//长press.directive.d.ts
import { ElementRef, EventEmitter, OnDestroy, OnInit, NgZone } from '@angular/core';
import { Gesture } from 'ionic-angular/gestures/gesture';
export declare class LongPressDirective implements OnInit, OnDestroy {
zone: NgZone;
interval: number;
onPressStart: EventEmitter<any>;
onPressing: EventEmitter<any>;
onPressEnd: EventEmitter<any>;
el: HTMLElement;
pressGesture: Gesture;
int: any;
constructor(zone: NgZone, el: ElementRef);
ngOnInit(): void;
ngOnDestroy(): void;
}
//长press.drective.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@angular/core");
var gesture_1 = require("ionic-angular/gestures/gesture");
var LongPressDirective = (function () {
function LongPressDirective(zone, el) {
this.zone = zone;
this.onPressStart = new core_1.EventEmitter();
this.onPressing = new core_1.EventEmitter();
this.onPressEnd = new core_1.EventEmitter();
this.el = el.nativeElement;
}
LongPressDirective.prototype.ngOnInit = function () {
var _this = this;
if (!this.interval)
this.interval = 500;
if (this.interval < 40) {
throw new Error('A limit of 40ms is imposed so you don\'t destroy device performance. If you need less than a 40ms interval, please file an issue explaining your use case.');
}
this.pressGesture = new gesture_1.Gesture(this.el);
this.pressGesture.listen();
this.pressGesture.on('press', function (e) {
_this.onPressStart.emit(e);
_this.zone.run(function () {
_this.int = setInterval(function () {
_this.onPressing.emit();
}, _this.interval);
});
});
this.pressGesture.on('pressup', function (e) {
_this.zone.run(function () {
clearInterval(_this.int);
});
_this.onPressEnd.emit();
});
};
LongPressDirective.prototype.ngOnDestroy = function () {
var _this = this;
this.zone.run(function () {
clearInterval(_this.int);
});
this.onPressEnd.emit();
this.pressGesture.destroy();
};
return LongPressDirective;
}());
LongPressDirective.decorators = [
{ type: core_1.Directive, args: [{
selector: '[ion-long-press]'
},] },
];
/** @nocollapse */
LongPressDirective.ctorParameters = function () { return [
{ type: core_1.NgZone, },
{ type: core_1.ElementRef, },
]; };
LongPressDirective.propDecorators = {
'interval': [{ type: core_1.Input },],
'onPressStart': [{ type: core_1.Output },],
'onPressing': [{ type: core_1.Output },],
'onPressEnd': [{ type: core_1.Output },],
};
exports.LongPressDirective = LongPressDirective;
//# sourceMappingURL=long-press.directive.js.map
这是“按下”，“按下”事件的实施。 该指令旨在建立在离子用于长时间按压的现有Hammer.JS按压事件的基础上，通过给你间隔发射。 https://www.npmjs.com/package/ionic-long-press 我想添加'drag' - 'drop'事件。 我是棱角分明的初学者。 需要专家的帮助。 感谢。