mirror of
https://github.com/jellyfin/jellyfin-web.git
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487 lines
12 KiB
HTML
487 lines
12 KiB
HTML
<!--
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@license
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Copyright (c) 2015 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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<link rel="import" href="../polymer/polymer.html">
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<link rel="import" href="../iron-flex-layout/iron-flex-layout.html">
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<link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html">
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<link rel="import" href="../iron-resizable-behavior/iron-resizable-behavior.html">
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<link rel="import" href="../iron-menu-behavior/iron-menubar-behavior.html">
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<link rel="import" href="../iron-icon/iron-icon.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-styles/color.html">
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<link rel="import" href="paper-tabs-icons.html">
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<link rel="import" href="paper-tab.html">
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<!--
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`paper-tabs` makes it easy to explore and switch between different views or functional aspects of
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an app, or 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 `iron-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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<iron-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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</iron-pages>
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To use links in tabs, add `link` attribute to `paper-tab` 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">
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<paper-tab link>
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<a href="#link1" class="horizontal center-center layout">TAB ONE</a>
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</paper-tab>
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<paper-tab link>
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<a href="#link2" class="horizontal center-center layout">TAB TWO</a>
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</paper-tab>
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<paper-tab link>
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<a href="#link3" class="horizontal center-center layout">TAB THREE</a>
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</paper-tab>
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</paper-tabs>
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### Styling
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The following custom properties and mixins are available for styling:
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Custom property | Description | Default
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----------------|-------------|----------
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`--paper-tabs-selection-bar-color` | Color for the selection bar | `--paper-yellow-a100`
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`--paper-tabs` | Mixin applied to the tabs | `{}`
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@hero hero.svg
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@demo demo/index.html
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-->
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<dom-module id="paper-tabs">
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<style>
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:host {
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@apply(--layout);
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@apply(--layout-center);
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height: 48px;
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font-size: 14px;
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font-weight: 500;
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overflow: hidden;
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-webkit-user-select: none;
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-moz-user-select: none;
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-ms-user-select: none;
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user-select: none;
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-webkit-tap-highlight-color: rgba(0,0,0,0);
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@apply(--paper-tabs);
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}
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#tabsContainer {
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position: relative;
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height: 100%;
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white-space: nowrap;
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overflow: hidden;
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}
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#tabsContent {
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height: 100%;
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}
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#tabsContent.scrollable {
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position: absolute;
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white-space: nowrap;
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}
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.hidden {
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display: none;
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}
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.not-visible {
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opacity: 0;
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}
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paper-icon-button {
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width: 24px;
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padding: 16px;
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}
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#selectionBar {
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position: absolute;
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height: 2px;
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bottom: 0;
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left: 0;
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right: 0;
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background-color: var(--paper-tabs-selection-bar-color, --paper-yellow-a100);
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-webkit-transform-origin: left center;
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transform-origin: left center;
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-webkit-transform: scale(0);
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transform: scale(0);
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transition: -webkit-transform;
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transition: transform;
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@apply(--paper-tabs-selection-bar);
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}
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#selectionBar.align-bottom {
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top: 0;
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bottom: auto;
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}
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#selectionBar.expand {
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transition-duration: 0.15s;
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transition-timing-function: cubic-bezier(0.4, 0.0, 1, 1);
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}
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#selectionBar.contract {
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transition-duration: 0.18s;
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transition-timing-function: cubic-bezier(0.0, 0.0, 0.2, 1);
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}
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#tabsContent > ::content > *:not(#selectionBar) {
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height: 100%;
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}
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</style>
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<template>
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<paper-icon-button icon="paper-tabs:chevron-left" class$="[[_computeScrollButtonClass(_leftHidden, scrollable, hideScrollButtons)]]" on-up="_onScrollButtonUp" on-down="_onLeftScrollButtonDown"></paper-icon-button>
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<div id="tabsContainer" class="flex" on-scroll="_scroll">
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<div id="tabsContent" class$="[[_computeTabsContentClass(scrollable)]]">
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<content select="*"></content>
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<div id="selectionBar" class$="[[_computeSelectionBarClass(noBar, alignBottom)]]"
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on-transitionend="_onBarTransitionEnd"></div>
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</div>
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</div>
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<paper-icon-button icon="paper-tabs:chevron-right" class$="[[_computeScrollButtonClass(_rightHidden, scrollable, hideScrollButtons)]]" on-up="_onScrollButtonUp" on-down="_onRightScrollButtonDown"></paper-icon-button>
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</template>
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</dom-module>
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<script>
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Polymer({
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is: 'paper-tabs',
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behaviors: [
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Polymer.IronResizableBehavior,
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Polymer.IronMenubarBehavior
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],
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properties: {
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/**
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* If true, ink ripple effect is disabled.
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*/
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noink: {
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type: Boolean,
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value: false
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},
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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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noBar: {
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type: Boolean,
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value: false
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},
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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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noSlide: {
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type: Boolean,
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value: false
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},
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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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scrollable: {
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type: Boolean,
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value: false
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},
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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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disableDrag: {
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type: Boolean,
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value: false
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},
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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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hideScrollButtons: {
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type: Boolean,
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value: false
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},
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/**
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* If true, the tabs are aligned to bottom (the selection bar appears at the top).
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*/
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alignBottom: {
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type: Boolean,
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value: false
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},
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/**
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* Gets or sets the selected element. The default is to use the index of the item.
