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- /**
- * @license
- * Copyright 2017 Google Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
- import { __assign, __extends } from "tslib";
- import { MDCFoundation } from '@material/base/foundation';
- import { cssClasses, strings } from './constants';
- /** MDC Text Field Helper Text Foundation */
- var MDCTextFieldHelperTextFoundation = /** @class */ (function (_super) {
- __extends(MDCTextFieldHelperTextFoundation, _super);
- function MDCTextFieldHelperTextFoundation(adapter) {
- return _super.call(this, __assign(__assign({}, MDCTextFieldHelperTextFoundation.defaultAdapter), adapter)) || this;
- }
- Object.defineProperty(MDCTextFieldHelperTextFoundation, "cssClasses", {
- get: function () {
- return cssClasses;
- },
- enumerable: false,
- configurable: true
- });
- Object.defineProperty(MDCTextFieldHelperTextFoundation, "strings", {
- get: function () {
- return strings;
- },
- enumerable: false,
- configurable: true
- });
- Object.defineProperty(MDCTextFieldHelperTextFoundation, "defaultAdapter", {
- /**
- * See {@link MDCTextFieldHelperTextAdapter} for typing information on
- * parameters and return types.
- */
- get: function () {
- // tslint:disable:object-literal-sort-keys Methods should be in the same order as the adapter interface.
- return {
- addClass: function () { return undefined; },
- removeClass: function () { return undefined; },
- hasClass: function () { return false; },
- getAttr: function () { return null; },
- setAttr: function () { return undefined; },
- removeAttr: function () { return undefined; },
- setContent: function () { return undefined; },
- };
- // tslint:enable:object-literal-sort-keys
- },
- enumerable: false,
- configurable: true
- });
- MDCTextFieldHelperTextFoundation.prototype.getId = function () {
- return this.adapter.getAttr('id');
- };
- MDCTextFieldHelperTextFoundation.prototype.isVisible = function () {
- return this.adapter.getAttr(strings.ARIA_HIDDEN) !== 'true';
- };
- /**
- * Sets the content of the helper text field.
- */
- MDCTextFieldHelperTextFoundation.prototype.setContent = function (content) {
- this.adapter.setContent(content);
- };
- MDCTextFieldHelperTextFoundation.prototype.isPersistent = function () {
- return this.adapter.hasClass(cssClasses.HELPER_TEXT_PERSISTENT);
- };
- /**
- * @param isPersistent Sets the persistency of the helper text.
- */
- MDCTextFieldHelperTextFoundation.prototype.setPersistent = function (isPersistent) {
- if (isPersistent) {
- this.adapter.addClass(cssClasses.HELPER_TEXT_PERSISTENT);
- }
- else {
- this.adapter.removeClass(cssClasses.HELPER_TEXT_PERSISTENT);
- }
- };
- /**
- * @return whether the helper text acts as an error validation message.
- */
- MDCTextFieldHelperTextFoundation.prototype.isValidation = function () {
- return this.adapter.hasClass(cssClasses.HELPER_TEXT_VALIDATION_MSG);
- };
- /**
- * @param isValidation True to make the helper text act as an error validation
- * message.
- */
- MDCTextFieldHelperTextFoundation.prototype.setValidation = function (isValidation) {
- if (isValidation) {
- this.adapter.addClass(cssClasses.HELPER_TEXT_VALIDATION_MSG);
- }
- else {
- this.adapter.removeClass(cssClasses.HELPER_TEXT_VALIDATION_MSG);
- }
- };
- /**
- * Makes the helper text visible to the screen reader.
- */
- MDCTextFieldHelperTextFoundation.prototype.showToScreenReader = function () {
- this.adapter.removeAttr(strings.ARIA_HIDDEN);
- };
- /**
- * Sets the validity of the helper text based on the input validity.
- */
- MDCTextFieldHelperTextFoundation.prototype.setValidity = function (inputIsValid) {
- var helperTextIsPersistent = this.adapter.hasClass(cssClasses.HELPER_TEXT_PERSISTENT);
- var helperTextIsValidationMsg = this.adapter.hasClass(cssClasses.HELPER_TEXT_VALIDATION_MSG);
- var validationMsgNeedsDisplay = helperTextIsValidationMsg && !inputIsValid;
- if (validationMsgNeedsDisplay) {
- this.showToScreenReader();
- // If role is already alert, refresh it to trigger another announcement
- // from screenreader.
- if (this.adapter.getAttr(strings.ROLE) === 'alert') {
- this.refreshAlertRole();
- }
- else {
- this.adapter.setAttr(strings.ROLE, 'alert');
- }
- }
- else {
- this.adapter.removeAttr(strings.ROLE);
- }
- if (!helperTextIsPersistent && !validationMsgNeedsDisplay) {
- this.hide();
- }
- };
- /**
- * Hides the help text from screen readers.
- */
- MDCTextFieldHelperTextFoundation.prototype.hide = function () {
- this.adapter.setAttr(strings.ARIA_HIDDEN, 'true');
- };
- MDCTextFieldHelperTextFoundation.prototype.refreshAlertRole = function () {
- var _this = this;
- this.adapter.removeAttr(strings.ROLE);
- requestAnimationFrame(function () {
- _this.adapter.setAttr(strings.ROLE, 'alert');
- });
- };
- return MDCTextFieldHelperTextFoundation;
- }(MDCFoundation));
- export { MDCTextFieldHelperTextFoundation };
- // tslint:disable-next-line:no-default-export Needed for backward compatibility with MDC Web v0.44.0 and earlier.
- export default MDCTextFieldHelperTextFoundation;
- //# sourceMappingURL=foundation.js.map
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