ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
213 lines • 15 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: drag.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Alibaba.com All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { Injectable, RendererFactory2 } from '@angular/core';
import { Subject } from 'rxjs';
import { filter, finalize, map } from 'rxjs/operators';
import { getEventPosition, isTouchEvent } from 'ng-zorro-antd/core/util';
import * as i0 from "@angular/core";
/**
* @record
*/
function Point() { }
if (false) {
/** @type {?} */
Point.prototype.x;
/** @type {?} */
Point.prototype.y;
}
/**
* @record
*/
function HandlerItem() { }
if (false) {
/**
* @param {?} e
* @return {?}
*/
HandlerItem.prototype.handler = function (e) { };
/**
* @return {?}
*/
HandlerItem.prototype.teardown = function () { };
}
/**
* @param {?} event
* @return {?}
*/
function getPagePosition(event) {
/** @type {?} */
var e = getEventPosition(event);
return {
x: e.pageX,
y: e.pageY
};
}
/**
* This module provide a global dragging service to other components.
*/
var NzDragService = /** @class */ (function () {
function NzDragService(rendererFactory2) {
this.draggingThreshold = 5;
this.currentDraggingSequence = null;
this.currentStartingPoint = null;
this.handleRegistry = new Set();
this.renderer = rendererFactory2.createRenderer(null, null);
}
/**
* @param {?} event
* @return {?}
*/
NzDragService.prototype.requestDraggingSequence = /**
* @param {?} event
* @return {?}
*/
function (event) {
var _this = this;
if (!this.handleRegistry.size) {
this.registerDraggingHandler(isTouchEvent(event));
}
// Complete last dragging sequence if a new target is dragged.
if (this.currentDraggingSequence) {
this.currentDraggingSequence.complete();
}
this.currentStartingPoint = getPagePosition(event);
this.currentDraggingSequence = new Subject();
return this.currentDraggingSequence.pipe(map((/**
* @param {?} e
* @return {?}
*/
function (e) {
return {
x: e.pageX - (/** @type {?} */ (_this.currentStartingPoint)).x,
y: e.pageY - (/** @type {?} */ (_this.currentStartingPoint)).y
};
})), filter((/**
* @param {?} e
* @return {?}
*/
function (e) { return Math.abs(e.x) > _this.draggingThreshold || Math.abs(e.y) > _this.draggingThreshold; })), finalize((/**
* @return {?}
*/
function () { return _this.teardownDraggingSequence(); })));
};
/**
* @private
* @param {?} isTouch
* @return {?}
*/
NzDragService.prototype.registerDraggingHandler = /**
* @private
* @param {?} isTouch
* @return {?}
*/
function (isTouch) {
var _this = this;
if (isTouch) {
this.handleRegistry.add({
teardown: this.renderer.listen('document', 'touchmove', (/**
* @param {?} e
* @return {?}
*/
function (e) {
if (_this.currentDraggingSequence) {
_this.currentDraggingSequence.next(e.touches[0] || e.changedTouches[0]);
}
}))
});
this.handleRegistry.add({
teardown: this.renderer.listen('document', 'touchend', (/**
* @return {?}
*/
function () {
if (_this.currentDraggingSequence) {
_this.currentDraggingSequence.complete();
}
}))
});
}
else {
this.handleRegistry.add({
teardown: this.renderer.listen('document', 'mousemove', (/**
* @param {?} e
* @return {?}
*/
function (e) {
if (_this.currentDraggingSequence) {
_this.currentDraggingSequence.next(e);
}
}))
});
this.handleRegistry.add({
teardown: this.renderer.listen('document', 'mouseup', (/**
* @return {?}
*/
function () {
if (_this.currentDraggingSequence) {
_this.currentDraggingSequence.complete();
}
}))
});
}
};
/**
* @private
* @return {?}
*/
NzDragService.prototype.teardownDraggingSequence = /**
* @private
* @return {?}
*/
function () {
this.currentDraggingSequence = null;
};
NzDragService.decorators = [
{ type: Injectable, args: [{
providedIn: 'root'
},] }
];
/** @nocollapse */
NzDragService.ctorParameters = function () { return [
{ type: RendererFactory2 }
]; };
