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