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inputobserver.js 1.3 KB

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  1. /**
  2. * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. /**
  6. * @module engine/view/observer/inputobserver
  7. */
  8. import DomEventObserver from './domeventobserver';
  9. /**
  10. * Observer for events connected with data input.
  11. *
  12. * Note that this observer is attached by the {@link module:engine/view/view~View} and is available by default.
  13. *
  14. * @extends module:engine/view/observer/domeventobserver~DomEventObserver
  15. */
  16. export default class InputObserver extends DomEventObserver {
  17. constructor( view ) {
  18. super( view );
  19. this.domEventType = [ 'beforeinput' ];
  20. }
  21. onDomEvent( domEvent ) {
  22. this.fire( domEvent.type, domEvent );
  23. }
  24. }
  25. /**
  26. * Fired before browser inputs (or deletes) some data.
  27. *
  28. * This event is available only on browsers which support DOM `beforeinput` event.
  29. *
  30. * Introduced by {@link module:engine/view/observer/inputobserver~InputObserver}.
  31. *
  32. * Note that because {@link module:engine/view/observer/inputobserver~InputObserver} is attached by the
  33. * {@link module:engine/view/view~View} this event is available by default.
  34. *
  35. * @see module:engine/view/observer/inputobserver~InputObserver
  36. * @event module:engine/view/document~Document#event:beforeinput
  37. * @param {module:engine/view/observer/domeventdata~DomEventData} data Event data.
  38. */