/** @nocollapse */ NzDragService.ɵprov = i0.ɵɵdefineInjectable({ factory: function NzDragService_Factory() { return new NzDragService(i0.ɵɵinject(i0.RendererFactory2)); }, token: NzDragService, providedIn: "root" });
return NzDragService;
}());
export { NzDragService };
if (false) {
/**
* @type {?}
* @private
*/
NzDragService.prototype.draggingThreshold;
/**
* @type {?}
* @private
*/
NzDragService.prototype.currentDraggingSequence;
/**
* @type {?}
* @private
*/
NzDragService.prototype.currentStartingPoint;
/**
* @type {?}
* @private
*/
NzDragService.prototype.handleRegistry;
/**
* @type {?}
* @private
*/
NzDragService.prototype.renderer;
}
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* @license\n * Copyright Alibaba.com All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { Injectable, Renderer2, RendererFactory2 } from '@angular/core';\nimport { Observable, Subject } from 'rxjs';\nimport { filter, finalize, map } from 'rxjs/operators';\n\nimport { getEventPosition, isTouchEvent } from 'ng-zorro-antd/core/util';\n\ninterface Point {\n  x: number;\n  y: number;\n}\n\ntype Delta = Point;\n\ninterface HandlerItem {\n  handler?(e: Event): void;\n\n  teardown(): void;\n}\n\nfunction getPagePosition(event: MouseEvent | TouchEvent): Point {\n  const e = getEventPosition(event);\n  return {\n    x: e.pageX,\n    y: e.pageY\n  };\n}\n\n/**\n * This module provide a global dragging service to other components.\n */\n@Injectable({\n  providedIn: 'root'\n})\nexport class NzDragService {\n  private draggingThreshold = 5;\n  private currentDraggingSequence: Subject<MouseEvent | Touch> | null = null;\n  private currentStartingPoint: Point | null = null;\n  private handleRegistry = new Set<HandlerItem>();\n  private renderer: Renderer2;\n\n  constructor(rendererFactory2: RendererFactory2) {\n    this.renderer = rendererFactory2.createRenderer(null, null);\n  }\n\n  requestDraggingSequence(event: MouseEvent | TouchEvent): Observable<Delta> {\n    if (!this.handleRegistry.size) {\n      this.registerDraggingHandler(isTouchEvent(event));\n    }\n\n    // Complete last dragging sequence if a new target is dragged.\n    if (this.currentDraggingSequence) {\n      this.currentDraggingSequence.complete();\n    }\n\n    this.currentStartingPoint = getPagePosition(event);\n    this.currentDraggingSequence = new Subject<MouseEvent | Touch>();\n\n    return this.currentDraggingSequence.pipe(\n      map((e: MouseEvent | Touch) => {\n        return {\n          x: e.pageX - this.currentStartingPoint!.x,\n          y: e.pageY - this.currentStartingPoint!.y\n        };\n      }),\n      filter((e: Delta) => Math.abs(e.x) > this.draggingThreshold || Math.abs(e.y) > this.draggingThreshold),\n      finalize(() => this.teardownDraggingSequence())\n    );\n  }\n\n  private registerDraggingHandler(isTouch: boolean): void {\n    if (isTouch) {\n      this.handleRegistry.add({\n        teardown: this.renderer.listen('document', 'touchmove', (e: TouchEvent) => {\n          if (this.currentDraggingSequence) {\n            this.currentDraggingSequence.next(e.touches[0] || e.changedTouches[0]);\n          }\n        })\n      });\n      this.handleRegistry.add({\n        teardown: this.renderer.listen('document', 'touchend', () => {\n          if (this.currentDraggingSequence) {\n            this.currentDraggingSequence.complete();\n          }\n        })\n      });\n    } else {\n      this.handleRegistry.add({\n        teardown: this.renderer.listen('document', 'mousemove', e => {\n          if (this.currentDraggingSequence) {\n            this.currentDraggingSequence.next(e);\n          }\n        })\n      });\n      this.handleRegistry.add({\n        teardown: this.renderer.listen('document', 'mouseup', () => {\n          if (this.currentDraggingSequence) {\n            this.currentDraggingSequence.complete();\n          }\n        })\n      });\n    }\n  }\n\n  private teardownDraggingSequence(): void {\n    this.currentDraggingSequence = null;\n  }\n}\n"]}