Project import generated by Copybara.
GitOrigin-RevId: 63746295f1a5ab5a619056791995793d65529e62
diff --git a/node_modules/material-design-lite/src/tabs/tabs.js b/node_modules/material-design-lite/src/tabs/tabs.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 Tabs MDL component.
+ * Implements MDL component design pattern defined at:
+ * https://github.com/jasonmayes/mdl-component-design-pattern
+ *
+ * @constructor
+ * @param {Element} element The element that will be upgraded.
+ */
+ var MaterialTabs = function MaterialTabs(element) {
+ // Stores the HTML element.
+ this.element_ = element;
+
+ // Initialize instance.
+ this.init();
+ };
+ window['MaterialTabs'] = MaterialTabs;
+
+ /**
+ * Store constants in one place so they can be updated easily.
+ *
+ * @enum {string}
+ * @private
+ */
+ MaterialTabs.prototype.Constant_ = {
+ // None at the moment.
+ };
+
+ /**
+ * 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
+ */
+ MaterialTabs.prototype.CssClasses_ = {
+ TAB_CLASS: 'mdl-tabs__tab',
+ PANEL_CLASS: 'mdl-tabs__panel',
+ ACTIVE_CLASS: 'is-active',
+ UPGRADED_CLASS: 'is-upgraded',
+
+ MDL_JS_RIPPLE_EFFECT: 'mdl-js-ripple-effect',
+ MDL_RIPPLE_CONTAINER: 'mdl-tabs__ripple-container',
+ MDL_RIPPLE: 'mdl-ripple',
+ MDL_JS_RIPPLE_EFFECT_IGNORE_EVENTS: 'mdl-js-ripple-effect--ignore-events'
+ };
+
+ /**
+ * Handle clicks to a tabs component
+ *
+ * @private
+ */
+ MaterialTabs.prototype.initTabs_ = function() {
+ if (this.element_.classList.contains(this.CssClasses_.MDL_JS_RIPPLE_EFFECT)) {
+ this.element_.classList.add(
+ this.CssClasses_.MDL_JS_RIPPLE_EFFECT_IGNORE_EVENTS);
+ }
+
+ // Select element tabs, document panels
+ this.tabs_ = this.element_.querySelectorAll('.' + this.CssClasses_.TAB_CLASS);
+ this.panels_ =
+ this.element_.querySelectorAll('.' + this.CssClasses_.PANEL_CLASS);
+
+ // Create new tabs for each tab element
+ for (var i = 0; i < this.tabs_.length; i++) {
+ new MaterialTab(this.tabs_[i], this);
+ }
+
+ this.element_.classList.add(this.CssClasses_.UPGRADED_CLASS);
+ };
+
+ /**
+ * Reset tab state, dropping active classes
+ *
+ * @private
+ */
+ MaterialTabs.prototype.resetTabState_ = function() {
+ for (var k = 0; k < this.tabs_.length; k++) {
+ this.tabs_[k].classList.remove(this.CssClasses_.ACTIVE_CLASS);
+ }
+ };
+
+ /**
+ * Reset panel state, droping active classes
+ *
+ * @private
+ */
+ MaterialTabs.prototype.resetPanelState_ = function() {
+ for (var j = 0; j < this.panels_.length; j++) {
+ this.panels_[j].classList.remove(this.CssClasses_.ACTIVE_CLASS);
+ }
+ };
+
+ /**
+ * Initialize element.
+ */
+ MaterialTabs.prototype.init = function() {
+ if (this.element_) {
+ this.initTabs_();
+ }
+ };
+
+ /**
+ * Constructor for an individual tab.
+ *
+ * @constructor
+ * @param {Element} tab The HTML element for the tab.
+ * @param {MaterialTabs} ctx The MaterialTabs object that owns the tab.
+ */
+ function MaterialTab(tab, ctx) {
+ if (tab) {
+ if (ctx.element_.classList.contains(ctx.CssClasses_.MDL_JS_RIPPLE_EFFECT)) {
+ var rippleContainer = document.createElement('span');
+ rippleContainer.classList.add(ctx.CssClasses_.MDL_RIPPLE_CONTAINER);
+ rippleContainer.classList.add(ctx.CssClasses_.MDL_JS_RIPPLE_EFFECT);
+ var ripple = document.createElement('span');
+ ripple.classList.add(ctx.CssClasses_.MDL_RIPPLE);
+ rippleContainer.appendChild(ripple);
+ tab.appendChild(rippleContainer);
+ }
+
+ tab.addEventListener('click', function(e) {
+ if (tab.getAttribute('href').charAt(0) === '#') {
+ e.preventDefault();
+ var href = tab.href.split('#')[1];
+ var panel = ctx.element_.querySelector('#' + href);
+ ctx.resetTabState_();
+ ctx.resetPanelState_();
+ tab.classList.add(ctx.CssClasses_.ACTIVE_CLASS);
+ panel.classList.add(ctx.CssClasses_.ACTIVE_CLASS);
+ }
+ });
+
+ }
+ }
+
+ // The component registers itself. It can assume componentHandler is available
+ // in the global scope.
+ componentHandler.register({
+ constructor: MaterialTabs,
+ classAsString: 'MaterialTabs',
+ cssClass: 'mdl-js-tabs'
+ });
+})();