Added Polymer
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rpg-docs/public/bower_components/paper-tabs/paper-tabs.html
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rpg-docs/public/bower_components/paper-tabs/paper-tabs.html
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<!--
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Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<!--
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`paper-tabs` is a `core-selector` styled to look like tabs. Tabs make it easy to
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explore and switch between different views or functional aspects of an app, or
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to browse categorized data sets.
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Use `selected` property to get or set the selected tab.
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Example:
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<paper-tabs selected="0">
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<paper-tab>TAB 1</paper-tab>
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<paper-tab>TAB 2</paper-tab>
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<paper-tab>TAB 3</paper-tab>
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</paper-tabs>
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See <a href="#paper-tab">paper-tab</a> for more information about
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`paper-tab`.
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A common usage for `paper-tabs` is to use it along with `core-pages` to switch
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between different views.
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<paper-tabs selected="{{selected}}">
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<paper-tab>Tab 1</paper-tab>
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<paper-tab>Tab 2</paper-tab>
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<paper-tab>Tab 3</paper-tab>
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</paper-tabs>
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<core-pages selected="{{selected}}>
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<div>Page 1</div>
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<div>Page 2</div>
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<div>Page 3</div>
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</core-pages>
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`paper-tabs` adapt to mobile/narrow layout when there is a `core-narrow` class set
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on itself or any of its ancestors.
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To use links in tabs, add `link` attribute to `paper-tabs` and put an `<a>`
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element in `paper-tab`.
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Example:
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<paper-tabs selected="0" link>
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<paper-tab>
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<a href="#link1" horizontal center-center layout>TAB ONE</a>
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</paper-tab>
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<paper-tab>
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<a href="#link2" horizontal center-center layout>TAB TWO</a>
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</paper-tab>
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<paper-tab>
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<a href="#link3" horizontal center-center layout>TAB THREE</a>
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</paper-tab>
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</paper-tabs>
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Styling tabs:
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To change the sliding bar color:
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paper-tabs.pink::shadow #selectionBar {
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background-color: #ff4081;
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}
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To change the ink ripple color:
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paper-tabs.pink paper-tab::shadow #ink {
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color: #ff4081;
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}
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@group Paper Elements
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@element paper-tabs
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@extends core-selector
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@homepage github.io
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-->
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<link rel="import" href="../core-selector/core-selector.html">
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<link rel="import" href="../paper-icon-button/paper-icon-button.html">
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<link rel="import" href="paper-tab.html">
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<polymer-element name="paper-tabs" extends="core-selector" attributes="noink nobar noslide scrollable hideScrollButton" role="tablist" horizontal center layout>
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<template>
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<link rel="stylesheet" href="paper-tabs.css">
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<div class="scroll-button" hidden?="{{!scrollable || hideScrollButton}}">
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<paper-icon-button icon="chevron-left" class="{{ {hidden: leftHidden} | tokenList }}" on-down="{{holdLeft}}" on-up="{{releaseHold}}"></paper-icon-button>
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</div>
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<div id="tabsContainer" class="{{ {scrollable: scrollable} | tokenList }}" flex on-scroll="{{scroll}}" on-trackstart="{{trackStart}}">
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<div id="tabsContent" horizontal layout?="{{!scrollable}}">
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<shadow></shadow>
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<div id="selectionBar" hidden?="{{nobar}}" on-transitionend="{{barTransitionEnd}}"></div>
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</div>
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</div>
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<div class="scroll-button" hidden?="{{!scrollable || hideScrollButton}}">
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<paper-icon-button icon="chevron-right" class="{{ {hidden: rightHidden} | tokenList }}" on-down="{{holdRight}}" on-up="{{releaseHold}}"></paper-icon-button>
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</div>
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</template>
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<script>
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Polymer('paper-tabs', {
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/**
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* If true, ink ripple effect is disabled.
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*
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* @attribute noink
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* @type boolean
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* @default false
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*/
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noink: false,
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/**
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* If true, the bottom bar to indicate the selected tab will not be shown.
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*
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* @attribute nobar
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* @type boolean
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* @default false
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*/
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nobar: false,
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/**
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* If true, the slide effect for the bottom bar is disabled.
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*
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* @attribute noslide
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* @type boolean
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* @default false
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*/
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noslide: false,
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/**
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* If true, tabs are scrollable and the tab width is based on the label width.
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*
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* @attribute scrollable
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* @type boolean
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* @default false
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*/
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scrollable: false,
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/**
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* If true, dragging on the tabs to scroll is disabled.
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*
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* @attribute disableDrag
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* @type boolean
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* @default false
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*/
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disableDrag: false,
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/**
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* If true, scroll buttons (left/right arrow) will be hidden for scrollable tabs.
