Project import generated by Copybara.
GitOrigin-RevId: 63746295f1a5ab5a619056791995793d65529e62
diff --git a/node_modules/material-design-lite/src/radio/radio.js b/node_modules/material-design-lite/src/radio/radio.js
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+/**
+ * @license
+ * Copyright 2015 Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+(function() {
+ 'use strict';
+
+ /**
+ * Class constructor for Radio MDL component.
+ * Implements MDL component design pattern defined at:
+ * https://github.com/jasonmayes/mdl-component-design-pattern
+ *
+ * @constructor
+ * @param {HTMLElement} element The element that will be upgraded.
+ */
+ var MaterialRadio = function MaterialRadio(element) {
+ this.element_ = element;
+
+ // Initialize instance.
+ this.init();
+ };
+ window['MaterialRadio'] = MaterialRadio;
+
+ /**
+ * Store constants in one place so they can be updated easily.
+ *
+ * @enum {string | number}
+ * @private
+ */
+ MaterialRadio.prototype.Constant_ = {
+ TINY_TIMEOUT: 0.001
+ };
+
+ /**
+ * Store strings for class names defined by this component that are used in
+ * JavaScript. This allows us to simply change it in one place should we
+ * decide to modify at a later date.
+ *
+ * @enum {string}
+ * @private
+ */
+ MaterialRadio.prototype.CssClasses_ = {
+ IS_FOCUSED: 'is-focused',
+ IS_DISABLED: 'is-disabled',
+ IS_CHECKED: 'is-checked',
+ IS_UPGRADED: 'is-upgraded',
+ JS_RADIO: 'mdl-js-radio',
+ RADIO_BTN: 'mdl-radio__button',
+ RADIO_OUTER_CIRCLE: 'mdl-radio__outer-circle',
+ RADIO_INNER_CIRCLE: 'mdl-radio__inner-circle',
+ RIPPLE_EFFECT: 'mdl-js-ripple-effect',
+ RIPPLE_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events',
+ RIPPLE_CONTAINER: 'mdl-radio__ripple-container',
+ RIPPLE_CENTER: 'mdl-ripple--center',
+ RIPPLE: 'mdl-ripple'
+ };
+
+ /**
+ * Handle change of state.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialRadio.prototype.onChange_ = function(event) {
+ // Since other radio buttons don't get change events, we need to look for
+ // them to update their classes.
+ var radios = document.getElementsByClassName(this.CssClasses_.JS_RADIO);
+ for (var i = 0; i < radios.length; i++) {
+ var button = radios[i].querySelector('.' + this.CssClasses_.RADIO_BTN);
+ // Different name == different group, so no point updating those.
+ if (button.getAttribute('name') === this.btnElement_.getAttribute('name')) {
+ if (typeof radios[i]['MaterialRadio'] !== 'undefined') {
+ radios[i]['MaterialRadio'].updateClasses_();
+ }
+ }
+ }
+ };
+
+ /**
+ * Handle focus.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialRadio.prototype.onFocus_ = function(event) {
+ this.element_.classList.add(this.CssClasses_.IS_FOCUSED);
+ };
+
+ /**
+ * Handle lost focus.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialRadio.prototype.onBlur_ = function(event) {
+ this.element_.classList.remove(this.CssClasses_.IS_FOCUSED);
+ };
+
+ /**
+ * Handle mouseup.
+ *
+ * @param {Event} event The event that fired.
+ * @private
+ */
+ MaterialRadio.prototype.onMouseup_ = function(event) {
+ this.blur_();
+ };
+
+ /**
+ * Update classes.
+ *
+ * @private
+ */
+ MaterialRadio.prototype.updateClasses_ = function() {
+ this.checkDisabled();
+ this.checkToggleState();
+ };
+
+ /**
+ * Add blur.
+ *
+ * @private
+ */
+ MaterialRadio.prototype.blur_ = function() {
+
+ // TODO: figure out why there's a focus event being fired after our blur,
+ // so that we can avoid this hack.
+ window.setTimeout(function() {
+ this.btnElement_.blur();
+ }.bind(this), /** @type {number} */ (this.Constant_.TINY_TIMEOUT));
+ };
+
+ // Public methods.
+
+ /**
+ * Check the components disabled state.
+ *
+ * @public
+ */
+ MaterialRadio.prototype.checkDisabled = function() {
+ if (this.btnElement_.disabled) {
+ this.element_.classList.add(this.CssClasses_.IS_DISABLED);
+ } else {
+ this.element_.classList.remove(this.CssClasses_.IS_DISABLED);
+ }
+ };
+ MaterialRadio.prototype['checkDisabled'] =
+ MaterialRadio.prototype.checkDisabled;
+
+ /**
+ * Check the components toggled state.
