@openui5/sap.ui.core/src/sap/ui/events/PasteEventFix.js

OpenUI5 Core Library sap.ui.core

/*!
 * OpenUI5
 * (c) Copyright 2009-2023 SAP SE or an SAP affiliate company.
 * Licensed under the Apache License, Version 2.0 - see LICENSE.txt.
 */
/*
 * IMPORTANT: This is a private module, its API must not be used and is subject to change.
 * Code other than the OpenUI5 libraries must not introduce dependencies to this module.
 */
sap.ui.define(function() {
	"use strict";

	/*global ClipboardEvent, HTMLElement*/

	document.documentElement.addEventListener("paste", function(oEvent) {
		var oActiveElement = document.activeElement;
		if (oEvent.isTrusted && oActiveElement instanceof HTMLElement &&
			// The paste event should always be fired on or within
			// the active element because the corresponding key board
			// event can only occur on or within the active element.
			//
			// When the event is fired out of the active element which
			// means the active element can't react to this event, the
			// event should be dispatched on the active element again.
			!oActiveElement.contains(oEvent.target)) {

			var oNewEvent = new ClipboardEvent("paste", {
				bubbles: true,
				cancelable: true,
				clipboardData: oEvent.clipboardData
			});

			oActiveElement.dispatchEvent(oNewEvent);

			// prevent this event from being processed by other handlers
			// and the browser
			oEvent.stopImmediatePropagation();
			oEvent.preventDefault();
		}

	}, /* capturing phase */ true);
	// use capturing phase because the additional event handler for the "paste" event may change the focused element
	// which affects the way that processes the event here
});