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*
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* @attribute hideScrollButton
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* @type boolean
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* @default false
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*/
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hideScrollButton: false,
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activateEvent: 'tap',
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step: 10,
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holdDelay: 10,
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ready: function() {
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this.super();
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this._trackxHandler = this.trackx.bind(this);
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Polymer.addEventListener(this.$.tabsContainer, 'trackx', this._trackxHandler);
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this._tabsObserver = new MutationObserver(this.updateBar.bind(this));
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},
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domReady: function() {
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this.async('scroll');
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this._tabsObserver.observe(this, {childList: true, subtree: true, characterData: true});
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},
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detached: function() {
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Polymer.removeEventListener(this.$.tabsContainer, 'trackx', this._trackxHandler);
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this._tabsObserver.disconnect();
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},
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trackStart: function(e) {
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if (!this.scrollable || this.disableDrag) {
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return;
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}
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var t = e.target;
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if (t && t.cancelRipple) {
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t.cancelRipple();
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}
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this._startx = this.$.tabsContainer.scrollLeft;
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e.preventTap();
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},
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trackx: function(e) {
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if (!this.scrollable || this.disableDrag) {
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return;
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}
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this.$.tabsContainer.scrollLeft = this._startx - e.dx;
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},
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scroll: function() {
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if (!this.scrollable) {
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return;
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}
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var tc = this.$.tabsContainer;
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var l = tc.scrollLeft;
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this.leftHidden = l === 0;
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this.rightHidden = l === (tc.scrollWidth - tc.clientWidth);
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},
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holdLeft: function() {
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this.holdJob = setInterval(this.scrollToLeft.bind(this), this.holdDelay);
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},
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holdRight: function() {
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this.holdJob = setInterval(this.scrollToRight.bind(this), this.holdDelay);
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},
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releaseHold: function() {
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clearInterval(this.holdJob);
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this.holdJob = null;
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},
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scrollToLeft: function() {
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this.$.tabsContainer.scrollLeft -= this.step;
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},
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scrollToRight: function() {
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this.$.tabsContainer.scrollLeft += this.step;
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},
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/**
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* Invoke this to update the size and position of the bottom bar. Usually
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* you only need to call this if the `paper-tabs` is initially hidden and
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* later becomes visible.
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*
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* @method updateBar
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*/
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updateBar: function() {
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this.async('selectedItemChanged');
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},
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selectedItemChanged: function(old) {
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var oldIndex = this.selectedIndex;
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this.super(arguments);
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var s = this.$.selectionBar.style;
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if (!this.selectedItem) {
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s.width = 0;
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s.left = 0;
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return;
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}
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var r = this.$.tabsContent.getBoundingClientRect();
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this._w = r.width;
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this._l = r.left;
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r = this.selectedItem.getBoundingClientRect();
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this._sw = r.width;
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this._sl = r.left;
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this._sOffsetLeft = this._sl - this._l;
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if (this.noslide || old == null) {
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this.positionBarForSelected();
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return;
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}
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var oldRect = old.getBoundingClientRect();
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var m = 5;
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this.$.selectionBar.classList.add('expand');
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if (oldIndex < this.selectedIndex) {
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s.width = this.calcPercent(this._sl + this._sw - oldRect.left) - m + '%';
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this._transitionCounter = 1;
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} else {
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s.width = this.calcPercent(oldRect.left + oldRect.width - this._sl) - m + '%';
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s.left = this.calcPercent(this._sOffsetLeft) + m + '%';
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this._transitionCounter = 2;
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}
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if (this.scrollable) {
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this.scrollToSelectedIfNeeded();
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}
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},
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scrollToSelectedIfNeeded: function() {
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var scrollLeft = this.$.tabsContainer.scrollLeft;
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// scroll to selected if needed
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if (this._sOffsetLeft + this._sw < scrollLeft ||
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this._sOffsetLeft - scrollLeft > this.$.tabsContainer.offsetWidth) {
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this.$.tabsContainer.scrollLeft = this._sOffsetLeft;
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}
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},
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positionBarForSelected: function() {
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var s = this.$.selectionBar.style;
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s.width = this.calcPercent(this._sw) + '%';
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s.left = this.calcPercent(this._sOffsetLeft) + '%';
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},
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calcPercent: function(w) {
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return 100 * w / this._w;
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},
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barTransitionEnd: function(e) {
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this._transitionCounter--;
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var cl = this.$.selectionBar.classList;
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if (cl.contains('expand') && !this._transitionCounter) {
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cl.remove('expand');
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cl.add('contract');
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this.positionBarForSelected();
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} else if (cl.contains('contract')) {
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cl.remove('contract');
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}
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}
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});
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</script>
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</polymer-element>
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