype, "onDragStart", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], Draggable.prototype, "onDragEnd", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], Draggable.prototype, "onDrag", void 0);
    __decorate([
        core_1.HostListener('dragstart', ['$event']),
        __metadata("design:type", Function),
        __metadata("design:paramtypes", [Object]),
        __metadata("design:returntype", void 0)
    ], Draggable.prototype, "dragStart", null);
    __decorate([
        core_1.HostListener('dragend', ['$event']),
        __metadata("design:type", Function),
        __metadata("design:paramtypes", [Object]),
        __metadata("design:returntype", void 0)
    ], Draggable.prototype, "dragEnd", null);
    Draggable = __decorate([
        core_1.Directive({
            selector: '[pDraggable]',
            providers: [domhandler_1.DomHandler]
        }),
        __metadata("design:paramtypes", [core_1.ElementRef, domhandler_1.DomHandler, core_1.NgZone])
    ], Draggable);
    return Draggable;
}());
exports.Draggable = Draggable;
var Droppable = /** @class */ (function () {
    function Droppable(el, domHandler, zone) {
        this.el = el;
        this.domHandler = domHandler;
        this.zone = zone;
        this.onDragEnter = new core_1.EventEmitter();
        this.onDragLeave = new core_1.EventEmitter();
        this.onDrop = new core_1.EventEmitter();
    }
    Droppable.prototype.ngAfterViewInit = function () {
        if (!this.pDroppableDisabled) {
            this.bindDragOverListener();
        }
    };
    Droppable.prototype.bindDragOverListener = function () {
        var _this = this;
        if (!this.dragOverListener) {
            this.zone.runOutsideAngular(function () {
                _this.dragOverListener = _this.dragOver.bind(_this);
                _this.el.nativeElement.addEventListener('dragover', _this.dragOverListener);
            });
        }
    };
    Droppable.prototype.unbindDragOverListener = function () {
        var _this = this;
        if (this.dragOverListener) {
            this.zone.runOutsideAngular(function () {
                _this.el.nativeElement.removeEventListener('dragover', _this.dragOverListener);
                _this.dragOverListener = null;
            });
        }
    };
    Droppable.prototype.dragOver = function (event) {
        event.preventDefault();
    };
    Droppable.prototype.drop = function (event) {
        if (this.allowDrop(event)) {
            event.preventDefault();
            this.onDrop.emit(event);
        }
    };
    Droppable.prototype.dragEnter = function (event) {
        event.preventDefault();
        if (this.dropEffect) {
            event.dataTransfer.dropEffect = this.dropEffect;
        }
        this.onDragEnter.emit(event);
    };
    Droppable.prototype.dragLeave = function (event) {
        event.preventDefault();
        this.onDragLeave.emit(event);
    };
    Droppable.prototype.allowDrop = function (event) {
        var dragScope = event.dataTransfer.getData('text');
        if (typeof (this.scope) == "string" && dragScope == this.scope) {
            return true;
        }
        else if (this.scope instanceof Array) {
            for (var j = 0; j < this.scope.length; j++) {
                if (dragScope == this.scope[j]) {
                    return true;
                }
            }
        }
        return false;
    };
    Droppable.prototype.ngOnDestroy = function () {
        this.unbindDragOverListener();
    };
    __decorate([
        core_1.Input('pDroppable'),
        __metadata("design:type", Object)
    ], Droppable.prototype, "scope", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", Boolean)
    ], Droppable.prototype, "pDroppableDisabled", void 0);
    __decorate([
        core_1.Input(),
        __metadata("design:type", String)
    ], Droppable.prototype, "dropEffect", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], Droppable.prototype, "onDragEnter", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], Droppable.prototype, "onDragLeave", void 0);
    __decorate([
        core_1.Output(),
        __metadata("design:type", core_1.EventEmitter)
    ], Droppable.prototype, "onDrop", void 0);
    __decorate([
        core_1.HostListener('drop', ['$event']),
        __metadata("design:type", Function),
        __metadata("design:paramtypes", [Object]),
        __metadata("design:returntype", void 0)
    ], Droppable.prototype, "drop", null);
    __decorate([
        core_1.HostListener('dragenter', ['$event']),
        __metadata("design:type", Function),
        __metadata("design:paramtypes", [Object]),
        __metadata("design:returntype", void 0)
    ], Droppable.prototype, "dragEnter", null);
    __decorate([
        core_1.HostListener('dragleave', ['$event']),
        __metadata("design:type", Function),
        __metadata("design:paramtypes", [Object]),
        __metadata("design:returntype", void 0)
    ], Droppable.prototype, "dragLeave", null);
    Droppable = __decorate([
        core_1.Directive({
            selector: '[pDroppable]',
            providers: [domhandler_1.DomHandler]
        }),
        __metadata("design:paramtypes", [core_1.ElementRef, domhandler_1.DomHandler, core_1.NgZone])
    ], Droppable);
    return Droppable;
}());
exports.Droppable = Droppable;
var DragDropModule = /** @class */ (function () {
    function DragDropModule() {
    }
    DragDropModule = __decorate([
        core_1.NgModule({
            imports: [common_1.CommonModule],
            exports: [Draggable, Droppable],
            declarations: [Draggable, Droppable]
        })
    ], DragDropModule);
    return DragDropModule;
}());
exports.DragDropModule = DragDropModule;
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