@openui5/sap.m/src/sap/m/MessageListItemRenderer.js

OpenUI5 UI Library sap.m

/*!
 * OpenUI5
 * (c) Copyright 2026 SAP SE or an SAP affiliate company.
 * Licensed under the Apache License, Version 2.0 - see LICENSE.txt.
 */
sap.ui.define(["./StandardListItemRenderer", "sap/ui/core/Renderer"],
	function (StandardListItemRenderer, Renderer) {
		"use strict";


		/**
		 * MessageListItem renderer.
		 * @namespace
		 */
		var MessageListItemRenderer = Renderer.extend(StandardListItemRenderer);
		MessageListItemRenderer.apiVersion = 2;

		MessageListItemRenderer.renderTitle = function (oRm, oControl) {
			if (oControl.getActiveTitle()) {
				oRm.renderControl(oControl.getLink());
				oRm.renderControl(oControl.getLinkAriaDescribedBy());
			} else {
				StandardListItemRenderer.renderTitle.apply(this, arguments);
			}
		};

		/**
		 * Overrides the base method to add aria-describedby for valueState
		 * @param {sap.ui.core.RenderManager} oRm The RenderManager
		 * @param {sap.m.MessageListItem} oLI The list item
		 * @returns {string|undefined} The aria-describedby IDs
		 * @protected
		 */
		MessageListItemRenderer.getAriaDescribedBy = function(oLI) {
			var sAriaDescribedBy = StandardListItemRenderer.getAriaDescribedBy.apply(this, arguments);
			var oValueStateText = oLI.getValueStateAriaDescribedBy();

			if (oValueStateText) {
				sAriaDescribedBy = sAriaDescribedBy ? sAriaDescribedBy + " " + oValueStateText.getId() : oValueStateText.getId();
			}

			return sAriaDescribedBy;
		};

		/**
		 * Renders the valueState InvisibleText
		 * @param {sap.ui.core.RenderManager} oRm The RenderManager
		 * @param {sap.m.MessageListItem} oLI The list item
		 * @protected
		 */
		MessageListItemRenderer.renderLIContent = function(oRm, oLI) {
			StandardListItemRenderer.renderLIContent.apply(this, arguments);

			// Render the valueStateAriaDescribedBy InvisibleText
			var oValueStateText = oLI.getValueStateAriaDescribedBy();
			if (oValueStateText) {
				oRm.renderControl(oValueStateText);
			}
		};

		MessageListItemRenderer.renderTitleWrapper = function(rm, oLI) {

			var	sTitle = oLI.getTitle(),
				sDescription = oLI.getDescription(),
				sInfo = oLI.getInfo(),
				bWrapping = oLI.getWrapping(),
				bActiveTitle = oLI.getActiveTitle(),
				bShouldRenderInfoWithoutTitle = !sTitle && sInfo;

			rm.openStart("div");

			if (!bShouldRenderInfoWithoutTitle && sDescription) {
				rm.class("sapMSLITitle");
			} else {
				rm.class("sapMSLITitleOnly");
			}
			rm.openEnd();

			if (bWrapping && !bActiveTitle) {
				this.renderWrapping(rm, oLI, "title");
				if (sInfo && !sDescription) {
					this.renderInfo(rm, oLI);
				}
			} else {
				this.renderTitle(rm, oLI);
			}

			rm.close("div");

			if (sInfo && !sDescription && !bWrapping && !bShouldRenderInfoWithoutTitle) {
				this.renderInfo(rm, oLI);
			}
		};

		return MessageListItemRenderer;

	}, /* bExport= */ true);