ngx-modialog-11
Version:
Modal / Dialog for Angular
92 lines • 11.3 kB
JavaScript
import { Subject } from 'rxjs';
import { PromiseCompleter } from '../framework/utils';
import { DialogBailOutError } from './errors';
/**
* API to an open modal window.
*/
export class DialogRef {
constructor(overlay, context) {
this.overlay = overlay;
this.context = context;
this._resultDeferred = new PromiseCompleter();
this._onDestroy = new Subject();
this.onDestroy = this._onDestroy.asObservable();
}
/**
* A Promise that is resolved on a close event and rejected on a dismiss event.
*/
get result() {
return this._resultDeferred.promise;
}
/**
* Set a close/dismiss guard
* @param guard
*/
setCloseGuard(guard) {
this.closeGuard = guard;
}
/**
* Close the modal with a return value, i.e: result.
*/
close(result = null) {
const _close = () => {
this.destroy();
this._resultDeferred.resolve(result);
};
this._fireHook('beforeClose')
.then(value => value !== true && _close())
.catch(_close);
}
/**
* Close the modal without a return value, i.e: cancelled.
* This call is automatically invoked when a user either:
* - Presses an exit keyboard key (if configured).
* - Clicks outside of the modal window (if configured).
* Usually, dismiss represent a Cancel button or a X button.
*/
dismiss() {
const _dismiss = () => {
this.destroy();
this._resultDeferred.promise.catch(() => { });
this._resultDeferred.reject();
};
this._fireHook('beforeDismiss')
.then(value => value !== true && _dismiss())
.catch(_dismiss);
}
/**
* Gracefully close the overlay/dialog with a rejected result.
* Does not trigger canDestroy on the overlay.
*/
bailOut() {
if (this.destroyed !== true) {
this.destroyed = true;
this._onDestroy.next(null);
this._onDestroy.complete();
this._resultDeferred.reject(new DialogBailOutError());
}
}
destroy() {
if (this.destroyed !== true) {
this.destroyed = true;
if (typeof this.overlayRef.instance.canDestroy === 'function') {
this.overlayRef.instance.canDestroy()
.catch(() => { })
.then(() => this._destroy());
}
else {
this._destroy();
}
}
}
_destroy() {
this._onDestroy.next(null);
this._onDestroy.complete();
this.overlayRef.destroy();
}
_fireHook(name) {
const guard = this.closeGuard, fn = guard && typeof guard[name] === 'function' && guard[name];
return Promise.resolve(fn ? fn.call(guard) : false);
}
}
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Presses an exit keyboard key (if configured).\r\n   *  - Clicks outside of the modal window (if configured).\r\n   *  Usually, dismiss represent a Cancel button or a X button.\r\n   */\r\n  dismiss() {\r\n    const _dismiss = () => {\r\n      this.destroy();\r\n      this._resultDeferred.promise.catch(() => {});\r\n      this._resultDeferred.reject();\r\n    };\r\n    this._fireHook<boolean>('beforeDismiss')\r\n      .then(value => value !== true && _dismiss())\r\n      .catch(_dismiss);\r\n  }\r\n\r\n  /**\r\n   * Gracefully close the overlay/dialog with a rejected result.\r\n   * Does not trigger canDestroy on the overlay.\r\n   */\r\n  bailOut() {\r\n    if (this.destroyed !== true) {\r\n      this.destroyed = true;\r\n      this._onDestroy.next(null);\r\n      this._onDestroy.complete();\r\n      this._resultDeferred.reject(new DialogBailOutError());\r\n    }\r\n  }\r\n\r\n  destroy() {\r\n    if (this.destroyed !== true) {\r\n      this.destroyed = true;\r\n\r\n      if (typeof this.overlayRef.instance.canDestroy === 'function') {\r\n        this.overlayRef.instance.canDestroy()\r\n          .catch( () => {})\r\n          .then ( () => this._destroy() );\r\n      } else {\r\n        this._destroy();\r\n      }\r\n    }\r\n  }\r\n\r\n  private _destroy(): void {\r\n    this._onDestroy.next(null);\r\n    this._onDestroy.complete();\r\n    this.overlayRef.destroy();\r\n  }\r\n\r\n  private _fireHook<G>(name: 'beforeClose' | 'beforeDismiss'): Promise<G> {\r\n    const guard = this.closeGuard,\r\n          fn: Function = guard && typeof guard[name] === 'function' && guard[name];\r\n\r\n    return Promise.resolve(fn ? fn.call(guard) : false);\r\n  }\r\n}\r\n"]}