+ *
+ * @public
+ */
+ MaterialRadio.prototype.checkToggleState = function() {
+ if (this.btnElement_.checked) {
+ this.element_.classList.add(this.CssClasses_.IS_CHECKED);
+ } else {
+ this.element_.classList.remove(this.CssClasses_.IS_CHECKED);
+ }
+ };
+ MaterialRadio.prototype['checkToggleState'] =
+ MaterialRadio.prototype.checkToggleState;
+
+ /**
+ * Disable radio.
+ *
+ * @public
+ */
+ MaterialRadio.prototype.disable = function() {
+ this.btnElement_.disabled = true;
+ this.updateClasses_();
+ };
+ MaterialRadio.prototype['disable'] = MaterialRadio.prototype.disable;
+
+ /**
+ * Enable radio.
+ *
+ * @public
+ */
+ MaterialRadio.prototype.enable = function() {
+ this.btnElement_.disabled = false;
+ this.updateClasses_();
+ };
+ MaterialRadio.prototype['enable'] = MaterialRadio.prototype.enable;
+
+ /**
+ * Check radio.
+ *
+ * @public
+ */
+ MaterialRadio.prototype.check = function() {
+ this.btnElement_.checked = true;
+ this.onChange_(null);
+ };
+ MaterialRadio.prototype['check'] = MaterialRadio.prototype.check;
+
+ /**
+ * Uncheck radio.
+ *
+ * @public
+ */
+ MaterialRadio.prototype.uncheck = function() {
+ this.btnElement_.checked = false;
+ this.onChange_(null);
+ };
+ MaterialRadio.prototype['uncheck'] = MaterialRadio.prototype.uncheck;
+
+ /**
+ * Initialize element.
+ */
+ MaterialRadio.prototype.init = function() {
+ if (this.element_) {
+ this.btnElement_ = this.element_.querySelector('.' +
+ this.CssClasses_.RADIO_BTN);
+
+ this.boundChangeHandler_ = this.onChange_.bind(this);
+ this.boundFocusHandler_ = this.onChange_.bind(this);
+ this.boundBlurHandler_ = this.onBlur_.bind(this);
+ this.boundMouseUpHandler_ = this.onMouseup_.bind(this);
+
+ var outerCircle = document.createElement('span');
+ outerCircle.classList.add(this.CssClasses_.RADIO_OUTER_CIRCLE);
+
+ var innerCircle = document.createElement('span');
+ innerCircle.classList.add(this.CssClasses_.RADIO_INNER_CIRCLE);
+
+ this.element_.appendChild(outerCircle);
+ this.element_.appendChild(innerCircle);
+
+ var rippleContainer;
+ if (this.element_.classList.contains(
+ this.CssClasses_.RIPPLE_EFFECT)) {
+ this.element_.classList.add(
+ this.CssClasses_.RIPPLE_IGNORE_EVENTS);
+ rippleContainer = document.createElement('span');
+ rippleContainer.classList.add(
+ this.CssClasses_.RIPPLE_CONTAINER);
+ rippleContainer.classList.add(this.CssClasses_.RIPPLE_EFFECT);
+ rippleContainer.classList.add(this.CssClasses_.RIPPLE_CENTER);
+ rippleContainer.addEventListener('mouseup', this.boundMouseUpHandler_);
+
+ var ripple = document.createElement('span');
+ ripple.classList.add(this.CssClasses_.RIPPLE);
+
+ rippleContainer.appendChild(ripple);
+ this.element_.appendChild(rippleContainer);
+ }
+
+ this.btnElement_.addEventListener('change', this.boundChangeHandler_);
+ this.btnElement_.addEventListener('focus', this.boundFocusHandler_);
+ this.btnElement_.addEventListener('blur', this.boundBlurHandler_);
+ this.element_.addEventListener('mouseup', this.boundMouseUpHandler_);
+
+ this.updateClasses_();
+ this.element_.classList.add(this.CssClasses_.IS_UPGRADED);
+ }
+ };
+
+ // The component registers itself. It can assume componentHandler is available
+ // in the global scope.
+ componentHandler.register({
+ constructor: MaterialRadio,
+ classAsString: 'MaterialRadio',
+ cssClass: 'mdl-js-radio',
+ widget: true
+ });
+})();