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*/
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selected: {
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type: String,
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notify: true
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},
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selectable: {
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type: String,
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value: 'paper-tab'
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},
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_step: {
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type: Number,
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value: 10
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},
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_holdDelay: {
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type: Number,
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value: 1
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},
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_leftHidden: {
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type: Boolean,
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value: false
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},
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_rightHidden: {
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type: Boolean,
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value: false
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},
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_previousTab: {
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type: Object
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}
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},
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hostAttributes: {
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role: 'tablist'
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},
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listeners: {
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'iron-resize': '_onResize',
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'iron-select': '_onIronSelect',
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'iron-deselect': '_onIronDeselect'
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},
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_computeScrollButtonClass: function(hideThisButton, scrollable, hideScrollButtons) {
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if (!scrollable || hideScrollButtons) {
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return 'hidden';
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}
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if (hideThisButton) {
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return 'not-visible';
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}
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return '';
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},
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_computeTabsContentClass: function(scrollable) {
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return scrollable ? 'scrollable' : 'horizontal layout';
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},
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_computeSelectionBarClass: function(noBar, alignBottom) {
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if (noBar) {
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return 'hidden';
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} else if (alignBottom) {
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return 'align-bottom';
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}
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},
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// TODO(cdata): Add `track` response back in when gesture lands.
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_onResize: function() {
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this.debounce('_onResize', function() {
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this._scroll();
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this._tabChanged(this.selectedItem);
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}, 10);
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},
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_onIronSelect: function(event) {
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this._tabChanged(event.detail.item, this._previousTab);
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this._previousTab = event.detail.item;
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this.cancelDebouncer('tab-changed');
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},
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_onIronDeselect: function(event) {
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this.debounce('tab-changed', function() {
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this._tabChanged(null, this._previousTab);
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// See polymer/polymer#1305
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}, 1);
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},
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get _tabContainerScrollSize () {
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return Math.max(
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0,
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this.$.tabsContainer.scrollWidth -
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this.$.tabsContainer.offsetWidth
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);
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},
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_scroll: function() {
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var scrollLeft;
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if (!this.scrollable) {
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return;
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}
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scrollLeft = this.$.tabsContainer.scrollLeft;
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this._leftHidden = scrollLeft === 0;
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this._rightHidden = scrollLeft === this._tabContainerScrollSize;
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},
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_onLeftScrollButtonDown: function() {
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this._holdJob = setInterval(this._scrollToLeft.bind(this), this._holdDelay);
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},
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_onRightScrollButtonDown: function() {
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this._holdJob = setInterval(this._scrollToRight.bind(this), this._holdDelay);
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},
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_onScrollButtonUp: function() {
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clearInterval(this._holdJob);
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this._holdJob = null;
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},
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_scrollToLeft: function() {
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this.$.tabsContainer.scrollLeft -= this._step;
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},
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_scrollToRight: function() {
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this.$.tabsContainer.scrollLeft += this._step;
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},
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_tabChanged: function(tab, old) {
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if (!tab) {
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this._positionBar(0, 0);
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return;
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}
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var r = this.$.tabsContent.getBoundingClientRect();
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var w = r.width;
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var tabRect = tab.getBoundingClientRect();
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var tabOffsetLeft = tabRect.left - r.left;
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this._pos = {
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width: this._calcPercent(tabRect.width, w),
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left: this._calcPercent(tabOffsetLeft, w)
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};
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if (this.noSlide || old == null) {
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// position bar directly without animation
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this._positionBar(this._pos.width, this._pos.left);
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return;
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}
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var oldRect = old.getBoundingClientRect();
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var oldIndex = this.items.indexOf(old);
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var index = this.items.indexOf(tab);
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var m = 5;
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// bar animation: expand
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this.$.selectionBar.classList.add('expand');
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if (oldIndex < index) {
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this._positionBar(this._calcPercent(tabRect.left + tabRect.width - oldRect.left, w) - m,
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this._left);
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} else {
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this._positionBar(this._calcPercent(oldRect.left + oldRect.width - tabRect.left, w) - m,
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this._calcPercent(tabOffsetLeft, w) + m);
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}
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if (this.scrollable) {
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this._scrollToSelectedIfNeeded(tabRect.width, tabOffsetLeft);
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}
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},
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_scrollToSelectedIfNeeded: function(tabWidth, tabOffsetLeft) {
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var l = tabOffsetLeft - this.$.tabsContainer.scrollLeft;
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if (l < 0) {
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this.$.tabsContainer.scrollLeft += l;
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} else {
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l += (tabWidth - this.$.tabsContainer.offsetWidth);
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if (l > 0) {
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this.$.tabsContainer.scrollLeft += l;
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}
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}
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},
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_calcPercent: function(w, w0) {
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return 100 * w / w0;
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},
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_positionBar: function(width, left) {
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width = width || 0;
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left = left || 0;
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this._width = width;
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this._left = left;
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this.transform(
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'translate3d(' + left + '%, 0, 0) scaleX(' + (width / 100) + ')',
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this.$.selectionBar);
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},
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_onBarTransitionEnd: function(e) {
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var cl = this.$.selectionBar.classList;
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// bar animation: expand -> contract
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if (cl.contains('expand')) {
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cl.remove('expand');
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cl.add('contract');
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this._positionBar(this._pos.width, this._pos.left);
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// bar animation done
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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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